linux-kernel - [PATCH V3 1/4] dt-bindings: fsl: scu: add watchdog binding

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Message-ID: <1551060850-22553-2-git-send-email-Anson.Huang@nxp.com>
Date:   Mon, 25 Feb 2019 02:19:02 +0000
From:   Anson Huang <anson.huang@....com>
To:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "wim@...ux-watchdog.org" <wim@...ux-watchdog.org>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        Aisheng Dong <aisheng.dong@....com>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        Daniel Baluta <daniel.baluta@....com>,
        Andy Gross <andy.gross@...aro.org>,
        "horms+renesas@...ge.net.au" <horms+renesas@...ge.net.au>,
        "heiko@...ech.de" <heiko@...ech.de>,
        "arnd@...db.de" <arnd@...db.de>, "olof@...om.net" <olof@...om.net>,
        "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
        "jagan@...rulasolutions.com" <jagan@...rulasolutions.com>,
        "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>,
        "marc.w.gonzalez@...e.fr" <marc.w.gonzalez@...e.fr>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-watchdog@...r.kernel.org" <linux-watchdog@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH V3 1/4] dt-bindings: fsl: scu: add watchdog binding

Add i.MX8QXP system controller watchdog binding.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
Changes since V2:
	- add fallback compatible "fsl,imx-sc-wdt" to cover other i.MX platforms with system controller
	  watchdog available.
	- this patch depends on my thermal patch series: https://patchwork.kernel.org/patch/10827673/
---
 Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 2e310ac..4f9a3f4 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -137,6 +137,14 @@ Required properties:
 				an array of integers to specify each thermal zone's sensor
 				resource ID.
 
+Watchdog bindings based on SCU Message Protocol
+------------------------------------------------------------
+
+Required properties:
+- compatible:			Should be :
+				  "fsl,imx8qxp-sc-wdt"
+				followed by "fsl,imx-sc-wdt";
+
 Example (imx8qxp):
 -------------
 lsio_mu1: mailbox@...c0000 {
@@ -189,6 +197,10 @@ firmware {
 			#thermal-sensor-cells = <0>;
 			imx,sensor-resource-id = <IMX_SC_R_SYSTEM>;
 		};
+
+		watchdog: watchdog {
+			compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
+		};
 	};
 };
 
-- 
2.7.4