linux-kernel - Re: [PATCH v4 1/9] pinctrl: generic: Add bi-directional and output-enable

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Date:   Mon, 10 Apr 2017 13:06:06 -0500
From:   Rob Herring <robh@...nel.org>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     linus.walleij@...aro.org, geert+renesas@...der.be,
        laurent.pinchart@...asonboard.com, chris.brandt@...esas.com,
        mark.rutland@....com, linux@...linux.org.uk,
        linux-renesas-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/9] pinctrl: generic: Add bi-directional and
 output-enable

On Wed, Apr 05, 2017 at 04:07:19PM +0200, Jacopo Mondi wrote:
> Add bi-directional and output-enable pin configuration properties.
> 
> bi-directional allows to specify when a pin shall operate in input and
> output mode at the same time. This is particularly useful in platforms
> where input and output buffers have to be manually enabled.
> 
> output-enable is just syntactic sugar to specify that a pin shall
> operate in output mode, ignoring the provided argument.
> This pairs with input-enable pin configuration option.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> ---
>  Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 2 ++
>  drivers/pinctrl/pinconf-generic.c                              | 3 +++
>  include/linux/pinctrl/pinconf-generic.h                        | 3 +++
>  3 files changed, 8 insertions(+)

Acked-by: Rob Herring <robh@...nel.org>