On Thu, Jul 02, 2015 at 04:30:47PM +0200, Sebastian Andrzej Siewior wrote: > On 07/02/2015 04:26 PM, Richard Cochran wrote: > > 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 ? > > What about it? The poor users of that interface cannot use "of_alias_get_id" as you suggest. > > (Other gpio controllers are doing that, too, BTW.) > > I'm not saying that you should not do so. There is _no_ generic binding > for this and this is what I suggest. I can surely change "snps,base" to something like "gpio-base" as a generic binding. Would that be better? I expected to find the base number as a standard property, but I'm no DT expert, and I have learned not to question it. Thanks, Richard -- 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
