On Fri, Jan 18, 2019 at 10:53 AM <guoren@xxxxxxxxxx> wrote: > > From: Guo Ren <ren_guo@xxxxxxxxx> > > Add trigger type and priority setting for csky,mpintc. > > Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx> > --- > .../bindings/interrupt-controller/csky,mpintc.txt | 33 +++++++++++++++++++--- > 1 file changed, 29 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > index ab921f1..badbd38 100644 > --- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt > @@ -6,11 +6,18 @@ C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860 > SMP soc, and it also could be used in non-SMP system. > > Interrupt number definition: > - > 0-15 : software irq, and we use 15 as our IPI_IRQ. > 16-31 : private irq, and we use 16 as the co-processor timer. > 31-1024: common irq for soc ip. > > +Interrupt triger mode: > + IRQ_TYPE_LEVEL_HIGH (default) > + IRQ_TYPE_LEVEL_LOW > + IRQ_TYPE_EDGE_RISING > + IRQ_TYPE_EDGE_FALLING > + > +Interrupt priority range: 0-255 > + > ============================= > intc node bindings definition > ============================= > @@ -26,15 +33,33 @@ intc node bindings definition > - #interrupt-cells > Usage: required > Value type: <u32> > - Definition: must be <1> > + Definition: could be <1> or <2> or <3> For a given controller, '#interrupt-cells' shouldn't really be variable. If there are different capabilities, then you should have different compatible strings. Rob
