diff options
Diffstat (limited to 'dts/Bindings/sound/rockchip-i2s.txt')
| -rw-r--r-- | dts/Bindings/sound/rockchip-i2s.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/dts/Bindings/sound/rockchip-i2s.txt b/dts/Bindings/sound/rockchip-i2s.txt index 2267d249ca..b7f3a9325e 100644 --- a/dts/Bindings/sound/rockchip-i2s.txt +++ b/dts/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>; }; |