drivers: pwm: Add support for PWM driver on RSK_RX130_512KB

This is initial commit to support PWM driver
on Renesas RX130 with MTU modules.

Signed-off-by: Phi Tran <[email protected]>

Author: Phi Tran

drivers/pwm/CMakeLists.txt

@@ -49,6 +49,7 @@ zephyr_library_sources_ifdef(CONFIG_PWM_NXP_FLEXIO	pwm_nxp_flexio.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_NXP_S32_EMIOS pwm_nxp_s32_emios.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_ENE_KB1200	pwm_ene_kb1200.c)
 zephyr_library_sources_ifdef(CONFIG_PWM_RENESAS_RA	pwm_renesas_ra.c)
+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)

drivers/pwm/Kconfig

@@ -118,6 +118,8 @@ source "drivers/pwm/Kconfig.ene"
 
 source "drivers/pwm/Kconfig.renesas_ra"
 
+source "drivers/pwm/Kconfig.renesas_rx_mtu"
+
 source "drivers/pwm/Kconfig.ifx_cat1"
 
 source "drivers/pwm/Kconfig.fake"

drivers/pwm/Kconfig.renesas_rx_mtu

@@ -0,0 +1,9 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config PWM_RENESAS_RX_MTU
+	bool "Renesas RX MTU PWM driver"
+	default y
+	depends on DT_HAS_RENESAS_RX_MTU_PWM_ENABLED
+	help
+	  Enable the Renesas RX PWM driver.