44 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_vbus_irq_handler()  local
45 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_vbus_irq_handler()
48 	palmas_read(palmas_usb->palmas, PALMAS_INTERRUPT_BASE,  in palmas_vbus_irq_handler()
52 		if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
53 			palmas_usb->linkstat = PALMAS_USB_STATE_VBUS;  in palmas_vbus_irq_handler()
55 			dev_dbg(palmas_usb->dev, "USB cable is attached\n");  in palmas_vbus_irq_handler()
57 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
61 		if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
62 			palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_vbus_irq_handler()
64 			dev_dbg(palmas_usb->dev, "USB cable is detached\n");  in palmas_vbus_irq_handler()
66 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
77 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_id_irq_handler()  local
78 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_id_irq_handler()
80 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
82 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
87 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
90 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
92 		dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_id_irq_handler()
95 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
98 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
100 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
101 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&  in palmas_id_irq_handler()
103 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
105 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
106 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&  in palmas_id_irq_handler()
108 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
110 		dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_id_irq_handler()
119 	struct palmas_usb *palmas_usb = container_of(to_delayed_work(work),  in palmas_gpio_id_detect()  local
120 						     struct palmas_usb,  in palmas_gpio_id_detect()
122 	struct extcon_dev *edev = palmas_usb->edev;  in palmas_gpio_id_detect()
124 	if (!palmas_usb->id_gpiod)  in palmas_gpio_id_detect()
127 	id = gpiod_get_value_cansleep(palmas_usb->id_gpiod);  in palmas_gpio_id_detect()
131 		dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_gpio_id_detect()
134 		dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_gpio_id_detect()
140 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_gpio_id_irq_handler()  local
142 	queue_delayed_work(system_power_efficient_wq, &palmas_usb->wq_detectid,  in palmas_gpio_id_irq_handler()
143 			   palmas_usb->sw_debounce_jiffies);  in palmas_gpio_id_irq_handler()
148 static void palmas_enable_irq(struct palmas_usb *palmas_usb)  in palmas_enable_irq()  argument
150 	palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
154 	if (palmas_usb->enable_id_detection) {  in palmas_enable_irq()
155 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
159 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
165 	if (palmas_usb->enable_vbus_detection)  in palmas_enable_irq()
166 		palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb);  in palmas_enable_irq()
169 	if (palmas_usb->enable_id_detection) {  in palmas_enable_irq()
171 		palmas_id_irq_handler(palmas_usb->id_irq, palmas_usb);  in palmas_enable_irq()
180 	struct palmas_usb *palmas_usb;  in palmas_usb_probe()  local
188 	palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);  in palmas_usb_probe()
189 	if (!palmas_usb)  in palmas_usb_probe()
193 		palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");  in palmas_usb_probe()
194 		palmas_usb->enable_id_detection = of_property_read_bool(node,  in palmas_usb_probe()
196 		palmas_usb->enable_vbus_detection = of_property_read_bool(node,  in palmas_usb_probe()
199 		palmas_usb->wakeup = true;  in palmas_usb_probe()
200 		palmas_usb->enable_id_detection = true;  in palmas_usb_probe()
201 		palmas_usb->enable_vbus_detection = true;  in palmas_usb_probe()
204 			palmas_usb->wakeup = pdata->wakeup;  in palmas_usb_probe()
207 	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",  in palmas_usb_probe()
209 	if (IS_ERR(palmas_usb->id_gpiod))  in palmas_usb_probe()
210 		return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->id_gpiod),  in palmas_usb_probe()
213 	palmas_usb->vbus_gpiod = devm_gpiod_get_optional(&pdev->dev, "vbus",  in palmas_usb_probe()
215 	if (IS_ERR(palmas_usb->vbus_gpiod))  in palmas_usb_probe()
216 		return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->vbus_gpiod),  in palmas_usb_probe()
219 	if (palmas_usb->enable_id_detection && palmas_usb->id_gpiod) {  in palmas_usb_probe()
220 		palmas_usb->enable_id_detection = false;  in palmas_usb_probe()
221 		palmas_usb->enable_gpio_id_detection = true;  in palmas_usb_probe()
224 	if (palmas_usb->enable_vbus_detection && palmas_usb->vbus_gpiod) {  in palmas_usb_probe()
225 		palmas_usb->enable_vbus_detection = false;  in palmas_usb_probe()
226 		palmas_usb->enable_gpio_vbus_detection = true;  in palmas_usb_probe()
229 	if (palmas_usb->enable_gpio_id_detection) {  in palmas_usb_probe()
235 		status = gpiod_set_debounce(palmas_usb->id_gpiod,  in palmas_usb_probe()
238 			palmas_usb->sw_debounce_jiffies = msecs_to_jiffies(debounce);  in palmas_usb_probe()
242 					      &palmas_usb->wq_detectid,  in palmas_usb_probe()
247 	palmas->usb = palmas_usb;  in palmas_usb_probe()
248 	palmas_usb->palmas = palmas;  in palmas_usb_probe()
250 	palmas_usb->dev	 = &pdev->dev;  in palmas_usb_probe()
252 	palmas_usb_wakeup(palmas, palmas_usb->wakeup);  in palmas_usb_probe()
254 	platform_set_drvdata(pdev, palmas_usb);  in palmas_usb_probe()
256 	palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev,  in palmas_usb_probe()
258 	if (IS_ERR(palmas_usb->edev)) {  in palmas_usb_probe()
263 	status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev);  in palmas_usb_probe()
269 	if (palmas_usb->enable_id_detection) {  in palmas_usb_probe()
270 		palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
272 		palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
274 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
275 				palmas_usb->id_irq,  in palmas_usb_probe()
279 				"palmas_usb_id", palmas_usb);  in palmas_usb_probe()
282 					palmas_usb->id_irq, status);  in palmas_usb_probe()
285 	} else if (palmas_usb->enable_gpio_id_detection) {  in palmas_usb_probe()
286 		palmas_usb->gpio_id_irq = gpiod_to_irq(palmas_usb->id_gpiod);  in palmas_usb_probe()
287 		if (palmas_usb->gpio_id_irq < 0) {  in palmas_usb_probe()
289 			return palmas_usb->gpio_id_irq;  in palmas_usb_probe()
292 						   palmas_usb->gpio_id_irq,  in palmas_usb_probe()
299 						   palmas_usb);  in palmas_usb_probe()
307 	if (palmas_usb->enable_vbus_detection) {  in palmas_usb_probe()
308 		palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
310 		palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
312 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
313 				palmas_usb->vbus_irq, NULL,  in palmas_usb_probe()
317 				"palmas_usb_vbus", palmas_usb);  in palmas_usb_probe()
320 					palmas_usb->vbus_irq, status);  in palmas_usb_probe()
323 	} else if (palmas_usb->enable_gpio_vbus_detection) {  in palmas_usb_probe()
335 		palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
337 		palmas_usb->gpio_vbus_irq = gpiod_to_irq(palmas_usb->vbus_gpiod);  in palmas_usb_probe()
338 		if (palmas_usb->gpio_vbus_irq < 0) {  in palmas_usb_probe()
340 			return palmas_usb->gpio_vbus_irq;  in palmas_usb_probe()
343 						palmas_usb->gpio_vbus_irq,  in palmas_usb_probe()
350 						palmas_usb);  in palmas_usb_probe()
358 	palmas_enable_irq(palmas_usb);  in palmas_usb_probe()
360 	if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_probe()
361 		palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);  in palmas_usb_probe()
362 	palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);  in palmas_usb_probe()
370 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_suspend()  local
373 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_suspend()
374 			enable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_suspend()
375 		if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_suspend()
376 			enable_irq_wake(palmas_usb->gpio_vbus_irq);  in palmas_usb_suspend()
377 		if (palmas_usb->enable_id_detection)  in palmas_usb_suspend()
378 			enable_irq_wake(palmas_usb->id_irq);  in palmas_usb_suspend()
379 		if (palmas_usb->enable_gpio_id_detection)  in palmas_usb_suspend()
380 			enable_irq_wake(palmas_usb->gpio_id_irq);  in palmas_usb_suspend()
387 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_resume()  local
390 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_resume()
391 			disable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_resume()
392 		if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_resume()
393 			disable_irq_wake(palmas_usb->gpio_vbus_irq);  in palmas_usb_resume()
394 		if (palmas_usb->enable_id_detection)  in palmas_usb_resume()
395 			disable_irq_wake(palmas_usb->id_irq);  in palmas_usb_resume()
396 		if (palmas_usb->enable_gpio_id_detection)  in palmas_usb_resume()
397 			disable_irq_wake(palmas_usb->gpio_id_irq);  in palmas_usb_resume()
401 	if (palmas_usb->enable_gpio_vbus_detection)  in palmas_usb_resume()
402 		palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);  in palmas_usb_resume()
403 	palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);  in palmas_usb_resume()