can: c_can: Add RAMINIT register information to driver data

Some platforms (e.g. TI) need special RAMINIT register handling.
Provide a way to store RAMINIT register description in driver data.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index 26c975d914e3..3f111f4f0f6e 100644
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -169,8 +169,18 @@ enum c_can_dev_id {
         BOSCH_D_CAN,
 };
 
+struct raminit_bits {
+        u8 start;
+        u8 done;
+};
+
 struct c_can_driver_data {
         enum c_can_dev_id id;
+
+        /* RAMINIT register description. Optional. */
+        const struct raminit_bits *raminit_bits; /* Array of START/DONE bit positions */
+        u8 raminit_num;         /* Number of CAN instances on the SoC */
+        bool raminit_pulse;     /* If set, sets and clears START bit (pulse) */
 };
 
 /* c_can private data structure */