As we're going to introduce a driver for MIPI DBI panels that need only standard MIPI-DCS commands to initialize (usually because the controller has some configuration pre-programmed), add a DT binding file for it, which now includes only one DBI Type C Option 3 panel, ZSX154-B1206. Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxxxx> --- .../bindings/display/simple-dbi.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/simple-dbi.yaml diff --git a/Documentation/devicetree/bindings/display/simple-dbi.yaml b/Documentation/devicetree/bindings/display/simple-dbi.yaml new file mode 100644 index 000000000000..f49b0fda0935 --- /dev/null +++ b/Documentation/devicetree/bindings/display/simple-dbi.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/simple-dbi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic MIPI DCS-compatible DBI panels Device Tree Bindings + +maintainers: + - Icenowy Zheng <icenowy@xxxxxxxxxx> + +description: + This binding is for display panels that utilizes MIPI DBI Type C, follows + MIPI DCS and needs no vendor-specific initialization commands. + +properties: + compatible: + oneOf: + - description: + Zhishengxin ZSX154-B1206 1.54" 240x240 SPI LCD + items: + - const: zsx,zsx154-b1206 + + spi-max-frequency: + maximum: 30000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + +allOf: + - $ref: panel/panel-common.yaml# + - if: + properties: + compatible: + contains: + const: zsx,zsx154-b1206 + + then: + required: + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0 { + compatible = "zsx,zsx154-b1206"; + reg = <0>; + spi-max-frequency = <30000000>; + dc-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; + reset-gpios = <&r_pio 2 21 GPIO_ACTIVE_HIGH>; + }; + }; + +... -- 2.30.2
