Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius

[Arnd Bergmann]

On Wednesday, December 14, 2016 9:55:47 AM CET Arnd Bergmann wrote:
> According to your introductory mail, the interface is assumed to be
> a 74HC164. Should we use that ID in the compatible string?
> 
> We can always add other strings later if we want to support multiple
> wire formats.

Actually, looking up 74hc164, that seems to be a gpio expander,
so maybe a more flexible way to do the same is to put a driver
for the expander into drivers/gpio/ and have the main driver
access the outputs of that using the gpiolib interface.

	Arnd