The RA8875 is an SPI-connected TFT display controller by RAiO Technology Inc. It supports display resolutions of up to 800x480.
Add YAML binding schema for the RA8875 controller, along with the raio vendor prefix for RAiO Technology Inc. Signed-off-by: Adam Azuddin <[email protected]> --- .../bindings/display/panel/raio,ra8875.yaml | 76 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml diff --git a/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml b/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml new file mode 100644 index 000000000000..a49521242763 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/raio,ra8875.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/raio,ra8875.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RAiO RA8875 Display Controller + +maintainers: + - Adam Azuddin <[email protected]> + +description: | + This binding is for display panels using an RAiO RA8875 controller + connected via SPI. + +allOf: + - $ref: panel-common.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: raio,ra8875 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 25000000 + + reset-gpios: + maxItems: 1 + description: GPIO used to reset the controller, optional + + vcc-supply: + description: Regulator that provides the VCC voltage, optional + + display-timings: + $ref: /schemas/display/panel/display-timings.yaml# + +required: + - compatible + - reg + - display-timings + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + ra8875: ra8875@0 { + compatible = "raio,ra8875"; + reg = <0>; + spi-max-frequency = <16000000>; + reset-gpios = <&gpio 25 GPIO_ACTIVE_LOW>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <25000000>; + hactive = <800>; + vactive = <480>; + hfront-porch = <40>; + hsync-len = <40>; + hback-porch = <40>; + vfront-porch = <10>; + vsync-len = <10>; + vback-porch = <20>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 28784d66ae7b..ca453042f6a2 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1361,6 +1361,8 @@ patternProperties: description: Radxa "^raidsonic,.*": description: RaidSonic Technology GmbH + "^raio,.*": + description: RAiO Technology Inc. "^ralink,.*": description: Mediatek/Ralink Technology Corp. "^ramtron,.*": -- 2.54.0
