boards: renesas: Initial support DAC driver for Renesas RA

Add support DAC driver for ek_ra8m1, ek_ra8d1, mck_ra8t1, ek_ra6m5, ek_ra6m4, ek_ra6m3, ek_ra6m2, ek_ra6m1, ek_ra6e2, fpb_ra6e2, fpb_ra6e1, ek_ra4m3, ek_ra4m2, ek_ra4e2, ek_ra2a1 Signed-off-by: Khoa Nguyen <khoa.nguyen.xh@renesas.com>
7 months ago · d42f10eac1
45 changed files with 266 additions and 26 deletions
--- a/boards/renesas/ek_ra2a1/doc/index.rst
+++ b/boards/renesas/ek_ra2a1/doc/index.rst
@ -88,6 +88,8 @@ hardware features:
				@@ -88,6 +88,8 @@ hardware features:
 +-----------+------------+-------------------------------+
 | I2C       | on-chip    | i2c                           |
 +-----------+------------+-------------------------------+
+| DAC       | on-chip    | dac                           |
+-----------+------------+-------------------------------+

 The default configuration can be found in
 :zephyr_file:`boards/renesas/ek_ra2a1/ek_ra2a1_defconfig`
--- a/boards/renesas/ek_ra2a1/ek_ra2a1-pinctrl.dtsi
+++ b/boards/renesas/ek_ra2a1/ek_ra2a1-pinctrl.dtsi
@ -43,4 +43,12 @@
				@@ -43,4 +43,12 @@
 			drive-strength = "medium";
 		};
 	};
+
+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_CAC_DAC, 5, 0)>;
+			renesas,analog-enable;
+		};
+	};
 };
--- a/boards/renesas/ek_ra2a1/ek_ra2a1.dts
+++ b/boards/renesas/ek_ra2a1/ek_ra2a1.dts
@ -109,3 +109,9 @@
				@@ -109,3 +109,9 @@
 	interrupt-names = "rxi", "txi", "tei", "eri";
 	status = "okay";
 };
+
+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
--- a/boards/renesas/ek_ra4e2/doc/index.rst
+++ b/boards/renesas/ek_ra4e2/doc/index.rst
@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA4E2 board:
				@@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA4E2 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra4e2/ek_ra4e2-pinctrl.dtsi
+++ b/boards/renesas/ek_ra4e2/ek_ra4e2-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra4e2/ek_ra4e2.dts
+++ b/boards/renesas/ek_ra4e2/ek_ra4e2.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -142,6 +142,12 @@
				@@ -142,6 +142,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &ioport3 {
 	status = "okay";
 };
--- a/boards/renesas/ek_ra4m2/doc/index.rst
+++ b/boards/renesas/ek_ra4m2/doc/index.rst
@ -112,6 +112,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M2 board:
				@@ -112,6 +112,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M2 board:
 +-----------+------------+----------------------+
 | ENTROPY   | on-chip    | entropy              |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra4m2/ek_ra4m2-pinctrl.dtsi
+++ b/boards/renesas/ek_ra4m2/ek_ra4m2-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -30,6 +30,14 @@
				@@ -30,6 +30,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra4m2/ek_ra4m2.dts
+++ b/boards/renesas/ek_ra4m2/ek_ra4m2.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -109,6 +109,12 @@
				@@ -109,6 +109,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq10 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra4m3/doc/index.rst
+++ b/boards/renesas/ek_ra4m3/doc/index.rst
@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M3 board:
				@@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M3 board:
 +-----------+------------+----------------------+
 | ENTROPY   | on-chip    | entropy              |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra4m3/ek_ra4m3-pinctrl.dtsi
+++ b/boards/renesas/ek_ra4m3/ek_ra4m3-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -30,6 +30,14 @@
				@@ -30,6 +30,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra4m3/ek_ra4m3.dts
+++ b/boards/renesas/ek_ra4m3/ek_ra4m3.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -109,6 +109,12 @@
				@@ -109,6 +109,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq10 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6e2/doc/index.rst
+++ b/boards/renesas/ek_ra6e2/doc/index.rst
@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA6E2 board:
				@@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA6E2 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6e2/ek_ra6e2-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6e2/ek_ra6e2-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6e2/ek_ra6e2.dts
+++ b/boards/renesas/ek_ra6e2/ek_ra6e2.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -143,6 +143,12 @@
				@@ -143,6 +143,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq9 {
 	interrupts = <4 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6m1/doc/index.rst
+++ b/boards/renesas/ek_ra6m1/doc/index.rst
@ -106,6 +106,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M1 board:
				@@ -106,6 +106,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M1 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6m1/ek_ra6m1-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m1/ek_ra6m1-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6m1/ek_ra6m1.dts
+++ b/boards/renesas/ek_ra6m1/ek_ra6m1.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -111,6 +111,12 @@
				@@ -111,6 +111,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq8 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6m2/doc/index.rst
+++ b/boards/renesas/ek_ra6m2/doc/index.rst
@ -100,6 +100,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M2 board:
				@@ -100,6 +100,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M2 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6m2/ek_ra6m2-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m2/ek_ra6m2-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6m2/ek_ra6m2.dts
+++ b/boards/renesas/ek_ra6m2/ek_ra6m2.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -107,6 +107,12 @@
				@@ -107,6 +107,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq0 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6m3/doc/index.rst
+++ b/boards/renesas/ek_ra6m3/doc/index.rst
@ -110,6 +110,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M3 board:
				@@ -110,6 +110,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M3 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6m3/ek_ra6m3-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m3/ek_ra6m3-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -46,6 +46,14 @@
				@@ -46,6 +46,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6m3/ek_ra6m3.dts
+++ b/boards/renesas/ek_ra6m3/ek_ra6m3.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -143,6 +143,12 @@
				@@ -143,6 +143,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq12 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6m4/doc/index.rst
+++ b/boards/renesas/ek_ra6m4/doc/index.rst
@ -115,6 +115,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M4 board:
				@@ -115,6 +115,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M4 board:
 +-----------+------------+----------------------+
 | ENTROPY   | on-chip    | entropy              |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6m4/ek_ra6m4.dts
+++ b/boards/renesas/ek_ra6m4/ek_ra6m4.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -127,6 +127,12 @@
				@@ -127,6 +127,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq10 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra6m5/doc/index.rst
+++ b/boards/renesas/ek_ra6m5/doc/index.rst
@ -115,6 +115,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M5 board:
				@@ -115,6 +115,8 @@ The below features are currently supported on Zephyr OS for EK-RA6M5 board:
 +-----------+------------+----------------------+
 | ENTROPY   | on-chip    | entropy              |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/ek_ra6m5/ek_ra6m5-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m5/ek_ra6m5-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -46,6 +46,14 @@
				@@ -46,6 +46,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/ek_ra6m5/ek_ra6m5.dts
+++ b/boards/renesas/ek_ra6m5/ek_ra6m5.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -131,6 +131,12 @@
				@@ -131,6 +131,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq9 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra8d1/doc/index.rst
+++ b/boards/renesas/ek_ra8d1/doc/index.rst
@ -123,6 +123,8 @@ The below features are currently supported on Zephyr OS for EK-RA8D1 board:
				@@ -123,6 +123,8 @@ The below features are currently supported on Zephyr OS for EK-RA8D1 board:
 +--------------+------------+-----------------------------------+
 | SDHC         | on-chip    | sdhc                              |
 +--------------+------------+-----------------------------------+
+| DAC          | on-chip    | dac                               |
+--------------+------------+-----------------------------------+

 **Note:**

--- a/boards/renesas/ek_ra8d1/ek_ra8d1-pinctrl.dtsi
+++ b/boards/renesas/ek_ra8d1/ek_ra8d1-pinctrl.dtsi
@ -86,6 +86,14 @@
				@@ -86,6 +86,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	sdram_default: sdram_default{
 		group1 {
 			/* SDRAM_DQM1 */
--- a/boards/renesas/ek_ra8d1/ek_ra8d1.dts
+++ b/boards/renesas/ek_ra8d1/ek_ra8d1.dts
@ -251,6 +251,12 @@
				@@ -251,6 +251,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq12 {
 	interrupts = <88 12>;
 	status = "okay";
--- a/boards/renesas/ek_ra8m1/doc/index.rst
+++ b/boards/renesas/ek_ra8m1/doc/index.rst
@ -120,6 +120,8 @@ The below features are currently supported on Zephyr OS for EK-RA8M1 board:
				@@ -120,6 +120,8 @@ The below features are currently supported on Zephyr OS for EK-RA8M1 board:
 +-----------+------------+----------------------+
 | SDHC      | on-chip    | sdhc                 |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 **Note:**

--- a/boards/renesas/ek_ra8m1/ek_ra8m1-pinctrl.dtsi
+++ b/boards/renesas/ek_ra8m1/ek_ra8m1-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -68,6 +68,14 @@
				@@ -68,6 +68,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	spi1_default: spi1_default {
 		group1 {
 			/* MISO MOSI RSPCK SSL*/
--- a/boards/renesas/ek_ra8m1/ek_ra8m1.dts
+++ b/boards/renesas/ek_ra8m1/ek_ra8m1.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -258,6 +258,12 @@ mikrobus_serial: &uart3 {};
				@@ -258,6 +258,12 @@ mikrobus_serial: &uart3 {};
 	average-count = <4>;
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &trng {
 	status = "okay";
 };
--- a/boards/renesas/fpb_ra6e1/doc/index.rst
+++ b/boards/renesas/fpb_ra6e1/doc/index.rst
@ -95,6 +95,8 @@ The below features are currently supported on Zephyr OS for FPB-RA6E1 board:
				@@ -95,6 +95,8 @@ The below features are currently supported on Zephyr OS for FPB-RA6E1 board:
 +-----------+------------+----------------------+
 | ENTROPY   | on-chip    | entropy              |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/fpb_ra6e1/fpb_ra6e1-pinctrl.dtsi
+++ b/boards/renesas/fpb_ra6e1/fpb_ra6e1-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -39,6 +39,14 @@
				@@ -39,6 +39,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/fpb_ra6e1/fpb_ra6e1.dts
+++ b/boards/renesas/fpb_ra6e1/fpb_ra6e1.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -117,6 +117,12 @@
				@@ -117,6 +117,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq1 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/fpb_ra6e2/doc/index.rst
+++ b/boards/renesas/fpb_ra6e2/doc/index.rst
@ -95,6 +95,8 @@ The below features are currently supported on Zephyr OS for FPB-RA6E2 board:
				@@ -95,6 +95,8 @@ The below features are currently supported on Zephyr OS for FPB-RA6E2 board:
 +-----------+------------+----------------------+
 | FLASH     | on-chip    | flash                |
 +-----------+------------+----------------------+
+| DAC       | on-chip    | dac                  |
+-----------+------------+----------------------+

 Other hardware features are currently not supported by the port.

--- a/boards/renesas/fpb_ra6e2/fpb_ra6e2-pinctrl.dtsi
+++ b/boards/renesas/fpb_ra6e2/fpb_ra6e2-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -30,6 +30,14 @@
				@@ -30,6 +30,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	pwm1_default: pwm1_default {
 		group1 {
 			/* GTIOC1A GTIOC1B */
--- a/boards/renesas/fpb_ra6e2/fpb_ra6e2.dts
+++ b/boards/renesas/fpb_ra6e2/fpb_ra6e2.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -106,6 +106,12 @@
				@@ -106,6 +106,12 @@
 	pinctrl-names = "default";
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &port_irq9 {
 	interrupts = <41 12>;
 	status = "okay";
--- a/boards/renesas/mck_ra8t1/doc/index.rst
+++ b/boards/renesas/mck_ra8t1/doc/index.rst
@ -116,6 +116,8 @@ The below features are currently supported on Zephyr OS for MCB-RA8T1 board:
				@@ -116,6 +116,8 @@ The below features are currently supported on Zephyr OS for MCB-RA8T1 board:
 +--------------+------------+----------------------+
 | SDHC         | on-chip    | sdhc                 |
 +--------------+------------+----------------------+
+| DAC          | on-chip    | dac                  |
+--------------+------------+----------------------+

 **Note:** For using SDHC module on EK-RA8M1, Connect microSD Card to microSD Socket (CN12)

--- a/boards/renesas/mck_ra8t1/mck_ra8t1-pinctrl.dtsi
+++ b/boards/renesas/mck_ra8t1/mck_ra8t1-pinctrl.dtsi
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -79,6 +79,14 @@
				@@ -79,6 +79,14 @@
 		};
 	};

+	dac0_default: dac0_default {
+		group1 {
+			/* output */
+			psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
+			renesas,analog-enable;
+		};
+	};
+
 	sdhc0_default: sdhc0_default {
 		group1 {
 			psels = <RA_PSEL(RA_PSEL_SDHI, 3, 6)>, /* SDCD */
--- a/boards/renesas/mck_ra8t1/mck_ra8t1.dts
+++ b/boards/renesas/mck_ra8t1/mck_ra8t1.dts
@ -1,5 +1,5 @@
				@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024 Renesas Electronics Corporation
+ * Copyright (c) 2024-2025 Renesas Electronics Corporation
 * SPDX-License-Identifier: Apache-2.0
 */

@ -184,6 +184,12 @@
				@@ -184,6 +184,12 @@
 	average-count = <4>;
 };

+&dac0 {
+	pinctrl-0 = <&dac0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &sdhc0 {
 	compatible = "renesas,ra-sdhc";
 	pinctrl-0 = <&sdhc0_default>;