From: Jakub Kicinski <kuba@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>,
netdev@vger.kernel.org, Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH v2 net-next] net: phy: add basic driver for NXP CBTX PHY
Date: Thu, 20 Apr 2023 20:11:29 -0700 [thread overview]
Message-ID: <20230420201129.4fdc6c83@kernel.org> (raw)
In-Reply-To: <20230418190141.1040562-1-vladimir.oltean@nxp.com>
On Tue, 18 Apr 2023 22:01:41 +0300 Vladimir Oltean wrote:
> The CBTX PHY is a Fast Ethernet PHY integrated into the SJA1110 A/B/C
> automotive Ethernet switches.
>
> It was hoped it would work with the Generic PHY driver, but alas, it
> doesn't. The most important reason why is that the PHY is powered down
> by default, and it needs a vendor register to power it on.
>
> It has a linear memory map that is accessed over SPI by the SJA1110
> switch driver, which exposes a fake MDIO controller. It has the
> following (and only the following) standard clause 22 registers:
Looking for Acks from PHY maintainers..
--
pw-bot: ur
next prev parent reply other threads:[~2023-04-21 3:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-18 19:01 [PATCH v2 net-next] net: phy: add basic driver for NXP CBTX PHY Vladimir Oltean
2023-04-21 3:11 ` Jakub Kicinski [this message]
2023-04-21 12:07 ` Andrew Lunn
2023-04-22 3:20 ` patchwork-bot+netdevbpf
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