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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>
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‎boards/renesas/ek_ra2a1/doc/index.rst

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@@ -88,6 +88,8 @@ hardware features:
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+-----------+------------+-------------------------------+
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| I2C | on-chip | i2c |
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+-----------+------------+-------------------------------+
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| DAC | on-chip | dac |
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+-----------+------------+-------------------------------+
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The default configuration can be found in
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:zephyr_file:`boards/renesas/ek_ra2a1/ek_ra2a1_defconfig`

‎boards/renesas/ek_ra2a1/ek_ra2a1-pinctrl.dtsi

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drive-strength = "medium";
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};
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};
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dac0_default: dac0_default {
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group1 {
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/* output */
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psels = <RA_PSEL(RA_PSEL_CAC_DAC, 5, 0)>;
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renesas,analog-enable;
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};
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};
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};

‎boards/renesas/ek_ra2a1/ek_ra2a1.dts

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interrupt-names = "rxi", "txi", "tei", "eri";
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status = "okay";
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};
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&dac0 {
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pinctrl-0 = <&dac0_default>;
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pinctrl-names = "default";
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status = "okay";
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};

‎boards/renesas/ek_ra4e2/doc/index.rst

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@@ -108,6 +108,8 @@ The below features are currently supported on Zephyr OS for EK-RA4E2 board:
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+-----------+------------+----------------------+
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| FLASH | on-chip | flash |
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+-----------+------------+----------------------+
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| DAC | on-chip | dac |
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+-----------+------------+----------------------+
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Other hardware features are currently not supported by the port.
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‎boards/renesas/ek_ra4e2/ek_ra4e2-pinctrl.dtsi

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* Copyright (c) 2024-2025 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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};
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};
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dac0_default: dac0_default {
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group1 {
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/* output */
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psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
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renesas,analog-enable;
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};
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};
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pwm1_default: pwm1_default {
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group1 {
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/* GTIOC1A GTIOC1B */

‎boards/renesas/ek_ra4e2/ek_ra4e2.dts

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* Copyright (c) 2024-2025 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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pinctrl-names = "default";
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};
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&dac0 {
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pinctrl-0 = <&dac0_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&ioport3 {
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status = "okay";
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};

‎boards/renesas/ek_ra4m2/doc/index.rst

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@@ -112,6 +112,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M2 board:
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+-----------+------------+----------------------+
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| ENTROPY | on-chip | entropy |
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+-----------+------------+----------------------+
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| DAC | on-chip | dac |
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+-----------+------------+----------------------+
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Other hardware features are currently not supported by the port.
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‎boards/renesas/ek_ra4m2/ek_ra4m2-pinctrl.dtsi

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* Copyright (c) 2024-2025 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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};
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};
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dac0_default: dac0_default {
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group1 {
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/* output */
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psels = <RA_PSEL(RA_PSEL_DAC, 0, 14)>;
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renesas,analog-enable;
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};
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};
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pwm1_default: pwm1_default {
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group1 {
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/* GTIOC1A GTIOC1B */

‎boards/renesas/ek_ra4m2/ek_ra4m2.dts

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* Copyright (c) 2024-2025 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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pinctrl-names = "default";
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};
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&dac0 {
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pinctrl-0 = <&dac0_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&port_irq10 {
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interrupts = <41 12>;
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status = "okay";

‎boards/renesas/ek_ra4m3/doc/index.rst

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@@ -114,6 +114,8 @@ The below features are currently supported on Zephyr OS for EK-RA4M3 board:
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+-----------+------------+----------------------+
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| ENTROPY | on-chip | entropy |
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+-----------+------------+----------------------+
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| DAC | on-chip | dac |
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+-----------+------------+----------------------+
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Other hardware features are currently not supported by the port.
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