64 static void imx8mp_configure_glue(struct dwc3_imx8mp *dwc3_imx)  in imx8mp_configure_glue()  argument
66 	struct device *dev = dwc3_imx->dev;  in imx8mp_configure_glue()
69 	if (!dwc3_imx->glue_base)  in imx8mp_configure_glue()
72 	value = readl(dwc3_imx->glue_base + USB_CTRL0);  in imx8mp_configure_glue()
84 	writel(value, dwc3_imx->glue_base + USB_CTRL0);  in imx8mp_configure_glue()
86 	value = readl(dwc3_imx->glue_base + USB_CTRL1);  in imx8mp_configure_glue()
97 	writel(value, dwc3_imx->glue_base + USB_CTRL1);  in imx8mp_configure_glue()
100 static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx,  in dwc3_imx8mp_wakeup_enable()  argument
103 	struct dwc3	*dwc3 = platform_get_drvdata(dwc3_imx->dwc3);  in dwc3_imx8mp_wakeup_enable()
109 	val = readl(dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL);  in dwc3_imx8mp_wakeup_enable()
120 	writel(val, dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL);  in dwc3_imx8mp_wakeup_enable()
123 static void dwc3_imx8mp_wakeup_disable(struct dwc3_imx8mp *dwc3_imx)  in dwc3_imx8mp_wakeup_disable()  argument
127 	val = readl(dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL);  in dwc3_imx8mp_wakeup_disable()
129 	writel(val, dwc3_imx->hsio_blk_base + USB_WAKEUP_CTRL);  in dwc3_imx8mp_wakeup_disable()
134 	struct dwc3_imx8mp	*dwc3_imx = _dwc3_imx;  in dwc3_imx8mp_interrupt()  local
135 	struct dwc3		*dwc = platform_get_drvdata(dwc3_imx->dwc3);  in dwc3_imx8mp_interrupt()
137 	if (!dwc3_imx->pm_suspended)  in dwc3_imx8mp_interrupt()
140 	disable_irq_nosync(dwc3_imx->irq);  in dwc3_imx8mp_interrupt()
141 	dwc3_imx->wakeup_pending = true;  in dwc3_imx8mp_interrupt()
166 	struct dwc3_imx8mp	*dwc3_imx;  in dwc3_imx8mp_probe()  local
175 	dwc3_imx = devm_kzalloc(dev, sizeof(*dwc3_imx), GFP_KERNEL);  in dwc3_imx8mp_probe()
176 	if (!dwc3_imx)  in dwc3_imx8mp_probe()
179 	platform_set_drvdata(pdev, dwc3_imx);  in dwc3_imx8mp_probe()
181 	dwc3_imx->dev = dev;  in dwc3_imx8mp_probe()
183 	dwc3_imx->hsio_blk_base = devm_platform_ioremap_resource(pdev, 0);  in dwc3_imx8mp_probe()
184 	if (IS_ERR(dwc3_imx->hsio_blk_base))  in dwc3_imx8mp_probe()
185 		return PTR_ERR(dwc3_imx->hsio_blk_base);  in dwc3_imx8mp_probe()
191 		dwc3_imx->glue_base = devm_ioremap_resource(dev, res);  in dwc3_imx8mp_probe()
192 		if (IS_ERR(dwc3_imx->glue_base))  in dwc3_imx8mp_probe()
193 			return PTR_ERR(dwc3_imx->glue_base);  in dwc3_imx8mp_probe()
196 	dwc3_imx->hsio_clk = devm_clk_get_enabled(dev, "hsio");  in dwc3_imx8mp_probe()
197 	if (IS_ERR(dwc3_imx->hsio_clk))  in dwc3_imx8mp_probe()
198 		return dev_err_probe(dev, PTR_ERR(dwc3_imx->hsio_clk),  in dwc3_imx8mp_probe()
201 	dwc3_imx->suspend_clk = devm_clk_get_enabled(dev, "suspend");  in dwc3_imx8mp_probe()
202 	if (IS_ERR(dwc3_imx->suspend_clk))  in dwc3_imx8mp_probe()
203 		return dev_err_probe(dev, PTR_ERR(dwc3_imx->suspend_clk),  in dwc3_imx8mp_probe()
209 	dwc3_imx->irq = irq;  in dwc3_imx8mp_probe()
216 	imx8mp_configure_glue(dwc3_imx);  in dwc3_imx8mp_probe()
237 	dwc3_imx->dwc3 = of_find_device_by_node(dwc3_np);  in dwc3_imx8mp_probe()
238 	if (!dwc3_imx->dwc3) {  in dwc3_imx8mp_probe()
245 					IRQF_ONESHOT, dev_name(dev), dwc3_imx);  in dwc3_imx8mp_probe()
276 static int dwc3_imx8mp_suspend(struct dwc3_imx8mp *dwc3_imx, pm_message_t msg)  in dwc3_imx8mp_suspend()  argument
278 	if (dwc3_imx->pm_suspended)  in dwc3_imx8mp_suspend()
282 	if (PMSG_IS_AUTO(msg) || device_may_wakeup(dwc3_imx->dev))  in dwc3_imx8mp_suspend()
283 		dwc3_imx8mp_wakeup_enable(dwc3_imx, msg);  in dwc3_imx8mp_suspend()
285 	dwc3_imx->pm_suspended = true;  in dwc3_imx8mp_suspend()
290 static int dwc3_imx8mp_resume(struct dwc3_imx8mp *dwc3_imx, pm_message_t msg)  in dwc3_imx8mp_resume()  argument
292 	struct dwc3	*dwc = platform_get_drvdata(dwc3_imx->dwc3);  in dwc3_imx8mp_resume()
295 	if (!dwc3_imx->pm_suspended)  in dwc3_imx8mp_resume()
299 	dwc3_imx8mp_wakeup_disable(dwc3_imx);  in dwc3_imx8mp_resume()
300 	dwc3_imx->pm_suspended = false;  in dwc3_imx8mp_resume()
303 	imx8mp_configure_glue(dwc3_imx);  in dwc3_imx8mp_resume()
305 	if (dwc3_imx->wakeup_pending) {  in dwc3_imx8mp_resume()
306 		dwc3_imx->wakeup_pending = false;  in dwc3_imx8mp_resume()
317 		enable_irq(dwc3_imx->irq);  in dwc3_imx8mp_resume()
325 	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);  in dwc3_imx8mp_pm_suspend()  local
328 	ret = dwc3_imx8mp_suspend(dwc3_imx, PMSG_SUSPEND);  in dwc3_imx8mp_pm_suspend()
330 	if (device_may_wakeup(dwc3_imx->dev))  in dwc3_imx8mp_pm_suspend()
331 		enable_irq_wake(dwc3_imx->irq);  in dwc3_imx8mp_pm_suspend()
333 		clk_disable_unprepare(dwc3_imx->suspend_clk);  in dwc3_imx8mp_pm_suspend()
335 	clk_disable_unprepare(dwc3_imx->hsio_clk);  in dwc3_imx8mp_pm_suspend()
343 	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);  in dwc3_imx8mp_pm_resume()  local
346 	if (device_may_wakeup(dwc3_imx->dev)) {  in dwc3_imx8mp_pm_resume()
347 		disable_irq_wake(dwc3_imx->irq);  in dwc3_imx8mp_pm_resume()
349 		ret = clk_prepare_enable(dwc3_imx->suspend_clk);  in dwc3_imx8mp_pm_resume()
354 	ret = clk_prepare_enable(dwc3_imx->hsio_clk);  in dwc3_imx8mp_pm_resume()
356 		clk_disable_unprepare(dwc3_imx->suspend_clk);  in dwc3_imx8mp_pm_resume()
360 	ret = dwc3_imx8mp_resume(dwc3_imx, PMSG_RESUME);  in dwc3_imx8mp_pm_resume()
373 	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);  in dwc3_imx8mp_runtime_suspend()  local
377 	return dwc3_imx8mp_suspend(dwc3_imx, PMSG_AUTO_SUSPEND);  in dwc3_imx8mp_runtime_suspend()
382 	struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);  in dwc3_imx8mp_runtime_resume()  local
386 	return dwc3_imx8mp_resume(dwc3_imx, PMSG_AUTO_RESUME);  in dwc3_imx8mp_runtime_resume()