Re: [PATCH v4 1/2] devicetree: add binding for Sigma Designs SMP86xx interrupt controller

From: Måns Rullgård
Date: Fri Jan 22 2016 - 11:36:27 EST


Rob Herring <robh@xxxxxxxxxx> writes:

> On Wed, Jan 20, 2016 at 06:07:16PM +0000, Mans Rullgard wrote:
>> This adds a binding for the secondary interrupt controller in
>> Sigma Designs SMP86xx and SMP87xx chips.
>>
>> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
>> ---
>> Changes:
>> - not included in v3
>> ---
>> .../interrupt-controller/sigma,smp8642-intc.txt | 49 ++++++++++++++++++++++
>> 1 file changed, 49 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt
>>
>> diff --git a/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt
>> new file mode 100644
>> index 000000000000..2643f3466091
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/interrupt-controller/sigma,smp8642-intc.txt
>> @@ -0,0 +1,49 @@
>> +Sigma Designs SMP86xx/SMP87xx secondary interrupt controller
>> +
>> +Required properties:
>> +- compatible: should be "sigma,smp8642-intc"
>> +- reg: physical address of MMIO region
>> +- ranges: address space mapping of child nodes
>> +- interrupt-parent: phandle of parent interrupt controller
>> +- interrupt-controller: boolean
>> +- #address-cells: should be <1>
>> +- #size-cells: should be <1>
>> +
>> +One child node per control block with properties:
>> +- reg: address of registers for this control block
>> +- interrupt-controller: boolean
>> +- #interrupt-cells: should be <2>, interrupt index and flags per interrupts.txt
>> +- interrupts: interrupt spec of primary interrupt controller
>> +
>> +Example:
>> +
>> +interrupt-controller@6e000 {
>> + compatible = "sigma,smp8642-intc";
>> + reg = <0x6e000 0x400>;
>> + ranges = <0x0 0x6e000 0x400>;
>> + interrupt-parent = <&gic>;
>> + interrupt-controller;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + irq0: irq0 {
>
> Keeping with generic names, this should be interrupt-controller@0 (and
> 100, 300).

I could've sworn I'd made that change. Too many versions of this patch
floating about...

> Otherwise,
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
>
>> + reg = <0x000 0x100>;
>> + interrupt-controller;
>> + #interrupt-cells = <2>;
>> + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> +
>> + irq1: irq1 {
>> + reg = <0x100 0x100>;
>> + interrupt-controller;
>> + #interrupt-cells = <2>;
>> + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> +
>> + irq2: irq2 {
>> + reg = <0x300 0x100>;
>> + interrupt-controller;
>> + #interrupt-cells = <2>;
>> + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
>> + };
>> +};
>> --
>> 2.7.0
>>

--
Måns Rullgård