linux-kernel - Re: [PATCH v4 12/12] dt-bindings: serial: fsl-lpuart: Add i.MX8DXL compatible

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Date:   Thu, 18 Nov 2021 19:04:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Abel Vesa <abel.vesa@....com>
Cc:     Dong Aisheng <aisheng.dong@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Fabio Estevam <festevam@...il.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        linux-i2c@...r.kernel.org, linux-serial@...r.kernel.org,
        NXP Linux Team <linux-imx@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 12/12] dt-bindings: serial: fsl-lpuart: Add i.MX8DXL
 compatible

On Wed, Nov 10, 2021 at 07:46:55PM +0200, Abel Vesa wrote:
> Add i.MX8DXL lpuart compatible to the bindings documentation.
> 
> Signed-off-by: Abel Vesa <abel.vesa@....com>
> ---
>  Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> index dc1f0e07cbd4..fa8a602ccb22 100644
> --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
> @@ -27,6 +27,10 @@ properties:
>        - items:
>            - const: fsl,imx8qm-lpuart
>            - const: fsl,imx8qxp-lpuart
> +      - items:
> +          - const: fsl,imx8dxl-lpuart
> +          - const: fsl,imx8qxp-lpuart
> +          - const: fsl,imx7ulp-lpuart

I'm confused why 8dxl is compatible with 7ulp, but 8qm is not? From the 
driver, it looks like the difference is clocks.

>  
>    reg:
>      maxItems: 1
> -- 
> 2.31.1
> 
>