Re: [PATCH 1/3] gpio - Add EXAR XRA1403 SPI GPIO expander driver

From: Rob Herring
Date: Fri Mar 31 2017 - 08:38:09 EST


On Mon, Mar 27, 2017 at 09:23:00AM +0300, Nandor Han wrote:
> This is a simple driver that provides a /sys/class/gpio
> interface for controlling and configuring the GPIO lines.
> It does not provide support for chip select or interrupts.
>
> Signed-off-by: Nandor Han <nandor.han@xxxxxx>
> Signed-off-by: Semi Malinen <semi.malinen@xxxxxx>
> ---
> .../devicetree/bindings/vendor-prefixes.txt | 1 +

This should go with the binding patch or by itself.

> drivers/gpio/Kconfig | 5 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-xra1403.c | 252 +++++++++++++++++++++
> 4 files changed, 259 insertions(+)
> create mode 100644 drivers/gpio/gpio-xra1403.c