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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <AM0PR04MB448170DA0486707775C3DABA88690@AM0PR04MB4481.eurprd04.prod.outlook.com>
Date:   Mon, 21 Oct 2019 09:46:10 +0000
From:   Peng Fan <peng.fan@....com>
To:     Marco Felsch <m.felsch@...gutronix.de>
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

> 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?

https://elixir.bootlin.com/linux/v5.4-rc2/source/arch/arm64/boot/dts/freescale/imx8mm-evk.dts#L328

Regards,
Peng.

> 
> Regards,
>   Marco
> 
> >  	fsl,magic-packet;
> >  	status = "okay";
> >
> > --
> > 2.16.4
> >
> >
> >
> 
> --
> Pengutronix e.K.                           |
> |
> Industrial Linux Solutions                 |
> https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.p
> engutronix.de%2F&amp;data=02%7C01%7Cpeng.fan%40nxp.com%7Cb40bb6
> 4c5e39449ade4808d7560b43ca%7C686ea1d3bc2b4c6fa92cd99c5c301635%
> 7C0%7C0%7C637072478688921047&amp;sdata=xZI60uyyQ%2BkX%2Fpf07n
> CgVhGt1ApYBKSnndGB3Dk2578%3D&amp;reserved=0  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0
> |
> Amtsgericht Hildesheim, HRA 2686           | Fax:
> +49-5121-206917-5555 |