3 // max8998.c - mfd core driver for the Maxim 8998
19 #include <linux/mfd/max8998.h>
20 #include <linux/mfd/max8998-private.h>
26 		.name = "max8998-pmic",
28 		.name = "max8998-rtc",
30 		.name = "max8998-battery",
44 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_read_reg()  local
47 	mutex_lock(&max8998->iolock);  in max8998_read_reg()
49 	mutex_unlock(&max8998->iolock);  in max8998_read_reg()
61 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_bulk_read()  local
64 	mutex_lock(&max8998->iolock);  in max8998_bulk_read()
66 	mutex_unlock(&max8998->iolock);  in max8998_bulk_read()
76 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_write_reg()  local
79 	mutex_lock(&max8998->iolock);  in max8998_write_reg()
81 	mutex_unlock(&max8998->iolock);  in max8998_write_reg()
88 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_bulk_write()  local
91 	mutex_lock(&max8998->iolock);  in max8998_bulk_write()
93 	mutex_unlock(&max8998->iolock);  in max8998_bulk_write()
103 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_update_reg()  local
106 	mutex_lock(&max8998->iolock);  in max8998_update_reg()
113 	mutex_unlock(&max8998->iolock);  in max8998_update_reg()
120 	{ .compatible = "maxim,max8998", .data = (void *)TYPE_MAX8998 },
128  * Only the common platform data elements for max8998 are parsed here from the
129  * device tree. Other sub-modules of max8998 such as pmic, rtc and others have
132  * The max8998 platform data structure is instantiated here and the drivers for
158 	struct max8998_dev *max8998;  in max8998_i2c_probe()  local
161 	max8998 = devm_kzalloc(&i2c->dev, sizeof(struct max8998_dev),  in max8998_i2c_probe()
163 	if (max8998 == NULL)  in max8998_i2c_probe()
172 	i2c_set_clientdata(i2c, max8998);  in max8998_i2c_probe()
173 	max8998->dev = &i2c->dev;  in max8998_i2c_probe()
174 	max8998->i2c = i2c;  in max8998_i2c_probe()
175 	max8998->irq = i2c->irq;  in max8998_i2c_probe()
176 	max8998->type = (uintptr_t)i2c_get_match_data(i2c);  in max8998_i2c_probe()
177 	max8998->pdata = pdata;  in max8998_i2c_probe()
179 		max8998->ono = pdata->ono;  in max8998_i2c_probe()
180 		max8998->irq_base = pdata->irq_base;  in max8998_i2c_probe()
181 		max8998->wakeup = pdata->wakeup;  in max8998_i2c_probe()
183 	mutex_init(&max8998->iolock);  in max8998_i2c_probe()
185 	max8998->rtc = i2c_new_dummy_device(i2c->adapter, RTC_I2C_ADDR);  in max8998_i2c_probe()
186 	if (IS_ERR(max8998->rtc)) {  in max8998_i2c_probe()
188 		return PTR_ERR(max8998->rtc);  in max8998_i2c_probe()
190 	i2c_set_clientdata(max8998->rtc, max8998);  in max8998_i2c_probe()
192 	max8998_irq_init(max8998);  in max8998_i2c_probe()
194 	pm_runtime_set_active(max8998->dev);  in max8998_i2c_probe()
196 	switch (max8998->type) {  in max8998_i2c_probe()
198 		ret = mfd_add_devices(max8998->dev, -1,  in max8998_i2c_probe()
203 		ret = mfd_add_devices(max8998->dev, -1,  in max8998_i2c_probe()
214 	device_init_wakeup(max8998->dev, max8998->wakeup);  in max8998_i2c_probe()
219 	mfd_remove_devices(max8998->dev);  in max8998_i2c_probe()
220 	max8998_irq_exit(max8998);  in max8998_i2c_probe()
221 	i2c_unregister_device(max8998->rtc);  in max8998_i2c_probe()
226 	{ "max8998", TYPE_MAX8998 },
234 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_suspend()  local
237 		irq_set_irq_wake(max8998->irq, 1);  in max8998_suspend()
244 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);  in max8998_resume()  local
247 		irq_set_irq_wake(max8998->irq, 0);  in max8998_resume()
335 		   .name = "max8998",