netdev - Re: [PATCH RFC 1/2] Documentation: add Device tree bindings for QCA7000

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Message-ID: <4257797.n2vaSiS5NN@wuerfel>
Date:	Mon, 28 Apr 2014 21:57:23 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Stefan Wahren <stefan.wahren@...e.com>
Cc:	davem@...emloft.net, robh+dt@...nel.org, pawel.moll@....org,
	mark.rutland@....org, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, f.fainelli@...il.com, netdev@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH RFC 1/2] Documentation: add Device tree bindings for QCA7000

On Monday 28 April 2014 19:54:56 Stefan Wahren wrote:
> This patch adds the Device tree bindings for the Ethernet over SPI
> protocol driver of the Qualcomm QCA7000 HomePlug GreenPHY.
> 
> Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
> ---
>  .../devicetree/bindings/net/qca-qca7000-spi.txt    |   51 ++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/qca-qca7000-spi.txt
> 
> diff --git a/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt b/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt
> new file mode 100644
> index 0000000..132c10f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt
> @@ -0,0 +1,51 @@
> +* Qualcomm QCA7000 (Ethernet over SPI protocol)
> +
> +Note: The QCA7000 is useable as a SPI device. In this case it must be defined
> +as a child of a spi master in the device tree.
> +
> +Required properties:
> +- compatible : Should be "qca,qca7000"
> +- reg : Should specify the SPI chip select
> +- intr-gpios : Should specify the GPIO for SPI interrupt
> +- spi-cpha : Must be set
> +- spi-cpol: Must be set

Why specify the interrupt as a GPIO line, rather than an 'interrupts' property?

	Arnd
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