72 	struct usb_conn_info *info;  in usb_conn_detect_cable()  local
76 	info = container_of(to_delayed_work(work),  in usb_conn_detect_cable()
80 	id = info->id_gpiod ?  in usb_conn_detect_cable()
81 		gpiod_get_value_cansleep(info->id_gpiod) : 1;  in usb_conn_detect_cable()
82 	vbus = info->vbus_gpiod ?  in usb_conn_detect_cable()
83 		gpiod_get_value_cansleep(info->vbus_gpiod) : id;  in usb_conn_detect_cable()
92 	dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",  in usb_conn_detect_cable()
93 		usb_role_string(info->last_role), usb_role_string(role), id, vbus);  in usb_conn_detect_cable()
95 	if (!info->initial_detection && info->last_role == role) {  in usb_conn_detect_cable()
96 		dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role));  in usb_conn_detect_cable()
100 	info->initial_detection = false;  in usb_conn_detect_cable()
102 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_detect_cable()
103 		regulator_disable(info->vbus);  in usb_conn_detect_cable()
105 	ret = usb_role_switch_set_role(info->role_sw, role);  in usb_conn_detect_cable()
107 		dev_err(info->dev, "failed to set role: %d\n", ret);  in usb_conn_detect_cable()
109 	if (role == USB_ROLE_HOST && info->vbus) {  in usb_conn_detect_cable()
110 		ret = regulator_enable(info->vbus);  in usb_conn_detect_cable()
112 			dev_err(info->dev, "enable vbus regulator failed\n");  in usb_conn_detect_cable()
115 	info->last_role = role;  in usb_conn_detect_cable()
117 	if (info->vbus)  in usb_conn_detect_cable()
118 		dev_dbg(info->dev, "vbus regulator is %s\n",  in usb_conn_detect_cable()
119 			str_enabled_disabled(regulator_is_enabled(info->vbus)));  in usb_conn_detect_cable()
121 	power_supply_changed(info->charger);  in usb_conn_detect_cable()
124 static void usb_conn_queue_dwork(struct usb_conn_info *info,  in usb_conn_queue_dwork()  argument
127 	queue_delayed_work(system_power_efficient_wq, &info->dw_det, delay);  in usb_conn_queue_dwork()
132 	struct usb_conn_info *info = dev_id;  in usb_conn_isr()  local
134 	usb_conn_queue_dwork(info, info->debounce_jiffies);  in usb_conn_isr()
147 	struct usb_conn_info *info = power_supply_get_drvdata(psy);  in usb_charger_get_property()  local
151 		val->intval = info->last_role == USB_ROLE_DEVICE;  in usb_charger_get_property()
160 static int usb_conn_psy_register(struct usb_conn_info *info)  in usb_conn_psy_register()  argument
162 	struct device *dev = info->dev;  in usb_conn_psy_register()
163 	struct power_supply_desc *desc = &info->desc;  in usb_conn_psy_register()
168 	info->conn_id = ida_alloc(&usb_conn_ida, GFP_KERNEL);  in usb_conn_psy_register()
169 	if (info->conn_id < 0)  in usb_conn_psy_register()
170 		return info->conn_id;  in usb_conn_psy_register()
173 				    info->conn_id);  in usb_conn_psy_register()
175 		ida_free(&usb_conn_ida, info->conn_id);  in usb_conn_psy_register()
183 	cfg.drv_data = info;  in usb_conn_psy_register()
185 	info->charger = devm_power_supply_register(dev, desc, &cfg);  in usb_conn_psy_register()
186 	if (IS_ERR(info->charger)) {  in usb_conn_psy_register()
187 		dev_err(dev, "Unable to register charger %d\n", info->conn_id);  in usb_conn_psy_register()
188 		ida_free(&usb_conn_ida, info->conn_id);  in usb_conn_psy_register()
191 	return PTR_ERR_OR_ZERO(info->charger);  in usb_conn_psy_register()
197 	struct usb_conn_info *info;  in usb_conn_probe()  local
200 	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);  in usb_conn_probe()
201 	if (!info)  in usb_conn_probe()
204 	info->dev = dev;  in usb_conn_probe()
205 	info->id_gpiod = devm_gpiod_get_optional(dev, "id", GPIOD_IN);  in usb_conn_probe()
206 	if (IS_ERR(info->id_gpiod))  in usb_conn_probe()
207 		return PTR_ERR(info->id_gpiod);  in usb_conn_probe()
209 	info->vbus_gpiod = devm_gpiod_get_optional(dev, "vbus", GPIOD_IN);  in usb_conn_probe()
210 	if (IS_ERR(info->vbus_gpiod))  in usb_conn_probe()
211 		return PTR_ERR(info->vbus_gpiod);  in usb_conn_probe()
213 	if (!info->id_gpiod && !info->vbus_gpiod) {  in usb_conn_probe()
218 	if (info->id_gpiod)  in usb_conn_probe()
219 		ret = gpiod_set_debounce(info->id_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
220 	if (!ret && info->vbus_gpiod)  in usb_conn_probe()
221 		ret = gpiod_set_debounce(info->vbus_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
223 		info->debounce_jiffies = msecs_to_jiffies(USB_GPIO_DEB_MS);  in usb_conn_probe()
225 	INIT_DELAYED_WORK(&info->dw_det, usb_conn_detect_cable);  in usb_conn_probe()
227 	info->vbus = devm_regulator_get_optional(dev, "vbus");  in usb_conn_probe()
228 	if (PTR_ERR(info->vbus) == -ENODEV)  in usb_conn_probe()
229 		info->vbus = NULL;  in usb_conn_probe()
231 	if (IS_ERR(info->vbus))  in usb_conn_probe()
232 		return dev_err_probe(dev, PTR_ERR(info->vbus), "failed to get vbus\n");  in usb_conn_probe()
234 	info->role_sw = usb_role_switch_get(dev);  in usb_conn_probe()
235 	if (IS_ERR(info->role_sw))  in usb_conn_probe()
236 		return dev_err_probe(dev, PTR_ERR(info->role_sw),  in usb_conn_probe()
239 	ret = usb_conn_psy_register(info);  in usb_conn_probe()
243 	if (info->id_gpiod) {  in usb_conn_probe()
244 		info->id_irq = gpiod_to_irq(info->id_gpiod);  in usb_conn_probe()
245 		if (info->id_irq < 0) {  in usb_conn_probe()
247 			ret = info->id_irq;  in usb_conn_probe()
251 		ret = devm_request_threaded_irq(dev, info->id_irq, NULL,  in usb_conn_probe()
253 						pdev->name, info);  in usb_conn_probe()
260 	if (info->vbus_gpiod) {  in usb_conn_probe()
261 		info->vbus_irq = gpiod_to_irq(info->vbus_gpiod);  in usb_conn_probe()
262 		if (info->vbus_irq < 0) {  in usb_conn_probe()
264 			ret = info->vbus_irq;  in usb_conn_probe()
268 		ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL,  in usb_conn_probe()
270 						pdev->name, info);  in usb_conn_probe()
277 	platform_set_drvdata(pdev, info);  in usb_conn_probe()
281 	info->initial_detection = true;  in usb_conn_probe()
282 	usb_conn_queue_dwork(info, 0);  in usb_conn_probe()
287 	usb_role_switch_put(info->role_sw);  in usb_conn_probe()
293 	struct usb_conn_info *info = platform_get_drvdata(pdev);  in usb_conn_remove()  local
295 	cancel_delayed_work_sync(&info->dw_det);  in usb_conn_remove()
297 	if (info->charger)  in usb_conn_remove()
298 		ida_free(&usb_conn_ida, info->conn_id);  in usb_conn_remove()
300 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_remove()
301 		regulator_disable(info->vbus);  in usb_conn_remove()
303 	usb_role_switch_put(info->role_sw);  in usb_conn_remove()
308 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_suspend()  local
311 		if (info->id_gpiod)  in usb_conn_suspend()
312 			enable_irq_wake(info->id_irq);  in usb_conn_suspend()
313 		if (info->vbus_gpiod)  in usb_conn_suspend()
314 			enable_irq_wake(info->vbus_irq);  in usb_conn_suspend()
318 	if (info->id_gpiod)  in usb_conn_suspend()
319 		disable_irq(info->id_irq);  in usb_conn_suspend()
320 	if (info->vbus_gpiod)  in usb_conn_suspend()
321 		disable_irq(info->vbus_irq);  in usb_conn_suspend()
330 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_resume()  local
333 		if (info->id_gpiod)  in usb_conn_resume()
334 			disable_irq_wake(info->id_irq);  in usb_conn_resume()
335 		if (info->vbus_gpiod)  in usb_conn_resume()
336 			disable_irq_wake(info->vbus_irq);  in usb_conn_resume()
342 	if (info->id_gpiod)  in usb_conn_resume()
343 		enable_irq(info->id_irq);  in usb_conn_resume()
344 	if (info->vbus_gpiod)  in usb_conn_resume()
345 		enable_irq(info->vbus_irq);  in usb_conn_resume()
347 	usb_conn_queue_dwork(info, 0);  in usb_conn_resume()