[PATCH 7/8] mfd/regulator: dt-bindings: max77686: Document gpio property

[Javier Martinez Canillas]

Hello Krzysztof,

On 10/27/2014 04:03 PM, Krzysztof Kozlowski wrote:
> Document usage of gpio property which turns on external control over
> regulator.
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
> ---
>  Documentation/devicetree/bindings/mfd/max77686.txt | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/max77686.txt b/Documentation/devicetree/bindings/mfd/max77686.txt
> index 75fdfaf41831..e41dfa7e2b90 100644
> --- a/Documentation/devicetree/bindings/mfd/max77686.txt
> +++ b/Documentation/devicetree/bindings/mfd/max77686.txt
> @@ -39,6 +39,9 @@ to get matched with their hardware counterparts as follow:
>  	-BUCKn	:	1-4.
>    Use standard regulator bindings for it ('regulator-off-in-suspend').
>  
> +  Optional properties:
> +  - gpio : GPIO to use for external control. Valid only for LDO20, LDO21,
> +    LDO22, BUCK8 and BUCK9 regulators.

When using the descriptor-based GPIO interface the standard is to use as the DT
property name a prefix documenting the GPIO function + a -gpios or -gpio suffix.
So this should be something like ec-gpio.

Best regards,
Javier