Re: [PATCH v2 03/12] of: add J-Core interrupt controller bindings

From: Marc Zyngier
Date: Tue May 24 2016 - 04:09:52 EST


On 23/05/16 22:13, Rich Felker wrote:
> On Mon, May 23, 2016 at 03:53:20PM -0500, Rob Herring wrote:
>> On Fri, May 20, 2016 at 02:53:04AM +0000, Rich Felker wrote:
>>> Signed-off-by: Rich Felker <dalias@xxxxxxxx>
>>> ---
>>> .../bindings/interrupt-controller/jcore,aic.txt | 28 ++++++++++++++++++++++
>>> 1 file changed, 28 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/jcore,aic.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/interrupt-controller/jcore,aic.txt b/Documentation/devicetree/bindings/interrupt-controller/jcore,aic.txt
>>> new file mode 100644
>>> index 0000000..dc9fde8
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/interrupt-controller/jcore,aic.txt
>>> @@ -0,0 +1,28 @@
>>> +J-Core Advanced Interrupt Controller
>>> +
>>> +Required properties:
>>> +
>>> +- compatible : Should be "jcore,aic1" for the (obsolete) first-generation aic
>>> + with 8 interrupt lines with programmable priorities, or "jcore,aic2" for
>>> + the "aic2" core with 64 interrupts.
>>> +
>>> +- interrupt-controller : Identifies the node as an interrupt controller
>>> +
>>> +- #interrupt-cells : Specifies the number of cells needed to encode an
>>> + interrupt source. The value shall be 1.
>>
>> No level/edge support? Need 2 cells if so.
>
> No, all the logic is in hardware. From the software side you just need
> handle_simple_irq or equivalent.

Not even an EOI?

M.
--
Jazz is not dead. It just smells funny...