[PATCH] dt-bindings: display: sitronix,st7789v: Add Waveshare 2inch LCD module

Carlis
2021-03-10T14:09:07Z

From: "Carlis" <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: Carlis <zhangxuezhi1@yulong.com>
---
.../bindings/display/sitronix,st7789v.yaml | 72 ++++++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/sitronix,st7789v.yaml

diff --git a/Documentation/devicetree/bindings/display/sitronix,st7789v.yaml b/Documentation/devicetree/bindings/display/sitronix,st7789v.yaml
new file mode 100644
index 0000000..8a0f21a
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/sitronix,st7789v.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/sitronix,st7789v.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST7789V Display Panels Device Tree Bindings
+
+maintainers:
+ - Carlis <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,ws-2inch-lcd
+ - const: sitronix,st7789v
+
+ 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,ws-2inch-lcd", "sitronix,st7789v";
+ reg = <0>;
+ spi-max-frequency = <32000000>;
+ dc-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
+ rotation = <270>;
+ };
+ };
+
+...
--
1.9.1