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

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Date:	Tue, 24 May 2016 09:09:41 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Rich Felker <dalias@...c.org>, Rob Herring <robh@...nel.org>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sh@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Jason Cooper <jason@...edaemon.net>,
	Kumar Gala <galak@...eaurora.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2 03/12] of: add J-Core interrupt controller bindings

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@...c.org>
>>> ---
>>>  .../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...