From patchwork Mon Oct 12 03:31:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 285614 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D015BC433E7 for ; Mon, 12 Oct 2020 04:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8EB3320731 for ; Mon, 12 Oct 2020 04:02:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726205AbgJLEC5 (ORCPT ); Mon, 12 Oct 2020 00:02:57 -0400 Received: from twspam01.aspeedtech.com ([211.20.114.71]:18182 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726154AbgJLEC5 (ORCPT ); Mon, 12 Oct 2020 00:02:57 -0400 X-Greylist: delayed 1849 seconds by postgrey-1.27 at vger.kernel.org; Mon, 12 Oct 2020 00:02:55 EDT Received: from twspam01.aspeedtech.com (localhost [127.0.0.2] (may be forged)) by twspam01.aspeedtech.com with ESMTP id 09C3Tvq7087393 for ; Mon, 12 Oct 2020 11:29:57 +0800 (GMT-8) (envelope-from billy_tsai@aspeedtech.com) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 09C3Tp76087376; Mon, 12 Oct 2020 11:29:51 +0800 (GMT-8) (envelope-from billy_tsai@aspeedtech.com) Received: from localhost.localdomain (192.168.10.9) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 12 Oct 2020 11:32:01 +0800 From: Billy Tsai To: , , , , , , , , , , CC: Subject: [PATCH 2/3] Arm: dts: aspeed-g6: Add sgpio node Date: Mon, 12 Oct 2020 11:31:49 +0800 Message-ID: <20201012033150.21056-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201012033150.21056-1-billy_tsai@aspeedtech.com> References: <20201012033150.21056-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.9] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 09C3Tp76087376 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This patch is used to add sgpiom and sgpios nodes and add compatiable string for sgpiom. Signed-off-by: Billy Tsai --- .../devicetree/bindings/gpio/sgpio-aspeed.txt | 8 +-- arch/arm/boot/dts/aspeed-g6.dtsi | 52 +++++++++++++++++++ 2 files changed, 57 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt index d4d83916c09d..815d9b5167a5 100644 --- a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt +++ b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt @@ -1,8 +1,10 @@ Aspeed SGPIO controller Device Tree Bindings -------------------------------------------- -This SGPIO controller is for ASPEED AST2500 SoC, it supports up to 80 full -featured Serial GPIOs. Each of the Serial GPIO pins can be programmed to +This SGPIO controller is for ASPEED AST2500/AST2600 SoC, it supports 2 master. +One is up to 128 SGPIO input ports and 128 output ports concurrently(after AST2600A1) +and Second one is up to 80. +Each of the Serial GPIO pins can be programmed to support the following options: - Support interrupt option for each input port and various interrupt sensitivity option (level-high, level-low, edge-high, edge-low) @@ -14,7 +16,7 @@ support the following options: Required properties: - compatible : Should be one of - "aspeed,ast2400-sgpio", "aspeed,ast2500-sgpio" + "aspeed,ast2400-sgpio", "aspeed,ast2500-sgpio", "aspeed,ast2600-sgpiom" - #gpio-cells : Should be 2, see gpio.txt - reg : Address and length of the register set for the device - gpio-controller : Marks the device node as a GPIO controller diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi index ad19dce038ea..cb053a996e87 100644 --- a/arch/arm/boot/dts/aspeed-g6.dtsi +++ b/arch/arm/boot/dts/aspeed-g6.dtsi @@ -366,6 +366,58 @@ #interrupt-cells = <2>; }; + sgpiom0: sgpiom@1e780500 { + #gpio-cells = <2>; + gpio-controller; + compatible = "aspeed,ast2600-sgpiom"; + reg = <0x1e780500 0x100>; + interrupts = ; + ngpios = <128>; + clocks = <&syscon ASPEED_CLK_APB2>; + interrupt-controller; + bus-frequency = <12000000>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sgpm1_default>; + status = "disabled"; + }; + + sgpiom1: sgpiom@1e780600 { + #gpio-cells = <2>; + gpio-controller; + compatible = "aspeed,ast2600-sgpiom"; + reg = <0x1e780600 0x100>; + interrupts = ; + ngpios = <80>; + clocks = <&syscon ASPEED_CLK_APB2>; + interrupt-controller; + bus-frequency = <12000000>; + + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sgpm2_default>; + status = "disabled"; + }; + + sgpios0: sgpios@1e780700 { + #gpio-cells = <2>; + gpio-controller; + compatible = "aspeed,ast2600-sgpios"; + reg = <0x1e780700 0x40>; + interrupts = ; + clocks = <&syscon ASPEED_CLK_APB2>; + status = "disabled"; + }; + + sgpios1: sgpios@1e780740 { + #gpio-cells = <2>; + gpio-controller; + compatible = "aspeed,ast2600-sgpios"; + reg = <0x1e780740 0x40>; + interrupts = ; + clocks = <&syscon ASPEED_CLK_APB2>; + status = "disabled"; + }; + gpio1: gpio@1e780800 { #gpio-cells = <2>; gpio-controller;