linux-kernel - [PATCH net 0/2] net: phy: nxp-c45-tja11xx: add errata for TJA112XA/B

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Message-ID: <20250304001629.4094176-1-andrei.botila@oss.nxp.com>
Date: Tue,  4 Mar 2025 02:16:26 +0200
From: Andrei Botila <andrei.botila@....nxp.com>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	s32@....com,
	Christophe Lizzi <clizzi@...hat.com>,
	Alberto Ruiz <aruizrui@...hat.com>,
	Enric Balletbo <eballetb@...hat.com>,
	Andrei Botila <andrei.botila@....nxp.com>
Subject: [PATCH net 0/2] net: phy: nxp-c45-tja11xx: add errata for TJA112XA/B

This patch series implements two errata for TJA1120 and TJA1121.

The first errata applicable to both RGMII and SGMII version
of TJA1120 and TJA1121 deals with achieving full silicon performance.
The workaround in this case is putting the PHY in managed mode and
applying a series of PHY writes before the link gest established.

The second errata applicable only to SGMII version of TJA1120 and
TJA1121 deals with achieving a stable operation of SGMII after a
startup event.
The workaround puts the SGMII PCS into power down mode and back up
after restart or wakeup from sleep.

Andrei Botila (2):
  net: phy: nxp-c45-tja11xx: add TJA112X PHY configuration errata
  net: phy: nxp-c45-tja11xx: add TJA112XB SGMII PCS restart errata

 drivers/net/phy/nxp-c45-tja11xx.c | 68 +++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

-- 
2.48.1