diff options
| author | Abdurrahman Hussain <abdurrahman@nexthop.ai> | 2026-05-14 20:03:26 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2026-05-24 13:54:03 -0700 |
| commit | b778d8d172adf1edb8e47decd9e98cd56ba85529 (patch) | |
| tree | 507bc482bd29311f55dfd0df1fd0f4f655c447dc /Documentation | |
| parent | 7b7c64a97ca2250293a818d07c45f105f8e5e962 (diff) | |
| download | linux-next-history-b778d8d172adf1edb8e47decd9e98cd56ba85529.tar.gz | |
hwmon: (pmbus/d1u74t) Add Murata D1U74T PSU driver
Add PMBUS driver for Murata D1U74T power supplies.
Signed-off-by: Abdurrahman Hussain <abdurrahman@nexthop.ai>
Link: https://lore.kernel.org/r/20260514-d1u74t-v4-2-1f1ee7b002ec@nexthop.ai
[groeck: Dropped inappropriate tags; added missing include files]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/d1u74t.rst | 81 | ||||
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 |
2 files changed, 82 insertions, 0 deletions
diff --git a/Documentation/hwmon/d1u74t.rst b/Documentation/hwmon/d1u74t.rst new file mode 100644 index 0000000000000..3a9eedbda4837 --- /dev/null +++ b/Documentation/hwmon/d1u74t.rst @@ -0,0 +1,81 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later + +Kernel driver d1u74t +==================== + +Supported chips: + + * Murata D1U74T + + Prefix: 'd1u74t' + + Addresses scanned: - + + Datasheet: Publicly available at the Murata website + +Authors: + Abdurrahman Hussain <abdurrahman@nexthop.ai> + + +Description +----------- + +This driver implements support for Murata D1U74T Power Supply with +PMBus support. + +The driver is a client driver to the core PMBus driver. +Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers. + + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate the +devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for +details. + + +Sysfs entries +------------- + +======================= ====================================================== +curr1_label "iin" +curr1_input Measured input current +curr1_alarm Input current alarm +curr1_rated_max Maximum rated input current + +curr2_label "iout1" +curr2_input Measured output current +curr2_max Maximum output current +curr2_max_alarm Output current high alarm +curr2_crit Critical high output current +curr2_crit_alarm Output current critical high alarm +curr2_rated_max Maximum rated output current + +in1_label "vin" +in1_input Measured input voltage +in1_alarm Input voltage alarm +in1_rated_min Minimum rated input voltage +in1_rated_max Maximum rated input voltage + +in2_label "vout1" +in2_input Measured output voltage +in2_alarm Output voltage alarm +in2_rated_min Minimum rated output voltage +in2_rated_max Maximum rated output voltage + +power1_label "pin" +power1_input Measured input power +power1_alarm Input power alarm +power1_rated_max Maximum rated input power + +temp[1-3]_input Measured temperature +temp[1-3]_max Maximum temperature +temp[1-3]_max_alarm Maximum temperature alarm +temp[1-3]_rated_max Maximum rated temperature + +fan1_alarm Fan 1 warning +fan1_fault Fan 1 fault +fan1_input Fan 1 speed in RPM +fan1_target Fan 1 target +======================= ====================================================== diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index 78c783f11e250..e880c6ca84f03 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -61,6 +61,7 @@ Hardware Monitoring Kernel Drivers corsair-psu cros_ec_hwmon crps + d1u74t da9052 da9055 dell-smm-hwmon |