[PATCH 4/4] arm64: dts: renesas: rzg2l-smarc: Add Mic routing

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Add audio routing for Mic with bias to reduce noise when doing
audio capture.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index 1791c21dfe74..39e05169aaaa 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -47,6 +47,12 @@
 		simple-audio-card,frame-master = <&cpu_dai>;
 		simple-audio-card,mclk-fs = <256>;
 
+		simple-audio-card,widgets = "Microphone", "Microphone Jack";
+		simple-audio-card,routing =
+			    "L2", "Mic Bias",
+			    "R2", "Mic Bias",
+			    "Mic Bias", "Microphone Jack";
+
 		cpu_dai: simple-audio-card,cpu {
 			sound-dai = <&ssi0>;
 		};
-- 
2.17.1




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