2  * max77693.c - mfd core driver for the MAX 77693
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
35 #include <linux/mfd/max77693.h>
36 #include <linux/mfd/max77693-common.h>
37 #include <linux/mfd/max77693-private.h>
41 #define I2C_ADDR_PMIC	(0xCC >> 1)	/* Charger, Flash LED */
46 	{ .name = "max77693-pmic", },
48 		.name = "max77693-charger",
49 		.of_compatible = "maxim,max77693-charger",
52 		.name = "max77693-muic",
53 		.of_compatible = "maxim,max77693-muic",
56 		.name = "max77693-haptic",
57 		.of_compatible = "maxim,max77693-haptic",
60 		.name = "max77693-led",
61 		.of_compatible = "maxim,max77693-led",
80 	.name			= "max77693-led",
96 	.name			= "max77693-topsys",
114 	.name			= "max77693-charger",
151 	.name			= "max77693-muic",
169 	struct max77693_dev *max77693;  in max77693_i2c_probe()  local
173 	max77693 = devm_kzalloc(&i2c->dev,  in max77693_i2c_probe()
175 	if (max77693 == NULL)  in max77693_i2c_probe()
176 		return -ENOMEM;  in max77693_i2c_probe()
178 	i2c_set_clientdata(i2c, max77693);  in max77693_i2c_probe()
179 	max77693->dev = &i2c->dev;  in max77693_i2c_probe()
180 	max77693->i2c = i2c;  in max77693_i2c_probe()
181 	max77693->irq = i2c->irq;  in max77693_i2c_probe()
182 	max77693->type = id->driver_data;  in max77693_i2c_probe()
184 	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);  in max77693_i2c_probe()
185 	if (IS_ERR(max77693->regmap)) {  in max77693_i2c_probe()
186 		ret = PTR_ERR(max77693->regmap);  in max77693_i2c_probe()
187 		dev_err(max77693->dev, "failed to allocate register map: %d\n",  in max77693_i2c_probe()
192 	ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,  in max77693_i2c_probe()
195 		dev_err(max77693->dev, "device not found on this channel\n");  in max77693_i2c_probe()
198 		dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);  in max77693_i2c_probe()
200 	max77693->i2c_muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);  in max77693_i2c_probe()
201 	if (!max77693->i2c_muic) {  in max77693_i2c_probe()
202 		dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");  in max77693_i2c_probe()
203 		return -ENODEV;  in max77693_i2c_probe()
205 	i2c_set_clientdata(max77693->i2c_muic, max77693);  in max77693_i2c_probe()
207 	max77693->i2c_haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);  in max77693_i2c_probe()
208 	if (!max77693->i2c_haptic) {  in max77693_i2c_probe()
209 		dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");  in max77693_i2c_probe()
210 		ret = -ENODEV;  in max77693_i2c_probe()
213 	i2c_set_clientdata(max77693->i2c_haptic, max77693);  in max77693_i2c_probe()
215 	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->i2c_haptic,  in max77693_i2c_probe()
217 	if (IS_ERR(max77693->regmap_haptic)) {  in max77693_i2c_probe()
218 		ret = PTR_ERR(max77693->regmap_haptic);  in max77693_i2c_probe()
219 		dev_err(max77693->dev,  in max77693_i2c_probe()
225 	 * Initialize register map for MUIC device because use regmap-muic  in max77693_i2c_probe()
226 	 * instance of MUIC device when irq of max77693 is initialized  in max77693_i2c_probe()
227 	 * before call max77693-muic probe() function.  in max77693_i2c_probe()
229 	max77693->regmap_muic = devm_regmap_init_i2c(max77693->i2c_muic,  in max77693_i2c_probe()
231 	if (IS_ERR(max77693->regmap_muic)) {  in max77693_i2c_probe()
232 		ret = PTR_ERR(max77693->regmap_muic);  in max77693_i2c_probe()
233 		dev_err(max77693->dev,  in max77693_i2c_probe()
238 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
242 				&max77693->irq_data_led);  in max77693_i2c_probe()
244 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
248 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
252 				&max77693->irq_data_topsys);  in max77693_i2c_probe()
254 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
258 	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,  in max77693_i2c_probe()
262 				&max77693->irq_data_chg);  in max77693_i2c_probe()
264 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
268 	ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq,  in max77693_i2c_probe()
272 				&max77693->irq_data_muic);  in max77693_i2c_probe()
274 		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);  in max77693_i2c_probe()
279 	ret = regmap_update_bits(max77693->regmap,  in max77693_i2c_probe()
283 		dev_err(max77693->dev,  in max77693_i2c_probe()
289 	pm_runtime_set_active(max77693->dev);  in max77693_i2c_probe()
291 	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,  in max77693_i2c_probe()
299 	mfd_remove_devices(max77693->dev);  in max77693_i2c_probe()
301 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);  in max77693_i2c_probe()
303 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);  in max77693_i2c_probe()
305 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);  in max77693_i2c_probe()
307 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);  in max77693_i2c_probe()
309 	i2c_unregister_device(max77693->i2c_haptic);  in max77693_i2c_probe()
311 	i2c_unregister_device(max77693->i2c_muic);  in max77693_i2c_probe()
317 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_i2c_remove()  local
319 	mfd_remove_devices(max77693->dev);  in max77693_i2c_remove()
321 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);  in max77693_i2c_remove()
322 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_chg);  in max77693_i2c_remove()
323 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);  in max77693_i2c_remove()
324 	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);  in max77693_i2c_remove()
326 	i2c_unregister_device(max77693->i2c_muic);  in max77693_i2c_remove()
327 	i2c_unregister_device(max77693->i2c_haptic);  in max77693_i2c_remove()
333 	{ "max77693", TYPE_MAX77693 },
341 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_suspend()  local
344 		enable_irq_wake(max77693->irq);  in max77693_suspend()
345 		disable_irq(max77693->irq);  in max77693_suspend()
354 	struct max77693_dev *max77693 = i2c_get_clientdata(i2c);  in max77693_resume()  local
357 		disable_irq_wake(max77693->irq);  in max77693_resume()
358 		enable_irq(max77693->irq);  in max77693_resume()
371 	{ .compatible = "maxim,max77693" },
379 		   .name = "max77693",
390 MODULE_DESCRIPTION("MAXIM 77693 multi-function core driver");