54 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_vbus_irq_handler()  local
55 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_vbus_irq_handler()
58 	palmas_read(palmas_usb->palmas, PALMAS_INTERRUPT_BASE,  in palmas_vbus_irq_handler()
62 		if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
63 			palmas_usb->linkstat = PALMAS_USB_STATE_VBUS;  in palmas_vbus_irq_handler()
65 			dev_dbg(palmas_usb->dev, "USB cable is attached\n");  in palmas_vbus_irq_handler()
67 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
71 		if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
72 			palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_vbus_irq_handler()
74 			dev_dbg(palmas_usb->dev, "USB cable is detached\n");  in palmas_vbus_irq_handler()
76 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
87 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_id_irq_handler()  local
88 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_id_irq_handler()
90 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
92 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
97 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
100 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
102 		dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_id_irq_handler()
105 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
108 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
110 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
111 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&  in palmas_id_irq_handler()
113 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
115 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
116 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&  in palmas_id_irq_handler()
118 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
120 		dev_dbg(palmas_usb->dev, " USB-HOST cable is attached\n");  in palmas_id_irq_handler()
129 	struct palmas_usb *palmas_usb = container_of(to_delayed_work(work),  in palmas_gpio_id_detect()  local
130 						     struct palmas_usb,  in palmas_gpio_id_detect()
132 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_gpio_id_detect()
134 	if (!palmas_usb->id_gpiod)  in palmas_gpio_id_detect()
137 	id = gpiod_get_value_cansleep(palmas_usb->id_gpiod);  in palmas_gpio_id_detect()
141 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_gpio_id_detect()
144 		dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_gpio_id_detect()
150 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_gpio_id_irq_handler()  local
152 	queue_delayed_work(system_power_efficient_wq, &palmas_usb->wq_detectid,  in palmas_gpio_id_irq_handler()
153 			   palmas_usb->sw_debounce_jiffies);  in palmas_gpio_id_irq_handler()
158 static void palmas_enable_irq(struct palmas_usb *palmas_usb)  in palmas_enable_irq()  argument
160 	palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
164 	if (palmas_usb->enable_id_detection) {  in palmas_enable_irq()
165 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
169 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
175 	if (palmas_usb->enable_vbus_detection)  in palmas_enable_irq()
176 		palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb);  in palmas_enable_irq()
179 	if (palmas_usb->enable_id_detection) {  in palmas_enable_irq()
181 		palmas_id_irq_handler(palmas_usb->id_irq, palmas_usb);  in palmas_enable_irq()
190 	struct palmas_usb *palmas_usb;  in palmas_usb_probe()  local
198 	palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);  in palmas_usb_probe()
199 	if (!palmas_usb)  in palmas_usb_probe()
203 		palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");  in palmas_usb_probe()
204 		palmas_usb->enable_id_detection = of_property_read_bool(node,  in palmas_usb_probe()
206 		palmas_usb->enable_vbus_detection = of_property_read_bool(node,  in palmas_usb_probe()
209 		palmas_usb->wakeup = true;  in palmas_usb_probe()
210 		palmas_usb->enable_id_detection = true;  in palmas_usb_probe()
211 		palmas_usb->enable_vbus_detection = true;  in palmas_usb_probe()
214 			palmas_usb->wakeup = pdata->wakeup;  in palmas_usb_probe()
217 	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",  in palmas_usb_probe()
219 	if (IS_ERR(palmas_usb->id_gpiod)) {  in palmas_usb_probe()
221 		return PTR_ERR(palmas_usb->id_gpiod);  in palmas_usb_probe()
224 	palmas_usb->vbus_gpiod = devm_gpiod_get_optional(&pdev->dev, "vbus",  in palmas_usb_probe()
226 	if (IS_ERR(palmas_usb->vbus_gpiod)) {  in palmas_usb_probe()
228 		return PTR_ERR(palmas_usb->vbus_gpiod);  in palmas_usb_probe()
231 	if (palmas_usb->enable_id_detection && palmas_usb->id_gpiod) {  in palmas_usb_probe()
232 		palmas_usb->enable_id_detection = false;  in palmas_usb_probe()
233 		palmas_usb->enable_gpio_id_detection = true;  in palmas_usb_probe()
236 	if (palmas_usb->enable_vbus_detection && palmas_usb->vbus_gpiod) {  in palmas_usb_probe()
237 		palmas_usb->enable_vbus_detection = false;  in palmas_usb_probe()
238 		palmas_usb->enable_gpio_vbus_detection = true;  in palmas_usb_probe()
241 	if (palmas_usb->enable_gpio_id_detection) {  in palmas_usb_probe()
247 		status = gpiod_set_debounce(palmas_usb->id_gpiod,  in palmas_usb_probe()
250 			palmas_usb->sw_debounce_jiffies = msecs_to_jiffies(debounce);  in palmas_usb_probe()
253 	INIT_DELAYED_WORK(&palmas_usb->wq_detectid, palmas_gpio_id_detect);  in palmas_usb_probe()
255 	palmas->usb = palmas_usb;  in palmas_usb_probe()
256 	palmas_usb->palmas = palmas;  in palmas_usb_probe()
258 	palmas_usb->dev	 = &pdev->dev;  in palmas_usb_probe()
260 	palmas_usb_wakeup(palmas, palmas_usb->wakeup);  in palmas_usb_probe()
262 	platform_set_drvdata(pdev, palmas_usb);  in palmas_usb_probe()
264 	palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev,  in palmas_usb_probe()
266 	if (IS_ERR(palmas_usb->edev)) {  in palmas_usb_probe()
271 	status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev);  in palmas_usb_probe()
277 	if (palmas_usb->enable_id_detection) {  in palmas_usb_probe()
278 		palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
280 		palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
282 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
283 				palmas_usb->id_irq,  in palmas_usb_probe()
287 				"palmas_usb_id", palmas_usb);  in palmas_usb_probe()
290 					palmas_usb->id_irq, status);  in palmas_usb_probe()
293 	} else if (palmas_usb->enable_gpio_id_detection) {  in palmas_usb_probe()
294 		palmas_usb->gpio_id_irq = gpiod_to_irq(palmas_usb->id_gpiod);  in palmas_usb_probe()
295 		if (palmas_usb->gpio_id_irq < 0) {  in palmas_usb_probe()
297 			return palmas_usb->gpio_id_irq;  in palmas_usb_probe()
300 						   palmas_usb->gpio_id_irq,  in palmas_usb_probe()
307 						   palmas_usb);  in palmas_usb_probe()
315 	if (palmas_usb->enable_vbus_detection) {  in palmas_usb_probe()
316 		palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
318 		palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
320 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
321 				palmas_usb->vbus_irq, NULL,  in palmas_usb_probe()
325 				"palmas_usb_vbus", palmas_usb);  in palmas_usb_probe()
328 					palmas_usb->vbus_irq, status);  in palmas_usb_probe()
331 	} else if (palmas_usb->enable_gpio_vbus_detection) {  in palmas_usb_probe()
343 		palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
345 		palmas_usb->gpio_vbus_irq = gpiod_to_irq(palmas_usb->vbus_gpiod);  in palmas_usb_probe()
346 		if (palmas_usb->gpio_vbus_irq < 0) {  in palmas_usb_probe()
348 			return palmas_usb->gpio_vbus_irq;  in palmas_usb_probe()
351 						palmas_usb->gpio_vbus_irq,  in palmas_usb_probe()
358 						palmas_usb);  in palmas_usb_probe()
366 	palmas_enable_irq(palmas_usb);  in palmas_usb_probe()
368 	if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_probe()
369 		palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);  in palmas_usb_probe()
370 	palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);  in palmas_usb_probe()
377 	struct palmas_usb *palmas_usb = platform_get_drvdata(pdev);  in palmas_usb_remove()  local
379 	cancel_delayed_work_sync(&palmas_usb->wq_detectid);  in palmas_usb_remove()
387 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_suspend()  local
390 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_suspend()
391 			enable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_suspend()
392 		if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_suspend()
393 			enable_irq_wake(palmas_usb->gpio_vbus_irq);  in palmas_usb_suspend()
394 		if (palmas_usb->enable_id_detection)  in palmas_usb_suspend()
395 			enable_irq_wake(palmas_usb->id_irq);  in palmas_usb_suspend()
396 		if (palmas_usb->enable_gpio_id_detection)  in palmas_usb_suspend()
397 			enable_irq_wake(palmas_usb->gpio_id_irq);  in palmas_usb_suspend()
404 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_resume()  local
407 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_resume()
408 			disable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_resume()
409 		if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_resume()
410 			disable_irq_wake(palmas_usb->gpio_vbus_irq);  in palmas_usb_resume()
411 		if (palmas_usb->enable_id_detection)  in palmas_usb_resume()
412 			disable_irq_wake(palmas_usb->id_irq);  in palmas_usb_resume()
413 		if (palmas_usb->enable_gpio_id_detection)  in palmas_usb_resume()
414 			disable_irq_wake(palmas_usb->gpio_id_irq);  in palmas_usb_resume()
418 	if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_resume()
419 		palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);  in palmas_usb_resume()
420 	palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);  in palmas_usb_resume()