| Message ID | 1446773891-32174-3-git-send-email-sugar.zhang@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt index 9b82c20..ace3b1e 100644 --- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt +++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt @@ -22,6 +22,10 @@ Required properties: - "i2s_hclk": clock for I2S BUS - "i2s_clk" : clock for I2S controller +Optional properties: + +- rockchip,capture-channels: max capture channels, if not set, 2 channels default. + Example for rk3288 I2S controller: i2s@ff890000 { @@ -34,4 +38,5 @@ i2s@ff890000 { dma-names = "tx", "rx"; clock-names = "i2s_hclk", "i2s_clk"; clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>; + rockchip,capture-channels = <2>; };
rockchip,capture-channels: max capture channels, 2 channels default. Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> --- Changes in v3: - move property into the Optional properties section Changes in v2: - remove unused lrck property Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 5 +++++ 1 file changed, 5 insertions(+)