[PATCH 3/4] dt-bindings: hwmon: Add max-expected-current property to ina2xx
From: Maciej Purski <hidden>
Date: 2017-09-28 12:50:14
Also in:
linux-devicetree, linux-hwmon, linux-iio, linux-samsung-soc
Subsystem:
documentation, hardware monitoring, open firmware and flattened device tree bindings, the rest · Maintainers:
Jonathan Corbet, Guenter Roeck, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2017-10-05 · Re: [PATCH 3/4] dt-bindings: hwmon: Add max-expected-current property to ina2xx · Rob Herring <hidden>
- 2017-10-05 · Re: [PATCH 3/4] dt-bindings: hwmon: Add max-expected-current property to ina2xx · Maciej Purski <hidden>
- 2017-10-01 · Re: [PATCH 3/4] dt-bindings: hwmon: Add max-expected-current property to ina2xx · Jonathan Cameron <hidden>
Add optional max expected current property which allows calibrating the ina sensor in order to achieve requested precision. Document the changes in Documentation/hwmon/ina2xx. Signed-off-by: Maciej Purski <redacted> --- Documentation/devicetree/bindings/hwmon/ina2xx.txt | 4 +++- Documentation/hwmon/ina2xx | 9 +++++---- 2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/hwmon/ina2xx.txt b/Documentation/devicetree/bindings/hwmon/ina2xx.txt
index 02af0d9..25ba372 100644
--- a/Documentation/devicetree/bindings/hwmon/ina2xx.txt
+++ b/Documentation/devicetree/bindings/hwmon/ina2xx.txt@@ -14,11 +14,13 @@ Optional properties: - shunt-resistor Shunt resistor value in micro-Ohm - +- max-expected-current + Max expected current value in mA Example: ina220 at 44 { compatible = "ti,ina220"; reg = <0x44>; shunt-resistor = <1000>; + max-expected-current = <3000>; };
diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx
index cfd31d9..e9ca838 100644
--- a/Documentation/hwmon/ina2xx
+++ b/Documentation/hwmon/ina2xx@@ -51,10 +51,11 @@ 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 -refer to the Documentation/devicetree/bindings/i2c/ina2xx.txt for bindings -if the device tree is used. +The shunt value in micro-ohms and max expected current in mA can be set +via platform data or device tree at compile-time or via the shunt_resistor +and max_expected_current attributes in sysfs at run-time. Please refer to the +Documentation/devicetree/bindings/i2c/ina2xx.txt for bindings if the +device tree is used. Additionally ina226 supports update_interval attribute as described in Documentation/hwmon/sysfs-interface. Internally the interval is the sum of
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