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net: eqos: add function to get phy node and address

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Since new atheros PHY driver needs to access its PHY node through
phy device, we have to assign the phy node in ethernet controller
driver. Otherwise the PHY driver will fail to get some nodes
and properties.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2022-07-26 16:41:16 +08:00 • committed by Stefano Babic
parent 5fc783b5d9
commit a6acf95508
2 changed files with 21 additions and 3 deletions
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23
drivers/net/dwc_eth_qos.c
View file

@ -719,6 +719,24 @@ static int eqos_read_rom_hwaddr(struct udevice *dev)
return !is_valid_ethaddr(pdata->enetaddr);
}
static int eqos_get_phy_addr(struct eqos_priv *priv, struct udevice *dev)
{
struct ofnode_phandle_args phandle_args;
int reg;
if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
&phandle_args)) {
debug("Failed to find phy-handle");
return -ENODEV;
}
priv->phy_of_node = phandle_args.node;
reg = ofnode_read_u32_default(phandle_args.node, "reg", 0);
return reg;
}
static int eqos_start(struct udevice *dev)
{
struct eqos_priv *eqos = dev_get_priv(dev);
@ -767,9 +785,7 @@ static int eqos_start(struct udevice *dev)
*/
if (!eqos->phy) {
int addr = -1;
#ifdef CONFIG_DM_ETH_PHY
addr = eth_phy_get_addr(dev);
#endif
addr = eqos_get_phy_addr(eqos, dev);
#ifdef DWC_NET_PHYADDR
addr = DWC_NET_PHYADDR;
#endif
@ -788,6 +804,7 @@ static int eqos_start(struct udevice *dev)
}
}
eqos->phy->node = eqos->phy_of_node;
ret = phy_config(eqos->phy);
if (ret < 0) {
pr_err("phy_config() failed: %d", ret);

1
drivers/net/dwc_eth_qos.h
View file

@ -261,6 +261,7 @@ struct eqos_priv {
struct clk clk_slave_bus;
struct mii_dev *mii;
struct phy_device *phy;
ofnode phy_of_node;
u32 max_speed;
void *descs;
int tx_desc_idx, rx_desc_idx;