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net: netcp: add support for phy with rgmii ids

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Enhance the netcp driver to support phys that can be configured
for internal delay (rgmii-id, rgmii-rxid, rgmii-txid)

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Murali Karicheri 2019-02-21 12:02:03 -05:00 committed by Tom Rini
parent b15311c90b
commit 55d5cb1728
1 changed files with 21 additions and 1 deletions
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22
drivers/net/ti/keystone_net.c
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@ -88,6 +88,7 @@ struct ks2_eth_priv {
struct mii_dev *mdio_bus;
int phy_addr;
phy_interface_t phy_if;
int phy_of_handle;
int sgmii_link_type;
void *mdio_base;
struct rx_buff_desc net_rx_buffs;
@ -588,6 +589,10 @@ static int ks2_eth_probe(struct udevice *dev)
if (priv->has_mdio) {
priv->phydev = phy_connect(priv->mdio_bus, priv->phy_addr,
dev, priv->phy_if);
#ifdef CONFIG_DM_ETH
if (priv->phy_of_handle)
priv->phydev->node = offset_to_ofnode(priv->phy_of_handle);
#endif
phy_config(priv->phydev);
}
@ -679,6 +684,7 @@ static int ks2_eth_parse_slave_interface(int netcp, int slave,
int phy;
int dma_count;
u32 dma_channel[8];
const char *phy_mode;
priv->slave_port = fdtdec_get_int(fdt, slave, "slave-port", -1);
priv->net_rx_buffs.rx_flow = priv->slave_port * 8;
@ -700,7 +706,9 @@ static int ks2_eth_parse_slave_interface(int netcp, int slave,
priv->link_type = fdtdec_get_int(fdt, slave, "link-interface", -1);
phy = fdtdec_lookup_phandle(fdt, slave, "phy-handle");
if (phy >= 0) {
priv->phy_of_handle = phy;
priv->phy_addr = fdtdec_get_int(fdt, phy, "reg", -1);
mdio = fdt_parent_offset(fdt, phy);
@ -717,7 +725,19 @@ static int ks2_eth_parse_slave_interface(int netcp, int slave,
priv->sgmii_link_type = SGMII_LINK_MAC_PHY;
priv->has_mdio = true;
} else if (priv->link_type == LINK_TYPE_RGMII_LINK_MAC_PHY) {
priv->phy_if = PHY_INTERFACE_MODE_RGMII;
phy_mode = fdt_getprop(fdt, slave, "phy-mode", NULL);
if (phy_mode) {
priv->phy_if = phy_get_interface_by_name(phy_mode);
if (priv->phy_if != PHY_INTERFACE_MODE_RGMII &&
priv->phy_if != PHY_INTERFACE_MODE_RGMII_ID &&
priv->phy_if != PHY_INTERFACE_MODE_RGMII_RXID &&
priv->phy_if != PHY_INTERFACE_MODE_RGMII_TXID) {
pr_err("invalid phy-mode\n");
return -EINVAL;
}
} else {
priv->phy_if = PHY_INTERFACE_MODE_RGMII;
}
pdata->phy_interface = priv->phy_if;
priv->has_mdio = true;
}