The GR8-EVB comes with a wm8978 codec connected to the i2s bus.
Add a card in order to have it working
Signed-off-by: Maxime Ripard maxime.ripard@free-electrons.com --- arch/arm/boot/dts/ntc-gr8-evb.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/ntc-gr8-evb.dts b/arch/arm/boot/dts/ntc-gr8-evb.dts index 12b4317a4383..5291e425caf9 100644 --- a/arch/arm/boot/dts/ntc-gr8-evb.dts +++ b/arch/arm/boot/dts/ntc-gr8-evb.dts @@ -76,6 +76,20 @@ default-brightness-level = <8>; };
+ i2s { + compatible = "simple-audio-card"; + simple-audio-card,name = "gr8-evb-wm8978"; + simple-audio-card,format = "i2s"; + simple-audio-card,mclk-fs = <512>; + + simple-audio-card,cpu { + sound-dai = <&i2s0>; + }; + + simple-audio-card,codec { + sound-dai = <&wm8978>; + }; + };
panel { compatible = "allwinner,sun4i-a10-sub-evb-5-lcd";