197 static void set_pts(struct tegra_usb_phy *phy, u8 pts_val)  in set_pts()  argument
199 	void __iomem *base = phy->regs;  in set_pts()
202 	if (phy->soc_config->has_hostpc) {  in set_pts()
215 static void set_phcd(struct tegra_usb_phy *phy, bool enable)  in set_phcd()  argument
217 	void __iomem *base = phy->regs;  in set_phcd()
220 	if (phy->soc_config->has_hostpc) {  in set_phcd()
237 static int utmip_pad_open(struct tegra_usb_phy *phy)  in utmip_pad_open()  argument
241 	phy->pad_clk = devm_clk_get(phy->u_phy.dev, "utmi-pads");  in utmip_pad_open()
242 	if (IS_ERR(phy->pad_clk)) {  in utmip_pad_open()
243 		ret = PTR_ERR(phy->pad_clk);  in utmip_pad_open()
244 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
249 	phy->pad_rst = devm_reset_control_get_optional_shared(  in utmip_pad_open()
250 						phy->u_phy.dev, "utmi-pads");  in utmip_pad_open()
251 	if (IS_ERR(phy->pad_rst)) {  in utmip_pad_open()
252 		ret = PTR_ERR(phy->pad_rst);  in utmip_pad_open()
253 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
258 	ret = clk_prepare_enable(phy->pad_clk);  in utmip_pad_open()
260 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
267 	ret = reset_control_deassert(phy->pad_rst);  in utmip_pad_open()
269 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
274 	ret = reset_control_assert(phy->pad_rst);  in utmip_pad_open()
276 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
283 	ret = reset_control_deassert(phy->pad_rst);  in utmip_pad_open()
285 		dev_err(phy->u_phy.dev,  in utmip_pad_open()
290 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_open()
295 static int utmip_pad_close(struct tegra_usb_phy *phy)  in utmip_pad_close()  argument
299 	ret = clk_prepare_enable(phy->pad_clk);  in utmip_pad_close()
301 		dev_err(phy->u_phy.dev,  in utmip_pad_close()
306 	ret = reset_control_assert(phy->pad_rst);  in utmip_pad_close()
308 		dev_err(phy->u_phy.dev,  in utmip_pad_close()
313 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_close()
318 static void utmip_pad_power_on(struct tegra_usb_phy *phy)  in utmip_pad_power_on()  argument
321 	void __iomem *base = phy->pad_regs;  in utmip_pad_power_on()
322 	struct tegra_utmip_config *config = phy->config;  in utmip_pad_power_on()
324 	clk_prepare_enable(phy->pad_clk);  in utmip_pad_power_on()
332 		if (phy->soc_config->requires_extra_tuning_parameters) {  in utmip_pad_power_on()
346 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_power_on()
349 static int utmip_pad_power_off(struct tegra_usb_phy *phy)  in utmip_pad_power_off()  argument
352 	void __iomem *base = phy->pad_regs;  in utmip_pad_power_off()
355 		dev_err(phy->u_phy.dev, "UTMIP pad already powered off\n");  in utmip_pad_power_off()
359 	clk_prepare_enable(phy->pad_clk);  in utmip_pad_power_off()
371 	clk_disable_unprepare(phy->pad_clk);  in utmip_pad_power_off()
384 static void utmi_phy_clk_disable(struct tegra_usb_phy *phy)  in utmi_phy_clk_disable()  argument
387 	void __iomem *base = phy->regs;  in utmi_phy_clk_disable()
397 	if (phy->is_legacy_phy) {  in utmi_phy_clk_disable()
408 		set_phcd(phy, true);  in utmi_phy_clk_disable()
411 		dev_err(phy->u_phy.dev,  in utmi_phy_clk_disable()
415 static void utmi_phy_clk_enable(struct tegra_usb_phy *phy)  in utmi_phy_clk_enable()  argument
418 	void __iomem *base = phy->regs;  in utmi_phy_clk_enable()
429 	if (phy->is_legacy_phy) {  in utmi_phy_clk_enable()
440 		set_phcd(phy, false);  in utmi_phy_clk_enable()
444 		dev_err(phy->u_phy.dev,  in utmi_phy_clk_enable()
448 static int utmi_phy_power_on(struct tegra_usb_phy *phy)  in utmi_phy_power_on()  argument
451 	void __iomem *base = phy->regs;  in utmi_phy_power_on()
452 	struct tegra_utmip_config *config = phy->config;  in utmi_phy_power_on()
458 	if (phy->is_legacy_phy) {  in utmi_phy_power_on()
481 	val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce);  in utmi_phy_power_on()
488 	if (!phy->soc_config->utmi_pll_config_in_car_module) {  in utmi_phy_power_on()
492 		val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) |  in utmi_phy_power_on()
493 			UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count);  in utmi_phy_power_on()
499 		val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) |  in utmi_phy_power_on()
500 			UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);  in utmi_phy_power_on()
504 	if (phy->mode == USB_DR_MODE_PERIPHERAL) {  in utmi_phy_power_on()
518 	utmip_pad_power_on(phy);  in utmi_phy_power_on()
533 	if (phy->soc_config->requires_extra_tuning_parameters) {  in utmi_phy_power_on()
558 	if (!phy->is_legacy_phy) {  in utmi_phy_power_on()
568 	if (phy->is_legacy_phy) {  in utmi_phy_power_on()
579 	utmi_phy_clk_enable(phy);  in utmi_phy_power_on()
581 	if (phy->soc_config->requires_usbmode_setup) {  in utmi_phy_power_on()
584 		if (phy->mode == USB_DR_MODE_HOST)  in utmi_phy_power_on()
591 	if (!phy->is_legacy_phy)  in utmi_phy_power_on()
592 		set_pts(phy, 0);  in utmi_phy_power_on()
597 static int utmi_phy_power_off(struct tegra_usb_phy *phy)  in utmi_phy_power_off()  argument
600 	void __iomem *base = phy->regs;  in utmi_phy_power_off()
602 	utmi_phy_clk_disable(phy);  in utmi_phy_power_off()
604 	if (phy->mode == USB_DR_MODE_PERIPHERAL) {  in utmi_phy_power_off()
629 	return utmip_pad_power_off(phy);  in utmi_phy_power_off()
632 static void utmi_phy_preresume(struct tegra_usb_phy *phy)  in utmi_phy_preresume()  argument
635 	void __iomem *base = phy->regs;  in utmi_phy_preresume()
642 static void utmi_phy_postresume(struct tegra_usb_phy *phy)  in utmi_phy_postresume()  argument
645 	void __iomem *base = phy->regs;  in utmi_phy_postresume()
652 static void utmi_phy_restore_start(struct tegra_usb_phy *phy,  in utmi_phy_restore_start()  argument
656 	void __iomem *base = phy->regs;  in utmi_phy_restore_start()
673 static void utmi_phy_restore_end(struct tegra_usb_phy *phy)  in utmi_phy_restore_end()  argument
676 	void __iomem *base = phy->regs;  in utmi_phy_restore_end()
684 static int ulpi_phy_power_on(struct tegra_usb_phy *phy)  in ulpi_phy_power_on()  argument
688 	void __iomem *base = phy->regs;  in ulpi_phy_power_on()
690 	ret = gpio_direction_output(phy->reset_gpio, 0);  in ulpi_phy_power_on()
692 		dev_err(phy->u_phy.dev, "GPIO %d not set to 0: %d\n",  in ulpi_phy_power_on()
693 			phy->reset_gpio, ret);  in ulpi_phy_power_on()
697 	ret = gpio_direction_output(phy->reset_gpio, 1);  in ulpi_phy_power_on()
699 		dev_err(phy->u_phy.dev, "GPIO %d not set to 1: %d\n",  in ulpi_phy_power_on()
700 			phy->reset_gpio, ret);  in ulpi_phy_power_on()
704 	clk_prepare_enable(phy->clk);  in ulpi_phy_power_on()
734 	ret = usb_phy_io_write(phy->ulpi, 0x40, 0x08);  in ulpi_phy_power_on()
736 		dev_err(phy->u_phy.dev, "ULPI write failed: %d\n", ret);  in ulpi_phy_power_on()
740 	ret = usb_phy_io_write(phy->ulpi, 0x80, 0x0B);  in ulpi_phy_power_on()
742 		dev_err(phy->u_phy.dev, "ULPI write failed: %d\n", ret);  in ulpi_phy_power_on()
758 static int ulpi_phy_power_off(struct tegra_usb_phy *phy)  in ulpi_phy_power_off()  argument
760 	clk_disable(phy->clk);  in ulpi_phy_power_off()
761 	return gpio_direction_output(phy->reset_gpio, 0);  in ulpi_phy_power_off()
764 static void tegra_usb_phy_close(struct tegra_usb_phy *phy)  in tegra_usb_phy_close()  argument
766 	if (!IS_ERR(phy->vbus))  in tegra_usb_phy_close()
767 		regulator_disable(phy->vbus);  in tegra_usb_phy_close()
769 	if (!phy->is_ulpi_phy)  in tegra_usb_phy_close()
770 		utmip_pad_close(phy);  in tegra_usb_phy_close()
772 	clk_disable_unprepare(phy->pll_u);  in tegra_usb_phy_close()
775 static int tegra_usb_phy_power_on(struct tegra_usb_phy *phy)  in tegra_usb_phy_power_on()  argument
777 	if (phy->is_ulpi_phy)  in tegra_usb_phy_power_on()
778 		return ulpi_phy_power_on(phy);  in tegra_usb_phy_power_on()
780 		return utmi_phy_power_on(phy);  in tegra_usb_phy_power_on()
783 static int tegra_usb_phy_power_off(struct tegra_usb_phy *phy)  in tegra_usb_phy_power_off()  argument
785 	if (phy->is_ulpi_phy)  in tegra_usb_phy_power_off()
786 		return ulpi_phy_power_off(phy);  in tegra_usb_phy_power_off()
788 		return utmi_phy_power_off(phy);  in tegra_usb_phy_power_off()
793 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_suspend()  local
795 		return tegra_usb_phy_power_off(phy);  in tegra_usb_phy_suspend()
797 		return tegra_usb_phy_power_on(phy);  in tegra_usb_phy_suspend()
800 static int ulpi_open(struct tegra_usb_phy *phy)  in ulpi_open()  argument
804 	phy->clk = devm_clk_get(phy->u_phy.dev, "ulpi-link");  in ulpi_open()
805 	if (IS_ERR(phy->clk)) {  in ulpi_open()
806 		err = PTR_ERR(phy->clk);  in ulpi_open()
807 		dev_err(phy->u_phy.dev, "Failed to get ULPI clock: %d\n", err);  in ulpi_open()
811 	err = devm_gpio_request(phy->u_phy.dev, phy->reset_gpio,  in ulpi_open()
814 		dev_err(phy->u_phy.dev, "Request failed for GPIO %d: %d\n",  in ulpi_open()
815 			phy->reset_gpio, err);  in ulpi_open()
819 	err = gpio_direction_output(phy->reset_gpio, 0);  in ulpi_open()
821 		dev_err(phy->u_phy.dev,  in ulpi_open()
823 			phy->reset_gpio, err);  in ulpi_open()
827 	phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);  in ulpi_open()
828 	if (!phy->ulpi) {  in ulpi_open()
829 		dev_err(phy->u_phy.dev, "Failed to create ULPI OTG\n");  in ulpi_open()
834 	phy->ulpi->io_priv = phy->regs + ULPI_VIEWPORT;  in ulpi_open()
838 static int tegra_usb_phy_init(struct tegra_usb_phy *phy)  in tegra_usb_phy_init()  argument
844 	phy->pll_u = devm_clk_get(phy->u_phy.dev, "pll_u");  in tegra_usb_phy_init()
845 	if (IS_ERR(phy->pll_u)) {  in tegra_usb_phy_init()
846 		err = PTR_ERR(phy->pll_u);  in tegra_usb_phy_init()
847 		dev_err(phy->u_phy.dev,  in tegra_usb_phy_init()
852 	err = clk_prepare_enable(phy->pll_u);  in tegra_usb_phy_init()
856 	parent_rate = clk_get_rate(clk_get_parent(phy->pll_u));  in tegra_usb_phy_init()
859 			phy->freq = &tegra_freq_table[i];  in tegra_usb_phy_init()
863 	if (!phy->freq) {  in tegra_usb_phy_init()
864 		dev_err(phy->u_phy.dev, "Invalid pll_u parent rate %ld\n",  in tegra_usb_phy_init()
870 	if (!IS_ERR(phy->vbus)) {  in tegra_usb_phy_init()
871 		err = regulator_enable(phy->vbus);  in tegra_usb_phy_init()
873 			dev_err(phy->u_phy.dev,  in tegra_usb_phy_init()
880 	if (phy->is_ulpi_phy)  in tegra_usb_phy_init()
881 		err = ulpi_open(phy);  in tegra_usb_phy_init()
883 		err = utmip_pad_open(phy);  in tegra_usb_phy_init()
890 	clk_disable_unprepare(phy->pll_u);  in tegra_usb_phy_init()
896 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_preresume()  local
898 	if (!phy->is_ulpi_phy)  in tegra_usb_phy_preresume()
899 		utmi_phy_preresume(phy);  in tegra_usb_phy_preresume()
905 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_usb_phy_postresume()  local
907 	if (!phy->is_ulpi_phy)  in tegra_usb_phy_postresume()
908 		utmi_phy_postresume(phy);  in tegra_usb_phy_postresume()
915 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_ehci_phy_restore_start()  local
917 	if (!phy->is_ulpi_phy)  in tegra_ehci_phy_restore_start()
918 		utmi_phy_restore_start(phy, port_speed);  in tegra_ehci_phy_restore_start()
924 	struct tegra_usb_phy *phy = container_of(x, struct tegra_usb_phy, u_phy);  in tegra_ehci_phy_restore_end()  local
926 	if (!phy->is_ulpi_phy)  in tegra_ehci_phy_restore_end()
927 		utmi_phy_restore_end(phy);  in tegra_ehci_phy_restore_end()