Re: [PATCH v2 1/6] dt-bindings: interrupt-controller: add DT binding for the Marvell GICP

From: Thomas Petazzoni
Date: Thu Jun 08 2017 - 08:10:39 EST


Hello,

On Wed, 7 Jun 2017 17:24:20 -0500, Rob Herring wrote:
> On Fri, Jun 02, 2017 at 12:06:52PM +0200, Thomas Petazzoni wrote:
> > This commit adds the Device Tree binding documentation for the Marvell
> > GICP, an extension to the GIC that allows to trigger GIC SPI interrupts
> > using memory transactions. It is used by the ICU unit in the Marvell
> > CP110 block to turn wired interrupts inside the CP into SPI interrupts
> > at the GIC level in the AP.
>
> Sounds like an MSI block?

Marc Zyngier answered on this (much better than I could have done).

> > +- marvell,spi-ranges: tuples of GIC SPI interrupts ranges available
> > + for this GICP
>
> These are base+size?

Correct. Does your question suggest that I should update the binding
document to make this explicit?

Thanks,

Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com