Re: [PATCH 05/10] dt-bindings: mfd: cirrus,cs42l43: Add initial DT binding

[Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>]

On 12/05/2023 18:18, Charles Keepax wrote:
> On Fri, May 12, 2023 at 05:25:52PM +0200, Krzysztof Kozlowski wrote:
>> On 12/05/2023 14:28, Charles Keepax wrote:
>>> The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface
>>> (Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed
>>> for portable applications. It provides a high dynamic range, stereo
>>> DAC for headphone output, two integrated Class D amplifiers for
>>
>> ...
>>
>>> +
>>> +  interrupt-controller: true
>>> +
>>> +  '#interrupt-cells':
>>> +    const: 2
>>
>> Hm, are you sure? Who is the consumer/user of this interrupt controller?
>>
> 
> Anyone who wants the device has GPIOs that can signal IRQs. Some
> of the other IRQs could be more generally useful, such as some of
> the jack detection ones.


OK, makes sense, but it is a bit odd then to have:
codec {
  which is GPIO and interrupt controller, but not pin controller
  pinctrl {
    pin controller, which is not GPIO and not interrupt controller
  }
}
Maybe all the GPIO/pin/related interrupt properties should be moved to
pinctrl node?

Best regards,
Krzysztof