67 	struct usb_conn_info *info;  in usb_conn_detect_cable()  local
71 	info = container_of(to_delayed_work(work),  in usb_conn_detect_cable()
75 	id = info->id_gpiod ?  in usb_conn_detect_cable()
76 		gpiod_get_value_cansleep(info->id_gpiod) : 1;  in usb_conn_detect_cable()
77 	vbus = info->vbus_gpiod ?  in usb_conn_detect_cable()
78 		gpiod_get_value_cansleep(info->vbus_gpiod) : id;  in usb_conn_detect_cable()
87 	dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",  in usb_conn_detect_cable()
88 		usb_role_string(info->last_role), usb_role_string(role), id, vbus);  in usb_conn_detect_cable()
90 	if (!info->initial_detection && info->last_role == role) {  in usb_conn_detect_cable()
91 		dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role));  in usb_conn_detect_cable()
95 	info->initial_detection = false;  in usb_conn_detect_cable()
97 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_detect_cable()
98 		regulator_disable(info->vbus);  in usb_conn_detect_cable()
100 	ret = usb_role_switch_set_role(info->role_sw, role);  in usb_conn_detect_cable()
102 		dev_err(info->dev, "failed to set role: %d\n", ret);  in usb_conn_detect_cable()
104 	if (role == USB_ROLE_HOST && info->vbus) {  in usb_conn_detect_cable()
105 		ret = regulator_enable(info->vbus);  in usb_conn_detect_cable()
107 			dev_err(info->dev, "enable vbus regulator failed\n");  in usb_conn_detect_cable()
110 	info->last_role = role;  in usb_conn_detect_cable()
112 	if (info->vbus)  in usb_conn_detect_cable()
113 		dev_dbg(info->dev, "vbus regulator is %s\n",  in usb_conn_detect_cable()
114 			regulator_is_enabled(info->vbus) ? "enabled" : "disabled");  in usb_conn_detect_cable()
116 	power_supply_changed(info->charger);  in usb_conn_detect_cable()
119 static void usb_conn_queue_dwork(struct usb_conn_info *info,  in usb_conn_queue_dwork()  argument
122 	queue_delayed_work(system_power_efficient_wq, &info->dw_det, delay);  in usb_conn_queue_dwork()
127 	struct usb_conn_info *info = dev_id;  in usb_conn_isr()  local
129 	usb_conn_queue_dwork(info, info->debounce_jiffies);  in usb_conn_isr()
142 	struct usb_conn_info *info = power_supply_get_drvdata(psy);  in usb_charger_get_property()  local
146 		val->intval = info->last_role == USB_ROLE_DEVICE;  in usb_charger_get_property()
155 static int usb_conn_psy_register(struct usb_conn_info *info)  in usb_conn_psy_register()  argument
157 	struct device *dev = info->dev;  in usb_conn_psy_register()
158 	struct power_supply_desc *desc = &info->desc;  in usb_conn_psy_register()
168 	cfg.drv_data = info;  in usb_conn_psy_register()
170 	info->charger = devm_power_supply_register(dev, desc, &cfg);  in usb_conn_psy_register()
171 	if (IS_ERR(info->charger))  in usb_conn_psy_register()
174 	return PTR_ERR_OR_ZERO(info->charger);  in usb_conn_psy_register()
180 	struct usb_conn_info *info;  in usb_conn_probe()  local
183 	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);  in usb_conn_probe()
184 	if (!info)  in usb_conn_probe()
187 	info->dev = dev;  in usb_conn_probe()
188 	info->id_gpiod = devm_gpiod_get_optional(dev, "id", GPIOD_IN);  in usb_conn_probe()
189 	if (IS_ERR(info->id_gpiod))  in usb_conn_probe()
190 		return PTR_ERR(info->id_gpiod);  in usb_conn_probe()
192 	info->vbus_gpiod = devm_gpiod_get_optional(dev, "vbus", GPIOD_IN);  in usb_conn_probe()
193 	if (IS_ERR(info->vbus_gpiod))  in usb_conn_probe()
194 		return PTR_ERR(info->vbus_gpiod);  in usb_conn_probe()
196 	if (!info->id_gpiod && !info->vbus_gpiod) {  in usb_conn_probe()
201 	if (info->id_gpiod)  in usb_conn_probe()
202 		ret = gpiod_set_debounce(info->id_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
203 	if (!ret && info->vbus_gpiod)  in usb_conn_probe()
204 		ret = gpiod_set_debounce(info->vbus_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
206 		info->debounce_jiffies = msecs_to_jiffies(USB_GPIO_DEB_MS);  in usb_conn_probe()
208 	INIT_DELAYED_WORK(&info->dw_det, usb_conn_detect_cable);  in usb_conn_probe()
210 	info->vbus = devm_regulator_get_optional(dev, "vbus");  in usb_conn_probe()
211 	if (PTR_ERR(info->vbus) == -ENODEV)  in usb_conn_probe()
212 		info->vbus = NULL;  in usb_conn_probe()
214 	if (IS_ERR(info->vbus))  in usb_conn_probe()
215 		return dev_err_probe(dev, PTR_ERR(info->vbus), "failed to get vbus\n");  in usb_conn_probe()
217 	info->role_sw = usb_role_switch_get(dev);  in usb_conn_probe()
218 	if (IS_ERR(info->role_sw))  in usb_conn_probe()
219 		return dev_err_probe(dev, PTR_ERR(info->role_sw),  in usb_conn_probe()
222 	ret = usb_conn_psy_register(info);  in usb_conn_probe()
226 	if (info->id_gpiod) {  in usb_conn_probe()
227 		info->id_irq = gpiod_to_irq(info->id_gpiod);  in usb_conn_probe()
228 		if (info->id_irq < 0) {  in usb_conn_probe()
230 			ret = info->id_irq;  in usb_conn_probe()
234 		ret = devm_request_threaded_irq(dev, info->id_irq, NULL,  in usb_conn_probe()
236 						pdev->name, info);  in usb_conn_probe()
243 	if (info->vbus_gpiod) {  in usb_conn_probe()
244 		info->vbus_irq = gpiod_to_irq(info->vbus_gpiod);  in usb_conn_probe()
245 		if (info->vbus_irq < 0) {  in usb_conn_probe()
247 			ret = info->vbus_irq;  in usb_conn_probe()
251 		ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL,  in usb_conn_probe()
253 						pdev->name, info);  in usb_conn_probe()
260 	platform_set_drvdata(pdev, info);  in usb_conn_probe()
264 	info->initial_detection = true;  in usb_conn_probe()
265 	usb_conn_queue_dwork(info, 0);  in usb_conn_probe()
270 	usb_role_switch_put(info->role_sw);  in usb_conn_probe()
276 	struct usb_conn_info *info = platform_get_drvdata(pdev);  in usb_conn_remove()  local
278 	cancel_delayed_work_sync(&info->dw_det);  in usb_conn_remove()
280 	if (info->last_role == USB_ROLE_HOST && info->vbus)  in usb_conn_remove()
281 		regulator_disable(info->vbus);  in usb_conn_remove()
283 	usb_role_switch_put(info->role_sw);  in usb_conn_remove()
288 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_suspend()  local
291 		if (info->id_gpiod)  in usb_conn_suspend()
292 			enable_irq_wake(info->id_irq);  in usb_conn_suspend()
293 		if (info->vbus_gpiod)  in usb_conn_suspend()
294 			enable_irq_wake(info->vbus_irq);  in usb_conn_suspend()
298 	if (info->id_gpiod)  in usb_conn_suspend()
299 		disable_irq(info->id_irq);  in usb_conn_suspend()
300 	if (info->vbus_gpiod)  in usb_conn_suspend()
301 		disable_irq(info->vbus_irq);  in usb_conn_suspend()
310 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_resume()  local
313 		if (info->id_gpiod)  in usb_conn_resume()
314 			disable_irq_wake(info->id_irq);  in usb_conn_resume()
315 		if (info->vbus_gpiod)  in usb_conn_resume()
316 			disable_irq_wake(info->vbus_irq);  in usb_conn_resume()
322 	if (info->id_gpiod)  in usb_conn_resume()
323 		enable_irq(info->id_irq);  in usb_conn_resume()
324 	if (info->vbus_gpiod)  in usb_conn_resume()
325 		enable_irq(info->vbus_irq);  in usb_conn_resume()
327 	usb_conn_queue_dwork(info, 0);  in usb_conn_resume()