rk3399自制板内核

cd /path/to/rk-linux_bak
sudo chmod +x build/mk-kernel.sh
build/mk-kernel.sh rk3399-orangepi

......省略.......

&usbdrd3_0 {
	extcon = <&fusb0>;//加进去
	status = "okay";
};

......省略.......

&i2c0 {
	status = "okay";
	i2c-scl-rising-time-ns = <475>;
	i2c-scl-falling-time-ns = <26>; //i2c0:不注释，i2c4:注释 
	//i2c-scl-rising-time-ns = <168>;
	//i2c-scl-falling-time-ns = <4>;//i2c0:注释，i2c4:不注释
	clock-frequency = <400000>;

	fusb0: fusb30x@22 {
		compatible = "fairchild,fusb302";
		reg = <0x22>;
		pinctrl-names = "default";
		pinctrl-0 = <&fusb0_int>;
		vbus-5v-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
		int-n-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};
    ......省略.......
};

&i2c4 {
	status = "okay";
	i2c-scl-rising-time-ns = <475>;
	i2c-scl-falling-time-ns = <26>;
	//看到这个和i2c0一样了吗？如果用I2C4的话把i2c0注释掉然后把这个打开
	/*
    fusb0: fusb30x@22 {
		compatible = "fairchild,fusb302";
		reg = <0x22>;
		pinctrl-names = "default";
		pinctrl-0 = <&fusb0_int>;
		vbus-5v-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
		int-n-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};
*/
};

......省略.......