linux-kernel - RE: [PATCH 2/2] dt-bindings: gpio: vf610: update gpio-ranges

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Date:   Wed, 29 Mar 2023 09:21:07 +0000
From:   Peng Fan <peng.fan@....com>
To:     Andrew Lunn <andrew@...n.ch>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>
CC:     "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "brgl@...ev.pl" <brgl@...ev.pl>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "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>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...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>
Subject: RE: [PATCH 2/2] dt-bindings: gpio: vf610: update gpio-ranges



> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: 2023年3月28日 22:48
> To: Peng Fan (OSS) <peng.fan@....nxp.com>
> Cc: linus.walleij@...aro.org; brgl@...ev.pl; robh+dt@...nel.org;
> krzysztof.kozlowski+dt@...aro.org; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> dl-linux-imx <linux-imx@....com>; stefan@...er.ch; linux-
> gpio@...r.kernel.org; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; Peng Fan
> <peng.fan@....com>
> Subject: Re: [PATCH 2/2] dt-bindings: gpio: vf610: update gpio-ranges
> 
> On Tue, Mar 28, 2023 at 01:29:12PM +0800, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan@....com>
> >
> > 1 is not enough for i.MX9, enlarge it.
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> > ---
> >  Documentation/devicetree/bindings/gpio/gpio-vf610.yaml | 3 ++-
> 
> I'm not that knowledgeable about i.MX9, but i thought vf610 was Vybrid,
> which is not an i.MX9. Does i.MX9 reuse the Vybrid GPIO controller? Is this
> change also valid for the Vybrid?
[Peng Fan] 

i.MX9 reuse the gpio-vf610 driver and yaml dtschema. There are some
minor differences from hardware level. The gpio-ranges will also impact
vybrid, but this may not matter.

Regards,
Peng.
> 
> 	Andrew