dt-bindings: display: panel: Add Samsung AMS495QA01

Add documentation for Samsung AMS495QA01 panel (with Magnachip
D53E6EA8966 controller IC).

Co-developed-by: Maya Matuszczyk <[e-mail]>
Signed-off-by: Maya Matuszczyk <[e-mail]>
Signed-off-by: Chris Morgan <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

Documentation/devicetree/bindings/display/panel/samsung,ams495qa01.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,ams495qa01.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung AMS495QA01 panel with Magnachip D53E6EA8966 controller
+
+maintainers:
+  - Chris Morgan <[e-mail]>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: samsung,ams495qa01
+
+  reg: true
+  reset-gpios:
+    description: reset gpio, must be GPIO_ACTIVE_LOW
+  elvdd-supply:
+    description: regulator that supplies voltage to the panel display
+  enable-gpios: true
+  port: true
+  vdd-supply:
+    description: regulator that supplies voltage to panel logic
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "samsung,ams495qa01";
+            reg = <0>;
+            reset-gpios = <&gpio4 0 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc_3v3>;
+
+            port {
+                mipi_in_panel: endpoint {
+                  remote-endpoint = <&mipi_out_panel>;
+                };
+            };
+        };
+    };
+
+...