[PATCH] dt-bindings: mmc: atmel,hsmci: Convert to json schema

Conor Dooley conor at kernel.org
Fri Dec 6 09:02:49 PST 2024


On Fri, Dec 06, 2024 at 05:16:39AM +0000, Dharma.B at microchip.com wrote:
> Hi Conor,
> 
> On 05/12/24 11:15 pm, Conor Dooley wrote:
> > On Thu, Dec 05, 2024 at 03:27:02PM +0530, Dharma Balasubiramani wrote:
> > 
> >> +patternProperties:
> >> +  "^slot@[0-9]+$":
> >> +    type: object
> >> +    description: A slot node representing an MMC, SD, or SDIO slot.
> >> +
> >> +    allOf:
> >> +      - $ref: mmc-controller.yaml
> >> +
> >> +    properties:
> >> +      reg:
> >> +        description: Slot ID.
> >> +        minimum: 0
> >> +
> >> +      bus-width:
> >> +        description: Number of data lines connected to the controller.
> >> +        enum: [1, 4, 8]
> >> +
> >> +      cd-gpios:
> >> +        description: GPIO used for card detection.
> >> +
> >> +      cd-inverted:
> >> +        type: boolean
> > This type conflicts with mmc-controller.yaml, it's a flag there.
> 
> Yes, I overlooked it. I'll simply remove the type here.
> 
> > 
> >> +        description: Inverts the value of the card detection GPIO.
> >> +
> >> +      wp-gpios:
> >> +        description: GPIO used for write protection.
> >> +
> >> +    required:
> >> +      - reg
> >> +      - bus-width
> >> +
> >> +    unevaluatedProperties: false
> > Do you mean additionalProperties: false here? You listed properties
> > contained in mmc-controller.yaml which makes it seem like you're
> > restricting to this subset rather than allowing all properties - but you
> > need additionalProperties: false to do that.
> 
> No, I'm not restricting the properties to this subset. There are 
> additional properties, such as "non-removable," "broken-cd," and 
> "disable-wp," that are used in our DTS files but are not defined in the 
> old text bindings. For this reason, I used `unevaluatedProperties: 
> false` instead of `additionalProperties: false`.

> Let me know if an 
> `allOf` reference to `mmc-controller` alone would be sufficient in this 
> context.

Yes, there's no point duplicating properties from there, unless you're
restricting to a subset. I think all you need to keep (other than the
reference) is the required properties list because there seems to be
none in mmc-controller.yaml.
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