[PATCH 1/2] dt-bindings: display: panel: Add WL-355608-A8 panel

[Ryan Walklin]

The WL-355608-A8 is a 3.5" 640x480 at 60Hz RGB LCD display from an unknown
OEM, used in a number of handheld gaming devices made by Anbernic.

Add a device tree binding for the panel.

Signed-off-by: Ryan Walklin <ryan at testtoast.com>
---
 .../bindings/display/panel/wl-355608-a8.yaml  | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/wl-355608-a8.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/wl-355608-a8.yaml b/Documentation/devicetree/bindings/display/panel/wl-355608-a8.yaml
new file mode 100644
index 000000000..af12303e2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/wl-355608-a8.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/wl-355608-a8.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: WL-355608-A8 3.5" (640x480 pixels) 24-bit IPS LCD panel
+
+maintainers:
+  - Ryan Walklin <ryan at testtoast.com>
+
+allOf:
+  - $ref: panel-common.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    const: wl-355608-a8
+
+  reg:
+    maxItems: 1
+
+  spi-3wire: true
+
+required:
+  - compatible
+  - reg
+  - port
+  - power-supply
+  - reset-gpios
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi_lcd: spi {
+        compatible = "spi-gpio";
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sck-gpios = <&pio 8 9 GPIO_ACTIVE_HIGH>; // PI9
+        mosi-gpios = <&pio 8 10 GPIO_ACTIVE_HIGH>; // PI10
+        cs-gpios = <&pio 8 8 GPIO_ACTIVE_HIGH>; // PI8
+        num-chipselects = <1>;
+
+        panel: panel at 0 {
+            compatible = "wl_355608_a8";
+            reg = <0>;
+
+            spi-3wire;
+            spi-max-frequency = <3125000>;
+
+            reset-gpios = <&pio 8 14 GPIO_ACTIVE_LOW>; // PI14
+
+            backlight = <&backlight>;
+            power-supply = <&reg_lcd>;
+            pinctrl-0 = <&lcd0_rgb888_pins>;
+            pinctrl-names = "default";
+
+            port {
+            	panel_in_rgb: endpoint {
+                    remote-endpoint = <&tcon_lcd0_out_lcd>;
+                };
+            };
+        };
+    };
-- 
2.45.1