net: pxa168_eth: add device tree support
Add the device tree support to the pxa168_eth driver. Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
307f65657d
commit
43d3ddf87a
|
@ -193,6 +193,7 @@ struct tx_desc {
|
|||
|
||||
struct pxa168_eth_private {
|
||||
int port_num; /* User Ethernet port number */
|
||||
int phy_addr;
|
||||
|
||||
int rx_resource_err; /* Rx ring resource error flag */
|
||||
|
||||
|
@ -1360,24 +1361,25 @@ static struct phy_device *phy_scan(struct pxa168_eth_private *pep, int phy_addr)
|
|||
return phydev;
|
||||
}
|
||||
|
||||
static void phy_init(struct pxa168_eth_private *pep, int speed, int duplex)
|
||||
static void phy_init(struct pxa168_eth_private *pep)
|
||||
{
|
||||
struct phy_device *phy = pep->phy;
|
||||
|
||||
phy_attach(pep->dev, dev_name(&phy->dev), PHY_INTERFACE_MODE_MII);
|
||||
|
||||
if (speed == 0) {
|
||||
if (pep->pd && pep->pd->speed != 0) {
|
||||
phy->autoneg = AUTONEG_DISABLE;
|
||||
phy->advertising = 0;
|
||||
phy->speed = pep->pd->speed;
|
||||
phy->duplex = pep->pd->duplex;
|
||||
} else {
|
||||
phy->autoneg = AUTONEG_ENABLE;
|
||||
phy->speed = 0;
|
||||
phy->duplex = 0;
|
||||
phy->supported &= PHY_BASIC_FEATURES;
|
||||
phy->advertising = phy->supported | ADVERTISED_Autoneg;
|
||||
} else {
|
||||
phy->autoneg = AUTONEG_DISABLE;
|
||||
phy->advertising = 0;
|
||||
phy->speed = speed;
|
||||
phy->duplex = duplex;
|
||||
}
|
||||
|
||||
phy_start_aneg(phy);
|
||||
}
|
||||
|
||||
|
@ -1385,11 +1387,13 @@ static int ethernet_phy_setup(struct net_device *dev)
|
|||
{
|
||||
struct pxa168_eth_private *pep = netdev_priv(dev);
|
||||
|
||||
if (pep->pd->init)
|
||||
if (pep->pd && pep->pd->init)
|
||||
pep->pd->init();
|
||||
pep->phy = phy_scan(pep, pep->pd->phy_addr & 0x1f);
|
||||
|
||||
pep->phy = phy_scan(pep, pep->phy_addr & 0x1f);
|
||||
if (pep->phy != NULL)
|
||||
phy_init(pep, pep->pd->speed, pep->pd->duplex);
|
||||
phy_init(pep);
|
||||
|
||||
update_hash_table_mac_address(pep, NULL, dev->dev_addr);
|
||||
|
||||
return 0;
|
||||
|
@ -1449,16 +1453,17 @@ static int pxa168_eth_probe(struct platform_device *pdev)
|
|||
struct net_device *dev = NULL;
|
||||
struct resource *res;
|
||||
struct clk *clk;
|
||||
struct device_node *np;
|
||||
int err;
|
||||
|
||||
printk(KERN_NOTICE "PXA168 10/100 Ethernet Driver\n");
|
||||
|
||||
clk = clk_get(&pdev->dev, "MFUCLK");
|
||||
clk = devm_clk_get(&pdev->dev, NULL);
|
||||
if (IS_ERR(clk)) {
|
||||
dev_err(&pdev->dev, "Fast Ethernet failed to get clock\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
clk_enable(clk);
|
||||
clk_prepare_enable(clk);
|
||||
|
||||
dev = alloc_etherdev(sizeof(struct pxa168_eth_private));
|
||||
if (!dev) {
|
||||
|
@ -1475,8 +1480,8 @@ static int pxa168_eth_probe(struct platform_device *pdev)
|
|||
err = -ENODEV;
|
||||
goto err_netdev;
|
||||
}
|
||||
pep->base = ioremap(res->start, resource_size(res));
|
||||
if (pep->base == NULL) {
|
||||
pep->base = devm_ioremap_resource(&pdev->dev, res);
|
||||
if (IS_ERR(pep->base)) {
|
||||
err = -ENOMEM;
|
||||
goto err_netdev;
|
||||
}
|
||||
|
@ -1493,16 +1498,28 @@ static int pxa168_eth_probe(struct platform_device *pdev)
|
|||
dev_info(&pdev->dev, "Using random mac address\n");
|
||||
eth_hw_addr_random(dev);
|
||||
|
||||
pep->pd = dev_get_platdata(&pdev->dev);
|
||||
pep->rx_ring_size = NUM_RX_DESCS;
|
||||
if (pep->pd->rx_queue_size)
|
||||
pep->rx_ring_size = pep->pd->rx_queue_size;
|
||||
|
||||
pep->tx_ring_size = NUM_TX_DESCS;
|
||||
if (pep->pd->tx_queue_size)
|
||||
pep->tx_ring_size = pep->pd->tx_queue_size;
|
||||
|
||||
pep->port_num = pep->pd->port_number;
|
||||
pep->pd = dev_get_platdata(&pdev->dev);
|
||||
if (pep->pd) {
|
||||
if (pep->pd->rx_queue_size)
|
||||
pep->rx_ring_size = pep->pd->rx_queue_size;
|
||||
|
||||
if (pep->pd->tx_queue_size)
|
||||
pep->tx_ring_size = pep->pd->tx_queue_size;
|
||||
|
||||
pep->port_num = pep->pd->port_number;
|
||||
pep->phy_addr = pep->pd->phy_addr;
|
||||
} else if (pdev->dev.of_node) {
|
||||
of_property_read_u32(pdev->dev.of_node, "port-id",
|
||||
&pep->port_num);
|
||||
|
||||
np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
|
||||
if (np)
|
||||
of_property_read_u32(np, "reg", &pep->phy_addr);
|
||||
}
|
||||
|
||||
/* Hardware supports only 3 ports */
|
||||
BUG_ON(pep->port_num > 2);
|
||||
netif_napi_add(dev, &pep->napi, pxa168_rx_poll, pep->rx_ring_size);
|
||||
|
@ -1603,6 +1620,12 @@ static int pxa168_eth_suspend(struct platform_device *pdev, pm_message_t state)
|
|||
#define pxa168_eth_suspend NULL
|
||||
#endif
|
||||
|
||||
static const struct of_device_id pxa168_eth_of_match[] = {
|
||||
{ .compatible = "marvell,pxa168-eth" },
|
||||
{ },
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, pxa168_eth_of_match);
|
||||
|
||||
static struct platform_driver pxa168_eth_driver = {
|
||||
.probe = pxa168_eth_probe,
|
||||
.remove = pxa168_eth_remove,
|
||||
|
@ -1610,8 +1633,9 @@ static struct platform_driver pxa168_eth_driver = {
|
|||
.resume = pxa168_eth_resume,
|
||||
.suspend = pxa168_eth_suspend,
|
||||
.driver = {
|
||||
.name = DRIVER_NAME,
|
||||
},
|
||||
.name = DRIVER_NAME,
|
||||
.of_match_table = of_match_ptr(pxa168_eth_of_match),
|
||||
},
|
||||
};
|
||||
|
||||
module_platform_driver(pxa168_eth_driver);
|
||||
|
|
Loading…
Reference in a new issue