Hi, On Tue, Jan 25, 2022 at 06:56:58PM +0100, Noralf Trønnes wrote: > Add binding for MIPI DBI compatible SPI panels. > > v2: > - Fix path for panel-common.yaml > - Use unevaluatedProperties > - Drop properties which are in the allOf section > - Drop model property (Rob) > > Signed-off-by: Noralf Trønnes <[email protected]> > --- > .../display/panel/panel-mipi-dbi-spi.yaml | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml > > diff --git > a/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml > b/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml > new file mode 100644 > index 000000000000..b7cbeea0f8aa > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/panel/panel-mipi-dbi-spi.yaml > @@ -0,0 +1,59 @@ > +# SPDX-License-Identifier: GPL-2.0-only > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/panel/panel-mipi-dbi-spi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MIPI DBI SPI Panels Device Tree Bindings > + > +maintainers: > + - Noralf Trønnes <[email protected]> > + > +description: > + This binding is for display panels using a MIPI DBI controller > + in SPI mode. > + > +allOf: > + - $ref: panel-common.yaml# > + - $ref: /schemas/spi/spi-peripheral-props.yaml# > + > +properties: > + compatible: > + const: panel-mipi-dbi-spi
You need contains here, otherwise it will error out if you have two compatibles.
> + write-only:
> + type: boolean
> + description:
> + Controller is not readable (ie. MISO is not wired up).
> +
> + dc-gpios:
> + maxItems: 1
> + description: |
> + Controller data/command selection (D/CX) in 4-line SPI mode.
> + If not set, the controller is in 3-line SPI mode.
> +
> +required:
> + - compatible
> + - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + spi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + display@0{
> + compatible = "panel-mipi-dbi-spi";
We should have two compatibles in the example too
Maxime
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