From: Alexis Czezar Torreno Date: Wed, 10 Jun 2026 01:12:10 +0000 (+0800) Subject: hwmon: (pmbus/max34440): add support adpm12250 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=479bfeba2eb62666cd4b981c8e721c61dcf36e7d;p=thirdparty%2Flinux.git hwmon: (pmbus/max34440): add support adpm12250 ADPM12250 is a quarter brick DC/DC Power Module. It is a high power non-isolated converter capable of delivering regulated 12V with continuous power level of 2500W. Uses PMBus. Signed-off-by: Alexis Czezar Torreno Reviewed-by: Nuno Sá Link: https://lore.kernel.org/r/20260610-dev-adpm12250-v1-1-422760bb80da@analog.com Signed-off-by: Guenter Roeck --- diff --git a/Documentation/hwmon/max34440.rst b/Documentation/hwmon/max34440.rst index d6d4fbc863d96..e7421f4dbf38f 100644 --- a/Documentation/hwmon/max34440.rst +++ b/Documentation/hwmon/max34440.rst @@ -19,6 +19,14 @@ Supported chips: Datasheet: - + * ADI ADPM12250 + + Prefixes: 'adpm12250' + + Addresses scanned: - + + Datasheet: - + * Maxim MAX34440 Prefixes: 'max34440' @@ -87,11 +95,11 @@ This driver supports multiple devices: hardware monitoring for Maxim MAX34440 PMBus 6-Channel Power-Supply Manager, MAX34441 PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller, and MAX34446 PMBus Power-Supply Data Logger; PMBus Voltage Monitor and Sequencers for MAX34451, MAX34460, and -MAX34461; PMBus DC/DC Power Module ADPM12160, and ADPM12200. The MAX34451 -supports monitoring voltage or current of 12 channels based on GIN pins. The -MAX34460 supports 12 voltage channels, and the MAX34461 supports 16 voltage -channels. The ADPM12160, and ADPM12200 also monitors both input and output -of voltage and current. +MAX34461; PMBus DC/DC Power Module ADPM12160, ADPM12200, and ADPM12250. The +MAX34451 supports monitoring voltage or current of 12 channels based on GIN +pins. The MAX34460 supports 12 voltage channels, and the MAX34461 supports 16 +voltage channels. The ADPM12160, ADPM12200, and ADPM12250 also monitors both +input and output of voltage and current. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. @@ -149,7 +157,7 @@ in[1-6]_reset_history Write any value to reset history. .. note:: - MAX34446 only supports in[1-4]. - - ADPM12160, and ADPM12200 only supports in[1-2]. Label is "vin1" + - ADPM12160, ADPM12200, and ADPM12250 only supports in[1-2]. Label is "vin1" and "vout1" respectively. Curr @@ -172,8 +180,9 @@ curr[1-6]_reset_history Write any value to reset history. - in6 and curr6 attributes only exist for MAX34440. - MAX34446 only supports curr[1-4]. - - For ADPM12160, and ADPM12200, curr[1] is "iin1" and curr[2-6] - are "iout[1-5]". + - For ADPM12160, ADPM12200, and ADPM12250, curr[1] is "iin1" + - For ADPM12160, and ADPM12200 curr[2-6] are "iout[1-5]". + - For ADPM12250, curr[2-4] are "iout[1-3]". Power ~~~~~ @@ -209,7 +218,7 @@ temp[1-8]_reset_history Write any value to reset history. .. note:: - temp7 and temp8 attributes only exist for MAX34440. - MAX34446 only supports temp[1-3]. - - ADPM12160, and ADPM12200 only supports temp[1]. + - ADPM12160, ADPM12200, and ADPM12250 only supports temp[1]. .. note:: diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c index 4525b9fc56267..74876d2207fbe 100644 --- a/drivers/hwmon/pmbus/max34440.c +++ b/drivers/hwmon/pmbus/max34440.c @@ -18,6 +18,7 @@ enum chips { adpm12160, adpm12200, + adpm12250, max34440, max34441, max34446, @@ -97,7 +98,8 @@ static int max34440_read_word_data(struct i2c_client *client, int page, break; case PMBUS_VIRT_READ_IOUT_AVG: if (data->id != max34446 && data->id != max34451 && - data->id != adpm12160 && data->id != adpm12200) + data->id != adpm12160 && data->id != adpm12200 && + data->id != adpm12250) return -ENXIO; ret = pmbus_read_word_data(client, page, phase, MAX34446_MFR_IOUT_AVG); @@ -182,7 +184,8 @@ static int max34440_write_word_data(struct i2c_client *client, int page, ret = pmbus_write_word_data(client, page, MAX34440_MFR_IOUT_PEAK, 0); if (!ret && (data->id == max34446 || data->id == max34451 || - data->id == adpm12160 || data->id == adpm12200)) + data->id == adpm12160 || data->id == adpm12200 || + data->id == adpm12250)) ret = pmbus_write_word_data(client, page, MAX34446_MFR_IOUT_AVG, 0); @@ -399,6 +402,40 @@ static struct pmbus_driver_info max34440_info[] = { .read_word_data = max34440_read_word_data, .write_word_data = max34440_write_word_data, }, + [adpm12250] = { + .pages = 19, + .format[PSC_VOLTAGE_IN] = direct, + .format[PSC_VOLTAGE_OUT] = direct, + .format[PSC_CURRENT_IN] = direct, + .format[PSC_CURRENT_OUT] = direct, + .format[PSC_TEMPERATURE] = direct, + .m[PSC_VOLTAGE_IN] = 125, + .b[PSC_VOLTAGE_IN] = 0, + .R[PSC_VOLTAGE_IN] = 0, + .m[PSC_VOLTAGE_OUT] = 125, + .b[PSC_VOLTAGE_OUT] = 0, + .R[PSC_VOLTAGE_OUT] = 0, + .m[PSC_CURRENT_IN] = 250, + .b[PSC_CURRENT_IN] = 0, + .R[PSC_CURRENT_IN] = -1, + .m[PSC_CURRENT_OUT] = 250, + .b[PSC_CURRENT_OUT] = 0, + .R[PSC_CURRENT_OUT] = -1, + .m[PSC_TEMPERATURE] = 1, + .b[PSC_TEMPERATURE] = 0, + .R[PSC_TEMPERATURE] = 2, + /* absent func below [18] are not for monitoring */ + .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, + .func[4] = PMBUS_HAVE_STATUS_IOUT, + .func[5] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, + .func[6] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, + .func[9] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT, + .func[10] = PMBUS_HAVE_IIN | PMBUS_HAVE_STATUS_INPUT, + .func[14] = PMBUS_HAVE_IOUT, + .func[18] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, + .read_word_data = max34440_read_word_data, + .write_word_data = max34440_write_word_data, + }, [max34440] = { .pages = 14, .format[PSC_VOLTAGE_IN] = direct, @@ -635,7 +672,8 @@ static int max34440_probe(struct i2c_client *client) rv = max34451_set_supported_funcs(client, data); if (rv) return rv; - } else if (data->id == adpm12160 || data->id == adpm12200) { + } else if (data->id == adpm12160 || data->id == adpm12200 || + data->id == adpm12250) { data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT; data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT; } @@ -646,6 +684,7 @@ static int max34440_probe(struct i2c_client *client) static const struct i2c_device_id max34440_id[] = { { .name = "adpm12160", .driver_data = adpm12160 }, { .name = "adpm12200", .driver_data = adpm12200 }, + { .name = "adpm12250", .driver_data = adpm12250 }, { .name = "max34440", .driver_data = max34440 }, { .name = "max34441", .driver_data = max34441 }, { .name = "max34446", .driver_data = max34446 },