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[10/22] dt-bindings: display: rockchip: dw-hdmi: Add additional clock

Message ID 20211220110630.3521121-11-s.hauer@pengutronix.de (mailing list archive)
State New
Headers show
Series drm/rockchip: RK356x VOP2 support | expand

Commit Message

Sascha Hauer Dec. 20, 2021, 11:06 a.m. UTC
The rk3568 HDMI has an additional clock that needs to be enabled for the
HDMI controller to work. The purpose of that clock is not clear. It is
named "hclk" in the downstream driver, so use the same name.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 .../bindings/display/rockchip/rockchip,dw-hdmi.yaml    | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
index bf8618b26721a..a50ebf24b7f93 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -44,11 +44,12 @@  properties:
     items:
       - {}
       - {}
-      # The next three clocks are all optional, but shall be specified in this
+      # The next four clocks are all optional, but shall be specified in this
       # order when present.
       - description: The HDMI CEC controller main clock
       - description: Power for GRF IO
       - description: External clock for some HDMI PHY
+      - description: hclk
 
   clock-names:
     minItems: 2
@@ -59,11 +60,16 @@  properties:
           - cec
           - grf
           - ref
+          - hclk
       - enum:
           - grf
           - ref
-      - const:
+          - hclk
+      - enum:
           - ref
+          - hclk
+      - const:
+          - hclk
 
   ddc-i2c-bus:
     $ref: /schemas/types.yaml#/definitions/phandle