From patchwork Fri Mar 31 08:34:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669307 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5983BC76196 for ; Fri, 31 Mar 2023 08:34:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230487AbjCaIev (ORCPT ); Fri, 31 Mar 2023 04:34:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229448AbjCaIeu (ORCPT ); Fri, 31 Mar 2023 04:34:50 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6435EC646 for ; Fri, 31 Mar 2023 01:34:47 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id r11so21576716wrr.12 for ; Fri, 31 Mar 2023 01:34:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251686; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Sf6KyOp54IZ6KSki6wgUoMQZzYRETdVFViOkVQG+I2Q=; b=pxuNHKP9pTA2uPyUlGV2el6dG9WO+DEln06OwoMJNNmHWyxQyuReSIC0yzUq9aLY4z Tz/vT7gxzty9OXiJ2qToPfC2g4lsxEGsuUmll8XlEDt7qaqUfRr8lKR0nGmDFlBFKdup 6M2A/RzgHexyBEjgeH+9tRFfGs+HXcMAvqShjY5/JwIsarv7xNs7ZAxK2V+ZhoecYpy/ Cmtsa8aJL1iwVsspjpFL0aXVYqLQuqgoUH/FZPNtRV2LKOh6UcRmMU2owOzSyGEeCHy1 BnXnI7Y1Hi3k3zp8Hlsdr5alR7QWzGsblNyGFIqv50cSDXee45odwyHmt9RYiMPBi76a AiRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251686; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Sf6KyOp54IZ6KSki6wgUoMQZzYRETdVFViOkVQG+I2Q=; b=YWFmY9LjAzBfXuBDaC9Eg2H334dbp6drF4mUFVTB+IgXwhvWbL02cE0gSQhU5ArPuw lGuwx2Yk1vo/U91CVftTiPjFrYHT1TptIkAB7UJrblW2tDKEB+lwFb+m/iqdI9O3ZBjU t1WzF29JChGmx2CIv+8OP1N/DQwhJIIaONCCF+cwAoaMa92UNYiOb2v3Q40IhA1QchSd NUJqkr4ZUCdTbMqYdwlOTwRxHF/ZfLS+DChJSpQ5a/msfAReJA4OEDjoW4I4nTn75o16 QQAYrSYVaSwpZCy7oh902TSV2//vgnPfbKxaudvbfjMm1SvniJPup5QTfq2IE0s/B0uY MJ0Q== X-Gm-Message-State: AAQBX9dyLsoJ0EJWkigY4HZLR6WIf10lFnEjbMJzAIRVLp22oc/nm9TI RrEHeUH+fvySRAe/OzNLSDPtKg== X-Google-Smtp-Source: AKy350aCFp/HQTIUTPb6zGhAuez2F1qrUha31MEPEF5VgeB0rGs8iPAwkIAQ6PGDHLOf1ZWFy48VDQ== X-Received: by 2002:a5d:4b47:0:b0:2d7:9d46:37ff with SMTP id w7-20020a5d4b47000000b002d79d4637ffmr20098527wrs.39.1680251685611; Fri, 31 Mar 2023 01:34:45 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.34.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:34:45 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:39 +0200 Subject: [PATCH RFC 01/20] ARM: dts: oxnas: remove obsolete device tree files MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-1-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 devices. Signed-off-by: Neil Armstrong --- arch/arm/boot/dts/Makefile | 3 - arch/arm/boot/dts/ox810se-wd-mbwe.dts | 115 ------- arch/arm/boot/dts/ox810se.dtsi | 357 --------------------- .../dts/ox820-cloudengines-pogoplug-series-3.dts | 93 ------ arch/arm/boot/dts/ox820.dtsi | 299 ----------------- 5 files changed, 867 deletions(-) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index efe4152e5846..ad83faecfdc6 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1033,9 +1033,6 @@ dtb-$(CONFIG_ARCH_PXA) += \ pxa300-raumfeld-speaker-m.dtb \ pxa300-raumfeld-speaker-one.dtb \ pxa300-raumfeld-speaker-s.dtb -dtb-$(CONFIG_ARCH_OXNAS) += \ - ox810se-wd-mbwe.dtb \ - ox820-cloudengines-pogoplug-series-3.dtb dtb-$(CONFIG_ARCH_QCOM) += \ qcom-apq8016-sbc.dtb \ qcom-apq8026-asus-sparrow.dtb \ diff --git a/arch/arm/boot/dts/ox810se-wd-mbwe.dts b/arch/arm/boot/dts/ox810se-wd-mbwe.dts deleted file mode 100644 index c59e06ff2423..000000000000 --- a/arch/arm/boot/dts/ox810se-wd-mbwe.dts +++ /dev/null @@ -1,115 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * wd-mbwe.dtsi - Device tree file for Western Digital My Book World Edition - * - * Copyright (C) 2016 Neil Armstrong - */ - -/dts-v1/; -#include "ox810se.dtsi" - -/ { - model = "Western Digital My Book World Edition"; - - compatible = "wd,mbwe", "oxsemi,ox810se"; - - chosen { - bootargs = "console=ttyS1,115200n8 earlyprintk=serial"; - }; - - memory { - /* 128Mbytes DDR */ - reg = <0x48000000 0x8000000>; - }; - - aliases { - serial1 = &uart1; - gpio0 = &gpio0; - gpio1 = &gpio1; - }; - - gpio-keys-polled { - compatible = "gpio-keys-polled"; - #address-cells = <1>; - #size-cells = <0>; - poll-interval = <100>; - - power { - label = "power"; - gpios = <&gpio0 0 1>; - linux,code = <0x198>; - }; - - recovery { - label = "recovery"; - gpios = <&gpio0 4 1>; - linux,code = <0xab>; - }; - }; - - leds { - compatible = "gpio-leds"; - - a0 { - label = "activity0"; - gpios = <&gpio0 25 0>; - default-state = "keep"; - }; - - a1 { - label = "activity1"; - gpios = <&gpio0 26 0>; - default-state = "keep"; - }; - - a2 { - label = "activity2"; - gpios = <&gpio0 5 0>; - default-state = "keep"; - }; - - a3 { - label = "activity3"; - gpios = <&gpio0 6 0>; - default-state = "keep"; - }; - - a4 { - label = "activity4"; - gpios = <&gpio0 7 0>; - default-state = "keep"; - }; - - a5 { - label = "activity5"; - gpios = <&gpio1 2 0>; - default-state = "keep"; - }; - }; - - i2c-gpio { - compatible = "i2c-gpio"; - gpios = <&gpio0 3 0 /* sda */ - &gpio0 2 0 /* scl */ - >; - i2c-gpio,delay-us = <2>; /* ~100 kHz */ - #address-cells = <1>; - #size-cells = <0>; - - rtc0: rtc@48 { - compatible = "st,m41t00"; - reg = <0x68>; - }; - }; -}; - -ða { - status = "okay"; -}; - -&uart1 { - status = "okay"; - - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart1>; -}; diff --git a/arch/arm/boot/dts/ox810se.dtsi b/arch/arm/boot/dts/ox810se.dtsi deleted file mode 100644 index 96c0745f7b70..000000000000 --- a/arch/arm/boot/dts/ox810se.dtsi +++ /dev/null @@ -1,357 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * ox810se.dtsi - Device tree file for Oxford Semiconductor OX810SE SoC - * - * Copyright (C) 2016 Neil Armstrong - */ - -#include -#include - -/ { - #address-cells = <1>; - #size-cells = <1>; - compatible = "oxsemi,ox810se"; - - cpus { - #address-cells = <0>; - #size-cells = <0>; - - cpu { - device_type = "cpu"; - compatible = "arm,arm926ej-s"; - clocks = <&armclk>; - }; - }; - - memory { - device_type = "memory"; - /* Max 256MB @ 0x48000000 */ - reg = <0x48000000 0x10000000>; - }; - - clocks { - osc: oscillator { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <25000000>; - }; - - gmacclk: gmacclk { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <125000000>; - }; - - rpsclk: rpsclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <1>; - clocks = <&osc>; - }; - - pll400: pll400 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <733333333>; - }; - - sysclk: sysclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <4>; - clock-mult = <1>; - clocks = <&pll400>; - }; - - armclk: armclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <2>; - clock-mult = <1>; - clocks = <&pll400>; - }; - }; - - soc { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges; - interrupt-parent = <&intc>; - - etha: ethernet@40400000 { - compatible = "oxsemi,ox810se-dwmac", "snps,dwmac"; - reg = <0x40400000 0x2000>; - interrupts = <8>; - interrupt-names = "macirq"; - mac-address = [000000000000]; /* Filled in by U-Boot */ - phy-mode = "rgmii"; - - clocks = <&stdclk 6>, <&gmacclk>; - clock-names = "gmac", "stmmaceth"; - resets = <&reset 6>; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - - status = "disabled"; - }; - - apb-bridge@44000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x44000000 0x1000000>; - - pinctrl: pinctrl { - compatible = "oxsemi,ox810se-pinctrl"; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - - pinctrl_uart0: uart0 { - uart0a { - pins = "gpio31"; - function = "fct3"; - }; - uart0b { - pins = "gpio32"; - function = "fct3"; - }; - }; - - pinctrl_uart0_modem: uart0_modem { - uart0c { - pins = "gpio27"; - function = "fct3"; - }; - uart0d { - pins = "gpio28"; - function = "fct3"; - }; - uart0e { - pins = "gpio29"; - function = "fct3"; - }; - uart0f { - pins = "gpio30"; - function = "fct3"; - }; - uart0g { - pins = "gpio33"; - function = "fct3"; - }; - uart0h { - pins = "gpio34"; - function = "fct3"; - }; - }; - - pinctrl_uart1: uart1 { - uart1a { - pins = "gpio20"; - function = "fct3"; - }; - uart1b { - pins = "gpio22"; - function = "fct3"; - }; - }; - - pinctrl_uart1_modem: uart1_modem { - uart1c { - pins = "gpio8"; - function = "fct3"; - }; - uart1d { - pins = "gpio9"; - function = "fct3"; - }; - uart1e { - pins = "gpio23"; - function = "fct3"; - }; - uart1f { - pins = "gpio24"; - function = "fct3"; - }; - uart1g { - pins = "gpio25"; - function = "fct3"; - }; - uart1h { - pins = "gpio26"; - function = "fct3"; - }; - }; - - pinctrl_uart2: uart2 { - uart2a { - pins = "gpio6"; - function = "fct3"; - }; - uart2b { - pins = "gpio7"; - function = "fct3"; - }; - }; - - pinctrl_uart2_modem: uart2_modem { - uart2c { - pins = "gpio0"; - function = "fct3"; - }; - uart2d { - pins = "gpio1"; - function = "fct3"; - }; - uart2e { - pins = "gpio2"; - function = "fct3"; - }; - uart2f { - pins = "gpio3"; - function = "fct3"; - }; - uart2g { - pins = "gpio4"; - function = "fct3"; - }; - uart2h { - pins = "gpio5"; - function = "fct3"; - }; - }; - }; - - gpio0: gpio@0 { - compatible = "oxsemi,ox810se-gpio"; - reg = <0x000000 0x100000>; - interrupts = <21>; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - ngpios = <32>; - oxsemi,gpio-bank = <0>; - gpio-ranges = <&pinctrl 0 0 32>; - }; - - gpio1: gpio@100000 { - compatible = "oxsemi,ox810se-gpio"; - reg = <0x100000 0x100000>; - interrupts = <22>; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - ngpios = <3>; - oxsemi,gpio-bank = <1>; - gpio-ranges = <&pinctrl 0 32 3>; - }; - - uart0: serial@200000 { - compatible = "ns16550a"; - reg = <0x200000 0x100000>; - clocks = <&sysclk>; - interrupts = <23>; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - resets = <&reset RESET_UART1>; - }; - - uart1: serial@300000 { - compatible = "ns16550a"; - reg = <0x300000 0x100000>; - clocks = <&sysclk>; - interrupts = <24>; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - resets = <&reset RESET_UART2>; - }; - - uart2: serial@900000 { - compatible = "ns16550a"; - reg = <0x900000 0x100000>; - clocks = <&sysclk>; - interrupts = <29>; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - resets = <&reset RESET_UART3>; - }; - - uart3: serial@a00000 { - compatible = "ns16550a"; - reg = <0xa00000 0x100000>; - clocks = <&sysclk>; - interrupts = <30>; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - resets = <&reset RESET_UART4>; - }; - }; - - apb-bridge@45000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x45000000 0x1000000>; - - sys: sys-ctrl@0 { - compatible = "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd"; - reg = <0x000000 0x100000>; - - reset: reset-controller { - compatible = "oxsemi,ox810se-reset"; - #reset-cells = <1>; - }; - - stdclk: stdclk { - compatible = "oxsemi,ox810se-stdclk"; - #clock-cells = <1>; - }; - }; - - rps@300000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x300000 0x100000>; - - intc: interrupt-controller@0 { - compatible = "oxsemi,ox810se-rps-irq"; - interrupt-controller; - reg = <0 0x200>; - #interrupt-cells = <1>; - valid-mask = <0xffffffff>; - clear-mask = <0xffffffff>; - }; - - timer0: timer@200 { - compatible = "oxsemi,ox810se-rps-timer"; - reg = <0x200 0x40>; - clocks = <&rpsclk>; - interrupts = <4 5>; - }; - }; - }; - }; -}; diff --git a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts b/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts deleted file mode 100644 index c3daceccde55..000000000000 --- a/arch/arm/boot/dts/ox820-cloudengines-pogoplug-series-3.dts +++ /dev/null @@ -1,93 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3 - * - * Copyright (C) 2016 Neil Armstrong - */ - -/dts-v1/; -#include "ox820.dtsi" - -/ { - model = "Cloud Engines PogoPlug Series 3"; - - compatible = "cloudengines,pogoplugv3", "oxsemi,ox820"; - - chosen { - bootargs = "earlyprintk"; - stdout-path = "serial0:115200n8"; - }; - - memory { - /* 128Mbytes DDR */ - reg = <0x60000000 0x8000000>; - }; - - aliases { - serial0 = &uart0; - gpio0 = &gpio0; - gpio1 = &gpio1; - }; - - leds { - compatible = "gpio-leds"; - - blue { - label = "pogoplug:blue"; - gpios = <&gpio0 2 0>; - default-state = "keep"; - }; - - orange { - label = "pogoplug:orange"; - gpios = <&gpio1 16 1>; - default-state = "keep"; - }; - - green { - label = "pogoplug:green"; - gpios = <&gpio1 17 1>; - default-state = "keep"; - }; - }; -}; - -&uart0 { - status = "okay"; - - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart0>; -}; - -&nandc { - status = "okay"; - - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_nand>; - - nand@0 { - reg = <0>; - #address-cells = <1>; - #size-cells = <1>; - nand-ecc-mode = "soft"; - nand-ecc-algo = "hamming"; - - partition@0 { - label = "boot"; - reg = <0x00000000 0x00e00000>; - read-only; - }; - - partition@e00000 { - label = "ubi"; - reg = <0x00e00000 0x07200000>; - }; - }; -}; - -ða { - status = "okay"; - - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_etha_mdio>; -}; diff --git a/arch/arm/boot/dts/ox820.dtsi b/arch/arm/boot/dts/ox820.dtsi deleted file mode 100644 index dde4364892bf..000000000000 --- a/arch/arm/boot/dts/ox820.dtsi +++ /dev/null @@ -1,299 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * ox820.dtsi - Device tree file for Oxford Semiconductor OX820 SoC - * - * Copyright (C) 2016 Neil Armstrong - */ - -#include -#include -#include - -/ { - #address-cells = <1>; - #size-cells = <1>; - compatible = "oxsemi,ox820"; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - enable-method = "oxsemi,ox820-smp"; - - cpu@0 { - device_type = "cpu"; - compatible = "arm,arm11mpcore"; - clocks = <&armclk>; - reg = <0>; - }; - - cpu@1 { - device_type = "cpu"; - compatible = "arm,arm11mpcore"; - clocks = <&armclk>; - reg = <1>; - }; - }; - - memory { - device_type = "memory"; - /* Max 512MB @ 0x60000000 */ - reg = <0x60000000 0x20000000>; - }; - - clocks { - osc: oscillator { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <25000000>; - }; - - gmacclk: gmacclk { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <125000000>; - }; - - sysclk: sysclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <4>; - clock-mult = <1>; - clocks = <&osc>; - }; - - plla: plla { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <850000000>; - }; - - armclk: armclk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <2>; - clock-mult = <1>; - clocks = <&plla>; - }; - }; - - soc { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges; - interrupt-parent = <&gic>; - - nandc: nand-controller@41000000 { - compatible = "oxsemi,ox820-nand"; - reg = <0x41000000 0x100000>; - clocks = <&stdclk CLK_820_NAND>; - resets = <&reset RESET_NAND>; - #address-cells = <1>; - #size-cells = <0>; - status = "disabled"; - }; - - etha: ethernet@40400000 { - compatible = "oxsemi,ox820-dwmac", "snps,dwmac"; - reg = <0x40400000 0x2000>; - interrupts = , - ; - interrupt-names = "macirq", "eth_wake_irq"; - mac-address = [000000000000]; /* Filled in by U-Boot */ - phy-mode = "rgmii"; - - clocks = <&stdclk CLK_820_ETHA>, <&gmacclk>; - clock-names = "gmac", "stmmaceth"; - resets = <&reset RESET_MAC>; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - - status = "disabled"; - }; - - apb-bridge@44000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x44000000 0x1000000>; - - pinctrl: pinctrl { - compatible = "oxsemi,ox820-pinctrl"; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - - pinctrl_uart0: uart0 { - uart0 { - pins = "gpio30", "gpio31"; - function = "fct5"; - }; - }; - - pinctrl_uart0_modem: uart0_modem { - uart0_modem_a { - pins = "gpio24", "gpio24", "gpio26", "gpio27"; - function = "fct4"; - }; - uart0_modem_b { - pins = "gpio28", "gpio29"; - function = "fct5"; - }; - }; - - pinctrl_uart1: uart1 { - uart1 { - pins = "gpio7", "gpio8"; - function = "fct4"; - }; - }; - - pinctrl_uart1_modem: uart1_modem { - uart1_modem { - pins = "gpio5", "gpio6", "gpio40", "gpio41", "gpio42", "gpio43"; - function = "fct4"; - }; - }; - - pinctrl_etha_mdio: etha_mdio { - etha_mdio { - pins = "gpio3", "gpio4"; - function = "fct1"; - }; - }; - - pinctrl_nand: nand { - nand { - pins = "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24"; - function = "fct1"; - }; - }; - }; - - gpio0: gpio@0 { - compatible = "oxsemi,ox820-gpio"; - reg = <0x000000 0x100000>; - interrupts = ; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - ngpios = <32>; - oxsemi,gpio-bank = <0>; - gpio-ranges = <&pinctrl 0 0 32>; - }; - - gpio1: gpio@100000 { - compatible = "oxsemi,ox820-gpio"; - reg = <0x100000 0x100000>; - interrupts = ; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - ngpios = <18>; - oxsemi,gpio-bank = <1>; - gpio-ranges = <&pinctrl 0 32 18>; - }; - - uart0: serial@200000 { - compatible = "ns16550a"; - reg = <0x200000 0x100000>; - interrupts = ; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - clocks = <&sysclk>; - resets = <&reset RESET_UART1>; - }; - - uart1: serial@300000 { - compatible = "ns16550a"; - reg = <0x200000 0x100000>; - interrupts = ; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - status = "disabled"; - clocks = <&sysclk>; - resets = <&reset RESET_UART2>; - }; - - rps@400000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x400000 0x100000>; - - intc: interrupt-controller@0 { - compatible = "oxsemi,ox820-rps-irq", "oxsemi,ox810se-rps-irq"; - interrupt-controller; - reg = <0 0x200>; - interrupts = ; - #interrupt-cells = <1>; - valid-mask = <0xffffffff>; - clear-mask = <0xffffffff>; - }; - - timer0: timer@200 { - compatible = "oxsemi,ox820-rps-timer"; - reg = <0x200 0x40>; - clocks = <&sysclk>; - interrupt-parent = <&intc>; - interrupts = <4>; - }; - }; - - sys: sys-ctrl@e00000 { - compatible = "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd"; - reg = <0xe00000 0x200000>; - - reset: reset-controller { - compatible = "oxsemi,ox820-reset", "oxsemi,ox810se-reset"; - #reset-cells = <1>; - }; - - stdclk: stdclk { - compatible = "oxsemi,ox820-stdclk", "oxsemi,ox810se-stdclk"; - #clock-cells = <1>; - }; - }; - }; - - apb-bridge@47000000 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "simple-bus"; - ranges = <0 0x47000000 0x1000000>; - - scu: scu@0 { - compatible = "arm,arm11mp-scu"; - reg = <0x0 0x100>; - }; - - local-timer@600 { - compatible = "arm,arm11mp-twd-timer"; - reg = <0x600 0x20>; - interrupts = ; - clocks = <&armclk>; - }; - - gic: interrupt-controller@1000 { - compatible = "arm,arm11mp-gic"; - interrupt-controller; - #interrupt-cells = <3>; - reg = <0x1000 0x1000>, - <0x100 0x500>; - }; - }; - }; -}; From patchwork Fri Mar 31 08:34:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669914 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C133EC77B6F for ; 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Fri, 31 Mar 2023 01:34:46 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:40 +0200 Subject: [PATCH RFC 02/20] ARM: oxnas: remove OXNAS support MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-2-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 ARM support. Signed-off-by: Neil Armstrong --- arch/arm/Makefile | 1 - arch/arm/mach-oxnas/Kconfig | 34 ---------------------------------- arch/arm/mach-oxnas/Makefile | 1 - 3 files changed, 36 deletions(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 485a439e22ca..547e5856eaa0 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -203,7 +203,6 @@ machine-$(CONFIG_ARCH_MSTARV7) += mstar machine-$(CONFIG_ARCH_NOMADIK) += nomadik machine-$(CONFIG_ARCH_NPCM) += npcm machine-$(CONFIG_ARCH_NSPIRE) += nspire -machine-$(CONFIG_ARCH_OXNAS) += oxnas machine-$(CONFIG_ARCH_OMAP1) += omap1 machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 machine-$(CONFIG_ARCH_ORION5X) += orion5x diff --git a/arch/arm/mach-oxnas/Kconfig b/arch/arm/mach-oxnas/Kconfig deleted file mode 100644 index a054235c3d6c..000000000000 --- a/arch/arm/mach-oxnas/Kconfig +++ /dev/null @@ -1,34 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -menuconfig ARCH_OXNAS - bool "Oxford Semiconductor OXNAS Family SoCs" - depends on (ARCH_MULTI_V5 && CPU_LITTLE_ENDIAN) || ARCH_MULTI_V6 - select ARCH_HAS_RESET_CONTROLLER - select COMMON_CLK_OXNAS - select GPIOLIB - select MFD_SYSCON - select OXNAS_RPS_TIMER - select PINCTRL_OXNAS - select RESET_CONTROLLER - select RESET_OXNAS - select VERSATILE_FPGA_IRQ - select PINCTRL - help - Support for OxNas SoC family developed by Oxford Semiconductor. - -if ARCH_OXNAS - -config MACH_OX810SE - bool "Support OX810SE Based Products" - depends on ARCH_MULTI_V5 - select CPU_ARM926T - help - Include Support for the Oxford Semiconductor OX810SE SoC Based Products. - -config MACH_OX820 - bool "Support OX820 Based Products" - depends on ARCH_MULTI_V6 - select ARM_GIC - help - Include Support for the Oxford Semiconductor OX820 SoC Based Products. - -endif diff --git a/arch/arm/mach-oxnas/Makefile b/arch/arm/mach-oxnas/Makefile deleted file mode 100644 index a4e40e534e6a..000000000000 --- a/arch/arm/mach-oxnas/Makefile +++ /dev/null @@ -1 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only From patchwork Fri Mar 31 08:34:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669913 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D00DCC77B62 for ; Fri, 31 Mar 2023 08:35:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231601AbjCaIfA (ORCPT ); Fri, 31 Mar 2023 04:35:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231423AbjCaIez (ORCPT ); Fri, 31 Mar 2023 04:34:55 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E06481A957 for ; Fri, 31 Mar 2023 01:34:49 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id y14so21602632wrq.4 for ; 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Fri, 31 Mar 2023 01:34:48 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.34.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:34:48 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:41 +0200 Subject: [PATCH RFC 03/20] ARM: configs: remove oxnas_v6_defconfig MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-3-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX820 specific defconfig. Signed-off-by: Neil Armstrong --- arch/arm/configs/oxnas_v6_defconfig | 92 ------------------------------------- 1 file changed, 92 deletions(-) diff --git a/arch/arm/configs/oxnas_v6_defconfig b/arch/arm/configs/oxnas_v6_defconfig deleted file mode 100644 index 70a67b3fc91b..000000000000 --- a/arch/arm/configs/oxnas_v6_defconfig +++ /dev/null @@ -1,92 +0,0 @@ -CONFIG_SYSVIPC=y -CONFIG_NO_HZ_IDLE=y -CONFIG_HIGH_RES_TIMERS=y -CONFIG_CGROUPS=y -CONFIG_BLK_DEV_INITRD=y -CONFIG_EMBEDDED=y -CONFIG_PERF_EVENTS=y -CONFIG_STRICT_KERNEL_RWX=y -CONFIG_STRICT_MODULE_RWX=y -CONFIG_ARCH_MULTI_V6=y -CONFIG_ARCH_OXNAS=y -CONFIG_MACH_OX820=y -CONFIG_SMP=y -CONFIG_NR_CPUS=16 -CONFIG_ARCH_FORCE_MAX_ORDER=12 -CONFIG_SECCOMP=y -CONFIG_ARM_APPENDED_DTB=y -CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_KEXEC=y -CONFIG_EFI=y -CONFIG_CPU_IDLE=y -CONFIG_ARM_CPUIDLE=y -CONFIG_VFP=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_PARTITION_ADVANCED=y -CONFIG_CMDLINE_PARTITION=y -CONFIG_CMA=y -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_INET=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -CONFIG_IP_PNP_BOOTP=y -CONFIG_IP_PNP_RARP=y -CONFIG_IPV6_ROUTER_PREF=y -CONFIG_IPV6_OPTIMISTIC_DAD=y -CONFIG_INET6_AH=m -CONFIG_INET6_ESP=m -CONFIG_INET6_IPCOMP=m -CONFIG_IPV6_MIP6=m -CONFIG_IPV6_TUNNEL=m -CONFIG_IPV6_MULTIPLE_TABLES=y -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -CONFIG_MTD=y -CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_BLOCK=y -CONFIG_MTD_RAW_NAND=y -CONFIG_MTD_NAND_OXNAS=y -CONFIG_MTD_UBI=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=65536 -CONFIG_NETDEVICES=y -CONFIG_STMMAC_ETH=y -CONFIG_REALTEK_PHY=y -CONFIG_INPUT_EVDEV=y -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_SERIAL_OF_PLATFORM=y -CONFIG_GPIO_GENERIC_PLATFORM=y -CONFIG_NEW_LEDS=y -CONFIG_LEDS_CLASS=y -CONFIG_LEDS_CLASS_FLASH=m -CONFIG_LEDS_GPIO=y -CONFIG_LEDS_TRIGGERS=y -CONFIG_LEDS_TRIGGER_TIMER=y -CONFIG_LEDS_TRIGGER_ONESHOT=y -CONFIG_LEDS_TRIGGER_HEARTBEAT=y -CONFIG_LEDS_TRIGGER_CPU=y -CONFIG_LEDS_TRIGGER_GPIO=y -CONFIG_LEDS_TRIGGER_DEFAULT_ON=y -CONFIG_ARM_TIMER_SP804=y -CONFIG_EXT4_FS=y -CONFIG_MSDOS_FS=y -CONFIG_VFAT_FS=y -CONFIG_TMPFS=y -CONFIG_TMPFS_POSIX_ACL=y -CONFIG_UBIFS_FS=y -CONFIG_PSTORE=y -CONFIG_PSTORE_CONSOLE=y -CONFIG_PSTORE_PMSG=y -CONFIG_PSTORE_RAM=y -CONFIG_NLS_CODEPAGE_437=y -CONFIG_NLS_ISO8859_1=y -CONFIG_NLS_UTF8=y -CONFIG_DMA_CMA=y -CONFIG_CMA_SIZE_MBYTES=64 -CONFIG_PRINTK_TIME=y -CONFIG_MAGIC_SYSRQ=y From patchwork Fri Mar 31 08:34:42 2023 Content-Type: text/plain; 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Fri, 31 Mar 2023 01:34:49 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.34.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:34:49 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:42 +0200 Subject: [PATCH RFC 04/20] dt-bindings: arm: oxnas: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-4-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 SoC and boards bindings. Signed-off-by: Neil Armstrong Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/arm/oxnas.txt | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/oxnas.txt b/Documentation/devicetree/bindings/arm/oxnas.txt deleted file mode 100644 index ac64e60f99f1..000000000000 --- a/Documentation/devicetree/bindings/arm/oxnas.txt +++ /dev/null @@ -1,14 +0,0 @@ -Oxford Semiconductor OXNAS SoCs Family device tree bindings -------------------------------------------- - -Boards with the OX810SE SoC shall have the following properties: - Required root node property: - compatible: "oxsemi,ox810se" - -Boards with the OX820 SoC shall have the following properties: - Required root node property: - compatible: "oxsemi,ox820" - -Board compatible values: - - "wd,mbwe" (OX810SE) - - "cloudengines,pogoplugv3" (OX820) From patchwork Fri Mar 31 08:34:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669306 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8794C77B60 for ; Fri, 31 Mar 2023 08:34:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231598AbjCaIe6 (ORCPT ); Fri, 31 Mar 2023 04:34:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230331AbjCaIe4 (ORCPT ); Fri, 31 Mar 2023 04:34:56 -0400 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4AB81A478 for ; Fri, 31 Mar 2023 01:34:52 -0700 (PDT) Received: by mail-wr1-x431.google.com with SMTP id t4so16349328wra.7 for ; Fri, 31 Mar 2023 01:34:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251691; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=xHB6iDThXcrHPiUZPbOms1jUqgGK29VYjf8IjMfRyFw=; b=OU1zLuH7o+NOr2m6B7SrO4o0iHam3EmzoXHKLsgK9BYloCMtfK/nowyatORufCCuN1 0S2YS1Jf8IdII/0kL6aZikOCpl4gPmJusga/jGIu5RJTCZQSnPRu0bT6l47T3zz10RP6 McxdVUz7aOeaWEmmB93vHrWKRqDR0V4G8KIQheRtjvbxfjYUC7p1Tr/gQJhUqodf9UbX cfPIB4b7qt3CGsKHc7troZnh6xgZkYMWXzKDJwnMrJ6hhKvoxgQ/Hhd3Wgg51BPEfzhN yPMp3R5Ti2h1FWChvDvtH7XyexKUL1drTYJ0fwNaM4djZfI2kHkDr7Fn1XDVvEJpp7zv vtFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251691; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xHB6iDThXcrHPiUZPbOms1jUqgGK29VYjf8IjMfRyFw=; b=cI//xbguT66URPZ0bEL217bJ5JNl159ecG9PkJ64YPC2phSLmBkQHyYFFLONi6DjVj n2mzQ692jkeJEYezX2Qu1GX9VZnXgeeR2FvrI6m3X4b1A+zkKhIQIDTLX9iYVlnTHI/4 2KbHTRs+3Y2o0yPaE5JIy13QLbICyBEH7Xjp1UiRmcgYDePr0tdp0bpgW/mlKYdlBSNp lZJAkNTxrSw9V9OzqvBa+OR9yn8k4K0Dh3xOFD9uETm2rekNU3RkJEGGCODnMIK9TtYr Zz64xNy9Vtc4LEtHmO8j5DwAg+ww5DkTo40FqPPtQ7h9PNHb07Kc/Jv4JvGSy2pP+Bmn mfmQ== X-Gm-Message-State: AAQBX9e6AVd9GdlhavLyX5jfoUk1sSZTk0sy0DZS8i5WtOzyw/dt0wpd YTq2ggig2vD36TW02HYc2riH9A== X-Google-Smtp-Source: AKy350YZVgjYN18xwfhWJYe5j5yka9+JqQ6bvN6apomApI+PZnxn/a2kxojIM0PPJc8qiiYSR2kMoA== X-Received: by 2002:a5d:5411:0:b0:2c7:a9ec:3 with SMTP id g17-20020a5d5411000000b002c7a9ec0003mr21286471wrv.65.1680251691044; Fri, 31 Mar 2023 01:34:51 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.34.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:34:50 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:43 +0200 Subject: [PATCH RFC 05/20] clk: oxnas: remove obsolete clock driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-5-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 clock driver. Signed-off-by: Neil Armstrong --- drivers/clk/Kconfig | 7 -- drivers/clk/Makefile | 1 - drivers/clk/clk-oxnas.c | 251 ------------------------------------------------ 3 files changed, 259 deletions(-) diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index b6c5bf69a2b2..7ac31d00f03a 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -351,13 +351,6 @@ config COMMON_CLK_PXA help Support for the Marvell PXA SoC. -config COMMON_CLK_OXNAS - bool "Clock driver for the OXNAS SoC Family" - depends on ARCH_OXNAS || COMPILE_TEST - select MFD_SYSCON - help - Support for the OXNAS SoC Family clocks. - config COMMON_CLK_RS9_PCIE tristate "Clock driver for Renesas 9-series PCIe clock generators" depends on I2C diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index e3ca0d058a25..fea32d60f1d9 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -50,7 +50,6 @@ obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o obj-$(CONFIG_ARCH_NPCM7XX) += clk-npcm7xx.o obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o -obj-$(CONFIG_COMMON_CLK_OXNAS) += clk-oxnas.o obj-$(CONFIG_COMMON_CLK_PALMAS) += clk-palmas.o obj-$(CONFIG_CLK_LS1028A_PLLDIG) += clk-plldig.o obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o diff --git a/drivers/clk/clk-oxnas.c b/drivers/clk/clk-oxnas.c deleted file mode 100644 index 584e293156ad..000000000000 --- a/drivers/clk/clk-oxnas.c +++ /dev/null @@ -1,251 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2010 Broadcom - * Copyright (C) 2012 Stephen Warren - * Copyright (C) 2016 Neil Armstrong - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -/* Standard regmap gate clocks */ -struct clk_oxnas_gate { - struct clk_hw hw; - unsigned int bit; - struct regmap *regmap; -}; - -struct oxnas_stdclk_data { - struct clk_hw_onecell_data *onecell_data; - struct clk_oxnas_gate **gates; - unsigned int ngates; - struct clk_oxnas_pll **plls; - unsigned int nplls; -}; - -/* Regmap offsets */ -#define CLK_STAT_REGOFFSET 0x24 -#define CLK_SET_REGOFFSET 0x2c -#define CLK_CLR_REGOFFSET 0x30 - -static inline struct clk_oxnas_gate *to_clk_oxnas_gate(struct clk_hw *hw) -{ - return container_of(hw, struct clk_oxnas_gate, hw); -} - -static int oxnas_clk_gate_is_enabled(struct clk_hw *hw) -{ - struct clk_oxnas_gate *std = to_clk_oxnas_gate(hw); - int ret; - unsigned int val; - - ret = regmap_read(std->regmap, CLK_STAT_REGOFFSET, &val); - if (ret < 0) - return ret; - - return val & BIT(std->bit); -} - -static int oxnas_clk_gate_enable(struct clk_hw *hw) -{ - struct clk_oxnas_gate *std = to_clk_oxnas_gate(hw); - - regmap_write(std->regmap, CLK_SET_REGOFFSET, BIT(std->bit)); - - return 0; -} - -static void oxnas_clk_gate_disable(struct clk_hw *hw) -{ - struct clk_oxnas_gate *std = to_clk_oxnas_gate(hw); - - regmap_write(std->regmap, CLK_CLR_REGOFFSET, BIT(std->bit)); -} - -static const struct clk_ops oxnas_clk_gate_ops = { - .enable = oxnas_clk_gate_enable, - .disable = oxnas_clk_gate_disable, - .is_enabled = oxnas_clk_gate_is_enabled, -}; - -static const char *const osc_parents[] = { - "oscillator", -}; - -static const char *const eth_parents[] = { - "gmacclk", -}; - -#define OXNAS_GATE(_name, _bit, _parents) \ -struct clk_oxnas_gate _name = { \ - .bit = (_bit), \ - .hw.init = &(struct clk_init_data) { \ - .name = #_name, \ - .ops = &oxnas_clk_gate_ops, \ - .parent_names = _parents, \ - .num_parents = ARRAY_SIZE(_parents), \ - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \ - }, \ -} - -static OXNAS_GATE(ox810se_leon, 0, osc_parents); -static OXNAS_GATE(ox810se_dma_sgdma, 1, osc_parents); -static OXNAS_GATE(ox810se_cipher, 2, osc_parents); -static OXNAS_GATE(ox810se_sata, 4, osc_parents); -static OXNAS_GATE(ox810se_audio, 5, osc_parents); -static OXNAS_GATE(ox810se_usbmph, 6, osc_parents); -static OXNAS_GATE(ox810se_etha, 7, eth_parents); -static OXNAS_GATE(ox810se_pciea, 8, osc_parents); -static OXNAS_GATE(ox810se_nand, 9, osc_parents); - -static struct clk_oxnas_gate *ox810se_gates[] = { - &ox810se_leon, - &ox810se_dma_sgdma, - &ox810se_cipher, - &ox810se_sata, - &ox810se_audio, - &ox810se_usbmph, - &ox810se_etha, - &ox810se_pciea, - &ox810se_nand, -}; - -static OXNAS_GATE(ox820_leon, 0, osc_parents); -static OXNAS_GATE(ox820_dma_sgdma, 1, osc_parents); -static OXNAS_GATE(ox820_cipher, 2, osc_parents); -static OXNAS_GATE(ox820_sd, 3, osc_parents); -static OXNAS_GATE(ox820_sata, 4, osc_parents); -static OXNAS_GATE(ox820_audio, 5, osc_parents); -static OXNAS_GATE(ox820_usbmph, 6, osc_parents); -static OXNAS_GATE(ox820_etha, 7, eth_parents); -static OXNAS_GATE(ox820_pciea, 8, osc_parents); -static OXNAS_GATE(ox820_nand, 9, osc_parents); -static OXNAS_GATE(ox820_ethb, 10, eth_parents); -static OXNAS_GATE(ox820_pcieb, 11, osc_parents); -static OXNAS_GATE(ox820_ref600, 12, osc_parents); -static OXNAS_GATE(ox820_usbdev, 13, osc_parents); - -static struct clk_oxnas_gate *ox820_gates[] = { - &ox820_leon, - &ox820_dma_sgdma, - &ox820_cipher, - &ox820_sd, - &ox820_sata, - &ox820_audio, - &ox820_usbmph, - &ox820_etha, - &ox820_pciea, - &ox820_nand, - &ox820_etha, - &ox820_pciea, - &ox820_ref600, - &ox820_usbdev, -}; - -static struct clk_hw_onecell_data ox810se_hw_onecell_data = { - .hws = { - [CLK_810_LEON] = &ox810se_leon.hw, - [CLK_810_DMA_SGDMA] = &ox810se_dma_sgdma.hw, - [CLK_810_CIPHER] = &ox810se_cipher.hw, - [CLK_810_SATA] = &ox810se_sata.hw, - [CLK_810_AUDIO] = &ox810se_audio.hw, - [CLK_810_USBMPH] = &ox810se_usbmph.hw, - [CLK_810_ETHA] = &ox810se_etha.hw, - [CLK_810_PCIEA] = &ox810se_pciea.hw, - [CLK_810_NAND] = &ox810se_nand.hw, - }, - .num = ARRAY_SIZE(ox810se_gates), -}; - -static struct clk_hw_onecell_data ox820_hw_onecell_data = { - .hws = { - [CLK_820_LEON] = &ox820_leon.hw, - [CLK_820_DMA_SGDMA] = &ox820_dma_sgdma.hw, - [CLK_820_CIPHER] = &ox820_cipher.hw, - [CLK_820_SD] = &ox820_sd.hw, - [CLK_820_SATA] = &ox820_sata.hw, - [CLK_820_AUDIO] = &ox820_audio.hw, - [CLK_820_USBMPH] = &ox820_usbmph.hw, - [CLK_820_ETHA] = &ox820_etha.hw, - [CLK_820_PCIEA] = &ox820_pciea.hw, - [CLK_820_NAND] = &ox820_nand.hw, - [CLK_820_ETHB] = &ox820_ethb.hw, - [CLK_820_PCIEB] = &ox820_pcieb.hw, - [CLK_820_REF600] = &ox820_ref600.hw, - [CLK_820_USBDEV] = &ox820_usbdev.hw, - }, - .num = ARRAY_SIZE(ox820_gates), -}; - -static struct oxnas_stdclk_data ox810se_stdclk_data = { - .onecell_data = &ox810se_hw_onecell_data, - .gates = ox810se_gates, - .ngates = ARRAY_SIZE(ox810se_gates), -}; - -static struct oxnas_stdclk_data ox820_stdclk_data = { - .onecell_data = &ox820_hw_onecell_data, - .gates = ox820_gates, - .ngates = ARRAY_SIZE(ox820_gates), -}; - -static const struct of_device_id oxnas_stdclk_dt_ids[] = { - { .compatible = "oxsemi,ox810se-stdclk", &ox810se_stdclk_data }, - { .compatible = "oxsemi,ox820-stdclk", &ox820_stdclk_data }, - { } -}; - -static int oxnas_stdclk_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node, *parent_np; - const struct oxnas_stdclk_data *data; - struct regmap *regmap; - int ret; - int i; - - data = of_device_get_match_data(&pdev->dev); - - parent_np = of_get_parent(np); - regmap = syscon_node_to_regmap(parent_np); - of_node_put(parent_np); - if (IS_ERR(regmap)) { - dev_err(&pdev->dev, "failed to have parent regmap\n"); - return PTR_ERR(regmap); - } - - for (i = 0 ; i < data->ngates ; ++i) - data->gates[i]->regmap = regmap; - - for (i = 0; i < data->onecell_data->num; i++) { - if (!data->onecell_data->hws[i]) - continue; - - ret = devm_clk_hw_register(&pdev->dev, - data->onecell_data->hws[i]); - if (ret) - return ret; - } - - return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, - data->onecell_data); -} - -static struct platform_driver oxnas_stdclk_driver = { - .probe = oxnas_stdclk_probe, - .driver = { - .name = "oxnas-stdclk", - .suppress_bind_attrs = true, - .of_match_table = oxnas_stdclk_dt_ids, - }, -}; -builtin_platform_driver(oxnas_stdclk_driver); From patchwork Fri Mar 31 08:34:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669912 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF3C8C77B6D for ; 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Fri, 31 Mar 2023 01:34:52 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:44 +0200 Subject: [PATCH RFC 06/20] dt-bindings: clk: oxnas: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-6-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 clock bindings. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/clock/oxnas,stdclk.txt | 28 ---------------------- 1 file changed, 28 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt b/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt deleted file mode 100644 index b652f3fb7796..000000000000 --- a/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt +++ /dev/null @@ -1,28 +0,0 @@ -Oxford Semiconductor OXNAS SoC Family Standard Clocks -================================================ - -Please also refer to clock-bindings.txt in this directory for common clock -bindings usage. - -Required properties: -- compatible: For OX810SE, should be "oxsemi,ox810se-stdclk" - For OX820, should be "oxsemi,ox820-stdclk" -- #clock-cells: 1, see below - -Parent node should have the following properties : -- compatible: For OX810SE, should be - "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd" - For OX820, should be - "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd" - -example: - -sys: sys-ctrl@000000 { - compatible = "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd"; - reg = <0x000000 0x100000>; - - stdclk: stdclk { - compatible = "oxsemi,ox810se-stdclk"; - #clock-cells = <1>; - }; -}; From patchwork Fri Mar 31 08:34:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669911 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D075DC76196 for ; Fri, 31 Mar 2023 08:35:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231637AbjCaIf5 (ORCPT ); Fri, 31 Mar 2023 04:35:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231642AbjCaIfG (ORCPT ); Fri, 31 Mar 2023 04:35:06 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3FB71B7EE for ; 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Fri, 31 Mar 2023 01:34:53 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:45 +0200 Subject: [PATCH RFC 07/20] clksource: timer-oxnas-rps: remove obsolete timer driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-7-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 timer. Signed-off-by: Neil Armstrong --- drivers/clocksource/Kconfig | 7 - drivers/clocksource/Makefile | 1 - drivers/clocksource/timer-oxnas-rps.c | 288 ---------------------------------- 3 files changed, 296 deletions(-) diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 5fc8f0e7fb38..cd494646ebf4 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -461,13 +461,6 @@ config VF_PIT_TIMER help Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. -config OXNAS_RPS_TIMER - bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST - select TIMER_OF - select CLKSRC_MMIO - help - This enables support for the Oxford Semiconductor OXNAS RPS timers. - config SYS_SUPPORTS_SH_CMT bool diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 64ab547de97b..a15608cb0ea3 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -53,7 +53,6 @@ obj-$(CONFIG_CLKSRC_QCOM) += timer-qcom.o obj-$(CONFIG_MTK_TIMER) += timer-mediatek.o obj-$(CONFIG_CLKSRC_PISTACHIO) += timer-pistachio.o obj-$(CONFIG_CLKSRC_TI_32K) += timer-ti-32k.o -obj-$(CONFIG_OXNAS_RPS_TIMER) += timer-oxnas-rps.o obj-$(CONFIG_OWL_TIMER) += timer-owl.o obj-$(CONFIG_MILBEAUT_TIMER) += timer-milbeaut.o obj-$(CONFIG_SPRD_TIMER) += timer-sprd.o diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c deleted file mode 100644 index d514b44e67dd..000000000000 --- a/drivers/clocksource/timer-oxnas-rps.c +++ /dev/null @@ -1,288 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * drivers/clocksource/timer-oxnas-rps.c - * - * Copyright (C) 2009 Oxford Semiconductor Ltd - * Copyright (C) 2013 Ma Haijun - * Copyright (C) 2016 Neil Armstrong - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* TIMER1 used as tick - * TIMER2 used as clocksource - */ - -/* Registers definitions */ - -#define TIMER_LOAD_REG 0x0 -#define TIMER_CURR_REG 0x4 -#define TIMER_CTRL_REG 0x8 -#define TIMER_CLRINT_REG 0xC - -#define TIMER_BITS 24 - -#define TIMER_MAX_VAL (BIT(TIMER_BITS) - 1) - -#define TIMER_PERIODIC BIT(6) -#define TIMER_ENABLE BIT(7) - -#define TIMER_DIV1 (0) -#define TIMER_DIV16 (1 << 2) -#define TIMER_DIV256 (2 << 2) - -#define TIMER1_REG_OFFSET 0 -#define TIMER2_REG_OFFSET 0x20 - -/* Clockevent & Clocksource data */ - -struct oxnas_rps_timer { - struct clock_event_device clkevent; - void __iomem *clksrc_base; - void __iomem *clkevt_base; - unsigned long timer_period; - unsigned int timer_prescaler; - struct clk *clk; - int irq; -}; - -static irqreturn_t oxnas_rps_timer_irq(int irq, void *dev_id) -{ - struct oxnas_rps_timer *rps = dev_id; - - writel_relaxed(0, rps->clkevt_base + TIMER_CLRINT_REG); - - rps->clkevent.event_handler(&rps->clkevent); - - return IRQ_HANDLED; -} - -static void oxnas_rps_timer_config(struct oxnas_rps_timer *rps, - unsigned long period, - unsigned int periodic) -{ - uint32_t cfg = rps->timer_prescaler; - - if (period) - cfg |= TIMER_ENABLE; - - if (periodic) - cfg |= TIMER_PERIODIC; - - writel_relaxed(period, rps->clkevt_base + TIMER_LOAD_REG); - writel_relaxed(cfg, rps->clkevt_base + TIMER_CTRL_REG); -} - -static int oxnas_rps_timer_shutdown(struct clock_event_device *evt) -{ - struct oxnas_rps_timer *rps = - container_of(evt, struct oxnas_rps_timer, clkevent); - - oxnas_rps_timer_config(rps, 0, 0); - - return 0; -} - -static int oxnas_rps_timer_set_periodic(struct clock_event_device *evt) -{ - struct oxnas_rps_timer *rps = - container_of(evt, struct oxnas_rps_timer, clkevent); - - oxnas_rps_timer_config(rps, rps->timer_period, 1); - - return 0; -} - -static int oxnas_rps_timer_set_oneshot(struct clock_event_device *evt) -{ - struct oxnas_rps_timer *rps = - container_of(evt, struct oxnas_rps_timer, clkevent); - - oxnas_rps_timer_config(rps, rps->timer_period, 0); - - return 0; -} - -static int oxnas_rps_timer_next_event(unsigned long delta, - struct clock_event_device *evt) -{ - struct oxnas_rps_timer *rps = - container_of(evt, struct oxnas_rps_timer, clkevent); - - oxnas_rps_timer_config(rps, delta, 0); - - return 0; -} - -static int __init oxnas_rps_clockevent_init(struct oxnas_rps_timer *rps) -{ - ulong clk_rate = clk_get_rate(rps->clk); - ulong timer_rate; - - /* Start with prescaler 1 */ - rps->timer_prescaler = TIMER_DIV1; - rps->timer_period = DIV_ROUND_UP(clk_rate, HZ); - timer_rate = clk_rate; - - if (rps->timer_period > TIMER_MAX_VAL) { - rps->timer_prescaler = TIMER_DIV16; - timer_rate = clk_rate / 16; - rps->timer_period = DIV_ROUND_UP(timer_rate, HZ); - } - if (rps->timer_period > TIMER_MAX_VAL) { - rps->timer_prescaler = TIMER_DIV256; - timer_rate = clk_rate / 256; - rps->timer_period = DIV_ROUND_UP(timer_rate, HZ); - } - - rps->clkevent.name = "oxnas-rps"; - rps->clkevent.features = CLOCK_EVT_FEAT_PERIODIC | - CLOCK_EVT_FEAT_ONESHOT | - CLOCK_EVT_FEAT_DYNIRQ; - rps->clkevent.tick_resume = oxnas_rps_timer_shutdown; - rps->clkevent.set_state_shutdown = oxnas_rps_timer_shutdown; - rps->clkevent.set_state_periodic = oxnas_rps_timer_set_periodic; - rps->clkevent.set_state_oneshot = oxnas_rps_timer_set_oneshot; - rps->clkevent.set_next_event = oxnas_rps_timer_next_event; - rps->clkevent.rating = 200; - rps->clkevent.cpumask = cpu_possible_mask; - rps->clkevent.irq = rps->irq; - clockevents_config_and_register(&rps->clkevent, - timer_rate, - 1, - TIMER_MAX_VAL); - - pr_info("Registered clock event rate %luHz prescaler %x period %lu\n", - clk_rate, - rps->timer_prescaler, - rps->timer_period); - - return 0; -} - -/* Clocksource */ - -static void __iomem *timer_sched_base; - -static u64 notrace oxnas_rps_read_sched_clock(void) -{ - return ~readl_relaxed(timer_sched_base); -} - -static int __init oxnas_rps_clocksource_init(struct oxnas_rps_timer *rps) -{ - ulong clk_rate = clk_get_rate(rps->clk); - int ret; - - /* use prescale 16 */ - clk_rate = clk_rate / 16; - - writel_relaxed(TIMER_MAX_VAL, rps->clksrc_base + TIMER_LOAD_REG); - writel_relaxed(TIMER_PERIODIC | TIMER_ENABLE | TIMER_DIV16, - rps->clksrc_base + TIMER_CTRL_REG); - - timer_sched_base = rps->clksrc_base + TIMER_CURR_REG; - sched_clock_register(oxnas_rps_read_sched_clock, - TIMER_BITS, clk_rate); - ret = clocksource_mmio_init(timer_sched_base, - "oxnas_rps_clocksource_timer", - clk_rate, 250, TIMER_BITS, - clocksource_mmio_readl_down); - if (WARN_ON(ret)) { - pr_err("can't register clocksource\n"); - return ret; - } - - pr_info("Registered clocksource rate %luHz\n", clk_rate); - - return 0; -} - -static int __init oxnas_rps_timer_init(struct device_node *np) -{ - struct oxnas_rps_timer *rps; - void __iomem *base; - int ret; - - rps = kzalloc(sizeof(*rps), GFP_KERNEL); - if (!rps) - return -ENOMEM; - - rps->clk = of_clk_get(np, 0); - if (IS_ERR(rps->clk)) { - ret = PTR_ERR(rps->clk); - goto err_alloc; - } - - ret = clk_prepare_enable(rps->clk); - if (ret) - goto err_clk; - - base = of_iomap(np, 0); - if (!base) { - ret = -ENXIO; - goto err_clk_prepare; - } - - rps->irq = irq_of_parse_and_map(np, 0); - if (!rps->irq) { - ret = -EINVAL; - goto err_iomap; - } - - rps->clkevt_base = base + TIMER1_REG_OFFSET; - rps->clksrc_base = base + TIMER2_REG_OFFSET; - - /* Disable timers */ - writel_relaxed(0, rps->clkevt_base + TIMER_CTRL_REG); - writel_relaxed(0, rps->clksrc_base + TIMER_CTRL_REG); - writel_relaxed(0, rps->clkevt_base + TIMER_LOAD_REG); - writel_relaxed(0, rps->clksrc_base + TIMER_LOAD_REG); - writel_relaxed(0, rps->clkevt_base + TIMER_CLRINT_REG); - writel_relaxed(0, rps->clksrc_base + TIMER_CLRINT_REG); - - ret = request_irq(rps->irq, oxnas_rps_timer_irq, - IRQF_TIMER | IRQF_IRQPOLL, - "rps-timer", rps); - if (ret) - goto err_iomap; - - ret = oxnas_rps_clocksource_init(rps); - if (ret) - goto err_irqreq; - - ret = oxnas_rps_clockevent_init(rps); - if (ret) - goto err_irqreq; - - return 0; - -err_irqreq: - free_irq(rps->irq, rps); -err_iomap: - iounmap(base); -err_clk_prepare: - clk_disable_unprepare(rps->clk); -err_clk: - clk_put(rps->clk); -err_alloc: - kfree(rps); - - return ret; -} - -TIMER_OF_DECLARE(ox810se_rps, - "oxsemi,ox810se-rps-timer", oxnas_rps_timer_init); -TIMER_OF_DECLARE(ox820_rps, - "oxsemi,ox820-rps-timer", oxnas_rps_timer_init); From patchwork Fri Mar 31 08:34:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669304 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4092C76196 for ; Fri, 31 Mar 2023 08:35:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230464AbjCaIfd (ORCPT ); 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Fri, 31 Mar 2023 01:34:54 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:46 +0200 Subject: [PATCH RFC 08/20] dt-bindings: timer: oxsemi,rps-timer: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-8-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 timer bindings. Signed-off-by: Neil Armstrong Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/timer/oxsemi,rps-timer.txt | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt b/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt deleted file mode 100644 index d191612539e8..000000000000 --- a/Documentation/devicetree/bindings/timer/oxsemi,rps-timer.txt +++ /dev/null @@ -1,17 +0,0 @@ -Oxford Semiconductor OXNAS SoCs Family RPS Timer -================================================ - -Required properties: -- compatible: Should be "oxsemi,ox810se-rps-timer" or "oxsemi,ox820-rps-timer" -- reg : Specifies base physical address and size of the registers. -- interrupts : The interrupts of the two timers -- clocks : The phandle of the timer clock source - -example: - -timer0: timer@200 { - compatible = "oxsemi,ox810se-rps-timer"; - reg = <0x200 0x40>; - clocks = <&rpsclk>; - interrupts = <4 5>; -}; From patchwork Fri Mar 31 08:34:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669303 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DAB5C77B6D for ; Fri, 31 Mar 2023 08:36:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231757AbjCaIgH (ORCPT ); Fri, 31 Mar 2023 04:36:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231678AbjCaIfR (ORCPT ); Fri, 31 Mar 2023 04:35:17 -0400 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 453051D84C for ; Fri, 31 Mar 2023 01:34:57 -0700 (PDT) Received: by mail-wr1-x436.google.com with SMTP id l27so21597262wrb.2 for ; Fri, 31 Mar 2023 01:34:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251696; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=9eQd2PRUPObC6vfAXbvz2kWSZ1cGqD24tBtlBu7v0Zk=; b=XT9ECtwlsdWe3o0vMYrNBu+D7NzgbJ564psuhOE+dKhbWFyvXWCZ00wOvDhdwcBTWF 48LltN5EjnWWF42U7csY7RNAs8Ln0eounrZktVi46AEN4uvQxMPcnyLlh+rJG9zu8UVq RFkvH1r1JNJn6j6X9lfiDt1vZdo6/1p9ErMChTKM8ftSVmo8G4S5oDlSKT8HzNor2okP GqvO3HCM6OlTOIdQSaa4MigH+oRQil/CqTe9wHVYb+aXYKYiNp/P1tpIS+E8WL8fFrBS ZglAstYH00wmOFh71enLs7n5Hl3l3W/kfLupedHWDuJrVXxjKW29WddmG2mOrnUlLgAH ea1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251696; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9eQd2PRUPObC6vfAXbvz2kWSZ1cGqD24tBtlBu7v0Zk=; b=PK7663+0e7wPIpYjAaVGtTEE/mvF8ESgNUlio8KE8Dib0YdfaFZDDICtUH6zbrvNdJ F3c/2vhHOjxYX/ymZhYEZ22CymrRx222IfTowG92VRYLz06cCWvF0eVga/+dIBKZ4NBs cnjb1FVaCLpDIb5++j60VzrKZdx9raZe3EcVyxtxK59Bd6zp9E56CFyez+YBzHJfqLlp 8eSGz683aKFdlwQA0pajzmbGnfOxpRXQfHAR+ut4h5F6WSRZybfme1EpxSpgGk7EqDmC 4jFWiDcv56DgL4RM3wYh0E02xmbQab8ekQ6KLZvb64Hse/Qh8TR2BDCbKyiZdCrcZjbe QKag== X-Gm-Message-State: AAQBX9e+CCj6cWjV8WiCaV/NCXdQLjtNNDH1EG8BXogt6nNJcKHsK3WJ FHe7hgcfaV8UvKMOiGEUU1L8Iw== X-Google-Smtp-Source: AKy350Yu6u8o68jpMb5+fsfClqUxdCINEEq3588tJZY02FrQB56K1YJR0rbP/jzTvZA6NeFeaYgt9g== X-Received: by 2002:a5d:5410:0:b0:2cf:e336:cb14 with SMTP id g16-20020a5d5410000000b002cfe336cb14mr6612840wrv.10.1680251696577; Fri, 31 Mar 2023 01:34:56 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.34.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:34:56 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:47 +0200 Subject: [PATCH RFC 09/20] nand: oxnas_nand: remove obsolete raw nand driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-9-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 nand. Signed-off-by: Neil Armstrong --- drivers/mtd/nand/raw/Kconfig | 7 -- drivers/mtd/nand/raw/Makefile | 1 - drivers/mtd/nand/raw/oxnas_nand.c | 211 -------------------------------------- 3 files changed, 219 deletions(-) diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 170f1185ddc4..aae4c56fe1db 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -204,13 +204,6 @@ config MTD_NAND_BCM47XXNFLASH registered by bcma as platform devices. This enables driver for NAND flash memories. For now only BCM4706 is supported. -config MTD_NAND_OXNAS - tristate "Oxford Semiconductor NAND controller" - depends on ARCH_OXNAS || COMPILE_TEST - depends on HAS_IOMEM - help - This enables the NAND flash controller on Oxford Semiconductor SoCs. - config MTD_NAND_MPC5121_NFC tristate "MPC5121 NAND controller" depends on PPC_MPC512x diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile index 917cdfb815b9..53cb380122a5 100644 --- a/drivers/mtd/nand/raw/Makefile +++ b/drivers/mtd/nand/raw/Makefile @@ -26,7 +26,6 @@ obj-$(CONFIG_MTD_NAND_MARVELL) += marvell_nand.o obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o -obj-$(CONFIG_MTD_NAND_OXNAS) += oxnas_nand.o obj-$(CONFIG_MTD_NAND_FSL_ELBC) += fsl_elbc_nand.o obj-$(CONFIG_MTD_NAND_FSL_IFC) += fsl_ifc_nand.o obj-$(CONFIG_MTD_NAND_FSL_UPM) += fsl_upm.o diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c deleted file mode 100644 index cd112d45e0b5..000000000000 --- a/drivers/mtd/nand/raw/oxnas_nand.c +++ /dev/null @@ -1,211 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS NAND driver - - * Copyright (C) 2016 Neil Armstrong - * Heavily based on plat_nand.c : - * Author: Vitaly Wool - * Copyright (C) 2013 Ma Haijun - * Copyright (C) 2012 John Crispin - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* Nand commands */ -#define OXNAS_NAND_CMD_ALE BIT(18) -#define OXNAS_NAND_CMD_CLE BIT(19) - -#define OXNAS_NAND_MAX_CHIPS 1 - -struct oxnas_nand_ctrl { - struct nand_controller base; - void __iomem *io_base; - struct clk *clk; - struct nand_chip *chips[OXNAS_NAND_MAX_CHIPS]; - unsigned int nchips; -}; - -static uint8_t oxnas_nand_read_byte(struct nand_chip *chip) -{ - struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); - - return readb(oxnas->io_base); -} - -static void oxnas_nand_read_buf(struct nand_chip *chip, u8 *buf, int len) -{ - struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); - - ioread8_rep(oxnas->io_base, buf, len); -} - -static void oxnas_nand_write_buf(struct nand_chip *chip, const u8 *buf, - int len) -{ - struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); - - iowrite8_rep(oxnas->io_base, buf, len); -} - -/* Single CS command control */ -static void oxnas_nand_cmd_ctrl(struct nand_chip *chip, int cmd, - unsigned int ctrl) -{ - struct oxnas_nand_ctrl *oxnas = nand_get_controller_data(chip); - - if (ctrl & NAND_CLE) - writeb(cmd, oxnas->io_base + OXNAS_NAND_CMD_CLE); - else if (ctrl & NAND_ALE) - writeb(cmd, oxnas->io_base + OXNAS_NAND_CMD_ALE); -} - -/* - * Probe for the NAND device. - */ -static int oxnas_nand_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct device_node *nand_np; - struct oxnas_nand_ctrl *oxnas; - struct nand_chip *chip; - struct mtd_info *mtd; - int count = 0; - int err = 0; - int i; - - /* Allocate memory for the device structure (and zero it) */ - oxnas = devm_kzalloc(&pdev->dev, sizeof(*oxnas), - GFP_KERNEL); - if (!oxnas) - return -ENOMEM; - - nand_controller_init(&oxnas->base); - - oxnas->io_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(oxnas->io_base)) - return PTR_ERR(oxnas->io_base); - - oxnas->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(oxnas->clk)) - oxnas->clk = NULL; - - /* Only a single chip node is supported */ - count = of_get_child_count(np); - if (count > 1) - return -EINVAL; - - err = clk_prepare_enable(oxnas->clk); - if (err) - return err; - - device_reset_optional(&pdev->dev); - - for_each_child_of_node(np, nand_np) { - chip = devm_kzalloc(&pdev->dev, sizeof(struct nand_chip), - GFP_KERNEL); - if (!chip) { - err = -ENOMEM; - goto err_release_child; - } - - chip->controller = &oxnas->base; - - nand_set_flash_node(chip, nand_np); - nand_set_controller_data(chip, oxnas); - - mtd = nand_to_mtd(chip); - mtd->dev.parent = &pdev->dev; - mtd->priv = chip; - - chip->legacy.cmd_ctrl = oxnas_nand_cmd_ctrl; - chip->legacy.read_buf = oxnas_nand_read_buf; - chip->legacy.read_byte = oxnas_nand_read_byte; - chip->legacy.write_buf = oxnas_nand_write_buf; - chip->legacy.chip_delay = 30; - - /* Scan to find existence of the device */ - err = nand_scan(chip, 1); - if (err) - goto err_release_child; - - err = mtd_device_register(mtd, NULL, 0); - if (err) - goto err_cleanup_nand; - - oxnas->chips[oxnas->nchips++] = chip; - } - - /* Exit if no chips found */ - if (!oxnas->nchips) { - err = -ENODEV; - goto err_clk_unprepare; - } - - platform_set_drvdata(pdev, oxnas); - - return 0; - -err_cleanup_nand: - nand_cleanup(chip); -err_release_child: - of_node_put(nand_np); - - for (i = 0; i < oxnas->nchips; i++) { - chip = oxnas->chips[i]; - WARN_ON(mtd_device_unregister(nand_to_mtd(chip))); - nand_cleanup(chip); - } - -err_clk_unprepare: - clk_disable_unprepare(oxnas->clk); - return err; -} - -static int oxnas_nand_remove(struct platform_device *pdev) -{ - struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev); - struct nand_chip *chip; - int i; - - for (i = 0; i < oxnas->nchips; i++) { - chip = oxnas->chips[i]; - WARN_ON(mtd_device_unregister(nand_to_mtd(chip))); - nand_cleanup(chip); - } - - clk_disable_unprepare(oxnas->clk); - - return 0; -} - -static const struct of_device_id oxnas_nand_match[] = { - { .compatible = "oxsemi,ox820-nand" }, - {}, -}; -MODULE_DEVICE_TABLE(of, oxnas_nand_match); - -static struct platform_driver oxnas_nand_driver = { - .probe = oxnas_nand_probe, - .remove = oxnas_nand_remove, - .driver = { - .name = "oxnas_nand", - .of_match_table = oxnas_nand_match, - }, -}; - -module_platform_driver(oxnas_nand_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Neil Armstrong "); -MODULE_DESCRIPTION("Oxnas NAND driver"); -MODULE_ALIAS("platform:oxnas_nand"); From patchwork Fri Mar 31 08:34:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669302 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97240C6FD18 for ; Fri, 31 Mar 2023 08:36:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231708AbjCaIgb (ORCPT ); Fri, 31 Mar 2023 04:36:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231721AbjCaIf5 (ORCPT ); Fri, 31 Mar 2023 04:35:57 -0400 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 733781D916 for ; 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Fri, 31 Mar 2023 01:34:57 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:48 +0200 Subject: [PATCH RFC 10/20] dt-bindings: mtd: oxnas-nand: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-10-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the for OX810 and OX820 nand bindings. Signed-off-by: Neil Armstrong Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/mtd/oxnas-nand.txt | 41 ---------------------- 1 file changed, 41 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/oxnas-nand.txt b/Documentation/devicetree/bindings/mtd/oxnas-nand.txt deleted file mode 100644 index 2ba07fc8b79c..000000000000 --- a/Documentation/devicetree/bindings/mtd/oxnas-nand.txt +++ /dev/null @@ -1,41 +0,0 @@ -* Oxford Semiconductor OXNAS NAND Controller - -Please refer to nand-controller.yaml for generic information regarding MTD NAND bindings. - -Required properties: - - compatible: "oxsemi,ox820-nand" - - reg: Base address and length for NAND mapped memory. - -Optional Properties: - - clocks: phandle to the NAND gate clock if needed. - - resets: phandle to the NAND reset control if needed. - -Example: - -nandc: nand-controller@41000000 { - compatible = "oxsemi,ox820-nand"; - reg = <0x41000000 0x100000>; - clocks = <&stdclk CLK_820_NAND>; - resets = <&reset RESET_NAND>; - #address-cells = <1>; - #size-cells = <0>; - - nand@0 { - reg = <0>; - #address-cells = <1>; - #size-cells = <1>; - nand-ecc-mode = "soft"; - nand-ecc-algo = "hamming"; - - partition@0 { - label = "boot"; - reg = <0x00000000 0x00e00000>; - read-only; - }; - - partition@e00000 { - label = "ubi"; - reg = <0x00e00000 0x07200000>; - }; - }; -}; From patchwork Fri Mar 31 08:34:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669910 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 709B8C77B6F for ; Fri, 31 Mar 2023 08:36:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231622AbjCaIgV (ORCPT ); Fri, 31 Mar 2023 04:36:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231329AbjCaIf4 (ORCPT ); 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Fri, 31 Mar 2023 01:34:59 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:49 +0200 Subject: [PATCH RFC 11/20] net: stmmac: dwmac-oxnas: remove obsolete dwmac glue driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-11-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 ethernet. Signed-off-by: Neil Armstrong --- drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 - drivers/net/ethernet/stmicro/stmmac/Makefile | 1 - drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 245 ---------------------- 3 files changed, 257 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index f77511fe4e87..8a0655d5f22e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -121,17 +121,6 @@ config DWMAC_MESON the stmmac device driver. This driver is used for Meson6, Meson8, Meson8b and GXBB SoCs. -config DWMAC_OXNAS - tristate "Oxford Semiconductor OXNAS dwmac support" - default ARCH_OXNAS - depends on OF && COMMON_CLK && (ARCH_OXNAS || COMPILE_TEST) - select MFD_SYSCON - help - Support for Ethernet controller on Oxford Semiconductor OXNAS SoCs. - - This selects the Oxford Semiconductor OXNASSoC glue layer support for - the stmmac device driver. This driver is used for OX820. - config DWMAC_QCOM_ETHQOS tristate "Qualcomm ETHQOS support" default ARCH_QCOM diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index 057e4bab5c08..9b56324ccf7d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_DWMAC_IPQ806X) += dwmac-ipq806x.o obj-$(CONFIG_DWMAC_LPC18XX) += dwmac-lpc18xx.o obj-$(CONFIG_DWMAC_MEDIATEK) += dwmac-mediatek.o obj-$(CONFIG_DWMAC_MESON) += dwmac-meson.o dwmac-meson8b.o -obj-$(CONFIG_DWMAC_OXNAS) += dwmac-oxnas.o obj-$(CONFIG_DWMAC_QCOM_ETHQOS) += dwmac-qcom-ethqos.o obj-$(CONFIG_DWMAC_ROCKCHIP) += dwmac-rk.o obj-$(CONFIG_DWMAC_SOCFPGA) += dwmac-altr-socfpga.o diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c deleted file mode 100644 index 62a69a91ab22..000000000000 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c +++ /dev/null @@ -1,245 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS DWMAC glue layer - * - * Copyright (C) 2016 Neil Armstrong - * Copyright (C) 2014 Daniel Golle - * Copyright (C) 2013 Ma Haijun - * Copyright (C) 2012 John Crispin - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "stmmac_platform.h" - -/* System Control regmap offsets */ -#define OXNAS_DWMAC_CTRL_REGOFFSET 0x78 -#define OXNAS_DWMAC_DELAY_REGOFFSET 0x100 - -/* Control Register */ -#define DWMAC_CKEN_RX_IN 14 -#define DWMAC_CKEN_RXN_OUT 13 -#define DWMAC_CKEN_RX_OUT 12 -#define DWMAC_CKEN_TX_IN 10 -#define DWMAC_CKEN_TXN_OUT 9 -#define DWMAC_CKEN_TX_OUT 8 -#define DWMAC_RX_SOURCE 7 -#define DWMAC_TX_SOURCE 6 -#define DWMAC_LOW_TX_SOURCE 4 -#define DWMAC_AUTO_TX_SOURCE 3 -#define DWMAC_RGMII 2 -#define DWMAC_SIMPLE_MUX 1 -#define DWMAC_CKEN_GTX 0 - -/* Delay register */ -#define DWMAC_TX_VARDELAY_SHIFT 0 -#define DWMAC_TXN_VARDELAY_SHIFT 8 -#define DWMAC_RX_VARDELAY_SHIFT 16 -#define DWMAC_RXN_VARDELAY_SHIFT 24 -#define DWMAC_TX_VARDELAY(d) ((d) << DWMAC_TX_VARDELAY_SHIFT) -#define DWMAC_TXN_VARDELAY(d) ((d) << DWMAC_TXN_VARDELAY_SHIFT) -#define DWMAC_RX_VARDELAY(d) ((d) << DWMAC_RX_VARDELAY_SHIFT) -#define DWMAC_RXN_VARDELAY(d) ((d) << DWMAC_RXN_VARDELAY_SHIFT) - -struct oxnas_dwmac; - -struct oxnas_dwmac_data { - int (*setup)(struct oxnas_dwmac *dwmac); -}; - -struct oxnas_dwmac { - struct device *dev; - struct clk *clk; - struct regmap *regmap; - const struct oxnas_dwmac_data *data; -}; - -static int oxnas_dwmac_setup_ox810se(struct oxnas_dwmac *dwmac) -{ - unsigned int value; - int ret; - - ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value); - if (ret < 0) - return ret; - - /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ - value |= BIT(DWMAC_CKEN_GTX) | - /* Use simple mux for 25/125 Mhz clock switching */ - BIT(DWMAC_SIMPLE_MUX); - - regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); - - return 0; -} - -static int oxnas_dwmac_setup_ox820(struct oxnas_dwmac *dwmac) -{ - unsigned int value; - int ret; - - ret = regmap_read(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, &value); - if (ret < 0) - return ret; - - /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ - value |= BIT(DWMAC_CKEN_GTX) | - /* Use simple mux for 25/125 Mhz clock switching */ - BIT(DWMAC_SIMPLE_MUX) | - /* set auto switch tx clock source */ - BIT(DWMAC_AUTO_TX_SOURCE) | - /* enable tx & rx vardelay */ - BIT(DWMAC_CKEN_TX_OUT) | - BIT(DWMAC_CKEN_TXN_OUT) | - BIT(DWMAC_CKEN_TX_IN) | - BIT(DWMAC_CKEN_RX_OUT) | - BIT(DWMAC_CKEN_RXN_OUT) | - BIT(DWMAC_CKEN_RX_IN); - regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); - - /* set tx & rx vardelay */ - value = DWMAC_TX_VARDELAY(4) | - DWMAC_TXN_VARDELAY(2) | - DWMAC_RX_VARDELAY(10) | - DWMAC_RXN_VARDELAY(8); - regmap_write(dwmac->regmap, OXNAS_DWMAC_DELAY_REGOFFSET, value); - - return 0; -} - -static int oxnas_dwmac_init(struct platform_device *pdev, void *priv) -{ - struct oxnas_dwmac *dwmac = priv; - int ret; - - /* Reset HW here before changing the glue configuration */ - ret = device_reset(dwmac->dev); - if (ret) - return ret; - - ret = clk_prepare_enable(dwmac->clk); - if (ret) - return ret; - - ret = dwmac->data->setup(dwmac); - if (ret) - clk_disable_unprepare(dwmac->clk); - - return ret; -} - -static void oxnas_dwmac_exit(struct platform_device *pdev, void *priv) -{ - struct oxnas_dwmac *dwmac = priv; - - clk_disable_unprepare(dwmac->clk); -} - -static int oxnas_dwmac_probe(struct platform_device *pdev) -{ - struct plat_stmmacenet_data *plat_dat; - struct stmmac_resources stmmac_res; - struct oxnas_dwmac *dwmac; - int ret; - - ret = stmmac_get_platform_resources(pdev, &stmmac_res); - if (ret) - return ret; - - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); - if (IS_ERR(plat_dat)) - return PTR_ERR(plat_dat); - - dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } - - dwmac->data = (const struct oxnas_dwmac_data *)of_device_get_match_data(&pdev->dev); - if (!dwmac->data) { - ret = -EINVAL; - goto err_remove_config_dt; - } - - dwmac->dev = &pdev->dev; - plat_dat->bsp_priv = dwmac; - plat_dat->init = oxnas_dwmac_init; - plat_dat->exit = oxnas_dwmac_exit; - - dwmac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "oxsemi,sys-ctrl"); - if (IS_ERR(dwmac->regmap)) { - dev_err(&pdev->dev, "failed to have sysctrl regmap\n"); - ret = PTR_ERR(dwmac->regmap); - goto err_remove_config_dt; - } - - dwmac->clk = devm_clk_get(&pdev->dev, "gmac"); - if (IS_ERR(dwmac->clk)) { - ret = PTR_ERR(dwmac->clk); - goto err_remove_config_dt; - } - - ret = oxnas_dwmac_init(pdev, plat_dat->bsp_priv); - if (ret) - goto err_remove_config_dt; - - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_dwmac_exit; - - - return 0; - -err_dwmac_exit: - oxnas_dwmac_exit(pdev, plat_dat->bsp_priv); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; -} - -static const struct oxnas_dwmac_data ox810se_dwmac_data = { - .setup = oxnas_dwmac_setup_ox810se, -}; - -static const struct oxnas_dwmac_data ox820_dwmac_data = { - .setup = oxnas_dwmac_setup_ox820, -}; - -static const struct of_device_id oxnas_dwmac_match[] = { - { - .compatible = "oxsemi,ox810se-dwmac", - .data = &ox810se_dwmac_data, - }, - { - .compatible = "oxsemi,ox820-dwmac", - .data = &ox820_dwmac_data, - }, - { } -}; -MODULE_DEVICE_TABLE(of, oxnas_dwmac_match); - -static struct platform_driver oxnas_dwmac_driver = { - .probe = oxnas_dwmac_probe, - .remove = stmmac_pltfr_remove, - .driver = { - .name = "oxnas-dwmac", - .pm = &stmmac_pltfr_pm_ops, - .of_match_table = oxnas_dwmac_match, - }, -}; -module_platform_driver(oxnas_dwmac_driver); - -MODULE_AUTHOR("Neil Armstrong "); -MODULE_DESCRIPTION("Oxford Semiconductor OXNAS DWMAC glue layer"); -MODULE_LICENSE("GPL v2"); From patchwork Fri Mar 31 08:34:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669909 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06CCEC77B62 for ; Fri, 31 Mar 2023 08:36:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231816AbjCaIge (ORCPT ); Fri, 31 Mar 2023 04:36:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231743AbjCaIgG (ORCPT ); Fri, 31 Mar 2023 04:36:06 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A93D31D911 for ; 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Fri, 31 Mar 2023 01:35:00 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:50 +0200 Subject: [PATCH RFC 12/20] dt-bindings: net: oxnas-dwmac: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-12-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 dwmac glue. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/net/oxnas-dwmac.txt | 41 ---------------------- 1 file changed, 41 deletions(-) diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt deleted file mode 100644 index 27db496f1ce8..000000000000 --- a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt +++ /dev/null @@ -1,41 +0,0 @@ -* Oxford Semiconductor OXNAS DWMAC Ethernet controller - -The device inherits all the properties of the dwmac/stmmac devices -described in the file stmmac.txt in the current directory with the -following changes. - -Required properties on all platforms: - -- compatible: For the OX820 SoC, it should be : - - "oxsemi,ox820-dwmac" to select glue - - "snps,dwmac-3.512" to select IP version. - For the OX810SE SoC, it should be : - - "oxsemi,ox810se-dwmac" to select glue - - "snps,dwmac-3.512" to select IP version. - -- clocks: Should contain phandles to the following clocks -- clock-names: Should contain the following: - - "stmmaceth" for the host clock - see stmmac.txt - - "gmac" for the peripheral gate clock - -- oxsemi,sys-ctrl: a phandle to the system controller syscon node - -Example : - -etha: ethernet@40400000 { - compatible = "oxsemi,ox820-dwmac", "snps,dwmac-3.512"; - reg = <0x40400000 0x2000>; - interrupts = , - ; - interrupt-names = "macirq", "eth_wake_irq"; - mac-address = [000000000000]; /* Filled in by U-Boot */ - phy-mode = "rgmii"; - - clocks = <&stdclk CLK_820_ETHA>, <&gmacclk>; - clock-names = "gmac", "stmmaceth"; - resets = <&reset RESET_MAC>; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - -}; From patchwork Fri Mar 31 08:34:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669301 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E18EAC6FD18 for ; Fri, 31 Mar 2023 08:36:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231797AbjCaIgt (ORCPT ); Fri, 31 Mar 2023 04:36:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229875AbjCaIgP (ORCPT ); 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Fri, 31 Mar 2023 01:35:02 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:51 +0200 Subject: [PATCH RFC 13/20] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-13-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 pinctrl & gpio. Signed-off-by: Neil Armstrong --- drivers/pinctrl/Kconfig | 11 - drivers/pinctrl/Makefile | 1 - drivers/pinctrl/pinctrl-oxnas.c | 1292 --------------------------------------- 3 files changed, 1304 deletions(-) diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index dcb53c4a9584..d2c1c9bd541a 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -355,17 +355,6 @@ config PINCTRL_OCELOT If conpiled as a module, the module name will be pinctrl-ocelot. -config PINCTRL_OXNAS - bool - depends on OF - select PINMUX - select PINCONF - select GENERIC_PINCONF - select GPIOLIB - select OF_GPIO - select GPIOLIB_IRQCHIP - select MFD_SYSCON - config PINCTRL_PALMAS tristate "Pinctrl driver for the PALMAS Series MFD devices" depends on OF && MFD_PALMAS diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index d5939840bb2a..f8eb7f3eefa0 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -37,7 +37,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08_SPI) += pinctrl-mcp23s08_spi.o obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o obj-$(CONFIG_PINCTRL_OCELOT) += pinctrl-ocelot.o -obj-$(CONFIG_PINCTRL_OXNAS) += pinctrl-oxnas.o obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o obj-$(CONFIG_PINCTRL_PIC32) += pinctrl-pic32.o obj-$(CONFIG_PINCTRL_PISTACHIO) += pinctrl-pistachio.o diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c deleted file mode 100644 index fb10a8473ebe..000000000000 --- a/drivers/pinctrl/pinctrl-oxnas.c +++ /dev/null @@ -1,1292 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor OXNAS SoC Family pinctrl driver - * - * Copyright (C) 2016 Neil Armstrong - * - * Based on pinctrl-pic32.c - * Joshua Henderson, - * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "pinctrl-utils.h" - -#define PINS_PER_BANK 32 - -#define GPIO_BANK_START(bank) ((bank) * PINS_PER_BANK) - -/* OX810 Regmap Offsets */ -#define PINMUX_810_PRIMARY_SEL0 0x0c -#define PINMUX_810_SECONDARY_SEL0 0x14 -#define PINMUX_810_TERTIARY_SEL0 0x8c -#define PINMUX_810_PRIMARY_SEL1 0x10 -#define PINMUX_810_SECONDARY_SEL1 0x18 -#define PINMUX_810_TERTIARY_SEL1 0x90 -#define PINMUX_810_PULLUP_CTRL0 0xac -#define PINMUX_810_PULLUP_CTRL1 0xb0 - -/* OX820 Regmap Offsets */ -#define PINMUX_820_BANK_OFFSET 0x100000 -#define PINMUX_820_SECONDARY_SEL 0x14 -#define PINMUX_820_TERTIARY_SEL 0x8c -#define PINMUX_820_QUATERNARY_SEL 0x94 -#define PINMUX_820_DEBUG_SEL 0x9c -#define PINMUX_820_ALTERNATIVE_SEL 0xa4 -#define PINMUX_820_PULLUP_CTRL 0xac - -/* GPIO Registers */ -#define INPUT_VALUE 0x00 -#define OUTPUT_EN 0x04 -#define IRQ_PENDING 0x0c -#define OUTPUT_SET 0x14 -#define OUTPUT_CLEAR 0x18 -#define OUTPUT_EN_SET 0x1c -#define OUTPUT_EN_CLEAR 0x20 -#define RE_IRQ_ENABLE 0x28 -#define FE_IRQ_ENABLE 0x2c - -struct oxnas_function { - const char *name; - const char * const *groups; - unsigned int ngroups; -}; - -struct oxnas_pin_group { - const char *name; - unsigned int pin; - unsigned int bank; - struct oxnas_desc_function *functions; -}; - -struct oxnas_desc_function { - const char *name; - unsigned int fct; -}; - -struct oxnas_gpio_bank { - void __iomem *reg_base; - struct gpio_chip gpio_chip; - struct irq_chip irq_chip; - unsigned int id; -}; - -struct oxnas_pinctrl { - struct regmap *regmap; - struct device *dev; - struct pinctrl_dev *pctldev; - const struct oxnas_function *functions; - unsigned int nfunctions; - const struct oxnas_pin_group *groups; - unsigned int ngroups; - struct oxnas_gpio_bank *gpio_banks; - unsigned int nbanks; -}; - -struct oxnas_pinctrl_data { - struct pinctrl_desc *desc; - struct oxnas_pinctrl *pctl; -}; - -static const struct pinctrl_pin_desc oxnas_ox810se_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), -}; - -static const struct pinctrl_pin_desc oxnas_ox820_pins[] = { - PINCTRL_PIN(0, "gpio0"), - PINCTRL_PIN(1, "gpio1"), - PINCTRL_PIN(2, "gpio2"), - PINCTRL_PIN(3, "gpio3"), - PINCTRL_PIN(4, "gpio4"), - PINCTRL_PIN(5, "gpio5"), - PINCTRL_PIN(6, "gpio6"), - PINCTRL_PIN(7, "gpio7"), - PINCTRL_PIN(8, "gpio8"), - PINCTRL_PIN(9, "gpio9"), - PINCTRL_PIN(10, "gpio10"), - PINCTRL_PIN(11, "gpio11"), - PINCTRL_PIN(12, "gpio12"), - PINCTRL_PIN(13, "gpio13"), - PINCTRL_PIN(14, "gpio14"), - PINCTRL_PIN(15, "gpio15"), - PINCTRL_PIN(16, "gpio16"), - PINCTRL_PIN(17, "gpio17"), - PINCTRL_PIN(18, "gpio18"), - PINCTRL_PIN(19, "gpio19"), - PINCTRL_PIN(20, "gpio20"), - PINCTRL_PIN(21, "gpio21"), - PINCTRL_PIN(22, "gpio22"), - PINCTRL_PIN(23, "gpio23"), - PINCTRL_PIN(24, "gpio24"), - PINCTRL_PIN(25, "gpio25"), - PINCTRL_PIN(26, "gpio26"), - PINCTRL_PIN(27, "gpio27"), - PINCTRL_PIN(28, "gpio28"), - PINCTRL_PIN(29, "gpio29"), - PINCTRL_PIN(30, "gpio30"), - PINCTRL_PIN(31, "gpio31"), - PINCTRL_PIN(32, "gpio32"), - PINCTRL_PIN(33, "gpio33"), - PINCTRL_PIN(34, "gpio34"), - PINCTRL_PIN(35, "gpio35"), - PINCTRL_PIN(36, "gpio36"), - PINCTRL_PIN(37, "gpio37"), - PINCTRL_PIN(38, "gpio38"), - PINCTRL_PIN(39, "gpio39"), - PINCTRL_PIN(40, "gpio40"), - PINCTRL_PIN(41, "gpio41"), - PINCTRL_PIN(42, "gpio42"), - PINCTRL_PIN(43, "gpio43"), - PINCTRL_PIN(44, "gpio44"), - PINCTRL_PIN(45, "gpio45"), - PINCTRL_PIN(46, "gpio46"), - PINCTRL_PIN(47, "gpio47"), - PINCTRL_PIN(48, "gpio48"), - PINCTRL_PIN(49, "gpio49"), -}; - -static const char * const oxnas_ox810se_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34" -}; - -static const char * const oxnas_ox810se_fct3_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", - "gpio20", - "gpio22", "gpio23", "gpio24", "gpio25", - "gpio26", "gpio27", "gpio28", "gpio29", - "gpio30", "gpio31", "gpio32", "gpio33", - "gpio34" -}; - -static const char * const oxnas_ox820_fct0_group[] = { - "gpio0", "gpio1", "gpio2", "gpio3", - "gpio4", "gpio5", "gpio6", "gpio7", - "gpio8", "gpio9", "gpio10", "gpio11", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio28", "gpio29", "gpio30", "gpio31", - "gpio32", "gpio33", "gpio34", "gpio35", - "gpio36", "gpio37", "gpio38", "gpio39", - "gpio40", "gpio41", "gpio42", "gpio43", - "gpio44", "gpio45", "gpio46", "gpio47", - "gpio48", "gpio49" -}; - -static const char * const oxnas_ox820_fct1_group[] = { - "gpio3", "gpio4", - "gpio12", "gpio13", "gpio14", "gpio15", - "gpio16", "gpio17", "gpio18", "gpio19", - "gpio20", "gpio21", "gpio22", "gpio23", - "gpio24" -}; - -static const char * const oxnas_ox820_fct4_group[] = { - "gpio5", "gpio6", "gpio7", "gpio8", - "gpio24", "gpio25", "gpio26", "gpio27", - "gpio40", "gpio41", "gpio42", "gpio43" -}; - -static const char * const oxnas_ox820_fct5_group[] = { - "gpio28", "gpio29", "gpio30", "gpio31" -}; - -#define FUNCTION(_name, _gr) \ - { \ - .name = #_name, \ - .groups = oxnas_##_gr##_group, \ - .ngroups = ARRAY_SIZE(oxnas_##_gr##_group), \ - } - -static const struct oxnas_function oxnas_ox810se_functions[] = { - FUNCTION(gpio, ox810se_fct0), - FUNCTION(fct3, ox810se_fct3), -}; - -static const struct oxnas_function oxnas_ox820_functions[] = { - FUNCTION(gpio, ox820_fct0), - FUNCTION(fct1, ox820_fct1), - FUNCTION(fct4, ox820_fct4), - FUNCTION(fct5, ox820_fct5), -}; - -#define OXNAS_PINCTRL_GROUP(_pin, _name, ...) \ - { \ - .name = #_name, \ - .pin = _pin, \ - .bank = _pin / PINS_PER_BANK, \ - .functions = (struct oxnas_desc_function[]){ \ - __VA_ARGS__, { } }, \ - } - -#define OXNAS_PINCTRL_FUNCTION(_name, _fct) \ - { \ - .name = #_name, \ - .fct = _fct, \ - } - -static const struct oxnas_pin_group oxnas_ox810se_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct3, 3)), -}; - -static const struct oxnas_pin_group oxnas_ox820_groups[] = { - OXNAS_PINCTRL_GROUP(0, gpio0, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(1, gpio1, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(2, gpio2, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(3, gpio3, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(4, gpio4, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(5, gpio5, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(6, gpio6, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(7, gpio7, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(8, gpio8, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(9, gpio9, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(10, gpio10, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(11, gpio11, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(12, gpio12, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(13, gpio13, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(14, gpio14, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(15, gpio15, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(16, gpio16, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(17, gpio17, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(18, gpio18, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(19, gpio19, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(20, gpio20, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(21, gpio21, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(22, gpio22, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(23, gpio23, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1)), - OXNAS_PINCTRL_GROUP(24, gpio24, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct1, 1), - OXNAS_PINCTRL_FUNCTION(fct4, 5)), - OXNAS_PINCTRL_GROUP(25, gpio25, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(26, gpio26, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(27, gpio27, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(28, gpio28, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(29, gpio29, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(30, gpio30, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(31, gpio31, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct5, 5)), - OXNAS_PINCTRL_GROUP(32, gpio32, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(33, gpio33, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(34, gpio34, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(35, gpio35, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(36, gpio36, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(37, gpio37, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(38, gpio38, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(39, gpio39, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(40, gpio40, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(41, gpio41, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(42, gpio42, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(43, gpio43, - OXNAS_PINCTRL_FUNCTION(gpio, 0), - OXNAS_PINCTRL_FUNCTION(fct4, 4)), - OXNAS_PINCTRL_GROUP(44, gpio44, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(45, gpio45, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(46, gpio46, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(47, gpio47, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(48, gpio48, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), - OXNAS_PINCTRL_GROUP(49, gpio49, - OXNAS_PINCTRL_FUNCTION(gpio, 0)), -}; - -static inline struct oxnas_gpio_bank *pctl_to_bank(struct oxnas_pinctrl *pctl, - unsigned int pin) -{ - return &pctl->gpio_banks[pin / PINS_PER_BANK]; -} - -static int oxnas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->ngroups; -} - -static const char *oxnas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, - unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->groups[group].name; -} - -static int oxnas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, - unsigned int group, - const unsigned int **pins, - unsigned int *num_pins) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *pins = &pctl->groups[group].pin; - *num_pins = 1; - - return 0; -} - -static const struct pinctrl_ops oxnas_pinctrl_ops = { - .get_groups_count = oxnas_pinctrl_get_groups_count, - .get_group_name = oxnas_pinctrl_get_group_name, - .get_group_pins = oxnas_pinctrl_get_group_pins, - .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, - .dt_free_map = pinctrl_utils_free_map, -}; - -static int oxnas_pinmux_get_functions_count(struct pinctrl_dev *pctldev) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->nfunctions; -} - -static const char * -oxnas_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned int func) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - return pctl->functions[func].name; -} - -static int oxnas_pinmux_get_function_groups(struct pinctrl_dev *pctldev, - unsigned int func, - const char * const **groups, - unsigned int * const num_groups) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - - *groups = pctl->functions[func].groups; - *num_groups = pctl->functions[func].ngroups; - - return 0; -} - -static int oxnas_ox810se_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - (pg->bank ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, - (functions->fct == 3 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox820_pinmux_enable(struct pinctrl_dev *pctldev, - unsigned int func, unsigned int group) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - const struct oxnas_pin_group *pg = &pctl->groups[group]; - const struct oxnas_function *pf = &pctl->functions[func]; - const char *fname = pf->name; - struct oxnas_desc_function *functions = pg->functions; - unsigned int offset = (pg->bank ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pg->pin); - - while (functions->name) { - if (!strcmp(functions->name, fname)) { - dev_dbg(pctl->dev, - "setting function %s bank %d pin %d fct %d mask %x\n", - fname, pg->bank, pg->pin, - functions->fct, mask); - - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_SECONDARY_SEL, - mask, - (functions->fct == 1 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_TERTIARY_SEL, - mask, - (functions->fct == 2 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_QUATERNARY_SEL, - mask, - (functions->fct == 3 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_DEBUG_SEL, - mask, - (functions->fct == 4 ? - mask : 0)); - regmap_write_bits(pctl->regmap, - offset + PINMUX_820_ALTERNATIVE_SEL, - mask, - (functions->fct == 5 ? - mask : 0)); - - return 0; - } - - functions++; - } - - dev_err(pctl->dev, "cannot mux pin %u to function %u\n", group, func); - - return -EINVAL; -} - -static int oxnas_ox810se_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PRIMARY_SEL1 : - PINMUX_810_PRIMARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_SECONDARY_SEL1 : - PINMUX_810_SECONDARY_SEL0), - mask, 0); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_TERTIARY_SEL1 : - PINMUX_810_TERTIARY_SEL0), - mask, 0); - - return 0; -} - -static int oxnas_ox820_gpio_request_enable(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = gpiochip_get_data(range->gc); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(offset - bank->gpio_chip.base); - - dev_dbg(pctl->dev, "requesting gpio %d in bank %d (id %d) with mask 0x%x\n", - offset, bank->gpio_chip.base, bank->id, mask); - - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_SECONDARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_TERTIARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_QUATERNARY_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_DEBUG_SEL, - mask, 0); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_ALTERNATIVE_SEL, - mask, 0); - - return 0; -} - -static int oxnas_gpio_get_direction(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask) - return GPIO_LINE_DIRECTION_OUT; - - return GPIO_LINE_DIRECTION_IN; -} - -static int oxnas_gpio_direction_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_CLEAR); - - return 0; -} - -static int oxnas_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - return (readl_relaxed(bank->reg_base + INPUT_VALUE) & mask) != 0; -} - -static void oxnas_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - if (value) - writel_relaxed(mask, bank->reg_base + OUTPUT_SET); - else - writel_relaxed(mask, bank->reg_base + OUTPUT_CLEAR); -} - -static int oxnas_gpio_direction_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(offset); - - oxnas_gpio_set(chip, offset, value); - writel_relaxed(mask, bank->reg_base + OUTPUT_EN_SET); - - return 0; -} - -static int oxnas_gpio_set_direction(struct pinctrl_dev *pctldev, - struct pinctrl_gpio_range *range, - unsigned int offset, bool input) -{ - struct gpio_chip *chip = range->gc; - - if (input) - oxnas_gpio_direction_input(chip, offset); - else - oxnas_gpio_direction_output(chip, offset, 0); - - return 0; -} - -static const struct pinmux_ops oxnas_ox810se_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox810se_pinmux_enable, - .gpio_request_enable = oxnas_ox810se_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static const struct pinmux_ops oxnas_ox820_pinmux_ops = { - .get_functions_count = oxnas_pinmux_get_functions_count, - .get_function_name = oxnas_pinmux_get_function_name, - .get_function_groups = oxnas_pinmux_get_function_groups, - .set_mux = oxnas_ox820_pinmux_enable, - .gpio_request_enable = oxnas_ox820_gpio_request_enable, - .gpio_set_direction = oxnas_gpio_set_direction, -}; - -static int oxnas_ox810se_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox820_pinconf_get(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *config) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param = pinconf_to_config_param(*config); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - u32 mask = BIT(pin - bank->gpio_chip.base); - int ret; - u32 arg; - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - ret = regmap_read(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - &arg); - if (ret) - return ret; - - arg = !!(arg & mask); - break; - default: - return -ENOTSUPP; - } - - *config = pinconf_to_config_packed(param, arg); - - return 0; -} - -static int oxnas_ox810se_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - (bank->id ? - PINMUX_810_PULLUP_CTRL1 : - PINMUX_810_PULLUP_CTRL0), - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static int oxnas_ox820_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long *configs, - unsigned int num_configs) -{ - struct oxnas_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); - struct oxnas_gpio_bank *bank = pctl_to_bank(pctl, pin); - unsigned int bank_offset = (bank->id ? PINMUX_820_BANK_OFFSET : 0); - unsigned int param; - unsigned int i; - u32 offset = pin - bank->gpio_chip.base; - u32 mask = BIT(offset); - - dev_dbg(pctl->dev, "setting pin %d bank %d mask 0x%x\n", - pin, bank->gpio_chip.base, mask); - - for (i = 0; i < num_configs; i++) { - param = pinconf_to_config_param(configs[i]); - - switch (param) { - case PIN_CONFIG_BIAS_PULL_UP: - dev_dbg(pctl->dev, " pullup\n"); - regmap_write_bits(pctl->regmap, - bank_offset + PINMUX_820_PULLUP_CTRL, - mask, mask); - break; - default: - dev_err(pctl->dev, "Property %u not supported\n", - param); - return -ENOTSUPP; - } - } - - return 0; -} - -static const struct pinconf_ops oxnas_ox810se_pinconf_ops = { - .pin_config_get = oxnas_ox810se_pinconf_get, - .pin_config_set = oxnas_ox810se_pinconf_set, - .is_generic = true, -}; - -static const struct pinconf_ops oxnas_ox820_pinconf_ops = { - .pin_config_get = oxnas_ox820_pinconf_get, - .pin_config_set = oxnas_ox820_pinconf_set, - .is_generic = true, -}; - -static void oxnas_gpio_irq_ack(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - u32 mask = BIT(data->hwirq); - - writel(mask, bank->reg_base + IRQ_PENDING); -} - -static void oxnas_gpio_irq_mask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) & ~mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) & ~mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static void oxnas_gpio_irq_unmask(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - struct oxnas_gpio_bank *bank = gpiochip_get_data(chip); - unsigned int type = irqd_get_trigger_type(data); - u32 mask = BIT(data->hwirq); - - if (type & IRQ_TYPE_EDGE_RISING) - writel(readl(bank->reg_base + RE_IRQ_ENABLE) | mask, - bank->reg_base + RE_IRQ_ENABLE); - - if (type & IRQ_TYPE_EDGE_FALLING) - writel(readl(bank->reg_base + FE_IRQ_ENABLE) | mask, - bank->reg_base + FE_IRQ_ENABLE); -} - -static unsigned int oxnas_gpio_irq_startup(struct irq_data *data) -{ - struct gpio_chip *chip = irq_data_get_irq_chip_data(data); - - oxnas_gpio_direction_input(chip, data->hwirq); - oxnas_gpio_irq_unmask(data); - - return 0; -} - -static int oxnas_gpio_irq_set_type(struct irq_data *data, unsigned int type) -{ - if ((type & (IRQ_TYPE_EDGE_RISING|IRQ_TYPE_EDGE_FALLING)) == 0) - return -EINVAL; - - irq_set_handler_locked(data, handle_edge_irq); - - return 0; -} - -static void oxnas_gpio_irq_handler(struct irq_desc *desc) -{ - struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct oxnas_gpio_bank *bank = gpiochip_get_data(gc); - struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned long stat; - unsigned int pin; - - chained_irq_enter(chip, desc); - - stat = readl(bank->reg_base + IRQ_PENDING); - - for_each_set_bit(pin, &stat, BITS_PER_LONG) - generic_handle_domain_irq(gc->irq.domain, pin); - - chained_irq_exit(chip, desc); -} - -#define GPIO_BANK(_bank) \ - { \ - .gpio_chip = { \ - .label = "GPIO" #_bank, \ - .request = gpiochip_generic_request, \ - .free = gpiochip_generic_free, \ - .get_direction = oxnas_gpio_get_direction, \ - .direction_input = oxnas_gpio_direction_input, \ - .direction_output = oxnas_gpio_direction_output, \ - .get = oxnas_gpio_get, \ - .set = oxnas_gpio_set, \ - .ngpio = PINS_PER_BANK, \ - .base = GPIO_BANK_START(_bank), \ - .owner = THIS_MODULE, \ - .can_sleep = 0, \ - }, \ - .irq_chip = { \ - .name = "GPIO" #_bank, \ - .irq_startup = oxnas_gpio_irq_startup, \ - .irq_ack = oxnas_gpio_irq_ack, \ - .irq_mask = oxnas_gpio_irq_mask, \ - .irq_unmask = oxnas_gpio_irq_unmask, \ - .irq_set_type = oxnas_gpio_irq_set_type, \ - }, \ - } - -static struct oxnas_gpio_bank oxnas_gpio_banks[] = { - GPIO_BANK(0), - GPIO_BANK(1), -}; - -static struct oxnas_pinctrl ox810se_pinctrl = { - .functions = oxnas_ox810se_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox810se_functions), - .groups = oxnas_ox810se_groups, - .ngroups = ARRAY_SIZE(oxnas_ox810se_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox810se_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox810se_pins, - .npins = ARRAY_SIZE(oxnas_ox810se_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox810se_pinmux_ops, - .confops = &oxnas_ox810se_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl ox820_pinctrl = { - .functions = oxnas_ox820_functions, - .nfunctions = ARRAY_SIZE(oxnas_ox820_functions), - .groups = oxnas_ox820_groups, - .ngroups = ARRAY_SIZE(oxnas_ox820_groups), - .gpio_banks = oxnas_gpio_banks, - .nbanks = ARRAY_SIZE(oxnas_gpio_banks), -}; - -static struct pinctrl_desc oxnas_ox820_pinctrl_desc = { - .name = "oxnas-pinctrl", - .pins = oxnas_ox820_pins, - .npins = ARRAY_SIZE(oxnas_ox820_pins), - .pctlops = &oxnas_pinctrl_ops, - .pmxops = &oxnas_ox820_pinmux_ops, - .confops = &oxnas_ox820_pinconf_ops, - .owner = THIS_MODULE, -}; - -static struct oxnas_pinctrl_data oxnas_ox810se_pinctrl_data = { - .desc = &oxnas_ox810se_pinctrl_desc, - .pctl = &ox810se_pinctrl, -}; - -static struct oxnas_pinctrl_data oxnas_ox820_pinctrl_data = { - .desc = &oxnas_ox820_pinctrl_desc, - .pctl = &ox820_pinctrl, -}; - -static const struct of_device_id oxnas_pinctrl_of_match[] = { - { .compatible = "oxsemi,ox810se-pinctrl", - .data = &oxnas_ox810se_pinctrl_data - }, - { .compatible = "oxsemi,ox820-pinctrl", - .data = &oxnas_ox820_pinctrl_data, - }, - { }, -}; - -static int oxnas_pinctrl_probe(struct platform_device *pdev) -{ - const struct of_device_id *id; - const struct oxnas_pinctrl_data *data; - struct oxnas_pinctrl *pctl; - - id = of_match_node(oxnas_pinctrl_of_match, pdev->dev.of_node); - if (!id) - return -ENODEV; - - data = id->data; - if (!data || !data->pctl || !data->desc) - return -EINVAL; - - pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL); - if (!pctl) - return -ENOMEM; - pctl->dev = &pdev->dev; - dev_set_drvdata(&pdev->dev, pctl); - - pctl->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, - "oxsemi,sys-ctrl"); - if (IS_ERR(pctl->regmap)) { - dev_err(&pdev->dev, "failed to get sys ctrl regmap\n"); - return -ENODEV; - } - - pctl->functions = data->pctl->functions; - pctl->nfunctions = data->pctl->nfunctions; - pctl->groups = data->pctl->groups; - pctl->ngroups = data->pctl->ngroups; - pctl->gpio_banks = data->pctl->gpio_banks; - pctl->nbanks = data->pctl->nbanks; - - pctl->pctldev = pinctrl_register(data->desc, &pdev->dev, pctl); - if (IS_ERR(pctl->pctldev)) { - dev_err(&pdev->dev, "Failed to register pinctrl device\n"); - return PTR_ERR(pctl->pctldev); - } - - return 0; -} - -static int oxnas_gpio_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct of_phandle_args pinspec; - struct oxnas_gpio_bank *bank; - unsigned int id, ngpios; - int irq, ret; - struct gpio_irq_chip *girq; - - if (of_parse_phandle_with_fixed_args(np, "gpio-ranges", - 3, 0, &pinspec)) { - dev_err(&pdev->dev, "gpio-ranges property not found\n"); - return -EINVAL; - } - - id = pinspec.args[1] / PINS_PER_BANK; - ngpios = pinspec.args[2]; - - if (id >= ARRAY_SIZE(oxnas_gpio_banks)) { - dev_err(&pdev->dev, "invalid gpio-ranges base arg\n"); - return -EINVAL; - } - - if (ngpios > PINS_PER_BANK) { - dev_err(&pdev->dev, "invalid gpio-ranges count arg\n"); - return -EINVAL; - } - - bank = &oxnas_gpio_banks[id]; - - bank->reg_base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(bank->reg_base)) - return PTR_ERR(bank->reg_base); - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - bank->id = id; - bank->gpio_chip.parent = &pdev->dev; - bank->gpio_chip.ngpio = ngpios; - girq = &bank->gpio_chip.irq; - girq->chip = &bank->irq_chip; - girq->parent_handler = oxnas_gpio_irq_handler; - girq->num_parents = 1; - girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), - GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; - girq->parents[0] = irq; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_level_irq; - - ret = gpiochip_add_data(&bank->gpio_chip, bank); - if (ret < 0) { - dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", - id, ret); - return ret; - } - - return 0; -} - -static struct platform_driver oxnas_pinctrl_driver = { - .driver = { - .name = "oxnas-pinctrl", - .of_match_table = oxnas_pinctrl_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_pinctrl_probe, -}; - -static const struct of_device_id oxnas_gpio_of_match[] = { - { .compatible = "oxsemi,ox810se-gpio", }, - { .compatible = "oxsemi,ox820-gpio", }, - { }, -}; - -static struct platform_driver oxnas_gpio_driver = { - .driver = { - .name = "oxnas-gpio", - .of_match_table = oxnas_gpio_of_match, - .suppress_bind_attrs = true, - }, - .probe = oxnas_gpio_probe, -}; - -static int __init oxnas_gpio_register(void) -{ - return platform_driver_register(&oxnas_gpio_driver); -} -arch_initcall(oxnas_gpio_register); - -static int __init oxnas_pinctrl_register(void) -{ - return platform_driver_register(&oxnas_pinctrl_driver); -} -arch_initcall(oxnas_pinctrl_register); From patchwork Fri Mar 31 08:34:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669907 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E934C6FD18 for ; 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Fri, 31 Mar 2023 01:35:03 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:52 +0200 Subject: [PATCH RFC 14/20] dt-bindings: pinctrl: oxnas,pinctrl: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-14-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 pinctrl bindings. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/pinctrl/oxnas,pinctrl.txt | 56 ---------------------- 1 file changed, 56 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt deleted file mode 100644 index b1159434f593..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/oxnas,pinctrl.txt +++ /dev/null @@ -1,56 +0,0 @@ -* Oxford Semiconductor OXNAS SoC Family Pin Controller - -Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and -../interrupt-controller/interrupts.txt for generic information regarding -pin controller, GPIO, and interrupt bindings. - -OXNAS 'pin configuration node' is a node of a group of pins which can be -used for a specific device or function. This node represents configurations of -pins, optional function, and optional mux related configuration. - -Required properties for pin controller node: - - compatible: "oxsemi,ox810se-pinctrl" or "oxsemi,ox820-pinctrl" - - oxsemi,sys-ctrl: a phandle to the system controller syscon node - -Required properties for pin configuration sub-nodes: - - pins: List of pins to which the configuration applies. - -Optional properties for pin configuration sub-nodes: ----------------------------------------------------- - - function: Mux function for the specified pins. - - bias-pull-up: Enable weak pull-up. - -Example: - -pinctrl: pinctrl { - compatible = "oxsemi,ox810se-pinctrl"; - - /* Regmap for sys registers */ - oxsemi,sys-ctrl = <&sys>; - - pinctrl_uart2: pinctrl_uart2 { - uart2a { - pins = "gpio31"; - function = "fct3"; - }; - uart2b { - pins = "gpio32"; - function = "fct3"; - }; - }; -}; - -uart2: serial@900000 { - compatible = "ns16550a"; - reg = <0x900000 0x100000>; - clocks = <&sysclk>; - interrupts = <29>; - reg-shift = <0>; - fifo-size = <16>; - reg-io-width = <1>; - current-speed = <115200>; - no-loopback-test; - resets = <&reset 22>; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_uart2>; -}; From patchwork Fri Mar 31 08:34:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669299 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F528C77B6D for ; Fri, 31 Mar 2023 08:37:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231767AbjCaIh3 (ORCPT ); Fri, 31 Mar 2023 04:37:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231766AbjCaIgs (ORCPT ); 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Fri, 31 Mar 2023 01:35:04 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:53 +0200 Subject: [PATCH RFC 15/20] dt-bindings: gpio: gpio_oxnas: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-15-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove the OX810 and OX820 gpio bindings. Signed-off-by: Neil Armstrong Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/gpio/gpio_oxnas.txt | 47 ---------------------- 1 file changed, 47 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt b/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt deleted file mode 100644 index 966514744df4..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio_oxnas.txt +++ /dev/null @@ -1,47 +0,0 @@ -* Oxford Semiconductor OXNAS SoC GPIO Controller - -Please refer to gpio.txt for generic information regarding GPIO bindings. - -Required properties: - - compatible: "oxsemi,ox810se-gpio" or "oxsemi,ox820-gpio" - - reg: Base address and length for the device. - - interrupts: The port interrupt shared by all pins. - - gpio-controller: Marks the port as GPIO controller. - - #gpio-cells: Two. The first cell is the pin number and - the second cell is used to specify the gpio polarity as defined in - defined in : - 0 = GPIO_ACTIVE_HIGH - 1 = GPIO_ACTIVE_LOW - - interrupt-controller: Marks the device node as an interrupt controller. - - #interrupt-cells: Two. The first cell is the GPIO number and second cell - is used to specify the trigger type as defined in - : - IRQ_TYPE_EDGE_RISING - IRQ_TYPE_EDGE_FALLING - IRQ_TYPE_EDGE_BOTH - - gpio-ranges: Interaction with the PINCTRL subsystem, it also specifies the - gpio base and count, should be in the format of numeric-gpio-range as - specified in the gpio.txt file. - -Example: - -gpio0: gpio@0 { - compatible = "oxsemi,ox810se-gpio"; - reg = <0x000000 0x100000>; - interrupts = <21>; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - gpio-ranges = <&pinctrl 0 0 32>; -}; - -keys { - ... - - button-esc { - label = "ESC"; - linux,code = <1>; - gpios = <&gpio0 12 0>; - }; -}; From patchwork Fri Mar 31 08:34:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669908 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7078C77B6F for ; Fri, 31 Mar 2023 08:36:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231778AbjCaIgw (ORCPT ); Fri, 31 Mar 2023 04:36:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231779AbjCaIgR (ORCPT ); Fri, 31 Mar 2023 04:36:17 -0400 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FC7D1C1F4 for ; Fri, 31 Mar 2023 01:35:07 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id r11so21577631wrr.12 for ; Fri, 31 Mar 2023 01:35:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251706; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=sR14Pzk1ZWPhY5OD69Rj27prrk3LKbGiHay2FBxMcv4=; b=Fty/aJcYkFZEKr2metM5EqkEKq17l5gJGQix+tZCxMOlAKB1AMO/oIkTZt9URAowwf RWICJqsjkouqcMT9vmE8IfKQP/DHvv9UkXQRhxf1Q+mimQtH5cxG/PhbPnk9w1TLrlYA AT8hUgqpZZAhjexFXTVWXk7iDen88KQTq1xUn9G6YnJTv4noraV6PymxxUwt1fBqooou HQcSuX+pCi41nBC6SYZ0CEIxhTt/9F6IwxjYEtO3fybv47zKTSc43Sy/DwIzgnv6/5km N5ydK4H27c9gO2NPO/42s0zygtKswLo05pSB9tKxjIogSH3waXuYQbnc4SyFxThsFPss UMTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251706; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sR14Pzk1ZWPhY5OD69Rj27prrk3LKbGiHay2FBxMcv4=; b=J8AAt1fRIhRnCZKCEPnIcmOAsO01RDQZwIcarFOlee660pTnf3m2A/ASOw3JEHx/3M b/cLT7jw/6RcRVeYfSoYu+9Ri0yHSja4q6T88eNgiSY2JCZXLU8J1SLlLiwGFAtPzF/V 2zNNmJ0WOJI7vdMskofoSBE+TMw3pDkDnhDph6zWdz3iTpLZwbbZz5IMLEKF+hOwxP4l aeDuJXP9I91utIcXYoEXFrD9Y5goy3A+zr+CRYX2ng6IB9EsYW8SEukk0IegqN4kDtrR /5Aw52kVWyON/esCJiVNGhHz2ma9c91YJ0fCw3qw1yZET/ded0aEkt1fD6KQRZRZ7Q5G eWEw== X-Gm-Message-State: AAQBX9d4sswzHScCE7um/dRRh1srNQp6VBZjxhxxfIV8J+PMQ0Utk9vz n+ZbafiI7F1QycVZgscQDwAOrw== X-Google-Smtp-Source: AKy350YkNKUXMSjTTKKpy6c26g6vAz/W5xiVHdg7Pfywz18Z1jB2OllrAaU4jJjzL55BSkouJUd0zA== X-Received: by 2002:adf:ed8c:0:b0:2cf:e868:f781 with SMTP id c12-20020adfed8c000000b002cfe868f781mr18949949wro.42.1680251706543; Fri, 31 Mar 2023 01:35:06 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.35.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:35:06 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:54 +0200 Subject: [PATCH RFC 16/20] power: reset: oxnas-restart: remove obsolete restart driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-16-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 restart feature. Signed-off-by: Neil Armstrong --- drivers/power/reset/Kconfig | 7 -- drivers/power/reset/Makefile | 1 - drivers/power/reset/oxnas-restart.c | 233 ------------------------------------ 3 files changed, 241 deletions(-) diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 8c87eeda0fec..cc734c1fe4c0 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -148,13 +148,6 @@ config POWER_RESET_ODROID_GO_ULTRA_POWEROFF help This driver supports Power off for Odroid Go Ultra device. -config POWER_RESET_OXNAS - bool "OXNAS SoC restart driver" - depends on ARCH_OXNAS - default MACH_OX820 - help - Restart support for OXNAS/PLXTECH OX820 SoC. - config POWER_RESET_PIIX4_POWEROFF tristate "Intel PIIX4 power-off driver" depends on PCI diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index d763e6735ee3..a95d1bd275d1 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_POWER_RESET_HISI) += hisi-reboot.o obj-$(CONFIG_POWER_RESET_LINKSTATION) += linkstation-poweroff.o obj-$(CONFIG_POWER_RESET_MSM) += msm-poweroff.o obj-$(CONFIG_POWER_RESET_MT6323) += mt6323-poweroff.o -obj-$(CONFIG_POWER_RESET_OXNAS) += oxnas-restart.o obj-$(CONFIG_POWER_RESET_QCOM_PON) += qcom-pon.o obj-$(CONFIG_POWER_RESET_OCELOT_RESET) += ocelot-reset.o obj-$(CONFIG_POWER_RESET_ODROID_GO_ULTRA_POWEROFF) += odroid-go-ultra-poweroff.o diff --git a/drivers/power/reset/oxnas-restart.c b/drivers/power/reset/oxnas-restart.c deleted file mode 100644 index 13090bec058a..000000000000 --- a/drivers/power/reset/oxnas-restart.c +++ /dev/null @@ -1,233 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0) -/* - * oxnas SoC reset driver - * based on: - * Microsemi MIPS SoC reset driver - * and ox820_assert_system_reset() written by Ma Hajun - * - * Copyright (c) 2013 Ma Hajun - * Copyright (c) 2017 Microsemi Corporation - * Copyright (c) 2020 Daniel Golle - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* bit numbers of reset control register */ -#define OX820_SYS_CTRL_RST_SCU 0 -#define OX820_SYS_CTRL_RST_COPRO 1 -#define OX820_SYS_CTRL_RST_ARM0 2 -#define OX820_SYS_CTRL_RST_ARM1 3 -#define OX820_SYS_CTRL_RST_USBHS 4 -#define OX820_SYS_CTRL_RST_USBHSPHYA 5 -#define OX820_SYS_CTRL_RST_MACA 6 -#define OX820_SYS_CTRL_RST_MAC OX820_SYS_CTRL_RST_MACA -#define OX820_SYS_CTRL_RST_PCIEA 7 -#define OX820_SYS_CTRL_RST_SGDMA 8 -#define OX820_SYS_CTRL_RST_CIPHER 9 -#define OX820_SYS_CTRL_RST_DDR 10 -#define OX820_SYS_CTRL_RST_SATA 11 -#define OX820_SYS_CTRL_RST_SATA_LINK 12 -#define OX820_SYS_CTRL_RST_SATA_PHY 13 -#define OX820_SYS_CTRL_RST_PCIEPHY 14 -#define OX820_SYS_CTRL_RST_STATIC 15 -#define OX820_SYS_CTRL_RST_GPIO 16 -#define OX820_SYS_CTRL_RST_UART1 17 -#define OX820_SYS_CTRL_RST_UART2 18 -#define OX820_SYS_CTRL_RST_MISC 19 -#define OX820_SYS_CTRL_RST_I2S 20 -#define OX820_SYS_CTRL_RST_SD 21 -#define OX820_SYS_CTRL_RST_MACB 22 -#define OX820_SYS_CTRL_RST_PCIEB 23 -#define OX820_SYS_CTRL_RST_VIDEO 24 -#define OX820_SYS_CTRL_RST_DDR_PHY 25 -#define OX820_SYS_CTRL_RST_USBHSPHYB 26 -#define OX820_SYS_CTRL_RST_USBDEV 27 -#define OX820_SYS_CTRL_RST_ARMDBG 29 -#define OX820_SYS_CTRL_RST_PLLA 30 -#define OX820_SYS_CTRL_RST_PLLB 31 - -/* bit numbers of clock control register */ -#define OX820_SYS_CTRL_CLK_COPRO 0 -#define OX820_SYS_CTRL_CLK_DMA 1 -#define OX820_SYS_CTRL_CLK_CIPHER 2 -#define OX820_SYS_CTRL_CLK_SD 3 -#define OX820_SYS_CTRL_CLK_SATA 4 -#define OX820_SYS_CTRL_CLK_I2S 5 -#define OX820_SYS_CTRL_CLK_USBHS 6 -#define OX820_SYS_CTRL_CLK_MACA 7 -#define OX820_SYS_CTRL_CLK_MAC OX820_SYS_CTRL_CLK_MACA -#define OX820_SYS_CTRL_CLK_PCIEA 8 -#define OX820_SYS_CTRL_CLK_STATIC 9 -#define OX820_SYS_CTRL_CLK_MACB 10 -#define OX820_SYS_CTRL_CLK_PCIEB 11 -#define OX820_SYS_CTRL_CLK_REF600 12 -#define OX820_SYS_CTRL_CLK_USBDEV 13 -#define OX820_SYS_CTRL_CLK_DDR 14 -#define OX820_SYS_CTRL_CLK_DDRPHY 15 -#define OX820_SYS_CTRL_CLK_DDRCK 16 - -/* Regmap offsets */ -#define OX820_CLK_SET_REGOFFSET 0x2c -#define OX820_CLK_CLR_REGOFFSET 0x30 -#define OX820_RST_SET_REGOFFSET 0x34 -#define OX820_RST_CLR_REGOFFSET 0x38 -#define OX820_SECONDARY_SEL_REGOFFSET 0x14 -#define OX820_TERTIARY_SEL_REGOFFSET 0x8c -#define OX820_QUATERNARY_SEL_REGOFFSET 0x94 -#define OX820_DEBUG_SEL_REGOFFSET 0x9c -#define OX820_ALTERNATIVE_SEL_REGOFFSET 0xa4 -#define OX820_PULLUP_SEL_REGOFFSET 0xac -#define OX820_SEC_SECONDARY_SEL_REGOFFSET 0x100014 -#define OX820_SEC_TERTIARY_SEL_REGOFFSET 0x10008c -#define OX820_SEC_QUATERNARY_SEL_REGOFFSET 0x100094 -#define OX820_SEC_DEBUG_SEL_REGOFFSET 0x10009c -#define OX820_SEC_ALTERNATIVE_SEL_REGOFFSET 0x1000a4 -#define OX820_SEC_PULLUP_SEL_REGOFFSET 0x1000ac - -struct oxnas_restart_context { - struct regmap *sys_ctrl; - struct notifier_block restart_handler; -}; - -static int ox820_restart_handle(struct notifier_block *this, - unsigned long mode, void *cmd) -{ - struct oxnas_restart_context *ctx = container_of(this, struct - oxnas_restart_context, - restart_handler); - u32 value; - - /* - * Assert reset to cores as per power on defaults - * Don't touch the DDR interface as things will come to an impromptu - * stop NB Possibly should be asserting reset for PLLB, but there are - * timing concerns here according to the docs - */ - value = BIT(OX820_SYS_CTRL_RST_COPRO) | - BIT(OX820_SYS_CTRL_RST_USBHS) | - BIT(OX820_SYS_CTRL_RST_USBHSPHYA) | - BIT(OX820_SYS_CTRL_RST_MACA) | - BIT(OX820_SYS_CTRL_RST_PCIEA) | - BIT(OX820_SYS_CTRL_RST_SGDMA) | - BIT(OX820_SYS_CTRL_RST_CIPHER) | - BIT(OX820_SYS_CTRL_RST_SATA) | - BIT(OX820_SYS_CTRL_RST_SATA_LINK) | - BIT(OX820_SYS_CTRL_RST_SATA_PHY) | - BIT(OX820_SYS_CTRL_RST_PCIEPHY) | - BIT(OX820_SYS_CTRL_RST_STATIC) | - BIT(OX820_SYS_CTRL_RST_UART1) | - BIT(OX820_SYS_CTRL_RST_UART2) | - BIT(OX820_SYS_CTRL_RST_MISC) | - BIT(OX820_SYS_CTRL_RST_I2S) | - BIT(OX820_SYS_CTRL_RST_SD) | - BIT(OX820_SYS_CTRL_RST_MACB) | - BIT(OX820_SYS_CTRL_RST_PCIEB) | - BIT(OX820_SYS_CTRL_RST_VIDEO) | - BIT(OX820_SYS_CTRL_RST_USBHSPHYB) | - BIT(OX820_SYS_CTRL_RST_USBDEV); - - regmap_write(ctx->sys_ctrl, OX820_RST_SET_REGOFFSET, value); - - /* Release reset to cores as per power on defaults */ - regmap_write(ctx->sys_ctrl, OX820_RST_CLR_REGOFFSET, - BIT(OX820_SYS_CTRL_RST_GPIO)); - - /* - * Disable clocks to cores as per power-on defaults - must leave DDR - * related clocks enabled otherwise we'll stop rather abruptly. - */ - value = BIT(OX820_SYS_CTRL_CLK_COPRO) | - BIT(OX820_SYS_CTRL_CLK_DMA) | - BIT(OX820_SYS_CTRL_CLK_CIPHER) | - BIT(OX820_SYS_CTRL_CLK_SD) | - BIT(OX820_SYS_CTRL_CLK_SATA) | - BIT(OX820_SYS_CTRL_CLK_I2S) | - BIT(OX820_SYS_CTRL_CLK_USBHS) | - BIT(OX820_SYS_CTRL_CLK_MAC) | - BIT(OX820_SYS_CTRL_CLK_PCIEA) | - BIT(OX820_SYS_CTRL_CLK_STATIC) | - BIT(OX820_SYS_CTRL_CLK_MACB) | - BIT(OX820_SYS_CTRL_CLK_PCIEB) | - BIT(OX820_SYS_CTRL_CLK_REF600) | - BIT(OX820_SYS_CTRL_CLK_USBDEV); - - regmap_write(ctx->sys_ctrl, OX820_CLK_CLR_REGOFFSET, value); - - /* Enable clocks to cores as per power-on defaults */ - - /* Set sys-control pin mux'ing as per power-on defaults */ - regmap_write(ctx->sys_ctrl, OX820_SECONDARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_TERTIARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_QUATERNARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_DEBUG_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_ALTERNATIVE_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_PULLUP_SEL_REGOFFSET, 0); - - regmap_write(ctx->sys_ctrl, OX820_SEC_SECONDARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_SEC_TERTIARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_SEC_QUATERNARY_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_SEC_DEBUG_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_SEC_ALTERNATIVE_SEL_REGOFFSET, 0); - regmap_write(ctx->sys_ctrl, OX820_SEC_PULLUP_SEL_REGOFFSET, 0); - - /* - * No need to save any state, as the ROM loader can determine whether - * reset is due to power cycling or programatic action, just hit the - * (self-clearing) CPU reset bit of the block reset register - */ - value = - BIT(OX820_SYS_CTRL_RST_SCU) | - BIT(OX820_SYS_CTRL_RST_ARM0) | - BIT(OX820_SYS_CTRL_RST_ARM1); - - regmap_write(ctx->sys_ctrl, OX820_RST_SET_REGOFFSET, value); - - pr_emerg("Unable to restart system\n"); - return NOTIFY_DONE; -} - -static int ox820_restart_probe(struct platform_device *pdev) -{ - struct oxnas_restart_context *ctx; - struct regmap *sys_ctrl; - struct device *dev = &pdev->dev; - int err = 0; - - sys_ctrl = syscon_node_to_regmap(pdev->dev.of_node); - if (IS_ERR(sys_ctrl)) - return PTR_ERR(sys_ctrl); - - ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; - - ctx->sys_ctrl = sys_ctrl; - ctx->restart_handler.notifier_call = ox820_restart_handle; - ctx->restart_handler.priority = 192; - err = register_restart_handler(&ctx->restart_handler); - if (err) - dev_err(dev, "can't register restart notifier (err=%d)\n", err); - - return err; -} - -static const struct of_device_id ox820_restart_of_match[] = { - { .compatible = "oxsemi,ox820-sys-ctrl" }, - {} -}; - -static struct platform_driver ox820_restart_driver = { - .probe = ox820_restart_probe, - .driver = { - .name = "ox820-chip-reset", - .of_match_table = ox820_restart_of_match, - }, -}; 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Fri, 31 Mar 2023 01:35:07 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:55 +0200 Subject: [PATCH RFC 17/20] reset: oxnas: remove obsolete reset driver MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-17-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 peripheral reset. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/reset/oxnas,reset.txt | 32 ------ drivers/reset/Kconfig | 3 - drivers/reset/Makefile | 1 - drivers/reset/reset-oxnas.c | 114 --------------------- 4 files changed, 150 deletions(-) diff --git a/Documentation/devicetree/bindings/reset/oxnas,reset.txt b/Documentation/devicetree/bindings/reset/oxnas,reset.txt deleted file mode 100644 index d27ccb5d04fc..000000000000 --- a/Documentation/devicetree/bindings/reset/oxnas,reset.txt +++ /dev/null @@ -1,32 +0,0 @@ -Oxford Semiconductor OXNAS SoC Family RESET Controller -================================================ - -Please also refer to reset.txt in this directory for common reset -controller binding usage. - -Required properties: -- compatible: For OX810SE, should be "oxsemi,ox810se-reset" - For OX820, should be "oxsemi,ox820-reset" -- #reset-cells: 1, see below - -Parent node should have the following properties : -- compatible: For OX810SE, should be : - "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd" - For OX820, should be : - "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd" - -Reset indices are in dt-bindings include files : -- For OX810SE: include/dt-bindings/reset/oxsemi,ox810se.h -- For OX820: include/dt-bindings/reset/oxsemi,ox820.h - -example: - -sys: sys-ctrl@000000 { - compatible = "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd"; - reg = <0x000000 0x100000>; - - reset: reset-controller { - compatible = "oxsemi,ox810se-reset"; - #reset-cells = <1>; - }; -}; diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 2a52c990d4fe..695419d888ab 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -143,9 +143,6 @@ config RESET_NPCM This enables the reset controller driver for Nuvoton NPCM BMC SoCs. -config RESET_OXNAS - bool - config RESET_PISTACHIO bool "Pistachio Reset Driver" depends on MIPS || COMPILE_TEST diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 3e7e5fd633a8..cb1f229e20a6 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -20,7 +20,6 @@ obj-$(CONFIG_RESET_MCHP_SPARX5) += reset-microchip-sparx5.o obj-$(CONFIG_RESET_MESON) += reset-meson.o obj-$(CONFIG_RESET_MESON_AUDIO_ARB) += reset-meson-audio-arb.o obj-$(CONFIG_RESET_NPCM) += reset-npcm.o -obj-$(CONFIG_RESET_OXNAS) += reset-oxnas.o obj-$(CONFIG_RESET_PISTACHIO) += reset-pistachio.o obj-$(CONFIG_RESET_POLARFIRE_SOC) += reset-mpfs.o obj-$(CONFIG_RESET_QCOM_AOSS) += reset-qcom-aoss.o diff --git a/drivers/reset/reset-oxnas.c b/drivers/reset/reset-oxnas.c deleted file mode 100644 index 8209f922dc16..000000000000 --- a/drivers/reset/reset-oxnas.c +++ /dev/null @@ -1,114 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor Reset Controller driver - * - * Copyright (C) 2016 Neil Armstrong - * Copyright (C) 2014 Ma Haijun - * Copyright (C) 2009 Oxford Semiconductor Ltd - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* Regmap offsets */ -#define RST_SET_REGOFFSET 0x34 -#define RST_CLR_REGOFFSET 0x38 - -struct oxnas_reset { - struct regmap *regmap; - struct reset_controller_dev rcdev; -}; - -static int oxnas_reset_reset(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_SET_REGOFFSET, BIT(id)); - msleep(50); - regmap_write(data->regmap, RST_CLR_REGOFFSET, BIT(id)); - - return 0; -} - -static int oxnas_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_SET_REGOFFSET, BIT(id)); - - return 0; -} - -static int oxnas_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_CLR_REGOFFSET, BIT(id)); - - return 0; -} - -static const struct reset_control_ops oxnas_reset_ops = { - .reset = oxnas_reset_reset, - .assert = oxnas_reset_assert, - .deassert = oxnas_reset_deassert, -}; - -static const struct of_device_id oxnas_reset_dt_ids[] = { - { .compatible = "oxsemi,ox810se-reset", }, - { .compatible = "oxsemi,ox820-reset", }, - { /* sentinel */ }, -}; - -static int oxnas_reset_probe(struct platform_device *pdev) -{ - struct oxnas_reset *data; - struct device *parent; - - parent = pdev->dev.parent; - if (!parent) { - dev_err(&pdev->dev, "no parent\n"); - return -ENODEV; - } - - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->regmap = syscon_node_to_regmap(parent->of_node); - if (IS_ERR(data->regmap)) { - dev_err(&pdev->dev, "failed to get parent regmap\n"); - return PTR_ERR(data->regmap); - } - - platform_set_drvdata(pdev, data); - - data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = 32; - data->rcdev.ops = &oxnas_reset_ops; - data->rcdev.of_node = pdev->dev.of_node; - - return devm_reset_controller_register(&pdev->dev, &data->rcdev); -} - -static struct platform_driver oxnas_reset_driver = { - .probe = oxnas_reset_probe, - .driver = { - .name = "oxnas-reset", - .of_match_table = oxnas_reset_dt_ids, - }, -}; -builtin_platform_driver(oxnas_reset_driver); From patchwork Fri Mar 31 08:34:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669300 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31E0FC76196 for ; Fri, 31 Mar 2023 08:37:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231694AbjCaIhE (ORCPT ); Fri, 31 Mar 2023 04:37:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231706AbjCaIgT (ORCPT ); Fri, 31 Mar 2023 04:36:19 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3BA01CBA8 for ; 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Fri, 31 Mar 2023 01:35:09 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:56 +0200 Subject: [PATCH RFC 18/20] irqchip: irq-versatile-fpga: remove obsolete oxnas compatible MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-18-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove support for OX810 and OX820 IRQ controller. Signed-off-by: Neil Armstrong --- drivers/irqchip/irq-versatile-fpga.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index ba543ed9c154..5018a06060e6 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -242,5 +242,4 @@ static int __init fpga_irq_of_init(struct device_node *node, } IRQCHIP_DECLARE(arm_fpga, "arm,versatile-fpga-irq", fpga_irq_of_init); IRQCHIP_DECLARE(arm_fpga_sic, "arm,versatile-sic", fpga_irq_of_init); -IRQCHIP_DECLARE(ox810se_rps, "oxsemi,ox810se-rps-irq", fpga_irq_of_init); #endif From patchwork Fri Mar 31 08:34:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669298 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09DA8C77B62 for ; Fri, 31 Mar 2023 08:38:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231923AbjCaIh5 (ORCPT ); Fri, 31 Mar 2023 04:37:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231329AbjCaIhG (ORCPT ); Fri, 31 Mar 2023 04:37:06 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49ED71D90E for ; Fri, 31 Mar 2023 01:35:35 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id h17so21571492wrt.8 for ; Fri, 31 Mar 2023 01:35:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251711; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=5S8DS7MwX0eSMjECdngcIupXRvdIfBFKmoZZhwAEom0=; b=tnfnYtQdWHkb+imXQ5cdS0qz5r299xH4jhkGPSnNJ2hyhvDgzphIZ+JrRafIpmAM9p AYZ75Po2o2Z0SH8MZ2PJlbzGo/n61VmC8VnuZ2JuYUqUV2XrQWwn3l07chxkJqnSXjPP 5f1CEgxiSVpvn2h1nzoHxbtdANfxsiKSj6kGo5Gn+zXB98k4Ll0nq2FYEQMcqg9qKycl SaFHJ31SA4vogcCrvZnJv61gFMikTvHDNS7J+H+by9jPFBPOVQx/EaIZbfwOl1I2Oqqc 0h4V53L2ZH7bwDuc5XrqWaqkZAcFFMRby1EyH50XYnZmPSj9SLb8FRQWZxdM2RBBTVHm BCmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251711; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=5S8DS7MwX0eSMjECdngcIupXRvdIfBFKmoZZhwAEom0=; b=jFCTYIe13wnKPQPhGLgXQvBm7jY7XPgs+2oZXBUAQYsUe+m50OaP6/9EhVaG/j2zje vWQce1dRT7Wf1jdHDPJzvCmOAZQO4KS33ct4uRoa0In3WqdwBaK6iSQ7jN3LJlbDA9dR Let60U1qKpdW5BzXIoCYVrZpimemdws4LRaBokzrK8BUeY7G/sbf5T+zR7k7PRLJDe1U geuatdw8nIbhInu0LZChA36/2HqLb03Nu7zr/JS8+cGSiG9C+1UAjVK/x99FtArzmnq7 QPSGKN9PPh5ez/rU3NDIFyJKdJujlDqJbSzPOnGmLL8Ee8iL0Wqnam8pG6OXq1UshCgk gsDQ== X-Gm-Message-State: AAQBX9cZth0/Z0jgnqt9lgqCHJsP8feSa+/MVNckFtpxtqBatZ+9PGYc mXbqbP7kWwHlsXHZKRW3QTl8GQ== X-Google-Smtp-Source: AKy350bVO2xvOdcujlPweNogfEF/aS/RwRjRN7oD1rhoaEfLODuiLQvDCF4zUxggrf8oM3l2ae/tZg== X-Received: by 2002:adf:fa09:0:b0:2dd:cb8:2299 with SMTP id m9-20020adffa09000000b002dd0cb82299mr20102833wrr.11.1680251710872; Fri, 31 Mar 2023 01:35:10 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.35.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:35:10 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:57 +0200 Subject: [PATCH RFC 19/20] dt-bindings: interrupt-controller: arm,versatile-fpga-irq: mark oxnas compatible as deprecated MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-19-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, mark the OX810 and OX820 IRQ compatible as deprecated. Signed-off-by: Neil Armstrong Acked-by: Krzysztof Kozlowski --- .../bindings/interrupt-controller/arm,versatile-fpga-irq.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt index 2a1d16bdf834..ea939f54c5eb 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,versatile-fpga-irq.txt @@ -6,7 +6,7 @@ controllers are OR:ed together and fed to the CPU tile's IRQ input. Each instance can handle up to 32 interrupts. Required properties: -- compatible: "arm,versatile-fpga-irq" or "oxsemi,ox810se-rps-irq" +- compatible: "arm,versatile-fpga-irq" - interrupt-controller: Identifies the node as an interrupt controller - #interrupt-cells: The number of cells to define the interrupts. Must be 1 as the FPGA IRQ controller has no configuration options for interrupt @@ -19,6 +19,8 @@ Required properties: the system till not make it possible for devices to request these interrupts. +The "oxsemi,ox810se-rps-irq" compatible is deprecated. + Example: pic: pic@14000000 { From patchwork Fri Mar 31 08:34:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 669905 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 956A7C6FD18 for ; Fri, 31 Mar 2023 08:38:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231929AbjCaIiN (ORCPT ); Fri, 31 Mar 2023 04:38:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231863AbjCaIhO (ORCPT ); Fri, 31 Mar 2023 04:37:14 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A6351D922 for ; Fri, 31 Mar 2023 01:35:37 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id d17so21571181wrb.11 for ; Fri, 31 Mar 2023 01:35:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680251712; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Lfco65EqQfHZJxTK1kxWA78ZamfCWUWZKPHL0Bp1xH4=; b=SqOTTD4EeiNGBszaNOzDLqviTo9jI0ZhAKSeRT3l5LeAaBvHoV1VbnUiNYxQjrF5S5 UUujdXiQCveG/Iy+PsAnxgkKeorfMhJAmQ2J1mYgkX8eg020zgf6nL/f/EExNZqkpRUx XcdDXQ5bnCtHLOcSYFcdnuXeE9b+QxZG2/mH1nfNDIA7j4YtTmk1Al3zY4k3rR5puTQU l2NatRLdUPmY31rjFWxbQkcwmbAI5FXvErZOPP+aB0G/SM/9J1u6rMIIFKuvCVysu2q3 VMSa4Jt860AaDpWD2pjM4fb8tv0/a2sxwe3l0seQy7PhpYace6EYCoZskI6VrPmid9Ji W8oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680251712; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Lfco65EqQfHZJxTK1kxWA78ZamfCWUWZKPHL0Bp1xH4=; b=IkI/gWgw/Sf/7k5JLAZ0z9uUlnMSDwPPNIL28ppeT85f6/kVK0FSWB2rKrmwJ9kHm2 vrxUO9bBvi8iSjPJxT4ra8t2GIN9Bqm42q1xw5VChAz5KKCVe1JlVeKhq93bAaJOmsa4 nSr3LtjBsZXTfSJ5JirDX4JIHaPfEqO5qa51iNjDD1z8CiKf/x2MHUFqX3M8/ir66zj5 QwK6ijDHbdDGyoLA5PQAwZ581xlj/4I5LZf0QPni1TD2WhY3+kIb+HsU2rcz2+ZyOt3n m5zVZdeVqY+xJyh0++UbCCj/q3gr9Nv+PfFQFohPG6Y51QitG5QMqWQNMI+t6dGARrgR Ji+A== X-Gm-Message-State: AAQBX9cJnfcwx2WL6BZLORmHe9UqbMeiaj3DBREQummR7lWbu+4KFuZN Y/+ih1sxbL5Y7pgj1qQyA61qNg== X-Google-Smtp-Source: AKy350YfLJVXZRDyUNg84s43q40a428Zli09J7iKvodwvFp3SatohdxhFRTG46DXiPWYNxkqIkfYZA== X-Received: by 2002:adf:f348:0:b0:2d7:9206:488d with SMTP id e8-20020adff348000000b002d79206488dmr20315336wrp.36.1680251712356; Fri, 31 Mar 2023 01:35:12 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id e11-20020a5d4e8b000000b002cde626cd96sm1563153wru.65.2023.03.31.01.35.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Mar 2023 01:35:11 -0700 (PDT) From: Neil Armstrong Date: Fri, 31 Mar 2023 10:34:58 +0200 Subject: [PATCH RFC 20/20] MAINTAINERS: remove OXNAS entry MIME-Version: 1.0 Message-Id: <20230331-topic-oxnas-upstream-remove-v1-20-5bd58fd1dd1f@linaro.org> References: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> In-Reply-To: <20230331-topic-oxnas-upstream-remove-v1-0-5bd58fd1dd1f@linaro.org> To: Arnd Bergmann , Olof Johansson , soc@kernel.org, Rob Herring , Krzysztof Kozlowski , Russell King , Michael Turquette , Stephen Boyd , Daniel Lezcano , Thomas Gleixner , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Philipp Zabel , Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.1 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintainance and stall of development for a few years now, and since no new features will ever be added upstream, remove MAINTAINERS entry for OXNAS files. Signed-off-by: Neil Armstrong --- MAINTAINERS | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 8d5bc223f305..c9a29d839ea2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2551,16 +2551,6 @@ S: Maintained W: http://www.digriz.org.uk/ts78xx/kernel F: arch/arm/mach-orion5x/ts78xx-* -ARM/OXNAS platform support -M: Neil Armstrong -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -L: linux-oxnas@groups.io (moderated for non-subscribers) -S: Maintained -F: arch/arm/boot/dts/ox8*.dts* -F: arch/arm/mach-oxnas/ -F: drivers/power/reset/oxnas-restart.c -N: oxnas - ARM/QUALCOMM SUPPORT M: Andy Gross M: Bjorn Andersson