drivers: can: Initial support for RZ/G3S

Add CAN driver support for Renesas RZ/G3S

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

Author: Hieu Nguyen

drivers/can/CMakeLists.txt

@@ -27,6 +27,7 @@ zephyr_library_sources_ifdef(CONFIG_CAN_NUMAKER             can_numaker.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_NXP_S32_CANXL       can_nxp_s32_canxl.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_RCAR                can_rcar.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_RENESAS_RA_CANFD    can_renesas_ra.c)
+zephyr_library_sources_ifdef(CONFIG_CAN_RENESAS_RZ_CANFD    can_renesas_rz_canfd.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_SAM                 can_sam.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_SAM0                can_sam0.c)
 zephyr_library_sources_ifdef(CONFIG_CAN_SJA1000             can_sja1000.c)

drivers/can/Kconfig

@@ -130,6 +130,7 @@ source "drivers/can/Kconfig.mcp251xfd"
 source "drivers/can/Kconfig.xmc4xxx"
 source "drivers/can/Kconfig.nrf"
 source "drivers/can/Kconfig.renesas_ra"
+source "drivers/can/Kconfig.renesas_rz"
 
 source "drivers/can/transceiver/Kconfig"
 

drivers/can/Kconfig.renesas_rz

@@ -0,0 +1,11 @@
+# Copyright (c) 2025 Renesas Electronics Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config CAN_RENESAS_RZ_CANFD
+	bool "Renesas RZ CANFD"
+	default y
+	depends on DT_HAS_RENESAS_RZ_CANFD_ENABLED
+	select USE_RZ_FSP_CANFD
+	select CLOCK_CONTROL
+	help
+	  Enable Renesas RZ CANFD driver