1 // SPDX-License-Identifier: GPL-2.0+
3 // max77693.c - mfd core driver for the MAX 77693
21 #include <linux/mfd/max77693.h>
22 #include <linux/mfd/max77693-common.h>
23 #include <linux/mfd/max77693-private.h>
32 	{ .name = "max77693-pmic", },
34 		.name = "max77693-charger",
35 		.of_compatible = "maxim,max77693-charger",
38 		.name = "max77693-muic",
39 		.of_compatible = "maxim,max77693-muic",
42 		.name = "max77693-haptic",
43 		.of_compatible = "maxim,max77693-haptic",
46 		.name = "max77693-led",
47 		.of_compatible = "maxim,max77693-led",
66 	.name			= "max77693-led",
82 	.name			= "max77693-topsys",
100 	.name			= "max77693-charger",
137 	.name			= "max77693-muic",
155 	struct max77693_dev *max77693;  in max77693_i2c_probe()  local
159 	max77693 = devm_kzalloc(&i2c->dev,  in max77693_i2c_probe()
161 	if (max77693 == NULL)  in max77693_i2c_probe()
162 		return -ENOMEM;  in max77693_i2c_probe()
164 	i2c_set_clientdata(i2c, max77693);  in max77693_i2c_probe()
165 	max77693->dev = &i2c->dev;  in max77693_i2c_probe()
166 	max77693->i2c = i2c;  in max77693_i2c_probe()
167 	max77693->irq = i2c->irq;  in max77693_i2c_probe()
168 	max77693->type = id->driver_data;  in max77693_i2c_probe()
170 	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);  in max77693_i2c_probe()
171 	if (IS_ERR(max77693->regmap)) {  in max77693_i2c_probe()
172 		ret = PTR_ERR(max77693->regmap);  in max77693_i2c_probe()
173 		dev_err(max77693->dev, "failed to allocate register map: %d\n",  in max77693_i2c_probe()
178 	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,  in max77693_i2c_probe()
181 		dev_err(max77693->dev, "device not found on this channel\n");  in max77693_i2c_probe()
184 		dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);  in max77693_i2c_probe()
186 	max77693->i2c_muic = i2c_new_dummy_device(i2c->adapter, I2C_ADDR_MUIC);  in max77693_i2c_probe()
187 	if (IS_ERR(max77693->i2c_muic)) {  in max77693_i2c_probe()
188 		dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");  in max77693_i2c_probe()
189 		return PTR_ERR(max77693->i2c_muic);  in max77693_i2c_probe()
191 	i2c_set_clientdata(max77693->i2c_muic, max77693);  in max77693_i2c_probe()
193 	max77693->i2c_haptic = i2c_new_dummy_device(i2c->adapter, I2C_ADDR_HAPTIC);  in max77693_i2c_probe()
194 	if (IS_ERR(max77693->i2c_haptic)) {  in max77693_i2c_probe()
195 		dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");  in max77693_i2c_probe()
196 		ret = PTR_ERR(max77693->i2c_haptic);  in max77693_i2c_probe()
199 	i2c_set_clientdata(max77693->i2c_haptic, max77693);  in max77693_i2c_probe()
201 	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_haptic,  in max77693_i2c_probe()
203 	if (IS_ERR(max77693->regmap_haptic)) {  in max77693_i2c_probe()
204 		ret = PTR_ERR(max77693->regmap_haptic);  in max77693_i2c_probe()
205 		dev_err(max77693->dev,  in max77693_i2c_probe()
206 			"failed to initialize haptic register map: %d\n", ret);  in max77693_i2c_probe()
211 	 * Initialize register map for MUIC device because use regmap-muic  in max77693_i2c_probe()
212 	 * instance of MUIC device when irq of max77693 is initialized  in max77693_i2c_probe()
213 	 * before call max77693-muic probe() function.  in max77693_i2c_probe()
215 	max77693->regmap_muic = devm_regmap_init_i2c(max77693->i2c_muic,  in max77693_i2c_probe()
217 	if (IS_ERR(max77693->regmap_muic)) {  in max77693_i2c_probe()
218 		ret = PTR_ERR(max77693->regmap_muic);  in max77693_i2c_probe()
219 		dev_err(max77693->dev,  in max77693_i2c_probe()
224 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
227 				&max77693->irq_data_led);  in max77693_i2c_probe()
229 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
233 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
236 				&max77693->irq_data_topsys);  in max77693_i2c_probe()
238 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
242 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
245 				&max77693->irq_data_chg);  in max77693_i2c_probe()
247 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
251 	ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,  in max77693_i2c_probe()
254 				&max77693->irq_data_muic);  in max77693_i2c_probe()
256 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
261 	ret = regmap_update_bits(max77693->regmap,  in max77693_i2c_probe()
265 		dev_err(max77693->dev,  in max77693_i2c_probe()
271 	pm_runtime_set_active(max77693->dev);  in max77693_i2c_probe()
273 	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,  in max77693_i2c_probe()
281 	mfd_remove_devices(max77693->dev);  in max77693_i2c_probe()
283 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);  in max77693_i2c_probe()
285 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);  in max77693_i2c_probe()
287 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);  in max77693_i2c_probe()
289 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);  in max77693_i2c_probe()
291 	i2c_unregister_device(max77693->i2c_haptic);  in max77693_i2c_probe()
293 	i2c_unregister_device(max77693->i2c_muic);  in max77693_i2c_probe()
299 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_i2c_remove()  local
301 	mfd_remove_devices(max77693->dev);  in max77693_i2c_remove()
303 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);  in max77693_i2c_remove()
304 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);  in max77693_i2c_remove()
305 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);  in max77693_i2c_remove()
306 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);  in max77693_i2c_remove()
308 	i2c_unregister_device(max77693->i2c_muic);  in max77693_i2c_remove()
309 	i2c_unregister_device(max77693->i2c_haptic);  in max77693_i2c_remove()
313 	{ "max77693", TYPE_MAX77693 },
321 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_suspend()  local
324 		enable_irq_wake(max77693->irq);  in max77693_suspend()
325 		disable_irq(max77693->irq);  in max77693_suspend()
334 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_resume()  local
337 		disable_irq_wake(max77693->irq);  in max77693_resume()
338 		enable_irq(max77693->irq);  in max77693_resume()
351 	{ .compatible = "maxim,max77693" },
359 		   .name = "max77693",
370 MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");