linux-kernel - Re: [PATCH] arm64: dts: ti: k3-*: Replace rgmii-rxid with rgmii-id for CPSW ports

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Message-ID: <20251105163524.GA18927@francesco-nb>
Date: Wed, 5 Nov 2025 17:35:24 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Siddharth Vadapalli <s-vadapalli@...com>
Cc: nm@...com, vigneshr@...com, kristo@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	srk@...com
Subject: Re: [PATCH] arm64: dts: ti: k3-*: Replace rgmii-rxid with rgmii-id
 for CPSW ports

On Sat, Oct 25, 2025 at 01:07:59PM +0530, Siddharth Vadapalli wrote:
> The MAC Ports across all of the CPSW instances (CPSW2G, CPSW3G, CPSW5G and
> CPSW9G) present in various K3 SoCs only support the 'RGMII-ID' mode. This
> correction has been implemented/enforced by the updates to:
> a) Device-Tree binding for CPSW [0]
> b) Driver for CPSW [1]
> c) Driver for CPSW MAC Port's GMII [2]
> 
> To complete the transition from 'RGMII-RXID' to 'RGMII-ID', update the
> 'phy-mode' property for all CPSW ports by replacing 'rgmii-rxid' with
> 'rgmii-id'.
> 
> [0]: commit 9b357ea52523 ("dt-bindings: net: ti: k3-am654-cpsw-nuss: update phy-mode in example")
> [1]: commit ca13b249f291 ("net: ethernet: ti: am65-cpsw: fixup PHY mode for fixed RGMII TX delay")
> [2]: commit a22d3b0d49d4 ("phy: ti: gmii-sel: Always write the RGMII ID setting")
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@...com>

Tested-by: Francesco Dolcini <francesco.dolcini@...adex.com> # Toradex Verdin AM62P

Verdin AM62 is the same regarding ethernet, so I expect no issue also
there.

Francesco