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From:   "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@oss.nxp.com>
To:     andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
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        sebastian.tobuschat@nxp.com,
        "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@oss.nxp.com>
Subject: [PATCH v2 05/13] net: phy: c45: detect 100BaseT1 and 1000BaseT1 PMA abilites
Date:   Fri, 23 Jun 2023 10:41:15 +0300
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Detect 100BaseT1 and 1000BaseT1 PMA abilites using dedicated bits.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
---
 drivers/net/phy/phy-c45.c | 8 ++++++++
 include/uapi/linux/mdio.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index fee514b96ab1..1017aeb0599b 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -976,6 +976,14 @@ int genphy_c45_pma_read_abilities(struct phy_device *phydev)
 					 phydev->supported,
 					 val & MDIO_PMA_PMD_BT1_B10L_ABLE);
 
+			linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
+					 phydev->supported,
+					 val & MDIO_PMA_PMD_BT1_B100_ABLE);
+
+			linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+					 phydev->supported,
+					 val & MDIO_PMA_PMD_BT1_B1000_ABLE);
+
 			val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_T1_STAT);
 			if (val < 0)
 				return val;
diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index b826598d1e94..82ed363f5268 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -332,6 +332,8 @@
 #define MDIO_PCS_10T1L_CTRL_RESET	0x8000	/* PCS reset */
 
 /* BASE-T1 PMA/PMD extended ability register. */
+#define MDIO_PMA_PMD_BT1_B100_ABLE	0x0001	/* 100BASE-T1 Ability */
+#define MDIO_PMA_PMD_BT1_B1000_ABLE	0x0002	/* 1000BASE-T1 Ability */
 #define MDIO_PMA_PMD_BT1_B10L_ABLE	0x0004	/* 10BASE-T1L Ability */
 
 /* BASE-T1 auto-negotiation advertisement register [15:0] */
-- 
2.34.1