1 // SPDX-License-Identifier: GPL-2.0+
3  * Loongson-2 PM Support
94 	.enter	= loongson2_suspend_enter,
100 	struct input_dev *button;  in loongson2_power_button_init()  local
102 	button = input_allocate_device();  in loongson2_power_button_init()
104 		return -ENOMEM;  in loongson2_power_button_init()
106 	button->name = "Power Button";  in loongson2_power_button_init()
107 	button->phys = "pm/button/input0";  in loongson2_power_button_init()
108 	button->id.bustype = BUS_HOST;  in loongson2_power_button_init()
109 	button->dev.parent = NULL;  in loongson2_power_button_init()
110 	input_set_capability(button, EV_KEY, KEY_POWER);  in loongson2_power_button_init()
112 	ret = input_register_device(button);  in loongson2_power_button_init()
116 	dev_pm_set_wake_irq(&button->dev, irq);  in loongson2_power_button_init()
117 	device_set_wakeup_capable(&button->dev, true);  in loongson2_power_button_init()
118 	device_set_wakeup_enable(&button->dev, true);  in loongson2_power_button_init()
120 	loongson2_pm.dev = button;  in loongson2_power_button_init()
121 	dev_info(dev, "Power Button: Init successful!\n");  in loongson2_power_button_init()
126 	input_free_device(button);  in loongson2_power_button_init()
136 		pr_info("Power Button pressed...\n");  in loongson2_pm_irq_handler()
167 	struct device *dev = &pdev->dev;  in loongson2_pm_probe()
177 	if (!device_property_read_u64(dev, "loongson,suspend-address", &suspend_addr))  in loongson2_pm_probe()
180 		dev_err(dev, "No loongson,suspend-address, could not support S3!\n");  in loongson2_pm_probe()
183 		return -EINVAL;  in loongson2_pm_probe()
185 	retval = devm_request_irq(&pdev->dev, irq, loongson2_pm_irq_handler,  in loongson2_pm_probe()
205 	{ .compatible = "loongson,ls2k0500-pmc", },
211 		.name = "ls2k-pm",
219 MODULE_DESCRIPTION("Loongson-2 PM driver");