[PATCH 1/2] dt-bindings: gpu: add bus clock for Mali Midgard GPUs

[Icenowy Zheng]

Some SoCs adds a bus clock gate to the Mali Midgard GPU.

Add the binding for the bus clock.

Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
---
 Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
index 18a2cde2e5f3..02f870cd60e6 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
@@ -31,6 +31,12 @@ Optional properties:
 
 - clocks : Phandle to clock for the Mali Midgard device.
 
+- clock-names : Specify the names of the clocks specified in clocks
+  when multiple clocks are present.
+    * bus: bus clock for the GPU
+    * core: clock driving the GPU itself (When only one clock is present,
+      assume it's this clock.)
+
 - mali-supply : Phandle to regulator for the Mali device. Refer to
   Documentation/devicetree/bindings/regulator/regulator.txt for details.
 
-- 
2.18.1