3 files changed, 12 insertions, 4 deletions

diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx
index 450e3ccd983d..cfd31d94c872 100644
--- a/Documentation/hwmon/ina2xx
+++ b/Documentation/hwmon/ina2xx
@@ -26,6 +26,12 @@ Supported chips:
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/
 
+  * Texas Instruments INA231
+    Prefix: 'ina231'
+    Addresses: I2C 0x40 - 0x4f
+    Datasheet: Publicly available at the Texas Instruments website
+               http://www.ti.com/
+
 Author: Lothar Felten <l-felten@ti.com>
 
 Description
@@ -41,8 +47,9 @@ interface. The INA220 monitors both shunt drop and supply voltage.
 The INA226 is a current shunt and power monitor with an I2C interface.
 The INA226 monitors both a shunt voltage drop and bus supply voltage.
 
-The INA230 is a high or low side current shunt and power monitor with an I2C
-interface. The INA230 monitors both a shunt voltage drop and bus supply voltage.
+INA230 and INA231 are high or low side current shunt and power monitors
+with an I2C interface. The chips monitor both a shunt voltage drop and
+bus supply voltage.
 
 The shunt value in micro-ohms can be set via platform data or device tree at
 compile-time or via the shunt_resistor attribute in sysfs at run-time. Please
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index a7de26d1ac80..c24394086b40 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1430,8 +1430,8 @@ config SENSORS_INA2XX
         tristate "Texas Instruments INA219 and compatibles"
         depends on I2C
         help
-          If you say yes here you get support for INA219, INA220, INA226, and
-          INA230 power monitor chips.
+          If you say yes here you get support for INA219, INA220, INA226,
+          INA230, and INA231 power monitor chips.
 
           The INA2xx driver is configured for the default configuration of
           the part as described in the datasheet.
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 611ec4edd979..d1542b7d4bc3 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -538,6 +538,7 @@ static const struct i2c_device_id ina2xx_id[] = {
         { "ina220", ina219 },
         { "ina226", ina226 },
         { "ina230", ina226 },
+        { "ina231", ina226 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, ina2xx_id);