From add513be1c47b3b2765c3f618a69c9db26d8dc27 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Wed, 14 Jan 2015 17:34:58 -0800 Subject: [PATCH] hwmon: (ina2xx) Add ina231 compatible string 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 Signed-off-by: Guenter Roeck --- Documentation/hwmon/ina2xx | 11 +++++++++-- drivers/hwmon/Kconfig | 4 ++-- drivers/hwmon/ina2xx.c | 1 + 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 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);