Re: [PATCH v2 4/4] mfd: max77620: add documentation for low battery monitoring

[Rob Herring]

On Tue, Jan 29, 2019 at 04:55:31PM +0800, Mark Zhang wrote:
> Adding documentation for low battery monitor properties:
> - maxim,low-battery-dac-enable
> - maxim,low-battery-dac-disable
> - maxim,low-battery-shutdown-enable
> - maxim,low-battery-shutdown-disable
> - maxim,low-battery-reset-enable
> - maxim,low-battery-reset-disable
> 
> Signed-off-by: Mark Zhang <markz@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/mfd/max77620.txt | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt
> index 484b17e4fba5..5fed0a463b80 100644
> --- a/Documentation/devicetree/bindings/mfd/max77620.txt
> +++ b/Documentation/devicetree/bindings/mfd/max77620.txt
> @@ -142,6 +142,20 @@ Optional properties:
>  			Device supports 100/1000/3000/6000 Ohms.
>  			Default will be set to 1000 Ohm.
>  
> +Low-Battery Monitor:
> +==================
> +This sub-node configure low battery monitor configuration registers. Device has
> +support for low-battery monitor configuration through child DT node
> +"low-battery-monitor".
> +
> +Optional properties:
> +	- maxim,low-battery-dac-enable: Enable low battery DAC.
> +	- maxim,low-battery-dac-disable: Disable low battery DAC.
> +	- maxim,low-battery-shutdown-enable: Enable low battery shutdown.
> +	- maxim,low-battery-shutdown-disable: Disable low battery shutdown.
> +	- maxim,low-battery-reset-enable: Enable low battery reset.
> +	- maxim,low-battery-reset-disable: Disable low battery reset.

Do you really need 3 states with the 3rd being prop not present.

Rob