221 static int as3722_check_device_id(struct as3722 *as3722)  in as3722_check_device_id()  argument
227 	ret = as3722_read(as3722, AS3722_ASIC_ID1_REG, &val);  in as3722_check_device_id()
229 		dev_err(as3722->dev, "ASIC_ID1 read failed: %d\n", ret);  in as3722_check_device_id()
234 		dev_err(as3722->dev, "Device is not AS3722, ID is 0x%x\n", val);  in as3722_check_device_id()
238 	ret = as3722_read(as3722, AS3722_ASIC_ID2_REG, &val);  in as3722_check_device_id()
240 		dev_err(as3722->dev, "ASIC_ID2 read failed: %d\n", ret);  in as3722_check_device_id()
244 	dev_info(as3722->dev, "AS3722 with revision 0x%x found\n", val);  in as3722_check_device_id()
248 static int as3722_configure_pullups(struct as3722 *as3722)  in as3722_configure_pullups()  argument
253 	if (as3722->en_intern_int_pullup)  in as3722_configure_pullups()
255 	if (as3722->en_intern_i2c_pullup)  in as3722_configure_pullups()
258 	ret = as3722_update_bits(as3722, AS3722_IOVOLTAGE_REG,  in as3722_configure_pullups()
261 		dev_err(as3722->dev, "IOVOLTAGE_REG update failed: %d\n", ret);  in as3722_configure_pullups()
332 			struct as3722 *as3722)  in as3722_i2c_of_probe()  argument
348 	as3722->en_intern_int_pullup = of_property_read_bool(np,  in as3722_i2c_of_probe()
350 	as3722->en_intern_i2c_pullup = of_property_read_bool(np,  in as3722_i2c_of_probe()
352 	as3722->en_ac_ok_pwr_on = of_property_read_bool(np,  in as3722_i2c_of_probe()
354 	as3722->irq_flags = irqd_get_trigger_type(irq_data);  in as3722_i2c_of_probe()
355 	dev_dbg(&i2c->dev, "IRQ flags are 0x%08lx\n", as3722->irq_flags);  in as3722_i2c_of_probe()
362 	struct as3722 *as3722;  in as3722_i2c_probe()  local
367 	as3722 = devm_kzalloc(&i2c->dev, sizeof(struct as3722), GFP_KERNEL);  in as3722_i2c_probe()
368 	if (!as3722)  in as3722_i2c_probe()
371 	as3722->dev = &i2c->dev;  in as3722_i2c_probe()
372 	as3722->chip_irq = i2c->irq;  in as3722_i2c_probe()
373 	i2c_set_clientdata(i2c, as3722);  in as3722_i2c_probe()
375 	ret = as3722_i2c_of_probe(i2c, as3722);  in as3722_i2c_probe()
379 	as3722->regmap = devm_regmap_init_i2c(i2c, &as3722_regmap_config);  in as3722_i2c_probe()
380 	if (IS_ERR(as3722->regmap)) {  in as3722_i2c_probe()
381 		ret = PTR_ERR(as3722->regmap);  in as3722_i2c_probe()
386 	ret = as3722_check_device_id(as3722);  in as3722_i2c_probe()
390 	irq_flags = as3722->irq_flags | IRQF_ONESHOT;  in as3722_i2c_probe()
391 	ret = devm_regmap_add_irq_chip(as3722->dev, as3722->regmap,  in as3722_i2c_probe()
392 				       as3722->chip_irq,  in as3722_i2c_probe()
394 				       &as3722->irq_data);  in as3722_i2c_probe()
396 		dev_err(as3722->dev, "Failed to add regmap irq: %d\n", ret);  in as3722_i2c_probe()
400 	ret = as3722_configure_pullups(as3722);  in as3722_i2c_probe()
404 	if (as3722->en_ac_ok_pwr_on)  in as3722_i2c_probe()
406 	ret = as3722_update_bits(as3722, AS3722_CTRL_SEQU1_REG,  in as3722_i2c_probe()
409 		dev_err(as3722->dev, "CTRLsequ1 update failed: %d\n", ret);  in as3722_i2c_probe()
415 				   regmap_irq_get_domain(as3722->irq_data));  in as3722_i2c_probe()
417 		dev_err(as3722->dev, "Failed to add MFD devices: %d\n", ret);  in as3722_i2c_probe()
421 	device_init_wakeup(as3722->dev, true);  in as3722_i2c_probe()
423 	dev_dbg(as3722->dev, "AS3722 core driver initialized successfully\n");  in as3722_i2c_probe()
429 	struct as3722 *as3722 = dev_get_drvdata(dev);  in as3722_i2c_suspend()  local
432 		enable_irq_wake(as3722->chip_irq);  in as3722_i2c_suspend()
433 	disable_irq(as3722->chip_irq);  in as3722_i2c_suspend()
440 	struct as3722 *as3722 = dev_get_drvdata(dev);  in as3722_i2c_resume()  local
442 	enable_irq(as3722->chip_irq);  in as3722_i2c_resume()
445 		disable_irq_wake(as3722->chip_irq);  in as3722_i2c_resume()