| Message ID | 20230415104613.61224-2-jernej.skrabec@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | drm/bridge: dw_hdmi: allow to disable CEC from DT | expand |
On Sat, Apr 15, 2023 at 12:46:11PM +0200, Jernej Skrabec wrote: > Even though some DW-HDMI controllers have perfectly usable HDMI-CEC > implementation, some boards might prefer not to use it or even use > software implementation instead. > > Add property for disabling CEC so driver doesn't expose unused CEC > interface, if CEC pin isn't connected anywhere. Isn't this all true for any bridge supporting CEC? Make this common. > > Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> > --- > .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > index 4b7e54a8f037..624d32c024f6 100644 > --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml > @@ -48,6 +48,11 @@ properties: > interrupts: > maxItems: 1 > > + snps,disable-cec: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Disable HDMI-CEC. > + > additionalProperties: true > > ... > -- > 2.40.0 >
diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml index 4b7e54a8f037..624d32c024f6 100644 --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml @@ -48,6 +48,11 @@ properties: interrupts: maxItems: 1 + snps,disable-cec: + $ref: /schemas/types.yaml#/definitions/flag + description: + Disable HDMI-CEC. + additionalProperties: true ...
Even though some DW-HDMI controllers have perfectly usable HDMI-CEC implementation, some boards might prefer not to use it or even use software implementation instead. Add property for disabling CEC so driver doesn't expose unused CEC interface, if CEC pin isn't connected anywhere. Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ 1 file changed, 5 insertions(+)