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From: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>,
	Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Giuseppe Cavallaro <peppe.cavallaro-qxv4g6HH51o@public.gmane.org>,
	alexandre.torgue-qxv4g6HH51o@public.gmane.org,
	Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Florian Fainelli
	<f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-arm-kernel
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 2/3] ARM: sun8i: sunxi-h3-h5: add phy-is-integrated property to internal PHY
Date: Fri, 11 Aug 2017 10:39:23 +0200	[thread overview]
Message-ID: <20170811083923.GC25147@Red> (raw)
In-Reply-To: <CAGb2v66SGAKnFoHNqWR+DqS-mY3KA853NmKpdHqf8huOkisLKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Fri, Aug 11, 2017 at 04:22:11PM +0800, Chen-Yu Tsai wrote:
> On Fri, Aug 11, 2017 at 4:19 PM, Corentin Labbe
> <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > On Fri, Aug 11, 2017 at 04:11:13PM +0800, Chen-Yu Tsai wrote:
> >> On Fri, Aug 11, 2017 at 4:05 PM, Corentin Labbe
> >> <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >> > On Fri, Aug 11, 2017 at 10:42:51AM +0800, Chen-Yu Tsai wrote:
> >> >> Hi,
> >> >>
> >> >> On Thu, Aug 10, 2017 at 4:51 PM, Corentin Labbe
> >> >> <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >> >> > This patch add the new phy-is-integrated property to the internal PHY
> >> >> > node.
> >> >> >
> >> >> > Signed-off-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> >> >> > ---
> >> >> >  arch/arm/boot/dts/sunxi-h3-h5.dtsi | 1 +
> >> >> >  1 file changed, 1 insertion(+)
> >> >> >
> >> >> > diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> >> >> > index 4b599b5d26f6..54fc24e4c569 100644
> >> >> > --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> >> >> > +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> >> >> > @@ -425,6 +425,7 @@
> >> >> >                                         reg = <1>;
> >> >> >                                         clocks = <&ccu CLK_BUS_EPHY>;
> >> >> >                                         resets = <&ccu RST_BUS_EPHY>;
> >> >> > +                                       phy-is-integrated;
> >> >>
> >> >> You also need to "delete" this property at the board level for
> >> >> any board that has the external PHY at address <1>. Otherwise
> >> >> they will stop working. This is due to the internal and external
> >> >> PHYs having the same path and node name in the device tree, so
> >> >> they are effectively the same node.
> >> >>
> >> >> ChenYu
> >> >>
> >> >
> >> > They have not the same name, ext_rgmii_phy vs int_mii_phy.
> >>
> >> That is just the label. The label plays no part in device tree merging. The path
> >>
> >>     /soc/ethernet@1c30000/mdio/ethernet-phy@1
> >>
> >> is the same. You can look under
> >>
> >>     /proc/device-tree/soc/ethernet@1c30000/mdio
> >>
> >> on the OrangePI Plus 2E or any other H3 board that uses an
> >> external PHY at address 1.
> >>
> >> ChenYu
> >
> > Since we get the phy node by phy-handle and not by path, I think all should be good.
> 
> You are not getting me. The fact that the two seemingly separate
> nodes are merged together means, whatever properties you put in
> the internal PHY node, also affect the external PHY node. Once
> compiled, they are the SAME node.

So why not changing the internal node name from ethernet-phy to integrated-phy ?
--
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  parent reply	other threads:[~2017-08-11  8:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-10  8:51 [PATCH 0/3] net: stmmac: Detect PHY location with phy-is-integrated Corentin Labbe
2017-08-10  8:51 ` [PATCH 1/3] Documentation: bindings: Add documentation for phy-is-integrated Corentin Labbe
2017-08-10  8:51 ` [PATCH 2/3] ARM: sun8i: sunxi-h3-h5: add phy-is-integrated property to internal PHY Corentin Labbe
     [not found]   ` <20170810085129.20463-3-clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-08-11  2:42     ` Chen-Yu Tsai
     [not found]       ` <CAGb2v64dBZgN6-8kHnnN1qiEXHnbXw_FM9WxGHPU0h-tZDbspA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-11  8:05         ` Corentin Labbe
2017-08-11  8:11           ` Chen-Yu Tsai
     [not found]             ` <CAGb2v66wCRe8nFucJa5nAT1GhO75LmCyfNWQQbwxzh085Zwk+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-11  8:19               ` Corentin Labbe
2017-08-11  8:22                 ` Chen-Yu Tsai
     [not found]                   ` <CAGb2v66SGAKnFoHNqWR+DqS-mY3KA853NmKpdHqf8huOkisLKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-11  8:39                     ` Corentin Labbe [this message]
2017-08-11 13:25                   ` Corentin Labbe
2017-08-11 15:03                     ` Florian Fainelli
     [not found]                       ` <302496B2-46F1-456D-A9A0-8257B5582695-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-08-16  9:12                         ` Corentin Labbe
2017-08-17 15:10                       ` Rob Herring
2017-08-10  8:51 ` [PATCH 3/3] net: stmmac: dwmac-sun8i: choose internal PHY via phy-is-integrated Corentin Labbe

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