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()
158 		dev_err(dwc3_data->dev, "Unsupported mode of operation %d\n",  in st_dwc3_drd_init()
159 			dwc3_data->dr_mode);  in st_dwc3_drd_init()
163 	return regmap_write(dwc3_data->regmap, dwc3_data->syscfg_reg_off, val);  in st_dwc3_drd_init()
170 static void st_dwc3_init(struct st_dwc3 *dwc3_data)  in st_dwc3_init()  argument
172 	u32 reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL);  in st_dwc3_init()
176 	st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg);  in st_dwc3_init()
179 	reg = st_dwc3_readl(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1);  in st_dwc3_init()
185 	st_dwc3_writel(dwc3_data->glue_base, USB2_VBUS_MNGMNT_SEL1, reg);  in st_dwc3_init()
187 	reg = st_dwc3_readl(dwc3_data->glue_base, CLKRST_CTRL);  in st_dwc3_init()
189 	st_dwc3_writel(dwc3_data->glue_base, CLKRST_CTRL, reg);  in st_dwc3_init()
194 	struct st_dwc3 *dwc3_data;  in st_dwc3_probe()  local
202 	dwc3_data = devm_kzalloc(dev, sizeof(*dwc3_data), GFP_KERNEL);  in st_dwc3_probe()
203 	if (!dwc3_data)  in st_dwc3_probe()
207 	dwc3_data->glue_base = devm_ioremap_resource(dev, res);  in st_dwc3_probe()
208 	if (IS_ERR(dwc3_data->glue_base))  in st_dwc3_probe()
209 		return PTR_ERR(dwc3_data->glue_base);  in st_dwc3_probe()
216 	dwc3_data->dev = dev;  in st_dwc3_probe()
217 	dwc3_data->regmap = regmap;  in st_dwc3_probe()
225 	dwc3_data->syscfg_reg_off = res->start;  in st_dwc3_probe()
228 		 dwc3_data->glue_base, dwc3_data->syscfg_reg_off);  in st_dwc3_probe()
230 	dwc3_data->rstc_pwrdn = devm_reset_control_get(dev, "powerdown");  in st_dwc3_probe()
231 	if (IS_ERR(dwc3_data->rstc_pwrdn)) {  in st_dwc3_probe()
233 		ret = PTR_ERR(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
238 	reset_control_deassert(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
240 	dwc3_data->rstc_rst = devm_reset_control_get(dev, "softreset");  in st_dwc3_probe()
241 	if (IS_ERR(dwc3_data->rstc_rst)) {  in st_dwc3_probe()
243 		ret = PTR_ERR(dwc3_data->rstc_rst);  in st_dwc3_probe()
248 	reset_control_deassert(dwc3_data->rstc_rst);  in st_dwc3_probe()
271 	dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev);  in st_dwc3_probe()
279 	ret = st_dwc3_drd_init(dwc3_data);  in st_dwc3_probe()
286 	st_dwc3_init(dwc3_data);  in st_dwc3_probe()
288 	platform_set_drvdata(pdev, dwc3_data);  in st_dwc3_probe()
292 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_probe()
294 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_probe()
302 	struct st_dwc3 *dwc3_data = platform_get_drvdata(pdev);  in st_dwc3_remove()  local
306 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_remove()
307 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_remove()
315 	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);  in st_dwc3_suspend()  local
317 	reset_control_assert(dwc3_data->rstc_pwrdn);  in st_dwc3_suspend()
318 	reset_control_assert(dwc3_data->rstc_rst);  in st_dwc3_suspend()
327 	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);  in st_dwc3_resume()  local
332 	reset_control_deassert(dwc3_data->rstc_pwrdn);  in st_dwc3_resume()
333 	reset_control_deassert(dwc3_data->rstc_rst);  in st_dwc3_resume()
335 	ret = st_dwc3_drd_init(dwc3_data);  in st_dwc3_resume()
342 	st_dwc3_init(dwc3_data);  in st_dwc3_resume()