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Thu, 21 Feb 2019 06:38:30 +0000 Received: from AM6PR0402MB3911.eurprd04.prod.outlook.com ([fe80::6c94:4ad8:e9f3:cf1]) by AM6PR0402MB3911.eurprd04.prod.outlook.com ([fe80::6c94:4ad8:e9f3:cf1%4]) with mapi id 15.20.1622.018; Thu, 21 Feb 2019 06:38:30 +0000 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.deacon@arm.com" , "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , Aisheng Dong , "ulf.hansson@linaro.org" , "sboyd@kernel.org" , Daniel Baluta , Andy Gross , "horms+renesas@verge.net.au" , "heiko@sntech.de" , "arnd@arndb.de" , "maxime.ripard@bootlin.com" , "bjorn.andersson@linaro.org" , "jagan@amarulasolutions.com" , "enric.balletbo@collabora.com" , "marc.w.gonzalez@free.fr" , "olof@lixom.net" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-pm@vger.kernel.org" Subject: [PATCH V8 1/4] dt-bindings: fsl: scu: add thermal binding Thread-Topic: [PATCH V8 1/4] dt-bindings: fsl: scu: add thermal binding Thread-Index: AQHUybAPUmnoI6Ce/UqIMDTlZO/oOg== Date: Thu, 21 Feb 2019 06:38:30 +0000 Message-ID: <1550730831-14995-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK0PR03CA0069.apcprd03.prod.outlook.com (2603:1096:203:52::33) To AM6PR0402MB3911.eurprd04.prod.outlook.com (2603:10a6:209:1c::10) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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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 thermal sensors etc. management, Linux kernel has to communicate with system controller via MU (message unit) IPC to get temperature from thermal sensors, this patch adds binding doc for i.MX system controller thermal driver. Signed-off-by: Anson Huang Reviewed-by: Rob Herring --- Changes since V7: - remove unused property "tsens-num"; - improve the compatible description; - update examples according to latest dts file. --- .../devicetree/bindings/arm/freescale/fsl,scu.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index 72d481c..d89147e 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -122,6 +122,19 @@ RTC bindings based on SCU Message Protocol Required properties: - compatible: should be "fsl,imx8qxp-sc-rtc"; +Thermal bindings based on SCU Message Protocol +------------------------------------------------------------ + +Required properties: +- compatible: Should be : + "fsl,imx8qxp-sc-thermal" + followed by "fsl,imx-sc-thermal"; + +- #thermal-sensor-cells: See Documentation/devicetree/bindings/thermal/thermal.txt + for a description. + +- imx,sensor-resource-id: Property array to specify each thermal zone's sensor resource ID. + Example (imx8qxp): ------------- lsio_mu1: mailbox@5d1c0000 { @@ -168,6 +181,12 @@ firmware { rtc: rtc { compatible = "fsl,imx8qxp-sc-rtc"; }; + + tsens: thermal-sensor { + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal"; + #thermal-sensor-cells = <0>; + imx,sensor-resource-id = ; + }; }; }; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel