3 // max14577.c - mfd core driver for the Maxim 14577/77836
16 #include <linux/mfd/max14577.h>
17 #include <linux/mfd/max14577-private.h>
102 		.name = "max14577-muic",
103 		.of_compatible = "maxim,max14577-muic",
106 		.name = "max14577-regulator",
107 		.of_compatible = "maxim,max14577-regulator",
110 		.name = "max14577-charger",
111 		.of_compatible = "maxim,max14577-charger",
136 		.compatible = "maxim,max14577",
159 	/* Any max14577 volatile registers are also max77836 volatile. */  in max77836_muic_volatile_reg()
210 	.name			= "max14577",
261 static void max14577_print_dev_type(struct max14577 *max14577)  in max14577_print_dev_type()  argument
266 	ret = max14577_read_reg(max14577->regmap, MAX14577_REG_DEVICEID,  in max14577_print_dev_type()
269 		dev_err(max14577->dev,  in max14577_print_dev_type()
279 	dev_info(max14577->dev, "Device type: %u (ID: 0x%x, vendor: 0x%x)\n",  in max14577_print_dev_type()
280 			max14577->dev_type, device_id, vendor_id);  in max14577_print_dev_type()
292 static int max77836_init(struct max14577 *max14577)  in max77836_init()  argument
297 	max14577->i2c_pmic = i2c_new_dummy_device(max14577->i2c->adapter,  in max77836_init()
299 	if (IS_ERR(max14577->i2c_pmic)) {  in max77836_init()
300 		dev_err(max14577->dev, "Failed to register PMIC I2C device\n");  in max77836_init()
301 		return PTR_ERR(max14577->i2c_pmic);  in max77836_init()
303 	i2c_set_clientdata(max14577->i2c_pmic, max14577);  in max77836_init()
305 	max14577->regmap_pmic = devm_regmap_init_i2c(max14577->i2c_pmic,  in max77836_init()
307 	if (IS_ERR(max14577->regmap_pmic)) {  in max77836_init()
308 		ret = PTR_ERR(max14577->regmap_pmic);  in max77836_init()
309 		dev_err(max14577->dev, "Failed to allocate PMIC register map: %d\n",  in max77836_init()
315 	ret = max14577_read_reg(max14577->regmap_pmic,  in max77836_init()
318 		dev_err(max14577->dev, "Failed to read PMIC register\n");  in max77836_init()
324 	ret = max14577_write_reg(max14577->regmap_pmic,  in max77836_init()
327 		dev_err(max14577->dev, "Failed to write PMIC register\n");  in max77836_init()
331 	ret = regmap_add_irq_chip(max14577->regmap_pmic, max14577->irq,  in max77836_init()
334 			&max14577->irq_data_pmic);  in max77836_init()
336 		dev_err(max14577->dev, "Failed to request PMIC IRQ %d: %d\n",  in max77836_init()
337 				max14577->irq, ret);  in max77836_init()
344 	i2c_unregister_device(max14577->i2c_pmic);  in max77836_init()
352 static void max77836_remove(struct max14577 *max14577)  in max77836_remove()  argument
354 	regmap_del_irq_chip(max14577->irq, max14577->irq_data_pmic);  in max77836_remove()
355 	i2c_unregister_device(max14577->i2c_pmic);  in max77836_remove()
361 	struct max14577 *max14577;  in max14577_i2c_probe()  local
382 	max14577 = devm_kzalloc(&i2c->dev, sizeof(*max14577), GFP_KERNEL);  in max14577_i2c_probe()
383 	if (!max14577)  in max14577_i2c_probe()
386 	i2c_set_clientdata(i2c, max14577);  in max14577_i2c_probe()
387 	max14577->dev = &i2c->dev;  in max14577_i2c_probe()
388 	max14577->i2c = i2c;  in max14577_i2c_probe()
389 	max14577->irq = i2c->irq;  in max14577_i2c_probe()
391 	max14577->regmap = devm_regmap_init_i2c(i2c,  in max14577_i2c_probe()
393 	if (IS_ERR(max14577->regmap)) {  in max14577_i2c_probe()
394 		ret = PTR_ERR(max14577->regmap);  in max14577_i2c_probe()
395 		dev_err(max14577->dev, "Failed to allocate register map: %d\n",  in max14577_i2c_probe()
405 			max14577->dev_type = (uintptr_t)of_id->data;  in max14577_i2c_probe()
407 		max14577->dev_type = id->driver_data;  in max14577_i2c_probe()
410 	max14577_print_dev_type(max14577);  in max14577_i2c_probe()
412 	switch (max14577->dev_type) {  in max14577_i2c_probe()
428 	ret = regmap_add_irq_chip(max14577->regmap, max14577->irq,  in max14577_i2c_probe()
430 				  &max14577->irq_data);  in max14577_i2c_probe()
433 				max14577->irq, ret);  in max14577_i2c_probe()
438 	if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836) {  in max14577_i2c_probe()
439 		ret = max77836_init(max14577);  in max14577_i2c_probe()
444 	ret = mfd_add_devices(max14577->dev, -1, mfd_devs,  in max14577_i2c_probe()
449 	device_init_wakeup(max14577->dev, 1);  in max14577_i2c_probe()
454 	if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836)  in max14577_i2c_probe()
455 		max77836_remove(max14577);  in max14577_i2c_probe()
457 	regmap_del_irq_chip(max14577->irq, max14577->irq_data);  in max14577_i2c_probe()
464 	struct max14577 *max14577 = i2c_get_clientdata(i2c);  in max14577_i2c_remove()  local
466 	mfd_remove_devices(max14577->dev);  in max14577_i2c_remove()
467 	regmap_del_irq_chip(max14577->irq, max14577->irq_data);  in max14577_i2c_remove()
468 	if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836)  in max14577_i2c_remove()
469 		max77836_remove(max14577);  in max14577_i2c_remove()
473 	{ "max14577", MAXIM_DEVICE_TYPE_MAX14577, },
482 	struct max14577 *max14577 = i2c_get_clientdata(i2c);  in max14577_suspend()  local
485 		enable_irq_wake(max14577->irq);  in max14577_suspend()
495 	disable_irq(max14577->irq);  in max14577_suspend()
503 	struct max14577 *max14577 = i2c_get_clientdata(i2c);  in max14577_resume()  local
506 		disable_irq_wake(max14577->irq);  in max14577_resume()
507 	enable_irq(max14577->irq);  in max14577_resume()
516 		.name = "max14577",