can: xilinx_can: Add cantype parameter in xcan_devtype_data struct

To differentiate between different CAN IP's this patch adds
cantype enum variable in the xcan_devtype_data structure

Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 0e3f3a536a1d0879b7147a0b9b958724eda68bc9..e76418c94dae0eb2ee86d80aa2ceeca3c4b00a2e 100644 (file)
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -149,7 +149,15 @@ enum xcan_reg {
 #define XCAN_FLAG_RX_FIFO_MULTI        0x0010
 #define XCAN_FLAG_CANFD_2      0x0020
 
+enum xcan_ip_type {
+       XAXI_CAN = 0,
+       XZYNQ_CANPS,
+       XAXI_CANFD,
+       XAXI_CANFD_2_0,
+};
+
 struct xcan_devtype_data {
+       enum xcan_ip_type cantype;
        unsigned int flags;
        const struct can_bittiming_const *bittiming_const;
        const char *bus_clk_name;
@@ -1426,6 +1434,7 @@ static const struct dev_pm_ops xcan_dev_pm_ops = {
 };
 
 static const struct xcan_devtype_data xcan_zynq_data = {
+       .cantype = XZYNQ_CANPS,
        .flags = XCAN_FLAG_TXFEMP,
        .bittiming_const = &xcan_bittiming_const,
        .btr_ts2_shift = XCAN_BTR_TS2_SHIFT,
@@ -1434,6 +1443,7 @@ static const struct xcan_devtype_data xcan_zynq_data = {
 };
 
 static const struct xcan_devtype_data xcan_axi_data = {
+       .cantype = XAXI_CAN,
        .flags = XCAN_FLAG_TXFEMP,
        .bittiming_const = &xcan_bittiming_const,
        .btr_ts2_shift = XCAN_BTR_TS2_SHIFT,
@@ -1442,6 +1452,7 @@ static const struct xcan_devtype_data xcan_axi_data = {
 };
 
 static const struct xcan_devtype_data xcan_canfd_data = {
+       .cantype = XAXI_CANFD,
        .flags = XCAN_FLAG_EXT_FILTERS |
                 XCAN_FLAG_RXMNF |
                 XCAN_FLAG_TX_MAILBOXES |
@@ -1453,6 +1464,7 @@ static const struct xcan_devtype_data xcan_canfd_data = {
 };
 
 static const struct xcan_devtype_data xcan_canfd2_data = {
+       .cantype = XAXI_CANFD_2_0,
        .flags = XCAN_FLAG_EXT_FILTERS |
                 XCAN_FLAG_RXMNF |
                 XCAN_FLAG_TX_MAILBOXES |