drivers/net/phy/icplus.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Driver for ICPlus PHYs
  *
  * Copyright (c) 2007 Freescale Semiconductor, Inc.
  */
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/unistd.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/spinlock.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/phy.h>
 #include <linux/property.h>

 #include <asm/io.h>
 #include <asm/irq.h>
 #include <linux/uaccess.h>

 MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IP101G/IC1001 PHY drivers");
 MODULE_AUTHOR("Michael Barkowski");
 MODULE_LICENSE("GPL");

 /* IP101A/G - IP1001 */
 #define IP10XX_SPEC_CTRL_STATUS		16	/* Spec. Control Register */
 #define IP1001_RXPHASE_SEL		BIT(0)	/* Add delay on RX_CLK */
 #define IP1001_TXPHASE_SEL		BIT(1)	/* Add delay on TX_CLK */
 #define IP1001_SPEC_CTRL_STATUS_2	20	/* IP1001 Spec. Control Reg 2 */
 #define IP1001_APS_ON			11	/* IP1001 APS Mode  bit */
 #define IP101A_G_APS_ON			BIT(1)	/* IP101A/G APS Mode bit */
 #define IP101A_G_IRQ_CONF_STATUS	0x11	/* Conf Info IRQ & Status Reg */
 #define	IP101A_G_IRQ_PIN_USED		BIT(15) /* INTR pin used */
 #define IP101A_G_IRQ_ALL_MASK		BIT(11) /* IRQ's inactive */
 #define IP101A_G_IRQ_SPEED_CHANGE	BIT(2)
 #define IP101A_G_IRQ_DUPLEX_CHANGE	BIT(1)
 #define IP101A_G_IRQ_LINK_CHANGE	BIT(0)

 #define IP101G_DIGITAL_IO_SPEC_CTRL			0x1d
 #define IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32		BIT(2)

 /* The 32-pin IP101GR package can re-configure the mode of the RXER/INTR_32 pin
  * (pin number 21). The hardware default is RXER (receive error) mode. But it
  * can be configured to interrupt mode manually.
  */
 enum ip101gr_sel_intr32 {
 	IP101GR_SEL_INTR32_KEEP,
 	IP101GR_SEL_INTR32_INTR,
 	IP101GR_SEL_INTR32_RXER,
 };

 struct ip101a_g_phy_priv {
 	enum ip101gr_sel_intr32 sel_intr32;
 };

 static int ip175c_config_init(struct phy_device *phydev)
 {
 	int err, i;
 	static int full_reset_performed;

 	if (full_reset_performed == 0) {

 		/* master reset */
 		err = mdiobus_write(phydev->mdio.bus, 30, 0, 0x175c);
 		if (err < 0)
 			return err;

 		/* ensure no bus delays overlap reset period */
 		err = mdiobus_read(phydev->mdio.bus, 30, 0);

 		/* data sheet specifies reset period is 2 msec */
 		mdelay(2);

 		/* enable IP175C mode */
 		err = mdiobus_write(phydev->mdio.bus, 29, 31, 0x175c);
 		if (err < 0)
 			return err;

 		/* Set MII0 speed and duplex (in PHY mode) */
 		err = mdiobus_write(phydev->mdio.bus, 29, 22, 0x420);
 		if (err < 0)
 			return err;

 		/* reset switch ports */
 		for (i = 0; i < 5; i++) {
 			err = mdiobus_write(phydev->mdio.bus, i,
 					    MII_BMCR, BMCR_RESET);
 			if (err < 0)
 				return err;
 		}

 		for (i = 0; i < 5; i++)
 			err = mdiobus_read(phydev->mdio.bus, i, MII_BMCR);

 		mdelay(2);

 		full_reset_performed = 1;
 	}

 	if (phydev->mdio.addr != 4) {
 		phydev->state = PHY_RUNNING;
 		phydev->speed = SPEED_100;
 		phydev->duplex = DUPLEX_FULL;
 		phydev->link = 1;
 		netif_carrier_on(phydev->attached_dev);
 	}

 	return 0;
 }

 static int ip1xx_reset(struct phy_device *phydev)
 {
 	int bmcr;

 	/* Software Reset PHY */
 	bmcr = phy_read(phydev, MII_BMCR);
 	if (bmcr < 0)
 		return bmcr;
 	bmcr |= BMCR_RESET;
 	bmcr = phy_write(phydev, MII_BMCR, bmcr);
 	if (bmcr < 0)
 		return bmcr;

 	do {
 		bmcr = phy_read(phydev, MII_BMCR);
 		if (bmcr < 0)
 			return bmcr;
 	} while (bmcr & BMCR_RESET);

 	return 0;
 }

 static int ip1001_config_init(struct phy_device *phydev)
 {
 	int c;

 	c = ip1xx_reset(phydev);
 	if (c < 0)
 		return c;

 	/* Enable Auto Power Saving mode */
 	c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2);
 	if (c < 0)
 		return c;
 	c |= IP1001_APS_ON;
 	c = phy_write(phydev, IP1001_SPEC_CTRL_STATUS_2, c);
 	if (c < 0)
 		return c;

 	if (phy_interface_is_rgmii(phydev)) {

 		c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
 		if (c < 0)
 			return c;

 		c &= ~(IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);

 		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 			c |= (IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
 		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
 			c |= IP1001_RXPHASE_SEL;
 		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
 			c |= IP1001_TXPHASE_SEL;

 		c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
 		if (c < 0)
 			return c;
 	}

 	return 0;
 }

 static int ip175c_read_status(struct phy_device *phydev)
 {
 	if (phydev->mdio.addr == 4) /* WAN port */
 		genphy_read_status(phydev);
 	else
 		/* Don't need to read status for switch ports */
 		phydev->irq = PHY_IGNORE_INTERRUPT;

 	return 0;
 }

 static int ip175c_config_aneg(struct phy_device *phydev)
 {
 	if (phydev->mdio.addr == 4) /* WAN port */
 		genphy_config_aneg(phydev);

 	return 0;
 }

 static int ip101a_g_probe(struct phy_device *phydev)
 {
 	struct device *dev = &phydev->mdio.dev;
 	struct ip101a_g_phy_priv *priv;

 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;

 	/* Both functions (RX error and interrupt status) are sharing the same
 	 * pin on the 32-pin IP101GR, so this is an exclusive choice.
 	 */
 	if (device_property_read_bool(dev, "icplus,select-rx-error") &&
 	    device_property_read_bool(dev, "icplus,select-interrupt")) {
 		dev_err(dev,
 			"RXER and INTR mode cannot be selected together\n");
 		return -EINVAL;
 	}

 	if (device_property_read_bool(dev, "icplus,select-rx-error"))
 		priv->sel_intr32 = IP101GR_SEL_INTR32_RXER;
 	else if (device_property_read_bool(dev, "icplus,select-interrupt"))
 		priv->sel_intr32 = IP101GR_SEL_INTR32_INTR;
 	else
 		priv->sel_intr32 = IP101GR_SEL_INTR32_KEEP;

 	phydev->priv = priv;

 	return 0;
 }

 static int ip101a_g_config_init(struct phy_device *phydev)
 {
 	struct ip101a_g_phy_priv *priv = phydev->priv;
 	int err, c;

 	c = ip1xx_reset(phydev);
 	if (c < 0)
 		return c;

 	/* configure the RXER/INTR_32 pin of the 32-pin IP101GR if needed: */
 	switch (priv->sel_intr32) {
 	case IP101GR_SEL_INTR32_RXER:
 		err = phy_modify(phydev, IP101G_DIGITAL_IO_SPEC_CTRL,
 				 IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32, 0);
 		if (err < 0)
 			return err;
 		break;

 	case IP101GR_SEL_INTR32_INTR:
 		err = phy_modify(phydev, IP101G_DIGITAL_IO_SPEC_CTRL,
 				 IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32,
 				 IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32);
 		if (err < 0)
 			return err;
 		break;

 	default:
 		/* Don't touch IP101G_DIGITAL_IO_SPEC_CTRL because it's not
 		 * documented on IP101A and it's not clear whether this would
 		 * cause problems.
 		 * For the 32-pin IP101GR we simply keep the SEL_INTR32
 		 * configuration as set by the bootloader when not configured
 		 * to one of the special functions.
 		 */
 		break;
 	}

 	/* Enable Auto Power Saving mode */
 	c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
 	c |= IP101A_G_APS_ON;

 	return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
 }

 static int ip101a_g_config_intr(struct phy_device *phydev)
 {
 	u16 val;

 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 		/* INTR pin used: Speed/link/duplex will cause an interrupt */
 		val = IP101A_G_IRQ_PIN_USED;
 	else
 		val = IP101A_G_IRQ_ALL_MASK;

 	return phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, val);
 }

 static int ip101a_g_did_interrupt(struct phy_device *phydev)
 {
 	int val = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);

 	if (val < 0)
 		return 0;

 	return val & (IP101A_G_IRQ_SPEED_CHANGE |
 		      IP101A_G_IRQ_DUPLEX_CHANGE |
 		      IP101A_G_IRQ_LINK_CHANGE);
 }

 static int ip101a_g_ack_interrupt(struct phy_device *phydev)
 {
 	int err = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
 	if (err < 0)
 		return err;

 	return 0;
 }

 static struct phy_driver icplus_driver[] = {
 {
 	.phy_id		= 0x02430d80,
 	.name		= "ICPlus IP175C",
 	.phy_id_mask	= 0x0ffffff0,
 	/* PHY_BASIC_FEATURES */
 	.config_init	= &ip175c_config_init,
 	.config_aneg	= &ip175c_config_aneg,
 	.read_status	= &ip175c_read_status,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
 }, {
 	.phy_id		= 0x02430d90,
 	.name		= "ICPlus IP1001",
 	.phy_id_mask	= 0x0ffffff0,
 	/* PHY_GBIT_FEATURES */
 	.config_init	= &ip1001_config_init,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
 }, {
 	.phy_id		= 0x02430c54,
 	.name		= "ICPlus IP101A/G",
 	.phy_id_mask	= 0x0ffffff0,
 	/* PHY_BASIC_FEATURES */
 	.probe		= ip101a_g_probe,
 	.config_intr	= ip101a_g_config_intr,
 	.did_interrupt	= ip101a_g_did_interrupt,
 	.ack_interrupt	= ip101a_g_ack_interrupt,
 	.config_init	= &ip101a_g_config_init,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
 } };

 module_phy_driver(icplus_driver);

 static struct mdio_device_id __maybe_unused icplus_tbl[] = {
 	{ 0x02430d80, 0x0ffffff0 },
 	{ 0x02430d90, 0x0ffffff0 },
 	{ 0x02430c54, 0x0ffffff0 },
 	{ }
 };

 MODULE_DEVICE_TABLE(mdio, icplus_tbl);
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Driver for ICPlus PHYs
	*
	* Copyright (c) 2007 Freescale Semiconductor, Inc.
	*/
	#include <linux/kernel.h>
	#include <linux/string.h>
	#include <linux/errno.h>
	#include <linux/unistd.h>
	#include <linux/interrupt.h>
	#include <linux/init.h>
	#include <linux/delay.h>
	#include <linux/netdevice.h>
	#include <linux/etherdevice.h>
	#include <linux/skbuff.h>
	#include <linux/spinlock.h>
	#include <linux/mm.h>
	#include <linux/module.h>
	#include <linux/mii.h>
	#include <linux/ethtool.h>
	#include <linux/phy.h>
	#include <linux/property.h>

	#include <asm/io.h>
	#include <asm/irq.h>
	#include <linux/uaccess.h>

	MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IP101G/IC1001 PHY drivers");
	MODULE_AUTHOR("Michael Barkowski");
	MODULE_LICENSE("GPL");

	/* IP101A/G - IP1001 */
	#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */
	#define IP1001_RXPHASE_SEL BIT(0) /* Add delay on RX_CLK */
	#define IP1001_TXPHASE_SEL BIT(1) /* Add delay on TX_CLK */
	#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */
	#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
	#define IP101A_G_APS_ON BIT(1) /* IP101A/G APS Mode bit */
	#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
	#define IP101A_G_IRQ_PIN_USED BIT(15) /* INTR pin used */
	#define IP101A_G_IRQ_ALL_MASK BIT(11) /* IRQ's inactive */
	#define IP101A_G_IRQ_SPEED_CHANGE BIT(2)
	#define IP101A_G_IRQ_DUPLEX_CHANGE BIT(1)
	#define IP101A_G_IRQ_LINK_CHANGE BIT(0)

	#define IP101G_DIGITAL_IO_SPEC_CTRL 0x1d
	#define IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32 BIT(2)

	/* The 32-pin IP101GR package can re-configure the mode of the RXER/INTR_32 pin
	* (pin number 21). The hardware default is RXER (receive error) mode. But it
	* can be configured to interrupt mode manually.
	*/
	enum ip101gr_sel_intr32 {
	IP101GR_SEL_INTR32_KEEP,
	IP101GR_SEL_INTR32_INTR,
	IP101GR_SEL_INTR32_RXER,
	};

	struct ip101a_g_phy_priv {
	enum ip101gr_sel_intr32 sel_intr32;
	};

	static int ip175c_config_init(struct phy_device *phydev)
	{
	int err, i;
	static int full_reset_performed;

	if (full_reset_performed == 0) {

	/* master reset */
	err = mdiobus_write(phydev->mdio.bus, 30, 0, 0x175c);
	if (err < 0)
	return err;

	/* ensure no bus delays overlap reset period */
	err = mdiobus_read(phydev->mdio.bus, 30, 0);

	/* data sheet specifies reset period is 2 msec */
	mdelay(2);

	/* enable IP175C mode */
	err = mdiobus_write(phydev->mdio.bus, 29, 31, 0x175c);
	if (err < 0)
	return err;

	/* Set MII0 speed and duplex (in PHY mode) */
	err = mdiobus_write(phydev->mdio.bus, 29, 22, 0x420);
	if (err < 0)
	return err;

	/* reset switch ports */
	for (i = 0; i < 5; i++) {
	err = mdiobus_write(phydev->mdio.bus, i,
	MII_BMCR, BMCR_RESET);
	if (err < 0)
	return err;
	}

	for (i = 0; i < 5; i++)
	err = mdiobus_read(phydev->mdio.bus, i, MII_BMCR);

	mdelay(2);

	full_reset_performed = 1;
	}

	if (phydev->mdio.addr != 4) {
	phydev->state = PHY_RUNNING;
	phydev->speed = SPEED_100;
	phydev->duplex = DUPLEX_FULL;
	phydev->link = 1;
	netif_carrier_on(phydev->attached_dev);
	}

	return 0;
	}

	static int ip1xx_reset(struct phy_device *phydev)
	{
	int bmcr;

	/* Software Reset PHY */
	bmcr = phy_read(phydev, MII_BMCR);
	if (bmcr < 0)
	return bmcr;
	bmcr \|= BMCR_RESET;
	bmcr = phy_write(phydev, MII_BMCR, bmcr);
	if (bmcr < 0)
	return bmcr;

	do {
	bmcr = phy_read(phydev, MII_BMCR);
	if (bmcr < 0)
	return bmcr;
	} while (bmcr & BMCR_RESET);

	return 0;
	}

	static int ip1001_config_init(struct phy_device *phydev)
	{
	int c;

	c = ip1xx_reset(phydev);
	if (c < 0)
	return c;

	/* Enable Auto Power Saving mode */
	c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2);
	if (c < 0)
	return c;
	c \|= IP1001_APS_ON;
	c = phy_write(phydev, IP1001_SPEC_CTRL_STATUS_2, c);
	if (c < 0)
	return c;

	if (phy_interface_is_rgmii(phydev)) {

	c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
	if (c < 0)
	return c;

	c &= ~(IP1001_RXPHASE_SEL \| IP1001_TXPHASE_SEL);

	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
	c \|= (IP1001_RXPHASE_SEL \| IP1001_TXPHASE_SEL);
	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
	c \|= IP1001_RXPHASE_SEL;
	else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
	c \|= IP1001_TXPHASE_SEL;

	c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
	if (c < 0)
	return c;
	}

	return 0;
	}

	static int ip175c_read_status(struct phy_device *phydev)
	{
	if (phydev->mdio.addr == 4) /* WAN port */
	genphy_read_status(phydev);
	else
	/* Don't need to read status for switch ports */
	phydev->irq = PHY_IGNORE_INTERRUPT;

	return 0;
	}

	static int ip175c_config_aneg(struct phy_device *phydev)
	{
	if (phydev->mdio.addr == 4) /* WAN port */
	genphy_config_aneg(phydev);

	return 0;
	}

	static int ip101a_g_probe(struct phy_device *phydev)
	{
	struct device *dev = &phydev->mdio.dev;
	struct ip101a_g_phy_priv *priv;

	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
	return -ENOMEM;

	/* Both functions (RX error and interrupt status) are sharing the same
	* pin on the 32-pin IP101GR, so this is an exclusive choice.
	*/
	if (device_property_read_bool(dev, "icplus,select-rx-error") &&
	device_property_read_bool(dev, "icplus,select-interrupt")) {
	dev_err(dev,
	"RXER and INTR mode cannot be selected together\n");
	return -EINVAL;
	}

	if (device_property_read_bool(dev, "icplus,select-rx-error"))
	priv->sel_intr32 = IP101GR_SEL_INTR32_RXER;
	else if (device_property_read_bool(dev, "icplus,select-interrupt"))
	priv->sel_intr32 = IP101GR_SEL_INTR32_INTR;
	else
	priv->sel_intr32 = IP101GR_SEL_INTR32_KEEP;

	phydev->priv = priv;

	return 0;
	}

	static int ip101a_g_config_init(struct phy_device *phydev)
	{
	struct ip101a_g_phy_priv *priv = phydev->priv;
	int err, c;

	c = ip1xx_reset(phydev);
	if (c < 0)
	return c;

	/* configure the RXER/INTR_32 pin of the 32-pin IP101GR if needed: */
	switch (priv->sel_intr32) {
	case IP101GR_SEL_INTR32_RXER:
	err = phy_modify(phydev, IP101G_DIGITAL_IO_SPEC_CTRL,
	IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32, 0);
	if (err < 0)
	return err;
	break;

	case IP101GR_SEL_INTR32_INTR:
	err = phy_modify(phydev, IP101G_DIGITAL_IO_SPEC_CTRL,
	IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32,
	IP101G_DIGITAL_IO_SPEC_CTRL_SEL_INTR32);
	if (err < 0)
	return err;
	break;

	default:
	/* Don't touch IP101G_DIGITAL_IO_SPEC_CTRL because it's not
	* documented on IP101A and it's not clear whether this would
	* cause problems.
	* For the 32-pin IP101GR we simply keep the SEL_INTR32
	* configuration as set by the bootloader when not configured
	* to one of the special functions.
	*/
	break;
	}

	/* Enable Auto Power Saving mode */
	c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
	c \|= IP101A_G_APS_ON;

	return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
	}

	static int ip101a_g_config_intr(struct phy_device *phydev)
	{
	u16 val;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
	/* INTR pin used: Speed/link/duplex will cause an interrupt */
	val = IP101A_G_IRQ_PIN_USED;
	else
	val = IP101A_G_IRQ_ALL_MASK;

	return phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, val);
	}

	static int ip101a_g_did_interrupt(struct phy_device *phydev)
	{
	int val = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);

	if (val < 0)
	return 0;

	return val & (IP101A_G_IRQ_SPEED_CHANGE \|
	IP101A_G_IRQ_DUPLEX_CHANGE \|
	IP101A_G_IRQ_LINK_CHANGE);
	}

	static int ip101a_g_ack_interrupt(struct phy_device *phydev)
	{
	int err = phy_read(phydev, IP101A_G_IRQ_CONF_STATUS);
	if (err < 0)
	return err;

	return 0;
	}

	static struct phy_driver icplus_driver[] = {
	{
	.phy_id = 0x02430d80,
	.name = "ICPlus IP175C",
	.phy_id_mask = 0x0ffffff0,
	/* PHY_BASIC_FEATURES */
	.config_init = &ip175c_config_init,
	.config_aneg = &ip175c_config_aneg,
	.read_status = &ip175c_read_status,
	.suspend = genphy_suspend,
	.resume = genphy_resume,
	}, {
	.phy_id = 0x02430d90,
	.name = "ICPlus IP1001",
	.phy_id_mask = 0x0ffffff0,
	/* PHY_GBIT_FEATURES */
	.config_init = &ip1001_config_init,
	.suspend = genphy_suspend,
	.resume = genphy_resume,
	}, {
	.phy_id = 0x02430c54,
	.name = "ICPlus IP101A/G",
	.phy_id_mask = 0x0ffffff0,
	/* PHY_BASIC_FEATURES */
	.probe = ip101a_g_probe,
	.config_intr = ip101a_g_config_intr,
	.did_interrupt = ip101a_g_did_interrupt,
	.ack_interrupt = ip101a_g_ack_interrupt,
	.config_init = &ip101a_g_config_init,
	.suspend = genphy_suspend,
	.resume = genphy_resume,
	} };

	module_phy_driver(icplus_driver);

	static struct mdio_device_id __maybe_unused icplus_tbl[] = {
	{ 0x02430d80, 0x0ffffff0 },
	{ 0x02430d90, 0x0ffffff0 },
	{ 0x02430c54, 0x0ffffff0 },
	{ }
	};

	MODULE_DEVICE_TABLE(mdio, icplus_tbl);