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=-9.7 required=3.0 tests=DATE_IN_FUTURE_06_12, DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 02F55C3A59E for ; Tue, 3 Sep 2019 02:05:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C290622CF7 for ; Tue, 3 Sep 2019 02:05:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rGYVf5XI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C290622CF7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=5Uiv5wR3H4M9abW2wPbUV2/v69HSQjTJlnhTPXgMEfk=; b=rGY Vf5XItKOjOYg5+Vpf8OdDpa6JyO+MBzD9yWkRRpU3jqJMzhzsnapwvyDiMbkFN69sdLXJLFQBUJhS s9Ozd1T9TQbUxtMJFN/1F/PyJnjiUwRVYJMnbDQjqKjmhGgRFwIWjp3vbz2z0lFlTQEnR51lBpll3 yuZnMDeA496EDhpUKLPIer6QOHlzb2Orku/Gc5CFaqBUgiy/4QexK7iONT8RoC+ZGBvPivHVjHFzo X8msXRhgwqENu5eZTD/W2Bjkrm7mx7N0RWd4syxl3LJC7AL+Rwb0o7et/UN5j9jMbHT+OSetaEu3B xCBY8Y7OrNOhy3ojYFs+w0adsDktZ/w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i4yC6-0001wa-8s; Tue, 03 Sep 2019 02:05:19 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i4yBo-0001gI-Eg for linux-arm-kernel@lists.infradead.org; Tue, 03 Sep 2019 02:05:01 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 598E2200214; Tue, 3 Sep 2019 04:04:58 +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 2F2E420015E; Tue, 3 Sep 2019 04:04:40 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 2F4A0402B1; Tue, 3 Sep 2019 10:04:26 +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, daniel.baluta@nxp.com, leonard.crestez@nxp.com, mripard@kernel.org, olof@lixom.net, arnd@arndb.de, jagan@amarulasolutions.com, bjorn.andersson@linaro.org, dinguyen@kernel.org, marcin.juszkiewicz@linaro.org, stefan@agner.ch, gregkh@linuxfoundation.org, andriy.shevchenko@linux.intel.com, yuehaibing@huawei.com, tglx@linutronix.de, ronald@innovation.ch, m.felsch@pengutronix.de, ping.bai@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Subject: [PATCH V2 1/5] dt-bindings: fsl: scu: add scu power key binding Date: Tue, 3 Sep 2019 10:03:40 -0400 Message-Id: <1567519424-32271-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190902_190500_637456_E4C6DB71 X-CRM114-Status: UNSURE ( 7.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 power key event etc. management, Linux kernel has to communicate with system controller via MU (message unit) IPC to get power key event, add binding doc for i.MX system controller power key driver. Signed-off-by: Anson Huang --- Changes since V1: - remove "wakeup-source" property, as it is NOT needed for SCU interrupt; - remove "status" 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..f93e2e4 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. +Power key bindings based on SCU Message Protocol +------------------------------------------------------------ + +Required properties: +- compatible: should be: + "fsl,imx8qxp-sc-pwrkey" + followed by "fsl,imx-sc-pwrkey"; +- linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt + Example (imx8qxp): ------------- aliases { @@ -220,6 +229,11 @@ firmware { compatible = "fsl,imx8qxp-sc-rtc"; }; + scu_pwrkey: scu-pwrkey { + compatible = "fsl,imx8qxp-sc-pwrkey", "fsl,imx-sc-pwrkey"; + linux,keycode = ; + }; + watchdog { compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; timeout-sec = <60>; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel