In which folder are the linux driver files located?

The location of the Linux driver file: 1. The key driver is in the "kernal\drivers\input\keyboard" and "kernal\drivers\char" folders; 2. The network card driver is in "kernal\drivers\net\ " folder; 3. The serial port driver is in the "kernal\drivers\serial\" folder; 4. The real-time clock RTC driver is in the "kernal\drivers\rtc\" folder.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

Which folder is the Linux driver file in?

Common directories that need to be checked after the driver is loaded:

• /proc/devices: Check the character device device number

• /sys/class/gpio: export/unexport gpio

• /sys/bus/i2c/devices: View all i2c bus Device

Linux’s own driver is stored in the kernel source code directory. The specific directory is as follows

• Button Driver

kernal\drivers\input\keyboard

kernal\drivers\char

• LED driver

##kernal\drivers\char\led.c

kernal\drivers\leds

• Network card driver

kernal\drivers\net\

• Serial driver

kernal\drivers\serial\

• Real-time clock RTC driver

kernal\drivers\rtc\

• Touch screen driver

##kernal\drivers\input \touchscreen\

YAFFS file system source code directory

kernal\fs\yaffs2

USB mouse and keyboard driver

kernal\drivers\hid

SD /MMC card driver directory

kernal\drivers\mmc\

Nand flash driver

kernal\drivers\mtd\nand

Audio driver directory

kernal\sound\oss\ud

##kernal\drivers\

LCD driver

kernal\drivers\video\

U disk support driver

kernal\drivers\usb \storage

Vimicro USB Camera Driver

• ##kernal\drivers\media\gspca

Recommended learning: Linux video tutorial

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