d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
136 lines
2.7 KiB
C
136 lines
2.7 KiB
C
/*
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* Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
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* Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <generic-phy.h>
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static inline struct phy_ops *phy_dev_ops(struct udevice *dev)
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{
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return (struct phy_ops *)dev->driver->ops;
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}
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static int generic_phy_xlate_offs_flags(struct phy *phy,
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struct ofnode_phandle_args *args)
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{
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debug("%s(phy=%p)\n", __func__, phy);
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if (args->args_count > 1) {
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debug("Invaild args_count: %d\n", args->args_count);
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return -EINVAL;
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}
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if (args->args_count)
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phy->id = args->args[0];
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else
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phy->id = 0;
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return 0;
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}
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int generic_phy_get_by_index(struct udevice *dev, int index,
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struct phy *phy)
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{
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struct ofnode_phandle_args args;
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struct phy_ops *ops;
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int ret;
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struct udevice *phydev;
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debug("%s(dev=%p, index=%d, phy=%p)\n", __func__, dev, index, phy);
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assert(phy);
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phy->dev = NULL;
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ret = dev_read_phandle_with_args(dev, "phys", "#phy-cells", 0, index,
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&args);
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if (ret) {
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debug("%s: dev_read_phandle_with_args failed: err=%d\n",
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__func__, ret);
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return ret;
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}
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ret = uclass_get_device_by_ofnode(UCLASS_PHY, args.node, &phydev);
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if (ret) {
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debug("%s: uclass_get_device_by_ofnode failed: err=%d\n",
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__func__, ret);
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return ret;
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}
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phy->dev = phydev;
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ops = phy_dev_ops(phydev);
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if (ops->of_xlate)
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ret = ops->of_xlate(phy, &args);
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else
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ret = generic_phy_xlate_offs_flags(phy, &args);
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if (ret) {
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debug("of_xlate() failed: %d\n", ret);
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goto err;
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}
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return 0;
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err:
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return ret;
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}
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int generic_phy_get_by_name(struct udevice *dev, const char *phy_name,
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struct phy *phy)
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{
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int index;
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debug("%s(dev=%p, name=%s, phy=%p)\n", __func__, dev, phy_name, phy);
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index = dev_read_stringlist_search(dev, "phy-names", phy_name);
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if (index < 0) {
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debug("dev_read_stringlist_search() failed: %d\n", index);
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return index;
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}
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return generic_phy_get_by_index(dev, index, phy);
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}
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int generic_phy_init(struct phy *phy)
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{
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struct phy_ops const *ops = phy_dev_ops(phy->dev);
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return ops->init ? ops->init(phy) : 0;
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}
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int generic_phy_reset(struct phy *phy)
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{
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struct phy_ops const *ops = phy_dev_ops(phy->dev);
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return ops->reset ? ops->reset(phy) : 0;
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}
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int generic_phy_exit(struct phy *phy)
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{
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struct phy_ops const *ops = phy_dev_ops(phy->dev);
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return ops->exit ? ops->exit(phy) : 0;
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}
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int generic_phy_power_on(struct phy *phy)
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{
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struct phy_ops const *ops = phy_dev_ops(phy->dev);
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return ops->power_on ? ops->power_on(phy) : 0;
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}
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int generic_phy_power_off(struct phy *phy)
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{
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struct phy_ops const *ops = phy_dev_ops(phy->dev);
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return ops->power_off ? ops->power_off(phy) : 0;
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}
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UCLASS_DRIVER(phy) = {
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.id = UCLASS_PHY,
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.name = "phy",
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};
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