Lines Matching +full:syscon +full:- +full:poweroff

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Generic Syscon Poweroff Driver
12 #include <linux/mfd/syscon.h>
28 	struct syscon_poweroff_data *data = off_data->cb_data;  in syscon_poweroff()
30 	/* Issue the poweroff */  in syscon_poweroff()
31 	regmap_update_bits(data->map, data->offset, data->mask, data->value);  in syscon_poweroff()
35 	pr_emerg("Unable to poweroff system\n");  in syscon_poweroff()
42 	struct device *dev = &pdev->dev;  in syscon_poweroff_probe()
48 		return -ENOMEM;  in syscon_poweroff_probe()
50 	data->map = syscon_regmap_lookup_by_phandle(dev->of_node, "regmap");  in syscon_poweroff_probe()
51 	if (IS_ERR(data->map)) {  in syscon_poweroff_probe()
52 		data->map = syscon_node_to_regmap(dev->parent->of_node);  in syscon_poweroff_probe()
53 		if (IS_ERR(data->map)) {  in syscon_poweroff_probe()
54 			dev_err(dev, "unable to get syscon");  in syscon_poweroff_probe()
55 			return PTR_ERR(data->map);  in syscon_poweroff_probe()
59 	if (of_property_read_u32(dev->of_node, "offset", &data->offset)) {  in syscon_poweroff_probe()
61 		return -EINVAL;  in syscon_poweroff_probe()
64 	value_err = of_property_read_u32(dev->of_node, "value", &data->value);  in syscon_poweroff_probe()
65 	mask_err = of_property_read_u32(dev->of_node, "mask", &data->mask);  in syscon_poweroff_probe()
68 		return -EINVAL;  in syscon_poweroff_probe()
73 		data->value = data->mask;  in syscon_poweroff_probe()
74 		data->mask = 0xFFFFFFFF;  in syscon_poweroff_probe()
77 		data->mask = 0xFFFFFFFF;  in syscon_poweroff_probe()
80 	return devm_register_sys_off_handler(&pdev->dev,  in syscon_poweroff_probe()
87 	{ .compatible = "syscon-poweroff" },
94 		.name = "syscon-poweroff",