Re: [PATCH 1/3] dt-bindings: Add bindings for aspeed pwm-tach.

[Krzysztof Kozlowski]

On 03/11/2022 06:36, Billy Tsai wrote:
> 
> On 2022/11/3, 5:20 AM, "Krzysztof Kozlowski" <krzk@xxxxxxxxxx> wrote:
> 
>     On 31/10/2022 06:38, Billy Tsai wrote:
>     > > +patternProperties:
>     > > +  "^pwm(@[0-9a-f]+)?$":
>     > > +    $ref: ../pwm/aspeed,ast2600-pwm.yaml
> 
>     > Full path, so: /schemas/pwm/aspeed,ast2600-pwm.yaml
> 
>     > Why unit addresses are optional?
> 
>     > > +
>     > > +  "^tach(@[0-9a-f]+)?$":
>     > > +    $ref: ../hwmon/aspeed,ast2600-tach.yaml
> 
>     > Ditto
> 
>     > Why unit addresses are optional?
> 
> The pwm_tach is not the bus. I will use
> pwm:
>     type: object
>     $ref: "/schemas/pwm/aspeed,ast2600-pwm.yaml"
> 
> tach:
>     type: object
>     $ref: "/schemas/hwmon/aspeed,ast2600-tach.yaml"
> to replace it.
> 
>     > > +
>     > > +additionalProperties: false
>     > > +
>     > > +examples:
>     > > +  - |
>     > > +    #include <dt-bindings/clock/ast2600-clock.h>
>     > > +    pwm_tach: pwm_tach@1e610000 {
> 
>     > Node names should be generic.
>     > https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> 
> This is the mfd with pwm and tach, so they are combined as the node name.
> 
>     > No underscores in node names.
> 
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#table-1
> I see that the underscore is the valid characters for node names.
> Did I miss any information?

W=2 warnings.

Best regards,
Krzysztof