Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius | Date | Wed, 14 Dec 2016 10:00:46 +0100 |
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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
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