Lines Matching full:qcom
118 static void dwc3_qcom_vbus_overrride_enable(struct dwc3_qcom *qcom, bool enable) in dwc3_qcom_vbus_overrride_enable() argument
121 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL, in dwc3_qcom_vbus_overrride_enable()
123 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL, in dwc3_qcom_vbus_overrride_enable()
126 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL, in dwc3_qcom_vbus_overrride_enable()
128 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL, in dwc3_qcom_vbus_overrride_enable()
136 struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb); in dwc3_qcom_vbus_notifier() local
139 dwc3_qcom_vbus_overrride_enable(qcom, event); in dwc3_qcom_vbus_notifier()
140 qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST; in dwc3_qcom_vbus_notifier()
148 struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb); in dwc3_qcom_host_notifier() local
151 dwc3_qcom_vbus_overrride_enable(qcom, !event); in dwc3_qcom_host_notifier()
152 qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL; in dwc3_qcom_host_notifier()
157 static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom) in dwc3_qcom_register_extcon() argument
159 struct device *dev = qcom->dev; 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()
206 static int dwc3_qcom_interconnect_enable(struct dwc3_qcom *qcom) in dwc3_qcom_interconnect_enable() argument
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()
221 static int dwc3_qcom_interconnect_disable(struct dwc3_qcom *qcom) in dwc3_qcom_interconnect_disable() argument
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()
239 * @qcom: Pointer to the concerned usb core.
242 static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom) in dwc3_qcom_interconnect_init() argument
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()
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()
260 PTR_ERR(qcom->icc_path_apps)); in dwc3_qcom_interconnect_init()
261 ret = PTR_ERR(qcom->icc_path_apps); in dwc3_qcom_interconnect_init()
265 if (usb_get_maximum_speed(&qcom->dwc3->dev) >= USB_SPEED_SUPER || in dwc3_qcom_interconnect_init()
266 usb_get_maximum_speed(&qcom->dwc3->dev) == USB_SPEED_UNKNOWN) in dwc3_qcom_interconnect_init()
267 ret = icc_set_bw(qcom->icc_path_ddr, in dwc3_qcom_interconnect_init()
270 ret = icc_set_bw(qcom->icc_path_ddr, in dwc3_qcom_interconnect_init()
278 ret = icc_set_bw(qcom->icc_path_apps, in dwc3_qcom_interconnect_init()
288 icc_put(qcom->icc_path_apps); in dwc3_qcom_interconnect_init()
290 icc_put(qcom->icc_path_ddr); in dwc3_qcom_interconnect_init()
296 * @qcom: Pointer to the concerned usb core.
300 static void dwc3_qcom_interconnect_exit(struct dwc3_qcom *qcom) in dwc3_qcom_interconnect_exit() argument
302 icc_put(qcom->icc_path_ddr); in dwc3_qcom_interconnect_exit()
303 icc_put(qcom->icc_path_apps); in dwc3_qcom_interconnect_exit()
307 static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom) in dwc3_qcom_is_host() argument
309 struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); in dwc3_qcom_is_host()
314 static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom) in dwc3_qcom_disable_interrupts() argument
316 if (qcom->hs_phy_irq) { in dwc3_qcom_disable_interrupts()
317 disable_irq_wake(qcom->hs_phy_irq); in dwc3_qcom_disable_interrupts()
318 disable_irq_nosync(qcom->hs_phy_irq); in dwc3_qcom_disable_interrupts()
321 if (qcom->dp_hs_phy_irq) { in dwc3_qcom_disable_interrupts()
322 disable_irq_wake(qcom->dp_hs_phy_irq); in dwc3_qcom_disable_interrupts()
323 disable_irq_nosync(qcom->dp_hs_phy_irq); in dwc3_qcom_disable_interrupts()
326 if (qcom->dm_hs_phy_irq) { in dwc3_qcom_disable_interrupts()
327 disable_irq_wake(qcom->dm_hs_phy_irq); in dwc3_qcom_disable_interrupts()
328 disable_irq_nosync(qcom->dm_hs_phy_irq); in dwc3_qcom_disable_interrupts()
331 if (qcom->ss_phy_irq) { in dwc3_qcom_disable_interrupts()
332 disable_irq_wake(qcom->ss_phy_irq); in dwc3_qcom_disable_interrupts()
333 disable_irq_nosync(qcom->ss_phy_irq); in dwc3_qcom_disable_interrupts()
337 static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom) in dwc3_qcom_enable_interrupts() argument
339 if (qcom->hs_phy_irq) { in dwc3_qcom_enable_interrupts()
340 enable_irq(qcom->hs_phy_irq); in dwc3_qcom_enable_interrupts()
341 enable_irq_wake(qcom->hs_phy_irq); in dwc3_qcom_enable_interrupts()
344 if (qcom->dp_hs_phy_irq) { in dwc3_qcom_enable_interrupts()
345 enable_irq(qcom->dp_hs_phy_irq); in dwc3_qcom_enable_interrupts()
346 enable_irq_wake(qcom->dp_hs_phy_irq); in dwc3_qcom_enable_interrupts()
349 if (qcom->dm_hs_phy_irq) { in dwc3_qcom_enable_interrupts()
350 enable_irq(qcom->dm_hs_phy_irq); in dwc3_qcom_enable_interrupts()
351 enable_irq_wake(qcom->dm_hs_phy_irq); in dwc3_qcom_enable_interrupts()
354 if (qcom->ss_phy_irq) { in dwc3_qcom_enable_interrupts()
355 enable_irq(qcom->ss_phy_irq); in dwc3_qcom_enable_interrupts()
356 enable_irq_wake(qcom->ss_phy_irq); in dwc3_qcom_enable_interrupts()
360 static int dwc3_qcom_suspend(struct dwc3_qcom *qcom) in dwc3_qcom_suspend() argument
365 if (qcom->is_suspended) in dwc3_qcom_suspend()
368 val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG); in dwc3_qcom_suspend()
370 dev_err(qcom->dev, "HS-PHY not in L2\n"); in dwc3_qcom_suspend()
372 for (i = qcom->num_clocks - 1; i >= 0; i--) in dwc3_qcom_suspend()
373 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_suspend()
375 ret = dwc3_qcom_interconnect_disable(qcom); in dwc3_qcom_suspend()
377 dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret); in dwc3_qcom_suspend()
379 if (device_may_wakeup(qcom->dev)) in dwc3_qcom_suspend()
380 dwc3_qcom_enable_interrupts(qcom); in dwc3_qcom_suspend()
382 qcom->is_suspended = true; in dwc3_qcom_suspend()
387 static int dwc3_qcom_resume(struct dwc3_qcom *qcom) in dwc3_qcom_resume() argument
392 if (!qcom->is_suspended) in dwc3_qcom_resume()
395 if (device_may_wakeup(qcom->dev)) in dwc3_qcom_resume()
396 dwc3_qcom_disable_interrupts(qcom); in dwc3_qcom_resume()
398 for (i = 0; i < qcom->num_clocks; i++) { in dwc3_qcom_resume()
399 ret = clk_prepare_enable(qcom->clks[i]); in dwc3_qcom_resume()
402 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_resume()
407 ret = dwc3_qcom_interconnect_enable(qcom); in dwc3_qcom_resume()
409 dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret); in dwc3_qcom_resume()
412 dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG, in dwc3_qcom_resume()
415 qcom->is_suspended = false; in dwc3_qcom_resume()
422 struct dwc3_qcom *qcom = data; in qcom_dwc3_resume_irq() local
423 struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); in qcom_dwc3_resume_irq()
426 if (qcom->pm_suspended) in qcom_dwc3_resume_irq()
433 if (dwc3_qcom_is_host(qcom)) in qcom_dwc3_resume_irq()
439 static void dwc3_qcom_select_utmi_clk(struct dwc3_qcom *qcom) in dwc3_qcom_select_utmi_clk() argument
442 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
447 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
452 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG, in dwc3_qcom_select_utmi_clk()
459 struct dwc3_qcom *qcom = platform_get_drvdata(pdev); in dwc3_qcom_get_irq() local
460 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev; in dwc3_qcom_get_irq()
474 struct dwc3_qcom *qcom = platform_get_drvdata(pdev); in dwc3_qcom_setup_irq() local
475 const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata; in dwc3_qcom_setup_irq()
484 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
487 "qcom_dwc3 HS", qcom); in dwc3_qcom_setup_irq()
489 dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
492 qcom->hs_phy_irq = irq; in dwc3_qcom_setup_irq()
499 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
502 "qcom_dwc3 DP_HS", qcom); in dwc3_qcom_setup_irq()
504 dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
507 qcom->dp_hs_phy_irq = irq; in dwc3_qcom_setup_irq()
514 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
517 "qcom_dwc3 DM_HS", qcom); in dwc3_qcom_setup_irq()
519 dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
522 qcom->dm_hs_phy_irq = irq; in dwc3_qcom_setup_irq()
529 ret = devm_request_threaded_irq(qcom->dev, irq, NULL, in dwc3_qcom_setup_irq()
532 "qcom_dwc3 SS", qcom); in dwc3_qcom_setup_irq()
534 dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret); in dwc3_qcom_setup_irq()
537 qcom->ss_phy_irq = irq; in dwc3_qcom_setup_irq()
543 static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count) in dwc3_qcom_clk_init() argument
545 struct device *dev = qcom->dev; in dwc3_qcom_clk_init()
555 qcom->num_clocks = count; in dwc3_qcom_clk_init()
557 qcom->clks = devm_kcalloc(dev, qcom->num_clocks, in dwc3_qcom_clk_init()
559 if (!qcom->clks) in dwc3_qcom_clk_init()
562 for (i = 0; i < qcom->num_clocks; i++) { in dwc3_qcom_clk_init()
569 clk_put(qcom->clks[i]); in dwc3_qcom_clk_init()
576 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_clk_init()
577 clk_put(qcom->clks[i]); in dwc3_qcom_clk_init()
584 qcom->clks[i] = clk; in dwc3_qcom_clk_init()
597 struct dwc3_qcom *qcom = platform_get_drvdata(pdev); in dwc3_qcom_acpi_register_core() local
600 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : in dwc3_qcom_acpi_register_core()
605 qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); in dwc3_qcom_acpi_register_core()
606 if (!qcom->dwc3) in dwc3_qcom_acpi_register_core()
609 qcom->dwc3->dev.parent = dev; in dwc3_qcom_acpi_register_core()
610 qcom->dwc3->dev.type = dev->type; in dwc3_qcom_acpi_register_core()
611 qcom->dwc3->dev.dma_mask = dev->dma_mask; in dwc3_qcom_acpi_register_core()
612 qcom->dwc3->dev.dma_parms = dev->dma_parms; in dwc3_qcom_acpi_register_core()
613 qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask; in dwc3_qcom_acpi_register_core()
617 platform_device_put(qcom->dwc3); in dwc3_qcom_acpi_register_core()
631 qcom->acpi_pdata->dwc3_core_base_size; in dwc3_qcom_acpi_register_core()
641 ret = platform_device_add_resources(qcom->dwc3, child_res, 2); in dwc3_qcom_acpi_register_core()
647 ret = platform_device_add_properties(qcom->dwc3, in dwc3_qcom_acpi_register_core()
654 ret = platform_device_add(qcom->dwc3); in dwc3_qcom_acpi_register_core()
663 platform_device_put(qcom->dwc3); in dwc3_qcom_acpi_register_core()
670 struct dwc3_qcom *qcom = platform_get_drvdata(pdev); in dwc3_qcom_of_register_core() local
687 qcom->dwc3 = of_find_device_by_node(dwc3_np); in dwc3_qcom_of_register_core()
688 if (!qcom->dwc3) { in dwc3_qcom_of_register_core()
730 struct dwc3_qcom *qcom; in dwc3_qcom_probe() local
735 qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL); in dwc3_qcom_probe()
736 if (!qcom) in dwc3_qcom_probe()
739 platform_set_drvdata(pdev, qcom); in dwc3_qcom_probe()
740 qcom->dev = &pdev->dev; in dwc3_qcom_probe()
743 qcom->acpi_pdata = acpi_device_get_match_data(dev); in dwc3_qcom_probe()
744 if (!qcom->acpi_pdata) { in dwc3_qcom_probe()
750 qcom->resets = devm_reset_control_array_get_optional_exclusive(dev); in dwc3_qcom_probe()
751 if (IS_ERR(qcom->resets)) { in dwc3_qcom_probe()
752 ret = PTR_ERR(qcom->resets); in dwc3_qcom_probe()
757 ret = reset_control_assert(qcom->resets); in dwc3_qcom_probe()
765 ret = reset_control_deassert(qcom->resets); in dwc3_qcom_probe()
771 ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np)); in dwc3_qcom_probe()
787 qcom->acpi_pdata->qscratch_base_offset; in dwc3_qcom_probe()
789 qcom->acpi_pdata->qscratch_base_size; in dwc3_qcom_probe()
791 if (qcom->acpi_pdata->is_urs) { in dwc3_qcom_probe()
792 qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev); in dwc3_qcom_probe()
793 if (IS_ERR_OR_NULL(qcom->urs_usb)) { in dwc3_qcom_probe()
795 if (!qcom->urs_usb) in dwc3_qcom_probe()
798 return PTR_ERR(qcom->urs_usb); in dwc3_qcom_probe()
803 qcom->qscratch_base = devm_ioremap_resource(dev, parent_res); in dwc3_qcom_probe()
804 if (IS_ERR(qcom->qscratch_base)) { in dwc3_qcom_probe()
806 ret = PTR_ERR(qcom->qscratch_base); in dwc3_qcom_probe()
821 "qcom,select-utmi-as-pipe-clk"); in dwc3_qcom_probe()
823 dwc3_qcom_select_utmi_clk(qcom); in dwc3_qcom_probe()
835 ret = dwc3_qcom_interconnect_init(qcom); in dwc3_qcom_probe()
839 qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev); in dwc3_qcom_probe()
842 if (qcom->mode == USB_DR_MODE_PERIPHERAL) in dwc3_qcom_probe()
843 dwc3_qcom_vbus_overrride_enable(qcom, true); in dwc3_qcom_probe()
846 ret = dwc3_qcom_register_extcon(qcom); in dwc3_qcom_probe()
851 qcom->is_suspended = false; in dwc3_qcom_probe()
859 dwc3_qcom_interconnect_exit(qcom); in dwc3_qcom_probe()
866 for (i = qcom->num_clocks - 1; i >= 0; i--) { in dwc3_qcom_probe()
867 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_probe()
868 clk_put(qcom->clks[i]); in dwc3_qcom_probe()
871 reset_control_assert(qcom->resets); in dwc3_qcom_probe()
878 struct dwc3_qcom *qcom = platform_get_drvdata(pdev); in dwc3_qcom_remove() local
884 for (i = qcom->num_clocks - 1; i >= 0; i--) { in dwc3_qcom_remove()
885 clk_disable_unprepare(qcom->clks[i]); in dwc3_qcom_remove()
886 clk_put(qcom->clks[i]); in dwc3_qcom_remove()
888 qcom->num_clocks = 0; in dwc3_qcom_remove()
890 dwc3_qcom_interconnect_exit(qcom); in dwc3_qcom_remove()
891 reset_control_assert(qcom->resets); in dwc3_qcom_remove()
901 struct dwc3_qcom *qcom = dev_get_drvdata(dev); in dwc3_qcom_pm_suspend() local
904 ret = dwc3_qcom_suspend(qcom); in dwc3_qcom_pm_suspend()
906 qcom->pm_suspended = true; in dwc3_qcom_pm_suspend()
913 struct dwc3_qcom *qcom = dev_get_drvdata(dev); in dwc3_qcom_pm_resume() local
916 ret = dwc3_qcom_resume(qcom); in dwc3_qcom_pm_resume()
918 qcom->pm_suspended = false; in dwc3_qcom_pm_resume()
925 struct dwc3_qcom *qcom = dev_get_drvdata(dev); in dwc3_qcom_runtime_suspend() local
927 return dwc3_qcom_suspend(qcom); in dwc3_qcom_runtime_suspend()
932 struct dwc3_qcom *qcom = dev_get_drvdata(dev); in dwc3_qcom_runtime_resume() local
934 return dwc3_qcom_resume(qcom); in dwc3_qcom_runtime_resume()
944 { .compatible = "qcom,dwc3" },
945 { .compatible = "qcom,msm8996-dwc3" },
946 { .compatible = "qcom,msm8998-dwc3" },
947 { .compatible = "qcom,sdm845-dwc3" },
988 .name = "dwc3-qcom",
998 MODULE_DESCRIPTION("DesignWare DWC3 QCOM Glue Driver");