1 // SPDX-License-Identifier: GPL-2.0-only
3  * dwc3-generic-plat.c - DesignWare USB3 generic platform driver
7  * Inspired by dwc3-qcom.c and dwc3-of-simple.c
20 	struct reset_control	*resets;  member
33 	struct device *dev = &pdev->dev;  in dwc3_generic_probe()
40 		return -ENOMEM;  in dwc3_generic_probe()
42 	dwc3g->dev = dev;  in dwc3_generic_probe()
46 		dev_err(&pdev->dev, "missing memory resource\n");  in dwc3_generic_probe()
47 		return -ENODEV;  in dwc3_generic_probe()
50 	dwc3g->resets = devm_reset_control_array_get_optional_exclusive(dev);  in dwc3_generic_probe()
51 	if (IS_ERR(dwc3g->resets))  in dwc3_generic_probe()
52 		return dev_err_probe(dev, PTR_ERR(dwc3g->resets), "failed to get resets\n");  in dwc3_generic_probe()
54 	ret = reset_control_assert(dwc3g->resets);  in dwc3_generic_probe()
56 		return dev_err_probe(dev, ret, "failed to assert resets\n");  in dwc3_generic_probe()
61 	ret = reset_control_deassert(dwc3g->resets);  in dwc3_generic_probe()
63 		return dev_err_probe(dev, ret, "failed to deassert resets\n");  in dwc3_generic_probe()
65 	ret = devm_add_action_or_reset(dev, dwc3_generic_reset_control_assert, dwc3g->resets);  in dwc3_generic_probe()
69 	ret = devm_clk_bulk_get_all_enabled(dwc3g->dev, &dwc3g->clks);  in dwc3_generic_probe()
73 	dwc3g->num_clocks = ret;  in dwc3_generic_probe()
74 	dwc3g->dwc.dev = dev;  in dwc3_generic_probe()
75 	probe_data.dwc = &dwc3g->dwc;  in dwc3_generic_probe()
102 	clk_bulk_disable_unprepare(dwc3g->num_clocks, dwc3g->clks);  in dwc3_generic_suspend()
113 	ret = clk_bulk_prepare_enable(dwc3g->num_clocks, dwc3g->clks);  in dwc3_generic_resume()
146 	{ .compatible = "spacemit,k1-dwc3", },
155 		.name	= "dwc3-generic-plat",