Lines Matching refs:qcom
118 static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
121 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,
123 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,
126 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,
128 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_HS_PHY_CTRL,
136 struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);
139 dwc3_qcom_vbus_override_enable(qcom, event);
140 qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;
148 struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);
151 dwc3_qcom_vbus_override_enable(qcom, !event);
152 qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;
157 static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom)
159 struct device *dev = qcom->dev;
166 qcom->edev = extcon_get_edev_by_phandle(dev, 0);
167 if (IS_ERR(qcom->edev))
168 return PTR_ERR(qcom->edev);
170 qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier;
172 qcom->host_edev = extcon_get_edev_by_phandle(dev, 1);
173 if (IS_ERR(qcom->host_edev))
174 qcom->host_edev = NULL;
176 ret = devm_extcon_register_notifier(dev, qcom->edev, EXTCON_USB,
177 &qcom->vbus_nb);
183 if (qcom->host_edev)
184 host_edev = qcom->host_edev;
186 host_edev = qcom->edev;
188 qcom->host_nb.notifier_call = dwc3_qcom_host_notifier;
190 &qcom->host_nb);
197 if (extcon_get_state(qcom->edev, EXTCON_USB) ||
199 dwc3_qcom_vbus_notifier(&qcom->vbus_nb, true, qcom->edev);
201 dwc3_qcom_vbus_notifier(&qcom->vbus_nb, false, qcom->edev);
206 static int dwc3_qcom_interconnect_enable(struct dwc3_qcom *qcom)
210 ret = icc_enable(qcom->icc_path_ddr);
214 ret = icc_enable(qcom->icc_path_apps);
216 icc_disable(qcom->icc_path_ddr);
221 static int dwc3_qcom_interconnect_disable(struct dwc3_qcom *qcom)
225 ret = icc_disable(qcom->icc_path_ddr);
229 ret = icc_disable(qcom->icc_path_apps);
231 icc_enable(qcom->icc_path_ddr);
239 * @qcom: Pointer to the concerned usb core.
242 static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom)
244 struct device *dev = qcom->dev;
250 qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");
251 if (IS_ERR(qcom->icc_path_ddr)) {
253 PTR_ERR(qcom->icc_path_ddr));
254 return PTR_ERR(qcom->icc_path_ddr);
257 qcom->icc_path_apps = of_icc_get(dev, "apps-usb");
258 if (IS_ERR(qcom->icc_path_apps)) {
260 PTR_ERR(qcom->icc_path_apps));
261 ret = PTR_ERR(qcom->icc_path_apps);
265 if (usb_get_maximum_speed(&qcom->dwc3->dev) >= USB_SPEED_SUPER ||
266 usb_get_maximum_speed(&qcom->dwc3->dev) == USB_SPEED_UNKNOWN)
267 ret = icc_set_bw(qcom->icc_path_ddr,
270 ret = icc_set_bw(qcom->icc_path_ddr,
278 ret = icc_set_bw(qcom->icc_path_apps,
288 icc_put(qcom->icc_path_apps);
290 icc_put(qcom->icc_path_ddr);
296 * @qcom: Pointer to the concerned usb core.
300 static void dwc3_qcom_interconnect_exit(struct dwc3_qcom *qcom)
302 icc_put(qcom->icc_path_ddr);
303 icc_put(qcom->icc_path_apps);
307 static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom)
314 dwc = platform_get_drvdata(qcom->dwc3);
323 static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
325 if (qcom->hs_phy_irq) {
326 disable_irq_wake(qcom->hs_phy_irq);
327 disable_irq_nosync(qcom->hs_phy_irq);
330 if (qcom->dp_hs_phy_irq) {
331 disable_irq_wake(qcom->dp_hs_phy_irq);
332 disable_irq_nosync(qcom->dp_hs_phy_irq);
335 if (qcom->dm_hs_phy_irq) {
336 disable_irq_wake(qcom->dm_hs_phy_irq);
337 disable_irq_nosync(qcom->dm_hs_phy_irq);
340 if (qcom->ss_phy_irq) {
341 disable_irq_wake(qcom->ss_phy_irq);
342 disable_irq_nosync(qcom->ss_phy_irq);
346 static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
348 if (qcom->hs_phy_irq) {
349 enable_irq(qcom->hs_phy_irq);
350 enable_irq_wake(qcom->hs_phy_irq);
353 if (qcom->dp_hs_phy_irq) {
354 enable_irq(qcom->dp_hs_phy_irq);
355 enable_irq_wake(qcom->dp_hs_phy_irq);
358 if (qcom->dm_hs_phy_irq) {
359 enable_irq(qcom->dm_hs_phy_irq);
360 enable_irq_wake(qcom->dm_hs_phy_irq);
363 if (qcom->ss_phy_irq) {
364 enable_irq(qcom->ss_phy_irq);
365 enable_irq_wake(qcom->ss_phy_irq);
369 static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
374 if (qcom->is_suspended)
377 val = readl(qcom->qscratch_base + PWR_EVNT_IRQ_STAT_REG);
379 dev_err(qcom->dev, "HS-PHY not in L2\n");
381 for (i = qcom->num_clocks - 1; i >= 0; i--)
382 clk_disable_unprepare(qcom->clks[i]);
384 ret = dwc3_qcom_interconnect_disable(qcom);
386 dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret);
388 if (device_may_wakeup(qcom->dev))
389 dwc3_qcom_enable_interrupts(qcom);
391 qcom->is_suspended = true;
396 static int dwc3_qcom_resume(struct dwc3_qcom *qcom)
401 if (!qcom->is_suspended)
404 if (device_may_wakeup(qcom->dev))
405 dwc3_qcom_disable_interrupts(qcom);
407 for (i = 0; i < qcom->num_clocks; i++) {
408 ret = clk_prepare_enable(qcom->clks[i]);
411 clk_disable_unprepare(qcom->clks[i]);
416 ret = dwc3_qcom_interconnect_enable(qcom);
418 dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret);
421 dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG,
424 qcom->is_suspended = false;
431 struct dwc3_qcom *qcom = data;
432 struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
435 if (qcom->pm_suspended)
442 if (dwc3_qcom_is_host(qcom))
448 static void dwc3_qcom_select_utmi_clk(struct dwc3_qcom *qcom)
451 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,
456 dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,
461 dwc3_qcom_clrbits(qcom->qscratch_base, QSCRATCH_GENERAL_CFG,
468 struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
469 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev;
483 struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
484 const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata;
493 ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
496 "qcom_dwc3 HS", qcom);
498 dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);
501 qcom->hs_phy_irq = irq;
508 ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
511 "qcom_dwc3 DP_HS", qcom);
513 dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);
516 qcom->dp_hs_phy_irq = irq;
523 ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
526 "qcom_dwc3 DM_HS", qcom);
528 dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);
531 qcom->dm_hs_phy_irq = irq;
538 ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
541 "qcom_dwc3 SS", qcom);
543 dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);
546 qcom->ss_phy_irq = irq;
552 static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count)
554 struct device *dev = qcom->dev;
564 qcom->num_clocks = count;
566 qcom->clks = devm_kcalloc(dev, qcom->num_clocks,
568 if (!qcom->clks)
571 for (i = 0; i < qcom->num_clocks; i++) {
578 clk_put(qcom->clks[i]);
585 clk_disable_unprepare(qcom->clks[i]);
586 clk_put(qcom->clks[i]);
593 qcom->clks[i] = clk;
606 struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
609 struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb :
614 qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
615 if (!qcom->dwc3)
618 qcom->dwc3->dev.parent = dev;
619 qcom->dwc3->dev.type = dev->type;
620 qcom->dwc3->dev.dma_mask = dev->dma_mask;
621 qcom->dwc3->dev.dma_parms = dev->dma_parms;
622 qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask;
626 platform_device_put(qcom->dwc3);
640 qcom->acpi_pdata->dwc3_core_base_size;
650 ret = platform_device_add_resources(qcom->dwc3, child_res, 2);
656 ret = platform_device_add_properties(qcom->dwc3,
663 ret = platform_device_add(qcom->dwc3);
672 platform_device_put(qcom->dwc3);
679 struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
696 qcom->dwc3 = of_find_device_by_node(dwc3_np);
697 if (!qcom->dwc3) {
757 struct dwc3_qcom *qcom;
763 qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL);
764 if (!qcom)
767 platform_set_drvdata(pdev, qcom);
768 qcom->dev = &pdev->dev;
771 qcom->acpi_pdata = acpi_device_get_match_data(dev);
772 if (!qcom->acpi_pdata) {
778 qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);
779 if (IS_ERR(qcom->resets)) {
780 ret = PTR_ERR(qcom->resets);
785 ret = reset_control_assert(qcom->resets);
793 ret = reset_control_deassert(qcom->resets);
799 ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np));
814 qcom->acpi_pdata->qscratch_base_offset;
816 qcom->acpi_pdata->qscratch_base_size;
818 if (qcom->acpi_pdata->is_urs) {
819 qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev);
820 if (IS_ERR_OR_NULL(qcom->urs_usb)) {
822 if (!qcom->urs_usb)
825 ret = PTR_ERR(qcom->urs_usb);
831 qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);
832 if (IS_ERR(qcom->qscratch_base)) {
834 ret = PTR_ERR(qcom->qscratch_base);
849 "qcom,select-utmi-as-pipe-clk");
851 dwc3_qcom_select_utmi_clk(qcom);
863 ret = dwc3_qcom_interconnect_init(qcom);
867 qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
870 if (qcom->mode != USB_DR_MODE_HOST)
871 dwc3_qcom_vbus_override_enable(qcom, true);
874 ret = dwc3_qcom_register_extcon(qcom);
879 qcom->is_suspended = false;
887 dwc3_qcom_interconnect_exit(qcom);
892 platform_device_del(qcom->dwc3);
893 platform_device_put(qcom->dwc3);
895 if (qcom->urs_usb)
896 dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
898 for (i = qcom->num_clocks - 1; i >= 0; i--) {
899 clk_disable_unprepare(qcom->clks[i]);
900 clk_put(qcom->clks[i]);
903 reset_control_assert(qcom->resets);
910 struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
918 platform_device_del(qcom->dwc3);
919 platform_device_put(qcom->dwc3);
921 if (qcom->urs_usb)
922 dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
924 for (i = qcom->num_clocks - 1; i >= 0; i--) {
925 clk_disable_unprepare(qcom->clks[i]);
926 clk_put(qcom->clks[i]);
928 qcom->num_clocks = 0;
930 dwc3_qcom_interconnect_exit(qcom);
931 reset_control_assert(qcom->resets);
941 struct dwc3_qcom *qcom = dev_get_drvdata(dev);
944 ret = dwc3_qcom_suspend(qcom);
946 qcom->pm_suspended = true;
953 struct dwc3_qcom *qcom = dev_get_drvdata(dev);
956 ret = dwc3_qcom_resume(qcom);
958 qcom->pm_suspended = false;
965 struct dwc3_qcom *qcom = dev_get_drvdata(dev);
967 return dwc3_qcom_suspend(qcom);
972 struct dwc3_qcom *qcom = dev_get_drvdata(dev);
974 return dwc3_qcom_resume(qcom);
984 { .compatible = "qcom,dwc3" },
985 { .compatible = "qcom,msm8996-dwc3" },
986 { .compatible = "qcom,msm8998-dwc3" },
987 { .compatible = "qcom,sdm845-dwc3" },
1028 .name = "dwc3-qcom",