netdev - [PATCH net-next v2 2/2] net: phy: nxp-c45-tja11xx: add support for TJA1121

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Message-ID: <20250228154320.2979000-3-andrei.botila@oss.nxp.com>
Date: Fri, 28 Feb 2025 17:43:20 +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-next v2 2/2] net: phy: nxp-c45-tja11xx: add support for TJA1121

Add support for TJA1121 which is based on TJA1120 but with
additional MACsec IP.

Signed-off-by: Andrei Botila <andrei.botila@....nxp.com>
---
 drivers/net/phy/Kconfig           |  2 +-
 drivers/net/phy/nxp-c45-tja11xx.c | 40 ++++++++++++++++++++++++++++++-
 2 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 41c15a2c2037..d29f9f7fd2e1 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -328,7 +328,7 @@ config NXP_C45_TJA11XX_PHY
 	depends on MACSEC || !MACSEC
 	help
 	  Enable support for NXP C45 TJA11XX PHYs.
-	  Currently supports the TJA1103, TJA1104 and TJA1120 PHYs.
+	  Currently supports the TJA1103, TJA1104, TJA1120 and TJA1121 PHYs.
 
 config NXP_TJA11XX_PHY
 	tristate "NXP TJA11xx PHYs support"
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 4013a17c205a..63945fe58227 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -22,6 +22,7 @@
 #define PHY_ID_MASK			GENMASK(31, 4)
 /* Same id: TJA1103, TJA1104 */
 #define PHY_ID_TJA_1103			0x001BB010
+/* Same id: TJA1120, TJA1121 */
 #define PHY_ID_TJA_1120			0x001BB031
 
 #define VEND1_DEVICE_CONTROL		0x0040
@@ -1914,6 +1915,18 @@ static int tja1104_match_phy_device(struct phy_device *phydev)
 	       nxp_c45_macsec_ability(phydev);
 }
 
+static int tja1120_match_phy_device(struct phy_device *phydev)
+{
+	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1120, PHY_ID_MASK) &&
+	       !nxp_c45_macsec_ability(phydev);
+}
+
+static int tja1121_match_phy_device(struct phy_device *phydev)
+{
+	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1120, PHY_ID_MASK) &&
+	       nxp_c45_macsec_ability(phydev);
+}
+
 static const struct nxp_c45_regmap tja1120_regmap = {
 	.vend1_ptp_clk_period	= 0x1020,
 	.vend1_event_msg_filt	= 0x9010,
@@ -2032,7 +2045,6 @@ static struct phy_driver nxp_c45_driver[] = {
 		.match_phy_device	= tja1104_match_phy_device,
 	},
 	{
-		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120),
 		.name			= "NXP C45 TJA1120",
 		.get_features		= nxp_c45_get_features,
 		.driver_data		= &tja1120_phy_data,
@@ -2055,6 +2067,32 @@ static struct phy_driver nxp_c45_driver[] = {
 		.get_sqi		= nxp_c45_get_sqi,
 		.get_sqi_max		= nxp_c45_get_sqi_max,
 		.remove			= nxp_c45_remove,
+		.match_phy_device	= tja1120_match_phy_device,
+	},
+	{
+		.name			= "NXP C45 TJA1121",
+		.get_features		= nxp_c45_get_features,
+		.driver_data		= &tja1120_phy_data,
+		.probe			= nxp_c45_probe,
+		.soft_reset		= nxp_c45_soft_reset,
+		.config_aneg		= genphy_c45_config_aneg,
+		.config_init		= nxp_c45_config_init,
+		.config_intr		= tja1120_config_intr,
+		.handle_interrupt	= nxp_c45_handle_interrupt,
+		.read_status		= genphy_c45_read_status,
+		.link_change_notify	= tja1120_link_change_notify,
+		.suspend		= genphy_c45_pma_suspend,
+		.resume			= genphy_c45_pma_resume,
+		.get_sset_count		= nxp_c45_get_sset_count,
+		.get_strings		= nxp_c45_get_strings,
+		.get_stats		= nxp_c45_get_stats,
+		.cable_test_start	= nxp_c45_cable_test_start,
+		.cable_test_get_status	= nxp_c45_cable_test_get_status,
+		.set_loopback		= genphy_c45_loopback,
+		.get_sqi		= nxp_c45_get_sqi,
+		.get_sqi_max		= nxp_c45_get_sqi_max,
+		.remove			= nxp_c45_remove,
+		.match_phy_device	= tja1121_match_phy_device,
 	},
 };
 
-- 
2.48.1