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

YAFFS file system source code directory

USB mouse and keyboard driver

SD /MMC card driver directory

Nand flash driver

Audio driver directory

##kernal\drivers\

kernal\drivers\video\

kernal\drivers\usb \storage

• ##kernal\drivers\media\gspca

Recommended learning: Linux video tutorial

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