linux-kernel - Re: [PATCH v7 2/4] dt-bindings: spi: spi-mtk-nor: add new clock name 'axi' for spi nor

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Date:   Wed, 29 Dec 2021 20:40:49 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Tinghan Shen <tinghan.shen@...iatek.com>, robh+dt@...nel.org,
        linus.walleij@...aro.org, broonie@...nel.org
Cc:     bgolaszewski@...libre.com, sean.wang@...iatek.com,
        bayi.cheng@...iatek.com, gch981213@...il.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-spi@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v7 2/4] dt-bindings: spi: spi-mtk-nor: add new clock name
 'axi' for spi nor



On 20/12/2021 13:18, Tinghan Shen wrote:
> Some mtk spi nor has dedicated dma(s) inside. Add a new clock name, axi,
> for spi nor dma bus clock.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>

Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>

> ---
>   .../devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml       | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> index 7393f30535df..478afebfec9c 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> @@ -43,14 +43,19 @@ properties:
>       maxItems: 1
>   
>     clocks:
> +    minItems: 2
>       items:
>         - description: clock used for spi bus
>         - description: clock used for controller
> +      - description: clock used for nor dma bus. this depends on hardware
> +                     design, so this is optional.
>   
>     clock-names:
> +    minItems: 2
>       items:
>         - const: spi
>         - const: sf
> +      - const: axi
>   
>   required:
>     - compatible
> @@ -84,4 +89,3 @@ examples:
>           };
>         };
>       };
> -
>