Re: [PATCH 1/2] dt-bindings: iio: adc: rtq6056: add support for the whole RTQ6056 family

[ChiYuan Huang]

On Tue, Dec 26, 2023 at 01:12:50PM +0100, Krzysztof Kozlowski wrote:
> On 26/12/2023 12:19, ChiYuan Huang wrote:
> > On Tue, Dec 26, 2023 at 10:18:47AM +0100, Krzysztof Kozlowski wrote:
> >> On 26/12/2023 04:47, cy_huang@xxxxxxxxxxx wrote:
> >>> From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >>>
> >>> Add compatible support for RTQ6053 and RTQ6059.
> >>>
> >>> Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >>> ---
> >>>  .../devicetree/bindings/iio/adc/richtek,rtq6056.yaml         | 5 ++++-
> >>>  1 file changed, 4 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
> >>> index 88e008629ea8..d1e1f36d1972 100644
> >>> --- a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
> >>> +++ b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056.yaml
> >>> @@ -25,7 +25,10 @@ description: |
> >>>  
> >>>  properties:
> >>>    compatible:
> >>> -    const: richtek,rtq6056
> >>> +    enum:
> >>> +      - richtek,rtq6053
> >>> +      - richtek,rtq6056
> >>
> >> Aren't these devices compatible? Your driver change says they are, so
> >> express compatibility with list here (and oneOf).
> >>
> > Thanks, I try to take other binding as the reference. One more question.
> > If rtq6053 is compatible with rtq6056, there's only chip package type difference.
> > Do I need to seperate it into a dedicated enum element?
> > Or just put it into one item and said this part number is compatible with rtq6056? 
> 
> See example-schema. You need enum and items, both in oneOf:.
>
After reading the 'example-schema', I Still cannot understand what the special case items
means.

But in my case, is the below change correct?
[Diff]
properties:
   compatible:
-    enum:
-      - richtek,rtq6053
-      - richtek,rtq6056
-      - richtek,rtq6059
+    oneOf:
+      - items:
+          - enum:
+              - richtek,rtq6053
+              - richtek,rtq6056
+              - richtek,rtq6059
 
> Best regards,
> Krzysztof
>