linux-kernel - Re: [PATCH v1 2/3] dt-bindings: firmware: imx: Add imx-scu gpio node

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Message-ID: <8e1ffa95-686b-ca4b-1a2b-b7115dc41c98@linaro.org>
Date:   Fri, 5 Aug 2022 08:56:29 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Shenwei Wang <shenwei.wang@....com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linus.walleij@...aro.org,
        brgl@...ev.pl, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 2/3] dt-bindings: firmware: imx: Add imx-scu gpio node

On 04/08/2022 20:49, Shenwei Wang wrote:
> Add the description for imx-scu gpio subnode.
> 
> Signed-off-by: Shenwei Wang <shenwei.wang@....com>
> ---
>  Documentation/devicetree/bindings/firmware/fsl,scu.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/firmware/fsl,scu.yaml b/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
> index b40b0ef56978..080955b6edd8 100644
> --- a/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
> +++ b/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
> @@ -30,6 +30,11 @@ properties:
>        Clock controller node that provides the clocks controlled by the SCU
>      $ref: /schemas/clock/fsl,scu-clk.yaml
>  
> +  gpio:
> +    description:
> +      GPIO control over the SCU firmware APIs

I don't understand this description. How GPIO can control some API?

Best regards,
Krzysztof