--- zzzz-none-000/linux-3.10.107/drivers/net/phy/realtek.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/phy/realtek.c	2021-02-04 17:41:59.000000000 +0000
@@ -22,8 +22,12 @@
 #define RTL821x_INER		0x12
 #define RTL821x_INER_INIT	0x6400
 #define RTL821x_INSR		0x13
+#define RTL8211E_INER_LINK_STATUS 0x400
 
-#define	RTL8211E_INER_LINK_STAT	0x10
+#define RTL8211F_INER_LINK_STATUS 0x0010
+#define RTL8211F_INSR		0x1d
+#define RTL8211F_PAGE_SELECT	0x1f
+#define RTL8211F_TX_DELAY	0x100
 
 MODULE_DESCRIPTION("Realtek PHY driver");
 MODULE_AUTHOR("Johnson Leung");
@@ -38,6 +42,18 @@
 	return (err < 0) ? err : 0;
 }
 
+static int rtl8211f_ack_interrupt(struct phy_device *phydev)
+{
+	int err;
+
+	phy_write(phydev, RTL8211F_PAGE_SELECT, 0xa43);
+	err = phy_read(phydev, RTL8211F_INSR);
+	/* restore to default page 0 */
+	phy_write(phydev, RTL8211F_PAGE_SELECT, 0x0);
+
+	return (err < 0) ? err : 0;
+}
+
 static int rtl8211b_config_intr(struct phy_device *phydev)
 {
 	int err;
@@ -57,65 +73,119 @@
 
 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 		err = phy_write(phydev, RTL821x_INER,
-				RTL8211E_INER_LINK_STAT);
+				RTL8211E_INER_LINK_STATUS);
 	else
 		err = phy_write(phydev, RTL821x_INER, 0);
 
 	return err;
 }
 
-/* RTL8211B */
-static struct phy_driver rtl8211b_driver = {
-	.phy_id		= 0x001cc912,
-	.name		= "RTL8211B Gigabit Ethernet",
-	.phy_id_mask	= 0x001fffff,
-	.features	= PHY_GBIT_FEATURES,
-	.flags		= PHY_HAS_INTERRUPT,
-	.config_aneg	= &genphy_config_aneg,
-	.read_status	= &genphy_read_status,
-	.ack_interrupt	= &rtl821x_ack_interrupt,
-	.config_intr	= &rtl8211b_config_intr,
-	.driver		= { .owner = THIS_MODULE,},
-};
+static int rtl8211f_config_intr(struct phy_device *phydev)
+{
+	int err;
 
-/* RTL8211E */
-static struct phy_driver rtl8211e_driver = {
-	.phy_id		= 0x001cc915,
-	.name		= "RTL8211E Gigabit Ethernet",
-	.phy_id_mask	= 0x001fffff,
-	.features	= PHY_GBIT_FEATURES,
-	.flags		= PHY_HAS_INTERRUPT,
-	.config_aneg	= &genphy_config_aneg,
-	.read_status	= &genphy_read_status,
-	.ack_interrupt	= &rtl821x_ack_interrupt,
-	.config_intr	= &rtl8211e_config_intr,
-	.suspend	= genphy_suspend,
-	.resume		= genphy_resume,
-	.driver		= { .owner = THIS_MODULE,},
-};
+	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+		err = phy_write(phydev, RTL821x_INER,
+				RTL8211F_INER_LINK_STATUS);
+	else
+		err = phy_write(phydev, RTL821x_INER, 0);
+
+	return err;
+}
 
-static int __init realtek_init(void)
+static int rtl8211f_config_init(struct phy_device *phydev)
 {
 	int ret;
+	u16 reg;
 
-	ret = phy_driver_register(&rtl8211b_driver);
+	ret = genphy_config_init(phydev);
 	if (ret < 0)
-		return -ENODEV;
-	return phy_driver_register(&rtl8211e_driver);
-}
+		return ret;
 
-static void __exit realtek_exit(void)
-{
-	phy_driver_unregister(&rtl8211b_driver);
-	phy_driver_unregister(&rtl8211e_driver);
+	if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
+		/* enable TXDLY */
+		phy_write(phydev, RTL8211F_PAGE_SELECT, 0xd08);
+		reg = phy_read(phydev, 0x11);
+		reg |= RTL8211F_TX_DELAY;
+		phy_write(phydev, 0x11, reg);
+		/* restore to default page 0 */
+		phy_write(phydev, RTL8211F_PAGE_SELECT, 0x0);
+	}
+
+	return 0;
 }
 
-module_init(realtek_init);
-module_exit(realtek_exit);
+static struct phy_driver realtek_drvs[] = {
+	{
+		.phy_id         = 0x00008201,
+		.name           = "RTL8201CP Ethernet",
+		.phy_id_mask    = 0x0000ffff,
+		.features       = PHY_BASIC_FEATURES,
+		.flags          = PHY_HAS_INTERRUPT,
+		.config_aneg    = &genphy_config_aneg,
+		.read_status    = &genphy_read_status,
+		.driver         = { .owner = THIS_MODULE,},
+	}, {
+		.phy_id		= 0x001cc912,
+		.name		= "RTL8211B Gigabit Ethernet",
+		.phy_id_mask	= 0x001fffff,
+		.features	= PHY_GBIT_FEATURES,
+		.flags		= PHY_HAS_INTERRUPT,
+		.config_aneg	= &genphy_config_aneg,
+		.read_status	= &genphy_read_status,
+		.ack_interrupt	= &rtl821x_ack_interrupt,
+		.config_intr	= &rtl8211b_config_intr,
+		.driver		= { .owner = THIS_MODULE,},
+	}, {
+		.phy_id		= 0x001cc914,
+		.name		= "RTL8211DN Gigabit Ethernet",
+		.phy_id_mask	= 0x001fffff,
+		.features	= PHY_GBIT_FEATURES,
+		.flags		= PHY_HAS_INTERRUPT,
+		.config_aneg	= genphy_config_aneg,
+		.read_status	= genphy_read_status,
+		.ack_interrupt	= rtl821x_ack_interrupt,
+		.config_intr	= rtl8211e_config_intr,
+		.suspend	= genphy_suspend,
+		.resume		= genphy_resume,
+		.driver		= { .owner = THIS_MODULE,},
+	}, {
+		.phy_id		= 0x001cc915,
+		.name		= "RTL8211E Gigabit Ethernet",
+		.phy_id_mask	= 0x001fffff,
+		.features	= PHY_GBIT_FEATURES,
+		.flags		= PHY_HAS_INTERRUPT,
+		.config_aneg	= &genphy_config_aneg,
+		.read_status	= &genphy_read_status,
+		.ack_interrupt	= &rtl821x_ack_interrupt,
+		.config_intr	= &rtl8211e_config_intr,
+		.suspend	= genphy_suspend,
+		.resume		= genphy_resume,
+		.driver		= { .owner = THIS_MODULE,},
+	}, {
+		.phy_id		= 0x001cc916,
+		.name		= "RTL8211F Gigabit Ethernet",
+		.phy_id_mask	= 0x001fffff,
+		.features	= PHY_GBIT_FEATURES,
+		.flags		= PHY_HAS_INTERRUPT,
+		.config_aneg	= &genphy_config_aneg,
+		.config_init	= &rtl8211f_config_init,
+		.read_status	= &genphy_read_status,
+		.ack_interrupt	= &rtl8211f_ack_interrupt,
+		.config_intr	= &rtl8211f_config_intr,
+		.suspend	= genphy_suspend,
+		.resume		= genphy_resume,
+		.driver		= { .owner = THIS_MODULE },
+	},
+};
+
+module_phy_driver(realtek_drvs);
 
 static struct mdio_device_id __maybe_unused realtek_tbl[] = {
 	{ 0x001cc912, 0x001fffff },
+	{ 0x001cc914, 0x001fffff },
 	{ 0x001cc915, 0x001fffff },
+	{ 0x001cc916, 0x001fffff },
 	{ }
 };