diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2025-09-05 13:20:04 -0700 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2025-09-07 16:34:04 -0700 |
| commit | f2711a19651f28b426cf78792822a37f7641f43c (patch) | |
| tree | 390b54224e91186a3286f2a2d751be77d014380e | |
| parent | 9a8113a5c6eb23aaaafa9bde043b76a22a3a4e44 (diff) | |
hwmon: (ina238) Update documentation and Kconfig entry
Update driver documentation and Kconfig entry to list all chips supported
by the driver.
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz> # INA780
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/ina238.rst | 39 | ||||
| -rw-r--r-- | drivers/hwmon/Kconfig | 9 |
2 files changed, 35 insertions, 13 deletions
diff --git a/Documentation/hwmon/ina238.rst b/Documentation/hwmon/ina238.rst index 9b830e37c986..1ac4e2c419ac 100644 --- a/Documentation/hwmon/ina238.rst +++ b/Documentation/hwmon/ina238.rst @@ -5,6 +5,24 @@ Kernel driver ina238 Supported chips: + * Texas Instruments INA228 + + Prefix: 'ina228' + + Addresses: I2C 0x40 - 0x4f + + Datasheet: + https://www.ti.com/lit/gpn/ina228 + + * Texas Instruments INA237 + + Prefix: 'ina237' + + Addresses: I2C 0x40 - 0x4f + + Datasheet: + https://www.ti.com/lit/gpn/ina237 + * Texas Instruments INA238 Prefix: 'ina238' @@ -34,6 +52,13 @@ platform code or from device tree data. Please refer to Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml for bindings if device tree is used. +INA237 is a functionally equivalent variant of INA238 with slightly +different accuracy. INA228 is another variant of INA238 with higher ADC +resolution. This chip also reports the energy. + +SQ52206 is a mostly compatible chip from Sylergy. It reports the energy +as well as the peak power consumption. + Sysfs entries ------------- @@ -53,19 +78,15 @@ in1_max_alarm Maximum shunt voltage alarm power1_input Power measurement (uW) power1_max Maximum power threshold (uW) power1_max_alarm Maximum power alarm +power1_input_highest Peak Power (uW) + (SQ52206 only) curr1_input Current measurement (mA) +energy1_input Energy measurement (uJ) + (SQ52206 and INA237 only) + temp1_input Die temperature measurement (mC) temp1_max Maximum die temperature threshold (mC) temp1_max_alarm Maximum die temperature alarm ======================= ======================================================= - -Additional sysfs entries for sq52206 ------------------------------------- - -======================= ======================================================= -energy1_input Energy measurement (uJ) - -power1_input_highest Peak Power (uW) -======================= ======================================================= diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index c53c041c32ef..6bdce991f5f0 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -2252,13 +2252,14 @@ config SENSORS_INA2XX will be called ina2xx. config SENSORS_INA238 - tristate "Texas Instruments INA238" + tristate "Texas Instruments INA238 and compatibles" depends on I2C select REGMAP_I2C help - If you say yes here you get support for the INA238 power monitor - chip. This driver supports voltage, current, power and temperature - measurements as well as alarm configuration. + If you say yes here you get support for INA228, INA237, INA238, and + SQ52206 power monitor chips. This driver supports voltage, current, + power, energy, and temperature measurements as well as alarm + configuration. This driver can also be built as a module. If so, the module will be called ina238. |