linux-kernel - Re: [PATCH 1/2] arm64: dts: imx8mm-evk: add phy-reset-gpios for fec1

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Message-ID: <20191021094420.wmy5w2tp532dibqm@pengutronix.de>
Date:   Mon, 21 Oct 2019 11:44:20 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     Peng Fan <peng.fan@....com>
Cc:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "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>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Andy Duan <fugang.duan@....com>, Jacky Bai <ping.bai@....com>,
        Anson Huang <anson.huang@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>, Jun Li <jun.li@....com>
Subject: Re: [PATCH 1/2] arm64: dts: imx8mm-evk: add phy-reset-gpios for fec1

Hi,

On 19-10-21 09:21, Peng Fan wrote:
> From: Peng Fan <peng.fan@....com>
> 
> We should not rely on U-Boot to configure the phy reset.
> So introduce phy-reset-gpios property to let Linux handle phy reset
> itself.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index faefb7182af1..e4d66f7db09d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -80,6 +80,7 @@
>  	pinctrl-0 = <&pinctrl_fec1>;
>  	phy-mode = "rgmii-id";
>  	phy-handle = <&ethphy0>;
> +	phy-reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;

Where is the pinctrl done?

Regards,
  Marco

>  	fsl,magic-packet;
>  	status = "okay";
>  
> -- 
> 2.16.4
> 
> 
> 

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