[PATCH v2 3/3] ARM: sun7i: irqchip: Update the documentation
Arnd Bergmann
arnd at arndb.de
Wed Jan 8 08:09:11 EST 2014
On Wednesday 08 January 2014 12:49:10 Carlo Caione wrote:
> >> +sc-nmi-intc at 01c00030 {
> >> + compatible = "allwinner,sun7i-sc-nmi";
> >> + interrupt-controller;
> >> + #interrupt-cells = <2>;
> >> + reg = <0x01c00030 0x0c>;
> >> + interrupt-parent = <&gic>;
> >> + interrupts = <0 0 1>;
> >> +};
> >
> > Is <0 0 1> the correct representation of the NMI? This question has recently
> > come up on IRC and I didn't know the answer at the time.
>
> Why shouldn't it be a correct representation? I think I missed the
> discussion on IRC.
For all I know, the NMI and the IRQ input to the CPU are separate pins,
so the NMI irqchip is not actually cascaded to the GIC, and SPI-0
might in fact be a different interrupt source.
Arnd
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