linux-kernel - Re: [PATCH v2 12/12] dt-bindings: Add documentation for Rockchip dw-hdmi-audio

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Date:	Sat, 31 Jan 2015 11:36:59 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Yakir Yang <ykk@...k-chips.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Brian Austin <brian.austin@...rus.com>,
	Bard Liao <bardliao@...ltek.com>,
	Max Filippov <jcmvbkbc@...il.com>,
	Oder Chiou <oder_chiou@...ltek.com>,
	Arnd Bergmann <arnd@...db.de>, Sean Cross <xobs@...agi.com>,
	Jyri Sarha <jsarha@...com>, Ben Zhang <benzh@...omium.org>,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	Heiko Stuebner <heiko@...ech.de>,
	linux-arm-kernel@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	djkurtz@...omium.org, dbehr@...omoum.org, mmind00@...glemail.com,
	dianders@...omium.org, marcheu@...omium.org,
	mark.yao@...k-chips.com, rockchip-discuss@...omium.org
Subject: Re: [PATCH v2 12/12] dt-bindings: Add documentation for Rockchip
 dw-hdmi-audio

On Fri, Jan 30, 2015 at 06:44:13AM -0500, Yakir Yang wrote:
> Required properties:
> - compatible: platform specific
> - cpu-of-node: the device node of cpu_dai
> 
> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
> ---
> Changes in v2:
> - remove codec-name and codec-dai-name
> - rename rockchip,rockchip-hdmi-audio.txt to rockchip,rockchip-dw-hdmi-audio.txt
> 
>  .../bindings/sound/rockchip,rockchip-dw-hdmi-audio.txt       | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rockchip-dw-hdmi-audio.txt
> 
> diff --git a/Documentation/devicetree/bindings/sound/rockchip,rockchip-dw-hdmi-audio.txt b/Documentation/devicetree/bindings/sound/rockchip,rockchip-dw-hdmi-audio.txt
> new file mode 100644
> index 0000000..5b86eed
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/rockchip,rockchip-dw-hdmi-audio.txt
> @@ -0,0 +1,12 @@
> +Rockchip hdmi audio bindings
> +
> +Required properties:
> +- compatible: platform specific
> +- cpu-of-node: the device node of cpu_dai
> +
> +Example:
> +
> +sound {
> +	compatible = "rockchip,rk3288-hdmi-audio";
> +	cpu-of-node = <&i2s>;
> +};

In patch 11, it looks like you parse a property called i2s-controller.
This doesn't appear to be documented.  Maybe it's what you call
"cpu-of-node" above?

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