rockchip,playback-channels: max playback channels, 8 channels default.
Signed-off-by: Sugar Zhang <sugar.zh...@rock-chips.com>
---
Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
index 2267d24..b7f3a93 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
@@ -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>;
};
--
2.3.6
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