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
25 	struct dwc3		dwc;
45 	struct device *dev = dwc3g->dev;  in dwc3_eic7700_init()
52 	regmap = syscon_regmap_lookup_by_phandle_args(dev->of_node,  in dwc3_eic7700_init()
53 						      "eswin,hsp-sp-csr",  in dwc3_eic7700_init()
56 		dev_err(dev, "No hsp-sp-csr phandle specified\n");  in dwc3_eic7700_init()
76 	struct device *dev = &pdev->dev;  in dwc3_generic_probe()
83 		return -ENOMEM;  in dwc3_generic_probe()
85 	dwc3g->dev = dev;  in dwc3_generic_probe()
89 		dev_err(&pdev->dev, "missing memory resource\n");  in dwc3_generic_probe()
90 		return -ENODEV;  in dwc3_generic_probe()
93 	dwc3g->resets = devm_reset_control_array_get_optional_exclusive(dev);  in dwc3_generic_probe()
94 	if (IS_ERR(dwc3g->resets))  in dwc3_generic_probe()
95 		return dev_err_probe(dev, PTR_ERR(dwc3g->resets), "failed to get resets\n");  in dwc3_generic_probe()
97 	ret = reset_control_assert(dwc3g->resets);  in dwc3_generic_probe()
104 	ret = reset_control_deassert(dwc3g->resets);  in dwc3_generic_probe()
108 	ret = devm_add_action_or_reset(dev, dwc3_generic_reset_control_assert, dwc3g->resets);  in dwc3_generic_probe()
112 	ret = devm_clk_bulk_get_all_enabled(dwc3g->dev, &dwc3g->clks);  in dwc3_generic_probe()
116 	dwc3g->num_clocks = ret;  in dwc3_generic_probe()
117 	dwc3g->dwc.dev = dev;  in dwc3_generic_probe()
118 	probe_data.dwc = &dwc3g->dwc;  in dwc3_generic_probe()
128 	probe_data.properties = plat_config->properties;  in dwc3_generic_probe()
129 	if (plat_config->init) {  in dwc3_generic_probe()
130 		ret = plat_config->init(dwc3g);  in dwc3_generic_probe()
139 		return dev_err_probe(dev, ret, "failed to register DWC3 Core\n");  in dwc3_generic_probe()
146 	struct dwc3 *dwc = platform_get_drvdata(pdev);  in dwc3_generic_remove()
153 	struct dwc3 *dwc = dev_get_drvdata(dev);  in dwc3_generic_suspend()
161 	clk_bulk_disable_unprepare(dwc3g->num_clocks, dwc3g->clks);  in dwc3_generic_suspend()
168 	struct dwc3 *dwc = dev_get_drvdata(dev);  in dwc3_generic_resume()
172 	ret = clk_bulk_prepare_enable(dwc3g->num_clocks, dwc3g->clks);  in dwc3_generic_resume()
214 	{ .compatible = "spacemit,k1-dwc3", },
215 	{ .compatible = "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3},
216 	{ .compatible = "eswin,eic7700-dwc3", &eic7700_dwc3},
225 		.name	= "dwc3-generic-plat",