From patchwork Tue Sep 17 03:12:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11148015 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5C02514E5 for ; Tue, 17 Sep 2019 03:14:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 43C4620678 for ; Tue, 17 Sep 2019 03:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729182AbfIQDOC (ORCPT ); Mon, 16 Sep 2019 23:14:02 -0400 Received: from inva021.nxp.com ([92.121.34.21]:39828 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728874AbfIQDOC (ORCPT ); Mon, 16 Sep 2019 23:14:02 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 56B5E200640; Tue, 17 Sep 2019 05:14:00 +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 5A62820063C; Tue, 17 Sep 2019 05:13:39 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 76F84402E6; Tue, 17 Sep 2019 11:13:25 +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 RESEND V5 1/5] dt-bindings: fsl: scu: add scu key binding Date: Tue, 17 Sep 2019 11:12:15 +0800 Message-Id: <1568689939-8871-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@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>;