1 // SPDX-License-Identifier: GPL-2.0-only
18 /* 88pm80x chips have same definition for chip id register. */
24 	unsigned int	id;  member
29 	/* 88PM800 chip id number */
31 	/* 88PM805 chip id number */
33 	/* 88PM860 chip id number */
51 int pm80x_init(struct i2c_client *client)  in pm80x_init()  argument
59 	    devm_kzalloc(&client->dev, sizeof(struct pm80x_chip), GFP_KERNEL);  in pm80x_init()
61 		return -ENOMEM;  in pm80x_init()
63 	map = devm_regmap_init_i2c(client, &pm80x_regmap_config);  in pm80x_init()
66 		dev_err(&client->dev, "Failed to allocate register map: %d\n",  in pm80x_init()
71 	chip->client = client;  in pm80x_init()
72 	chip->regmap = map;  in pm80x_init()
74 	chip->irq = client->irq;  in pm80x_init()
76 	chip->dev = &client->dev;  in pm80x_init()
77 	dev_set_drvdata(chip->dev, chip);  in pm80x_init()
78 	i2c_set_clientdata(chip->client, chip);  in pm80x_init()
80 	ret = regmap_read(chip->regmap, PM80X_CHIP_ID, &val);  in pm80x_init()
82 		dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);  in pm80x_init()
87 		if (chip_mapping[i].id == PM80X_CHIP_ID_NUM(val)) {  in pm80x_init()
88 			chip->type = chip_mapping[i].type;  in pm80x_init()
94 		dev_err(chip->dev,  in pm80x_init()
96 		return -EINVAL;  in pm80x_init()
99 	device_init_wakeup(&client->dev, 1);  in pm80x_init()
110 		chip->companion = g_pm80x_chip->client;  in pm80x_init()
111 		g_pm80x_chip->companion = chip->client;  in pm80x_init()
124 	if (g_pm80x_chip->companion)  in pm80x_deinit()
125 		g_pm80x_chip->companion = NULL;  in pm80x_deinit()
135 	struct i2c_client *client = to_i2c_client(dev);  in pm80x_suspend()  local
136 	struct pm80x_chip *chip = i2c_get_clientdata(client);  in pm80x_suspend()
138 	if (chip && chip->wu_flag)  in pm80x_suspend()
139 		if (device_may_wakeup(chip->dev))  in pm80x_suspend()
140 			enable_irq_wake(chip->irq);  in pm80x_suspend()
147 	struct i2c_client *client = to_i2c_client(dev);  in pm80x_resume()  local
148 	struct pm80x_chip *chip = i2c_get_clientdata(client);  in pm80x_resume()
150 	if (chip && chip->wu_flag)  in pm80x_resume()
151 		if (device_may_wakeup(chip->dev))  in pm80x_resume()
152 			disable_irq_wake(chip->irq);  in pm80x_resume()