diff options
| -rw-r--r-- | drivers/net/phy/adin.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/phy/adin.c b/drivers/net/phy/adin.c index f4ee611e33df..efbb732f0398 100644 --- a/drivers/net/phy/adin.c +++ b/drivers/net/phy/adin.c @@ -14,6 +14,9 @@ #define PHY_ID_ADIN1200 0x0283bc20 #define PHY_ID_ADIN1300 0x0283bc30 +#define ADIN1300_MII_EXT_REG_PTR 0x0010 +#define ADIN1300_MII_EXT_REG_DATA 0x0011 + #define ADIN1300_INT_MASK_REG 0x0018 #define ADIN1300_INT_MDIO_SYNC_EN BIT(9) #define ADIN1300_INT_ANEG_STAT_CHNG_EN BIT(8) @@ -51,6 +54,33 @@ static int adin_phy_config_intr(struct phy_device *phydev) ADIN1300_INT_MASK_EN); } +static int adin_read_mmd(struct phy_device *phydev, int devad, u16 regnum) +{ + struct mii_bus *bus = phydev->mdio.bus; + int phy_addr = phydev->mdio.addr; + int err; + + err = __mdiobus_write(bus, phy_addr, ADIN1300_MII_EXT_REG_PTR, regnum); + if (err) + return err; + + return __mdiobus_read(bus, phy_addr, ADIN1300_MII_EXT_REG_DATA); +} + +static int adin_write_mmd(struct phy_device *phydev, int devad, u16 regnum, + u16 val) +{ + struct mii_bus *bus = phydev->mdio.bus; + int phy_addr = phydev->mdio.addr; + int err; + + err = __mdiobus_write(bus, phy_addr, ADIN1300_MII_EXT_REG_PTR, regnum); + if (err) + return err; + + return __mdiobus_write(bus, phy_addr, ADIN1300_MII_EXT_REG_DATA, val); +} + static struct phy_driver adin_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_ADIN1200), @@ -62,6 +92,8 @@ static struct phy_driver adin_driver[] = { .config_intr = adin_phy_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, + .read_mmd = adin_read_mmd, + .write_mmd = adin_write_mmd, }, { PHY_ID_MATCH_MODEL(PHY_ID_ADIN1300), @@ -73,6 +105,8 @@ static struct phy_driver adin_driver[] = { .config_intr = adin_phy_config_intr, .resume = genphy_resume, .suspend = genphy_suspend, + .read_mmd = adin_read_mmd, + .write_mmd = adin_write_mmd, }, }; |