From: Alexis Czezar Torreno Date: Wed, 1 Oct 2025 00:37:08 +0000 (+0800) Subject: hwmon: (pmbus/max34440): add support adpm12200 X-Git-Tag: v6.19-rc1~148^2~100 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e0b52f1ae88ded4115b195f8e00e28121b26c06;p=thirdparty%2Fkernel%2Flinux.git hwmon: (pmbus/max34440): add support adpm12200 ADPM12200 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 2000W. Uses PMBus. Signed-off-by: Alexis Czezar Torreno Link: https://lore.kernel.org/r/20251001-hwmon-next-v1-2-f8ca6a648203@analog.com Signed-off-by: Guenter Roeck --- diff --git a/Documentation/hwmon/max34440.rst b/Documentation/hwmon/max34440.rst index 8591a7152ce58..34a6e0e1b9632 100644 --- a/Documentation/hwmon/max34440.rst +++ b/Documentation/hwmon/max34440.rst @@ -11,6 +11,14 @@ Supported chips: Datasheet: - + * ADI ADPM12200 + + Prefixes: 'adpm12200' + + Addresses scanned: - + + Datasheet: - + * Maxim MAX34440 Prefixes: 'max34440' @@ -79,10 +87,11 @@ 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. 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 ADPM1260 -also monitors both input and output of voltage and current. +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. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. @@ -140,7 +149,8 @@ in[1-6]_reset_history Write any value to reset history. .. note:: - MAX34446 only supports in[1-4]. - - ADPM12160 only supports in[1-2]. Label is "vin1" and "vout1" respectively. + - ADPM12160, and ADPM12200 only supports in[1-2]. Label is "vin1" + and "vout1" respectively. Curr ~~~~ @@ -162,7 +172,8 @@ 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, curr[1] is "iin1" and curr[2-6] are "iout[1-5]. + - For ADPM12160, and ADPM12200, curr[1] is "iin1" and curr[2-6] + are "iout[1-5]". Power ~~~~~ @@ -198,7 +209,7 @@ 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 only supports temp[1]. + - ADPM12160, and ADPM12200 only supports temp[1]. .. note:: diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 408492d2230f0..fdcef5dfa5a8c 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -361,6 +361,7 @@ config SENSORS_MAX34440 help If you say yes here you get hardware monitoring support for Maxim MAX34440, MAX34441, MAX34446, MAX34451, MAX34460, and MAX34461. + Other compatible are ADPM12160, and ADPM12200. This driver can also be built as a module. If so, the module will be called max34440. diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c index 56834d26f8ef3..70d644fe14d3f 100644 --- a/drivers/hwmon/pmbus/max34440.c +++ b/drivers/hwmon/pmbus/max34440.c @@ -17,6 +17,7 @@ enum chips { adpm12160, + adpm12200, max34440, max34441, max34446, @@ -98,7 +99,7 @@ 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 != adpm12160 && data->id != adpm12200) return -ENXIO; ret = pmbus_read_word_data(client, page, phase, MAX34446_MFR_IOUT_AVG); @@ -183,7 +184,7 @@ 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 == adpm12160 || data->id == adpm12200)) ret = pmbus_write_word_data(client, page, MAX34446_MFR_IOUT_AVG, 0); @@ -364,6 +365,42 @@ static struct pmbus_driver_info max34440_info[] = { .read_word_data = max34440_read_word_data, .write_word_data = max34440_write_word_data, }, + [adpm12200] = { + .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[7] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, + .func[8] = 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, @@ -600,7 +637,7 @@ static int max34440_probe(struct i2c_client *client) rv = max34451_set_supported_funcs(client, data); if (rv) return rv; - } else if (data->id == adpm12160) { + } else if (data->id == adpm12160 || data->id == adpm12200) { data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT; data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT; } @@ -610,6 +647,7 @@ static int max34440_probe(struct i2c_client *client) static const struct i2c_device_id max34440_id[] = { {"adpm12160", adpm12160}, + {"adpm12200", adpm12200}, {"max34440", max34440}, {"max34441", max34441}, {"max34446", max34446},