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

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Date:   Thu, 16 May 2019 10:25:08 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v2 1/3] 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@...omium.org>
---
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@...30000 {
 	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