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104 lines
1.9 KiB
104 lines
1.9 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/ |
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* Written by Jean-Jacques Hiblot <[email protected]> |
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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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struct sandbox_phy_priv { |
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bool initialized; |
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bool on; |
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bool broken; |
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}; |
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static int sandbox_phy_power_on(struct phy *phy) |
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{ |
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struct sandbox_phy_priv *priv = dev_get_priv(phy->dev); |
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if (!priv->initialized) |
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return -EIO; |
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if (priv->broken) |
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return -EIO; |
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priv->on = true; |
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return 0; |
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} |
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static int sandbox_phy_power_off(struct phy *phy) |
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{ |
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struct sandbox_phy_priv *priv = dev_get_priv(phy->dev); |
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if (!priv->initialized) |
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return -EIO; |
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if (priv->broken) |
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return -EIO; |
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/* |
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* for validation purpose, let's says that power off |
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* works only for PHY 0 |
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*/ |
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if (phy->id) |
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return -EIO; |
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priv->on = false; |
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return 0; |
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} |
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static int sandbox_phy_init(struct phy *phy) |
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{ |
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struct sandbox_phy_priv *priv = dev_get_priv(phy->dev); |
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priv->initialized = true; |
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priv->on = true; |
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return 0; |
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} |
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static int sandbox_phy_exit(struct phy *phy) |
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{ |
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struct sandbox_phy_priv *priv = dev_get_priv(phy->dev); |
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priv->initialized = false; |
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priv->on = false; |
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return 0; |
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} |
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static int sandbox_phy_probe(struct udevice *dev) |
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{ |
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struct sandbox_phy_priv *priv = dev_get_priv(dev); |
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priv->initialized = false; |
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priv->on = false; |
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priv->broken = dev_read_bool(dev, "broken"); |
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return 0; |
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} |
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static struct phy_ops sandbox_phy_ops = { |
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.power_on = sandbox_phy_power_on, |
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.power_off = sandbox_phy_power_off, |
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.init = sandbox_phy_init, |
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.exit = sandbox_phy_exit, |
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}; |
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static const struct udevice_id sandbox_phy_ids[] = { |
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{ .compatible = "sandbox,phy" }, |
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{ } |
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}; |
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U_BOOT_DRIVER(phy_sandbox) = { |
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.name = "phy_sandbox", |
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.id = UCLASS_PHY, |
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.of_match = sandbox_phy_ids, |
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.ops = &sandbox_phy_ops, |
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.probe = sandbox_phy_probe, |
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.priv_auto_alloc_size = sizeof(struct sandbox_phy_priv), |
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};
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