| Message ID | 20220311083323.887372-11-s.hauer@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/rockchip: RK356x VOP2 support | expand |
On Fri, 11 Mar 2022 09:33:09 +0100, Sascha Hauer wrote: > The rk3568 HDMI has an additional clock that needs to be enabled for the > HDMI controller to work. It is not needed for the HDMI controller > itself, but to make the SoC internal busses work. > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> > --- > > Notes: > Changes since v7: > - rename hclk to niu > > .../bindings/display/rockchip/rockchip,dw-hdmi.yaml | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml index e6b8437a1e2d1..1df61cb420744 100644 --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml @@ -33,12 +33,13 @@ 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 (old clock name, deprecated) - description: External clock for some HDMI PHY (new name) + - description: NIU clock, needed on rk356x for SoC internal bus circuitry clock-names: minItems: 2 @@ -50,13 +51,17 @@ properties: - grf - vpll - ref + - niu - enum: - grf - vpll - ref + - niu - enum: - vpll - ref + - niu + - const: niu ddc-i2c-bus: $ref: /schemas/types.yaml#/definitions/phandle
The rk3568 HDMI has an additional clock that needs to be enabled for the HDMI controller to work. It is not needed for the HDMI controller itself, but to make the SoC internal busses work. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- Notes: Changes since v7: - rename hclk to niu .../bindings/display/rockchip/rockchip,dw-hdmi.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)