[alsa-devel] [PATCH v2] mfd: arizona: Add DT binding for irq-gpios property

[Sebastien Jan]

On 03/11/2015 17:52, Charles Keepax wrote:
> On Tue, Nov 03, 2015 at 03:04:50PM +0000, Mark Brown wrote:
>> On Tue, Nov 03, 2015 at 03:10:06PM +0100, Sebastien Jan wrote:
>>
>>> +  - irq-gpios : GPIO specifier for the GPIO connected to /IRQ
>> The platform data this is providing is essentially a workaround for the
>> lack of an irq_to_gpio() function and the use of it is a workaround for
>> the lack of level triggered IRQ emulation in genirq...  do we really
>> want this in the ABI (especially as a generic thing)?
> Personally I would rather not add this to the DT unless we really
> had to.
>
> Also are you sure this is necessary on your system? Specifically
> you only need this entry if the CODEC is connected to an IRQ line
> that only supports edge triggered IRQs.

Mark, Charles, thanks for pointing me to this information.

I don't have this specific constraint on my system and could finally 
also have it working using the regular interrupts / interrup-parent 
properties.

So this new binding is not required for my case. I suppose we can forget 
about it.