206 static void set_pts(struct tegra_usb_phy *phy, u8 pts_val)  in set_pts()  argument
208 	void __iomem *base = phy->regs;  in set_pts()
211 	if (phy->soc_config->has_hostpc) {  in set_pts()
224 static void set_phcd(struct tegra_usb_phy *phy, bool enable)  in set_phcd()  argument
226 	void __iomem *base = phy->regs;  in set_phcd()
229 	if (phy->soc_config->has_hostpc) {  in set_phcd()
246 static int utmip_pad_open(struct tegra_usb_phy *phy)  in utmip_pad_open()  argument
248 	phy->pad_clk = devm_clk_get(phy->u_phy.dev, "utmi-pads");  in utmip_pad_open()
249 	if (IS_ERR(phy->pad_clk)) {  in utmip_pad_open()
251 		return PTR_ERR(phy->pad_clk);  in utmip_pad_open()
257 static void utmip_pad_power_on(struct tegra_usb_phy *phy)  in utmip_pad_power_on()  argument
260 	void __iomem *base = phy->pad_regs;  in utmip_pad_power_on()
261 	struct tegra_utmip_config *config = phy->config;  in utmip_pad_power_on()
263 	clk_prepare_enable(phy->pad_clk);  in utmip_pad_power_on()
271 		if (phy->soc_config->requires_extra_tuning_parameters) {  in utmip_pad_power_on()
285 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_power_on()
288 static int utmip_pad_power_off(struct tegra_usb_phy *phy)  in utmip_pad_power_off()  argument
291 	void __iomem *base = phy->pad_regs;  in utmip_pad_power_off()
298 	clk_prepare_enable(phy->pad_clk);  in utmip_pad_power_off()
310 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_power_off()
327 static void utmi_phy_clk_disable(struct tegra_usb_phy *phy)  in utmi_phy_clk_disable()  argument
330 	void __iomem *base = phy->regs;  in utmi_phy_clk_disable()
332 	if (phy->is_legacy_phy) {  in utmi_phy_clk_disable()
343 		set_phcd(phy, true);  in utmi_phy_clk_disable()
349 static void utmi_phy_clk_enable(struct tegra_usb_phy *phy)  in utmi_phy_clk_enable()  argument
352 	void __iomem *base = phy->regs;  in utmi_phy_clk_enable()
354 	if (phy->is_legacy_phy) {  in utmi_phy_clk_enable()
365 		set_phcd(phy, false);  in utmi_phy_clk_enable()
372 static int utmi_phy_power_on(struct tegra_usb_phy *phy)  in utmi_phy_power_on()  argument
375 	void __iomem *base = phy->regs;  in utmi_phy_power_on()
376 	struct tegra_utmip_config *config = phy->config;  in utmi_phy_power_on()
382 	if (phy->is_legacy_phy) {  in utmi_phy_power_on()
405 	val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce);  in utmi_phy_power_on()
412 	if (!phy->soc_config->utmi_pll_config_in_car_module) {  in utmi_phy_power_on()
416 		val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) |  in utmi_phy_power_on()
417 			UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count);  in utmi_phy_power_on()
423 		val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) |  in utmi_phy_power_on()
424 			UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);  in utmi_phy_power_on()
428 	if (phy->mode == USB_DR_MODE_PERIPHERAL) {  in utmi_phy_power_on()
442 	utmip_pad_power_on(phy);  in utmi_phy_power_on()
457 	if (phy->soc_config->requires_extra_tuning_parameters) {  in utmi_phy_power_on()
482 	if (!phy->is_legacy_phy) {  in utmi_phy_power_on()
492 	if (phy->is_legacy_phy) {  in utmi_phy_power_on()
503 	utmi_phy_clk_enable(phy);  in utmi_phy_power_on()
505 	if (phy->soc_config->requires_usbmode_setup) {  in utmi_phy_power_on()
508 		if (phy->mode == USB_DR_MODE_HOST)  in utmi_phy_power_on()
515 	if (!phy->is_legacy_phy)  in utmi_phy_power_on()
516 		set_pts(phy, 0);  in utmi_phy_power_on()
521 static int utmi_phy_power_off(struct tegra_usb_phy *phy)  in utmi_phy_power_off()  argument
524 	void __iomem *base = phy->regs;  in utmi_phy_power_off()
526 	utmi_phy_clk_disable(phy);  in utmi_phy_power_off()
528 	if (phy->mode == USB_DR_MODE_PERIPHERAL) {  in utmi_phy_power_off()
553 	return utmip_pad_power_off(phy);  in utmi_phy_power_off()
556 static void utmi_phy_preresume(struct tegra_usb_phy *phy)  in utmi_phy_preresume()  argument
559 	void __iomem *base = phy->regs;  in utmi_phy_preresume()
566 static void utmi_phy_postresume(struct tegra_usb_phy *phy)  in utmi_phy_postresume()  argument
569 	void __iomem *base = phy->regs;  in utmi_phy_postresume()
576 static void utmi_phy_restore_start(struct tegra_usb_phy *phy,  in utmi_phy_restore_start()  argument
580 	void __iomem *base = phy->regs;  in utmi_phy_restore_start()
597 static void utmi_phy_restore_end(struct tegra_usb_phy *phy)  in utmi_phy_restore_end()  argument
600 	void __iomem *base = phy->regs;  in utmi_phy_restore_end()
608 static int ulpi_phy_power_on(struct tegra_usb_phy *phy)  in ulpi_phy_power_on()  argument
612 	void __iomem *base = phy->regs;  in ulpi_phy_power_on()
614 	ret = gpio_direction_output(phy->reset_gpio, 0);  in ulpi_phy_power_on()
616 		dev_err(phy->u_phy.dev, "gpio %d not set to 0\n",  in ulpi_phy_power_on()
617 			phy->reset_gpio);  in ulpi_phy_power_on()
621 	ret = gpio_direction_output(phy->reset_gpio, 1);  in ulpi_phy_power_on()
623 		dev_err(phy->u_phy.dev, "gpio %d not set to 1\n",  in ulpi_phy_power_on()
624 			phy->reset_gpio);  in ulpi_phy_power_on()
628 	clk_prepare_enable(phy->clk);  in ulpi_phy_power_on()
658 	ret = usb_phy_io_write(phy->ulpi, 0x40, 0x08);  in ulpi_phy_power_on()
664 	ret = usb_phy_io_write(phy->ulpi, 0x80, 0x0B);  in ulpi_phy_power_on()
682 static int ulpi_phy_power_off(struct tegra_usb_phy *phy)  in ulpi_phy_power_off()  argument
684 	clk_disable(phy->clk);  in ulpi_phy_power_off()
685 	return gpio_direction_output(phy->reset_gpio, 0);  in ulpi_phy_power_off()
688 static void tegra_usb_phy_close(struct tegra_usb_phy *phy)  in tegra_usb_phy_close()  argument
690 	if (!IS_ERR(phy->vbus))  in tegra_usb_phy_close()
691 		regulator_disable(phy->vbus);  in tegra_usb_phy_close()
693 	clk_disable_unprepare(phy->pll_u);  in tegra_usb_phy_close()
696 static int tegra_usb_phy_power_on(struct tegra_usb_phy *phy)  in tegra_usb_phy_power_on()  argument
698 	if (phy->is_ulpi_phy)  in tegra_usb_phy_power_on()
699 		return ulpi_phy_power_on(phy);  in tegra_usb_phy_power_on()
701 		return utmi_phy_power_on(phy);  in tegra_usb_phy_power_on()
704 static int tegra_usb_phy_power_off(struct tegra_usb_phy *phy)  in tegra_usb_phy_power_off()  argument
706 	if (phy->is_ulpi_phy)  in tegra_usb_phy_power_off()
707 		return ulpi_phy_power_off(phy);  in tegra_usb_phy_power_off()
709 		return utmi_phy_power_off(phy);  in tegra_usb_phy_power_off()
714 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_suspend()  local
716 		return tegra_usb_phy_power_off(phy);  in tegra_usb_phy_suspend()
718 		return tegra_usb_phy_power_on(phy);  in tegra_usb_phy_suspend()
721 static int ulpi_open(struct tegra_usb_phy *phy)  in ulpi_open()  argument
725 	phy->clk = devm_clk_get(phy->u_phy.dev, "ulpi-link");  in ulpi_open()
726 	if (IS_ERR(phy->clk)) {  in ulpi_open()
728 		return PTR_ERR(phy->clk);  in ulpi_open()
731 	err = devm_gpio_request(phy->u_phy.dev, phy->reset_gpio,  in ulpi_open()
734 		dev_err(phy->u_phy.dev, "request failed for gpio: %d\n",  in ulpi_open()
735 		       phy->reset_gpio);  in ulpi_open()
739 	err = gpio_direction_output(phy->reset_gpio, 0);  in ulpi_open()
741 		dev_err(phy->u_phy.dev, "gpio %d direction not set to output\n",  in ulpi_open()
742 		       phy->reset_gpio);  in ulpi_open()
746 	phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);  in ulpi_open()
747 	if (!phy->ulpi) {  in ulpi_open()
748 		dev_err(phy->u_phy.dev, "otg_ulpi_create returned NULL\n");  in ulpi_open()
753 	phy->ulpi->io_priv = phy->regs + ULPI_VIEWPORT;  in ulpi_open()
757 static int tegra_usb_phy_init(struct tegra_usb_phy *phy)  in tegra_usb_phy_init()  argument
763 	phy->pll_u = devm_clk_get(phy->u_phy.dev, "pll_u");  in tegra_usb_phy_init()
764 	if (IS_ERR(phy->pll_u)) {  in tegra_usb_phy_init()
766 		return PTR_ERR(phy->pll_u);  in tegra_usb_phy_init()
769 	err = clk_prepare_enable(phy->pll_u);  in tegra_usb_phy_init()
773 	parent_rate = clk_get_rate(clk_get_parent(phy->pll_u));  in tegra_usb_phy_init()
776 			phy->freq = &tegra_freq_table[i];  in tegra_usb_phy_init()
780 	if (!phy->freq) {  in tegra_usb_phy_init()
786 	if (!IS_ERR(phy->vbus)) {  in tegra_usb_phy_init()
787 		err = regulator_enable(phy->vbus);  in tegra_usb_phy_init()
789 			dev_err(phy->u_phy.dev,  in tegra_usb_phy_init()
796 	if (phy->is_ulpi_phy)  in tegra_usb_phy_init()
797 		err = ulpi_open(phy);  in tegra_usb_phy_init()
799 		err = utmip_pad_open(phy);  in tegra_usb_phy_init()
806 	clk_disable_unprepare(phy->pll_u);  in tegra_usb_phy_init()
812 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_preresume()  local
814 	if (!phy->is_ulpi_phy)  in tegra_usb_phy_preresume()
815 		utmi_phy_preresume(phy);  in tegra_usb_phy_preresume()
821 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_postresume()  local
823 	if (!phy->is_ulpi_phy)  in tegra_usb_phy_postresume()
824 		utmi_phy_postresume(phy);  in tegra_usb_phy_postresume()
831 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_ehci_phy_restore_start()  local
833 	if (!phy->is_ulpi_phy)  in tegra_ehci_phy_restore_start()
834 		utmi_phy_restore_start(phy, port_speed);  in tegra_ehci_phy_restore_start()
840 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_ehci_phy_restore_end()  local
842 	if (!phy->is_ulpi_phy)  in tegra_ehci_phy_restore_end()
843 		utmi_phy_restore_end(phy);  in tegra_ehci_phy_restore_end()