#include <common.h>
#include <dm.h>
+#include <log.h>
+#include <malloc.h>
#include <miiphy.h>
#include <dm/device-internal.h>
+#include <dm/device_compat.h>
#include <dm/uclass-internal.h>
+#include <linux/compat.h>
+
+/* DT node properties for MAC-PHY interface */
+#define PHY_MODE_STR_CNT 2
+static const char *phy_mode_str[PHY_MODE_STR_CNT] = { "phy-mode",
+ "phy-connection-type" };
+/* DT node properties that reference a PHY node */
+#define PHY_HANDLE_STR_CNT 3
+const char *phy_handle_str[PHY_HANDLE_STR_CNT] = { "phy-handle",
+ "phy",
+ "phy-device" };
void dm_mdio_probe_devices(void)
{
static int dm_mdio_post_bind(struct udevice *dev)
{
+ const char *dt_name;
+
+ /* set a custom name for the MDIO device, if present in DT */
+ if (dev_has_ofnode(dev)) {
+ dt_name = dev_read_string(dev, "device-name");
+ if (dt_name) {
+ debug("renaming dev %s to %s\n", dev->name, dt_name);
+ device_set_name(dev, dt_name);
+ }
+ }
+
/*
* MDIO command doesn't like spaces in names, don't allow them to keep
* it happy
return 0;
}
-struct phy_device *dm_mdio_phy_connect(struct udevice *dev, int addr,
+struct phy_device *dm_mdio_phy_connect(struct udevice *mdiodev, int phyaddr,
struct udevice *ethdev,
phy_interface_t interface)
{
- struct mdio_perdev_priv *pdata = dev_get_uclass_priv(dev);
+ struct mdio_perdev_priv *pdata = dev_get_uclass_priv(mdiodev);
- if (device_probe(dev))
- return 0;
+ if (device_probe(mdiodev))
+ return NULL;
+
+ return phy_connect(pdata->mii_bus, phyaddr, ethdev, interface);
+}
+
+static struct phy_device *dm_eth_connect_phy_handle(struct udevice *ethdev,
+ phy_interface_t interface)
+{
+ u32 phy_addr;
+ struct udevice *mdiodev;
+ struct phy_device *phy;
+ struct ofnode_phandle_args phandle = {.node = ofnode_null()};
+ int i;
+
+ for (i = 0; i < PHY_HANDLE_STR_CNT; i++)
+ if (!dev_read_phandle_with_args(ethdev, phy_handle_str[i], NULL,
+ 0, 0, &phandle))
+ break;
+
+ if (!ofnode_valid(phandle.node)) {
+ dev_dbg(ethdev, "can't find PHY node\n");
+ return NULL;
+ }
+
+ /*
+ * reading 'reg' directly should be fine. This is a PHY node, the
+ * address is always size 1 and requires no translation
+ */
+ if (ofnode_read_u32(phandle.node, "reg", &phy_addr)) {
+ dev_dbg(ethdev, "missing reg property in phy node\n");
+ return NULL;
+ }
+
+ if (uclass_get_device_by_ofnode(UCLASS_MDIO,
+ ofnode_get_parent(phandle.node),
+ &mdiodev)) {
+ dev_dbg(ethdev, "can't find MDIO bus for node %s\n",
+ ofnode_get_name(ofnode_get_parent(phandle.node)));
+ return NULL;
+ }
+
+ phy = dm_mdio_phy_connect(mdiodev, phy_addr, ethdev, interface);
+
+ if (phy)
+ phy->node = phandle.node;
+
+ return phy;
+}
+
+/* Connect to a PHY linked in eth DT node */
+struct phy_device *dm_eth_phy_connect(struct udevice *ethdev)
+{
+ const char *if_str;
+ phy_interface_t interface;
+ struct phy_device *phy;
+ int i;
+
+ if (!dev_has_ofnode(ethdev)) {
+ debug("%s: supplied eth dev has no DT node!\n", ethdev->name);
+ return NULL;
+ }
+
+ interface = PHY_INTERFACE_MODE_NONE;
+ for (i = 0; i < PHY_MODE_STR_CNT; i++) {
+ if_str = dev_read_string(ethdev, phy_mode_str[i]);
+ if (if_str) {
+ interface = phy_get_interface_by_name(if_str);
+ break;
+ }
+ }
+ if (interface < 0)
+ interface = PHY_INTERFACE_MODE_NONE;
+ if (interface == PHY_INTERFACE_MODE_NONE)
+ dev_dbg(ethdev, "can't find interface mode, default to NONE\n");
+
+ phy = dm_eth_connect_phy_handle(ethdev, interface);
+
+ if (!phy)
+ return NULL;
+
+ phy->interface = interface;
- return phy_connect(pdata->mii_bus, addr, ethdev, interface);
+ return phy;
}
UCLASS_DRIVER(mdio) = {
.post_bind = dm_mdio_post_bind,
.post_probe = dm_mdio_post_probe,
.pre_remove = dm_mdio_pre_remove,
- .per_device_auto_alloc_size = sizeof(struct mdio_perdev_priv),
+ .per_device_auto = sizeof(struct mdio_perdev_priv),
};