Hi Andrew, On 11/04/2015 23:28, Andrew Lunn wrote: >> When power button is pressed to turn the NAS off, weltrend signals >> the SoC by driving mpp63 line low. Apparently right now pinctrl assumes >> that this line can only work as 'gpo' that screws up gpio-buttons driver. >> Since without gpio-buttons, mpp63 works as input properly via sysfs >> interface, I've added a patch for pinctrl-armada-370.c that fixes the >> issue. > > Hi Andrew > > This is odd. I just checked the Marvell datasheets, and they list this > pin a GPO. > > We probably want Thomas or Gregory to check this with Marvell. I have check on the datasheet I have (in case of it was different of the public one) and for all the variant of the Armada 370: 88F6710, 88F6707, and 88F6W11 the MPP63 is list as GPO. I will ask Marvell to see if it was a typo on their datasheet. Thanks, Gregory > > Andrew > -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- 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
