Commit 947240eb authored by Fugang Duan's avatar Fugang Duan Committed by David S. Miller
Browse files

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: default avatarFugang Duan <fugang.duan@nxp.com>
Signed-off-by: default avatarJoakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent df11b807

drivers/net/ethernet/freescale/fec.h

+13 −0
Original line number Diff line number Diff line
@@ -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 */

drivers/net/ethernet/freescale/fec_main.c

+30 −0
Original line number Diff line number Diff line
@@ -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);