diff options
Diffstat (limited to 'drivers/net/phy/ti.c')
| -rw-r--r-- | drivers/net/phy/ti.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/phy/ti.c b/drivers/net/phy/ti.c index 8f3ed8a983..f1c9f7bafe 100644 --- a/drivers/net/phy/ti.c +++ b/drivers/net/phy/ti.c @@ -24,6 +24,7 @@ DECLARE_GLOBAL_DATA_PTR; #define DP83867_CTRL 0x1f /* Extended Registers */ +#define DP83867_CFG4 0x0031 #define DP83867_RGMIICTL 0x0032 #define DP83867_RGMIIDCTL 0x0086 #define DP83867_IO_MUX_CFG 0x0170 @@ -95,6 +96,7 @@ struct dp83867_private { int tx_id_delay; int fifo_depth; int io_impedance; + bool rxctrl_strap_quirk; }; /** @@ -183,6 +185,8 @@ static int dp83867_of_init(struct phy_device *phydev) else dp83867->io_impedance = -EINVAL; + if (fdtdec_get_bool(fdt, node, "ti,dp83867-rxctrl-strap-quirk")) + dp83867->rxctrl_strap_quirk = true; dp83867->rx_id_delay = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), "ti,rx-internal-delay", -1); @@ -232,6 +236,15 @@ static int dp83867_config(struct phy_device *phydev) phy_write(phydev, MDIO_DEVAD_NONE, DP83867_CTRL, val | DP83867_SW_RESTART); + /* Mode 1 or 2 workaround */ + if (dp83867->rxctrl_strap_quirk) { + val = phy_read_mmd_indirect(phydev, DP83867_CFG4, + DP83867_DEVADDR, phydev->addr); + val &= ~BIT(7); + phy_write_mmd_indirect(phydev, DP83867_CFG4, + DP83867_DEVADDR, phydev->addr, val); + } + if (phy_interface_is_rgmii(phydev)) { ret = phy_write(phydev, MDIO_DEVAD_NONE, MII_DP83867_PHYCTRL, (DP83867_MDI_CROSSOVER_AUTO << DP83867_MDI_CROSSOVER) | |