can: add Renesas R-Car CAN driver

Add support for the CAN controller found in Renesas R-Car SoCs.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/can/platform/rcar_can.h b/include/linux/can/platform/rcar_can.h
new file mode 100644
index 000000000000..0f4a2f3df504
--- /dev/null
+++ b/include/linux/can/platform/rcar_can.h
@@ -0,0 +1,17 @@
+#ifndef _CAN_PLATFORM_RCAR_CAN_H_
+#define _CAN_PLATFORM_RCAR_CAN_H_
+
+#include <linux/types.h>
+
+/* Clock Select Register settings */
+enum CLKR {
+        CLKR_CLKP1 = 0, /* Peripheral clock (clkp1) */
+        CLKR_CLKP2 = 1, /* Peripheral clock (clkp2) */
+        CLKR_CLKEXT = 3 /* Externally input clock */
+};
+
+struct rcar_can_platform_data {
+        enum CLKR clock_select; /* Clock source select */
+};
+
+#endif  /* !_CAN_PLATFORM_RCAR_CAN_H_ */