[PATCH v2 2/3] dt-bindings: display: panel: Add panels based on ILITEK ILI9806E

[Luca Ceresoli <luca.ceresoli@bootlin.com>]

Add bindings for LCD panels based on the ILITEK ILI9806E RGB controller
connected over SPI and the "ShenZhen New Display Co NDS040480800-V3"
480x800 panel based on it.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

---

Changes in v2:
 - remove T: line form MAINTAINERS entry
 - reference spi-peripheral-props.yaml
 - add 'maxItems: 1' to reg
 - use unevaluatedProperties
 - remove out of scope backlight node
---
 .../display/panel/ilitek,ili9806e.yaml        | 63 +++++++++++++++++++
 MAINTAINERS                                   |  5 ++
 2 files changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml

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..83d177be4e7d
--- /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 display panels
+
+maintainers:
+  - Luca Ceresoli <luca.ceresoli@bootlin.com>
+
+description:
+  This binding is for display panels using an Ilitek ILI9806E controller in
+  SPI mode.
+
+allOf:
+  - $ref: panel-common.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          # ShenZhen New Display Co 3.97" 480x800 RGB a-SI TFT LCD
+          - newdisplay,nds040480800-v3
+      - const: ilitek,ili9806e
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        display@0 {
+            compatible = "newdisplay,nds040480800-v3", "ilitek,ili9806e";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            pinctrl-names = "default";
+            pinctrl-0 = <&pinctrl_lcdgpios>;
+            reset-gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
+            backlight = <&backlight>;
+
+            port {
+                ili9806e_in: endpoint {
+                    remote-endpoint = <&lcdif_out>;
+                };
+            };
+        };
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 0f966f05fb0d..085e44a7b5e1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6516,6 +6516,11 @@ T:	git git://anongit.freedesktop.org/drm/drm-misc
 F:	Documentation/devicetree/bindings/display/ilitek,ili9486.yaml
 F:	drivers/gpu/drm/tiny/ili9486.c
 
+DRM DRIVER FOR ILITEK ILI9806E PANELS
+M:	Luca Ceresoli <luca.ceresoli@bootlin.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml
+
 DRM DRIVER FOR JADARD JD9365DA-H3 MIPI-DSI LCD PANELS
 M:	Jagan Teki <jagan@edgeble.ai>
 S:	Maintained
-- 
2.34.1