On Mon, Mar 16, 2015 at 2:50 PM, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > On Mon, Mar 16, 2015 at 02:36:41PM -0600, George Joseph wrote: >> The Cubox has a recessed button between the HDMI and RJ-45 connectors >> that wasn't mapped in the device tree. Since the button is normally >> open and there's no external pull up/down, that pad (EIM_DA8) can be >> used for almost anything so I've mapped it to gpio-keys BTN_0 and >> pps-gpio. Whichever driver claims it first wins. If both drivers >> are build as modules, you can even switch between them at run time >> and the pinmux will adjust the pin configuration as required. >> If neither driver claims the gpio, it's still available in the normal >> gpio sysfs. > > I wonder why we want to have the PPS support in mainline, given that > you would need to solder to the board to make use of that. I can see > the point of the gpio-keys going into mainline, but not the PPS bit. > That's more like a local hack. > Well, it was just one less thing I'd have to patch locally for so I took a chance. :) I'll remove the pps bits and resubmit. -- 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
