diff options
author | Fugang Duan <fugang.duan@nxp.com> | 2021-07-28 14:51:59 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-07-28 15:38:53 +0300 |
commit | 947240ebcc635ab063f17ba027352c3a474d2438 (patch) | |
tree | 45c187e91ff7a39589a6cf77d8cc71d1544b04e3 /drivers | |
parent | df11b8073e19bd0eedae630dae82f38eb374b80d (diff) | |
download | linux-947240ebcc635ab063f17ba027352c3a474d2438.tar.xz |
net: fec: add imx8mq and imx8qm new versions support
The ENET of imx8mq and imx8qm are basically the same as imx6sx,
but they have new features support based on imx6sx, like:
- imx8mq: supports IEEE 802.3az EEE standard.
- imx8qm: supports RGMII mode delayed clock.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 13 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 30 |
2 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 2e002e4b4b4a..c1f93aa79d63 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -472,6 +472,19 @@ struct bufdesc_ex { */ #define FEC_QUIRK_HAS_MULTI_QUEUES (1 << 19) +/* i.MX8MQ ENET IP version add new feature to support IEEE 802.3az EEE + * standard. For the transmission, MAC supply two user registers to set + * Sleep (TS) and Wake (TW) time. + */ +#define FEC_QUIRK_HAS_EEE (1 << 20) + +/* i.MX8QM ENET IP version add new feture to generate delayed TXC/RXC + * as an alternative option to make sure it works well with various PHYs. + * For the implementation of delayed clock, ENET takes synchronized 250MHz + * clocks to generate 2ns delay. + */ +#define FEC_QUIRK_DELAYED_CLKS_SUPPORT (1 << 21) + struct bufdesc_prop { int qid; /* Address of Rx and Tx buffers */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index e361be85f26f..d9ba9d6f7af7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -135,6 +135,26 @@ static const struct fec_devinfo fec_imx6ul_info = { FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII, }; +static const struct fec_devinfo fec_imx8mq_info = { + .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | + FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | + FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB | + FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE | + FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE | + FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES | + FEC_QUIRK_HAS_EEE, +}; + +static const struct fec_devinfo fec_imx8qm_info = { + .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | + FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | + FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB | + FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE | + FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE | + FEC_QUIRK_CLEAR_SETUP_MII | FEC_QUIRK_HAS_MULTI_QUEUES | + FEC_QUIRK_DELAYED_CLKS_SUPPORT, +}; + static struct platform_device_id fec_devtype[] = { { /* keep it for coldfire */ @@ -162,6 +182,12 @@ static struct platform_device_id fec_devtype[] = { .name = "imx6ul-fec", .driver_data = (kernel_ulong_t)&fec_imx6ul_info, }, { + .name = "imx8mq-fec", + .driver_data = (kernel_ulong_t)&fec_imx8mq_info, + }, { + .name = "imx8qm-fec", + .driver_data = (kernel_ulong_t)&fec_imx8qm_info, + }, { /* sentinel */ } }; @@ -175,6 +201,8 @@ enum imx_fec_type { MVF600_FEC, IMX6SX_FEC, IMX6UL_FEC, + IMX8MQ_FEC, + IMX8QM_FEC, }; static const struct of_device_id fec_dt_ids[] = { @@ -185,6 +213,8 @@ static const struct of_device_id fec_dt_ids[] = { { .compatible = "fsl,mvf600-fec", .data = &fec_devtype[MVF600_FEC], }, { .compatible = "fsl,imx6sx-fec", .data = &fec_devtype[IMX6SX_FEC], }, { .compatible = "fsl,imx6ul-fec", .data = &fec_devtype[IMX6UL_FEC], }, + { .compatible = "fsl,imx8mq-fec", .data = &fec_devtype[IMX8MQ_FEC], }, + { .compatible = "fsl,imx8qm-fec", .data = &fec_devtype[IMX8QM_FEC], }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, fec_dt_ids); |