From: Akhil P Oommen Date: Fri, 30 Oct 2020 10:47:12 +0000 (+0530) Subject: dt-bindings: drm/msm/gpu: Add cooling device support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=06d65ba3db67618c0afd70a72df516dace49e7e7;p=linux.git dt-bindings: drm/msm/gpu: Add cooling device support Add cooling device support to gpu. A cooling device is bound to a thermal zone to allow thermal mitigation. Signed-off-by: Akhil P Oommen Reviewed-by: Matthias Kaehlcke Acked-by: Rob Herring Signed-off-by: Rob Clark --- diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index 1af0ff102b507..090dcb3fc34d0 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -39,6 +39,10 @@ Required properties: a4xx Snapdragon SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. +Optional properties: +- #cooling-cells: The value must be 2. For details, please refer + Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml. + Example 3xx/4xx: / { @@ -61,6 +65,7 @@ Example 3xx/4xx: power-domains = <&mmcc OXILICX_GDSC>; operating-points-v2 = <&gpu_opp_table>; iommus = <&gpu_iommu 0>; + #cooling-cells = <2>; }; gpu_sram: ocmem@fdd00000 { @@ -98,6 +103,8 @@ Example a6xx (with GMU): reg = <0x5000000 0x40000>, <0x509e000 0x10>; reg-names = "kgsl_3d0_reg_memory", "cx_mem"; + #cooling-cells = <2>; + /* * Look ma, no clocks! The GPU clocks and power are * controlled entirely by the GMU