From: Andrew Lunn <andrew@lunn.ch>
To: "Biao Huang (黄彪)" <Biao.Huang@mediatek.com>
Cc: "linux-mediatek@lists.infradead.org"
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Subject: Re: [PATCH v6 2/2] arm64: dts: mt8195: Add Ethernet controller
Date: Thu, 29 Dec 2022 02:06:43 +0100 [thread overview]
Message-ID: <Y6zoI3XYnFFbN/Z5@lunn.ch> (raw)
In-Reply-To: <a3959ffb49cd8ab2f3b0fad5149c222b08fc2032.camel@mediatek.com>
> > Is the PHY integrated into the SoC, or on the board?
> The PHY is on the board, an external device as to SoC.
> >
> > You also don't need the compatible, if the PHY correctly implements
> > the ID registers.
> But without the compatible, it seems PHY driver will not be attached.
> How should I do? Thanks in advance.
Check what happens in mdiobus_scan() and get_phy_device(). When it
reads registers 2 and 3, does it get valid ID register contents?
Andrew
next prev parent reply other threads:[~2022-12-29 1:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-28 6:33 [PATCH v6 0/2] arm64: dts: mt8195: Add Ethernet controller Biao Huang
2022-12-28 6:33 ` [PATCH v6 1/2] stmmac: dwmac-mediatek: remove the dwmac_fix_mac_speed Biao Huang
2022-12-28 6:33 ` [PATCH v6 2/2] arm64: dts: mt8195: Add Ethernet controller Biao Huang
2022-12-28 16:13 ` Andrew Lunn
2022-12-29 0:42 ` Biao Huang (黄彪)
2022-12-29 1:06 ` Andrew Lunn [this message]
2022-12-29 2:46 ` Biao Huang (黄彪)
2022-12-30 1:15 ` [PATCH v6 0/2] " Jakub Kicinski
2022-12-30 2:10 ` Biao Huang (黄彪)
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