drivers: pwm: Add PWM support for Renesas RZ/A3UL

Add PWM driver support for Renesas RZ/A3UL

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

Author: Hieu Nguyen

drivers/pwm/CMakeLists.txt

@@ -58,6 +58,7 @@ zephyr_library_sources_ifdef(CONFIG_PWM_RENESAS_RX_MTU	pwm_renesas_rx_mtu.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_INFINEON_CAT1	pwm_ifx_cat1.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_FAKE	pwm_fake.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_RENESAS_RZ_GPT	pwm_renesas_rz_gpt.c)
+zephyr_library_sources_ifdef(CONFIG_PWM_RENESAS_RZ_MTU	pwm_renesas_rz_mtu.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_NEORV32	pwm_neorv32.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_WCH_GPTM        pwm_wch_gptm.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_AMBIQ_TIMER   pwm_ambiq_timer.c)

drivers/pwm/Kconfig.renesas_rz

@@ -1,4 +1,4 @@
-# Copyright (c) 2024 Renesas Electronics Corporation
+# Copyright (c) 2024-2025 Renesas Electronics Corporation
 # SPDX-License-Identifier: Apache-2.0
 
 config PWM_RENESAS_RZ_GPT
@@ -8,3 +8,11 @@ config PWM_RENESAS_RZ_GPT
 	select USE_RZ_FSP_GPT
 	help
 	  Enable the PWM driver for the Renesas RZ General PWM Timer (GPT).
+
+config PWM_RENESAS_RZ_MTU
+	bool "Renesas RZ Multi-Function Timer Pulse (MTU) PWM driver"
+	default y
+	depends on DT_HAS_RENESAS_RZ_MTU_PWM_ENABLED
+	select USE_RZ_FSP_MTU
+	help
+	  Enable the PWM driver for the Renesas RZ Multi-Function Timer Pulse (MTU).