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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Texas Instruments Incorporated - https://www.ti.com/ * Written by Jean-Jacques Hiblot <jjhiblot@ti.com> */ #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_set_mode(struct phy *phy, enum phy_mode mode, int submode) { if (submode) return -EOPNOTSUPP; if (mode != PHY_MODE_USB_HOST) return -EINVAL; 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, .set_mode = sandbox_phy_set_mode, }; 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), }; |