gpio: nuvoton: Add Nuvoton NPCM sgpio driver

Browse source

Add Nuvoton BMC NPCM7xx/NPCM8xx sgpio driver support.
Nuvoton NPCM SGPIO module is combine serial to parallel IC (HC595)
and parallel to serial IC (HC165), and use APB3 clock to control it.
This interface has 4 pins  (D_out , D_in, S_CLK, LDSH).
BMC can use this driver to increase 64 GPI pins and 64 GPO pins to use.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

...

This commit is contained in:

Jim Liu 2023-12-29 15:45:08 +08:00 • committed by Bartosz Golaszewski

parent a0e4375cb0

commit c4f8457d17

3 changed files with 627 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

drivers/gpio/Kconfig

View file

1

drivers/gpio/Makefile

View file

619

drivers/gpio/gpio-npcm-sgpio.c

View file