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Subject[PATCH 1/2] dt-bindings: add binding for tft displays based on ilitek,ili9488
Date
This binding is for the tft displays based on ilitek,ili9488.
waveshare,waveshare,pico-rt-lcd-35 (waveshare pico-restouch-lcd-3.5)

Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
---
.../bindings/display/ilitek,ili9488.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9488.yaml

diff --git a/Documentation/devicetree/bindings/display/ilitek,ili9488.yaml b/Documentation/devicetree/bindings/display/ilitek,ili9488.yaml
new file mode 100644
index 0000000000000..879ecc42c350c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ilitek,ili9488.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/ilitek,ili9488.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9488 display panels device tree bindings
+
+maintainers:
+ - Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com>
+ - Michael Trimarchi <michael@amarulasolutions.com>
+ - Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
+
+description:
+ This binding is for display panels using an Ilitek ILI9488 controller in SPI
+ mode.
+
+allOf:
+ - $ref: panel/panel-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ # Waveshare 3.5" 320x480 Color TFT LCD
+ - "waveshare,pico-rt-lcd-35"
+ - const: ilitek,ili9488
+
+ spi-max-frequency:
+ maximum: 20000000
+
+ dc-gpios:
+ maxItems: 1
+ description: Display data/command selection (D/CX)
+
+ backlight: true
+ reg: true
+ reset-gpios: true
+ rotation: true
+
+required:
+ - compatible
+ - reg
+ - dc-gpios
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ backlight: backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
+ };
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+
+ display@0{
+ compatible = "waveshare,pico-rt-lcd-35", "ilitek,ili9488";
+ reg = <0>;
+ spi-max-frequency = <20000000>;
+ dc-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>;
+ backlight = <&backlight>;
+ };
+ };
+
+...
--
2.25.1
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