[PATCH v2] dt-bindings: display: sitronix, st7789v-dbi: Add Waveshare 2inch LCD module

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From: "Carlis" <zhangxuezhi1@xxxxxxxxxx>

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@xxxxxxxxxx>
---
v2:change compatible name.
---
 .../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..6abf82966230
--- /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:
+  - Carlis <zhangxuezhi1@xxxxxxxxxx>
+
+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>;
+            };
+    };
+
+...
-- 
2.25.1

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