Merge branch 'net-phy-marvell-88q2xxx-add-driver-for-the-marvell-88q2220-phy'

Dimitri Fedrau says:

====================
net: phy: marvell-88q2xxx: add driver for the Marvell 88Q2220 PHY
====================

Link: https://lore.kernel.org/r/20240218075753.18067-1-dima.fedrau@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/phy/Kconfig

@@ -232,6 +232,7 @@ config MARVELL_10G_PHY
 
 config MARVELL_88Q2XXX_PHY
 	tristate "Marvell 88Q2XXX PHY"
+	depends on HWMON || HWMON=n
 	help
 	  Support for the Marvell 88Q2XXX 100/1000BASE-T1 Automotive Ethernet
 	  PHYs.

drivers/net/phy/phy-c45.c

@@ -208,7 +208,8 @@ static int genphy_c45_baset1_an_config_aneg(struct phy_device *phydev)
 
 	adv_l_mask = MDIO_AN_T1_ADV_L_FORCE_MS | MDIO_AN_T1_ADV_L_PAUSE_CAP |
 		MDIO_AN_T1_ADV_L_PAUSE_ASYM;
-	adv_m_mask = MDIO_AN_T1_ADV_M_MST | MDIO_AN_T1_ADV_M_B10L;
+	adv_m_mask = MDIO_AN_T1_ADV_M_1000BT1 | MDIO_AN_T1_ADV_M_100BT1 |
+		MDIO_AN_T1_ADV_M_MST | MDIO_AN_T1_ADV_M_B10L;
 
 	switch (phydev->master_slave_set) {
 	case MASTER_SLAVE_CFG_MASTER_FORCE:

include/linux/marvell_phy.h

@@ -26,6 +26,7 @@
 #define MARVELL_PHY_ID_88E2110		0x002b09b0
 #define MARVELL_PHY_ID_88X2222		0x01410f10
 #define MARVELL_PHY_ID_88Q2110		0x002b0980
+#define MARVELL_PHY_ID_88Q2220		0x002b0b20
 
 /* Marvel 88E1111 in Finisar SFP module with modified PHY ID */
 #define MARVELL_PHY_ID_88E1111_FINISAR	0x01ff0cc0

include/linux/mdio.h

@@ -373,6 +373,10 @@ static inline void mii_t1_adv_m_mod_linkmode_t(unsigned long *advertising, u32 l
 {
 	linkmode_mod_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT,
 			 advertising, lpa & MDIO_AN_T1_ADV_M_B10L);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
+			 advertising, lpa & MDIO_AN_T1_ADV_M_100BT1);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+			 advertising, lpa & MDIO_AN_T1_ADV_M_1000BT1);
 }
 
 /**
@@ -409,6 +413,10 @@ static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising)
 
 	if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, advertising))
 		result |= MDIO_AN_T1_ADV_M_B10L;
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT, advertising))
+		result |= MDIO_AN_T1_ADV_M_100BT1;
+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, advertising))
+		result |= MDIO_AN_T1_ADV_M_1000BT1;
 
 	return result;
 }

include/uapi/linux/mdio.h

@@ -350,6 +350,8 @@
 
 /* BASE-T1 auto-negotiation advertisement register [31:16] */
 #define MDIO_AN_T1_ADV_M_B10L		0x4000	/* device is compatible with 10BASE-T1L */
+#define MDIO_AN_T1_ADV_M_1000BT1	0x0080	/* advertise 1000BASE-T1 */
+#define MDIO_AN_T1_ADV_M_100BT1		0x0020	/* advertise 100BASE-T1 */
 #define MDIO_AN_T1_ADV_M_MST		0x0010	/* advertise master preference */
 
 /* BASE-T1 auto-negotiation advertisement register [47:32] */