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>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
* v3
- Add Reviewed-by: lines
.../devicetree/bindings/media/i2c/ov772x.txt | 42 ++++++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 43 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..b045503
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov772x.txt
@@ -0,0 +1,42 @@
+* Omnivision OV7720/OV7725 CMOS sensor
+
+The Omnivision OV7720/OV7725 sensor supports multiple resolutions output,
+such as VGA, QVGA, and any size scaling down from CIF to 40x30. It also can
+support the YUV422, RGB565/555/444, GRB422 or raw RGB output formats.
+
+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:
+- reset-gpios: reference to the GPIO connected to the RSTB pin which is
+ active low, if any.
+- powerdown-gpios: reference to the GPIO connected to the PWDN pin which is
+ active high, 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>;
+ reset-gpios = <&axi_gpio_0 0 GPIO_ACTIVE_LOW>;
+ powerdown-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 5ae51d0..1cc5fb1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10353,6 +10353,7 @@ 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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