[PATCH v3 1/4] regulator: dt-bindings: Add Allwinner D1 LDOs

[Krzysztof Kozlowski]

On 17/08/2022 11:15, Samuel Holland wrote:
>>> +    audio-codec at 2030000 {
>>> +        compatible = "simple-mfd", "syscon";
>>
>> This cannot be on its own. Both require device specific compatible.
> 
> Again, the device-specific compatible does not exist, because the binding for
> the audio codec has not been written (and it will be quite nontrivial).
> 
> So I can:
>   1) Leave the example as-is until the audio codec binding gets written,
>      and fill in the specific compatible at that time.
>   2) Remove the example, with the reasoning that the example really
>      belongs with the MFD parent (like for the other regulator). Then
>      there will be no example until the audio codec binding is written.
>   3) Drop the analog LDOs from this series entirely, and some parts
>      of the SoC (like thermal monitoring) cannot be added to the DTSI
>      until the audio codec binding is written.
> 
> What do you think?
> 
> The same question applies for the D1 SoC DTSI, where I use this same construct.
> 
> (And technically this does validate with the current schema.)

BTW, it validates only because of limitation in DT schema. Such
combination is not allowed and I wonder if we can make the schema
stricter...

Best regards,
Krzysztof