On Tue, May 23, 2017 at 10:49:23AM +0200, Linus Walleij wrote: > On Tue, May 16, 2017 at 5:31 PM, Charles Keepax > <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > Update the device tree binding to show that the new GPIO_SLEEP flags are > > now supported in the flags field of the GPIO binding for Arizona > > devices. > > > > Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > (...) > > - gpio-controller : Indicates this device is a GPIO controller. > > - #gpio-cells : Must be 2. The first cell is the pin number and the > > - second cell is used to specify optional parameters (currently unused). > > + second cell is used to specify optional parameters, the following flags > > + are supported: > > + "GPIO_SLEEP_MAY_LOOSE_OUTPUT" the output of this GPIO does not need to > > + be maintained whilst the CODEC is in low power mode. > > Your gpio controller most definately support more options than that, > for example open drain. > Not at the moment, there are potentially a few more things we could support with the hardware though. > But it is supposed to be a generic property so instead patch gpio.txt > and reference that file from here. > Yeah happy to move it over there. Thanks, Charles -- 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
