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 DECLARE_GLOBAL_DATA_PTR;
14 static inline struct phy_ops *phy_dev_ops(struct udevice *dev)
16 return (struct phy_ops *)dev->driver->ops;
19 static int generic_phy_xlate_offs_flags(struct phy *phy,
20 struct ofnode_phandle_args *args)
22 debug("%s(phy=%p)\n", __func__, phy);
24 if (args->args_count > 1) {
25 debug("Invaild args_count: %d\n", args->args_count);
30 phy->id = args->args[0];
37 int generic_phy_get_by_index(struct udevice *dev, int index,
40 struct ofnode_phandle_args args;
43 struct udevice *phydev;
45 debug("%s(dev=%p, index=%d, phy=%p)\n", __func__, dev, index, phy);
49 ret = dev_read_phandle_with_args(dev, "phys", "#phy-cells", 0, index,
52 debug("%s: dev_read_phandle_with_args failed: err=%d\n",
57 ret = uclass_get_device_by_ofnode(UCLASS_PHY, args.node, &phydev);
59 debug("%s: uclass_get_device_by_ofnode failed: err=%d\n",
66 ops = phy_dev_ops(phydev);
69 ret = ops->of_xlate(phy, &args);
71 ret = generic_phy_xlate_offs_flags(phy, &args);
73 debug("of_xlate() failed: %d\n", ret);
83 int generic_phy_get_by_name(struct udevice *dev, const char *phy_name,
88 debug("%s(dev=%p, name=%s, phy=%p)\n", __func__, dev, phy_name, phy);
90 index = dev_read_stringlist_search(dev, "phy-names", phy_name);
92 debug("dev_read_stringlist_search() failed: %d\n", index);
96 return generic_phy_get_by_index(dev, index, phy);
99 int generic_phy_init(struct phy *phy)
101 struct phy_ops const *ops = phy_dev_ops(phy->dev);
103 return ops->init ? ops->init(phy) : 0;
106 int generic_phy_reset(struct phy *phy)
108 struct phy_ops const *ops = phy_dev_ops(phy->dev);
110 return ops->reset ? ops->reset(phy) : 0;
113 int generic_phy_exit(struct phy *phy)
115 struct phy_ops const *ops = phy_dev_ops(phy->dev);
117 return ops->exit ? ops->exit(phy) : 0;
120 int generic_phy_power_on(struct phy *phy)
122 struct phy_ops const *ops = phy_dev_ops(phy->dev);
124 return ops->power_on ? ops->power_on(phy) : 0;
127 int generic_phy_power_off(struct phy *phy)
129 struct phy_ops const *ops = phy_dev_ops(phy->dev);
131 return ops->power_off ? ops->power_off(phy) : 0;
134 UCLASS_DRIVER(phy) = {