Messages in this thread | | | Date | Mon, 16 Mar 2015 20:50:04 +0000 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] dts: cubox: Map gpio-keys and pps-gpio to gpio3 8 |
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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.
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