1# linux\_khdf<a name="EN-US_TOPIC_0000001078489630"></a>
2
3-   [Introduction](#section11660541593)
4-   [Directory Structure](#section161941989596)
5-   [Repositories Involved](#section1371113476307)
6
7## Introduction<a name="section11660541593"></a>
8
9This repository stores the code and compilation scripts for the OpenHarmony driver subsystem to adapt to the Linux kernel and to deploy the hardware driver foundation \(HDF\).
10
11## Directory Structure<a name="section161941989596"></a>
12
13```
14/drivers/hdf_core/adapter/khdf/linux
15├── utils                # Compilation scripts for building and configuring the parsing code
16├── manager              # Code for starting and adapting to the HDF
17├── model                # Code for adapting to Linux
18│   ├── audio            # Audio driver model
19│   ├── display          # Display driver model
20│   ├── input            # Input driver model
21│   ├── misc             # Misc driver model, including dsoftbus, light, vibrator
22│   ├── network          # WLAN driver model
23│   ├── sensor           # Sensor driver model
24│   ├── storage          # Storage driver model
25│   ├── usb              # USB driver model
26├── network              # Code for adapting to the Linux kernel network
27├── osal                 # POSIX APIs for adapting to the Linux kernel
28├── platform             # Code for adapting the platform APIs to the Linux kernel
29│   ├── adc              # ADC APIs
30│   ├── emmc             # EMMC APIs
31│   ├── gpio             # GPIO APIs
32│   ├── i2c              # I2C APIs
33│   ├── mipi_csi         # MIPI CSI APIs
34│   ├── mipi_dsi         # MIPI DSI APIs
35│   ├── mmc              # MMC APIs
36│   ├── pwm              # PWM APIs
37│   ├── regulator        # Regulator APIs
38│   ├── rtc              # RTC APIs
39│   ├── sdio             # SDIO APIs
40│   ├── spi              # SPI APIs
41│   ├── uart             # UART APIs
42│   └── watchdog         # WATCHDOG APIs
43├── test                 # Testcase for testing the Linux kernel driver
44```
45
46## Repositories Involved<a name="section1371113476307"></a>
47
48[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver.md)
49
50[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README.md)
51
52[drivers\_adapter](https://gitee.com/openharmony/drivers_adapter/blob/master/README.md)
53
54[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README.md)
55
56[drivers\_peripheral](https://gitee.com/openharmony/drivers_peripheral/blob/master/README.md)
57
58