On Fri, May 27, 2011 at 10:00:02AM -0700, David Daney wrote: > On 05/26/2011 06:56 PM, Grant Likely wrote: > >>+- #interrupt-cells: Must be<2>. The first cell is the GPIO pin > >>+ connected to the interrupt source. The second cell is the interrupt > >>+ triggering protocol and may have one of four values: > >>+ 0 - level triggered active high. > >>+ 1 - level triggered active low > >>+ 2 - edge triggered on the rising edge. > >>+ 3 - edge triggered on the falling edge. > > > >Since you're choosing arbitrary values here anyway, it's convenient to > >follow the lead of include/linux/irq.h and using 1->edge rising, > >2->edge falling, 4->level high, 8->level low. In the past every irq > >controller kind of did it's own thing, but that's not very scalable. > > > > OK. I will use those still somewhat arbitrary values instead. Indeed, they are still completely arbitrary, but at least they are the same completely arbitrary values. :-) g.
