[RFC 1/3] dt-bindings: interrupt-controller: Add Realtek RTD1295

[Andreas Färber]

Am 22.08.2017 um 04:14 schrieb Rob Herring:
> On Thu, Aug 17, 2017 at 12:11:38PM +0200, Andreas Färber wrote:
>> Add binding for Realtek RTD1295 IRQ mux.
>>
>> Signed-off-by: Andreas Färber <afaerber at suse.de>
>> ---
>>  .../interrupt-controller/realtek,rtd119x-mux.txt   | 28 ++++++++++++++++++++++
>>  1 file changed, 28 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
>>
>> diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
>> new file mode 100644
>> index 000000000000..4b43370e3d74
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtd119x-mux.txt
>> @@ -0,0 +1,28 @@
>> +Realtek RTD119x/129x IRQ Mux Controller
>> +=======================================
>> +
>> +Required properties:
>> +
>> +- compatible           :  Should be one of the following:
>> +                          - "realtek,rtd1295-irq-mux"
>> +                          - "realtek,rtd1295-iso-irq-mux"
>> +- reg                  :  Specifies base physical address and size of the registers.
>> +- interrupts           :  Specifies the interrupt line which is mux'ed.
>> +- interrupt-controller :  Presence indicates the node as interrupt controller.
>> +- #interrupt-cells     :  Shall be 1. See common bindings in interrupt.txt.
>> +
>> +
>> +Optional properties:
>> +
>> +See interrupt.txt for common bindings.
> 
> What else would apply here? interrupt-parent is the only thing I see, 
> but that's really implicit anyway.

interrupt-names would be another optional property not needed today.
interrupt-controller and #interrupt-cells are common properties, too.

I'll drop both lines if you prefer. Otherwise okay?

Regards,
Andreas

>> +
>> +
>> +Example:
>> +
>> +	interrupt-controller at 98007000 {
>> +		compatible = "realtek,rtd1295-iso-irq-mux";
>> +		reg = <0x98007000 0x100>;
>> +		interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>> +		interrupt-controller;
>> +		#interrupt-cells = <1>;
>> +	};
>> -- 
>> 2.12.3

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