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dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding
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
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@ -37,6 +37,8 @@ Optional properties:
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- operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt
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for details.
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- #cooling-cells: Refer to Documentation/devicetree/bindings/thermal/thermal.txt
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for details.
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Example for a Mali-T760:
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@ -51,6 +53,7 @@ gpu@ffa30000 {
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mali-supply = <&vdd_gpu>;
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operating-points-v2 = <&gpu_opp_table>;
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power-domains = <&power RK3288_PD_GPU>;
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#cooling-cells = <2>;
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};
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gpu_opp_table: opp_table0 {
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