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 fdtdec_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];
38 int generic_phy_get_by_index(struct udevice *dev, int index,
41 struct fdtdec_phandle_args args;
44 struct udevice *phydev;
46 debug("%s(dev=%p, index=%d, phy=%p)\n", __func__, dev, index, phy);
49 ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev_of_offset(dev),
50 "phys", "#phy-cells", 0, index,
53 debug("%s: fdtdec_parse_phandle_with_args failed: err=%d\n",
58 ret = uclass_get_device_by_of_offset(UCLASS_PHY, args.node, &phydev);
60 debug("%s: uclass_get_device_by_of_offset failed: err=%d\n",
67 ops = phy_dev_ops(phydev);
70 ret = ops->of_xlate(phy, &args);
72 ret = generic_phy_xlate_offs_flags(phy, &args);
74 debug("of_xlate() failed: %d\n", ret);
84 int generic_phy_get_by_name(struct udevice *dev, const char *phy_name,
89 debug("%s(dev=%p, name=%s, phy=%p)\n", __func__, dev, phy_name, phy);
91 index = fdt_stringlist_search(gd->fdt_blob, dev_of_offset(dev),
92 "phy-names", phy_name);
94 debug("fdt_stringlist_search() failed: %d\n", index);
98 return generic_phy_get_by_index(dev, index, phy);
101 int generic_phy_init(struct phy *phy)
103 struct phy_ops const *ops = phy_dev_ops(phy->dev);
105 return ops->init ? ops->init(phy) : 0;
108 int generic_phy_reset(struct phy *phy)
110 struct phy_ops const *ops = phy_dev_ops(phy->dev);
112 return ops->reset ? ops->reset(phy) : 0;
115 int generic_phy_exit(struct phy *phy)
117 struct phy_ops const *ops = phy_dev_ops(phy->dev);
119 return ops->exit ? ops->exit(phy) : 0;
122 int generic_phy_power_on(struct phy *phy)
124 struct phy_ops const *ops = phy_dev_ops(phy->dev);
126 return ops->power_on ? ops->power_on(phy) : 0;
129 int generic_phy_power_off(struct phy *phy)
131 struct phy_ops const *ops = phy_dev_ops(phy->dev);
133 return ops->power_off ? ops->power_off(phy) : 0;
136 UCLASS_DRIVER(phy) = {