180503b23SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2983b97beSHartmut Knaack /* 351c2a487SLars-Peter Clausen * ADT7410/ADT7420 digital temperature sensor driver 4983b97beSHartmut Knaack * 551c2a487SLars-Peter Clausen * Copyright 2012-2013 Analog Devices Inc. 651c2a487SLars-Peter Clausen * Author: Lars-Peter Clausen <lars@metafoo.de> 7983b97beSHartmut Knaack */ 8983b97beSHartmut Knaack 9983b97beSHartmut Knaack #include <linux/module.h> 10983b97beSHartmut Knaack #include <linux/init.h> 11983b97beSHartmut Knaack #include <linux/i2c.h> 12983b97beSHartmut Knaack 1351c2a487SLars-Peter Clausen #include "adt7x10.h" 14983b97beSHartmut Knaack 1551c2a487SLars-Peter Clausen static int adt7410_i2c_read_word(struct device *dev, u8 reg) 1651c2a487SLars-Peter Clausen { 1751c2a487SLars-Peter Clausen return i2c_smbus_read_word_swapped(to_i2c_client(dev), reg); 1851c2a487SLars-Peter Clausen } 19983b97beSHartmut Knaack 2051c2a487SLars-Peter Clausen static int adt7410_i2c_write_word(struct device *dev, u8 reg, u16 data) 2151c2a487SLars-Peter Clausen { 2251c2a487SLars-Peter Clausen return i2c_smbus_write_word_swapped(to_i2c_client(dev), reg, data); 2351c2a487SLars-Peter Clausen } 24983b97beSHartmut Knaack 2551c2a487SLars-Peter Clausen static int adt7410_i2c_read_byte(struct device *dev, u8 reg) 2651c2a487SLars-Peter Clausen { 2751c2a487SLars-Peter Clausen return i2c_smbus_read_byte_data(to_i2c_client(dev), reg); 2851c2a487SLars-Peter Clausen } 29983b97beSHartmut Knaack 3051c2a487SLars-Peter Clausen static int adt7410_i2c_write_byte(struct device *dev, u8 reg, u8 data) 3151c2a487SLars-Peter Clausen { 3251c2a487SLars-Peter Clausen return i2c_smbus_write_byte_data(to_i2c_client(dev), reg, data); 3351c2a487SLars-Peter Clausen } 34983b97beSHartmut Knaack 3551c2a487SLars-Peter Clausen static const struct adt7x10_ops adt7410_i2c_ops = { 3651c2a487SLars-Peter Clausen .read_word = adt7410_i2c_read_word, 3751c2a487SLars-Peter Clausen .write_word = adt7410_i2c_write_word, 3851c2a487SLars-Peter Clausen .read_byte = adt7410_i2c_read_byte, 3951c2a487SLars-Peter Clausen .write_byte = adt7410_i2c_write_byte, 40983b97beSHartmut Knaack }; 41983b97beSHartmut Knaack 4267487038SStephen Kitt static int adt7410_i2c_probe(struct i2c_client *client) 43983b97beSHartmut Knaack { 44983b97beSHartmut Knaack if (!i2c_check_functionality(client->adapter, 45983b97beSHartmut Knaack I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) 46983b97beSHartmut Knaack return -ENODEV; 47983b97beSHartmut Knaack 484b5e536bSLars-Peter Clausen return adt7x10_probe(&client->dev, NULL, client->irq, &adt7410_i2c_ops); 49983b97beSHartmut Knaack } 50983b97beSHartmut Knaack 5151c2a487SLars-Peter Clausen static int adt7410_i2c_remove(struct i2c_client *client) 52983b97beSHartmut Knaack { 534b5e536bSLars-Peter Clausen return adt7x10_remove(&client->dev, client->irq); 54983b97beSHartmut Knaack } 55983b97beSHartmut Knaack 56983b97beSHartmut Knaack static const struct i2c_device_id adt7410_ids[] = { 5751c2a487SLars-Peter Clausen { "adt7410", 0 }, 5851c2a487SLars-Peter Clausen { "adt7420", 0 }, 5951c2a487SLars-Peter Clausen {} 60983b97beSHartmut Knaack }; 61983b97beSHartmut Knaack MODULE_DEVICE_TABLE(i2c, adt7410_ids); 62983b97beSHartmut Knaack 63983b97beSHartmut Knaack static struct i2c_driver adt7410_driver = { 64983b97beSHartmut Knaack .class = I2C_CLASS_HWMON, 65983b97beSHartmut Knaack .driver = { 66983b97beSHartmut Knaack .name = "adt7410", 6751c2a487SLars-Peter Clausen .pm = ADT7X10_DEV_PM_OPS, 68983b97beSHartmut Knaack }, 6967487038SStephen Kitt .probe_new = adt7410_i2c_probe, 7051c2a487SLars-Peter Clausen .remove = adt7410_i2c_remove, 71983b97beSHartmut Knaack .id_table = adt7410_ids, 7254be068dSLars-Peter Clausen .address_list = I2C_ADDRS(0x48, 0x49, 0x4a, 0x4b), 73983b97beSHartmut Knaack }; 74983b97beSHartmut Knaack module_i2c_driver(adt7410_driver); 75983b97beSHartmut Knaack 7651c2a487SLars-Peter Clausen MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); 7751c2a487SLars-Peter Clausen MODULE_DESCRIPTION("ADT7410/AD7420 driver"); 78983b97beSHartmut Knaack MODULE_LICENSE("GPL"); 79