From: Kevin Hilman khilman@linaro.org
Add support for "ina231" as compatible string, and update Documentation and Kconfig accordingly.
Tested with the Exynos5422-based odroid-xu3 board which has on-board INA231 sensors.
Signed-off-by: Kevin Hilman khilman@linaro.org --- Documentation/hwmon/ina2xx | 9 +++++++++ drivers/hwmon/Kconfig | 4 ++-- drivers/hwmon/ina2xx.c | 1 + 3 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx index 4223c2d3b508..c2f838f65ee4 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 @@ -44,6 +50,9 @@ 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.
+The INA231 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. + The shunt value in micro-ohms can be set via platform data or device tree. Please refer to the Documentation/devicetree/bindings/i2c/ina2xx.txt for bindings if the device tree is used. diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6529c09c46f0..408fb6f5f055 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1420,8 +1420,8 @@ 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 e01feba909c3..8c4a29bd2eaf 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -287,6 +287,7 @@ static const struct i2c_device_id ina2xx_id[] = { { "ina220", ina219 }, { "ina226", ina226 }, { "ina230", ina226 }, + { "ina231", ina226 }, { } }; MODULE_DEVICE_TABLE(i2c, ina2xx_id);