[PATCH v2 1/2] dt-bindings: etnaviv: add slave interface clock

[Lucas Stach <l.stach@xxxxxxxxxxxxxx>]

Newer GPU cores added a new clock input, which allows to gate the slave (AHB)
interface independently from other parts of the GPU. Add it to the supported
clocks.

Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
v2: State when this clock is required.
---
 Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
index 05176f1ae108..511b814543ba 100644
--- a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
+++ b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt
@@ -32,7 +32,9 @@ Required properties:
 - clocks: should contain one clock for entry in clock-names
   see Documentation/devicetree/bindings/clock/clock-bindings.txt
 - clock-names:
-   - "bus":    AXI/register clock
+   - "bus":    AXI/master interface clock
+   - "reg":    AHB/slave interface clock
+               (only required if GPU can gate slave interface independently)
    - "core":   GPU core clock
    - "shader": Shader clock (only required if GPU has feature PIPE_3D)
 
-- 
2.15.1

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