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hwmon: (ina2xx) Add ina231 compatible string

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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>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Kevin Hilman
2015-01-14 17:34:58 -08:00
committed by Guenter Roeck
parent b721fe2a3a
commit add513be1c
3 changed files with 12 additions and 4 deletions
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11
Documentation/hwmon/ina2xx
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@@ -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