diff options
Diffstat (limited to 'drivers/net/phy/realtek.c')
| -rw-r--r-- | drivers/net/phy/realtek.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index b4612c1cfd..b1b1fa5080 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -14,6 +14,7 @@ #define PHY_RTL8211x_FORCE_MASTER BIT(1) #define PHY_RTL8211E_PINE64_GIGABIT_FIX BIT(2) #define PHY_RTL8211F_FORCE_EEE_RXC_ON BIT(3) +#define PHY_RTL8201F_S700_RMII_TIMINGS BIT(4) #define PHY_AUTONEGOTIATE_TIMEOUT 5000 @@ -60,6 +61,15 @@ #define MIIM_RTL8211F_RX_DELAY 0x8 #define MIIM_RTL8211F_LCR 0x10 +#define RTL8201F_RMSR 0x10 + +#define RMSR_RX_TIMING_SHIFT BIT(2) +#define RMSR_RX_TIMING_MASK GENMASK(7, 4) +#define RMSR_RX_TIMING_VAL 0x4 +#define RMSR_TX_TIMING_SHIFT BIT(3) +#define RMSR_TX_TIMING_MASK GENMASK(11, 8) +#define RMSR_TX_TIMING_VAL 0x5 + static int rtl8211f_phy_extread(struct phy_device *phydev, int addr, int devaddr, int regnum) { @@ -114,6 +124,15 @@ static int rtl8211f_probe(struct phy_device *phydev) return 0; } +static int rtl8210f_probe(struct phy_device *phydev) +{ +#ifdef CONFIG_RTL8201F_PHY_S700_RMII_TIMINGS + phydev->flags |= PHY_RTL8201F_S700_RMII_TIMINGS; +#endif + + return 0; +} + /* RealTek RTL8211x */ static int rtl8211x_config(struct phy_device *phydev) { @@ -159,6 +178,29 @@ static int rtl8211x_config(struct phy_device *phydev) return 0; } +/* RealTek RTL8201F */ +static int rtl8201f_config(struct phy_device *phydev) +{ + unsigned int reg; + + if (phydev->flags & PHY_RTL8201F_S700_RMII_TIMINGS) { + phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT, + 7); + reg = phy_read(phydev, MDIO_DEVAD_NONE, RTL8201F_RMSR); + reg &= ~(RMSR_RX_TIMING_MASK | RMSR_TX_TIMING_MASK); + /* Set the needed Rx/Tx Timings for proper PHY operation */ + reg |= (RMSR_RX_TIMING_VAL << RMSR_RX_TIMING_SHIFT) + | (RMSR_TX_TIMING_VAL << RMSR_TX_TIMING_SHIFT); + phy_write(phydev, MDIO_DEVAD_NONE, RTL8201F_RMSR, reg); + phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT, + 0); + } + + genphy_config_aneg(phydev); + + return 0; +} + static int rtl8211f_config(struct phy_device *phydev) { u16 reg; @@ -398,12 +440,25 @@ static struct phy_driver RTL8211F_driver = { .writeext = &rtl8211f_phy_extwrite, }; +/* Support for RTL8201F PHY */ +static struct phy_driver RTL8201F_driver = { + .name = "RealTek RTL8201F 10/100Mbps Ethernet", + .uid = 0x1cc816, + .mask = 0xffffff, + .features = PHY_BASIC_FEATURES, + .probe = &rtl8210f_probe, + .config = &rtl8201f_config, + .startup = &rtl8211e_startup, + .shutdown = &genphy_shutdown, +}; + int phy_realtek_init(void) { phy_register(&RTL8211B_driver); phy_register(&RTL8211E_driver); phy_register(&RTL8211F_driver); phy_register(&RTL8211DN_driver); + phy_register(&RTL8201F_driver); return 0; } |