dt-bindings: display: panel: add Ilitek ili9806e panel controller

Add the device tree binding for the Ilitek ILI9806E controller which can
be found on the Ortustech COME35H3P70ULC DSI display panel.

There are no peculiarities except for two different power signals.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20240626144433.3097793-2-mwalle@kernel.org
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240626144433.3097793-2-mwalle@kernel.org

1 files changed, 63 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
new file mode 100644
index 000000000000..cfd7cc9c8725
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/ilitek,ili9806e.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9806E based MIPI-DSI panels
+
+maintainers:
+  - Michael Walle <mwalle@kernel.org>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - ortustech,com35h3p70ulc
+      - const: ilitek,ili9806e
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+  vccio-supply: true
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+  - vccio-supply
+  - reset-gpios
+  - backlight
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "ortustech,com35h3p70ulc", "ilitek,ili9806e";
+            reg = <0>;
+            vdd-supply = <&reg_vdd_panel>;
+            vccio-supply = <&reg_vccio_panel>;
+            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
+            backlight = <&backlight>;
+
+            port {
+                panel_in: endpoint {
+                    remote-endpoint = <&dsi_out>;
+                };
+            };
+        };
+    };
+
+...