On Wed, Dec 14, 2016 at 10:00:46AM +0100, Arnd Bergmann wrote: > 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. There already is - drivers/gpio/gpio-74x164.c -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
