1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Hardware monitoring driver for the Infineon IRPS5401M PMIC.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2019 SED Systems, a division of Calian Ltd.
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * The device supports VOUT_PEAK, IOUT_PEAK, and TEMPERATURE_PEAK, however
8*4882a593Smuzhiyun * this driver does not currently support them.
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/err.h>
12*4882a593Smuzhiyun #include <linux/i2c.h>
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/kernel.h>
15*4882a593Smuzhiyun #include <linux/module.h>
16*4882a593Smuzhiyun #include "pmbus.h"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #define IRPS5401_SW_FUNC (PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | \
19*4882a593Smuzhiyun PMBUS_HAVE_STATUS_INPUT | \
20*4882a593Smuzhiyun PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \
21*4882a593Smuzhiyun PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \
22*4882a593Smuzhiyun PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \
23*4882a593Smuzhiyun PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP)
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun #define IRPS5401_LDO_FUNC (PMBUS_HAVE_VIN | \
26*4882a593Smuzhiyun PMBUS_HAVE_STATUS_INPUT | \
27*4882a593Smuzhiyun PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \
28*4882a593Smuzhiyun PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \
29*4882a593Smuzhiyun PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | \
30*4882a593Smuzhiyun PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP)
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun static struct pmbus_driver_info irps5401_info = {
33*4882a593Smuzhiyun .pages = 5,
34*4882a593Smuzhiyun .func[0] = IRPS5401_SW_FUNC,
35*4882a593Smuzhiyun .func[1] = IRPS5401_SW_FUNC,
36*4882a593Smuzhiyun .func[2] = IRPS5401_SW_FUNC,
37*4882a593Smuzhiyun .func[3] = IRPS5401_SW_FUNC,
38*4882a593Smuzhiyun .func[4] = IRPS5401_LDO_FUNC,
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun
irps5401_probe(struct i2c_client * client)41*4882a593Smuzhiyun static int irps5401_probe(struct i2c_client *client)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun return pmbus_do_probe(client, &irps5401_info);
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun static const struct i2c_device_id irps5401_id[] = {
47*4882a593Smuzhiyun {"irps5401", 0},
48*4882a593Smuzhiyun {}
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, irps5401_id);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun static struct i2c_driver irps5401_driver = {
54*4882a593Smuzhiyun .driver = {
55*4882a593Smuzhiyun .name = "irps5401",
56*4882a593Smuzhiyun },
57*4882a593Smuzhiyun .probe_new = irps5401_probe,
58*4882a593Smuzhiyun .remove = pmbus_do_remove,
59*4882a593Smuzhiyun .id_table = irps5401_id,
60*4882a593Smuzhiyun };
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun module_i2c_driver(irps5401_driver);
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun MODULE_AUTHOR("Robert Hancock");
65*4882a593Smuzhiyun MODULE_DESCRIPTION("PMBus driver for Infineon IRPS5401");
66*4882a593Smuzhiyun MODULE_LICENSE("GPL");
67