Commit 42a7cb50 authored by SARTRE Leo's avatar SARTRE Leo Committed by Joe Hershberger

net: phy: supplement support for Micrel's KSZ9031

Add function ksz9031_phy_extended_write and ksz9031_phy_extended_read
Signed-off-by: default avatarLeo Sartre <lsartre@adeneo-embedded.com>
parent d256be29
......@@ -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,
......
......@@ -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
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