53 		.compatible = "nvidia,tegra124-xusb-padctl",
59 		.compatible = "nvidia,tegra210-xusb-padctl",
65 		.compatible = "nvidia,tegra186-xusb-padctl",
71 		.compatible = "nvidia,tegra194-xusb-padctl",
77 		.compatible = "nvidia,tegra234-xusb-padctl",
86 tegra_xusb_find_pad_node(struct tegra_xusb_padctl *padctl, const char *name)  in tegra_xusb_find_pad_node()  argument
90 	pads = of_get_child_by_name(padctl->dev->of_node, "pads");  in tegra_xusb_find_pad_node()
160 			struct tegra_xusb_padctl *padctl,  in tegra_xusb_pad_init()  argument
167 	pad->dev.parent = padctl->dev;  in tegra_xusb_pad_init()
170 	pad->padctl = padctl;  in tegra_xusb_pad_init()
230 		list_add_tail(&lane->list, &pad->padctl->lanes);  in tegra_xusb_pad_register()
265 tegra_xusb_pad_create(struct tegra_xusb_padctl *padctl,  in tegra_xusb_pad_create()  argument
272 	np = tegra_xusb_find_pad_node(padctl, soc->name);  in tegra_xusb_pad_create()
276 	pad = soc->ops->probe(padctl, soc, np);  in tegra_xusb_pad_create()
279 		dev_err(padctl->dev, "failed to create pad %s: %d\n",  in tegra_xusb_pad_create()
286 		padctl->pcie = pad;  in tegra_xusb_pad_create()
289 		padctl->sata = pad;  in tegra_xusb_pad_create()
292 		padctl->usb2 = pad;  in tegra_xusb_pad_create()
295 		padctl->ulpi = pad;  in tegra_xusb_pad_create()
298 		padctl->hsic = pad;  in tegra_xusb_pad_create()
303 static void __tegra_xusb_remove_pads(struct tegra_xusb_padctl *padctl)  in __tegra_xusb_remove_pads()  argument
307 	list_for_each_entry_safe_reverse(pad, tmp, &padctl->pads, list) {  in __tegra_xusb_remove_pads()
313 static void tegra_xusb_remove_pads(struct tegra_xusb_padctl *padctl)  in tegra_xusb_remove_pads()  argument
315 	mutex_lock(&padctl->lock);  in tegra_xusb_remove_pads()
316 	__tegra_xusb_remove_pads(padctl);  in tegra_xusb_remove_pads()
317 	mutex_unlock(&padctl->lock);  in tegra_xusb_remove_pads()
322 	struct tegra_xusb_padctl *padctl = lane->pad->padctl;  in tegra_xusb_lane_program()  local
334 	value = padctl_readl(padctl, soc->offset);  in tegra_xusb_lane_program()
337 	padctl_writel(padctl, value, soc->offset);  in tegra_xusb_lane_program()
357 static int tegra_xusb_setup_pads(struct tegra_xusb_padctl *padctl)  in tegra_xusb_setup_pads()  argument
362 	mutex_lock(&padctl->lock);  in tegra_xusb_setup_pads()
364 	for (i = 0; i < padctl->soc->num_pads; i++) {  in tegra_xusb_setup_pads()
365 		const struct tegra_xusb_pad_soc *soc = padctl->soc->pads[i];  in tegra_xusb_setup_pads()
368 		pad = tegra_xusb_pad_create(padctl, soc);  in tegra_xusb_setup_pads()
371 			dev_err(padctl->dev, "failed to create pad %s: %d\n",  in tegra_xusb_setup_pads()
373 			__tegra_xusb_remove_pads(padctl);  in tegra_xusb_setup_pads()
374 			mutex_unlock(&padctl->lock);  in tegra_xusb_setup_pads()
381 		list_add_tail(&pad->list, &padctl->pads);  in tegra_xusb_setup_pads()
384 	list_for_each_entry(pad, &padctl->pads, list)  in tegra_xusb_setup_pads()
387 	mutex_unlock(&padctl->lock);  in tegra_xusb_setup_pads()
399 struct tegra_xusb_lane *tegra_xusb_find_lane(struct tegra_xusb_padctl *padctl,  in tegra_xusb_find_lane()  argument
410 	list_for_each_entry(lane, &padctl->lanes, list) {  in tegra_xusb_find_lane()
432 		lane = tegra_xusb_find_lane(port->padctl, map->type,  in tegra_xusb_port_find_lane()
451 tegra_xusb_find_port_node(struct tegra_xusb_padctl *padctl, const char *type,  in tegra_xusb_find_port_node()  argument
457 	ports = of_get_child_by_name(padctl->dev->of_node, "ports");  in tegra_xusb_find_port_node()
474 tegra_xusb_find_port(struct tegra_xusb_padctl *padctl, const char *type,  in tegra_xusb_find_port()  argument
480 	np = tegra_xusb_find_port_node(padctl, type, index);  in tegra_xusb_find_port()
484 	list_for_each_entry(port, &padctl->ports, list) {  in tegra_xusb_find_port()
497 tegra_xusb_find_usb2_port(struct tegra_xusb_padctl *padctl, unsigned int index)  in tegra_xusb_find_usb2_port()  argument
501 	port = tegra_xusb_find_port(padctl, "usb2", index);  in tegra_xusb_find_usb2_port()
509 tegra_xusb_find_usb3_port(struct tegra_xusb_padctl *padctl, unsigned int index)  in tegra_xusb_find_usb3_port()  argument
513 	port = tegra_xusb_find_port(padctl, "usb3", index);  in tegra_xusb_find_usb3_port()
533 				struct tegra_xusb_padctl *padctl,  in tegra_xusb_port_init()  argument
541 	port->padctl = padctl;  in tegra_xusb_port_init()
547 	port->dev.parent = padctl->dev;  in tegra_xusb_port_init()
701 	lane = tegra_xusb_find_lane(port->padctl, "usb2", port->index);  in tegra_xusb_setup_usb_role_switch()
784 static int tegra_xusb_add_usb2_port(struct tegra_xusb_padctl *padctl,  in tegra_xusb_add_usb2_port()  argument
795 	np = tegra_xusb_find_port_node(padctl, "usb2", index);  in tegra_xusb_add_usb2_port()
805 	err = tegra_xusb_port_init(&usb2->base, padctl, np, "usb2", index);  in tegra_xusb_add_usb2_port()
809 	usb2->base.ops = padctl->soc->ports.usb2.ops;  in tegra_xusb_add_usb2_port()
824 	list_add_tail(&usb2->base.list, &padctl->ports);  in tegra_xusb_add_usb2_port()
855 static int tegra_xusb_add_ulpi_port(struct tegra_xusb_padctl *padctl,  in tegra_xusb_add_ulpi_port()  argument
862 	np = tegra_xusb_find_port_node(padctl, "ulpi", index);  in tegra_xusb_add_ulpi_port()
872 	err = tegra_xusb_port_init(&ulpi->base, padctl, np, "ulpi", index);  in tegra_xusb_add_ulpi_port()
876 	ulpi->base.ops = padctl->soc->ports.ulpi.ops;  in tegra_xusb_add_ulpi_port()
891 	list_add_tail(&ulpi->base.list, &padctl->ports);  in tegra_xusb_add_ulpi_port()
911 static int tegra_xusb_add_hsic_port(struct tegra_xusb_padctl *padctl,  in tegra_xusb_add_hsic_port()  argument
918 	np = tegra_xusb_find_port_node(padctl, "hsic", index);  in tegra_xusb_add_hsic_port()
928 	err = tegra_xusb_port_init(&hsic->base, padctl, np, "hsic", index);  in tegra_xusb_add_hsic_port()
932 	hsic->base.ops = padctl->soc->ports.hsic.ops;  in tegra_xusb_add_hsic_port()
946 	list_add_tail(&hsic->base.list, &padctl->ports);  in tegra_xusb_add_hsic_port()
991 static int tegra_xusb_add_usb3_port(struct tegra_xusb_padctl *padctl,  in tegra_xusb_add_usb3_port()  argument
1003 	np = tegra_xusb_find_port_node(padctl, "usb3", index);  in tegra_xusb_add_usb3_port()
1013 	err = tegra_xusb_port_init(&usb3->base, padctl, np, "usb3", index);  in tegra_xusb_add_usb3_port()
1017 	usb3->base.ops = padctl->soc->ports.usb3.ops;  in tegra_xusb_add_usb3_port()
1031 	list_add_tail(&usb3->base.list, &padctl->ports);  in tegra_xusb_add_usb3_port()
1045 static void __tegra_xusb_remove_ports(struct tegra_xusb_padctl *padctl)  in __tegra_xusb_remove_ports()  argument
1049 	list_for_each_entry_safe_reverse(port, tmp, &padctl->ports, list) {  in __tegra_xusb_remove_ports()
1055 static int tegra_xusb_find_unused_usb3_port(struct tegra_xusb_padctl *padctl)  in tegra_xusb_find_unused_usb3_port()  argument
1060 	for (i = 0; i < padctl->soc->ports.usb3.count; i++) {  in tegra_xusb_find_unused_usb3_port()
1061 		np = tegra_xusb_find_port_node(padctl, "usb3", i);  in tegra_xusb_find_unused_usb3_port()
1073 	struct tegra_xusb_padctl *padctl = usb2->base.padctl;  in tegra_xusb_port_is_companion()  local
1075 	for (i = 0; i < padctl->soc->ports.usb3.count; i++) {  in tegra_xusb_port_is_companion()
1076 		usb3 = tegra_xusb_find_usb3_port(padctl, i);  in tegra_xusb_port_is_companion()
1094 		fake = tegra_xusb_find_unused_usb3_port(usb2->base.padctl);  in tegra_xusb_update_usb3_fake_port()
1107 static int tegra_xusb_setup_ports(struct tegra_xusb_padctl *padctl)  in tegra_xusb_setup_ports()  argument
1114 	mutex_lock(&padctl->lock);  in tegra_xusb_setup_ports()
1116 	for (i = 0; i < padctl->soc->ports.usb2.count; i++) {  in tegra_xusb_setup_ports()
1117 		err = tegra_xusb_add_usb2_port(padctl, i);  in tegra_xusb_setup_ports()
1122 	for (i = 0; i < padctl->soc->ports.ulpi.count; i++) {  in tegra_xusb_setup_ports()
1123 		err = tegra_xusb_add_ulpi_port(padctl, i);  in tegra_xusb_setup_ports()
1128 	for (i = 0; i < padctl->soc->ports.hsic.count; i++) {  in tegra_xusb_setup_ports()
1129 		err = tegra_xusb_add_hsic_port(padctl, i);  in tegra_xusb_setup_ports()
1134 	for (i = 0; i < padctl->soc->ports.usb3.count; i++) {  in tegra_xusb_setup_ports()
1135 		err = tegra_xusb_add_usb3_port(padctl, i);  in tegra_xusb_setup_ports()
1140 	if (padctl->soc->need_fake_usb3_port) {  in tegra_xusb_setup_ports()
1141 		for (i = 0; i < padctl->soc->ports.usb2.count; i++) {  in tegra_xusb_setup_ports()
1142 			usb2 = tegra_xusb_find_usb2_port(padctl, i);  in tegra_xusb_setup_ports()
1152 	list_for_each_entry(port, &padctl->ports, list) {  in tegra_xusb_setup_ports()
1155 			dev_err(padctl->dev, "failed to enable port %s: %d\n",  in tegra_xusb_setup_ports()
1162 	__tegra_xusb_remove_ports(padctl);  in tegra_xusb_setup_ports()
1164 	mutex_unlock(&padctl->lock);  in tegra_xusb_setup_ports()
1168 static void tegra_xusb_remove_ports(struct tegra_xusb_padctl *padctl)  in tegra_xusb_remove_ports()  argument
1170 	mutex_lock(&padctl->lock);  in tegra_xusb_remove_ports()
1171 	__tegra_xusb_remove_ports(padctl);  in tegra_xusb_remove_ports()
1172 	mutex_unlock(&padctl->lock);  in tegra_xusb_remove_ports()
1179 	struct tegra_xusb_padctl *padctl;  in tegra_xusb_padctl_probe()  local
1195 	padctl = soc->ops->probe(&pdev->dev, soc);  in tegra_xusb_padctl_probe()
1196 	if (IS_ERR(padctl))  in tegra_xusb_padctl_probe()
1197 		return PTR_ERR(padctl);  in tegra_xusb_padctl_probe()
1199 	platform_set_drvdata(pdev, padctl);  in tegra_xusb_padctl_probe()
1200 	INIT_LIST_HEAD(&padctl->ports);  in tegra_xusb_padctl_probe()
1201 	INIT_LIST_HEAD(&padctl->lanes);  in tegra_xusb_padctl_probe()
1202 	INIT_LIST_HEAD(&padctl->pads);  in tegra_xusb_padctl_probe()
1203 	mutex_init(&padctl->lock);  in tegra_xusb_padctl_probe()
1205 	padctl->regs = devm_platform_ioremap_resource(pdev, 0);  in tegra_xusb_padctl_probe()
1206 	if (IS_ERR(padctl->regs)) {  in tegra_xusb_padctl_probe()
1207 		err = PTR_ERR(padctl->regs);  in tegra_xusb_padctl_probe()
1211 	padctl->rst = devm_reset_control_get(&pdev->dev, NULL);  in tegra_xusb_padctl_probe()
1212 	if (IS_ERR(padctl->rst)) {  in tegra_xusb_padctl_probe()
1213 		err = PTR_ERR(padctl->rst);  in tegra_xusb_padctl_probe()
1217 	padctl->supplies = devm_kcalloc(&pdev->dev, padctl->soc->num_supplies,  in tegra_xusb_padctl_probe()
1218 					sizeof(*padctl->supplies), GFP_KERNEL);  in tegra_xusb_padctl_probe()
1219 	if (!padctl->supplies) {  in tegra_xusb_padctl_probe()
1224 	regulator_bulk_set_supply_names(padctl->supplies,  in tegra_xusb_padctl_probe()
1225 					padctl->soc->supply_names,  in tegra_xusb_padctl_probe()
1226 					padctl->soc->num_supplies);  in tegra_xusb_padctl_probe()
1228 	err = devm_regulator_bulk_get(&pdev->dev, padctl->soc->num_supplies,  in tegra_xusb_padctl_probe()
1229 				      padctl->supplies);  in tegra_xusb_padctl_probe()
1235 	err = reset_control_deassert(padctl->rst);  in tegra_xusb_padctl_probe()
1239 	err = regulator_bulk_enable(padctl->soc->num_supplies,  in tegra_xusb_padctl_probe()
1240 				    padctl->supplies);  in tegra_xusb_padctl_probe()
1246 	err = tegra_xusb_setup_pads(padctl);  in tegra_xusb_padctl_probe()
1252 	err = tegra_xusb_setup_ports(padctl);  in tegra_xusb_padctl_probe()
1267 	tegra_xusb_remove_pads(padctl);  in tegra_xusb_padctl_probe()
1269 	regulator_bulk_disable(padctl->soc->num_supplies, padctl->supplies);  in tegra_xusb_padctl_probe()
1271 	reset_control_assert(padctl->rst);  in tegra_xusb_padctl_probe()
1274 	soc->ops->remove(padctl);  in tegra_xusb_padctl_probe()
1280 	struct tegra_xusb_padctl *padctl = platform_get_drvdata(pdev);  in tegra_xusb_padctl_remove()  local
1283 	tegra_xusb_remove_ports(padctl);  in tegra_xusb_padctl_remove()
1284 	tegra_xusb_remove_pads(padctl);  in tegra_xusb_padctl_remove()
1286 	err = regulator_bulk_disable(padctl->soc->num_supplies,  in tegra_xusb_padctl_remove()
1287 				     padctl->supplies);  in tegra_xusb_padctl_remove()
1291 	err = reset_control_assert(padctl->rst);  in tegra_xusb_padctl_remove()
1295 	padctl->soc->ops->remove(padctl);  in tegra_xusb_padctl_remove()
1300 	struct tegra_xusb_padctl *padctl = dev_get_drvdata(dev);  in tegra_xusb_padctl_suspend_noirq()  local
1302 	if (padctl->soc && padctl->soc->ops && padctl->soc->ops->suspend_noirq)  in tegra_xusb_padctl_suspend_noirq()
1303 		return padctl->soc->ops->suspend_noirq(padctl);  in tegra_xusb_padctl_suspend_noirq()
1310 	struct tegra_xusb_padctl *padctl = dev_get_drvdata(dev);  in tegra_xusb_padctl_resume_noirq()  local
1312 	if (padctl->soc && padctl->soc->ops && padctl->soc->ops->resume_noirq)  in tegra_xusb_padctl_resume_noirq()
1313 		return padctl->soc->ops->resume_noirq(padctl);  in tegra_xusb_padctl_resume_noirq()
1325 		.name = "tegra-xusb-padctl",
1336 	struct tegra_xusb_padctl *padctl;  in tegra_xusb_padctl_get()  local
1340 	np = of_parse_phandle(dev->of_node, "nvidia,xusb-padctl", 0);  in tegra_xusb_padctl_get()
1357 	padctl = platform_get_drvdata(pdev);  in tegra_xusb_padctl_get()
1358 	if (!padctl) {  in tegra_xusb_padctl_get()
1363 	return padctl;  in tegra_xusb_padctl_get()
1367 void tegra_xusb_padctl_put(struct tegra_xusb_padctl *padctl)  in tegra_xusb_padctl_put()  argument
1369 	if (padctl)  in tegra_xusb_padctl_put()
1370 		put_device(padctl->dev);  in tegra_xusb_padctl_put()
1374 int tegra_xusb_padctl_usb3_save_context(struct tegra_xusb_padctl *padctl,  in tegra_xusb_padctl_usb3_save_context()  argument
1377 	if (padctl->soc->ops->usb3_save_context)  in tegra_xusb_padctl_usb3_save_context()
1378 		return padctl->soc->ops->usb3_save_context(padctl, port);  in tegra_xusb_padctl_usb3_save_context()
1384 int tegra_xusb_padctl_hsic_set_idle(struct tegra_xusb_padctl *padctl,  in tegra_xusb_padctl_hsic_set_idle()  argument
1387 	if (padctl->soc->ops->hsic_set_idle)  in tegra_xusb_padctl_hsic_set_idle()
1388 		return padctl->soc->ops->hsic_set_idle(padctl, port, idle);  in tegra_xusb_padctl_hsic_set_idle()
1394 int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy,  in tegra_xusb_padctl_enable_phy_sleepwalk()  argument
1406 int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy)  in tegra_xusb_padctl_disable_phy_sleepwalk()  argument
1417 int tegra_xusb_padctl_enable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy)  in tegra_xusb_padctl_enable_phy_wake()  argument
1428 int tegra_xusb_padctl_disable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy)  in tegra_xusb_padctl_disable_phy_wake()  argument
1439 bool tegra_xusb_padctl_remote_wake_detected(struct tegra_xusb_padctl *padctl, struct phy *phy)  in tegra_xusb_padctl_remote_wake_detected()  argument
1450 int tegra_xusb_padctl_usb3_set_lfps_detect(struct tegra_xusb_padctl *padctl,  in tegra_xusb_padctl_usb3_set_lfps_detect()  argument
1453 	if (padctl->soc->ops->usb3_set_lfps_detect)  in tegra_xusb_padctl_usb3_set_lfps_detect()
1454 		return padctl->soc->ops->usb3_set_lfps_detect(padctl, port,  in tegra_xusb_padctl_usb3_set_lfps_detect()
1461 int tegra_xusb_padctl_set_vbus_override(struct tegra_xusb_padctl *padctl,  in tegra_xusb_padctl_set_vbus_override()  argument
1464 	if (padctl->soc->ops->vbus_override)  in tegra_xusb_padctl_set_vbus_override()
1465 		return padctl->soc->ops->vbus_override(padctl, val);  in tegra_xusb_padctl_set_vbus_override()
1474 	struct tegra_xusb_padctl *padctl = lane->pad->padctl;  in tegra_phy_xusb_utmi_port_reset()  local
1476 	if (padctl->soc->ops->utmi_port_reset)  in tegra_phy_xusb_utmi_port_reset()
1477 		return padctl->soc->ops->utmi_port_reset(phy);  in tegra_phy_xusb_utmi_port_reset()
1486 	struct tegra_xusb_padctl *padctl;  in tegra_phy_xusb_utmi_pad_power_on()  local
1492 	padctl = lane->pad->padctl;  in tegra_phy_xusb_utmi_pad_power_on()
1494 	if (padctl->soc->ops->utmi_pad_power_on)  in tegra_phy_xusb_utmi_pad_power_on()
1495 		padctl->soc->ops->utmi_pad_power_on(phy);  in tegra_phy_xusb_utmi_pad_power_on()
1502 	struct tegra_xusb_padctl *padctl;  in tegra_phy_xusb_utmi_pad_power_down()  local
1508 	padctl = lane->pad->padctl;  in tegra_phy_xusb_utmi_pad_power_down()
1510 	if (padctl->soc->ops->utmi_pad_power_down)  in tegra_phy_xusb_utmi_pad_power_down()
1511 		padctl->soc->ops->utmi_pad_power_down(phy);  in tegra_phy_xusb_utmi_pad_power_down()
1515 int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,  in tegra_xusb_padctl_get_usb3_companion()  argument
1522 	usb2 = tegra_xusb_find_usb2_port(padctl, port);  in tegra_xusb_padctl_get_usb3_companion()
1526 	for (i = 0; i < padctl->soc->ports.usb3.count; i++) {  in tegra_xusb_padctl_get_usb3_companion()
1527 		usb3 = tegra_xusb_find_usb3_port(padctl, i);  in tegra_xusb_padctl_get_usb3_companion()