Re: [PATCH dt-schema 3/3] schemas: i2c: add generic interrupt name for I2C controllers

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On Thu, Aug 15, 2024 at 6:09 AM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> "smbus_alert" is a generic interrupt name for controllers, so document
> it. Introduce also "irq" for the primary interrupt.

I wouldn't add "irq". It's kind of odd in that we have it for I2C
devices in the first place and we don't try to do that anywhere else.

> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> ---
>  dtschema/schemas/i2c/i2c-controller.yaml | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/dtschema/schemas/i2c/i2c-controller.yaml b/dtschema/schemas/i2c/i2c-controller.yaml
> index 7eb6b0f..da277a2 100644
> --- a/dtschema/schemas/i2c/i2c-controller.yaml
> +++ b/dtschema/schemas/i2c/i2c-controller.yaml
> @@ -90,6 +90,22 @@ properties:
>        low-pass analog filter). Typical value should be above the normal i2c bus
>        clock frequency (clock-frequency). Specified in Hz.
>
> +  interrupts:
> +    description:
> +      If not using interrupt-names, the first interrupt will be treated as the
> +      primary interrupt for the controller.
> +
> +  interrupt-names:
> +    anyOf:
> +      - {} # Any name is allowed.
> +      - items:
> +          enum:
> +            - irq
> +            - smbus_alert

It doesn't really matter with the {}, but the 2nd entry is only true
if interrupt-names only contains these 2 names. I'd use 'contains'
rather than 'items' here.

> +        description:
> +          Generic names are "irq" for a primary interrupt and "smbus_alert" for
> +          the SMBusAlert signal. Other names are left to individual bindings.
> +
>    mctp-controller:
>      type: boolean
>      description:
> --
> 2.43.0
>
>





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