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-rw-r--r--target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch62
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch b/target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch
new file mode 100644
index 0000000000..569026398e
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch
@@ -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 |
+@@ -1738,6 +1745,7 @@ 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, },