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

From: Luca Ceresoli
Date: Thu Aug 10 2023 - 10:41:36 EST


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@xxxxxxxxxxx>

---

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@xxxxxxxxxxx>
+
+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@xxxxxxxxxxx>
+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@xxxxxxxxxx>
S: Maintained
--
2.34.1