On 22/02/2020 01:08, Anson Huang wrote:
> 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>
I'll will take patches 1, 2 and 3
Thanks!
-- Daniel
> ---
> 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 e07735a8..7f42cc3 100644
> --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
> @@ -166,6 +166,17 @@ Required properties:
> followed by "fsl,imx-sc-key";
> - linux,keycodes: See Documentation/devicetree/bindings/input/keys.txt
>
> +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 {
> @@ -238,6 +249,11 @@ 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>;
> + };
> };
> };
>
>
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