linux-kernel - Re: [PATCH v2 bus+gpio 4/4] dt-bindings: gpio: Document GPIOs via Moxtet bus

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Date:   Mon, 5 Nov 2018 16:14:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Marek Behún <marek.behun@....cz>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Tony Lindgren <tony@...mide.com>,
        Shawn Guo <shawnguo@...nel.org>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 bus+gpio 4/4] dt-bindings: gpio: Document GPIOs via
 Moxtet bus

On Fri, Nov 02, 2018 at 11:35:39AM +0100, Marek Behún wrote:
> This patch adds documentation of the device tree bindings for GPIOs
> on the devices connected via Moxtet bus.
> 
> Signed-off-by: Marek Behún <marek.behun@....cz>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: devicetree@...r.kernel.org
> ---
>  .../devicetree/bindings/gpio/gpio-moxtet.txt   | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
> 
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
> new file mode 100644
> index 000000000000..7e9b5770585d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
> @@ -0,0 +1,18 @@
> +Turris Mox Moxtet GPIO expander via Moxtet bus
> +
> +Required properties:
> + - compatible		: Should be "cznic,moxtet-gpio".
> + - gpio-controller	: Marks the device node as a GPIO controller.
> + - #gpio-cells		: Should be two. For consumer use see gpio.txt.
> +
> +Other properties are required for a Moxtet bus device, please refer to
> +Documentation/devicetree/bindings/bus/moxtet.txt.
> +
> +Example:
> +
> +	moxtet_sfp: moxtet-sfp@0 {

gpio@0

> +		compatible = "cznic,moxtet-gpio";
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		reg = <0>;
> +	}
> -- 
> 2.18.1
>