linux-kernel - Re: [PATCH 1/6] dt-bindings: mfd: ti,j721e-system-controller: Fix mux node errors

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Date:   Wed, 19 May 2021 16:00:10 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, Peter Rosin <peda@...ntia.se>,
        Wolfram Sang <wsa@...nel.org>, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Roger Quadros <rogerq@...com>,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH 1/6] dt-bindings: mfd: ti,j721e-system-controller: Fix
 mux node errors

On Tue, 18 May 2021, Rob Herring wrote:

> The ti,j721e-system-controller binding does not follow the standard mux
> controller node name 'mux-controller' and the example is incomplete. Fix
> these to avoid schema errors before the mux controller binding is
> converted to schema.
> 
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Cc: Roger Quadros <rogerq@...com>

Would one of the original authors be kind enough to review please?

> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  .../mfd/ti,j721e-system-controller.yaml       | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> index 19fcf59fd2fe..272832e9f8f2 100644
> --- a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> +++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> @@ -43,12 +43,10 @@ properties:
>  
>  patternProperties:
>    # Optional children
> -  "^serdes-ln-ctrl@[0-9a-f]+$":
> +  "^mux-controller@[0-9a-f]+$":
>      type: object
> -    description: |
> -      This is the SERDES lane control mux. It should follow the bindings
> -      specified in
> -      Documentation/devicetree/bindings/mux/reg-mux.txt
> +    description:
> +      This is the SERDES lane control mux.
>  
>  required:
>    - compatible
> @@ -68,9 +66,18 @@ examples:
>          #size-cells = <1>;
>          ranges;
>  
> -        serdes_ln_ctrl: serdes-ln-ctrl@...0 {
> +        serdes_ln_ctrl: mux-controller@...0 {
>              compatible = "mmio-mux";
>              reg = <0x00004080 0x50>;
> +
> +            #mux-control-cells = <1>;
> +            mux-reg-masks =
> +                <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
> +                <0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
> +                <0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
> +                <0x40b0 0x3>, <0x40b4 0x3>, /* SERDES3 lane0/1 select */
> +                <0x40c0 0x3>, <0x40c4 0x3>, <0x40c8 0x3>, <0x40cc 0x3>;
> +                /* SERDES4 lane0/1/2/3 select */
>          };
>      };
>  ...

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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