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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
- * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <generic-phy.h>
- #define DRIVER_DATA 0x12345678
- struct sandbox_phy_priv {
- bool initialized;
- bool on;
- bool broken;
- };
- static int sandbox_phy_power_on(struct phy *phy)
- {
- struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
- if (!priv->initialized)
- return -EIO;
- if (priv->broken)
- return -EIO;
- priv->on = true;
- return 0;
- }
- static int sandbox_phy_power_off(struct phy *phy)
- {
- struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
- if (!priv->initialized)
- return -EIO;
- if (priv->broken)
- return -EIO;
- /*
- * for validation purpose, let's says that power off
- * works only for PHY 0
- */
- if (phy->id)
- return -EIO;
- priv->on = false;
- return 0;
- }
- static int sandbox_phy_init(struct phy *phy)
- {
- struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
- priv->initialized = true;
- priv->on = true;
- return 0;
- }
- static int sandbox_phy_exit(struct phy *phy)
- {
- struct sandbox_phy_priv *priv = dev_get_priv(phy->dev);
- priv->initialized = false;
- priv->on = false;
- return 0;
- }
- static int sandbox_phy_bind(struct udevice *dev)
- {
- if (dev_get_driver_data(dev) != DRIVER_DATA)
- return -ENODATA;
- return 0;
- }
- static int sandbox_phy_probe(struct udevice *dev)
- {
- struct sandbox_phy_priv *priv = dev_get_priv(dev);
- priv->initialized = false;
- priv->on = false;
- priv->broken = dev_read_bool(dev, "broken");
- return 0;
- }
- static struct phy_ops sandbox_phy_ops = {
- .power_on = sandbox_phy_power_on,
- .power_off = sandbox_phy_power_off,
- .init = sandbox_phy_init,
- .exit = sandbox_phy_exit,
- };
- static const struct udevice_id sandbox_phy_ids[] = {
- { .compatible = "sandbox,phy_no_driver_data",
- },
- { .compatible = "sandbox,phy",
- .data = DRIVER_DATA
- },
- { }
- };
- U_BOOT_DRIVER(phy_sandbox) = {
- .name = "phy_sandbox",
- .id = UCLASS_PHY,
- .bind = sandbox_phy_bind,
- .of_match = sandbox_phy_ids,
- .ops = &sandbox_phy_ops,
- .probe = sandbox_phy_probe,
- .priv_auto = sizeof(struct sandbox_phy_priv),
- };
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