Add the document for ov2640 dt.
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Josh Wu <josh.wu@xxxxxxxxx>
---
.../devicetree/bindings/media/i2c/ov2640.txt | 43 ++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/i2c/ov2640.txt
diff --git a/Documentation/devicetree/bindings/media/i2c/ov2640.txt b/Documentation/devicetree/bindings/media/i2c/ov2640.txt
new file mode 100644
index 0000000..adec147
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ov2640.txt
@@ -0,0 +1,43 @@
+* Omnivision ov2640 CMOS sensor
+
+The Omnivision OV2640 sensor support multiple resolutions output, such as
+CIF, SVGA, UXGA. It also can support YUV422/420, RGB565/555 or raw RGB
+output format.
+
+Required Properties :
+- compatible : Must be "omnivision,ov2640"
+- reset-gpio : reset pin
+- power-down-gpio : power down pin
+
+Optional Properties:
+- clocks : reference master clock, if using external fixed clock, you
+ no need to have such property.
+- clock-names : Must be "mck", it means the master clock for ov2640.
+
+For further reading of port node refer Documentation/devicetree/bindings/media/
+video-interfaces.txt.
+
+Example:
+
+ i2c1: i2c@f0018000 {
+ ov2640: camera@0x30 {
+ compatible = "omnivision,ov2640";
+ reg = <0x30>;
+
+ ... ...
+
+ reset-gpio = <&pioE 24 GPIO_ACTIVE_HIGH>;
+ power-down-gpio = <&pioE 29 GPIO_ACTIVE_HIGH>;
+
+ /* use pck1 for the master clock of ov2640 */
+ clocks = <&pck1>;
+ clock-names = "mck";
+
+ port {
+ ov2640_0: endpoint {
+ remote-endpoint = <&isi_0>;
+ bus-width = <8>;
+ };
+ };
+ };
+ };
--
1.9.1
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