linux-kernel - Re: [PATCH v2 08/15] dt-bindings: spi: imx: add i.mx6ul to state errata fixed

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Date:   Wed, 1 May 2019 15:07:11 -0500
From:   Rob Herring <robh@...nel.org>
To:     Robin Gong <yibin.gong@....com>
Cc:     "broonie@...nel.org" <broonie@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        "plyatov@...il.com" <plyatov@...il.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        dl-linux-imx <linux-imx@....com>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>
Subject: Re: [PATCH v2 08/15] dt-bindings: spi: imx: add i.mx6ul to state
 errata fixed

On Fri, Apr 26, 2019 at 08:05:51AM +0000, Robin Gong wrote:
> ERR009165 fixed from i.mx6ul, add it to show the errata fixed.
> 
> Signed-off-by: Robin Gong <yibin.gong@....com>
> ---
>  Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> index 2d32641..32c4263d 100644
> --- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> +++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
> @@ -10,6 +10,8 @@ Required properties:
>    - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
>    - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
>    - "fsl,imx53-ecspi" for SPI compatible with the one integrated on i.MX53 and later Soc
> +  - "fsl,imx6ul-ecspi" ERR009165 fixed on i.MX6UL and later Soc
> +    (https://www.nxp.com/docs/en/errata/IMX6DQCE.pdf)

What about other i.MX6 chips?

Seems like this is missing some fallbacks. The binding doc should make 
it clear what are all valid combinations of compatible strings.

>    - "fsl,imx8mq-ecspi" for SPI compatible with the one integrated on i.MX8M
>  - reg : Offset and length of the register set for the device
>  - interrupts : Should contain CSPI/eCSPI interrupt
> -- 
> 2.7.4
>