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 <noralf@xxxxxxxxxxx> > --- > .../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 <noralf@xxxxxxxxxxx> > + > +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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