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domenico
2025-06-24 13:14:22 +02:00
commit 4002f145fc
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target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch Normal file
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@@ -0,0 +1,62 @@
From 7ff112c7b144fb084f28f944d7021cd04acabecd Mon Sep 17 00:00:00 2001
From: Joakim Zhang <qiangqing.zhang@nxp.com>
Date: Fri, 12 Jul 2019 08:02:59 +0000
Subject: [PATCH] can: flexcan: add imx8qm support
The Flexcan on i.MX8QM supports CAN FD protocol.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/flexcan.c | 26 +++++++++++++++++---------
1 file changed, 17 insertions(+), 9 deletions(-)
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -200,15 +200,16 @@
/* 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.
*/
@@ -347,6 +348,12 @@ static const struct flexcan_devtype_data
FLEXCAN_QUIRK_SETUP_STOP_MODE,
};
+static 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_TIMESTAMP_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 |
@@ -1775,6 +1782,7 @@ out_put_node:
}
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, },