target/linux/layerscape/patches-5.4/802-can-0023-can-flexcan-add-imx8qm-support.patch

   1 From 7ff112c7b144fb084f28f944d7021cd04acabecd Mon Sep 17 00:00:00 2001
   2 From: Joakim Zhang <qiangqing.zhang@nxp.com>
   3 Date: Fri, 12 Jul 2019 08:02:59 +0000
   4 Subject: [PATCH] can: flexcan: add imx8qm support
   5
   6 The Flexcan on i.MX8QM supports CAN FD protocol.
   7
   8 Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
   9 Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
  10 ---
  11  drivers/net/can/flexcan.c | 26 +++++++++++++++++---------
  12  1 file changed, 17 insertions(+), 9 deletions(-)
  13
  14 --- a/drivers/net/can/flexcan.c
  15 +++ b/drivers/net/can/flexcan.c
  16 @@ -200,15 +200,16 @@
  17  /* FLEXCAN hardware feature flags
  18   *
  19   * Below is some version info we got:
  20 - *    SOC   Version   IP-Version  Glitch- [TR]WRN_INT IRQ Err Memory err RTR re-
  21 - *                                Filter? connected?  Passive detection  ception in MB
  22 - *   MX25  FlexCAN2  03.00.00.00     no        no        no       no        no
  23 - *   MX28  FlexCAN2  03.00.04.00    yes       yes        no       no        no
  24 - *   MX35  FlexCAN2  03.00.00.00     no        no        no       no        no
  25 - *   MX53  FlexCAN2  03.00.00.00    yes        no        no       no        no
  26 - *   MX6s  FlexCAN3  10.00.12.00    yes       yes        no       no       yes
  27 - *   VF610 FlexCAN3  ?               no       yes        no      yes       yes?
  28 - * LS1021A FlexCAN2  03.00.04.00     no       yes        no       no       yes
  29 + *    SOC   Version   IP-Version  Glitch- [TR]WRN_INT IRQ Err Memory err RTR rece-   FD Mode
  30 + *                                Filter? connected?  Passive detection  ption in MB Supported?
  31 + *   MX25  FlexCAN2  03.00.00.00     no        no        no       no        no           no
  32 + *   MX28  FlexCAN2  03.00.04.00    yes       yes        no       no        no           no
  33 + *   MX35  FlexCAN2  03.00.00.00     no        no        no       no        no           no
  34 + *   MX53  FlexCAN2  03.00.00.00    yes        no        no       no        no           no
  35 + *   MX6s  FlexCAN3  10.00.12.00    yes       yes        no       no       yes           no
  36 + *  MX8QM  FlexCAN3  03.00.23.00    yes       yes        no       no       yes          yes
  37 + *   VF610 FlexCAN3  ?               no       yes        no      yes       yes?          no
  38 + * LS1021A FlexCAN2  03.00.04.00     no       yes        no       no       yes           no
  39   *
  40   * Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
  41   */
  42 @@ -347,6 +348,12 @@ static const struct flexcan_devtype_data
  43                 FLEXCAN_QUIRK_SETUP_STOP_MODE,
  44  };
  45
  46 +static struct flexcan_devtype_data fsl_imx8qm_devtype_data = {
  47 +       .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
  48 +               FLEXCAN_QUIRK_USE_OFF_TIMESTAMP | FLEXCAN_QUIRK_BROKEN_PERR_STATE |
  49 +               FLEXCAN_QUIRK_TIMESTAMP_SUPPORT_FD,
  50 +};
  51 +
  52  static const struct flexcan_devtype_data fsl_vf610_devtype_data = {
  53         .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
  54                 FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP |
  55 @@ -1763,6 +1770,7 @@ out_put_node:
  56  }
  57
  58  static const struct of_device_id flexcan_of_match[] = {
  59 +       { .compatible = "fsl,imx8qm-flexcan", .data = &fsl_imx8qm_devtype_data, },
  60         { .compatible = "fsl,imx6q-flexcan", .data = &fsl_imx6q_devtype_data, },
  61         { .compatible = "fsl,imx28-flexcan", .data = &fsl_imx28_devtype_data, },
  62         { .compatible = "fsl,imx53-flexcan", .data = &fsl_imx25_devtype_data, },