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Date:   Wed, 23 Sep 2020 10:54:17 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, linux-can@...r.kernel.org,
        kernel@...gutronix.de, michael@...le.cc, qiangqing.zhang@....com,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 19/20] can: flexcan: add imx8qm support

From: Joakim Zhang <qiangqing.zhang@....com>

The Flexcan on i.MX8QM supports CAN FD protocol.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
Link: https://lore.kernel.org/r/20190712075926.7357-8-qiangqing.zhang@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/flexcan.c | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index fc98b5d521f2..5f778c961a0c 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -206,15 +206,16 @@
 /* FLEXCAN hardware feature flags
  *
  * Below is some version info we got:
- *    SOC   Version   IP-Version  Glitch- [TR]WRN_INT IRQ Err Memory err RTR re-
- *                                Filter? connected?  Passive detection  ception in MB
- *   MX25  FlexCAN2  03.00.00.00     no        no        no       no        no
- *   MX28  FlexCAN2  03.00.04.00    yes       yes        no       no        no
- *   MX35  FlexCAN2  03.00.00.00     no        no        no       no        no
- *   MX53  FlexCAN2  03.00.00.00    yes        no        no       no        no
- *   MX6s  FlexCAN3  10.00.12.00    yes       yes        no       no       yes
- *   VF610 FlexCAN3  ?               no       yes        no      yes       yes?
- * LS1021A FlexCAN2  03.00.04.00     no       yes        no       no       yes
+ *    SOC   Version   IP-Version  Glitch- [TR]WRN_INT IRQ Err Memory err RTR rece-   FD Mode
+ *                                Filter? connected?  Passive detection  ption in MB Supported?
+ *   MX25  FlexCAN2  03.00.00.00     no        no        no       no        no           no
+ *   MX28  FlexCAN2  03.00.04.00    yes       yes        no       no        no           no
+ *   MX35  FlexCAN2  03.00.00.00     no        no        no       no        no           no
+ *   MX53  FlexCAN2  03.00.00.00    yes        no        no       no        no           no
+ *   MX6s  FlexCAN3  10.00.12.00    yes       yes        no       no       yes           no
+ *   MX8QM FlexCAN3  03.00.23.00    yes       yes        no       no       yes          yes
+ *   VF610 FlexCAN3  ?               no       yes        no      yes       yes?          no
+ * LS1021A FlexCAN2  03.00.04.00     no       yes        no       no       yes           no
  *
  * Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
  */
@@ -368,6 +369,12 @@ static const struct flexcan_devtype_data fsl_imx6q_devtype_data = {
 		FLEXCAN_QUIRK_SETUP_STOP_MODE,
 };
 
+static const struct flexcan_devtype_data fsl_imx8qm_devtype_data = {
+	.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
+		FLEXCAN_QUIRK_USE_OFF_TIMESTAMP | FLEXCAN_QUIRK_BROKEN_PERR_STATE |
+		FLEXCAN_QUIRK_SUPPORT_FD,
+};
+
 static const struct flexcan_devtype_data fsl_vf610_devtype_data = {
 	.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
 		FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP |
@@ -1830,6 +1837,7 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
 }
 
 static const struct of_device_id flexcan_of_match[] = {
+	{ .compatible = "fsl,imx8qm-flexcan", .data = &fsl_imx8qm_devtype_data, },
 	{ .compatible = "fsl,imx6q-flexcan", .data = &fsl_imx6q_devtype_data, },
 	{ .compatible = "fsl,imx28-flexcan", .data = &fsl_imx28_devtype_data, },
 	{ .compatible = "fsl,imx53-flexcan", .data = &fsl_imx25_devtype_data, },
-- 
2.28.0

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