1 // SPDX-License-Identifier: GPL-2.0+
3 // max77686.c - mfd core driver for the Maxim 77686/802
9 //This driver is based on max8997.c
20 #include <linux/mfd/max77686-private.h>
25 	{ .name = "max77686-pmic", },
26 	{ .name = "max77686-rtc", },
27 	{ .name = "max77686-clk", },
31 	{ .name = "max77802-pmic", },
32 	{ .name = "max77802-clk", },
33 	{ .name = "max77802-rtc", },
110 	.name = "max77802-pmic",
130 	.name			= "max77686-pmic",
139 	.name			= "max77802-pmic",
170 	max77686 = devm_kzalloc(&i2c->dev,  in max77686_i2c_probe()
173 		return -ENOMEM;  in max77686_i2c_probe()
176 	max77686->type = (unsigned long)of_device_get_match_data(&i2c->dev);  in max77686_i2c_probe()
177 	max77686->dev = &i2c->dev;  in max77686_i2c_probe()
178 	max77686->i2c = i2c;  in max77686_i2c_probe()
180 	max77686->irq = i2c->irq;  in max77686_i2c_probe()
182 	if (max77686->type == TYPE_MAX77686) {  in max77686_i2c_probe()
194 	max77686->regmap = devm_regmap_init_i2c(i2c, config);  in max77686_i2c_probe()
195 	if (IS_ERR(max77686->regmap)) {  in max77686_i2c_probe()
196 		ret = PTR_ERR(max77686->regmap);  in max77686_i2c_probe()
197 		dev_err(max77686->dev, "Failed to allocate register map: %d\n",  in max77686_i2c_probe()
202 	ret = regmap_read(max77686->regmap, MAX77686_REG_DEVICE_ID, &data);  in max77686_i2c_probe()
204 		dev_err(max77686->dev,  in max77686_i2c_probe()
206 		return -ENODEV;  in max77686_i2c_probe()
209 	ret = devm_regmap_add_irq_chip(&i2c->dev, max77686->regmap,  in max77686_i2c_probe()
210 				       max77686->irq,  in max77686_i2c_probe()
212 				       &max77686->irq_data);  in max77686_i2c_probe()
214 		dev_err(&i2c->dev, "failed to add PMIC irq chip: %d\n", ret);  in max77686_i2c_probe()
218 	ret = devm_mfd_add_devices(max77686->dev, -1, cells, n_devs, NULL,  in max77686_i2c_probe()
221 		dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret);  in max77686_i2c_probe()
234 		enable_irq_wake(max77686->irq);  in max77686_suspend()
245 	disable_irq(max77686->irq);  in max77686_suspend()
256 		disable_irq_wake(max77686->irq);  in max77686_resume()
258 	enable_irq(max77686->irq);  in max77686_resume()
276 MODULE_DESCRIPTION("MAXIM 77686/802 multi-function core driver");