arm64: dts: renesas: rzg2ul-smarc: Enable i2c{0,1} and wm8978

Enable i2c{0,1} on RZ/G2UL SMARC EVK by deleting respective
entries from board dts and adding pincontrol entries to the
soc-pinctrl dtsi. Also enable wm8978 audio codec.
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/20220425170530.200921-8-biju.das.jz@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts

@@ -38,24 +38,6 @@ &hsusb {
 	status = "disabled";
 };
 
-&i2c0 {
-	/delete-property/ pinctrl-0;
-	/delete-property/ pinctrl-names;
-	status = "disabled";
-};
-
-&i2c1 {
-	/delete-property/ pinctrl-0;
-	/delete-property/ pinctrl-names;
-	status = "disabled";
-
-	wm8978: codec@1a {
-		compatible = "wlf,wm8978";
-		#sound-dai-cells = <0>;
-		reg = <0x1a>;
-	};
-};
-
 &ohci0 {
 	/delete-property/ pinctrl-0;
 	/delete-property/ pinctrl-names;

arch/arm64/boot/dts/renesas/rzg2ul-smarc-pinfunction.dtsi

@@ -12,6 +12,16 @@ &pinctrl {
 	pinctrl-0 = <&sound_clk_pins>;
 	pinctrl-names = "default";
 
+	i2c0_pins: i2c0 {
+		pins = "RIIC0_SDA", "RIIC0_SCL";
+		input-enable;
+	};
+
+	i2c1_pins: i2c1 {
+		pins = "RIIC1_SDA", "RIIC1_SCL";
+		input-enable;
+	};
+
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(6, 4, 6)>, /* TxD */
 			 <RZG2L_PORT_PINMUX(6, 3, 6)>; /* RxD */

arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi

@@ -19,6 +19,14 @@
 #include "rzg2ul-smarc-pinfunction.dtsi"
 #include "rz-smarc-common.dtsi"
 
+&i2c1 {
+	wm8978: codec@1a {
+		compatible = "wlf,wm8978";
+		#sound-dai-cells = <0>;
+		reg = <0x1a>;
+	};
+};
+
 &vccq_sdhi1 {
 	gpios = <&pinctrl RZG2L_GPIO(6, 1) GPIO_ACTIVE_HIGH>;
 };