diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2016-11-22 11:40:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-24 15:45:53 -0500 |
| commit | 5519da874ad0f382b725281e443cf7fe58995ed8 (patch) | |
| tree | d8ef7254ed89fcd84ef48c72d7ed055d2ac26a09 /drivers/net/phy/bcm-phy-lib.c | |
| parent | f8071cde7890db198201afa748efd658a8ba0fb2 (diff) | |
net: phy: broadcom: Move bcm54xx_auxctl_{read, write} to common library
We are going to need these functions to implement support for Broadcom
Wirespeed, aka downshift.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/bcm-phy-lib.c')
| -rw-r--r-- | drivers/net/phy/bcm-phy-lib.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index df0416db0b88..18e11b3a0f41 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -50,6 +50,23 @@ int bcm_phy_read_exp(struct phy_device *phydev, u16 reg) } EXPORT_SYMBOL_GPL(bcm_phy_read_exp); +int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum) +{ + /* The register must be written to both the Shadow Register Select and + * the Shadow Read Register Selector + */ + phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | + regnum << MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT); + return phy_read(phydev, MII_BCM54XX_AUX_CTL); +} +EXPORT_SYMBOL_GPL(bcm54xx_auxctl_read); + +int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val) +{ + return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val); +} +EXPORT_SYMBOL(bcm54xx_auxctl_write); + int bcm_phy_write_misc(struct phy_device *phydev, u16 reg, u16 chl, u16 val) { |