linux-kernel - Re: [PATCH v5 06/10] dt-bindings: spi: mtk-snfi: Add read latch latency property

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Message-ID: <20221219153837.GA1426412-robh@kernel.org>
Date:   Mon, 19 Dec 2022 09:38:37 -0600
From:   Rob Herring <robh@...nel.org>
To:     Xiangsheng Hou <xiangsheng.hou@...iatek.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Chuanhong Guo <gch981213@...il.com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, benliang.zhao@...iatek.com,
        bin.zhang@...iatek.com,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v5 06/10] dt-bindings: spi: mtk-snfi: Add read latch
 latency property

On Mon, Dec 19, 2022 at 10:40:15AM +0800, Xiangsheng Hou wrote:
> Add mediatek,rx-latch-latency-ns property which adjust data read
> latch latency in the unit of nanoseconds.
> 
> Signed-off-by: Xiangsheng Hou <xiangsheng.hou@...iatek.com>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  .../devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml         | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> index bab23f1b11fd..1e5e89a693c3 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> @@ -45,6 +45,9 @@ properties:
>      description: device-tree node of the accompanying ECC engine.
>      $ref: /schemas/types.yaml#/definitions/phandle
>  
> +  mediatek,rx-latch-latency-ns:
> +    description: Data read latch latency, unit is nanoseconds.

Doesn't the common 'rx-sample-delay-ns' work for you?

Rob