On Tue, Oct 28, 2014 at 6:08 PM, Arnd Bergmann <a...@arndb.de> wrote: > On Tuesday 28 October 2014 13:20:34 Alexandre Courbot wrote: >> +GPIO properties should be named "[<name>-]gpios", with <name> being the >> con_id >> +argument that is passed to gpiod_get(). While a NULL con_id is accepted by >> the >> +GPIO API for compatibility reasons (resolving to the "gpios" property), it >> is >> +not allowed for new bindings. >> + >> +GPIO properties can contain one or more GPIO phandles, but only in >> exceptional >> +cases should they contain more than one. If your device uses several GPIOs >> with >> +distinct functions, reference each of them under its own property, giving >> it a >> +meaningful name. The only case where an array of GPIOs is accepted is when >> +several GPIOs serve the same function (e.g. a parallel data line). In that >> case >> +individual GPIOs can be retrieved using gpiod_get_index(). >> + >> +The exact meaning of each gpios property must be documented in the device >> tree >> binding for each device. > > The binding should be written in an OS neutral way, so it would be better to > avoid > direct references to Linux APIs in the part that specifies the allowed > properties. > > Could you reword this so the Linux interfaces are described in an > "implementation > notes" section that is separate from the main part?
You're right - will fix this and resubmit. Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
