dts: arm: renesas: ra: Add DAC support for Renesas RA4

Add support DAC for Renesas ra4-cm4 (RA4M1, RA4W1),
RA4E1, RA4L1

Signed-off-by: Khoa Nguyen <[email protected]>

Author: khoa-nguyen-18

dts/arm/renesas/ra/ra4/r7fa4e10x.dtsi

@@ -11,6 +11,7 @@
 /delete-node/ &spi1;
 /delete-node/ &agt4;
 /delete-node/ &adc1;
+/delete-node/ &dac1;
 /delete-node/ &iic1;
 /delete-node/ &pwm0;
 
@@ -259,3 +260,7 @@
 	port-irq6-pins = <9>;
 	port-irq7-pins = <8>;
 };
+
+&dac_global {
+	has-output-amplifier;
+};

dts/arm/renesas/ra/ra4/r7fa4l1bx.dtsi

@@ -244,6 +244,21 @@
 			status = "disabled";
 		};
 
+		dac_global: dac_global@40171000 {
+			compatible = "renesas,ra-dac-global";
+			reg = <0x40171000 0x10c4>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			has-davrefcr;
+
+			dac0: dac@0 {
+				compatible = "renesas,ra-dac";
+				#io-channel-cells = <1>;
+				reg = <0>;
+				status = "disabled";
+			};
+		};
+
 		iic0: iic0@4009f000 {
 			compatible = "renesas,ra-iic";
 			channel = <0>;

dts/arm/renesas/ra/ra4/r7fa4m1ax.dtsi

@@ -333,3 +333,7 @@
 &pwm3 {
 	clocks = <&pclkd MSTPD 6>;
 };
+
+&dac_global {
+	has-davrefcr;
+};

dts/arm/renesas/ra/ra4/r7fa4w1ad2cng.dtsi

@@ -237,3 +237,7 @@
 &pwm3 {
 	clocks = <&pclkd MSTPD 5>;
 };
+
+&dac_global {
+	has-davrefcr;
+};

dts/arm/renesas/ra/ra4/ra4-cm4-common.dtsi

@@ -218,6 +218,21 @@
 			status = "disabled";
 		};
 
+		dac_global: dac_global@4005e000 {
+			compatible = "renesas,ra-dac-global";
+			reg = <0x4005e000 0x10c4>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "okay";
+
+			dac0: dac@0 {
+				compatible = "renesas,ra-dac";
+				#io-channel-cells = <1>;
+				reg = <0>;
+				status = "disabled";
+			};
+		};
+
 		iic0: iic0@40053000 {
 			compatible = "renesas,ra-iic";
 			channel = <0>;