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From: Rob Herring <robh@kernel.org>
To: Mario Kicherer <dev@kicherer.org>
Cc: linux-spi@vger.kernel.org, han.xu@nxp.com, broonie@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 1/2] spi: dt-bindings: spi-fsl-qspi: add optional sampling-delay
Date: Tue, 17 Jan 2023 08:10:57 -0600	[thread overview]
Message-ID: <20230117141057.GA2991740-robh@kernel.org> (raw)
In-Reply-To: <20230116115050.2983406-2-dev@kicherer.org>

On Mon, Jan 16, 2023 at 12:50:49PM +0100, Mario Kicherer wrote:
> Add optional sampling-delay property to delay the internal sampling point for
> incoming data.
> 
> Signed-off-by: Mario Kicherer <dev@kicherer.org>
> ---
>  Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
> index e58644558412..7952a4be938b 100644
> --- a/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
> +++ b/Documentation/devicetree/bindings/spi/fsl,spi-fsl-qspi.yaml
> @@ -54,6 +54,12 @@ properties:
>        - const: qspi_en
>        - const: qspi
>  
> +  fsl,qspi-sampling-delay:
> +    description: delay sampling of incoming data by this number of half cycles

Use the common rx-sample-delay-ns property.

> +    minimum: 0
> +    maximum: 3
> +    default: 0
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.34.1
> 

  parent reply	other threads:[~2023-01-17 14:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-16 11:50 [PATCH 0/2] spi: spi-fsl-qspi: support setting sampling delay through devicetree Mario Kicherer
2023-01-16 11:50 ` [PATCH 1/2] spi: dt-bindings: spi-fsl-qspi: add optional sampling-delay Mario Kicherer
2023-01-16 16:36   ` Rob Herring
2023-01-17 14:10   ` Rob Herring [this message]
2023-01-17 16:33     ` Mario Kicherer
2023-01-17 17:10       ` Krzysztof Kozlowski
2023-01-17 21:05         ` han.xu
2023-01-18  8:01           ` Michael Walle
2023-01-18  8:03             ` Krzysztof Kozlowski
2023-01-18  8:51               ` Michael Walle
2023-01-18 14:58           ` Mario Kicherer
2023-01-16 11:50 ` [PATCH 2/2] spi: spi-fsl-qspi: support setting sampling delay through devicetree Mario Kicherer

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