netdev - [net 5/6] can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0

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Message-Id: <20201127100301.512603-6-mkl@pengutronix.de>
Date:   Fri, 27 Nov 2020 11:03:00 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de, Pankaj Sharma <pankj.sharma@...sung.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [net 5/6] can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0

From: Pankaj Sharma <pankj.sharma@...sung.com>

Add support for mcan bit timing and control mode according to bosch mcan IP
version 3.3.0. The mcan version read from the Core Release field of CREL
register would be 33. Accordingly the properties are to be set for mcan v3.3.0

Signed-off-by: Pankaj Sharma <pankj.sharma@...sung.com>
Link: https://lore.kernel.org/r/1606366302-5520-1-git-send-email-pankj.sharma@samsung.com
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/m_can/m_can.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index d4030abad935..61a93b192037 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1385,6 +1385,8 @@ static int m_can_dev_setup(struct m_can_classdev *m_can_dev)
 						&m_can_data_bittiming_const_31X;
 		break;
 	case 32:
+	case 33:
+		/* Support both MCAN version v3.2.x and v3.3.0 */
 		m_can_dev->can.bittiming_const = m_can_dev->bit_timing ?
 			m_can_dev->bit_timing : &m_can_bittiming_const_31X;
 
-- 
2.29.2