arm64: dts: renesas: rzg2l-smarc: Add WM8978 sound codec

Add WM8978 sound codec node to RZ/G2L SMARC EVK.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210921084605.16250-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 8ecc5b45fc995aff70973e5af3a88543e1995275..85fd6dbabff247654cd7ac6a5c3163bae10dd5a7 100644 (file)
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -65,8 +65,15 @@
 &i2c3 {
        pinctrl-0 = <&i2c3_pins>;
        pinctrl-names = "default";
+       clock-frequency = <400000>;
 
        status = "okay";
+
+       wm8978: codec@1a {
+               compatible = "wlf,wm8978";
+               #sound-dai-cells = <0>;
+               reg = <0x1a>;
+       };
 };
 
 &ohci0 {