From: Fugang Duan fugang.duan@nxp.com
Add RX delay enable support for RTL8211F PHY.
Reviewed-by: Ye Li ye.li@nxp.com Signed-off-by: Fugang Duan fugang.duan@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- drivers/net/phy/realtek.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 8f1d759632..8f0a897a46 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -56,6 +56,7 @@
#define MIIM_RTL8211F_PAGE_SELECT 0x1f #define MIIM_RTL8211F_TX_DELAY 0x100 +#define MIIM_RTL8211F_RX_DELAY 0x8 #define MIIM_RTL8211F_LCR 0x10
static int rtl8211f_phy_extread(struct phy_device *phydev, int addr, @@ -183,6 +184,16 @@ static int rtl8211f_config(struct phy_device *phydev) reg &= ~MIIM_RTL8211F_TX_DELAY;
phy_write(phydev, MDIO_DEVAD_NONE, 0x11, reg); + + /* enable RX-delay for rgmii-id and rgmii-rxid, otherwise disable it */ + reg = phy_read(phydev, MDIO_DEVAD_NONE, 0x15); + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) + reg |= MIIM_RTL8211F_RX_DELAY; + else + reg &= ~MIIM_RTL8211F_RX_DELAY; + phy_write(phydev, MDIO_DEVAD_NONE, 0x15, reg); + /* restore to default page 0 */ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT, 0x0);