linux-kernel - [PATCH 2/2] ASoC: rockchip-max98090: add documentation for rockchip-max98090 driver

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Message-Id: <1412646440-9503-1-git-send-email-jay.xu@rock-chips.com>
Date:	Tue,  7 Oct 2014 09:47:20 +0800
From:	Jianqun <jay.xu@...k-chips.com>
To:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	heiko@...ech.de, lgirdwood@...il.com, broonie@...nel.org,
	perex@...ex.cz, tiwai@...e.de, grant.likely@...aro.org,
	jay.xu@...k-chips.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/2] ASoC: rockchip-max98090: add documentation for rockchip-max98090 driver

Add documentation for rockchip-max98090 driver, which is need by rockchip
board using a max98090.

Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com>
---
 .../sound/rockchip,rockchip-audio-max98090.txt     | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-max98090.txt

diff --git a/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-max98090.txt b/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-max98090.txt
new file mode 100644
index 0000000..e12d1a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/rockchip,rockchip-audio-max98090.txt
@@ -0,0 +1,23 @@
+ROCKCHIP audio complex, with MAX98090 CODEC
+
+Required properties:
+- compatible : must be "rockchip,rockchip-audio-max98090"
+- rockchip,model : the user-visible name of this sound complex
+- rockchip,i2s-controller : The phandle of the rockchip I2S controller
+  that's connected to the CODEC.
+- rockchip,audio-codec : The phandle of the MAX98090 audio codec.
+
+Optional properties:
+- rockchip,hp-det-gpios : The GPIO that detect headphones are plugged in
+- rockchip,mic-det-gpios : The GPIO that detect micphones are plugged in
+
+Example:
+
+sound {
+	compatible = "rockchip,rockchip-audio-max98090";
+	rockchip,model = "ROCKCHIP-I2S";
+	rockchip,i2s-controller = <&i2s>;
+	rockchip,audio-codec = <&max98090>;
+	rockchip,hp-det-gpios = <&gpio6 5 GPIO_ACTIVE_HIGH>;
+	rockchip,mic-det-gpios = <&gpio6 11 GPIO_ACTIVE_HIGH>;
+};
-- 
1.9.1


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