linux-kernel - Re: [RESEND v1 1/2] dt-binding: spi: constrain minItems of clocks and clock-names

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Date:   Tue, 4 Jul 2023 11:38:17 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     William Qiu <william.qiu@...rfivetech.com>,
        devicetree@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Cc:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [RESEND v1 1/2] dt-binding: spi: constrain minItems of clocks and
 clock-names

On 04/07/2023 11:21, William Qiu wrote:
> The SPI controller only need apb_pclk clock to work properly on JH7110 SoC,
> so there add minItems whose value is equal to 1. Other platforms do not
> have this constraint.
> 
> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>

I don't get why this is resent, but subject prefix is still wrong. It's
dt-bindings.

> ---
>  Documentation/devicetree/bindings/spi/spi-pl022.yaml | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-pl022.yaml b/Documentation/devicetree/bindings/spi/spi-pl022.yaml
> index 91e540a92faf..42bb34c39971 100644
> --- a/Documentation/devicetree/bindings/spi/spi-pl022.yaml
> +++ b/Documentation/devicetree/bindings/spi/spi-pl022.yaml
> @@ -11,6 +11,7 @@ maintainers:
> 
>  allOf:
>    - $ref: spi-controller.yaml#
> +  - $ref: /schemas/arm/primecell.yaml#

This looks unrelated, so keep it as separate commit with its own rationale.

> 
>  # We need a select here so we don't match all nodes with 'arm,primecell'
>  select:
> @@ -34,12 +35,16 @@ properties:
>      maxItems: 1
> 
>    clocks:
> +    minItems: 1
>      maxItems: 2
> 
>    clock-names:
> -    items:
> -      - const: sspclk
> -      - const: apb_pclk
> +    oneOf:
> +      - items:
> +          - const: apb_pclk
> +      - items:
> +          - const: sspclk
> +          - const: apb_pclk

Are you sure that your clock is APB pclk in such case?

Best regards,
Krzysztof