[PATCH v2 1/3] dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding

From: Matthias Kaehlcke
Date: Thu May 16 2019 - 13:27:17 EST


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

Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
---
Changes in v2:
- patch added to the series
---
Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
index 18a2cde2e5f3..61fd41a20f99 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
@@ -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 {
--
2.21.0.1020.gf2820cf01a-goog