diff options
Diffstat (limited to 'drivers/net/dwc_eth_qos_imx.c')
| -rw-r--r-- | drivers/net/dwc_eth_qos_imx.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/net/dwc_eth_qos_imx.c b/drivers/net/dwc_eth_qos_imx.c index f5f3f2099f0..962c5373243 100644 --- a/drivers/net/dwc_eth_qos_imx.c +++ b/drivers/net/dwc_eth_qos_imx.c @@ -179,21 +179,28 @@ static int eqos_set_tx_clk_speed_imx(struct udevice *dev) debug("%s(dev=%p):\n", __func__, dev); - switch (eqos->phy->speed) { - case SPEED_1000: - rate = 125 * 1000 * 1000; - break; - case SPEED_100: - rate = 25 * 1000 * 1000; - break; - case SPEED_10: - rate = 2.5 * 1000 * 1000; - break; - default: + if (eqos->phy->interface == PHY_INTERFACE_MODE_RMII) + rate = 5000; /* 5000 kHz = 5 MHz */ + else + rate = 2500; /* 2500 kHz = 2.5 MHz */ + + if (eqos->phy->speed == SPEED_1000 && + (eqos->phy->interface == PHY_INTERFACE_MODE_RGMII || + eqos->phy->interface == PHY_INTERFACE_MODE_RGMII_ID || + eqos->phy->interface == PHY_INTERFACE_MODE_RGMII_RXID || + eqos->phy->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { + rate *= 50; /* Use 50x base rate i.e. 125 MHz */ + } else if (eqos->phy->speed == SPEED_100) { + rate *= 10; /* Use 10x base rate */ + } else if (eqos->phy->speed == SPEED_10) { + rate *= 1; /* Use base rate */ + } else { pr_err("invalid speed %d", eqos->phy->speed); return -EINVAL; } + rate *= 1000; /* clk_set_rate() operates in Hz */ + ret = clk_set_rate(&eqos->clk_tx, rate); if (ret < 0) { pr_err("imx (tx_clk, %lu) failed: %d", rate, ret); |