arm64: dts: meson-axg: s400: add dmic codec

There are 7 digital mics on the MIC daughter board attached
to the s400 board, so add the digital microphone codec to
its DTS

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index ff64c429d432..f3e16cbbc61e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -86,6 +86,15 @@
                 sound-name-prefix = "DIT";
         };
 
+        dmics: audio-codec@3 {
+                #sound-dai-cells = <0>;
+                compatible = "dmic-codec";
+                num-channels = <7>;
+                wakeup-delay-ms = <50>;
+                status = "okay";
+                sound-name-prefix = "MIC";
+        };
+
         emmc_pwrseq: emmc-pwrseq {
                 compatible = "mmc-pwrseq-emmc";
                 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;