diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
-rw-r--r-- | Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt index f19b6c830a34..eac91db07178 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt @@ -6,10 +6,17 @@ Required properties: connected to the codecs - rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs +Optional properties: +- dmic-wakeup-delay-ms : specify delay time (ms) for DMIC ready. + If this option is specified, which means it's required dmic need + delay for DMIC to ready so that rt5514 can avoid recording before + DMIC send valid data + Example: sound { compatible = "rockchip,rk3399-gru-sound"; rockchip,cpu = <&i2s0>; rockchip,codec = <&max98357a &rt5514 &da7219>; + dmic-wakeup-delay-ms = <20>; }; |