Am Freitag, den 18.01.2019, 07:53 +0000 schrieb Aisheng Dong: > One irqsteer channel can support up to 8 output interrupts. > > > Cc: Marc Zyngier <marc.zyng...@arm.com> > > Cc: Rob Herring <robh...@kernel.org> > > Cc: Lucas Stach <l.st...@pengutronix.de> > > Cc: Shawn Guo <shawn...@kernel.org> > Cc: devicet...@vger.kernel.org > > Signed-off-by: Dong Aisheng <aisheng.d...@nxp.com> > --- > .../devicetree/bindings/interrupt-controller/fsl,irqsteer.txt | 5 > +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git > a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > index eaabcda..beeed4a 100644 > --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > @@ -6,8 +6,9 @@ Required properties: > > - "fsl,imx8m-irqsteer" > > - "fsl,imx-irqsteer" > - reg: Physical base address and size of registers. > -- interrupts: Should contain the parent interrupt line used to multiplex the > - input interrupts. > +- interrupts: Should contain the up to 8 parent interrupt lines used to > + multiplex the input interrupts. They should be sepcified seqencially > + from output 0 to 7. NOTE at least one output interrupt has to be specified.
I don't think the note clarifies anything. Given that the thing is a irq multiplexer I don't think anyone expects that you could get away with no output irq. If anything this should specify that it's always groups of (up to) 64 input irqs being muxed onto a single output irq. Regards, Lucas
