118 static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data)  in st_dwc3_drd_init()  argument
123 	err = regmap_read(dwc3_data->regmap, dwc3_data->syscfg_reg_off, &val);  in st_dwc3_drd_init()
129 	switch (dwc3_data->dr_mode) {  in st_dwc3_drd_init()
139 		dev_dbg(dwc3_data->dev, "Configuring as Device\n");  in st_dwc3_drd_init()
158 		dev_dbg(dwc3_data->dev, "Configuring as Host\n");  in st_dwc3_drd_init()
162 		dev_err(dwc3_data->dev, "Unsupported mode of operation %d\n",  in st_dwc3_drd_init()
163 			dwc3_data->dr_mode);  in st_dwc3_drd_init()
167 	return regmap_write(dwc3_data->regmap, dwc3_data->syscfg_reg_off, val);  in st_dwc3_drd_init()
174 static void st_dwc3_init(struct st_dwc3 *dwc3_data)  in st_dwc3_init()  argument
176 	u32 reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL);  in st_dwc3_init()
180 	st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg);  in st_dwc3_init()
183 	reg = st_dwc3_readl(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1);  in st_dwc3_init()
189 	st_dwc3_writel(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1, reg);  in st_dwc3_init()
191 	reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL);  in st_dwc3_init()
193 	st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg);  in st_dwc3_init()
198 	struct st_dwc3 *dwc3_data;  in st_dwc3_probe()  local
205 	dwc3_data = devm_kzalloc(dev, sizeof(*dwc3_data), GFP_KERNEL);  in st_dwc3_probe()
206 	if (!dwc3_data)  in st_dwc3_probe()
210 	dwc3_data->glue_base = devm_ioremap_resource(dev, res);  in st_dwc3_probe()
211 	if (IS_ERR(dwc3_data->glue_base))  in st_dwc3_probe()
212 		return PTR_ERR(dwc3_data->glue_base);  in st_dwc3_probe()
219 	dwc3_data->dev = dev;  in st_dwc3_probe()
220 	dwc3_data->regmap = regmap;  in st_dwc3_probe()
228 	dwc3_data->syscfg_reg_off = res->start;  in st_dwc3_probe()
231 		 dwc3_data->glue_base, dwc3_data->syscfg_reg_off);  in st_dwc3_probe()
233 	dwc3_data->rstc_pwrdn = devm_reset_control_get(dev, "powerdown");  in st_dwc3_probe()
234 	if (IS_ERR(dwc3_data->rstc_pwrdn)) {  in st_dwc3_probe()
236 		ret = PTR_ERR(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
241 	reset_control_deassert(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
243 	dwc3_data->rstc_rst = devm_reset_control_get(dev, "softreset");  in st_dwc3_probe()
244 	if (IS_ERR(dwc3_data->rstc_rst)) {  in st_dwc3_probe()
246 		ret = PTR_ERR(dwc3_data->rstc_rst);  in st_dwc3_probe()
251 	reset_control_deassert(dwc3_data->rstc_rst);  in st_dwc3_probe()
260 	dwc3_data->dr_mode = of_usb_get_dr_mode(child);  in st_dwc3_probe()
275 	ret = st_dwc3_drd_init(dwc3_data);  in st_dwc3_probe()
282 	st_dwc3_init(dwc3_data);  in st_dwc3_probe()
284 	platform_set_drvdata(pdev, dwc3_data);  in st_dwc3_probe()
288 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_probe()
290 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
298 	struct st_dwc3 *dwc3_data = platform_get_drvdata(pdev);  in st_dwc3_remove()  local
302 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_remove()
303 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_remove()
311 	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);  in st_dwc3_suspend()  local
313 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_suspend()
314 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_suspend()
323 	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);  in st_dwc3_resume()  local
328 	reset_control_deassert(dwc3_data->rstc_pwrdn);  in st_dwc3_resume()
329 	reset_control_deassert(dwc3_data->rstc_rst);  in st_dwc3_resume()
331 	ret = st_dwc3_drd_init(dwc3_data);  in st_dwc3_resume()
338 	st_dwc3_init(dwc3_data);  in st_dwc3_resume()