Merge branch 'net-phy-nxp-c45-tja11xx-add-support-for-tja1121'

Andrei Botila says:

====================
net: phy: nxp-c45-tja11xx: add support for TJA1121

This patch series adds .match_phy_device for the existing TJAs
to differentiate between TJA1103/TJA1104 and TJA1120/TJA1121.
TJA1103 and TJA1104 share the same PHY_ID but TJA1104 has MACsec
capabilities while TJA1103 doesn't.
Also add support for TJA1121 which is based on TJA1120 hardware
with additional MACsec IP.
====================

Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/phy/Kconfig

···
 	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"

drivers/net/phy/nxp-c45-tja11xx.c

···
 // SPDX-License-Identifier: GPL-2.0
 /* NXP C45 PHY driver
- * Copyright 2021-2023 NXP
+ * Copyright 2021-2025 NXP
  * Author: Radu Pirea <[e-mail]>
  */
 
···
 
 #include "nxp-c45-tja11xx.h"
 
+#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
···
 	}
 }
 
+static int nxp_c45_macsec_ability(struct phy_device *phydev)
+{
+	bool macsec_ability;
+	int phy_abilities;
+
+	phy_abilities = phy_read_mmd(phydev, MDIO_MMD_VEND1,
+				     VEND1_PORT_ABILITIES);
+	macsec_ability = !!(phy_abilities & MACSEC_ABILITY);
+
+	return macsec_ability;
+}
+
+static int tja1103_match_phy_device(struct phy_device *phydev)
+{
+	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1103, PHY_ID_MASK) &&
+	       !nxp_c45_macsec_ability(phydev);
+}
+
+static int tja1104_match_phy_device(struct phy_device *phydev)
+{
+	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1103, PHY_ID_MASK) &&
+	       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,
···
 
 static struct phy_driver nxp_c45_driver[] = {
 	{
-		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103),
 		.name			= "NXP C45 TJA1103",
 		.get_features		= nxp_c45_get_features,
 		.driver_data		= &tja1103_phy_data,
···
 		.get_sqi		= nxp_c45_get_sqi,
 		.get_sqi_max		= nxp_c45_get_sqi_max,
 		.remove			= nxp_c45_remove,
+		.match_phy_device	= tja1103_match_phy_device,
 	},
 	{
-		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120),
+		.name			= "NXP C45 TJA1104",
+		.get_features		= nxp_c45_get_features,
+		.driver_data		= &tja1103_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		= tja1103_config_intr,
+		.handle_interrupt	= nxp_c45_handle_interrupt,
+		.read_status		= genphy_c45_read_status,
+		.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	= tja1104_match_phy_device,
+	},
+	{
 		.name			= "NXP C45 TJA1120",
 		.get_features		= nxp_c45_get_features,
 		.driver_data		= &tja1120_phy_data,
···
 		.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,
 	},
 };