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dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding

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The GPU can be used as a thermal cooling device, add an optional
'#cooling-cells' property.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20190516172510.181473-1-mka@chromium.org
This commit is contained in:
Matthias Kaehlcke 2019-05-16 10:25:08 -07:00 committed by Heiko Stuebner
parent 794c686eb7
commit 982c0500fd
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
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@ -37,6 +37,8 @@ Optional properties:
- operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt
for details.
- #cooling-cells: Refer to Documentation/devicetree/bindings/thermal/thermal.txt
for details.
Example for a Mali-T760:
@ -51,6 +53,7 @@ gpu@ffa30000 {
mali-supply = <&vdd_gpu>;
operating-points-v2 = <&gpu_opp_table>;
power-domains = <&power RK3288_PD_GPU>;
#cooling-cells = <2>;
};
gpu_opp_table: opp_table0 {