/*
|
* Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
|
* Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
|
*
|
* SPDX-License-Identifier: GPL-2.0+
|
*/
|
|
#include <common.h>
|
#include <dm.h>
|
#include <generic-phy.h>
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
static inline struct phy_ops *phy_dev_ops(struct udevice *dev)
|
{
|
return (struct phy_ops *)dev->driver->ops;
|
}
|
|
static int generic_phy_xlate_offs_flags(struct phy *phy,
|
struct ofnode_phandle_args *args)
|
{
|
debug("%s(phy=%p)\n", __func__, phy);
|
|
if (args->args_count > 1) {
|
debug("Invaild args_count: %d\n", args->args_count);
|
return -EINVAL;
|
}
|
|
if (args->args_count)
|
phy->id = args->args[0];
|
else
|
phy->id = 0;
|
|
return 0;
|
}
|
|
int generic_phy_get_by_index(struct udevice *dev, int index,
|
struct phy *phy)
|
{
|
struct ofnode_phandle_args args;
|
struct phy_ops *ops;
|
int ret;
|
struct udevice *phydev;
|
|
debug("%s(dev=%p, index=%d, phy=%p)\n", __func__, dev, index, phy);
|
|
assert(phy);
|
phy->dev = NULL;
|
ret = dev_read_phandle_with_args(dev, "phys", "#phy-cells", 0, index,
|
&args);
|
if (ret) {
|
debug("%s: dev_read_phandle_with_args failed: err=%d\n",
|
__func__, ret);
|
return ret;
|
}
|
|
ret = uclass_get_device_by_ofnode(UCLASS_PHY, args.node, &phydev);
|
if (ret) {
|
debug("%s: uclass_get_device_by_ofnode failed: err=%d\n",
|
__func__, ret);
|
return ret;
|
}
|
|
phy->dev = phydev;
|
|
ops = phy_dev_ops(phydev);
|
|
if (ops->of_xlate)
|
ret = ops->of_xlate(phy, &args);
|
else
|
ret = generic_phy_xlate_offs_flags(phy, &args);
|
if (ret) {
|
debug("of_xlate() failed: %d\n", ret);
|
goto err;
|
}
|
|
return 0;
|
|
err:
|
return ret;
|
}
|
|
int generic_phy_get_by_name(struct udevice *dev, const char *phy_name,
|
struct phy *phy)
|
{
|
int index;
|
|
debug("%s(dev=%p, name=%s, phy=%p)\n", __func__, dev, phy_name, phy);
|
|
index = dev_read_stringlist_search(dev, "phy-names", phy_name);
|
if (index < 0) {
|
debug("dev_read_stringlist_search() failed: %d\n", index);
|
return index;
|
}
|
|
return generic_phy_get_by_index(dev, index, phy);
|
}
|
|
int generic_phy_init(struct phy *phy)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->init ? ops->init(phy) : 0;
|
}
|
|
int generic_phy_reset(struct phy *phy)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->reset ? ops->reset(phy) : 0;
|
}
|
|
int generic_phy_exit(struct phy *phy)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->exit ? ops->exit(phy) : 0;
|
}
|
|
int generic_phy_power_on(struct phy *phy)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->power_on ? ops->power_on(phy) : 0;
|
}
|
|
int generic_phy_power_off(struct phy *phy)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->power_off ? ops->power_off(phy) : 0;
|
}
|
|
int generic_phy_configure(struct phy *phy, union phy_configure_opts *opts)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->configure ? ops->configure(phy, opts) : 0;
|
}
|
|
int generic_phy_validate(struct phy *phy, enum phy_mode mode, int submode,
|
union phy_configure_opts *opts)
|
{
|
struct phy_ops const *ops;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
return ops->validate ? ops->validate(phy, mode, submode, opts) : 0;
|
}
|
|
int generic_phy_set_mode_ext(struct phy *phy, enum phy_mode mode, int submode)
|
{
|
struct phy_ops const *ops;
|
int ret;
|
|
if (!generic_phy_valid(phy))
|
return 0;
|
ops = phy_dev_ops(phy->dev);
|
|
if (!ops->set_mode)
|
return 0;
|
|
ret = ops->set_mode(phy, mode, submode);
|
if (!ret)
|
phy->attrs.mode = mode;
|
|
return ret;
|
}
|
|
UCLASS_DRIVER(phy) = {
|
.id = UCLASS_PHY,
|
.name = "phy",
|
};
|
