xref: /linux/drivers/hwmon/pmbus/adp1050.c (revision 746680ec6696585e30db3e18c93a63df9cbec39c)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Hardware monitoring driver for Analog Devices ADP1050
4  *
5  * Copyright (C) 2024 Analog Devices, Inc.
6  */
7 #include <linux/bits.h>
8 #include <linux/i2c.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/module.h>
11 
12 #include "pmbus.h"
13 
14 #if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
15 static const struct regulator_desc adp1050_reg_desc[] = {
16 	PMBUS_REGULATOR_ONE("vout"),
17 };
18 #endif /* CONFIG_SENSORS_ADP1050_REGULATOR */
19 
20 static struct pmbus_driver_info adp1050_info = {
21 	.pages = 1,
22 	.format[PSC_VOLTAGE_IN] = linear,
23 	.format[PSC_VOLTAGE_OUT] = linear,
24 	.format[PSC_CURRENT_IN] = linear,
25 	.format[PSC_TEMPERATURE] = linear,
26 	.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
27 		| PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
28 		| PMBUS_HAVE_IIN | PMBUS_HAVE_TEMP
29 		| PMBUS_HAVE_STATUS_TEMP,
30 };
31 
32 static struct pmbus_driver_info adp1051_info = {
33 	.pages = 1,
34 	.format[PSC_VOLTAGE_IN] = linear,
35 	.format[PSC_VOLTAGE_OUT] = linear,
36 	.format[PSC_CURRENT_IN] = linear,
37 	.format[PSC_TEMPERATURE] = linear,
38 	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
39 		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
40 		| PMBUS_HAVE_TEMP
41 		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
42 		| PMBUS_HAVE_STATUS_INPUT
43 		| PMBUS_HAVE_STATUS_TEMP,
44 };
45 
46 static struct pmbus_driver_info adp1055_info = {
47 	.pages = 1,
48 	.format[PSC_VOLTAGE_IN] = linear,
49 	.format[PSC_VOLTAGE_OUT] = linear,
50 	.format[PSC_CURRENT_IN] = linear,
51 	.format[PSC_TEMPERATURE] = linear,
52 	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
53 		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
54 		| PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3
55 		| PMBUS_HAVE_POUT
56 		| PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_STATUS_IOUT
57 		| PMBUS_HAVE_STATUS_INPUT
58 		| PMBUS_HAVE_STATUS_TEMP,
59 };
60 
61 static struct pmbus_driver_info ltp8800_info = {
62 	.pages = 1,
63 	.format[PSC_VOLTAGE_IN] = linear,
64 	.format[PSC_VOLTAGE_OUT] = linear,
65 	.format[PSC_CURRENT_IN] = linear,
66 	.format[PSC_TEMPERATURE] = linear,
67 	.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN
68 		| PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT
69 		| PMBUS_HAVE_TEMP
70 		| PMBUS_HAVE_POUT
71 		| PMBUS_HAVE_STATUS_VOUT
72 		| PMBUS_HAVE_STATUS_INPUT
73 		| PMBUS_HAVE_STATUS_TEMP,
74 #if IS_ENABLED(CONFIG_SENSORS_ADP1050_REGULATOR)
75 	.num_regulators = 1,
76 	.reg_desc = adp1050_reg_desc,
77 #endif
78 };
79 
80 static int adp1050_probe(struct i2c_client *client)
81 {
82 	struct pmbus_driver_info *info;
83 
84 	info = (struct pmbus_driver_info *)i2c_get_match_data(client);
85 	if (!info)
86 		return -ENODEV;
87 
88 	return pmbus_do_probe(client, info);
89 }
90 
91 static const struct i2c_device_id adp1050_id[] = {
92 	{ .name = "adp1050", .driver_data = (kernel_ulong_t)&adp1050_info },
93 	{ .name = "adp1051", .driver_data = (kernel_ulong_t)&adp1051_info },
94 	{ .name = "adp1055", .driver_data = (kernel_ulong_t)&adp1055_info },
95 	{ .name = "ltp8800", .driver_data = (kernel_ulong_t)&ltp8800_info },
96 	{}
97 };
98 MODULE_DEVICE_TABLE(i2c, adp1050_id);
99 
100 static const struct of_device_id adp1050_of_match[] = {
101 	{ .compatible = "adi,adp1050", .data = &adp1050_info },
102 	{ .compatible = "adi,adp1051", .data = &adp1051_info },
103 	{ .compatible = "adi,adp1055", .data = &adp1055_info },
104 	{ .compatible = "adi,ltp8800", .data = &ltp8800_info },
105 	{}
106 };
107 MODULE_DEVICE_TABLE(of, adp1050_of_match);
108 
109 static struct i2c_driver adp1050_driver = {
110 	.driver = {
111 		.name = "adp1050",
112 		.of_match_table = adp1050_of_match,
113 	},
114 	.probe = adp1050_probe,
115 	.id_table = adp1050_id,
116 };
117 module_i2c_driver(adp1050_driver);
118 
119 MODULE_AUTHOR("Radu Sabau <radu.sabau@analog.com>");
120 MODULE_DESCRIPTION("Analog Devices ADP1050 HWMON PMBus Driver");
121 MODULE_LICENSE("GPL");
122 MODULE_IMPORT_NS("PMBUS");
123