[PATCH 3/3] dt-bindings: panel: Add bindings for MRB2801

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From: Mikhail Durnev <mikhail_durnev@xxxxxxxxxx>

Add binding for Ronbo MRB2801 display module.

This binding is for display panels using an Ilitek ILI9341 controller in
parallel mode.

Signed-off-by: Mikhail Durnev <mikhail_durnev@xxxxxxxxxx>
---
 .../devicetree/bindings/display/ronbo,mrb2801.txt  | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/ronbo,mrb2801.txt

diff --git a/Documentation/devicetree/bindings/display/ronbo,mrb2801.txt b/Documentation/devicetree/bindings/display/ronbo,mrb2801.txt
new file mode 100644
index 0000000..db1a861e
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ronbo,mrb2801.txt
@@ -0,0 +1,42 @@
+MRB2801 display panel
+
+This binding is for display panels using an Ilitek ILI9341 controller in
+parallel mode.
+
+Required properties:
+- compatible:		"ronbo,mrb2801"
+- dc-gpios:		D/C pin
+- wr-gpios:		W/R pin
+- db-gpios:		8 or 16 DB pins
+- reset-gpios:		Reset pin
+- wr-up-down-delays:	Delays in ns for changing W/R from down to up and from up to down
+
+Optional properties:
+- backlight:	phandle of the backlight device attached to the panel
+- rotation:	panel rotation in degrees counter clockwise (0,90,180,270)
+
+Example:
+	mrb2801{
+		compatible = "ronbo,mrb2801";
+		db-gpios = <&gpio 17 0>, /* DB0 */
+			   <&gpio 18 0>, /* DB1 */
+			   <&gpio 27 0>, /* DB2 */
+			   <&gpio 22 0>, /* DB3 */
+			   <&gpio 23 0>, /* DB4 */
+			   <&gpio 24 0>, /* DB5 */
+			   <&gpio 25 0>, /* DB6 */
+			   <&gpio  4 0>, /* DB7 */
+			   <&gpio 14 0>, /* DB8 */
+			   <&gpio 15 0>, /* DB9 */
+			   <&gpio  5 0>, /* DB10 */
+			   <&gpio  6 0>, /* DB11 */
+			   <&gpio 13 0>, /* DB12 */
+			   <&gpio 19 0>, /* DB13 */
+			   <&gpio 26 0>, /* DB14 */
+			   <&gpio 12 0>; /* DB15 */
+		dc-gpios = <&gpio 16 0>; /* D/C */
+		wr-gpios = <&gpio 20 0>; /* W/R */
+		wr-up-down-delays = <10 51>;
+		reset-gpios = <&gpio 21 0>; /* RST */
+		backlight = <&backlight>;
+	};
-- 
2.7.4

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