From patchwork Mon Aug 14 08:16:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 714195 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 E59EDC04E69 for ; Mon, 14 Aug 2023 08:17:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231194AbjHNIRJ (ORCPT ); Mon, 14 Aug 2023 04:17:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234423AbjHNIQw (ORCPT ); Mon, 14 Aug 2023 04:16:52 -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 2E925115 for ; Mon, 14 Aug 2023 01:16:48 -0700 (PDT) Received: by mail-wr1-x430.google.com with SMTP id ffacd0b85a97d-3196fdb3238so1175334f8f.2 for ; Mon, 14 Aug 2023 01:16:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692001006; x=1692605806; 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=giAr4p7OXdxPk8rPghrXzG860URr2i+oAKWFOJ/jVV8=; b=E+98SCKgbr/rx7ggvOWc80EE/W0V4/V5ZMRMY5J7jc90BUrHMLYcPtfpXr52lMZdsj +4E9NQuaMNuKZsf4d8zinBrpQ5fCk7SEglXhVtmFJtBTm4a5frRfNpRuX23uJ/YXBYKd WDu8sdaPotARWWqT+5eCrUxq4uxsbb53snmPLNf1MFOcCUclTvylWtR86NhczwR3llOl 2gJeBW3oYJ2z20O7paZ+YCFMRPrfyHtcwfsi05OSXvSCrzOVuiSo5r8ubH4m6+IcsMtp VTh/ksTiPVI8DRE8xxF/Dtk7CUAguOgxNQxZfPbssiSh0HL7FzqKe5x/dE7RBm6Ue0MD h4fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692001006; x=1692605806; 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=giAr4p7OXdxPk8rPghrXzG860URr2i+oAKWFOJ/jVV8=; b=R49jBlAMLFGbJjt45Eo1ziBJcfgSu9slbjzDF32RAcK5Xk5U2kGoEhzafBaXMHVhUx lI42VP6Lxoy4VEZNviXYAd7wwnJoytUp33ne0HAoWczLcZ2XwJOLbJ6tVc9zYuGmo9Lx X0QjiCCaj3MtX+5Wrr0maLptSQYWvwo9yqBELsILx1dQiBIS0LWMxhNW/t5L/Dd6C0Bt 53cJEQBEaqI94WEgiOIPI2e7VI1jrjgNYXXexQn9Znqn3Ob49S9SSXuQzY6GLWUgvT3d 7WdFgAhzm/DG8q2JKBqfUQm5sqAMB/qx6rimV0pDanW83Xa2Kd2M+LWrFl6h36H1jUhY DKKQ== X-Gm-Message-State: AOJu0YxGKrYImZxe2dAgxB2imz33zYCSmUf/rdeSMSPQjTZ3wmTPDFlV rgmVzoSaFbmbV3cawMX+Vmhyqw== X-Google-Smtp-Source: AGHT+IHe2VLgp9+bXem8UiowHhjT52hWUVHbjAj3wfKFQKsjIY4arE4BEQsbiKrARbXFAf3H1jQ4jw== X-Received: by 2002:adf:eac6:0:b0:319:68ba:7c8e with SMTP id o6-20020adfeac6000000b0031968ba7c8emr3727289wrn.38.1692001006390; Mon, 14 Aug 2023 01:16:46 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id k1-20020a5d4281000000b00317a29af4b2sm13542994wrq.68.2023.08.14.01.16.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 01:16:45 -0700 (PDT) From: Neil Armstrong Date: Mon, 14 Aug 2023 10:16:37 +0200 Subject: [PATCH v3 1/3] pinctrl: pinctrl-oxnas: remove obsolete pinctrl driver MIME-Version: 1.0 Message-Id: <20230814-topic-oxnas-upstream-remove-v3-1-04a0c5cdda52@linaro.org> References: <20230814-topic-oxnas-upstream-remove-v3-0-04a0c5cdda52@linaro.org> In-Reply-To: <20230814-topic-oxnas-upstream-remove-v3-0-04a0c5cdda52@linaro.org> To: Linus Walleij , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, devicetree@vger.kernel.org, Arnd Bergmann , Daniel Golle X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=41152; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=efbqZ95PVjC1xLDcnU1xnQz8cnL3UkC4XEyKF5ELIxA=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBk2eLrp5uzCASXxC3TqTEbbOGdQ0cZroCswzxS0TcN +CfSORCJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZNni6wAKCRB33NvayMhJ0WRxD/ 9+7eNbOMm1jF0PmugK4EF7tUQxbyAHEdPRKn4gzFv9ckCUdEy13Io4BQmPFk/iS2C8PJMVUDBzaJ3D qZDr8IHF1vJSTlTxbRa8t2lEL38HID+AvTrp2rS8vRNGg2EEPJA4fxgbCNy/3T+aUpL/Uv13b4vLwI n/HcF/AuPVrLWRj+Ig+vfhrtl++k7ym3e4MDr474kJp31sOpYKTx6pog2whpSC9MBdhYx92hboYgzT hzcZKKu5WsDc6m9Ple1t6kE600MihbjSkPgMvVPaXO+YLfT22twUzpgn7F1HdJF3lF74XMIrlvsmB6 LhhaYr4zxd0bM6qqWKR92H2HlZFP/jALOjEhUwzjGu93NDku0Yx8DB8d3F5xxduA6rmLysi1lWhtiz o65ml7Ft0EbwhYFCz3yVBRQfF/RtPKcQ6c9pPHTZuG63LhpxjynKWce13HayMMUlz+Wztjmy6b0OZT FYTp1KinkXRn3Hm9UvoTuH6H6fSODRjD2UKn3V8OF0eYUrC9TK8sunmBLb9wxS9ADldht2Jw16v7zQ KaZqHJJXEXbbMqgcDxjzyqzEg5al94J47wLc1O0mA0FDxoiqUQSmCZAce+XkG0FH39leq+c1EITSj/ UnO5HMsQqqHo2XpgfZKkNGXdimvBkSR/A16jJeJGEvDL/E39D6hQHvsLkYoQ== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintenance 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. Acked-by: Linus Walleij Acked-by: Arnd Bergmann Acked-by: Daniel Golle Acked-by: Andy Shevchenko Signed-off-by: Neil Armstrong --- drivers/pinctrl/Kconfig | 11 - drivers/pinctrl/Makefile | 1 - drivers/pinctrl/pinctrl-oxnas.c | 1291 --------------------------------------- 3 files changed, 1303 deletions(-) diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 57d57af1f624..7dfb7190580e 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 482b391b5deb..dd6cda270294 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -38,7 +38,6 @@ obj-$(CONFIG_PINCTRL_MCP23S08) += pinctrl-mcp23s08.o obj-$(CONFIG_PINCTRL_MICROCHIP_SGPIO) += pinctrl-microchip-sgpio.o obj-$(CONFIG_PINCTRL_MLXBF3) += pinctrl-mlxbf3.o obj-$(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 2b2f36994323..000000000000 --- a/drivers/pinctrl/pinctrl-oxnas.c +++ /dev/null @@ -1,1291 +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 "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 Mon Aug 14 08:16:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 714196 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 06797C04A94 for ; Mon, 14 Aug 2023 08:17:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233717AbjHNIRL (ORCPT ); Mon, 14 Aug 2023 04:17:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234496AbjHNIQz (ORCPT ); Mon, 14 Aug 2023 04:16:55 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C9C2E60 for ; Mon, 14 Aug 2023 01:16:50 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-3fe4ad22e36so37427795e9.2 for ; Mon, 14 Aug 2023 01:16:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692001009; x=1692605809; 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=2Pe1G74CKDr0t/c1R/w4mEAZ9khtDQBENUlvIvkgD0Y=; b=AlsIJ3Hli4koRHVo52AcOzcNnCXIWjQM425mlvpdhezGEMAvL2WOVDVfnz0GbdwguD slNTc8BpKMYe9aETDR8Gsq+9hVOg16dvGjCdsOgJILRqSdwHxNBkTDGSEZYFHcrBYg4Q MMjJVZQjSm5cbYDgA10Tn//NrYfa8VtJA4kl5zfOunBe2UCryxwW0jqKTWfZUo1VibUj kD8kg+6pcxGH+kqoikv2bBl/DFLkMX8CCXROpGp5fugNmf+nTpzMs3RKz1Rv6bw3VUof a5Ln5S3ah8//ts7AUyLGHrcbl77zahiKqDGvgJwC/rR+C1l4+eyEteRmSSgEwrXwDBN2 HWag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692001009; x=1692605809; 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=2Pe1G74CKDr0t/c1R/w4mEAZ9khtDQBENUlvIvkgD0Y=; b=cPBRLxyWQJsLcdPFRslNpTvCDg071P1MxyrNC/6KHSm+fz/MNJwDH0h0vgeAsoQkR8 2WXEEPqgdHpnByt+G3zSrRky/No2QAPaunMig2hKTwR7D2dgdXwDa892zx6o07x9UDSr XpkAlU8cGUMIgh1IZSUjViTNvjp/RPO82ccndqz3JFcWvgpJsywQsZX7MUUNaMvZC7LA 1WOkV+VEW73SQZop5iI/IctWaq2gzvrf4cfMWBxyy+yy+eEnipB1Tf59DkXOlGJ+unWQ H9pajjLxguV4zdt/NEvOLG/4MEgvANGfl6KO2R43vtphxvB5sbMVUKZQJXxPivMB/ZtM R0QQ== X-Gm-Message-State: AOJu0Yx57aPO49IJg5WXjW3VIKbCO1Ujmjgp37sGozB8JQkwylME1grF 6qbCbpw/5IgpJdA8YVXFqyOOJA== X-Google-Smtp-Source: AGHT+IFxoZYypMWMApyftvpZB+eRWVc7nLZT8b8RmwQysm55SPF8kxFmUC8yXR5M66sqVwKCaSHESw== X-Received: by 2002:a1c:ed15:0:b0:3fb:e206:ca5f with SMTP id l21-20020a1ced15000000b003fbe206ca5fmr7168108wmh.31.1692001008961; Mon, 14 Aug 2023 01:16:48 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id k1-20020a5d4281000000b00317a29af4b2sm13542994wrq.68.2023.08.14.01.16.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Aug 2023 01:16:48 -0700 (PDT) From: Neil Armstrong Date: Mon, 14 Aug 2023 10:16:39 +0200 Subject: [PATCH v3 3/3] dt-bindings: gpio: gpio_oxnas: remove obsolete bindings MIME-Version: 1.0 Message-Id: <20230814-topic-oxnas-upstream-remove-v3-3-04a0c5cdda52@linaro.org> References: <20230814-topic-oxnas-upstream-remove-v3-0-04a0c5cdda52@linaro.org> In-Reply-To: <20230814-topic-oxnas-upstream-remove-v3-0-04a0c5cdda52@linaro.org> To: Linus Walleij , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, devicetree@vger.kernel.org, Krzysztof Kozlowski , Arnd Bergmann , Daniel Golle , Bartosz Golaszewski X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2444; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=jE6ByQZPyn94kajLMkmmnkKqcK01TK88XsXfpl+GUMQ=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBk2eLrjDbTfAEmzdlc5+OVy72+nkloYG/jlpD4hbXa p3OXVuyJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZNni6wAKCRB33NvayMhJ0XR6EA CgJ78xhOK89ymzp6lmIQDll16C4q2KKUwZpYLi19PkP5CHYpod1KfImzp6DZMipWgeNV5BXID4vbFc QmdNIQkTjkK9dA8Hf5Qz5Eg4OEOBW5AtBRZqaYxTEZY7lAAx10WH6ykM9DJ1JsvrjqvefO1PunTVKo ebeaG0C7j/zmILuEyedPLzWe9pRbSJ0YAeitBmOl2m7NzBdEo9T5foRIK2tp7tWfOrsagovPAiE2cq LQeNLBsZuhVYSmoeexUC9oTAq8A0DJBD03OtYj7ypPFc0SKyxvsZ7VDXpj07abZAvv7X1tHKyPfBoD KL09HCmsLKWO8qqR0F3JjoVv8L9T7MpfdXbbxtWJWCjVYghU4gN4g9M9yoez6+cz9mB9YFmwlrhDJz 0SY3yGvAWAi2GGQeJRPWzs4bm7a3LTsQpvi/w1F9/6vdoTdbdf4DbWNpnxa3/0R9j4X8Nn6ZBkh0b/ TyDymJbacbClLxEvtE4KyVzDjEbbLXYZK9DhhQ3v/5jQetF6u1P0Cq00antay22GdXUDJu4tpo8kg6 OAs+/3tH4J6VdE7bVpxEobtPrbVIvRn3Rf7CYOJsFlb53iKgcTQwe7sMQa9r94rRtZgWBnlHhdSzfA 6qH0uQAbjStD4KwG92omB0aHYoteiIuTHrJOW/JCQcTtwvbIgmtNltRr1vGQ== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Due to lack of maintenance 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. Acked-by: Krzysztof Kozlowski Acked-by: Linus Walleij Acked-by: Arnd Bergmann Acked-by: Daniel Golle Acked-by: Bartosz Golaszewski Signed-off-by: Neil Armstrong --- .../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>; - }; -};