51 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_vbus_irq_handler()  local
54 	palmas_read(palmas_usb->palmas, PALMAS_INTERRUPT_BASE,  in palmas_vbus_irq_handler()
58 		if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
59 			palmas_usb->linkstat = PALMAS_USB_STATE_VBUS;  in palmas_vbus_irq_handler()
60 			extcon_set_cable_state(palmas_usb->edev, "USB", true);  in palmas_vbus_irq_handler()
61 			dev_info(palmas_usb->dev, "USB cable is attached\n");  in palmas_vbus_irq_handler()
63 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
67 		if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) {  in palmas_vbus_irq_handler()
68 			palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_vbus_irq_handler()
69 			extcon_set_cable_state(palmas_usb->edev, "USB", false);  in palmas_vbus_irq_handler()
70 			dev_info(palmas_usb->dev, "USB cable is detached\n");  in palmas_vbus_irq_handler()
72 			dev_dbg(palmas_usb->dev,  in palmas_vbus_irq_handler()
83 	struct palmas_usb *palmas_usb = _palmas_usb;  in palmas_id_irq_handler()  local
85 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
87 	palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
92 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
95 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
96 		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);  in palmas_id_irq_handler()
97 		dev_info(palmas_usb->dev, "USB-HOST cable is attached\n");  in palmas_id_irq_handler()
100 		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_id_irq_handler()
103 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
104 		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);  in palmas_id_irq_handler()
105 		dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
106 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&  in palmas_id_irq_handler()
108 		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;  in palmas_id_irq_handler()
109 		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", false);  in palmas_id_irq_handler()
110 		dev_info(palmas_usb->dev, "USB-HOST cable is detached\n");  in palmas_id_irq_handler()
111 	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) &&  in palmas_id_irq_handler()
113 		palmas_usb->linkstat = PALMAS_USB_STATE_ID;  in palmas_id_irq_handler()
114 		extcon_set_cable_state(palmas_usb->edev, "USB-HOST", true);  in palmas_id_irq_handler()
115 		dev_info(palmas_usb->dev, " USB-HOST cable is attached\n");  in palmas_id_irq_handler()
121 static void palmas_enable_irq(struct palmas_usb *palmas_usb)  in palmas_enable_irq()  argument
123 	palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
127 	palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
130 	palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,  in palmas_enable_irq()
135 	if (palmas_usb->enable_vbus_detection)  in palmas_enable_irq()
136 		palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb);  in palmas_enable_irq()
139 	if (palmas_usb->enable_id_detection) {  in palmas_enable_irq()
141 		palmas_id_irq_handler(palmas_usb->id_irq, palmas_usb);  in palmas_enable_irq()
150 	struct palmas_usb *palmas_usb;  in palmas_usb_probe()  local
153 	palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL);  in palmas_usb_probe()
154 	if (!palmas_usb)  in palmas_usb_probe()
158 		palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup");  in palmas_usb_probe()
159 		palmas_usb->enable_id_detection = of_property_read_bool(node,  in palmas_usb_probe()
161 		palmas_usb->enable_vbus_detection = of_property_read_bool(node,  in palmas_usb_probe()
164 		palmas_usb->wakeup = true;  in palmas_usb_probe()
165 		palmas_usb->enable_id_detection = true;  in palmas_usb_probe()
166 		palmas_usb->enable_vbus_detection = true;  in palmas_usb_probe()
169 			palmas_usb->wakeup = pdata->wakeup;  in palmas_usb_probe()
172 	palmas->usb = palmas_usb;  in palmas_usb_probe()
173 	palmas_usb->palmas = palmas;  in palmas_usb_probe()
175 	palmas_usb->dev	 = &pdev->dev;  in palmas_usb_probe()
177 	palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
179 	palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
181 	palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
183 	palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data,  in palmas_usb_probe()
186 	palmas_usb_wakeup(palmas, palmas_usb->wakeup);  in palmas_usb_probe()
188 	platform_set_drvdata(pdev, palmas_usb);  in palmas_usb_probe()
190 	palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev,  in palmas_usb_probe()
192 	if (IS_ERR(palmas_usb->edev)) {  in palmas_usb_probe()
196 	palmas_usb->edev->name = kstrdup(node->name, GFP_KERNEL);  in palmas_usb_probe()
197 	palmas_usb->edev->mutually_exclusive = mutually_exclusive;  in palmas_usb_probe()
199 	status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev);  in palmas_usb_probe()
202 		kfree(palmas_usb->edev->name);  in palmas_usb_probe()
206 	if (palmas_usb->enable_id_detection) {  in palmas_usb_probe()
207 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
208 				palmas_usb->id_irq,  in palmas_usb_probe()
212 				"palmas_usb_id", palmas_usb);  in palmas_usb_probe()
215 					palmas_usb->id_irq, status);  in palmas_usb_probe()
216 			kfree(palmas_usb->edev->name);  in palmas_usb_probe()
221 	if (palmas_usb->enable_vbus_detection) {  in palmas_usb_probe()
222 		status = devm_request_threaded_irq(palmas_usb->dev,  in palmas_usb_probe()
223 				palmas_usb->vbus_irq, NULL,  in palmas_usb_probe()
227 				"palmas_usb_vbus", palmas_usb);  in palmas_usb_probe()
230 					palmas_usb->vbus_irq, status);  in palmas_usb_probe()
231 			kfree(palmas_usb->edev->name);  in palmas_usb_probe()
236 	palmas_enable_irq(palmas_usb);  in palmas_usb_probe()
243 	struct palmas_usb *palmas_usb = platform_get_drvdata(pdev);  in palmas_usb_remove()  local
245 	kfree(palmas_usb->edev->name);  in palmas_usb_remove()
253 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_suspend()  local
256 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_suspend()
257 			enable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_suspend()
258 		if (palmas_usb->enable_id_detection)  in palmas_usb_suspend()
259 			enable_irq_wake(palmas_usb->id_irq);  in palmas_usb_suspend()
266 	struct palmas_usb *palmas_usb = dev_get_drvdata(dev);  in palmas_usb_resume()  local
269 		if (palmas_usb->enable_vbus_detection)  in palmas_usb_resume()
270 			disable_irq_wake(palmas_usb->vbus_irq);  in palmas_usb_resume()
271 		if (palmas_usb->enable_id_detection)  in palmas_usb_resume()
272 			disable_irq_wake(palmas_usb->id_irq);  in palmas_usb_resume()