* Andreas Kemnade <andreas@xxxxxxxxxxxx> [221116 22:02]: > Hi, > > I am investigating how to use the omap4 keypad driver in dts and I am quite > confused. Nobody seems to add any pinmux to it. Why? > > I muxed the rows0-3 and cols0-3 to MODE1 without any wakeup. > > When I set /sys/bus/platform/devices/4a31c000.keypad/power/control > to on I get keypad interrupts and events in evtest. but with it set to auto, > nothing happens. Setting the rows pinmux to 0x4119 instead of 0x119 does not > change anything. > > Nobody seems to add provisions to wake up independently of the keypad > hwmod which seems to be odd. I would expect interrupt-extended along with > the keypad definitions. I think the keypad is in the wkup domain so it's always listening for events like gpio1 instance. So there should not be any need for padconf interrupts. Regards, Tony
