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path: root/drivers/net/ethernet/ti/cpsw.c
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Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c95
1 files changed, 58 insertions, 37 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 874fb297e..fc958067d 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -29,6 +29,7 @@
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
+#include <linux/gpio.h>
#include <linux/of.h>
#include <linux/of_mdio.h>
#include <linux/of_net.h>
@@ -1789,7 +1790,6 @@ static void cpsw_get_drvinfo(struct net_device *ndev,
strlcpy(info->driver, "cpsw", sizeof(info->driver));
strlcpy(info->version, "1.0", sizeof(info->version));
strlcpy(info->bus_info, priv->pdev->name, sizeof(info->bus_info));
- info->regdump_len = cpsw_get_regs_len(ndev);
}
static u32 cpsw_get_msglevel(struct net_device *ndev)
@@ -2026,11 +2026,8 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
for_each_child_of_node(node, slave_node) {
struct cpsw_slave_data *slave_data = data->slave_data + i;
const void *mac_addr = NULL;
- u32 phyid;
int lenp;
const __be32 *parp;
- struct device_node *mdio_node;
- struct platform_device *mdio;
/* This is no slave child node, continue */
if (strcmp(slave_node->name, "slave"))
@@ -2038,20 +2035,45 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
parp = of_get_property(slave_node, "phy_id", &lenp);
- if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
- dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i);
+ if (of_phy_is_fixed_link(slave_node)) {
+ struct device_node *phy_node;
+ struct phy_device *phy_dev;
+
+ /* In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
+ ret = of_phy_register_fixed_link(slave_node);
+ if (ret)
+ return ret;
+ phy_node = of_node_get(slave_node);
+ phy_dev = of_phy_find_device(phy_node);
+ if (!phy_dev)
+ return -ENODEV;
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr);
+ } else if (parp) {
+ u32 phyid;
+ struct device_node *mdio_node;
+ struct platform_device *mdio;
+
+ if (lenp != (sizeof(__be32) * 2)) {
+ dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i);
+ goto no_phy_slave;
+ }
+ mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
+ phyid = be32_to_cpup(parp+1);
+ mdio = of_find_device_by_node(mdio_node);
+ of_node_put(mdio_node);
+ if (!mdio) {
+ dev_err(&pdev->dev, "Missing mdio platform device\n");
+ return -EINVAL;
+ }
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, mdio->name, phyid);
+ } else {
+ dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
goto no_phy_slave;
}
- mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
- phyid = be32_to_cpup(parp+1);
- mdio = of_find_device_by_node(mdio_node);
- of_node_put(mdio_node);
- if (!mdio) {
- dev_err(&pdev->dev, "Missing mdio platform device\n");
- return -EINVAL;
- }
- snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, mdio->name, phyid);
slave_data->phy_if = of_get_phy_mode(slave_node);
if (slave_data->phy_if < 0) {
dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n",
@@ -2064,13 +2086,10 @@ no_phy_slave:
if (mac_addr) {
memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN);
} else {
- if (of_machine_is_compatible("ti,am33xx")) {
- ret = cpsw_am33xx_cm_get_macid(&pdev->dev,
- 0x630, i,
- slave_data->mac_addr);
- if (ret)
- return ret;
- }
+ ret = ti_cm_get_macid(&pdev->dev, i,
+ slave_data->mac_addr);
+ if (ret)
+ return ret;
}
if (data->dual_emac) {
if (of_property_read_u32(slave_node, "dual_emac_res_vlan",
@@ -2214,6 +2233,7 @@ static int cpsw_probe(struct platform_device *pdev)
void __iomem *ss_regs;
struct resource *res, *ss_res;
const struct of_device_id *of_id;
+ struct gpio_descs *mode;
u32 slave_offset, sliver_offset, slave_size;
int ret = 0, i;
int irq;
@@ -2239,6 +2259,13 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_ndev_ret;
}
+ mode = devm_gpiod_get_array_optional(&pdev->dev, "mode", GPIOD_OUT_LOW);
+ if (IS_ERR(mode)) {
+ ret = PTR_ERR(mode);
+ dev_err(&pdev->dev, "gpio request failed, ret %d\n", ret);
+ goto clean_ndev_ret;
+ }
+
/*
* This may be required here for child devices.
*/
@@ -2400,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev)
ndev->irq = platform_get_irq(pdev, 1);
if (ndev->irq < 0) {
dev_err(priv->dev, "error getting irq resource\n");
- ret = -ENOENT;
+ ret = ndev->irq;
goto clean_ale_ret;
}
@@ -2421,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* RX IRQ */
irq = platform_get_irq(pdev, 1);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[0] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt,
@@ -2434,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* TX IRQ */
irq = platform_get_irq(pdev, 2);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[1] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt,
@@ -2585,17 +2616,7 @@ static struct platform_driver cpsw_driver = {
.remove = cpsw_remove,
};
-static int __init cpsw_init(void)
-{
- return platform_driver_register(&cpsw_driver);
-}
-late_initcall(cpsw_init);
-
-static void __exit cpsw_exit(void)
-{
- platform_driver_unregister(&cpsw_driver);
-}
-module_exit(cpsw_exit);
+module_platform_driver(cpsw_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Cyril Chemparathy <cyril@ti.com>");
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-02 08:31:31 +0000