[PATCH 10/22] dt-bindings: display: rockchip: dw-hdmi: Add additional clock
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: 2021-12-20 11:06:57
Also in:
dri-devel, linux-arm-kernel, linux-rockchip
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for rockchip, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Sandy Huang, Heiko Stübner, Andy Yan, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 --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
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2.30.2