If the mac clock if from the external IO, set clock rate with 0; If the mac clock if from the internal divider pll, set 50M for rmii mode and set 125M for rgmii.
Signed-off-by: David Wu david.wu@rock-chips.com ---
drivers/net/gmac_rockchip.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c index 5f8f0cd..26f7a96 100644 --- a/drivers/net/gmac_rockchip.c +++ b/drivers/net/gmac_rockchip.c @@ -29,6 +29,7 @@ DECLARE_GLOBAL_DATA_PTR; struct gmac_rockchip_platdata { struct dw_eth_pdata dw_eth_pdata; void *grf; + int clk_in; int tx_delay; int rx_delay; }; @@ -64,6 +65,8 @@ static int gmac_rockchip_ofdata_to_platdata(struct udevice *dev) { struct gmac_rockchip_platdata *pdata = dev_get_platdata(dev);
+ pdata->clk_in = dev_read_u32_default(dev, "clock_in_out", 1); + /* Check the new naming-style first... */ pdata->tx_delay = dev_read_u32_default(dev, "tx_delay", -ENOENT); pdata->rx_delay = dev_read_u32_default(dev, "rx_delay", -ENOENT); @@ -294,6 +297,8 @@ static int gmac_rockchip_probe(struct udevice *dev) struct gmac_rockchip_platdata *pdata = dev_get_platdata(dev); struct gmac_rockchip_driver_data *data = (struct gmac_rockchip_driver_data *)dev_get_driver_data(dev); + struct dw_eth_pdata *dw_pdata = dev_get_platdata(dev); + struct eth_pdata *eth_pdata = &dw_pdata->eth_pdata; const struct rk_gmac_ops *ops = data->ops; struct clk clk; int ret; @@ -302,10 +307,20 @@ static int gmac_rockchip_probe(struct udevice *dev) if (ret) return ret;
- /* Since mac_clk is fed by an external clock we can use 0 here */ - ret = clk_set_rate(&clk, 0); - if (ret) - return ret; + if (pdata->clk_in) { + /* + * Since mac_clk is fed by an external clock + * we can use 0 here. + */ + ret = clk_set_rate(&clk, 0); + if (ret) + return ret; + } else { + if (eth_pdata->phy_interface == PHY_INTERFACE_MODE_RGMII) + clk_set_rate(&clk, 125000000); + else + clk_set_rate(&clk, 50000000); + }
pdata->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF) + data->grf_offset;