dt-bindings: drm/msm/gpu: Add cooling device support (06d65ba3) · Commits · 戴 / test

Add cooling device support to gpu. A cooling device is bound to a thermal zone to allow thermal mitigation. Signed-off-by:

Documentation/devicetree/bindings/display/msm/gpu.txt

+7 −0

Original line number	Diff line number	Diff line
		@@ -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