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ASoC: rockchip: add playback property

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rockchip,playback-channels: max playback channels, 8 channels default.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sugar Zhang 2015-11-10 15:32:08 +08:00 committed by Mark Brown
parent c4f9374ddc
commit 7fd9093a75
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/sound/rockchip-i2s.txt
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@ -19,6 +19,7 @@ Required properties:
- clock-names: should contain followings:
- "i2s_hclk": clock for I2S BUS
- "i2s_clk" : clock for I2S controller
- rockchip,playback-channels: max playback channels, if not set, 8 channels default.
- rockchip,capture-channels: max capture channels, if not set, 2 channels default.
Example for rk3288 I2S controller:
@ -31,5 +32,6 @@ i2s@ff890000 {
dma-names = "tx", "rx";
clock-names = "i2s_hclk", "i2s_clk";
clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>;
rockchip,playback-channels = <8>;
rockchip,capture-channels = <2>;
};