linux-kernel - Re: [PATCH v11 3/4] dt-bindings: ethernet-phy: add optional brr-mode flag

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Message-ID: <172044987681.3165374.12381204340909635857.robh@kernel.org>
Date: Mon, 8 Jul 2024 08:44:37 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Kamil Horák <kamilh@...s.com>
Cc: linux@...linux.org.uk, andrew@...n.ch, edumazet@...gle.com,
	devicetree@...r.kernel.org, davem@...emloft.net,
	conor+dt@...nel.org, netdev@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com, hkallweit1@...il.com,
	kuba@...nel.org, florian.fainelli@...adcom.com, krzk+dt@...nel.org,
	pabeni@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 3/4] dt-bindings: ethernet-phy: add optional brr-mode
 flag


On Mon, 08 Jul 2024 12:27:15 +0200, Kamil Horák (2N) wrote:
> There is a group of PHY chips supporting BroadR-Reach link modes in
> a manner allowing for more or less identical register usage as standard
> Clause 22 PHY.
> These chips support standard Ethernet link modes as well, however, the
> circuitry is mutually exclusive and cannot be auto-detected.
> The link modes in question are 100Base-T1 as defined in IEEE802.3bw,
> based on Broadcom's 1BR-100 link mode, and newly defined 10Base-T1BRR
> (1BR-10 in Broadcom documents).
> 
> Add optional brr-mode flag to switch the PHY to BroadR-Reach mode.
> 
> Signed-off-by: Kamil Horák (2N) <kamilh@...s.com>
> ---
>  Documentation/devicetree/bindings/net/ethernet-phy.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>