RE: [PATCH V15 1/5] dt-bindings: fsl: scu: add thermal binding
From: Anson Huang
Date: Mon Jun 24 2019 - 04:05:08 EST
Hi, Daniel/Rui/Eduardo
Could you please take a look at this patch series?
Anson
> From: Anson Huang <Anson.Huang@xxxxxxx>
>
> 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 <Anson.Huang@xxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Reviewed-by: Dong Aisheng <aisheng.dong@xxxxxxx>
> ---
> No change.
> ---
> .../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 a575e42..fc3844e 100644
> --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> @@ -155,6 +155,17 @@ Required properties:
> Optional properties:
> - timeout-sec: contains the watchdog timeout in seconds.
>
> +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.
> +
> Example (imx8qxp):
> -------------
> aliases {
> @@ -222,6 +233,11 @@ firmware {
> compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
> timeout-sec = <60>;
> };
> +
> + tsens: thermal-sensor {
> + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-
> thermal";
> + #thermal-sensor-cells = <1>;
> + };
> };
> };
>
> --
> 2.7.4