From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anson Huang Subject: [PATCH V4 1/4] dt-bindings: fsl: scu: add thermal binding Date: Thu, 29 Nov 2018 02:37:24 +0000 Message-ID: <1543458696-4741-2-git-send-email-Anson.Huang__37487.8893992447$1543462179$gmane$org@nxp.com> References: <1543458696-4741-1-git-send-email-Anson.Huang@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1543458696-4741-1-git-send-email-Anson.Huang@nxp.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: "rui.zhang@intel.com" , "edubezval@gmail.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "shawnguo@kernel.org" , "LW@KARO-electronics.de" Cc: dl-linux-imx List-Id: linux-pm@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 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 --- ChangeLog: V3->V4: *move binding doc to SCU since it is belonging to SCU; *change compatile string to start with "fsl" instead of "nxp" to align with other nodes in dtb. --- .../devicetree/bindings/arm/freescale/fsl,scu.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index 3f3d697..b77ec29 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -112,6 +112,16 @@ 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 : Must be "fsl,imx8qxp-sc-thermal"; +- tsens-num : Total number of thermal sensors supported; +- #thermal-sensor-cells : Should be 1. See + Documentation/devicetree/bindings/thermal/thermal.txt + for a description. + Example (imx8qxp): ------------- lsio_mu1: mailbox@5d1c0000 { @@ -158,6 +168,12 @@ firmware { rtc: rtc { compatible = "fsl,imx8qxp-sc-rtc"; }; + + tsens: thermal-sensor { + compatible = "fsl,imx8qxp-sc-thermal"; + tsens-num = <1>; + #thermal-sensor-cells = <1>; + }; }; }; -- 2.7.4