Lines Matching +full:usb3 +full:- +full:phy
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2016-2022, NVIDIA CORPORATION. All rights reserved.
10 #include <linux/phy/phy.h>
21 #define HS_CURR_LEVEL_PADX_SHIFT(x) ((x) ? (11 + (x - 1) * 6) : 0)
282 writel(value, priv->ao_regs + offset); in ao_writel()
287 return readl(priv->ao_regs + offset); in ao_readl()
296 /* USB 2.0 UTMI PHY support */
306 return ERR_PTR(-ENOMEM); in tegra186_usb2_lane_probe()
308 INIT_LIST_HEAD(&usb2->base.list); in tegra186_usb2_lane_probe()
309 usb2->base.soc = &pad->soc->lanes[index]; in tegra186_usb2_lane_probe()
310 usb2->base.index = index; in tegra186_usb2_lane_probe()
311 usb2->base.pad = pad; in tegra186_usb2_lane_probe()
312 usb2->base.np = np; in tegra186_usb2_lane_probe()
314 err = tegra_xusb_lane_parse_dt(&usb2->base, np); in tegra186_usb2_lane_probe()
320 return &usb2->base; in tegra186_usb2_lane_probe()
333 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_enable_phy_sleepwalk()
335 unsigned int index = lane->index; in tegra186_utmi_enable_phy_sleepwalk()
338 mutex_lock(&padctl->lock); in tegra186_utmi_enable_phy_sleepwalk()
415 /* setup the pull-ups and pull-downs of the signals during the four in tegra186_utmi_enable_phy_sleepwalk()
426 /* J state: D+/D- = high/low, K state: D+/D- = low/high */ in tegra186_utmi_enable_phy_sleepwalk()
430 if (padctl->soc->supports_lp_cfg_en) in tegra186_utmi_enable_phy_sleepwalk()
435 /* J state: D+/D- = low/high, K state: D+/D- = high/low */ in tegra186_utmi_enable_phy_sleepwalk()
439 if (padctl->soc->supports_lp_cfg_en) in tegra186_utmi_enable_phy_sleepwalk()
474 mutex_unlock(&padctl->lock); in tegra186_utmi_enable_phy_sleepwalk()
481 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_disable_phy_sleepwalk()
483 unsigned int index = lane->index; in tegra186_utmi_disable_phy_sleepwalk()
486 mutex_lock(&padctl->lock); in tegra186_utmi_disable_phy_sleepwalk()
505 if (padctl->soc->supports_lp_cfg_en) { in tegra186_utmi_disable_phy_sleepwalk()
522 mutex_unlock(&padctl->lock); in tegra186_utmi_disable_phy_sleepwalk()
529 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_enable_phy_wake()
530 unsigned int index = lane->index; in tegra186_utmi_enable_phy_wake()
533 mutex_lock(&padctl->lock); in tegra186_utmi_enable_phy_wake()
547 mutex_unlock(&padctl->lock); in tegra186_utmi_enable_phy_wake()
554 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_disable_phy_wake()
555 unsigned int index = lane->index; in tegra186_utmi_disable_phy_wake()
558 mutex_lock(&padctl->lock); in tegra186_utmi_disable_phy_wake()
572 mutex_unlock(&padctl->lock); in tegra186_utmi_disable_phy_wake()
579 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_phy_remote_wake_detected()
580 unsigned int index = lane->index; in tegra186_utmi_phy_remote_wake_detected()
604 struct device *dev = padctl->dev; in tegra186_utmi_bias_pad_power_on()
608 if (!bitmap_empty(priv->utmi_pad_enabled, TEGRA_UTMI_PAD_MAX)) in tegra186_utmi_bias_pad_power_on()
611 err = clk_prepare_enable(priv->usb2_trk_clk); in tegra186_utmi_bias_pad_power_on()
625 value |= HS_SQUELCH_LEVEL(priv->calib.hs_squelch); in tegra186_utmi_bias_pad_power_on()
634 if (padctl->soc->poll_trk_completed) { in tegra186_utmi_bias_pad_power_on()
651 if (padctl->soc->trk_hw_mode) { in tegra186_utmi_bias_pad_power_on()
657 clk_disable_unprepare(priv->usb2_trk_clk); in tegra186_utmi_bias_pad_power_on()
666 if (!bitmap_empty(priv->utmi_pad_enabled, TEGRA_UTMI_PAD_MAX)) in tegra186_utmi_bias_pad_power_off()
673 if (padctl->soc->trk_hw_mode) { in tegra186_utmi_bias_pad_power_off()
677 clk_disable_unprepare(priv->usb2_trk_clk); in tegra186_utmi_bias_pad_power_off()
682 static void tegra186_utmi_pad_power_on(struct phy *phy) in tegra186_utmi_pad_power_on() argument
684 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_pad_power_on()
685 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_pad_power_on()
688 struct device *dev = padctl->dev; in tegra186_utmi_pad_power_on()
689 unsigned int index = lane->index; in tegra186_utmi_pad_power_on()
692 if (!phy) in tegra186_utmi_pad_power_on()
695 mutex_lock(&padctl->lock); in tegra186_utmi_pad_power_on()
696 if (test_bit(index, priv->utmi_pad_enabled)) { in tegra186_utmi_pad_power_on()
697 mutex_unlock(&padctl->lock); in tegra186_utmi_pad_power_on()
704 mutex_unlock(&padctl->lock); in tegra186_utmi_pad_power_on()
722 set_bit(index, priv->utmi_pad_enabled); in tegra186_utmi_pad_power_on()
723 mutex_unlock(&padctl->lock); in tegra186_utmi_pad_power_on()
726 static void tegra186_utmi_pad_power_down(struct phy *phy) in tegra186_utmi_pad_power_down() argument
728 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_pad_power_down()
729 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_pad_power_down()
731 unsigned int index = lane->index; in tegra186_utmi_pad_power_down()
734 if (!phy) in tegra186_utmi_pad_power_down()
737 mutex_lock(&padctl->lock); in tegra186_utmi_pad_power_down()
738 if (!test_bit(index, priv->utmi_pad_enabled)) { in tegra186_utmi_pad_power_down()
739 mutex_unlock(&padctl->lock); in tegra186_utmi_pad_power_down()
743 dev_dbg(padctl->dev, "power down UTMI pad %u\n", index); in tegra186_utmi_pad_power_down()
755 clear_bit(index, priv->utmi_pad_enabled); in tegra186_utmi_pad_power_down()
759 mutex_unlock(&padctl->lock); in tegra186_utmi_pad_power_down()
767 dev_dbg(padctl->dev, "%s vbus override\n", status ? "set" : "clear"); in tegra186_xusb_padctl_vbus_override()
789 dev_dbg(padctl->dev, "%s id override\n", status ? "set" : "clear"); in tegra186_xusb_padctl_id_override()
814 static int tegra186_utmi_phy_set_mode(struct phy *phy, enum phy_mode mode, in tegra186_utmi_phy_set_mode() argument
817 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_phy_set_mode()
818 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_phy_set_mode()
820 lane->index); in tegra186_utmi_phy_set_mode()
823 mutex_lock(&padctl->lock); in tegra186_utmi_phy_set_mode()
825 dev_dbg(&port->base.dev, "%s: mode %d", __func__, mode); in tegra186_utmi_phy_set_mode()
831 err = regulator_enable(port->supply); in tegra186_utmi_phy_set_mode()
840 if (regulator_is_enabled(port->supply)) in tegra186_utmi_phy_set_mode()
841 regulator_disable(port->supply); in tegra186_utmi_phy_set_mode()
848 mutex_unlock(&padctl->lock); in tegra186_utmi_phy_set_mode()
853 static int tegra186_utmi_phy_power_on(struct phy *phy) in tegra186_utmi_phy_power_on() argument
855 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_phy_power_on()
857 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_phy_power_on()
860 unsigned int index = lane->index; in tegra186_utmi_phy_power_on()
861 struct device *dev = padctl->dev; in tegra186_utmi_phy_power_on()
867 return -ENODEV; in tegra186_utmi_phy_power_on()
878 if (port->mode == USB_DR_MODE_UNKNOWN) in tegra186_utmi_phy_power_on()
880 else if (port->mode == USB_DR_MODE_PERIPHERAL) in tegra186_utmi_phy_power_on()
882 else if (port->mode == USB_DR_MODE_HOST) in tegra186_utmi_phy_power_on()
884 else if (port->mode == USB_DR_MODE_OTG) in tegra186_utmi_phy_power_on()
894 if (usb2->hs_curr_level_offset) { in tegra186_utmi_phy_power_on()
897 hs_current_level = (int)priv->calib.hs_curr_level[index] + in tegra186_utmi_phy_power_on()
898 usb2->hs_curr_level_offset; in tegra186_utmi_phy_power_on()
907 value |= HS_CURR_LEVEL(priv->calib.hs_curr_level[index]); in tegra186_utmi_phy_power_on()
914 value |= TERM_RANGE_ADJ(priv->calib.hs_term_range_adj); in tegra186_utmi_phy_power_on()
916 value |= RPD_CTRL(priv->calib.rpd_ctrl); in tegra186_utmi_phy_power_on()
919 tegra186_utmi_pad_power_on(phy); in tegra186_utmi_phy_power_on()
924 static int tegra186_utmi_phy_power_off(struct phy *phy) in tegra186_utmi_phy_power_off() argument
926 tegra186_utmi_pad_power_down(phy); in tegra186_utmi_phy_power_off()
931 static int tegra186_utmi_phy_init(struct phy *phy) in tegra186_utmi_phy_init() argument
933 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_phy_init()
934 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_phy_init()
936 unsigned int index = lane->index; in tegra186_utmi_phy_init()
937 struct device *dev = padctl->dev; in tegra186_utmi_phy_init()
944 return -ENODEV; in tegra186_utmi_phy_init()
947 if (port->mode == USB_DR_MODE_OTG || in tegra186_utmi_phy_init()
948 port->mode == USB_DR_MODE_PERIPHERAL) { in tegra186_utmi_phy_init()
957 if (port->supply && port->mode == USB_DR_MODE_HOST) { in tegra186_utmi_phy_init()
958 err = regulator_enable(port->supply); in tegra186_utmi_phy_init()
969 static int tegra186_utmi_phy_exit(struct phy *phy) in tegra186_utmi_phy_exit() argument
971 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_utmi_phy_exit()
972 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_utmi_phy_exit()
974 unsigned int index = lane->index; in tegra186_utmi_phy_exit()
975 struct device *dev = padctl->dev; in tegra186_utmi_phy_exit()
981 return -ENODEV; in tegra186_utmi_phy_exit()
984 if (port->supply && port->mode == USB_DR_MODE_HOST) { in tegra186_utmi_phy_exit()
985 err = regulator_disable(port->supply); in tegra186_utmi_phy_exit()
1017 return ERR_PTR(-ENOMEM); in tegra186_usb2_pad_probe()
1019 pad = &usb2->base; in tegra186_usb2_pad_probe()
1020 pad->ops = &tegra186_usb2_lane_ops; in tegra186_usb2_pad_probe()
1021 pad->soc = soc; in tegra186_usb2_pad_probe()
1029 priv->usb2_trk_clk = devm_clk_get(&pad->dev, "trk"); in tegra186_usb2_pad_probe()
1030 if (IS_ERR(priv->usb2_trk_clk)) { in tegra186_usb2_pad_probe()
1031 err = PTR_ERR(priv->usb2_trk_clk); in tegra186_usb2_pad_probe()
1032 dev_dbg(&pad->dev, "failed to get usb2 trk clock: %d\n", err); in tegra186_usb2_pad_probe()
1040 dev_set_drvdata(&pad->dev, pad); in tegra186_usb2_pad_probe()
1045 device_unregister(&pad->dev); in tegra186_usb2_pad_probe()
1078 return tegra_xusb_find_lane(port->padctl, "usb2", port->index); in tegra186_usb2_port_map()
1089 /* SuperSpeed PHY support */
1094 struct tegra_xusb_usb3_lane *usb3; in tegra186_usb3_lane_probe() local
1097 usb3 = kzalloc(sizeof(*usb3), GFP_KERNEL); in tegra186_usb3_lane_probe()
1098 if (!usb3) in tegra186_usb3_lane_probe()
1099 return ERR_PTR(-ENOMEM); in tegra186_usb3_lane_probe()
1101 INIT_LIST_HEAD(&usb3->base.list); in tegra186_usb3_lane_probe()
1102 usb3->base.soc = &pad->soc->lanes[index]; in tegra186_usb3_lane_probe()
1103 usb3->base.index = index; in tegra186_usb3_lane_probe()
1104 usb3->base.pad = pad; in tegra186_usb3_lane_probe()
1105 usb3->base.np = np; in tegra186_usb3_lane_probe()
1107 err = tegra_xusb_lane_parse_dt(&usb3->base, np); in tegra186_usb3_lane_probe()
1109 kfree(usb3); in tegra186_usb3_lane_probe()
1113 return &usb3->base; in tegra186_usb3_lane_probe()
1118 struct tegra_xusb_usb3_lane *usb3 = to_usb3_lane(lane); in tegra186_usb3_lane_remove() local
1120 kfree(usb3); in tegra186_usb3_lane_remove()
1126 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_enable_phy_sleepwalk()
1127 unsigned int index = lane->index; in tegra186_usb3_enable_phy_sleepwalk()
1130 mutex_lock(&padctl->lock); in tegra186_usb3_enable_phy_sleepwalk()
1144 mutex_unlock(&padctl->lock); in tegra186_usb3_enable_phy_sleepwalk()
1151 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_disable_phy_sleepwalk()
1152 unsigned int index = lane->index; in tegra186_usb3_disable_phy_sleepwalk()
1155 mutex_lock(&padctl->lock); in tegra186_usb3_disable_phy_sleepwalk()
1167 mutex_unlock(&padctl->lock); in tegra186_usb3_disable_phy_sleepwalk()
1174 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_enable_phy_wake()
1175 unsigned int index = lane->index; in tegra186_usb3_enable_phy_wake()
1178 mutex_lock(&padctl->lock); in tegra186_usb3_enable_phy_wake()
1192 mutex_unlock(&padctl->lock); in tegra186_usb3_enable_phy_wake()
1199 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_disable_phy_wake()
1200 unsigned int index = lane->index; in tegra186_usb3_disable_phy_wake()
1203 mutex_lock(&padctl->lock); in tegra186_usb3_disable_phy_wake()
1217 mutex_unlock(&padctl->lock); in tegra186_usb3_disable_phy_wake()
1224 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_phy_remote_wake_detected()
1225 unsigned int index = lane->index; in tegra186_usb3_phy_remote_wake_detected()
1257 return tegra_xusb_find_lane(port->padctl, "usb3", port->index); in tegra186_usb3_port_map()
1267 static int tegra186_usb3_phy_power_on(struct phy *phy) in tegra186_usb3_phy_power_on() argument
1269 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_usb3_phy_power_on()
1270 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_phy_power_on()
1273 unsigned int index = lane->index; in tegra186_usb3_phy_power_on()
1274 struct device *dev = padctl->dev; in tegra186_usb3_phy_power_on()
1279 dev_err(dev, "no port found for USB3 lane %u\n", index); in tegra186_usb3_phy_power_on()
1280 return -ENODEV; in tegra186_usb3_phy_power_on()
1283 usb2 = tegra_xusb_find_usb2_port(padctl, port->port); in tegra186_usb3_phy_power_on()
1285 dev_err(dev, "no companion port found for USB3 lane %u\n", in tegra186_usb3_phy_power_on()
1287 return -ENODEV; in tegra186_usb3_phy_power_on()
1290 mutex_lock(&padctl->lock); in tegra186_usb3_phy_power_on()
1295 if (usb2->mode == USB_DR_MODE_UNKNOWN) in tegra186_usb3_phy_power_on()
1297 else if (usb2->mode == USB_DR_MODE_PERIPHERAL) in tegra186_usb3_phy_power_on()
1299 else if (usb2->mode == USB_DR_MODE_HOST) in tegra186_usb3_phy_power_on()
1301 else if (usb2->mode == USB_DR_MODE_OTG) in tegra186_usb3_phy_power_on()
1306 if (padctl->soc->supports_gen2 && port->disable_gen2) { in tegra186_usb3_phy_power_on()
1331 mutex_unlock(&padctl->lock); in tegra186_usb3_phy_power_on()
1336 static int tegra186_usb3_phy_power_off(struct phy *phy) in tegra186_usb3_phy_power_off() argument
1338 struct tegra_xusb_lane *lane = phy_get_drvdata(phy); in tegra186_usb3_phy_power_off()
1339 struct tegra_xusb_padctl *padctl = lane->pad->padctl; in tegra186_usb3_phy_power_off()
1341 unsigned int index = lane->index; in tegra186_usb3_phy_power_off()
1342 struct device *dev = padctl->dev; in tegra186_usb3_phy_power_off()
1347 dev_err(dev, "no port found for USB3 lane %u\n", index); in tegra186_usb3_phy_power_off()
1348 return -ENODEV; in tegra186_usb3_phy_power_off()
1351 mutex_lock(&padctl->lock); in tegra186_usb3_phy_power_off()
1369 mutex_unlock(&padctl->lock); in tegra186_usb3_phy_power_off()
1374 static int tegra186_usb3_phy_init(struct phy *phy) in tegra186_usb3_phy_init() argument
1379 static int tegra186_usb3_phy_exit(struct phy *phy) in tegra186_usb3_phy_exit() argument
1397 struct tegra_xusb_usb3_pad *usb3; in tegra186_usb3_pad_probe() local
1401 usb3 = kzalloc(sizeof(*usb3), GFP_KERNEL); in tegra186_usb3_pad_probe()
1402 if (!usb3) in tegra186_usb3_pad_probe()
1403 return ERR_PTR(-ENOMEM); in tegra186_usb3_pad_probe()
1405 pad = &usb3->base; in tegra186_usb3_pad_probe()
1406 pad->ops = &tegra186_usb3_lane_ops; in tegra186_usb3_pad_probe()
1407 pad->soc = soc; in tegra186_usb3_pad_probe()
1411 kfree(usb3); in tegra186_usb3_pad_probe()
1419 dev_set_drvdata(&pad->dev, pad); in tegra186_usb3_pad_probe()
1424 device_unregister(&pad->dev); in tegra186_usb3_pad_probe()
1448 struct device *dev = padctl->base.dev; in tegra186_xusb_read_fuse_calibration()
1453 count = padctl->base.soc->ports.usb2.count; in tegra186_xusb_read_fuse_calibration()
1457 return -ENOMEM; in tegra186_xusb_read_fuse_calibration()
1470 padctl->calib.hs_curr_level = level; in tegra186_xusb_read_fuse_calibration()
1472 padctl->calib.hs_squelch = (value >> HS_SQUELCH_SHIFT) & in tegra186_xusb_read_fuse_calibration()
1474 padctl->calib.hs_term_range_adj = (value >> HS_TERM_RANGE_ADJ_SHIFT) & in tegra186_xusb_read_fuse_calibration()
1485 padctl->calib.rpd_ctrl = (value >> RPD_CTRL_SHIFT) & RPD_CTRL_MASK; in tegra186_xusb_read_fuse_calibration()
1501 return ERR_PTR(-ENOMEM); in tegra186_xusb_padctl_probe()
1503 priv->base.dev = dev; in tegra186_xusb_padctl_probe()
1504 priv->base.soc = soc; in tegra186_xusb_padctl_probe()
1507 priv->ao_regs = devm_ioremap_resource(dev, res); in tegra186_xusb_padctl_probe()
1508 if (IS_ERR(priv->ao_regs)) in tegra186_xusb_padctl_probe()
1509 return ERR_CAST(priv->ao_regs); in tegra186_xusb_padctl_probe()
1515 return &priv->base; in tegra186_xusb_padctl_probe()
1522 priv->context.vbus_id = padctl_readl(padctl, USB2_VBUS_ID); in tegra186_xusb_padctl_save()
1523 priv->context.usb2_pad_mux = padctl_readl(padctl, XUSB_PADCTL_USB2_PAD_MUX); in tegra186_xusb_padctl_save()
1524 priv->context.usb2_port_cap = padctl_readl(padctl, XUSB_PADCTL_USB2_PORT_CAP); in tegra186_xusb_padctl_save()
1525 priv->context.ss_port_cap = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_CAP); in tegra186_xusb_padctl_save()
1532 padctl_writel(padctl, priv->context.usb2_pad_mux, XUSB_PADCTL_USB2_PAD_MUX); in tegra186_xusb_padctl_restore()
1533 padctl_writel(padctl, priv->context.usb2_port_cap, XUSB_PADCTL_USB2_PORT_CAP); in tegra186_xusb_padctl_restore()
1534 padctl_writel(padctl, priv->context.ss_port_cap, XUSB_PADCTL_SS_PORT_CAP); in tegra186_xusb_padctl_restore()
1535 padctl_writel(padctl, priv->context.vbus_id, USB2_VBUS_ID); in tegra186_xusb_padctl_restore()
1568 "avdd-pll-erefeut",
1569 "avdd-usb",
1570 "vclamp-usb",
1571 "vddio-hsic",
1575 TEGRA186_LANE("usb2-0", 0, 0, 0, usb2),
1576 TEGRA186_LANE("usb2-1", 0, 0, 0, usb2),
1577 TEGRA186_LANE("usb2-2", 0, 0, 0, usb2),
1588 TEGRA186_LANE("usb3-0", 0, 0, 0, usb3),
1589 TEGRA186_LANE("usb3-1", 0, 0, 0, usb3),
1590 TEGRA186_LANE("usb3-2", 0, 0, 0, usb3),
1594 .name = "usb3",
1622 .usb3 = {
1637 "avdd-usb",
1638 "vclamp-usb",
1642 TEGRA186_LANE("usb2-0", 0, 0, 0, usb2),
1643 TEGRA186_LANE("usb2-1", 0, 0, 0, usb2),
1644 TEGRA186_LANE("usb2-2", 0, 0, 0, usb2),
1645 TEGRA186_LANE("usb2-3", 0, 0, 0, usb2),
1656 TEGRA186_LANE("usb3-0", 0, 0, 0, usb3),
1657 TEGRA186_LANE("usb3-1", 0, 0, 0, usb3),
1658 TEGRA186_LANE("usb3-2", 0, 0, 0, usb3),
1659 TEGRA186_LANE("usb3-3", 0, 0, 0, usb3),
1663 .name = "usb3",
1682 .usb3 = {
1703 .usb3 = {