ARM: dts: iwg22d-sodimm: Enable SGTL5000 audio codec

This patch enables SGTL5000 audio codec on the carrier board.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 55e37da0309a2237cc8f14a43ba04b2fd2083c1c)
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 1486565..21e484f 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -26,6 +26,12 @@
 		stdout-path = "serial3:115200n8";
 	};
 
+	audio_clock: audio_clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+	};
+
 	vccq_sdhi0: regulator-vccq-sdhi0 {
 		compatible = "regulator-gpio";
 
@@ -55,6 +61,23 @@
 	status = "okay";
 };
 
+&i2c5 {
+	pinctrl-0 = <&i2c5_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	sgtl5000: codec@a {
+		compatible = "fsl,sgtl5000";
+		#sound-dai-cells = <0>;
+		reg = <0x0a>;
+		clocks = <&audio_clock>;
+		VDDA-supply = <&reg_3p3v>;
+		VDDIO-supply = <&reg_3p3v>;
+	};
+};
+
 &pfc {
 	can0_pins: can0 {
 		groups = "can0_data";
@@ -66,6 +89,11 @@
 		function = "hscif1";
 	};
 
+	i2c5_pins: i2c5 {
+		groups = "i2c5_b";
+		function = "i2c5";
+	};
+
 	scif4_pins: scif4 {
 		groups = "scif4_data_b";
 		function = "scif4";