Am Mittwoch, den 30.01.2019, 13:05 +0000 schrieb Aisheng Dong: > Not all 64 interrupts may be used in one group. e.g. most irqsteer in > imx8qxp and imx8qm subsystems supports only 32 interrupts. > > As the IP integration parameters are Channel number and interrupts number, > let's use fsl,num-irqs to represents how many interrupts supported > by this irqsteer channel. > > > Cc: Marc Zyngier <marc.zyngier@xxxxxxx> > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > > Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > > Cc: Shawn Guo <shawnguo@xxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx> As the original fsl,irq-groups was born out of a misunderstanding of the HW config options and I'm not aware of any users of the current binding, I'm fine with merging this. I do think this warrants a backport to stable though, so we don't end up with different bindings in stable and current kernels. Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > ChangeLog: > v1->v2: > * change property name fsl,irqs-per-chan to fsl,num-irqs. > --- > .../devicetree/bindings/interrupt-controller/fsl,irqsteer.txt | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > index 45790ce..6d0a41b 100644 > --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.txt > @@ -16,8 +16,8 @@ Required properties: > - #interrupt-cells: Specifies the number of cells needed to encode an > interrupt source. The value must be 1. > - fsl,channel: The output channel that all input IRQs should be steered into. > -- fsl,irq-groups: Number of IRQ groups managed by this controller instance. > - Each group manages 64 input interrupts. > +- fsl,num-irqs: Number of input interrupts of this channel. > + Should be multiple of 32 input interrupts and up to 512 interrupts. > > Example: > > @@ -28,7 +28,7 @@ Example: > > clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>; > > clock-names = "ipg"; > > fsl,channel = <0>; > > - fsl,irq-groups = <1>; > > + fsl,num-irqs = <64>; > > interrupt-controller; > > #interrupt-cells = <1>; > > };
