From: Xuezhi Zhang zhangxuezhi1@yulong.com
Document support for the Waveshare 2inch LCD module display, which is a 240x320 2" TFT display driven by a Sitronix ST7789V TFT Controller.
Signed-off-by: Xuezhi Zhang zhangxuezhi1@yulong.com --- v2:change compatible value. v3:change author name. v4:delete a maintainer. --- .../display/sitronix,st7789v-dbi.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sitronix,st7789v-dbi.yaml
diff --git a/Documentation/devicetree/bindings/display/sitronix,st7789v-dbi.yaml b/Documentation/devicetree/bindings/display/sitronix,st7789v-dbi.yaml new file mode 100644 index 000000000000..79eb8f3fc25d --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7789v-dbi.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/sitronix,st7789v-dbi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sitronix ST7789V Display Panels Device Tree Bindings + +maintainers: + - Xuezhi Zhang zhangxuezhi1@yulong.com + +description: + This binding is for display panels using a Sitronix ST7789V + controller in SPI mode. + +allOf: + - $ref: panel/panel-common.yaml# + +properties: + compatible: + oneOf: + - description: + Waveshare 2" 240x320 Color TFT LCD + items: + - enum: + - waveshare,ws2inch + - const: sitronix,st7789v-dbi + + spi-max-frequency: + maximum: 32000000 + + dc-gpios: + maxItems: 1 + description: Display data/command selection (D/CX) + + backlight: true + reg: true + reset-gpios: true + rotation: true + +required: + - compatible + - reg + - dc-gpios + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 18 GPIO_ACTIVE_HIGH>; + }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + + display@0{ + compatible = "waveshare,ws2inch", "sitronix,st7789v-dbi"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>; + rotation = <270>; + }; + }; + +...