2 * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
3 * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <generic-phy.h>
12 static inline struct phy_ops *phy_dev_ops(struct udevice *dev)
14 return (struct phy_ops *)dev->driver->ops;
17 static int generic_phy_xlate_offs_flags(struct phy *phy,
18 struct ofnode_phandle_args *args)
20 debug("%s(phy=%p)\n", __func__, phy);
22 if (args->args_count > 1) {
23 debug("Invaild args_count: %d\n", args->args_count);
28 phy->id = args->args[0];
35 int generic_phy_get_by_index(struct udevice *dev, int index,
38 struct ofnode_phandle_args args;
41 struct udevice *phydev;
43 debug("%s(dev=%p, index=%d, phy=%p)\n", __func__, dev, index, phy);
47 ret = dev_read_phandle_with_args(dev, "phys", "#phy-cells", 0, index,
50 debug("%s: dev_read_phandle_with_args failed: err=%d\n",
55 ret = uclass_get_device_by_ofnode(UCLASS_PHY, args.node, &phydev);
57 debug("%s: uclass_get_device_by_ofnode failed: err=%d\n",
64 ops = phy_dev_ops(phydev);
67 ret = ops->of_xlate(phy, &args);
69 ret = generic_phy_xlate_offs_flags(phy, &args);
71 debug("of_xlate() failed: %d\n", ret);
81 int generic_phy_get_by_name(struct udevice *dev, const char *phy_name,
86 debug("%s(dev=%p, name=%s, phy=%p)\n", __func__, dev, phy_name, phy);
88 index = dev_read_stringlist_search(dev, "phy-names", phy_name);
90 debug("dev_read_stringlist_search() failed: %d\n", index);
94 return generic_phy_get_by_index(dev, index, phy);
97 int generic_phy_init(struct phy *phy)
99 struct phy_ops const *ops = phy_dev_ops(phy->dev);
101 return ops->init ? ops->init(phy) : 0;
104 int generic_phy_reset(struct phy *phy)
106 struct phy_ops const *ops = phy_dev_ops(phy->dev);
108 return ops->reset ? ops->reset(phy) : 0;
111 int generic_phy_exit(struct phy *phy)
113 struct phy_ops const *ops = phy_dev_ops(phy->dev);
115 return ops->exit ? ops->exit(phy) : 0;
118 int generic_phy_power_on(struct phy *phy)
120 struct phy_ops const *ops = phy_dev_ops(phy->dev);
122 return ops->power_on ? ops->power_on(phy) : 0;
125 int generic_phy_power_off(struct phy *phy)
127 struct phy_ops const *ops = phy_dev_ops(phy->dev);
129 return ops->power_off ? ops->power_off(phy) : 0;
132 UCLASS_DRIVER(phy) = {