diff options
| -rw-r--r-- | Documentation/hwmon/max20730.rst | 10 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/max20730.c | 49 |
3 files changed, 54 insertions, 9 deletions
diff --git a/Documentation/hwmon/max20730.rst b/Documentation/hwmon/max20730.rst index cea7ae58c2f7..cb0c95b2b1f6 100644 --- a/Documentation/hwmon/max20730.rst +++ b/Documentation/hwmon/max20730.rst @@ -5,6 +5,14 @@ Kernel driver max20730 Supported chips: + * Maxim MAX20710 + + Prefix: 'max20710' + + Addresses scanned: - + + Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20710.pdf + * Maxim MAX20730 Prefix: 'max20730' @@ -35,7 +43,7 @@ Author: Guenter Roeck <linux@roeck-us.net> Description ----------- -This driver implements support for Maxim MAX20730, MAX20734, and MAX20743 +This driver implements support for Maxim MAX20710, MAX20730, MAX20734, and MAX20743 Integrated, Step-Down Switching Regulators with PMBus support. The driver is a client driver to the core PMBus driver. diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index ea516cec1d35..e35db489b76f 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -156,10 +156,10 @@ config SENSORS_MAX16601 be called max16601. config SENSORS_MAX20730 - tristate "Maxim MAX20730, MAX20734, MAX20743" + tristate "Maxim MAX20710, MAX20730, MAX20734, MAX20743" help If you say yes here you get hardware monitoring support for Maxim - MAX20730, MAX20734, and MAX20743. + MAX20710, MAX20730, MAX20734, and MAX20743. This driver can also be built as a module. If so, the module will be called max20730. diff --git a/drivers/hwmon/pmbus/max20730.c b/drivers/hwmon/pmbus/max20730.c index c0bb05487e0e..a151a2b588a5 100644 --- a/drivers/hwmon/pmbus/max20730.c +++ b/drivers/hwmon/pmbus/max20730.c @@ -1,9 +1,10 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * Driver for MAX20730, MAX20734, and MAX20743 Integrated, Step-Down - * Switching Regulators + * Driver for MAX20710, MAX20730, MAX20734, and MAX20743 Integrated, + * Step-Down Switching Regulators * * Copyright 2019 Google LLC. + * Copyright 2020 Maxim Integrated */ #include <linux/bits.h> @@ -19,6 +20,7 @@ #include "pmbus.h" enum chips { + max20710, max20730, max20734, max20743 @@ -80,6 +82,7 @@ static long direct_to_val(u16 w, enum pmbus_sensor_classes class, } static u32 max_current[][5] = { + [max20710] = { 6200, 8000, 9700, 11600 }, [max20730] = { 13000, 16600, 20100, 23600 }, [max20734] = { 21000, 27000, 32000, 38000 }, [max20743] = { 18900, 24100, 29200, 34100 }, @@ -164,6 +167,35 @@ static int max20730_write_word_data(struct i2c_client *client, int page, } static const struct pmbus_driver_info max20730_info[] = { + [max20710] = { + .pages = 1, + .read_word_data = max20730_read_word_data, + .write_word_data = max20730_write_word_data, + + /* Source : Maxim AN6140 and AN6042 */ + .format[PSC_TEMPERATURE] = direct, + .m[PSC_TEMPERATURE] = 21, + .b[PSC_TEMPERATURE] = 5887, + .R[PSC_TEMPERATURE] = -1, + + .format[PSC_VOLTAGE_IN] = direct, + .m[PSC_VOLTAGE_IN] = 3609, + .b[PSC_VOLTAGE_IN] = 0, + .R[PSC_VOLTAGE_IN] = -2, + + .format[PSC_CURRENT_OUT] = direct, + .m[PSC_CURRENT_OUT] = 153, + .b[PSC_CURRENT_OUT] = 4976, + .R[PSC_CURRENT_OUT] = -1, + + .format[PSC_VOLTAGE_OUT] = linear, + + .func[0] = PMBUS_HAVE_VIN | + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_STATUS_INPUT, + }, [max20730] = { .pages = 1, .read_word_data = max20730_read_word_data, @@ -200,7 +232,8 @@ static const struct pmbus_driver_info max20730_info[] = { .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | - PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_STATUS_INPUT, }, [max20734] = { .pages = 1, @@ -228,7 +261,8 @@ static const struct pmbus_driver_info max20730_info[] = { .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | - PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_STATUS_INPUT, }, [max20743] = { .pages = 1, @@ -256,7 +290,8 @@ static const struct pmbus_driver_info max20730_info[] = { .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | - PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_STATUS_INPUT, }, }; @@ -339,6 +374,7 @@ static int max20730_probe(struct i2c_client *client, } static const struct i2c_device_id max20730_id[] = { + { "max20710", max20710 }, { "max20730", max20730 }, { "max20734", max20734 }, { "max20743", max20743 }, @@ -348,6 +384,7 @@ static const struct i2c_device_id max20730_id[] = { MODULE_DEVICE_TABLE(i2c, max20730_id); static const struct of_device_id max20730_of_match[] = { + { .compatible = "maxim,max20710", .data = (void *)max20710 }, { .compatible = "maxim,max20730", .data = (void *)max20730 }, { .compatible = "maxim,max20734", .data = (void *)max20734 }, { .compatible = "maxim,max20743", .data = (void *)max20743 }, @@ -369,5 +406,5 @@ static struct i2c_driver max20730_driver = { module_i2c_driver(max20730_driver); MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); -MODULE_DESCRIPTION("PMBus driver for Maxim MAX20730 / MAX20734 / MAX20743"); +MODULE_DESCRIPTION("PMBus driver for Maxim MAX20710 / MAX20730 / MAX20734 / MAX20743"); MODULE_LICENSE("GPL"); |