1 // SPDX-License-Identifier: GPL-2.0-only
3  * extcon-qcom-spmi-misc.c - Qualcomm USB extcon driver to support USB ID
4  *			and VBUS detection based on extcon-usb-gpio.c.
10 #include <linux/devm-helpers.h>
11 #include <linux/extcon-provider.h>
46 	if (info->id_irq > 0) {  in qcom_usb_extcon_detect_cable()
48 		ret = irq_get_irqchip_state(info->id_irq,  in qcom_usb_extcon_detect_cable()
55 			extcon_set_property(info->edev, EXTCON_USB_HOST,  in qcom_usb_extcon_detect_cable()
58 		extcon_set_state_sync(info->edev, EXTCON_USB_HOST, !state);  in qcom_usb_extcon_detect_cable()
61 	if (info->vbus_irq > 0) {  in qcom_usb_extcon_detect_cable()
63 		ret = irq_get_irqchip_state(info->vbus_irq,  in qcom_usb_extcon_detect_cable()
70 			extcon_set_property(info->edev, EXTCON_USB,  in qcom_usb_extcon_detect_cable()
73 		extcon_set_state_sync(info->edev, EXTCON_USB, state);  in qcom_usb_extcon_detect_cable()
81 	queue_delayed_work(system_power_efficient_wq, &info->wq_detcable,  in qcom_usb_irq_handler()
82 			   info->debounce_jiffies);  in qcom_usb_irq_handler()
89 	struct device *dev = &pdev->dev;  in qcom_usb_extcon_probe()
95 		return -ENOMEM;  in qcom_usb_extcon_probe()
97 	info->edev = devm_extcon_dev_allocate(dev, qcom_usb_extcon_cable);  in qcom_usb_extcon_probe()
98 	if (IS_ERR(info->edev)) {  in qcom_usb_extcon_probe()
100 		return -ENOMEM;  in qcom_usb_extcon_probe()
103 	ret = devm_extcon_dev_register(dev, info->edev);  in qcom_usb_extcon_probe()
109 	ret = extcon_set_property_capability(info->edev,  in qcom_usb_extcon_probe()
111 	ret |= extcon_set_property_capability(info->edev,  in qcom_usb_extcon_probe()
119 	info->debounce_jiffies = msecs_to_jiffies(USB_ID_DEBOUNCE_MS);  in qcom_usb_extcon_probe()
121 	ret = devm_delayed_work_autocancel(dev, &info->wq_detcable,  in qcom_usb_extcon_probe()
126 	info->id_irq = platform_get_irq_byname_optional(pdev, "usb_id");  in qcom_usb_extcon_probe()
127 	if (info->id_irq > 0) {  in qcom_usb_extcon_probe()
128 		ret = devm_request_threaded_irq(dev, info->id_irq, NULL,  in qcom_usb_extcon_probe()
132 					pdev->name, info);  in qcom_usb_extcon_probe()
139 	info->vbus_irq = platform_get_irq_byname_optional(pdev, "usb_vbus");  in qcom_usb_extcon_probe()
140 	if (info->vbus_irq > 0) {  in qcom_usb_extcon_probe()
141 		ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL,  in qcom_usb_extcon_probe()
145 					pdev->name, info);  in qcom_usb_extcon_probe()
152 	if (info->id_irq < 0 && info->vbus_irq < 0) {  in qcom_usb_extcon_probe()
154 		return -EINVAL;  in qcom_usb_extcon_probe()
161 	qcom_usb_extcon_detect_cable(&info->wq_detcable.work);  in qcom_usb_extcon_probe()
173 		if (info->id_irq > 0)  in qcom_usb_extcon_suspend()
174 			ret = enable_irq_wake(info->id_irq);  in qcom_usb_extcon_suspend()
175 		if (info->vbus_irq > 0)  in qcom_usb_extcon_suspend()
176 			ret = enable_irq_wake(info->vbus_irq);  in qcom_usb_extcon_suspend()
188 		if (info->id_irq > 0)  in qcom_usb_extcon_resume()
189 			ret = disable_irq_wake(info->id_irq);  in qcom_usb_extcon_resume()
190 		if (info->vbus_irq > 0)  in qcom_usb_extcon_resume()
191 			ret = disable_irq_wake(info->vbus_irq);  in qcom_usb_extcon_resume()
202 	{ .compatible = "qcom,pm8941-misc", },
210 		.name	= "extcon-pm8941-misc",