dt-bindings: display: panel: Document Renesas R61307 based DSI panel

R61307 is liquid crystal driver for high-definition amorphous silicon
(a-Si) panels and is ideal for tablets and smartphones.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250506092718.106088-2-clamor95@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

diff --git a/Documentation/devicetree/bindings/display/panel/renesas,r61307.yaml b/Documentation/devicetree/bindings/display/panel/renesas,r61307.yaml
new file mode 100644 (file)
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+++ b/Documentation/devicetree/bindings/display/panel/renesas,r61307.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/renesas,r61307.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas R61307 based DSI Display Panel
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@gmail.com>
+
+description:
+  The Renesas R61307 is a generic DSI Panel IC used to control LCD panels.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+            # KOE/HITACHI TX13D100VM0EAA 5.0" XGA TFT LCD panel
+          - hit,tx13d100vm0eaa
+          - koe,tx13d100vm0eaa
+      - const: renesas,r61307
+
+  reg:
+    maxItems: 1
+
+  vcc-supply:
+    description: Regulator for main power supply.
+
+  iovcc-supply:
+    description: Regulator for 1.8V IO power supply.
+
+  backlight: true
+
+  renesas,gamma:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      0 - disabled
+      1-3 - gamma setting A presets
+    enum: [0, 1, 2, 3]
+
+  renesas,column-inversion:
+    type: boolean
+    description: switch between line and column inversion. The line
+      inversion is set by default.
+
+  renesas,contrast:
+    type: boolean
+    description: digital contrast adjustment
+
+  reset-gpios: true
+  port: true
+
+required:
+  - compatible
+  - port
+  - backlight
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@1 {
+            compatible = "koe,tx13d100vm0eaa", "renesas,r61307";
+            reg = <1>;
+
+            reset-gpios = <&gpio 176 GPIO_ACTIVE_LOW>;
+
+            renesas,gamma = <3>;
+            renesas,column-inversion;
+            renesas,contrast;
+
+            vcc-supply = <&vcc_3v0_lcd>;
+            iovcc-supply = <&iovcc_1v8_lcd>;
+
+            backlight = <&backlight>;
+
+            port {
+                panel_in: endpoint {
+                    remote-endpoint = <&dsi_out>;
+                };
+            };
+        };
+    };
+...