[PATCH v2 3/4] dt-bindings: hwmon: Add ti-max-expected-current-microamp property to ina2xx

[Rob Herring]

On Thu, Oct 12, 2017 at 02:36:04PM +0200, Maciej Purski wrote:
> Add optional max expected current property which allows calibrating
> the ina sensor in order to achieve requested measure scale. Document
> the changes in Documentation/hwmon/ina2xx.
> 
> Signed-off-by: Maciej Purski <m.purski at samsung.com>
> ---
>  Documentation/devicetree/bindings/hwmon/ina2xx.txt | 4 +++-
>  Documentation/hwmon/ina2xx                         | 3 +++
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ina2xx.txt b/Documentation/devicetree/bindings/hwmon/ina2xx.txt
> index 02af0d9..49ef0be 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
> -
> +- ti-max-expected-current-microamp
> +	Max expected current value in mA

ti,max-...

The property name is a bit long. Does "expected" add anything? Is there 
a max unexpected current?

>  Example:
>  
>  ina220 at 44 {
>  	compatible = "ti,ina220";
>  	reg = <0x44>;
>  	shunt-resistor = <1000>;
> +	ti-max-expected-current-microamp = <3000>;
>  };
> diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx
> index cfd31d9..30620e8 100644
> --- a/Documentation/hwmon/ina2xx
> +++ b/Documentation/hwmon/ina2xx
> @@ -55,6 +55,9 @@ 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 max expected current value in miliamp can be set via platform data
> +or device tree at compile-time or via currX_max attribute in sysfs
> +at run-time.
>  
>  Additionally ina226 supports update_interval attribute as described in
>  Documentation/hwmon/sysfs-interface. Internally the interval is the sum of
> -- 
> 2.7.4
>