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sunxi: add csi video support for nanopi-neo-air #918

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sunxi: add csi video support for nanopi-neo-air #918

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85 changes: 85 additions & 0 deletions arch/arm/boot/dts/allwinner/sun8i-h3-nanopi-neo-air.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,39 @@
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
};

cam_xclk: cam-xclk {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
clock-output-names = "cam-xclk";
};

reg_cam_avdd: cam-avdd {
compatible = "regulator-fixed";
regulator-name = "cam-avdd";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
vin-supply = <&reg_vcc3v3>;
};

reg_cam_dovdd: cam-dovdd {
compatible = "regulator-fixed";
regulator-name = "cam-dovdd";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&reg_vcc3v3>;
};

reg_cam_dvdd: cam-dvdd {
compatible = "regulator-fixed";
regulator-name = "cam-dvdd";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
vin-supply = <&reg_vcc3v3>;
};


};

&mmc0 {
Expand Down Expand Up @@ -141,3 +174,55 @@
/* USB VBUS is always on */
status = "okay";
};

&csi {
status = "okay";

port {
#address-cells = <1>;
#size-cells = <0>;

/* Parallel bus endpoint */
csi_from_ov5640: endpoint {
remote-endpoint = <&ov5640_to_csi>;
bus-width = <8>;
data-shift = <2>;
hsync-active = <1>; /* Active high */
vsync-active = <0>; /* Active low */
data-active = <1>; /* Active high */
pclk-sample = <1>; /* Rising */
};
};
};

&i2c2 {
status = "okay";

ov5640: camera@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&cam_xclk>;
clock-names = "xclk";

reset-gpios = <&pio 4 14 GPIO_ACTIVE_LOW>;
powerdown-gpios = <&pio 4 15 GPIO_ACTIVE_HIGH>;
AVDD-supply = <&reg_cam_avdd>;
DOVDD-supply = <&reg_cam_dovdd>;
DVDD-supply = <&reg_cam_dvdd>;

port {
ov5640_to_csi: endpoint {
remote-endpoint = <&csi_from_ov5640>;
bus-width = <8>;
data-shift = <2>;
hsync-active = <1>; /* Active high */
vsync-active = <0>; /* Active low */
data-active = <1>; /* Active high */
pclk-sample = <1>; /* Rising */
};
};
};
};
&i2c2_pins {
bias-pull-up;
};