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. But it is supposed to be a generic property so instead patch gpio.txt and reference that file from here. Yours, Linus Walleij -- 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