On Thu, Jul 02, 2015 at 09:36:22AM +0200, Sebastian Andrzej Siewior wrote: > If you are in a specific SoC you could do > base = of_alias_get_id(np, "gpio") * num_of_gpio_per_chip > and get consistent numbers / sane.
And what about /sys/class/gpio ? > I think this is the one reason why there is no generic binding for the > starting address. The other reason might be that this is simply a user > space problem. To get consistent numbers all you need to do to lookup > each gpio's memory address and decide if this is the one you look for. The user should be able to simply look up a GPIO in the data sheet, and then use it from a shell script. Why not make that easy to do? (Other gpio controllers are doing that, too, BTW.) Thanks, Richard -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
