Commit 02c625c5 authored Apr 11, 2020 by Martin Blumenstingl Committed by Rob Herring Apr 20, 2020

dt-bindings: gpu: mali-utgard: Add the #cooling-cells property



The GPU can be one of the big heat sources on a SoC. Allow the
"#cooling-cells" property to be specified for ARM Mali Utgard GPUs so
the GPU clock speeds (and voltages) can be reduced to prevent a SoC from
overheating.

Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>

parent 2d4a22e7

Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml

+4 −0

Original line number	Diff line number	Diff line
		@@ -107,6 +107,9 @@ properties:

		operating-points-v2: true

		"#cooling-cells":
		const: 2

		required:
		- compatible
		- reg
		@@ -164,6 +167,7 @@ examples:
		clocks = <&ccu 1>, <&ccu 2>;
		clock-names = "bus", "core";
		resets = <&ccu 1>;
		#cooling-cells = <2>;
		};

		...

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