diff options
| author | Fugang Duan <fugang.duan@nxp.com> | 2020-05-03 17:41:16 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2020-05-10 14:25:02 +0300 |
| commit | e32e4d0f58cb0ca5fc77aa3f5745c1910b13c68b (patch) | |
| tree | 8c64e95116eb1af5035ff68b5525c116630e34e0 /drivers/net | |
| parent | 6a895d039ba7ddcff3d49836b6642573792d7067 (diff) | |
| download | u-boot-e32e4d0f58cb0ca5fc77aa3f5745c1910b13c68b.tar.xz | |
net: phy: realtek: add rx delay support for RTL8211F
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/realtek.c | 11 |
1 files changed, 11 insertions, 0 deletions
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); |