# rk3399-kernel

**Repository Path**: harryzhangabc/rk3399-kernel

## Basic Information

- **Project Name**: rk3399-kernel
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 1
- **Created**: 2020-11-16
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# rk3399自制板内核

### 源码下载

链接: https://pan.baidu.com/s/1znZPWv5bLWEF7reA76hBGA 提取码: q9ht 复制这段内容后打开百度网盘手机App，操作更方便哦 
--来自百度网盘超级会员v3的分享

### 编译指令
```bash
cd /path/to/rk-linux_bak
sudo chmod +x build/mk-kernel.sh
build/mk-kernel.sh rk3399-orangepi
```
### 修改的地方
- 源文件没有，需要自己添加。  
- 修改的路径：rk-linux_bak\kernel\arch\arm64\boot\dts\rockchip\rk3399-sapphire.dtsi  
```cpp
......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.......
```

### 如何添加USB_NET功能

请参考这个：https://gitee.com/harryzhangabc/ros_bridge-and-catographer-setup/blob/tutorials/README.md