From patchwork Mon Sep 16 02:52:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 1162596 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Wt3Z4Qgbz9sPD for ; Mon, 16 Sep 2019 14:06:50 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727700AbfIPCya (ORCPT ); Sun, 15 Sep 2019 22:54:30 -0400 Received: from inva020.nxp.com ([92.121.34.13]:49648 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727510AbfIPCya (ORCPT ); Sun, 15 Sep 2019 22:54:30 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id ADBBB1A04FF; Mon, 16 Sep 2019 04:54:27 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 5ACFC1A01E2; Mon, 16 Sep 2019 04:54:09 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id B8AA5402B7; Mon, 16 Sep 2019 10:53:54 +0800 (SGT) From: Anson Huang To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dmitry.torokhov@gmail.com, aisheng.dong@nxp.com, ulf.hansson@linaro.org, fugang.duan@nxp.com, peng.fan@nxp.com, leonard.crestez@nxp.com, daniel.baluta@nxp.com, olof@lixom.net, mripard@kernel.org, arnd@arndb.de, jagan@amarulasolutions.com, dinguyen@kernel.org, bjorn.andersson@linaro.org, marcin.juszkiewicz@linaro.org, andriy.shevchenko@linux.intel.com, yuehaibing@huawei.com, cw00.choi@samsung.com, enric.balletbo@collabora.com, m.felsch@pengutronix.de, ping.bai@nxp.com, ronald@innovation.ch, stefan@agner.ch, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH V4 1/5] dt-bindings: fsl: scu: add scu key binding Date: Mon, 16 Sep 2019 10:52:49 +0800 Message-Id: <1568602373-14164-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system controller, the system controller is in charge of system power, clock and scu key event etc. management, Linux kernel has to communicate with system controller via MU (message unit) IPC to get scu key event, add binding doc for i.MX system controller key driver. Signed-off-by: Anson Huang --- No changes. --- .../devicetree/bindings/arm/freescale/fsl,scu.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index c149fad..5eab7d0 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -157,6 +157,15 @@ Required properties: Optional properties: - timeout-sec: contains the watchdog timeout in seconds. +SCU key bindings based on SCU Message Protocol +------------------------------------------------------------ + +Required properties: +- compatible: should be: + "fsl,imx8qxp-sc-key" + followed by "fsl,imx-sc-key"; +- linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt + Example (imx8qxp): ------------- aliases { @@ -220,6 +229,11 @@ firmware { compatible = "fsl,imx8qxp-sc-rtc"; }; + scu_key: scu-key { + compatible = "fsl,imx8qxp-sc-key", "fsl,imx-sc-key"; + linux,keycode = ; + }; + watchdog { compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>;