lfs/kernel_drivers_examples

mirror of https://github.com/54shady/kernel_drivers_examples.git synced 2026-01-13 16:02:37 +00:00

Files

History

zeroway d15aabe7fd kset example

2017-11-12 16:15:17 +00:00

..

.gitignore

RK3399 : gpios platform show store skeleton

2017-10-01 00:10:57 +00:00

kset_skeleton.c

kset example

2017-11-12 16:15:17 +00:00

Makefile

kset example

2017-11-12 16:15:17 +00:00

README.md

RK3399 : gpios platform show store skeleton

2017-10-01 00:10:57 +00:00

skeleton_ss.c

RK3399 : gpios platform show store skeleton

2017-10-01 00:10:57 +00:00

skeleton_ss.dtsi

RK3399 : gpios platform show store skeleton

2017-10-01 00:10:57 +00:00

skeleton_ss.h

RK3399 : gpios platform show store skeleton

2017-10-01 00:10:57 +00:00

README.md

Usage

把dtsi文件包含到所使用的dts里

#include "skeleton_ss.dtsi"

debug

拉高pin_a_name(GPIO1_B2)

echo 0 1 > /sys/devices/platform/skeleton_gpios/egpios_debug

拉低pin_a_name(GPIO1_B2)

echo 0 0 > /sys/devices/platform/skeleton_gpios/egpios_debug

查看相应管脚状态

cat /sys/devices/platform/skeleton_gpios/egpios_debug
cat /sys/kernel/debug/gpio | grep pin_