105 static void dwc3_qcom_vbus_overrride_enable(struct dwc3_qcom *qcom, bool enable)  in dwc3_qcom_vbus_overrride_enable()  argument
108 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,  in dwc3_qcom_vbus_overrride_enable()
110 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,  in dwc3_qcom_vbus_overrride_enable()
113 		dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,  in dwc3_qcom_vbus_overrride_enable()
115 		dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,  in dwc3_qcom_vbus_overrride_enable()
123 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);  in dwc3_qcom_vbus_notifier()  local
126 	dwc3_qcom_vbus_overrride_enable(qcom, event);  in dwc3_qcom_vbus_notifier()
127 	qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;  in dwc3_qcom_vbus_notifier()
135 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);  in dwc3_qcom_host_notifier()  local
138 	dwc3_qcom_vbus_overrride_enable(qcom, !event);  in dwc3_qcom_host_notifier()
139 	qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;  in dwc3_qcom_host_notifier()
144 static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom)  in dwc3_qcom_register_extcon()  argument
146 	struct device		*dev = qcom->dev;  in dwc3_qcom_register_extcon()
153 	qcom->edev = extcon_get_edev_by_phandle(dev, 0);  in dwc3_qcom_register_extcon()
154 	if (IS_ERR(qcom->edev))  in dwc3_qcom_register_extcon()
155 		return PTR_ERR(qcom->edev);  in dwc3_qcom_register_extcon()
157 	qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier;  in dwc3_qcom_register_extcon()
159 	qcom->host_edev = extcon_get_edev_by_phandle(dev, 1);  in dwc3_qcom_register_extcon()
160 	if (IS_ERR(qcom->host_edev))  in dwc3_qcom_register_extcon()
161 		qcom->host_edev = NULL;  in dwc3_qcom_register_extcon()
163 	ret = devm_extcon_register_notifier(dev, qcom->edev, EXTCON_USB,  in dwc3_qcom_register_extcon()
164 					    &qcom->vbus_nb);  in dwc3_qcom_register_extcon()
170 	if (qcom->host_edev)  in dwc3_qcom_register_extcon()
171 		host_edev = qcom->host_edev;  in dwc3_qcom_register_extcon()
173 		host_edev = qcom->edev;  in dwc3_qcom_register_extcon()
175 	qcom->host_nb.notifier_call = dwc3_qcom_host_notifier;  in dwc3_qcom_register_extcon()
177 					    &qcom->host_nb);  in dwc3_qcom_register_extcon()
184 	if (extcon_get_state(qcom->edev, EXTCON_USB) ||  in dwc3_qcom_register_extcon()
186 		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, true, qcom->edev);  in dwc3_qcom_register_extcon()
188 		dwc3_qcom_vbus_notifier(&qcom->vbus_nb, false, qcom->edev);  in dwc3_qcom_register_extcon()
193 static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)  in dwc3_qcom_disable_interrupts()  argument
195 	if (qcom->hs_phy_irq) {  in dwc3_qcom_disable_interrupts()
196 		disable_irq_wake(qcom->hs_phy_irq);  in dwc3_qcom_disable_interrupts()
197 		disable_irq_nosync(qcom->hs_phy_irq);  in dwc3_qcom_disable_interrupts()
200 	if (qcom->dp_hs_phy_irq) {  in dwc3_qcom_disable_interrupts()
201 		disable_irq_wake(qcom->dp_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
202 		disable_irq_nosync(qcom->dp_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
205 	if (qcom->dm_hs_phy_irq) {  in dwc3_qcom_disable_interrupts()
206 		disable_irq_wake(qcom->dm_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
207 		disable_irq_nosync(qcom->dm_hs_phy_irq);  in dwc3_qcom_disable_interrupts()
210 	if (qcom->ss_phy_irq) {  in dwc3_qcom_disable_interrupts()
211 		disable_irq_wake(qcom->ss_phy_irq);  in dwc3_qcom_disable_interrupts()
212 		disable_irq_nosync(qcom->ss_phy_irq);  in dwc3_qcom_disable_interrupts()
216 static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)  in dwc3_qcom_enable_interrupts()  argument
218 	if (qcom->hs_phy_irq) {  in dwc3_qcom_enable_interrupts()
219 		enable_irq(qcom->hs_phy_irq);  in dwc3_qcom_enable_interrupts()
220 		enable_irq_wake(qcom->hs_phy_irq);  in dwc3_qcom_enable_interrupts()
223 	if (qcom->dp_hs_phy_irq) {  in dwc3_qcom_enable_interrupts()
224 		enable_irq(qcom->dp_hs_phy_irq);  in dwc3_qcom_enable_interrupts()
225 		enable_irq_wake(qcom->dp_hs_phy_irq);  in dwc3_qcom_enable_interrupts()
228 	if (qcom->dm_hs_phy_irq) {  in dwc3_qcom_enable_interrupts()
229 		enable_irq(qcom->dm_hs_phy_irq);  in dwc3_qcom_enable_interrupts()
230 		enable_irq_wake(qcom->dm_hs_phy_irq);  in dwc3_qcom_enable_interrupts()
233 	if (qcom->ss_phy_irq) {  in dwc3_qcom_enable_interrupts()
234 		enable_irq(qcom->ss_phy_irq);  in dwc3_qcom_enable_interrupts()
235 		enable_irq_wake(qcom->ss_phy_irq);  in dwc3_qcom_enable_interrupts()
239 static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)  in dwc3_qcom_suspend()  argument
244 	if (qcom->is_suspended)  in dwc3_qcom_suspend()
247 	val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG);  in dwc3_qcom_suspend()
249 		dev_err(qcom->dev, "HS-PHY not in L2\n");  in dwc3_qcom_suspend()
251 	for (i = qcom->num_clocks - 1; i >= 0; i--)  in dwc3_qcom_suspend()
252 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_suspend()
254 	qcom->is_suspended = true;  in dwc3_qcom_suspend()
255 	dwc3_qcom_enable_interrupts(qcom);  in dwc3_qcom_suspend()
260 static int dwc3_qcom_resume(struct dwc3_qcom *qcom)  in dwc3_qcom_resume()  argument
265 	if (!qcom->is_suspended)  in dwc3_qcom_resume()
268 	dwc3_qcom_disable_interrupts(qcom);  in dwc3_qcom_resume()
270 	for (i = 0; i < qcom->num_clocks; i++) {  in dwc3_qcom_resume()
271 		ret = clk_prepare_enable(qcom->clks[i]);  in dwc3_qcom_resume()
274 				clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_resume()
280 	dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG,  in dwc3_qcom_resume()
283 	qcom->is_suspended = false;  in dwc3_qcom_resume()
290 	struct dwc3_qcom *qcom = data;  in qcom_dwc3_resume_irq()  local
291 	struct dwc3	*dwc = platform_get_drvdata(qcom->dwc3);  in qcom_dwc3_resume_irq()
294 	if (qcom->pm_suspended)  in qcom_dwc3_resume_irq()
303 static void dwc3_qcom_select_utmi_clk(struct dwc3_qcom *qcom)  in dwc3_qcom_select_utmi_clk()  argument
306 	dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
311 	dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
316 	dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,  in dwc3_qcom_select_utmi_clk()
336 	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);  in dwc3_qcom_setup_irq()  local
337 	const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata;  in dwc3_qcom_setup_irq()
344 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
347 					"qcom_dwc3 HS", qcom);  in dwc3_qcom_setup_irq()
349 			dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
352 		qcom->hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
359 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
362 					"qcom_dwc3 DP_HS", qcom);  in dwc3_qcom_setup_irq()
364 			dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
367 		qcom->dp_hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
374 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
377 					"qcom_dwc3 DM_HS", qcom);  in dwc3_qcom_setup_irq()
379 			dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
382 		qcom->dm_hs_phy_irq = irq;  in dwc3_qcom_setup_irq()
389 		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,  in dwc3_qcom_setup_irq()
392 					"qcom_dwc3 SS", qcom);  in dwc3_qcom_setup_irq()
394 			dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);  in dwc3_qcom_setup_irq()
397 		qcom->ss_phy_irq = irq;  in dwc3_qcom_setup_irq()
403 static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count)  in dwc3_qcom_clk_init()  argument
405 	struct device		*dev = qcom->dev;  in dwc3_qcom_clk_init()
415 	qcom->num_clocks = count;  in dwc3_qcom_clk_init()
417 	qcom->clks = devm_kcalloc(dev, qcom->num_clocks,  in dwc3_qcom_clk_init()
419 	if (!qcom->clks)  in dwc3_qcom_clk_init()
422 	for (i = 0; i < qcom->num_clocks; i++) {  in dwc3_qcom_clk_init()
429 				clk_put(qcom->clks[i]);  in dwc3_qcom_clk_init()
436 				clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_clk_init()
437 				clk_put(qcom->clks[i]);  in dwc3_qcom_clk_init()
444 		qcom->clks[i] = clk;  in dwc3_qcom_clk_init()
457 	struct dwc3_qcom 	*qcom = platform_get_drvdata(pdev);  in dwc3_qcom_acpi_register_core()  local
463 	qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);  in dwc3_qcom_acpi_register_core()
464 	if (!qcom->dwc3)  in dwc3_qcom_acpi_register_core()
467 	qcom->dwc3->dev.parent = dev;  in dwc3_qcom_acpi_register_core()
468 	qcom->dwc3->dev.type = dev->type;  in dwc3_qcom_acpi_register_core()
469 	qcom->dwc3->dev.dma_mask = dev->dma_mask;  in dwc3_qcom_acpi_register_core()
470 	qcom->dwc3->dev.dma_parms = dev->dma_parms;  in dwc3_qcom_acpi_register_core()
471 	qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;  in dwc3_qcom_acpi_register_core()
487 		qcom->acpi_pdata->dwc3_core_base_size;  in dwc3_qcom_acpi_register_core()
493 	ret = platform_device_add_resources(qcom->dwc3, child_res, 2);  in dwc3_qcom_acpi_register_core()
499 	ret = platform_device_add_properties(qcom->dwc3,  in dwc3_qcom_acpi_register_core()
506 	ret = platform_device_add(qcom->dwc3);  in dwc3_qcom_acpi_register_core()
517 	struct dwc3_qcom 	*qcom = platform_get_drvdata(pdev);  in dwc3_qcom_of_register_core()  local
534 	qcom->dwc3 = of_find_device_by_node(dwc3_np);  in dwc3_qcom_of_register_core()
535 	if (!qcom->dwc3) {  in dwc3_qcom_of_register_core()
557 	struct dwc3_qcom	*qcom;  in dwc3_qcom_probe()  local
562 	qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL);  in dwc3_qcom_probe()
563 	if (!qcom)  in dwc3_qcom_probe()
566 	platform_set_drvdata(pdev, qcom);  in dwc3_qcom_probe()
567 	qcom->dev = &pdev->dev;  in dwc3_qcom_probe()
570 		qcom->acpi_pdata = acpi_device_get_match_data(dev);  in dwc3_qcom_probe()
571 		if (!qcom->acpi_pdata) {  in dwc3_qcom_probe()
577 	qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);  in dwc3_qcom_probe()
578 	if (IS_ERR(qcom->resets)) {  in dwc3_qcom_probe()
579 		ret = PTR_ERR(qcom->resets);  in dwc3_qcom_probe()
584 	ret = reset_control_assert(qcom->resets);  in dwc3_qcom_probe()
592 	ret = reset_control_deassert(qcom->resets);  in dwc3_qcom_probe()
598 	ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np));  in dwc3_qcom_probe()
614 			qcom->acpi_pdata->qscratch_base_offset;  in dwc3_qcom_probe()
616 			qcom->acpi_pdata->qscratch_base_size;  in dwc3_qcom_probe()
619 	qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);  in dwc3_qcom_probe()
620 	if (IS_ERR(qcom->qscratch_base)) {  in dwc3_qcom_probe()
622 		ret = PTR_ERR(qcom->qscratch_base);  in dwc3_qcom_probe()
637 				"qcom,select-utmi-as-pipe-clk");  in dwc3_qcom_probe()
639 		dwc3_qcom_select_utmi_clk(qcom);  in dwc3_qcom_probe()
651 	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);  in dwc3_qcom_probe()
654 	if (qcom->mode == USB_DR_MODE_PERIPHERAL)  in dwc3_qcom_probe()
655 		dwc3_qcom_vbus_overrride_enable(qcom, true);  in dwc3_qcom_probe()
658 	ret = dwc3_qcom_register_extcon(qcom);  in dwc3_qcom_probe()
663 	qcom->is_suspended = false;  in dwc3_qcom_probe()
676 	for (i = qcom->num_clocks - 1; i >= 0; i--) {  in dwc3_qcom_probe()
677 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_probe()
678 		clk_put(qcom->clks[i]);  in dwc3_qcom_probe()
681 	reset_control_assert(qcom->resets);  in dwc3_qcom_probe()
688 	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);  in dwc3_qcom_remove()  local
694 	for (i = qcom->num_clocks - 1; i >= 0; i--) {  in dwc3_qcom_remove()
695 		clk_disable_unprepare(qcom->clks[i]);  in dwc3_qcom_remove()
696 		clk_put(qcom->clks[i]);  in dwc3_qcom_remove()
698 	qcom->num_clocks = 0;  in dwc3_qcom_remove()
700 	reset_control_assert(qcom->resets);  in dwc3_qcom_remove()
710 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);  in dwc3_qcom_pm_suspend()  local
713 	ret = dwc3_qcom_suspend(qcom);  in dwc3_qcom_pm_suspend()
715 		qcom->pm_suspended = true;  in dwc3_qcom_pm_suspend()
722 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);  in dwc3_qcom_pm_resume()  local
725 	ret = dwc3_qcom_resume(qcom);  in dwc3_qcom_pm_resume()
727 		qcom->pm_suspended = false;  in dwc3_qcom_pm_resume()
734 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);  in dwc3_qcom_runtime_suspend()  local
736 	return dwc3_qcom_suspend(qcom);  in dwc3_qcom_runtime_suspend()
741 	struct dwc3_qcom *qcom = dev_get_drvdata(dev);  in dwc3_qcom_runtime_resume()  local
743 	return dwc3_qcom_resume(qcom);  in dwc3_qcom_runtime_resume()
753 	{ .compatible = "qcom,dwc3" },
754 	{ .compatible = "qcom,msm8996-dwc3" },
755 	{ .compatible = "qcom,msm8998-dwc3" },
756 	{ .compatible = "qcom,sdm845-dwc3" },
771 		.name	= "dwc3-qcom",
781 MODULE_DESCRIPTION("DesignWare DWC3 QCOM Glue Driver");