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| author | Martin Blumenstingl <martin.blumenstingl@googlemail.com> | 2020-04-11 19:57:00 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2020-04-21 01:22:21 +0300 |
| commit | 02c625c5de6028cebb7a1ade5d6f532c6a535e0d (patch) | |
| tree | 71144f2d7f514fc91ffa0bacb5331e49533aa902 /Documentation/devicetree | |
| parent | 2d4a22e79a5fdbaf54e5d75d933fb21dd12802b0 (diff) | |
| download | linux-02c625c5de6028cebb7a1ade5d6f532c6a535e0d.tar.xz | |
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>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml index f5401cc8de4a..4869258daadb 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml +++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml @@ -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>; }; ... |