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diff --git a/drivers/net/can/rcar/Kconfig b/drivers/net/can/rcar/Kconfig
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+# SPDX-License-Identifier: GPL-2.0
+config CAN_RCAR
+ tristate "Renesas R-Car and RZ/G CAN controller"
+ depends on ARCH_RENESAS || COMPILE_TEST
+ help
+ Say Y here if you want to use CAN controller found on Renesas R-Car
+ or RZ/G SoCs.
+
+ To compile this driver as a module, choose M here: the module will
+ be called rcar_can.
+
+config CAN_RCAR_CANFD
+ tristate "Renesas R-Car CAN FD controller"
+ depends on ARCH_RENESAS || COMPILE_TEST
+ help
+ Say Y here if you want to use CAN FD controller found on
+ Renesas R-Car SoCs. The driver puts the controller in CAN FD only
+ mode, which can interoperate with CAN2.0 nodes but does not support
+ dedicated CAN 2.0 mode.
+
+ To compile this driver as a module, choose M here: the module will
+ be called rcar_canfd.