micrel.c: Add function ksz9031_phy_extended_write, helper to MDD register write micrel.h: Prototype and define MDD registers

Signed-off-by: Leo Sartre lsartre@adeneo-embedded.com --- drivers/net/phy/micrel.c | 25 +++++++++++++++++++++++++ include/micrel.h | 7 +++++++ 2 files changed, 32 insertions(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2a8b6cb..404faac 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -151,6 +151,31 @@ static struct phy_driver ksz9021_driver = { /* * 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 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, (devaddr | 0xC000)); + /*write the value*/ + return phy_write(phydev, MDIO_DEVAD_NONE, + MII_KSZ9031_MMD_REG_DATA, val); +} + static struct phy_driver ksz9031_driver = { .name = "Micrel ksz9031", .uid = 0x221620, diff --git a/include/micrel.h b/include/micrel.h index 25e8a46..d63ff45 100644 --- a/include/micrel.h +++ b/include/micrel.h @@ -9,8 +9,15 @@ #define MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW 0x106 #define MII_KSZ9021_EXT_ANALOG_TEST 0x107

+#define MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW 0x4 +#define MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW 0x5 +#define MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW 0x6 +#define MII_KSZ9031_EXT_RGMII_CLOCK_SKEW 0x8 + 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 val); #endif