[PATCH 5/6] media: ov772x: add device tree binding

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This adds a device tree binding documentation for OV7720/OV7725 sensor.

Cc: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
 .../devicetree/bindings/media/i2c/ov772x.txt       | 36 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ov772x.txt

diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.txt b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
new file mode 100644
index 0000000..9b0df3b
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
@@ -0,0 +1,36 @@
+* Omnivision OV7720/OV7725 CMOS sensor
+
+Required Properties:
+- compatible: shall be one of
+	"ovti,ov7720"
+	"ovti,ov7725"
+- clocks: reference to the xclk input clock.
+- clock-names: shall be "xclk".
+
+Optional Properties:
+- rstb-gpios: reference to the GPIO connected to the RSTB pin, if any.
+- pwdn-gpios: reference to the GPIO connected to the PWDN pin, if any.
+
+The device node shall contain one 'port' child node with one child 'endpoint'
+subnode for its digital output video port, in accordance with the video
+interface bindings defined in Documentation/devicetree/bindings/media/
+video-interfaces.txt.
+
+Example:
+
+&i2c0 {
+	ov772x: camera@21 {
+		compatible = "ovti,ov7725";
+		reg = <0x21>;
+		rstb-gpios = <&axi_gpio_0 0 GPIO_ACTIVE_LOW>;
+		pwdn-gpios = <&axi_gpio_0 1 GPIO_ACTIVE_LOW>;
+		clocks = <&xclk>;
+		clock-names = "xclk";
+
+		port {
+			ov772x_0: endpoint {
+				remote-endpoint = <&vcap1_in0>;
+			};
+		};
+	};
+};
diff --git a/MAINTAINERS b/MAINTAINERS
index 7e48624..3e0224a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10295,6 +10295,7 @@ T:	git git://linuxtv.org/media_tree.git
 S:	Odd fixes
 F:	drivers/media/i2c/ov772x.c
 F:	include/media/i2c/ov772x.h
+F:	Documentation/devicetree/bindings/media/i2c/ov772x.txt
 
 OMNIVISION OV7740 SENSOR DRIVER
 M:	Wenyou Yang <wenyou.yang@xxxxxxxxxxxxx>
-- 
2.7.4




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