331 	int err;  in utmip_pad_power_on()  local
333 	err = clk_prepare_enable(phy->pad_clk);  in utmip_pad_power_on()
334 	if (err)  in utmip_pad_power_on()
335 		return err;  in utmip_pad_power_on()
488 	int err;  in utmi_phy_power_on()  local
568 	err = utmip_pad_power_on(phy);  in utmi_phy_power_on()
569 	if (err)  in utmi_phy_power_on()
570 		return err;  in utmi_phy_power_on()
718 	int err;  in ulpi_phy_power_on()  local
722 	err = clk_prepare_enable(phy->clk);  in ulpi_phy_power_on()
723 	if (err)  in ulpi_phy_power_on()
724 		return err;  in ulpi_phy_power_on()
759 	err = usb_phy_io_write(phy->ulpi, 0x40, 0x08);  in ulpi_phy_power_on()
760 	if (err) {  in ulpi_phy_power_on()
761 		dev_err(phy->u_phy.dev, "ULPI write failed: %d\n", err);  in ulpi_phy_power_on()
765 	err = usb_phy_io_write(phy->ulpi, 0x80, 0x0B);  in ulpi_phy_power_on()
766 	if (err) {  in ulpi_phy_power_on()
767 		dev_err(phy->u_phy.dev, "ULPI write failed: %d\n", err);  in ulpi_phy_power_on()
785 	return err;  in ulpi_phy_power_on()
808 	int err;  in tegra_usb_phy_power_on()  local
814 		err = ulpi_phy_power_on(phy);  in tegra_usb_phy_power_on()
816 		err = utmi_phy_power_on(phy);  in tegra_usb_phy_power_on()
817 	if (err)  in tegra_usb_phy_power_on()
818 		return err;  in tegra_usb_phy_power_on()
830 	int err;  in tegra_usb_phy_power_off()  local
836 		err = ulpi_phy_power_off(phy);  in tegra_usb_phy_power_off()
838 		err = utmi_phy_power_off(phy);  in tegra_usb_phy_power_off()
839 	if (err)  in tegra_usb_phy_power_off()
840 		return err;  in tegra_usb_phy_power_off()
964 	int err, val = 0;  in tegra_usb_phy_configure_pmc()  local
987 	err = regmap_set_bits(phy->pmc_regmap, PMC_USB_AO, val);  in tegra_usb_phy_configure_pmc()
988 	if (err) {  in tegra_usb_phy_configure_pmc()
989 		dev_err(phy->u_phy.dev, "Failed to disable PMC AO: %d\n", err);  in tegra_usb_phy_configure_pmc()
990 		return err;  in tegra_usb_phy_configure_pmc()
996 	err = regmap_clear_bits(phy->pmc_regmap, PMC_USB_AO, val);  in tegra_usb_phy_configure_pmc()
997 	if (err) {  in tegra_usb_phy_configure_pmc()
998 		dev_err(phy->u_phy.dev, "Failed to enable PMC AO: %d\n", err);  in tegra_usb_phy_configure_pmc()
999 		return err;  in tegra_usb_phy_configure_pmc()
1013 	int err;  in tegra_usb_phy_init()  local
1018 	err = clk_prepare_enable(phy->pll_u);  in tegra_usb_phy_init()
1019 	if (err)  in tegra_usb_phy_init()
1020 		return err;  in tegra_usb_phy_init()
1032 		err = -EINVAL;  in tegra_usb_phy_init()
1036 	err = regulator_enable(phy->vbus);  in tegra_usb_phy_init()
1037 	if (err) {  in tegra_usb_phy_init()
1039 			"Failed to enable USB VBUS regulator: %d\n", err);  in tegra_usb_phy_init()
1044 		err = utmip_pad_open(phy);  in tegra_usb_phy_init()
1045 		if (err)  in tegra_usb_phy_init()
1049 	err = tegra_usb_phy_configure_pmc(phy);  in tegra_usb_phy_init()
1050 	if (err)  in tegra_usb_phy_init()
1053 	err = tegra_usb_phy_power_on(phy);  in tegra_usb_phy_init()
1054 	if (err)  in tegra_usb_phy_init()
1071 	return err;  in tegra_usb_phy_init()
1078 	int err;  in read_utmi_param()  local
1080 	err = of_property_read_u32(pdev->dev.of_node, param, &value);  in read_utmi_param()
1081 	if (err)  in read_utmi_param()
1084 			param, err);  in read_utmi_param()
1088 	return err;  in read_utmi_param()
1096 	int err;  in utmi_phy_probe()  local
1124 	err = read_utmi_param(pdev, "nvidia,hssync-start-delay",  in utmi_phy_probe()
1126 	if (err)  in utmi_phy_probe()
1127 		return err;  in utmi_phy_probe()
1129 	err = read_utmi_param(pdev, "nvidia,elastic-limit",  in utmi_phy_probe()
1131 	if (err)  in utmi_phy_probe()
1132 		return err;  in utmi_phy_probe()
1134 	err = read_utmi_param(pdev, "nvidia,idle-wait-delay",  in utmi_phy_probe()
1136 	if (err)  in utmi_phy_probe()
1137 		return err;  in utmi_phy_probe()
1139 	err = read_utmi_param(pdev, "nvidia,term-range-adj",  in utmi_phy_probe()
1141 	if (err)  in utmi_phy_probe()
1142 		return err;  in utmi_phy_probe()
1144 	err = read_utmi_param(pdev, "nvidia,xcvr-lsfslew",  in utmi_phy_probe()
1146 	if (err)  in utmi_phy_probe()
1147 		return err;  in utmi_phy_probe()
1149 	err = read_utmi_param(pdev, "nvidia,xcvr-lsrslew",  in utmi_phy_probe()
1151 	if (err)  in utmi_phy_probe()
1152 		return err;  in utmi_phy_probe()
1155 		err = read_utmi_param(pdev, "nvidia,xcvr-hsslew",  in utmi_phy_probe()
1157 		if (err)  in utmi_phy_probe()
1158 			return err;  in utmi_phy_probe()
1160 		err = read_utmi_param(pdev, "nvidia,hssquelch-level",  in utmi_phy_probe()
1162 		if (err)  in utmi_phy_probe()
1163 			return err;  in utmi_phy_probe()
1165 		err = read_utmi_param(pdev, "nvidia,hsdiscon-level",  in utmi_phy_probe()
1167 		if (err)  in utmi_phy_probe()
1168 			return err;  in utmi_phy_probe()
1175 		err = read_utmi_param(pdev, "nvidia,xcvr-setup",  in utmi_phy_probe()
1177 		if (err)  in utmi_phy_probe()
1178 			return err;  in utmi_phy_probe()
1194 	int err;  in tegra_usb_phy_parse_pmc()  local
1196 	err = of_parse_phandle_with_fixed_args(dev->of_node, "nvidia,pmc",  in tegra_usb_phy_parse_pmc()
1198 	if (err) {  in tegra_usb_phy_parse_pmc()
1199 		if (err != -ENOENT)  in tegra_usb_phy_parse_pmc()
1200 			return err;  in tegra_usb_phy_parse_pmc()
1211 	err = devm_add_action_or_reset(dev, tegra_usb_phy_put_pmc_device,  in tegra_usb_phy_parse_pmc()
1213 	if (err)  in tegra_usb_phy_parse_pmc()
1214 		return err;  in tegra_usb_phy_parse_pmc()
1260 	int err;  in tegra_usb_phy_probe()  local
1305 	err = PTR_ERR_OR_ZERO(tegra_phy->pll_u);  in tegra_usb_phy_probe()
1306 	if (err) {  in tegra_usb_phy_probe()
1307 		dev_err(&pdev->dev, "Failed to get pll_u clock: %d\n", err);  in tegra_usb_phy_probe()
1308 		return err;  in tegra_usb_phy_probe()
1311 	err = tegra_usb_phy_parse_pmc(&pdev->dev, tegra_phy);  in tegra_usb_phy_probe()
1312 	if (err) {  in tegra_usb_phy_probe()
1313 		dev_err_probe(&pdev->dev, err, "Failed to get PMC regmap\n");  in tegra_usb_phy_probe()
1314 		return err;  in tegra_usb_phy_probe()
1320 		err = utmi_phy_probe(tegra_phy, pdev);  in tegra_usb_phy_probe()
1321 		if (err)  in tegra_usb_phy_probe()
1322 			return err;  in tegra_usb_phy_probe()
1325 		err = PTR_ERR_OR_ZERO(tegra_phy->pad_clk);  in tegra_usb_phy_probe()
1326 		if (err) {  in tegra_usb_phy_probe()
1328 				"Failed to get UTMIP pad clock: %d\n", err);  in tegra_usb_phy_probe()
1329 			return err;  in tegra_usb_phy_probe()
1334 		err = PTR_ERR_OR_ZERO(reset);  in tegra_usb_phy_probe()
1335 		if (err) {  in tegra_usb_phy_probe()
1337 				"Failed to get UTMI-pads reset: %d\n", err);  in tegra_usb_phy_probe()
1338 			return err;  in tegra_usb_phy_probe()
1347 		err = PTR_ERR_OR_ZERO(tegra_phy->clk);  in tegra_usb_phy_probe()
1348 		if (err) {  in tegra_usb_phy_probe()
1350 				"Failed to get ULPI clock: %d\n", err);  in tegra_usb_phy_probe()
1351 			return err;  in tegra_usb_phy_probe()
1356 		err = PTR_ERR_OR_ZERO(gpiod);  in tegra_usb_phy_probe()
1357 		if (err) {  in tegra_usb_phy_probe()
1359 				"Request failed for reset GPIO: %d\n", err);  in tegra_usb_phy_probe()
1360 			return err;  in tegra_usb_phy_probe()
1363 		err = gpiod_set_consumer_name(gpiod, "ulpi_phy_reset_b");  in tegra_usb_phy_probe()
1364 		if (err) {  in tegra_usb_phy_probe()
1366 				"Failed to set up reset GPIO name: %d\n", err);  in tegra_usb_phy_probe()
1367 			return err;  in tegra_usb_phy_probe()