From: Rob Herring <robh@kernel.org>
To: Nandor Han <nandor.han@ge.com>
Cc: linus.walleij@linaro.org, gnurou@gmail.com, mark.rutland@arm.com,
linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] doc,dts - add XRA1403 DTS binding documentation
Date: Fri, 31 Mar 2017 13:49:57 -0500 [thread overview]
Message-ID: <20170331184957.bpnsgzevvfypq5ls@rob-hp-laptop> (raw)
In-Reply-To: <39ba92bacf48da957f8f85d5cb11d3254fe3d68f.1490595641.git.nandor.han@ge.com>
On Mon, Mar 27, 2017 at 09:23:01AM +0300, Nandor Han wrote:
> Add the XRA1403 DTS binding documentation.
"dt-bindings: gpio: ..." for the subject prefix please.
>
> Signed-off-by: Nandor Han <nandor.han@ge.com>
> ---
> .../devicetree/bindings/gpio/gpio-xra1403.txt | 37 ++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
> new file mode 100644
> index 0000000..ccf5337
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
> @@ -0,0 +1,37 @@
> +GPIO Driver for XRA1403 16-BIT GPIO Expander With Reset Input from EXAR
> +
> +The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features available:
> + - Individually programmable inputs:
> + - Internal pull-up resistors
> + - Polarity inversion
> + - Individual interrupt enable
> + - Rising edge and/or Falling edge interrupt
> + - Input filter
> + - Individually programmable outputs
> + - Output Level Control
> + - Output Three-State Control
> +
> +Properties
> +----------
> +Check documentation for SPI and GPIO controllers regarding properties needed to configure the node.
> +
> + - compatible = "exar,xra1403".
> + - reg = SPI id of the device.
> + - gpio-controller: mark the node as gpio.
#gpio-cells?
> +
> +Optional properties:
> +-------------------
> + - reset-gpios: in case available used to control the device reset line.
> +
> +Example
> +--------
> +
> + gpioxra0: gpio@2 {
> + compatible = "exar,xra1403";
> + reg = <2>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
> + spi-max-frequency = <1000000>;
> + status = "okay";
Don't show status in examples.
> + };
> --
> 2.10.1
>
next prev parent reply other threads:[~2017-03-31 18:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 6:22 [PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver Nandor Han
2017-03-27 6:23 ` [PATCH 1/3] gpio - Add EXAR XRA1403 SPI GPIO " Nandor Han
2017-03-29 2:07 ` Linus Walleij
2017-04-05 13:24 ` Han, Nandor (GE Healthcare)
2017-04-07 10:07 ` Linus Walleij
2017-04-08 7:38 ` Han, Nandor (GE Healthcare)
2017-03-31 12:38 ` Rob Herring
2017-03-27 6:23 ` [PATCH 2/3] doc,dts - add XRA1403 DTS binding documentation Nandor Han
2017-03-29 2:09 ` Linus Walleij
2017-03-31 18:49 ` Rob Herring [this message]
2017-03-27 6:23 ` [PATCH 3/3] Add XRA1403 support to MAINTAINERS file Nandor Han
2017-03-29 1:50 ` [PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver Linus Walleij
2017-04-05 12:46 ` Han, Nandor (GE Healthcare)
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