On 27/08/14 17:39, Ajay Kumar wrote: > Add documentation for DT properties supported by ps8622/ps8625 > eDP-LVDS converter. > > Signed-off-by: Ajay Kumar <[email protected]> > --- > .../devicetree/bindings/video/bridge/ps8622.txt | 20 > ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/devicetree/bindings/video/bridge/ps8622.txt > > diff --git a/Documentation/devicetree/bindings/video/bridge/ps8622.txt > b/Documentation/devicetree/bindings/video/bridge/ps8622.txt > new file mode 100644 > index 0000000..0ec8172 > --- /dev/null > +++ b/Documentation/devicetree/bindings/video/bridge/ps8622.txt > @@ -0,0 +1,20 @@ > +ps8622-bridge bindings > + > +Required properties: > + - compatible: "parade,ps8622" or "parade,ps8625" > + - reg: first i2c address of the bridge > + - sleep-gpios: OF device-tree gpio specification for PD_ pin. > + - reset-gpios: OF device-tree gpio specification for RST_ pin. > + > +Optional properties: > + - lane-count: number of DP lanes to use > + - use-external-pwm: backlight will be controlled by an external PWM
What does this mean? That the backlight support from ps8625 is not used?
If so, maybe "disable-pwm" or something?
> +
> +Example:
> + lvds-bridge@48 {
> + compatible = "parade,ps8622";
> + reg = <0x48>;
> + sleep-gpios = <&gpc3 6 1 0 0>;
> + reset-gpios = <&gpc3 1 1 0 0>;
> + lane-count = <1>;
> + };
>
I wish all new display component bindings would use the video
ports/endpoints to describe the connections. It will be very difficult
to improve the display driver model later if we're missing such critical
pieces from the DT bindings.
Tomi
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