From: Fugang Duan <fugang.duan@xxxxxxx>
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@xxxxxxx>
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
drivers/net/ethernet/freescale/fec.h | 13 ++++++++++
drivers/net/ethernet/freescale/fec_main.c | 30 +++++++++++++++++++++++
2 files changed, 43 insertions(+)
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 */
@@ -161,6 +181,12 @@ 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);
--
2.17.1
