drivers/net/phy/mxl-gpy.c

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (C) 2021 Maxlinear Corporation
 * Copyright (C) 2020 Intel Corporation
 *
 * Drivers for Maxlinear Ethernet GPY
 *
 */

#include <linux/module.h>
#include <linux/bitfield.h>
#include <linux/phy.h>
#include <linux/netdevice.h>

/* PHY ID */
#define PHY_ID_GPYx15B_MASK	0xFFFFFFFC
#define PHY_ID_GPY21xB_MASK	0xFFFFFFF9
#define PHY_ID_GPY2xx		0x67C9DC00
#define PHY_ID_GPY115B		0x67C9DF00
#define PHY_ID_GPY115C		0x67C9DF10
#define PHY_ID_GPY211B		0x67C9DE08
#define PHY_ID_GPY211C		0x67C9DE10
#define PHY_ID_GPY212B		0x67C9DE09
#define PHY_ID_GPY212C		0x67C9DE20
#define PHY_ID_GPY215B		0x67C9DF04
#define PHY_ID_GPY215C		0x67C9DF20
#define PHY_ID_GPY241B		0x67C9DE40
#define PHY_ID_GPY241BM		0x67C9DE80
#define PHY_ID_GPY245B		0x67C9DEC0

#define PHY_MIISTAT		0x18	/* MII state */
#define PHY_IMASK		0x19	/* interrupt mask */
#define PHY_ISTAT		0x1A	/* interrupt status */
#define PHY_FWV			0x1E	/* firmware version */

#define PHY_MIISTAT_SPD_MASK	GENMASK(2, 0)
#define PHY_MIISTAT_DPX		BIT(3)
#define PHY_MIISTAT_LS		BIT(10)

#define PHY_MIISTAT_SPD_10	0
#define PHY_MIISTAT_SPD_100	1
#define PHY_MIISTAT_SPD_1000	2
#define PHY_MIISTAT_SPD_2500	4

#define PHY_IMASK_WOL		BIT(15)	/* Wake-on-LAN */
#define PHY_IMASK_ANC		BIT(10)	/* Auto-Neg complete */
#define PHY_IMASK_ADSC		BIT(5)	/* Link auto-downspeed detect */
#define PHY_IMASK_DXMC		BIT(2)	/* Duplex mode change */
#define PHY_IMASK_LSPC		BIT(1)	/* Link speed change */
#define PHY_IMASK_LSTC		BIT(0)	/* Link state change */
#define PHY_IMASK_MASK		(PHY_IMASK_LSTC | \
				 PHY_IMASK_LSPC | \
				 PHY_IMASK_DXMC | \
				 PHY_IMASK_ADSC | \
				 PHY_IMASK_ANC)

#define PHY_FWV_REL_MASK	BIT(15)
#define PHY_FWV_TYPE_MASK	GENMASK(11, 8)
#define PHY_FWV_MINOR_MASK	GENMASK(7, 0)

/* SGMII */
#define VSPEC1_SGMII_CTRL	0x08
#define VSPEC1_SGMII_CTRL_ANEN	BIT(12)		/* Aneg enable */
#define VSPEC1_SGMII_CTRL_ANRS	BIT(9)		/* Restart Aneg */
#define VSPEC1_SGMII_ANEN_ANRS	(VSPEC1_SGMII_CTRL_ANEN | \
				 VSPEC1_SGMII_CTRL_ANRS)

/* WoL */
#define VPSPEC2_WOL_CTL		0x0E06
#define VPSPEC2_WOL_AD01	0x0E08
#define VPSPEC2_WOL_AD23	0x0E09
#define VPSPEC2_WOL_AD45	0x0E0A
#define WOL_EN			BIT(0)

static const struct {
	int type;
	int minor;
} ver_need_sgmii_reaneg[] = {
	{7, 0x6D},
	{8, 0x6D},
	{9, 0x73},
};

static int gpy_config_init(struct phy_device *phydev)
{
	int ret;

	/* Mask all interrupts */
	ret = phy_write(phydev, PHY_IMASK, 0);
	if (ret)
		return ret;

	/* Clear all pending interrupts */
	ret = phy_read(phydev, PHY_ISTAT);
	return ret < 0 ? ret : 0;
}

static int gpy_probe(struct phy_device *phydev)
{
	int ret;

	if (!phydev->is_c45) {
		ret = phy_get_c45_ids(phydev);
		if (ret < 0)
			return ret;
	}

	/* Show GPY PHY FW version in dmesg */
	ret = phy_read(phydev, PHY_FWV);
	if (ret < 0)
		return ret;

	phydev_info(phydev, "Firmware Version: 0x%04X (%s)\n", ret,
		    (ret & PHY_FWV_REL_MASK) ? "release" : "test");

	return 0;
}

static bool gpy_sgmii_need_reaneg(struct phy_device *phydev)
{
	int fw_ver, fw_type, fw_minor;
	size_t i;

	fw_ver = phy_read(phydev, PHY_FWV);
	if (fw_ver < 0)
		return true;

	fw_type = FIELD_GET(PHY_FWV_TYPE_MASK, fw_ver);
	fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, fw_ver);

	for (i = 0; i < ARRAY_SIZE(ver_need_sgmii_reaneg); i++) {
		if (fw_type != ver_need_sgmii_reaneg[i].type)
			continue;
		if (fw_minor < ver_need_sgmii_reaneg[i].minor)
			return true;
		break;
	}

	return false;
}

static bool gpy_2500basex_chk(struct phy_device *phydev)
{
	int ret;

	ret = phy_read(phydev, PHY_MIISTAT);
	if (ret < 0) {
		phydev_err(phydev, "Error: MDIO register access failed: %d\n",
			   ret);
		return false;
	}

	if (!(ret & PHY_MIISTAT_LS) ||
	    FIELD_GET(PHY_MIISTAT_SPD_MASK, ret) != PHY_MIISTAT_SPD_2500)
		return false;

	phydev->speed = SPEED_2500;
	phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
	phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
		       VSPEC1_SGMII_CTRL_ANEN, 0);
	return true;
}

static bool gpy_sgmii_aneg_en(struct phy_device *phydev)
{
	int ret;

	ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL);
	if (ret < 0) {
		phydev_err(phydev, "Error: MMD register access failed: %d\n",
			   ret);
		return true;
	}

	return (ret & VSPEC1_SGMII_CTRL_ANEN) ? true : false;
}

static int gpy_config_aneg(struct phy_device *phydev)
{
	bool changed = false;
	u32 adv;
	int ret;

	if (phydev->autoneg == AUTONEG_DISABLE) {
		/* Configure half duplex with genphy_setup_forced,
		 * because genphy_c45_pma_setup_forced does not support.
		 */
		return phydev->duplex != DUPLEX_FULL
			? genphy_setup_forced(phydev)
			: genphy_c45_pma_setup_forced(phydev);
	}

	ret = genphy_c45_an_config_aneg(phydev);
	if (ret < 0)
		return ret;
	if (ret > 0)
		changed = true;

	adv = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);
	ret = phy_modify_changed(phydev, MII_CTRL1000,
				 ADVERTISE_1000FULL | ADVERTISE_1000HALF,
				 adv);
	if (ret < 0)
		return ret;
	if (ret > 0)
		changed = true;

	ret = genphy_c45_check_and_restart_aneg(phydev, changed);
	if (ret < 0)
		return ret;

	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||
	    phydev->interface == PHY_INTERFACE_MODE_INTERNAL)
		return 0;

	/* No need to trigger re-ANEG if link speed is 2.5G or SGMII ANEG is
	 * disabled.
	 */
	if (!gpy_sgmii_need_reaneg(phydev) || gpy_2500basex_chk(phydev) ||
	    !gpy_sgmii_aneg_en(phydev))
		return 0;

	/* There is a design constraint in GPY2xx device where SGMII AN is
	 * only triggered when there is change of speed. If, PHY link
	 * partner`s speed is still same even after PHY TPI is down and up
	 * again, SGMII AN is not triggered and hence no new in-band message
	 * from GPY to MAC side SGMII.
	 * This could cause an issue during power up, when PHY is up prior to
	 * MAC. At this condition, once MAC side SGMII is up, MAC side SGMII
	 * wouldn`t receive new in-band message from GPY with correct link
	 * status, speed and duplex info.
	 *
	 * 1) If PHY is already up and TPI link status is still down (such as
	 *    hard reboot), TPI link status is polled for 4 seconds before
	 *    retriggerring SGMII AN.
	 * 2) If PHY is already up and TPI link status is also up (such as soft
	 *    reboot), polling of TPI link status is not needed and SGMII AN is
	 *    immediately retriggered.
	 * 3) Other conditions such as PHY is down, speed change etc, skip
	 *    retriggering SGMII AN. Note: in case of speed change, GPY FW will
	 *    initiate SGMII AN.
	 */

	if (phydev->state != PHY_UP)
		return 0;

	ret = phy_read_poll_timeout(phydev, MII_BMSR, ret, ret & BMSR_LSTATUS,
				    20000, 4000000, false);
	if (ret == -ETIMEDOUT)
		return 0;
	else if (ret < 0)
		return ret;

	/* Trigger SGMII AN. */
	return phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
			      VSPEC1_SGMII_CTRL_ANRS, VSPEC1_SGMII_CTRL_ANRS);
}

static void gpy_update_interface(struct phy_device *phydev)
{
	int ret;

	/* Interface mode is fixed for USXGMII and integrated PHY */
	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||
	    phydev->interface == PHY_INTERFACE_MODE_INTERNAL)
		return;

	/* Automatically switch SERDES interface between SGMII and 2500-BaseX
	 * according to speed. Disable ANEG in 2500-BaseX mode.
	 */
	switch (phydev->speed) {
	case SPEED_2500:
		phydev->interface = PHY_INTERFACE_MODE_2500BASEX;
		ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
				     VSPEC1_SGMII_CTRL_ANEN, 0);
		if (ret < 0)
			phydev_err(phydev,
				   "Error: Disable of SGMII ANEG failed: %d\n",
				   ret);
		break;
	case SPEED_1000:
	case SPEED_100:
	case SPEED_10:
		phydev->interface = PHY_INTERFACE_MODE_SGMII;
		if (gpy_sgmii_aneg_en(phydev))
			break;
		/* Enable and restart SGMII ANEG for 10/100/1000Mbps link speed
		 * if ANEG is disabled (in 2500-BaseX mode).
		 */
		ret = phy_modify_mmd(phydev, MDIO_MMD_VEND1, VSPEC1_SGMII_CTRL,
				     VSPEC1_SGMII_ANEN_ANRS,
				     VSPEC1_SGMII_ANEN_ANRS);
		if (ret < 0)
			phydev_err(phydev,
				   "Error: Enable of SGMII ANEG failed: %d\n",
				   ret);
		break;
	}
}

static int gpy_read_status(struct phy_device *phydev)
{
	int ret;

	ret = genphy_update_link(phydev);
	if (ret)
		return ret;

	phydev->speed = SPEED_UNKNOWN;
	phydev->duplex = DUPLEX_UNKNOWN;
	phydev->pause = 0;
	phydev->asym_pause = 0;

	if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) {
		ret = genphy_c45_read_lpa(phydev);
		if (ret < 0)
			return ret;

		/* Read the link partner's 1G advertisement */
		ret = phy_read(phydev, MII_STAT1000);
		if (ret < 0)
			return ret;
		mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, ret);
	} else if (phydev->autoneg == AUTONEG_DISABLE) {
		linkmode_zero(phydev->lp_advertising);
	}

	ret = phy_read(phydev, PHY_MIISTAT);
	if (ret < 0)
		return ret;

	phydev->link = (ret & PHY_MIISTAT_LS) ? 1 : 0;
	phydev->duplex = (ret & PHY_MIISTAT_DPX) ? DUPLEX_FULL : DUPLEX_HALF;
	switch (FIELD_GET(PHY_MIISTAT_SPD_MASK, ret)) {
	case PHY_MIISTAT_SPD_10:
		phydev->speed = SPEED_10;
		break;
	case PHY_MIISTAT_SPD_100:
		phydev->speed = SPEED_100;
		break;
	case PHY_MIISTAT_SPD_1000:
		phydev->speed = SPEED_1000;
		break;
	case PHY_MIISTAT_SPD_2500:
		phydev->speed = SPEED_2500;
		break;
	}

	if (phydev->link)
		gpy_update_interface(phydev);

	return 0;
}

static int gpy_config_intr(struct phy_device *phydev)
{
	u16 mask = 0;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		mask = PHY_IMASK_MASK;

	return phy_write(phydev, PHY_IMASK, mask);
}

static irqreturn_t gpy_handle_interrupt(struct phy_device *phydev)
{
	int reg;

	reg = phy_read(phydev, PHY_ISTAT);
	if (reg < 0) {
		phy_error(phydev);
		return IRQ_NONE;
	}

	if (!(reg & PHY_IMASK_MASK))
		return IRQ_NONE;

	phy_trigger_machine(phydev);

	return IRQ_HANDLED;
}

static int gpy_set_wol(struct phy_device *phydev,
		       struct ethtool_wolinfo *wol)
{
	struct net_device *attach_dev = phydev->attached_dev;
	int ret;

	if (wol->wolopts & WAKE_MAGIC) {
		/* MAC address - Byte0:Byte1:Byte2:Byte3:Byte4:Byte5
		 * VPSPEC2_WOL_AD45 = Byte0:Byte1
		 * VPSPEC2_WOL_AD23 = Byte2:Byte3
		 * VPSPEC2_WOL_AD01 = Byte4:Byte5
		 */
		ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
				       VPSPEC2_WOL_AD45,
				       ((attach_dev->dev_addr[0] << 8) |
				       attach_dev->dev_addr[1]));
		if (ret < 0)
			return ret;

		ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
				       VPSPEC2_WOL_AD23,
				       ((attach_dev->dev_addr[2] << 8) |
				       attach_dev->dev_addr[3]));
		if (ret < 0)
			return ret;

		ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
				       VPSPEC2_WOL_AD01,
				       ((attach_dev->dev_addr[4] << 8) |
				       attach_dev->dev_addr[5]));
		if (ret < 0)
			return ret;

		/* Enable the WOL interrupt */
		ret = phy_write(phydev, PHY_IMASK, PHY_IMASK_WOL);
		if (ret < 0)
			return ret;

		/* Enable magic packet matching */
		ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2,
				       VPSPEC2_WOL_CTL,
				       WOL_EN);
		if (ret < 0)
			return ret;

		/* Clear the interrupt status register.
		 * Only WoL is enabled so clear all.
		 */
		ret = phy_read(phydev, PHY_ISTAT);
		if (ret < 0)
			return ret;
	} else {
		/* Disable magic packet matching */
		ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
					 VPSPEC2_WOL_CTL,
					 WOL_EN);
		if (ret < 0)
			return ret;
	}

	if (wol->wolopts & WAKE_PHY) {
		/* Enable the link state change interrupt */
		ret = phy_set_bits(phydev, PHY_IMASK, PHY_IMASK_LSTC);
		if (ret < 0)
			return ret;

		/* Clear the interrupt status register */
		ret = phy_read(phydev, PHY_ISTAT);
		if (ret < 0)
			return ret;

		if (ret & (PHY_IMASK_MASK & ~PHY_IMASK_LSTC))
			phy_trigger_machine(phydev);

		return 0;
	}

	/* Disable the link state change interrupt */
	return phy_clear_bits(phydev, PHY_IMASK, PHY_IMASK_LSTC);
}

static void gpy_get_wol(struct phy_device *phydev,
			struct ethtool_wolinfo *wol)
{
	int ret;

	wol->supported = WAKE_MAGIC | WAKE_PHY;
	wol->wolopts = 0;

	ret = phy_read_mmd(phydev, MDIO_MMD_VEND2, VPSPEC2_WOL_CTL);
	if (ret & WOL_EN)
		wol->wolopts |= WAKE_MAGIC;

	ret = phy_read(phydev, PHY_IMASK);
	if (ret & PHY_IMASK_LSTC)
		wol->wolopts |= WAKE_PHY;
}

static int gpy_loopback(struct phy_device *phydev, bool enable)
{
	int ret;

	ret = phy_modify(phydev, MII_BMCR, BMCR_LOOPBACK,
			 enable ? BMCR_LOOPBACK : 0);
	if (!ret) {
		/* It takes some time for PHY device to switch
		 * into/out-of loopback mode.
		 */
		msleep(100);
	}

	return ret;
}

static int gpy115_loopback(struct phy_device *phydev, bool enable)
{
	int ret;
	int fw_minor;

	if (enable)
		return gpy_loopback(phydev, enable);

	ret = phy_read(phydev, PHY_FWV);
	if (ret < 0)
		return ret;

	fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, ret);
	if (fw_minor > 0x0076)
		return gpy_loopback(phydev, 0);

	return genphy_soft_reset(phydev);
}

static struct phy_driver gpy_drivers[] = {
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx),
		.name		= "Maxlinear Ethernet GPY2xx",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		.phy_id		= PHY_ID_GPY115B,
		.phy_id_mask	= PHY_ID_GPYx15B_MASK,
		.name		= "Maxlinear Ethernet GPY115B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy115_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY115C),
		.name		= "Maxlinear Ethernet GPY115C",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy115_loopback,
	},
	{
		.phy_id		= PHY_ID_GPY211B,
		.phy_id_mask	= PHY_ID_GPY21xB_MASK,
		.name		= "Maxlinear Ethernet GPY211B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY211C),
		.name		= "Maxlinear Ethernet GPY211C",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		.phy_id		= PHY_ID_GPY212B,
		.phy_id_mask	= PHY_ID_GPY21xB_MASK,
		.name		= "Maxlinear Ethernet GPY212B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY212C),
		.name		= "Maxlinear Ethernet GPY212C",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		.phy_id		= PHY_ID_GPY215B,
		.phy_id_mask	= PHY_ID_GPYx15B_MASK,
		.name		= "Maxlinear Ethernet GPY215B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY215C),
		.name		= "Maxlinear Ethernet GPY215C",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY241B),
		.name		= "Maxlinear Ethernet GPY241B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY241BM),
		.name		= "Maxlinear Ethernet GPY241BM",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_GPY245B),
		.name		= "Maxlinear Ethernet GPY245B",
		.get_features	= genphy_c45_pma_read_abilities,
		.config_init	= gpy_config_init,
		.probe		= gpy_probe,
		.suspend	= genphy_suspend,
		.resume		= genphy_resume,
		.config_aneg	= gpy_config_aneg,
		.aneg_done	= genphy_c45_aneg_done,
		.read_status	= gpy_read_status,
		.config_intr	= gpy_config_intr,
		.handle_interrupt = gpy_handle_interrupt,
		.set_wol	= gpy_set_wol,
		.get_wol	= gpy_get_wol,
		.set_loopback	= gpy_loopback,
	},
};
module_phy_driver(gpy_drivers);

static struct mdio_device_id __maybe_unused gpy_tbl[] = {
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx)},
	{PHY_ID_GPY115B, PHY_ID_GPYx15B_MASK},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY115C)},
	{PHY_ID_GPY211B, PHY_ID_GPY21xB_MASK},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY211C)},
	{PHY_ID_GPY212B, PHY_ID_GPY21xB_MASK},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY212C)},
	{PHY_ID_GPY215B, PHY_ID_GPYx15B_MASK},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY215C)},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY241B)},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY241BM)},
	{PHY_ID_MATCH_MODEL(PHY_ID_GPY245B)},
	{ }
};
MODULE_DEVICE_TABLE(mdio, gpy_tbl);

MODULE_DESCRIPTION("Maxlinear Ethernet GPY Driver");
MODULE_AUTHOR("Xu Liang");
MODULE_LICENSE("GPL");