gpio: xra1403: Add EXAR XRA1403 SPI GPIO expander driver
authorNandor Han <nandor.han@ge.com>
Mon, 15 May 2017 05:58:25 +0000 (08:58 +0300)
committerLinus Walleij <linus.walleij@linaro.org>
Mon, 22 May 2017 15:48:41 +0000 (17:48 +0200)
commit5704520d7880ee8b5d759e83df6090ea9f1a9b06
tree841cf63426aded1e433d92943ae7a53ae5e54448
parent7808c42b4043f71daa91acdf7454d94ed5b7178e
gpio: xra1403: Add EXAR XRA1403 SPI GPIO expander driver

This driver support basic XRA1403 functionalities:
    - set gpio direction
    - get gpio direction
    - set gpio high/low
    - get gpio status

Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Semi Malinen <semi.malinen@ge.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/Kconfig
drivers/gpio/Makefile
drivers/gpio/gpio-xra1403.c [new file with mode: 0644]