Lines Matching +full:select +full:- +full:utmi +full:- +full:as +full:- +full:pipe +full:- +full:clk
1 // SPDX-License-Identifier: GPL-2.0
4 * Inspired by dwc3-of-simple.c
10 #include <linux/clk.h>
71 struct clk **clks;
121 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL, in dwc3_qcom_vbus_override_enable()
123 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL, in dwc3_qcom_vbus_override_enable()
126 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL, in dwc3_qcom_vbus_override_enable()
128 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL, in dwc3_qcom_vbus_override_enable()
140 qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST; in dwc3_qcom_vbus_notifier()
152 qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL; in dwc3_qcom_host_notifier()
159 struct device *dev = qcom->dev; in dwc3_qcom_register_extcon()
163 if (!of_property_read_bool(dev->of_node, "extcon")) in dwc3_qcom_register_extcon()
166 qcom->edev = extcon_get_edev_by_phandle(dev, 0); in dwc3_qcom_register_extcon()
167 if (IS_ERR(qcom->edev)) in dwc3_qcom_register_extcon()
168 return PTR_ERR(qcom->edev); in dwc3_qcom_register_extcon()
170 qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier; in dwc3_qcom_register_extcon()
172 qcom->host_edev = extcon_get_edev_by_phandle(dev, 1); in dwc3_qcom_register_extcon()
173 if (IS_ERR(qcom->host_edev)) in dwc3_qcom_register_extcon()
174 qcom->host_edev = NULL; in dwc3_qcom_register_extcon()
176 ret = devm_extcon_register_notifier(dev, qcom->edev, EXTCON_USB, in dwc3_qcom_register_extcon()
177 &qcom->vbus_nb); in dwc3_qcom_register_extcon()
183 if (qcom->host_edev) in dwc3_qcom_register_extcon()
184 host_edev = qcom->host_edev; in dwc3_qcom_register_extcon()
186 host_edev = qcom->edev; in dwc3_qcom_register_extcon()
188 qcom->host_nb.notifier_call = dwc3_qcom_host_notifier; in dwc3_qcom_register_extcon()
190 &qcom->host_nb); in dwc3_qcom_register_extcon()
197 if (extcon_get_state(qcom->edev, EXTCON_USB) || in dwc3_qcom_register_extcon()
199 dwc3_qcom_vbus_notifier(&qcom->vbus_nb, true, qcom->edev); in dwc3_qcom_register_extcon()
201 dwc3_qcom_vbus_notifier(&qcom->vbus_nb, false, qcom->edev); in dwc3_qcom_register_extcon()
210 ret = icc_enable(qcom->icc_path_ddr); in dwc3_qcom_interconnect_enable()
214 ret = icc_enable(qcom->icc_path_apps); in dwc3_qcom_interconnect_enable()
216 icc_disable(qcom->icc_path_ddr); in dwc3_qcom_interconnect_enable()
225 ret = icc_disable(qcom->icc_path_ddr); in dwc3_qcom_interconnect_disable()
229 ret = icc_disable(qcom->icc_path_apps); in dwc3_qcom_interconnect_disable()
231 icc_enable(qcom->icc_path_ddr); in dwc3_qcom_interconnect_disable()
237 * dwc3_qcom_interconnect_init() - Get interconnect path handles
244 struct device *dev = qcom->dev; in dwc3_qcom_interconnect_init()
250 qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr"); in dwc3_qcom_interconnect_init()
251 if (IS_ERR(qcom->icc_path_ddr)) { in dwc3_qcom_interconnect_init()
252 dev_err(dev, "failed to get usb-ddr path: %ld\n", in dwc3_qcom_interconnect_init()
253 PTR_ERR(qcom->icc_path_ddr)); in dwc3_qcom_interconnect_init()
254 return PTR_ERR(qcom->icc_path_ddr); in dwc3_qcom_interconnect_init()
257 qcom->icc_path_apps = of_icc_get(dev, "apps-usb"); in dwc3_qcom_interconnect_init()
258 if (IS_ERR(qcom->icc_path_apps)) { in dwc3_qcom_interconnect_init()
259 dev_err(dev, "failed to get apps-usb path: %ld\n", in dwc3_qcom_interconnect_init()
260 PTR_ERR(qcom->icc_path_apps)); in dwc3_qcom_interconnect_init()
261 return PTR_ERR(qcom->icc_path_apps); in dwc3_qcom_interconnect_init()
264 if (usb_get_maximum_speed(&qcom->dwc3->dev) >= USB_SPEED_SUPER || in dwc3_qcom_interconnect_init()
265 usb_get_maximum_speed(&qcom->dwc3->dev) == USB_SPEED_UNKNOWN) in dwc3_qcom_interconnect_init()
266 ret = icc_set_bw(qcom->icc_path_ddr, in dwc3_qcom_interconnect_init()
269 ret = icc_set_bw(qcom->icc_path_ddr, in dwc3_qcom_interconnect_init()
273 dev_err(dev, "failed to set bandwidth for usb-ddr path: %d\n", ret); in dwc3_qcom_interconnect_init()
277 ret = icc_set_bw(qcom->icc_path_apps, in dwc3_qcom_interconnect_init()
280 dev_err(dev, "failed to set bandwidth for apps-usb path: %d\n", ret); in dwc3_qcom_interconnect_init()
288 * dwc3_qcom_interconnect_exit() - Release interconnect path handles
295 icc_put(qcom->icc_path_ddr); in dwc3_qcom_interconnect_exit()
296 icc_put(qcom->icc_path_apps); in dwc3_qcom_interconnect_exit()
301 if (qcom->hs_phy_irq) { in dwc3_qcom_disable_interrupts()
302 disable_irq_wake(qcom->hs_phy_irq); in dwc3_qcom_disable_interrupts()
303 disable_irq_nosync(qcom->hs_phy_irq); in dwc3_qcom_disable_interrupts()
306 if (qcom->dp_hs_phy_irq) { in dwc3_qcom_disable_interrupts()
307 disable_irq_wake(qcom->dp_hs_phy_irq); in dwc3_qcom_disable_interrupts()
308 disable_irq_nosync(qcom->dp_hs_phy_irq); in dwc3_qcom_disable_interrupts()
311 if (qcom->dm_hs_phy_irq) { in dwc3_qcom_disable_interrupts()
312 disable_irq_wake(qcom->dm_hs_phy_irq); in dwc3_qcom_disable_interrupts()
313 disable_irq_nosync(qcom->dm_hs_phy_irq); in dwc3_qcom_disable_interrupts()
316 if (qcom->ss_phy_irq) { in dwc3_qcom_disable_interrupts()
317 disable_irq_wake(qcom->ss_phy_irq); in dwc3_qcom_disable_interrupts()
318 disable_irq_nosync(qcom->ss_phy_irq); in dwc3_qcom_disable_interrupts()
324 if (qcom->hs_phy_irq) { in dwc3_qcom_enable_interrupts()
325 enable_irq(qcom->hs_phy_irq); in dwc3_qcom_enable_interrupts()
326 enable_irq_wake(qcom->hs_phy_irq); in dwc3_qcom_enable_interrupts()
329 if (qcom->dp_hs_phy_irq) { in dwc3_qcom_enable_interrupts()
330 enable_irq(qcom->dp_hs_phy_irq); in dwc3_qcom_enable_interrupts()
331 enable_irq_wake(qcom->dp_hs_phy_irq); in dwc3_qcom_enable_interrupts()
334 if (qcom->dm_hs_phy_irq) { in dwc3_qcom_enable_interrupts()
335 enable_irq(qcom->dm_hs_phy_irq); in dwc3_qcom_enable_interrupts()
336 enable_irq_wake(qcom->dm_hs_phy_irq); in dwc3_qcom_enable_interrupts()
339 if (qcom->ss_phy_irq) { in dwc3_qcom_enable_interrupts()
340 enable_irq(qcom->ss_phy_irq); in dwc3_qcom_enable_interrupts()
341 enable_irq_wake(qcom->ss_phy_irq); in dwc3_qcom_enable_interrupts()
350 if (qcom->is_suspended) in dwc3_qcom_suspend()
353 val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG); in dwc3_qcom_suspend()
355 dev_err(qcom->dev, "HS-PHY not in L2\n"); in dwc3_qcom_suspend()
357 for (i = qcom->num_clocks - 1; i >= 0; i--) in dwc3_qcom_suspend()
358 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_suspend()
362 dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret); in dwc3_qcom_suspend()
364 if (device_may_wakeup(qcom->dev)) in dwc3_qcom_suspend()
367 qcom->is_suspended = true; in dwc3_qcom_suspend()
377 if (!qcom->is_suspended) in dwc3_qcom_resume()
380 if (device_may_wakeup(qcom->dev)) in dwc3_qcom_resume()
383 for (i = 0; i < qcom->num_clocks; i++) { in dwc3_qcom_resume()
384 ret = clk_prepare_enable(qcom->clks[i]); in dwc3_qcom_resume()
386 while (--i >= 0) in dwc3_qcom_resume()
387 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_resume()
394 dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret); in dwc3_qcom_resume()
397 dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG, in dwc3_qcom_resume()
400 qcom->is_suspended = false; in dwc3_qcom_resume()
408 struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); in qcom_dwc3_resume_irq()
411 if (qcom->pm_suspended) in qcom_dwc3_resume_irq()
414 if (dwc->xhci) in qcom_dwc3_resume_irq()
415 pm_runtime_resume(&dwc->xhci->dev); in qcom_dwc3_resume_irq()
422 /* Configure dwc3 to use UTMI clock as PIPE clock not present */ in dwc3_qcom_select_utmi_clk()
423 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
428 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
433 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
441 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev; in dwc3_qcom_get_irq()
442 struct device_node *np = pdev->dev.of_node; in dwc3_qcom_get_irq()
456 const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata; in dwc3_qcom_setup_irq()
461 pdata ? pdata->hs_phy_irq_index : -1); in dwc3_qcom_setup_irq()
465 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
470 dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
473 qcom->hs_phy_irq = irq; in dwc3_qcom_setup_irq()
477 pdata ? pdata->dp_hs_phy_irq_index : -1); in dwc3_qcom_setup_irq()
480 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
485 dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
488 qcom->dp_hs_phy_irq = irq; in dwc3_qcom_setup_irq()
492 pdata ? pdata->dm_hs_phy_irq_index : -1); in dwc3_qcom_setup_irq()
495 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
500 dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
503 qcom->dm_hs_phy_irq = irq; in dwc3_qcom_setup_irq()
507 pdata ? pdata->ss_phy_irq_index : -1); in dwc3_qcom_setup_irq()
510 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
515 dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
518 qcom->ss_phy_irq = irq; in dwc3_qcom_setup_irq()
526 struct device *dev = qcom->dev; in dwc3_qcom_clk_init()
527 struct device_node *np = dev->of_node; in dwc3_qcom_clk_init()
536 qcom->num_clocks = count; in dwc3_qcom_clk_init()
538 qcom->clks = devm_kcalloc(dev, qcom->num_clocks, in dwc3_qcom_clk_init()
539 sizeof(struct clk *), GFP_KERNEL); in dwc3_qcom_clk_init()
540 if (!qcom->clks) in dwc3_qcom_clk_init()
541 return -ENOMEM; in dwc3_qcom_clk_init()
543 for (i = 0; i < qcom->num_clocks; i++) { in dwc3_qcom_clk_init()
544 struct clk *clk; in dwc3_qcom_clk_init() local
547 clk = of_clk_get(np, i); in dwc3_qcom_clk_init()
548 if (IS_ERR(clk)) { in dwc3_qcom_clk_init()
549 while (--i >= 0) in dwc3_qcom_clk_init()
550 clk_put(qcom->clks[i]); in dwc3_qcom_clk_init()
551 return PTR_ERR(clk); in dwc3_qcom_clk_init()
554 ret = clk_prepare_enable(clk); in dwc3_qcom_clk_init()
556 while (--i >= 0) { in dwc3_qcom_clk_init()
557 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_clk_init()
558 clk_put(qcom->clks[i]); in dwc3_qcom_clk_init()
560 clk_put(clk); in dwc3_qcom_clk_init()
565 qcom->clks[i] = clk; in dwc3_qcom_clk_init()
583 struct device *dev = &pdev->dev; in dwc3_qcom_acpi_register_core()
585 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : in dwc3_qcom_acpi_register_core()
590 qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); in dwc3_qcom_acpi_register_core()
591 if (!qcom->dwc3) in dwc3_qcom_acpi_register_core()
592 return -ENOMEM; in dwc3_qcom_acpi_register_core()
594 qcom->dwc3->dev.parent = dev; in dwc3_qcom_acpi_register_core()
595 qcom->dwc3->dev.type = dev->type; in dwc3_qcom_acpi_register_core()
596 qcom->dwc3->dev.dma_mask = dev->dma_mask; in dwc3_qcom_acpi_register_core()
597 qcom->dwc3->dev.dma_parms = dev->dma_parms; in dwc3_qcom_acpi_register_core()
598 qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask; in dwc3_qcom_acpi_register_core()
602 return -ENOMEM; in dwc3_qcom_acpi_register_core()
606 dev_err(&pdev->dev, "failed to get memory resource\n"); in dwc3_qcom_acpi_register_core()
607 ret = -ENODEV; in dwc3_qcom_acpi_register_core()
611 child_res[0].flags = res->flags; in dwc3_qcom_acpi_register_core()
612 child_res[0].start = res->start; in dwc3_qcom_acpi_register_core()
614 qcom->acpi_pdata->dwc3_core_base_size; in dwc3_qcom_acpi_register_core()
624 ret = platform_device_add_resources(qcom->dwc3, child_res, 2); in dwc3_qcom_acpi_register_core()
626 dev_err(&pdev->dev, "failed to add resources\n"); in dwc3_qcom_acpi_register_core()
630 ret = device_add_software_node(&qcom->dwc3->dev, &dwc3_qcom_swnode); in dwc3_qcom_acpi_register_core()
632 dev_err(&pdev->dev, "failed to add properties\n"); in dwc3_qcom_acpi_register_core()
636 ret = platform_device_add(qcom->dwc3); in dwc3_qcom_acpi_register_core()
638 dev_err(&pdev->dev, "failed to add device\n"); in dwc3_qcom_acpi_register_core()
639 device_remove_software_node(&qcom->dwc3->dev); in dwc3_qcom_acpi_register_core()
650 struct device_node *np = pdev->dev.of_node, *dwc3_np; in dwc3_qcom_of_register_core()
651 struct device *dev = &pdev->dev; in dwc3_qcom_of_register_core()
658 return -ENODEV; in dwc3_qcom_of_register_core()
663 ret = -ENOMEM; in dwc3_qcom_of_register_core()
668 prop->name = "tx-fifo-resize"; in dwc3_qcom_of_register_core()
677 dev_err(dev, "failed to register dwc3 core - %d\n", ret); in dwc3_qcom_of_register_core()
681 qcom->dwc3 = of_find_device_by_node(dwc3_np); in dwc3_qcom_of_register_core()
682 if (!qcom->dwc3) { in dwc3_qcom_of_register_core()
683 ret = -ENODEV; in dwc3_qcom_of_register_core()
703 ret = sscanf(fwnode_get_name(dev->fwnode), "URS%d", &id); in dwc3_qcom_create_urs_usb_platdev()
709 fwh = fwnode_get_named_child_node(dev->fwnode, name); in dwc3_qcom_create_urs_usb_platdev()
722 struct device_node *np = pdev->dev.of_node; in dwc3_qcom_probe()
723 struct device *dev = &pdev->dev; in dwc3_qcom_probe()
729 qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL); in dwc3_qcom_probe()
731 return -ENOMEM; in dwc3_qcom_probe()
734 qcom->dev = &pdev->dev; in dwc3_qcom_probe()
737 qcom->acpi_pdata = acpi_device_get_match_data(dev); in dwc3_qcom_probe()
738 if (!qcom->acpi_pdata) { in dwc3_qcom_probe()
739 dev_err(&pdev->dev, "no supporting ACPI device data\n"); in dwc3_qcom_probe()
740 return -EINVAL; in dwc3_qcom_probe()
744 qcom->resets = devm_reset_control_array_get_optional_exclusive(dev); in dwc3_qcom_probe()
745 if (IS_ERR(qcom->resets)) { in dwc3_qcom_probe()
746 ret = PTR_ERR(qcom->resets); in dwc3_qcom_probe()
747 dev_err(&pdev->dev, "failed to get resets, err=%d\n", ret); in dwc3_qcom_probe()
751 ret = reset_control_assert(qcom->resets); in dwc3_qcom_probe()
753 dev_err(&pdev->dev, "failed to assert resets, err=%d\n", ret); in dwc3_qcom_probe()
759 ret = reset_control_deassert(qcom->resets); in dwc3_qcom_probe()
761 dev_err(&pdev->dev, "failed to deassert resets, err=%d\n", ret); in dwc3_qcom_probe()
778 return -ENOMEM; in dwc3_qcom_probe()
780 parent_res->start = res->start + in dwc3_qcom_probe()
781 qcom->acpi_pdata->qscratch_base_offset; in dwc3_qcom_probe()
782 parent_res->end = parent_res->start + in dwc3_qcom_probe()
783 qcom->acpi_pdata->qscratch_base_size; in dwc3_qcom_probe()
785 if (qcom->acpi_pdata->is_urs) { in dwc3_qcom_probe()
786 qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev); in dwc3_qcom_probe()
787 if (!qcom->urs_usb) { in dwc3_qcom_probe()
789 return -ENODEV; in dwc3_qcom_probe()
794 qcom->qscratch_base = devm_ioremap_resource(dev, parent_res); in dwc3_qcom_probe()
795 if (IS_ERR(qcom->qscratch_base)) { in dwc3_qcom_probe()
796 ret = PTR_ERR(qcom->qscratch_base); in dwc3_qcom_probe()
811 "qcom,select-utmi-as-pipe-clk"); in dwc3_qcom_probe()
829 qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev); in dwc3_qcom_probe()
832 if (qcom->mode == USB_DR_MODE_PERIPHERAL) in dwc3_qcom_probe()
840 device_init_wakeup(&pdev->dev, 1); in dwc3_qcom_probe()
841 qcom->is_suspended = false; in dwc3_qcom_probe()
852 of_platform_depopulate(&pdev->dev); in dwc3_qcom_probe()
856 for (i = qcom->num_clocks - 1; i >= 0; i--) { in dwc3_qcom_probe()
857 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_probe()
858 clk_put(qcom->clks[i]); in dwc3_qcom_probe()
861 reset_control_assert(qcom->resets); in dwc3_qcom_probe()
869 struct device *dev = &pdev->dev; in dwc3_qcom_remove()
872 device_remove_software_node(&qcom->dwc3->dev); in dwc3_qcom_remove()
875 for (i = qcom->num_clocks - 1; i >= 0; i--) { in dwc3_qcom_remove()
876 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_remove()
877 clk_put(qcom->clks[i]); in dwc3_qcom_remove()
879 qcom->num_clocks = 0; in dwc3_qcom_remove()
882 reset_control_assert(qcom->resets); in dwc3_qcom_remove()
897 qcom->pm_suspended = true; in dwc3_qcom_pm_suspend()
909 qcom->pm_suspended = false; in dwc3_qcom_pm_resume()
936 { .compatible = "qcom,msm8996-dwc3" },
937 { .compatible = "qcom,msm8998-dwc3" },
938 { .compatible = "qcom,sdm660-dwc3" },
939 { .compatible = "qcom,sdm845-dwc3" },
980 .name = "dwc3-qcom",