Re: [PATCH 2/3] docs: hwmon: Add support for ina2xx
From: Guenter Roeck <linux@roeck-us.net>
Date: 2020-02-25 14:49:39
Also in:
linux-doc, linux-hwmon, lkml
On 2/24/20 3:26 PM, Franz Forstmayr wrote:
Add documentation for INA260, power/current monitor with I2C interface.
Subject should match description here (this patch does not add support for ina2xx).
quoted hunk ↗ jump to hunk
Signed-off-by: Franz Forstmayr <redacted> --- Documentation/hwmon/ina2xx.rst | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)diff --git a/Documentation/hwmon/ina2xx.rst b/Documentation/hwmon/ina2xx.rst index 94b9a260c518..74267dd433dd 100644 --- a/Documentation/hwmon/ina2xx.rst +++ b/Documentation/hwmon/ina2xx.rst@@ -53,6 +53,16 @@ Supported chips: http://www.ti.com/ + * Texas Instruments INA260 + + Prefix: 'ina260' + + Addresses: I2C 0x40 - 0x4f + + Datasheet: Publicly available at the Texas Instruments website + + http://www.ti.com/ + Author: Lothar Felten <lothar.felten@gmail.com> Description@@ -72,14 +82,17 @@ 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. +INA260 is a high or low side current and power monitor with an integrated +shunt and I2C interface. + 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 refer to the Documentation/devicetree/bindings/hwmon/ina2xx.txt for bindings if the device tree is used. -Additionally ina226 supports update_interval attribute as described in -Documentation/hwmon/sysfs-interface.rst. Internally the interval is the sum of -bus and shunt voltage conversion times multiplied by the averaging rate. We +Additionally ina226 and ina260 supports update_interval attribute as described
s/supports/support/
+in Documentation/hwmon/sysfs-interface.rst. Internally the interval is the sum +of bus and shunt voltage conversion times multiplied by the averaging rate. We don't touch the conversion times and only modify the number of averages. The lower limit of the update_interval is 2 ms, the upper limit is 2253 ms. The actual programmed interval may vary from the desired value.