linux-kernel - Re: [PATCH net-next v7 13/14] microchip: lan865x: add driver support for Microchip's LAN865X MAC-PHY

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Message-ID: <00607dcd-fabc-45f5-b199-5c880c94b65b@lunn.ch>
Date: Tue, 3 Sep 2024 21:54:33 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
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Subject: Re: [PATCH net-next v7 13/14] microchip: lan865x: add driver support
 for Microchip's LAN865X MAC-PHY

On Tue, Sep 03, 2024 at 04:17:04PM +0530, Parthiban Veerasooran wrote:
> The LAN8650/1 is designed to conform to the OPEN Alliance 10BASE-T1x
> MAC-PHY Serial Interface specification, Version 1.1. The IEEE Clause 4
> MAC integration provides the low pin count standard SPI interface to any
> microcontroller therefore providing Ethernet functionality without
> requiring MAC integration within the microcontroller. The LAN8650/1
> operates as an SPI client supporting SCLK clock rates up to a maximum of
> 25 MHz. This SPI interface supports the transfer of both data (Ethernet
> frames) and control (register access).
> 
> By default, the chunk data payload is 64 bytes in size. The Ethernet
> Media Access Controller (MAC) module implements a 10 Mbps half duplex
> Ethernet MAC, compatible with the IEEE 802.3 standard. 10BASE-T1S
> physical layer transceiver integrated is into the LAN8650/1. The PHY and
> MAC are connected via an internal Media Independent Interface (MII).
> 
> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew