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Message-ID: <20110527201345.GC6645@ponder.secretlab.ca> Date: Fri, 27 May 2011 14:13:45 -0600 From: Grant Likely <grant.likely@...retlab.ca> To: David Daney <ddaney@...iumnetworks.com> Cc: linux-mips@...ux-mips.org, ralf@...ux-mips.org, devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [RFC PATCH v4 3/6] MIPS: Octeon: Add device tree source files. 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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