linux-kernel - Re: [PATCH v2 2/2] dt-bindings: max77620: add documentation for MPOK property

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Message-ID: <20161121131048.GD3917@dell>
Date:   Mon, 21 Nov 2016 13:10:48 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Venkat Reddy Talla <vreddytalla@...dia.com>
Cc:     lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ldewangan@...dia.com,
        svelpula@...dia.com
Subject: Re: [PATCH v2 2/2] dt-bindings: max77620: add documentation for MPOK
 property

On Thu, 17 Nov 2016, Venkat Reddy Talla wrote:

> Adding documentation for maxim,power-ok-control dts property
> 
> Signed-off-by: Venkat Reddy Talla <vreddytalla@...dia.com>
> 
> ---
> Changes from V1:
>  None
> ---
>  Documentation/devicetree/bindings/mfd/max77620.txt | 12 ++++++++++++
>  1 file changed, 12 insertions(+)

For my own reference:
  Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
  
> diff --git a/Documentation/devicetree/bindings/mfd/max77620.txt b/Documentation/devicetree/bindings/mfd/max77620.txt
> index 2ad44f7..9c16d51 100644
> --- a/Documentation/devicetree/bindings/mfd/max77620.txt
> +++ b/Documentation/devicetree/bindings/mfd/max77620.txt
> @@ -106,6 +106,18 @@ Here supported time periods by device in microseconds are as follows:
>  MAX77620 supports 40, 80, 160, 320, 640, 1280, 2560 and 5120 microseconds.
>  MAX20024 supports 20, 40, 80, 160, 320, 640, 1280 and 2540 microseconds.
>  
> +-maxim,power-ok-control: configure map power ok bit
> +			1: Enables POK(Power OK) to control nRST_IO and GPIO1
> +			POK function.
> +			0: Disables POK control.
> +			if property missing, do not configure MPOK bit.
> +			If POK mapping is enabled for GPIO1/nRST_IO then,
> +			GPIO1/nRST_IO pins are HIGH only if all rails
> +			that have POK control enabled are HIGH.
> +			If any of the rails goes down(which are enabled for POK
> +			control) then, GPIO1/nRST_IO goes LOW.
> +			this property is valid for max20024 only.
> +
>  For DT binding details of different sub modules like GPIO, pincontrol,
>  regulator, power, please refer respective device-tree binding document
>  under their respective sub-system directories.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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