From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 8ABEBC10F14 for ; Mon, 7 Oct 2019 01:44:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A5492084B for ; Mon, 7 Oct 2019 01:44:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726878AbfJGBo3 (ORCPT ); Sun, 6 Oct 2019 21:44:29 -0400 Received: from inva021.nxp.com ([92.121.34.21]:58404 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726739AbfJGBo3 (ORCPT ); Sun, 6 Oct 2019 21:44:29 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id CF4582002D6; Mon, 7 Oct 2019 03:44:26 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 18F032005AF; Mon, 7 Oct 2019 03:44:07 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id BC05C40299; Mon, 7 Oct 2019 09:43:53 +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, peng.fan@nxp.com, fugang.duan@nxp.com, leonard.crestez@nxp.com, daniel.baluta@nxp.com, olof@lixom.net, mripard@kernel.org, bjorn.andersson@linaro.org, jagan@amarulasolutions.com, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, arnd@arndb.de, andriy.shevchenko@linux.intel.com, stefan@agner.ch, enric.balletbo@collabora.com, yuehaibing@huawei.com, ping.bai@nxp.com, m.felsch@pengutronix.de, ronald@innovation.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 V6 1/5] dt-bindings: fsl: scu: add scu key binding Date: Mon, 7 Oct 2019 09:41:45 +0800 Message-Id: <1570412509-7893-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 Reviewed-by: Rob Herring --- Changes since V5: - use "linux,keycodes" instead of "linux,keycode" in example. --- .../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..70c1a62 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,keycodes = ; + }; + watchdog { compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>; -- 2.7.4