diff options
| -rw-r--r-- | drivers/net/phy/micrel.c | 36 | ||||
| -rw-r--r-- | include/micrel.h | 11 |
2 files changed, 46 insertions, 1 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2a8b6cb947..aa9cbcfffc 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -148,9 +148,43 @@ static struct phy_driver ksz9021_driver = { }; #endif -/* +/** * KSZ9031 */ +/* PHY Registers */ +#define MII_KSZ9031_MMD_ACCES_CTRL 0x0d +#define MII_KSZ9031_MMD_REG_DATA 0x0e + +/* Accessors to extended registers*/ +int ksz9031_phy_extended_write(struct phy_device *phydev, + int devaddr, int regnum, u16 mode, u16 val) +{ + /*select register addr for mmd*/ + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_ACCES_CTRL, devaddr); + /*select register for mmd*/ + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_REG_DATA, regnum); + /*setup mode*/ + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_ACCES_CTRL, (mode | devaddr)); + /*write the value*/ + return phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_REG_DATA, val); +} + +int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr, + int regnum, u16 mode) +{ + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_ACCES_CTRL, devaddr); + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_REG_DATA, regnum); + phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_ACCES_CTRL, (devaddr | mode)); + return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9031_MMD_REG_DATA); +} + static struct phy_driver ksz9031_driver = { .name = "Micrel ksz9031", .uid = 0x221620, diff --git a/include/micrel.h b/include/micrel.h index 25e8a4624b..e1c62d83cb 100644 --- a/include/micrel.h +++ b/include/micrel.h @@ -8,9 +8,20 @@ #define MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW 0x105 #define MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW 0x106 #define MII_KSZ9021_EXT_ANALOG_TEST 0x107 +/* Register operations */ +#define MII_KSZ9031_MOD_REG 0x0000 +/* Data operations */ +#define MII_KSZ9031_MOD_DATA_NO_POST_INC 0x4000 +#define MII_KSZ9031_MOD_DATA_POST_INC_RW 0x8000 +#define MII_KSZ9031_MOD_DATA_POST_INC_W 0xC000 struct phy_device; int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val); int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum); +int ksz9031_phy_extended_write(struct phy_device *phydev, int devaddr, + int regnum, u16 mode, u16 val); +int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr, + int regnum, u16 mode); + #endif |