usb: ehci-mx6: Handle fixed regulators correctly

[oweals/u-boot.git] / net / mdio-uclass.c

diff --git a/net/mdio-uclass.c b/net/mdio-uclass.c
index 6f922e80b6fb2ff0d0411b6cb9b01961c4d46aca..66ee2e19763aea2bf03343c16664ba7574fe9d37 100644 (file)
--- a/net/mdio-uclass.c
+++ b/net/mdio-uclass.c
@@ -6,9 +6,23 @@
 
 #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)
 {
@@ -104,16 +118,96 @@ static int dm_mdio_pre_remove(struct udevice *dev)
        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(dev, "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(dev, "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 (!ofnode_valid(ethdev->node)) {
+               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 = ofnode_read_string(ethdev->node, 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) = {