From: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> Add device tree binding documentation for the ov8856 camera sensor. Signed-off-by: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> --- .../devicetree/bindings/media/i2c/ov8856.txt | 41 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ov8856.txt diff --git a/Documentation/devicetree/bindings/media/i2c/ov8856.txt b/Documentation/devicetree/bindings/media/i2c/ov8856.txt new file mode 100644 index 0000000..96b10e0 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ov8856.txt @@ -0,0 +1,41 @@ +* Omnivision OV8856 MIPI CSI-2 sensor + +Required Properties: +- compatible: shall be "ovti,ov8856" +- clocks: reference to the xvclk input clock +- clock-names: shall be "xvclk" +- avdd-supply: Analog voltage supply, 2.8 volts +- dovdd-supply: Digital I/O voltage supply, 1.8 volts +- dvdd-supply: Digital core voltage supply, 1.2 volts +- reset-gpios: Low active reset gpio + +The device node shall contain one 'port' child node with an +'endpoint' subnode for its digital output video port, +in accordance with the video interface bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. +The endpoint optional property 'data-lanes' shall be "<0 1 3 4>". + +Example: +&i2c7 { + ov8856: camera-sensor@10 { + compatible = "ovti,ov8856"; + reg = <0x10>; + pinctrl-names = "default"; + pinctrl-0 = <&clk_24m_cam>; + + clocks = <&cru SCLK_TESTCLKOUT1>; + clock-names = "xvclk"; + + avdd-supply = <&mt6358_vcama2_reg>; + dvdd-supply = <&mt6358_vcamd_reg>; + dovdd-supply = <&mt6358_vcamio_reg>; + reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + + port { + wcam_out: endpoint { + remote-endpoint = <&mipi_in_wcam>; + data-lanes = <0 1 3 4>; + }; + }; + }; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 783569e..7746c6b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11889,6 +11889,7 @@ L: linux-media@xxxxxxxxxxxxxxx T: git git://linuxtv.org/media_tree.git S: Maintained F: drivers/media/i2c/ov8856.c +F: Documentation/devicetree/bindings/media/i2c/ov8856.txt OMNIVISION OV9650 SENSOR DRIVER M: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> -- 2.9.2