hwmon: (ina2xx) Add support for INA220 and INA230

INA220 is register compatible to INA219, and INA230 is register compatible to
INA226, so all we need to do is to add name aliases for those two chips.

Cc: Lothar Felten <l-felten@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx
index f50a6cc27616..03444f9d833f 100644
--- a/Documentation/hwmon/ina2xx
+++ b/Documentation/hwmon/ina2xx
@@ -8,12 +8,24 @@ Supported chips:
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/
 
+  * Texas Instruments INA220
+    Prefix: 'ina220'
+    Addresses: I2C 0x40 - 0x4f
+    Datasheet: Publicly available at the Texas Instruments website
+               http://www.ti.com/
+
   * Texas Instruments INA226
     Prefix: 'ina226'
     Addresses: I2C 0x40 - 0x4f
     Datasheet: Publicly available at the Texas Instruments website
                http://www.ti.com/
 
+  * Texas Instruments INA230
+    Prefix: 'ina230'
+    Addresses: I2C 0x40 - 0x4f
+    Datasheet: Publicly available at the Texas Instruments website
+               http://www.ti.com/
+
 Author: Lothar Felten <l-felten@ti.com>
 
 Description
@@ -23,7 +35,13 @@ The INA219 is a high-side current shunt and power monitor with an I2C
 interface. The INA219 monitors both shunt drop and supply voltage, with
 programmable conversion times and filtering.
 
+The INA220 is a high or low side current shunt and power monitor with an I2C
+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.
+
 The shunt value in micro-ohms can be set via platform data.