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

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Message-ID: <AM9PR04MB8274CE6735619BD6B8FB0143899E9@AM9PR04MB8274.eurprd04.prod.outlook.com>
Date:   Fri, 5 Aug 2022 12:49:42 +0000
From:   Shenwei Wang <shenwei.wang@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "brgl@...ev.pl" <brgl@...ev.pl>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [EXT] Re: [PATCH v1 2/3] dt-bindings: firmware: imx: Add imx-scu
 gpio node



> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Friday, August 5, 2022 1:56 AM
> 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; dl-linux-imx <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: [EXT] Re: [PATCH v1 2/3] dt-bindings: firmware: imx: Add imx-scu gpio
> node
> 
> Caution: EXT Email
> 
> 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?

How about change to "Control the GPIO PINs on SCU domain over the firmware APIs"?

Thanks,
Shenwei

> 
> Best regards,
> Krzysztof