Re: [PATCH 2/3] dt-bindings: Add Logic PD Type 28 display panel

From: Adam Ford
Date: Mon Sep 23 2019 - 09:31:33 EST


On Sat, Sep 21, 2019 at 2:07 PM Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> Hi Adam.
>
> Good with even more panels.
> But for new bindings please use meta-schema (.yaml) format.
> This is what we use for new bindings as it allows better
> validation.

I don't know that syntax, but I'll try to piece together a few
different examples to come up with something. I should have a V2
today.

adam
>
> Sam
>
> On Tue, Sep 17, 2019 at 11:12:12AM -0500, Adam Ford wrote:
> > This patch adds documentation of device tree bindings for the WVGA panel
> > Logic PD Type 28 display.
> >
> > Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/logicpd,type28.txt b/Documentation/devicetree/bindings/display/panel/logicpd,type28.txt
> > new file mode 100644
> > index 000000000000..829fc5210e06
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/panel/logicpd,type28.txt
> > @@ -0,0 +1,26 @@
> > +Logic PD Type 28 4.3" WQVGA TFT LCD panel
> > +
> > +This binding is compatible with the simple-panel binding, which is specified
> > +in simple-panel.txt in this directory.
> > +
> > +Required properties:
> > +- compatible: should be "logicpd,type28"
> > +
> > +Optional properties:
> > +- power-supply: regulator to provide the supply voltage
> > +- enable-gpios: GPIO pin to enable or disable the panel
> > +- backlight: phandle of the backlight device attached to the panel
> Is it correct that these are optional for the descrivbed panel?
>
> > +
> > +Optional nodes:
> > +- Video port for RGB input.
> > +
> > +Example:
> > + lcd0: display {
> > + compatible = "logicpd,type28";
> > + enable-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>;
> > + port {
> > + lcd_in: endpoint {
> > + remote-endpoint = <&dpi_out>;
> > + };
> > + };
> > + };
> > --
> > 2.17.1