rockchip,capture-channels: max capture channels, 2 channels default.
Signed-off-by: Sugar Zhang sugar.zhang@rock-chips.com ---
Changes in v2: - remove unused lrck property
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 9b82c20..925dd52 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 +- rockchip,capture-channels: max capture channels, if not set, 2 channels default.
Example for rk3288 I2S controller:
@@ -34,4 +35,5 @@ i2s@ff890000 { dma-names = "tx", "rx"; clock-names = "i2s_hclk", "i2s_clk"; clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>; + rockchip,capture-channels = <2>; };