diff --git a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
index 455ed35ae5d3..0e6dc84e0199 100644
--- a/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3e-smarc-som.dtsi
@@ -352,6 +352,18 @@ sd2-pwen {
 		};
 	};
 
+	sound_clk_pins: sound-clk {
+		pinmux = <RZG3E_PORT_PINMUX(4, 2, 8)>, /* AUDIO_CLKB */
+			 <RZG3E_PORT_PINMUX(4, 3, 8)>; /* AUDIO_CLKC */
+	};
+
+	sound_pins: sound {
+		pinmux = <RZG3E_PORT_PINMUX(0, 2, 9)>, /* SSI3_SDATA */
+			 <RZG3E_PORT_PINMUX(0, 3, 9)>, /* SSI3_SCK */
+			 <RZG3E_PORT_PINMUX(0, 4, 9)>, /* SSI3_WS */
+			 <RZG3E_PORT_PINMUX(0, 5, 9)>; /* SSI4_SDATA */
+	};
+
 	xspi_pins: xspi0 {
 		pinmux = <RZG3E_PORT_PINMUX(M, 0, 0)>, /* XSPI0_IO0 */
 			 <RZG3E_PORT_PINMUX(M, 1, 0)>, /* XSPI0_IO1 */