linux-kernel - [PATCH 1/2] ASoC: rockchip-i2s: dt: add i2s

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Date:	Wed, 19 Nov 2014 11:06:04 +0800
From:	Jianqun Xu <jay.xu@...k-chips.com>
To:	heiko@...ech.de, lgirdwood@...il.com, broonie@...nel.org,
	perex@...ex.cz, tiwai@...e.de,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, huangtao@...k-chips.com
Cc:	Jianqun Xu <jay.xu@...k-chips.com>
Subject: [PATCH 1/2] ASoC: rockchip-i2s: dt: add i2s_clkout to list of clocks

Add i2s_clkout property, which enables output clock to chip outside,
this is generally for audio codec outside.

Also add it to example.

Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com>
---
 Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
index 9b82c20..3d23b15 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
@@ -21,6 +21,7 @@ Required properties:
 - clock-names: should contain followings:
    - "i2s_hclk": clock for I2S BUS
    - "i2s_clk" : clock for I2S controller
+   - "i2s_clko" : clock for codec outside of chip
 
 Example for rk3288 I2S controller:
 
@@ -32,6 +33,6 @@ i2s@...90000 {
 	#size-cells = <0>;
 	dmas = <&pdma1 0>, <&pdma1 1>;
 	dma-names = "tx", "rx";
-	clock-names = "i2s_hclk", "i2s_clk";
-	clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
+	clock-names = "i2s_hclk", "i2s_clk", "i2s_clko";
+	clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_CLKOUT>;
 };
-- 
1.9.1

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