diff options
| author | SARTRE Leo <lsartre@adeneo-embedded.com> | 2013-04-30 16:57:25 +0200 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2013-06-24 19:11:16 -0500 |
| commit | 42a7cb50a96e95cdca26607727c6767876414ced (patch) | |
| tree | 2bcbc6917575511d34d95c9c65ce9e25298fb2a3 /drivers/net/phy/micrel.c | |
| parent | d256be29f86b7c4e98435f7047a3e9c44dd7e0f4 (diff) | |
net: phy: supplement support for Micrel's KSZ9031
Add function ksz9031_phy_extended_write and ksz9031_phy_extended_read
Signed-off-by: Leo Sartre <lsartre@adeneo-embedded.com>
Diffstat (limited to 'drivers/net/phy/micrel.c')
| -rw-r--r-- | drivers/net/phy/micrel.c | 36 |
1 files changed, 35 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, |