path: root/target/linux/mediatek/patches-5.15/730-net-phy-add-driver-for-MediaTek-SoC-built-in-GE-PHYs.patch

From a6f143af419bfc3f52d82e88ac033d9833e720af Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 13 Feb 2023 02:33:14 +0000
Subject: [PATCH] net: phy: add driver for MediaTek SoC built-in GE PHYs

Some of MediaTek's Filogic SoCs come with built-in gigabit Ethernet
PHYs which require calibration data from the SoC's efuse.
Add support for these PHYs to the mediatek-ge driver if built for
MediaTek's ARM64 SoCs.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 MAINTAINERS                   |    8 +
 drivers/net/phy/Kconfig       |   12 +
 drivers/net/phy/mediatek-ge.c | 1351 +++++++++++++++++++++++++++++++++
 3 files changed, 1371 insertions(+)

--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11797,6 +11797,14 @@ S:	Maintained
 F:	drivers/net/pcs/pcs-mtk-lynxi.c
 F:	include/linux/pcs/pcs-mtk-lynxi.h
 
+MEDIATEK ETHERNET PHY DRIVERS
+M:	Daniel Golle <daniel@makrotopia.org>
+M:	Qingfang Deng <dqfext@gmail.com>
+M:	SkyLake Huang <SkyLake.Huang@mediatek.com>
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	drivers/net/phy/mediatek-ge.c
+
 MEDIATEK I2C CONTROLLER DRIVER
 M:	Qii Wang <qii.wang@mediatek.com>
 L:	linux-i2c@vger.kernel.org
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -292,6 +292,18 @@ config MEDIATEK_GE_PHY
 	help
 	  Supports the MediaTek Gigabit Ethernet PHYs.
 
+config MEDIATEK_GE_PHY_SOC
+	bool "MediaTek SoC Ethernet PHYs"
+	depends on (ARM64 && ARCH_MEDIATEK && MEDIATEK_GE_PHY) || COMPILE_TEST
+	select NVMEM_MTK_EFUSE
+	help
+	  Supports MediaTek SoC built-in Gigabit Ethernet PHYs.
+
+	  Include support for built-in Ethernet PHYs which are present in
+	  the MT7981 and MT7988 SoCs. These PHYs need calibration data
+	  present in the SoCs efuse and will dynamically calibrate VCM
+	  (common-mode voltage) during startup.
+
 config MICREL_PHY
 	tristate "Micrel PHYs"
 	help
--- a/drivers/net/phy/mediatek-ge.c
+++ b/drivers/net/phy/mediatek-ge.c
@@ -1,6 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0+
 #include <linux/bitfield.h>
 #include <linux/module.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
 #include <linux/phy.h>
 
 #define MTK_EXT_PAGE_ACCESS		0x1f
@@ -11,6 +14,275 @@
 #define MTK_PHY_PAGE_EXTENDED_2A30	0x2a30
 #define MTK_PHY_PAGE_EXTENDED_52B5	0x52b5
 
+#define ANALOG_INTERNAL_OPERATION_MAX_US	(20)
+#define ZCAL_CTRL_MIN				(0)
+#define ZCAL_CTRL_MAX				(63)
+#define TXRESERVE_MIN				(0)
+#define TXRESERVE_MAX				(7)
+
+#define MTK_PHY_ANARG_RG			(0x10)
+#define   MTK_PHY_TCLKOFFSET_MASK		GENMASK(12, 8)
+
+/* Registers on MDIO_MMD_VEND1 */
+enum {
+	MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TO1 = 0,
+	MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1,
+	MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1,
+	MTK_PHY_MIDDLE_LEVEL_SHAPPER_1TO0,
+	MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0,
+	MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0,
+	MTK_PHY_MIDDLE_LEVEL_SHAPPER_0TON1, /* N means negative */
+	MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1,
+	MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1,
+	MTK_PHY_MIDDLE_LEVEL_SHAPPER_N1TO0,
+	MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0,
+	MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0,
+	MTK_PHY_TX_MLT3_END,
+};
+
+#define MTK_PHY_TXVLD_DA_RG			(0x12)
+#define   MTK_PHY_DA_TX_I2MPB_A_GBE_MASK	GENMASK(15, 10)
+#define   MTK_PHY_DA_TX_I2MPB_A_TBT_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_A2		(0x16)
+#define   MTK_PHY_DA_TX_I2MPB_A_HBT_MASK	GENMASK(15, 10)
+#define   MTK_PHY_DA_TX_I2MPB_A_TST_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_B1		(0x17)
+#define   MTK_PHY_DA_TX_I2MPB_B_GBE_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_B_TBT_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_B2		(0x18)
+#define   MTK_PHY_DA_TX_I2MPB_B_HBT_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_B_TST_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_C1		(0x19)
+#define   MTK_PHY_DA_TX_I2MPB_C_GBE_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_C_TBT_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_C2		(0x20)
+#define   MTK_PHY_DA_TX_I2MPB_C_HBT_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_C_TST_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_D1		(0x21)
+#define   MTK_PHY_DA_TX_I2MPB_D_GBE_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_D_TBT_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TX_I2MPB_TEST_MODE_D2		(0x22)
+#define   MTK_PHY_DA_TX_I2MPB_D_HBT_MASK	GENMASK(13, 8)
+#define   MTK_PHY_DA_TX_I2MPB_D_TST_MASK	GENMASK(5, 0)
+
+#define MTK_PHY_TANA_CAL_MODE			(0xc1)
+#define MTK_PHY_TANA_CAL_MODE_SHIFT		(8)
+
+#define MTK_PHY_RXADC_CTRL_RG7			(0xc6)
+#define   MTK_PHY_DA_AD_BUF_BIAS_LP_MASK	GENMASK(9, 8)
+
+#define MTK_PHY_RXADC_CTRL_RG9			(0xc8)
+#define   MTK_PHY_DA_RX_PSBN_TBT_MASK		GENMASK(14, 12)
+#define   MTK_PHY_DA_RX_PSBN_HBT_MASK		GENMASK(10, 8)
+#define   MTK_PHY_DA_RX_PSBN_GBE_MASK		GENMASK(6, 4)
+#define   MTK_PHY_DA_RX_PSBN_LP_MASK		GENMASK(2, 0)
+
+#define MTK_PHY_LDO_OUTPUT_V			(0xd7)
+
+#define MTK_PHY_RG_ANA_CAL_RG0			(0xdb)
+#define   MTK_PHY_RG_CAL_CKINV			BIT(12)
+#define   MTK_PHY_RG_ANA_CALEN			BIT(8)
+#define   MTK_PHY_RG_REXT_CALEN			BIT(4)
+#define   MTK_PHY_RG_ZCALEN_A			BIT(0)
+
+#define MTK_PHY_RG_ANA_CAL_RG1			(0xdc)
+#define   MTK_PHY_RG_ZCALEN_B			BIT(12)
+#define   MTK_PHY_RG_ZCALEN_C			BIT(8)
+#define   MTK_PHY_RG_ZCALEN_D			BIT(4)
+#define   MTK_PHY_RG_TXVOS_CALEN		BIT(0)
+
+#define MTK_PHY_RG_ANA_CAL_RG2			(0xdd)
+#define   MTK_PHY_RG_TXG_CALEN_A		BIT(12)
+#define   MTK_PHY_RG_TXG_CALEN_B		BIT(8)
+#define   MTK_PHY_RG_TXG_CALEN_C		BIT(4)
+#define   MTK_PHY_RG_TXG_CALEN_D		BIT(0)
+
+#define MTK_PHY_RG_ANA_CAL_RG5			(0xe0)
+#define   MTK_PHY_RG_REXT_TRIM_MASK		GENMASK(13, 8)
+#define   MTK_PHY_RG_ZCAL_CTRL_MASK		GENMASK(5, 0)
+
+#define MTK_PHY_RG_TX_FILTER			(0xfe)
+
+#define MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B		(0x172)
+#define   MTK_PHY_CR_TX_AMP_OFFSET_A_MASK	GENMASK(13, 8)
+#define   MTK_PHY_CR_TX_AMP_OFFSET_B_MASK	GENMASK(6, 0)
+
+#define MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D		(0x173)
+#define   MTK_PHY_CR_TX_AMP_OFFSET_C_MASK	GENMASK(13, 8)
+#define   MTK_PHY_CR_TX_AMP_OFFSET_D_MASK	GENMASK(6, 0)
+
+#define MTK_PHY_RG_AD_CAL_COMP			(0x17a)
+#define   MTK_PHY_AD_CAL_COMP_OUT_SHIFT		(8)
+
+#define MTK_PHY_RG_AD_CAL_CLK			(0x17b)
+#define   MTK_PHY_DA_CAL_CLK			BIT(0)
+
+#define MTK_PHY_RG_AD_CALIN			(0x17c)
+#define   MTK_PHY_DA_CALIN_FLAG			BIT(0)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_A		(0x17d)
+#define   MTK_PHY_DASN_DAC_IN0_A_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_B		(0x17e)
+#define   MTK_PHY_DASN_DAC_IN0_B_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_C		(0x17f)
+#define   MTK_PHY_DASN_DAC_IN0_C_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN0_D			(0x180)
+#define   MTK_PHY_DASN_DAC_IN0_D_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_A			(0x181)
+#define   MTK_PHY_DASN_DAC_IN1_A_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_B			(0x182)
+#define   MTK_PHY_DASN_DAC_IN1_B_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_C			(0x183)
+#define   MTK_PHY_DASN_DAC_IN1_C_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_DASN_DAC_IN1_D			(0x180)
+#define   MTK_PHY_DASN_DAC_IN1_D_MASK		GENMASK(9, 0)
+
+#define MTK_PHY_RG_LP_IIR2_K1_L			(0x22a)
+#define MTK_PHY_RG_LP_IIR2_K1_U			(0x22b)
+#define MTK_PHY_RG_LP_IIR2_K2_L			(0x22c)
+#define MTK_PHY_RG_LP_IIR2_K2_U			(0x22d)
+#define MTK_PHY_RG_LP_IIR2_K3_L			(0x22e)
+#define MTK_PHY_RG_LP_IIR2_K3_U			(0x22f)
+#define MTK_PHY_RG_LP_IIR2_K4_L			(0x230)
+#define MTK_PHY_RG_LP_IIR2_K4_U			(0x231)
+#define MTK_PHY_RG_LP_IIR2_K5_L			(0x232)
+#define MTK_PHY_RG_LP_IIR2_K5_U			(0x233)
+
+#define MTK_PHY_RG_DEV1E_REG234			(0x234)
+#define   MTK_PHY_TR_OPEN_LOOP_EN_MASK		GENMASK(0, 0)
+#define   MTK_PHY_LPF_X_AVERAGE_MASK		GENMASK(7, 4)
+
+#define MTK_PHY_RG_LPF_CNT_VAL			(0x235)
+
+#define MTK_PHY_RG_DEV1E_REG27C			(0x27c)
+#define   MTK_PHY_VGASTATE_FFE_THR_ST1_MASK	GENMASK(12, 8)
+#define MTK_PHY_RG_DEV1E_REG27D			(0x27d)
+#define   MTK_PHY_VGASTATE_FFE_THR_ST2_MASK	GENMASK(4, 0)
+
+#define MTK_PHY_LDO_PUMP_EN_PAIRAB		(0x502)
+#define MTK_PHY_LDO_PUMP_EN_PAIRCD		(0x503)
+
+#define MTK_PHY_DA_TX_R50_PAIR_A		(0x53d)
+#define MTK_PHY_DA_TX_R50_PAIR_B		(0x53e)
+#define MTK_PHY_DA_TX_R50_PAIR_C		(0x53f)
+#define MTK_PHY_DA_TX_R50_PAIR_D		(0x540)
+
+/* Registers on MDIO_MMD_VEND2 */
+#define MTK_PHY_LED0_ON_CTRL			(0x24)
+#define   MTK_PHY_LED0_ON_MASK			GENMASK(6, 0)
+#define   MTK_PHY_LED0_ON_LINK1000		BIT(0)
+#define   MTK_PHY_LED0_ON_LINK100		BIT(1)
+#define   MTK_PHY_LED0_ON_LINK10		BIT(2)
+#define   MTK_PHY_LED0_ON_LINKDOWN		BIT(3)
+#define   MTK_PHY_LED0_ON_FDX			BIT(4) /* Full duplex */
+#define   MTK_PHY_LED0_ON_HDX			BIT(5) /* Half duplex */
+#define   MTK_PHY_LED0_FORCE_ON			BIT(6)
+#define   MTK_PHY_LED0_POLARITY			BIT(14)
+#define   MTK_PHY_LED0_ENABLE			BIT(15)
+
+#define MTK_PHY_LED0_BLINK_CTRL			(0x25)
+#define   MTK_PHY_LED0_1000TX			BIT(0)
+#define   MTK_PHY_LED0_1000RX			BIT(1)
+#define   MTK_PHY_LED0_100TX			BIT(2)
+#define   MTK_PHY_LED0_100RX			BIT(3)
+#define   MTK_PHY_LED0_10TX			BIT(4)
+#define   MTK_PHY_LED0_10RX			BIT(5)
+#define   MTK_PHY_LED0_COLLISION		BIT(6)
+#define   MTK_PHY_LED0_RX_CRC_ERR		BIT(7)
+#define   MTK_PHY_LED0_RX_IDLE_ERR		BIT(8)
+#define   MTK_PHY_LED0_FORCE_BLINK		BIT(9)
+
+#define MTK_PHY_ANA_TEST_BUS_CTRL_RG		(0x100)
+#define   MTK_PHY_ANA_TEST_MODE_MASK		GENMASK(15, 8)
+
+#define MTK_PHY_RG_DASN_TXT_DMY2		(0x110)
+#define   MTK_PHY_TST_DMY2_MASK			GENMASK(5, 0)
+
+#define MTK_PHY_RG_BG_RASEL			(0x115)
+#define   MTK_PHY_RG_BG_RASEL_MASK		GENMASK(2, 0)
+
+/* These macro privides efuse parsing for internal phy. */
+#define EFS_DA_TX_I2MPB_A(x)			(((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_B(x)			(((x) >> 6) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_C(x)			(((x) >> 12) & GENMASK(5, 0))
+#define EFS_DA_TX_I2MPB_D(x)			(((x) >> 18) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_A(x)		(((x) >> 24) & GENMASK(5, 0))
+
+#define EFS_DA_TX_AMP_OFFSET_B(x)		(((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_C(x)		(((x) >> 6) & GENMASK(5, 0))
+#define EFS_DA_TX_AMP_OFFSET_D(x)		(((x) >> 12) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_A(x)			(((x) >> 18) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_B(x)			(((x) >> 24) & GENMASK(5, 0))
+
+#define EFS_DA_TX_R50_C(x)			(((x) >> 0) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_D(x)			(((x) >> 6) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_A_10M(x)			(((x) >> 12) & GENMASK(5, 0))
+#define EFS_DA_TX_R50_B_10M(x)			(((x) >> 18) & GENMASK(5, 0))
+
+#define EFS_RG_BG_RASEL(x)			(((x) >> 4) & GENMASK(2, 0))
+#define EFS_RG_REXT_TRIM(x)			(((x) >> 7) & GENMASK(5, 0))
+
+enum {
+	NO_PAIR,
+	PAIR_A,
+	PAIR_B,
+	PAIR_C,
+	PAIR_D,
+};
+
+enum {
+	GPHY_PORT0,
+	GPHY_PORT1,
+	GPHY_PORT2,
+	GPHY_PORT3,
+};
+
+enum calibration_mode {
+	EFUSE_K,
+	SW_K
+};
+
+enum CAL_ITEM {
+	REXT,
+	TX_OFFSET,
+	TX_AMP,
+	TX_R50,
+	TX_VCM
+};
+
+enum CAL_MODE {
+	SW_EFUSE_M,
+	EFUSE_M,
+	SW_M
+};
+
+const u8 mt798x_zcal_to_r50[64] = {
+	7, 8, 9, 9, 10, 10, 11, 11,
+	12, 13, 13, 14, 14, 15, 16, 16,
+	17, 18, 18, 19, 20, 21, 21, 22,
+	23, 24, 24, 25, 26, 27, 28, 29,
+	30, 31, 32, 33, 34, 35, 36, 37,
+	38, 40, 41, 42, 43, 45, 46, 48,
+	49, 51, 52, 54, 55, 57, 59, 61,
+	62, 63, 63, 63, 63, 63, 63, 63
+};
+
+const char pair[4] = {'A', 'B', 'C', 'D'};
+
 static int mtk_gephy_read_page(struct phy_device *phydev)
 {
 	return __phy_read(phydev, MTK_EXT_PAGE_ACCESS);
@@ -68,6 +340,1059 @@ static int mt7531_phy_config_init(struct
 	return 0;
 }
 
+#ifdef CONFIG_MEDIATEK_GE_PHY_SOC
+/* One calibration cycle consists of:
+ * 1.Set DA_CALIN_FLAG high to start calibration. Keep it high
+ *   until AD_CAL_COMP is ready to output calibration result.
+ * 2.Wait until DA_CAL_CLK is available.
+ * 3.Fetch AD_CAL_COMP_OUT.
+ */
+static int cal_cycle(struct phy_device *phydev, int devad,
+		     u32 regnum, u16 mask, u16 cal_val)
+{
+	unsigned long timeout;
+	int reg_val;
+	int ret;
+
+	phy_modify_mmd(phydev, devad, regnum,
+		       mask, cal_val);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
+			 MTK_PHY_DA_CALIN_FLAG);
+
+	timeout = jiffies + usecs_to_jiffies(ANALOG_INTERNAL_OPERATION_MAX_US);
+	do {
+		reg_val = phy_read_mmd(phydev, MDIO_MMD_VEND1,
+				       MTK_PHY_RG_AD_CAL_CLK);
+	} while (time_before(jiffies, timeout) && !(reg_val & BIT(0)));
+
+	if (!(reg_val & BIT(0))) {
+		dev_err(&phydev->mdio.dev, "Calibration cycle timeout\n");
+		return -ETIMEDOUT;
+	}
+
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CALIN,
+			   MTK_PHY_DA_CALIN_FLAG);
+	ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_AD_CAL_COMP) >>
+			   MTK_PHY_AD_CAL_COMP_OUT_SHIFT;
+	dev_dbg(&phydev->mdio.dev, "cal_val: 0x%x, ret: %d\n", cal_val, ret);
+
+	return ret;
+}
+
+static int rext_fill_result(struct phy_device *phydev, u16 *buf)
+{
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+		       MTK_PHY_RG_REXT_TRIM_MASK, buf[0] << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_BG_RASEL,
+		       MTK_PHY_RG_BG_RASEL_MASK, buf[1]);
+
+	return 0;
+}
+
+static int rext_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+	u16 rext_cal_val[2];
+
+	rext_cal_val[0] = EFS_RG_REXT_TRIM(buf[3]);
+	rext_cal_val[1] = EFS_RG_BG_RASEL(buf[3]);
+	rext_fill_result(phydev, rext_cal_val);
+
+	return 0;
+}
+
+static int rext_cal_sw(struct phy_device *phydev)
+{
+	u8 rg_zcal_ctrl_def;
+	u8 zcal_lower, zcal_upper, rg_zcal_ctrl;
+	u8 lower_ret, upper_ret;
+	u16 rext_cal_val[2];
+	int ret;
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
+		       MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+			   MTK_PHY_RG_TXVOS_CALEN);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			 MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN |
+			 MTK_PHY_RG_REXT_CALEN);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
+		       MTK_PHY_TST_DMY2_MASK, 0x1);
+
+	rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1,
+					MTK_PHY_RG_ANA_CAL_RG5) &
+					MTK_PHY_RG_ZCAL_CTRL_MASK;
+	zcal_lower = ZCAL_CTRL_MIN;
+	zcal_upper = ZCAL_CTRL_MAX;
+
+	dev_dbg(&phydev->mdio.dev, "Start REXT SW cal.\n");
+	while ((zcal_upper - zcal_lower) > 1) {
+		rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower + zcal_upper, 2);
+		ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+				MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl);
+		if (ret == 1) {
+			zcal_upper = rg_zcal_ctrl;
+			upper_ret = ret;
+		} else if (ret == 0) {
+			zcal_lower = rg_zcal_ctrl;
+			lower_ret = ret;
+		} else {
+			goto restore;
+		}
+	}
+
+	if (zcal_lower == ZCAL_CTRL_MIN) {
+		lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RG_ANA_CAL_RG5,
+				      MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower);
+		ret = lower_ret;
+	} else if (zcal_upper == ZCAL_CTRL_MAX) {
+		upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RG_ANA_CAL_RG5,
+				      MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper);
+		ret = upper_ret;
+	}
+	if (ret < 0)
+		goto restore;
+
+	ret = upper_ret - lower_ret;
+	if (ret == 1) {
+		rext_cal_val[0] = zcal_upper;
+		rext_cal_val[1] = zcal_upper >> 3;
+		rext_fill_result(phydev, rext_cal_val);
+		dev_info(&phydev->mdio.dev, "REXT SW cal result: 0x%x\n",
+			 zcal_upper);
+		ret = 0;
+	} else {
+		ret = -EINVAL;
+	}
+
+restore:
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2,
+			   MTK_PHY_ANA_TEST_BUS_CTRL_RG,
+			   MTK_PHY_ANA_TEST_MODE_MASK);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			   MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN |
+			   MTK_PHY_RG_REXT_CALEN);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
+			   MTK_PHY_TST_DMY2_MASK);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+		       MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def);
+
+	return ret;
+}
+
+static int tx_offset_fill_result(struct phy_device *phydev, u16 *buf)
+{
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
+		       MTK_PHY_CR_TX_AMP_OFFSET_A_MASK, buf[0] << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_A_B,
+		       MTK_PHY_CR_TX_AMP_OFFSET_B_MASK, buf[1]);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
+		       MTK_PHY_CR_TX_AMP_OFFSET_C_MASK, buf[2] << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_CR_TX_AMP_OFFSET_C_D,
+		       MTK_PHY_CR_TX_AMP_OFFSET_D_MASK, buf[3]);
+
+	return 0;
+}
+
+static int tx_offset_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+	u16 tx_offset_cal_val[4];
+
+	tx_offset_cal_val[0] = EFS_DA_TX_AMP_OFFSET_A(buf[0]);
+	tx_offset_cal_val[1] = EFS_DA_TX_AMP_OFFSET_B(buf[1]);
+	tx_offset_cal_val[2] = EFS_DA_TX_AMP_OFFSET_C(buf[1]);
+	tx_offset_cal_val[3] = EFS_DA_TX_AMP_OFFSET_D(buf[1]);
+
+	tx_offset_fill_result(phydev, tx_offset_cal_val);
+
+	return 0;
+}
+
+static int tx_amp_fill_result(struct phy_device *phydev, u16 *buf)
+{
+	int i;
+	int bias[16] = {0};
+	const int vals_9461[16] = { 7, 1, 4, 7,
+				    7, 1, 4, 7,
+				    7, 1, 4, 7,
+				    7, 1, 4, 7 };
+	const int vals_9481[16] = { 10, 6, 6, 10,
+				    10, 6, 6, 10,
+				    10, 6, 6, 10,
+				    10, 6, 6, 10 };
+
+	switch (phydev->drv->phy_id) {
+	case 0x03a29461:
+		/* We add some calibration to efuse values
+		 * due to board level influence.
+		 * GBE: +7, TBT: +1, HBT: +4, TST: +7
+		 */
+		memcpy(bias, (const void *)vals_9461, sizeof(bias));
+		for (i = 0; i <= 12; i += 4) {
+			if (likely(buf[i >> 2] + bias[i] >= 32)) {
+				bias[i] -= 13;
+			} else {
+				phy_modify_mmd(phydev, MDIO_MMD_VEND1,
+					       0x5c, 0x7 << i, bias[i] << i);
+				bias[i + 1] += 13;
+				bias[i + 2] += 13;
+				bias[i + 3] += 13;
+			}
+		}
+		break;
+	case 0x03a29481:
+		memcpy(bias, (const void *)vals_9481, sizeof(bias));
+		break;
+	default:
+		break;
+	}
+
+	/* Prevent overflow */
+	for (i = 0; i < 12; i++) {
+		if (buf[i >> 2] + bias[i] > 63) {
+			buf[i >> 2] = 63;
+			bias[i] = 0;
+		} else if (buf[i >> 2] + bias[i] < 0) {
+			/* Bias caused by board design may change in the future.
+			 * So check negative cases, too.
+			 */
+			buf[i >> 2] = 0;
+			bias[i] = 0;
+		}
+	}
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
+		       MTK_PHY_DA_TX_I2MPB_A_GBE_MASK, (buf[0] + bias[0]) << 10);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG,
+		       MTK_PHY_DA_TX_I2MPB_A_TBT_MASK, buf[0] + bias[1]);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
+		       MTK_PHY_DA_TX_I2MPB_A_HBT_MASK, (buf[0] + bias[2]) << 10);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
+		       MTK_PHY_DA_TX_I2MPB_A_TST_MASK, buf[0] + bias[3]);
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
+		       MTK_PHY_DA_TX_I2MPB_B_GBE_MASK, (buf[1] + bias[4]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
+		       MTK_PHY_DA_TX_I2MPB_B_TBT_MASK, buf[1] + bias[5]);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
+		       MTK_PHY_DA_TX_I2MPB_B_HBT_MASK, (buf[1] + bias[6]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
+		       MTK_PHY_DA_TX_I2MPB_B_TST_MASK, buf[1] + bias[7]);
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
+		       MTK_PHY_DA_TX_I2MPB_C_GBE_MASK, (buf[2] + bias[8]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
+		       MTK_PHY_DA_TX_I2MPB_C_TBT_MASK, buf[2] + bias[9]);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
+		       MTK_PHY_DA_TX_I2MPB_C_HBT_MASK, (buf[2] + bias[10]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
+		       MTK_PHY_DA_TX_I2MPB_C_TST_MASK, buf[2] + bias[11]);
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
+		       MTK_PHY_DA_TX_I2MPB_D_GBE_MASK, (buf[3] + bias[12]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
+		       MTK_PHY_DA_TX_I2MPB_D_TBT_MASK, buf[3] + bias[13]);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
+		       MTK_PHY_DA_TX_I2MPB_D_HBT_MASK, (buf[3] + bias[14]) << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
+		       MTK_PHY_DA_TX_I2MPB_D_TST_MASK, buf[3] + bias[15]);
+
+	return 0;
+}
+
+static int tx_amp_cal_efuse(struct phy_device *phydev, u32 *buf)
+{
+	u16 tx_amp_cal_val[4];
+
+	tx_amp_cal_val[0] = EFS_DA_TX_I2MPB_A(buf[0]);
+	tx_amp_cal_val[1] = EFS_DA_TX_I2MPB_B(buf[0]);
+	tx_amp_cal_val[2] = EFS_DA_TX_I2MPB_C(buf[0]);
+	tx_amp_cal_val[3] = EFS_DA_TX_I2MPB_D(buf[0]);
+	tx_amp_fill_result(phydev, tx_amp_cal_val);
+
+	return 0;
+}
+
+static int tx_r50_fill_result(struct phy_device *phydev, u16 tx_r50_cal_val,
+			      u8 txg_calen_x)
+{
+	int bias = 0;
+	u16 reg, val;
+
+	switch (phydev->drv->phy_id) {
+	case 0x03a29481:
+	{
+		bias = -2;
+		break;
+	}
+	/* 0x03a29461 enters default case */
+	default:
+		break;
+	}
+
+	val = clamp_val(bias + tx_r50_cal_val, 0, 63);
+
+	switch (txg_calen_x) {
+	case PAIR_A:
+		reg = MTK_PHY_DA_TX_R50_PAIR_A;
+		break;
+	case PAIR_B:
+		reg = MTK_PHY_DA_TX_R50_PAIR_B;
+		break;
+	case PAIR_C:
+		reg = MTK_PHY_DA_TX_R50_PAIR_C;
+		break;
+	case PAIR_D:
+		reg = MTK_PHY_DA_TX_R50_PAIR_D;
+		break;
+	}
+
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, reg, val | val << 8);
+
+	return 0;
+}
+
+static int tx_r50_cal_efuse(struct phy_device *phydev, u32 *buf,
+			    u8 txg_calen_x)
+{
+	u16 tx_r50_cal_val;
+
+	switch (txg_calen_x) {
+	case PAIR_A:
+		tx_r50_cal_val = EFS_DA_TX_R50_A(buf[1]);
+		break;
+	case PAIR_B:
+		tx_r50_cal_val = EFS_DA_TX_R50_B(buf[1]);
+		break;
+	case PAIR_C:
+		tx_r50_cal_val = EFS_DA_TX_R50_C(buf[2]);
+		break;
+	case PAIR_D:
+		tx_r50_cal_val = EFS_DA_TX_R50_D(buf[2]);
+		break;
+	}
+	tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
+
+	return 0;
+}
+
+static int tx_r50_cal_sw(struct phy_device *phydev, u8 txg_calen_x)
+{
+	u8 zcal_lower, zcal_upper, rg_zcal_ctrl;
+	u8 lower_ret, upper_ret;
+	u8 rg_zcal_ctrl_def;
+	u16 tx_r50_cal_val;
+	int ret;
+
+	phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
+		       MTK_PHY_ANA_TEST_MODE_MASK, MTK_PHY_TANA_CAL_MODE << 8);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+			   MTK_PHY_RG_TXVOS_CALEN);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			 MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2,
+			 BIT(txg_calen_x * 4));
+	phy_modify_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
+		       MTK_PHY_TST_DMY2_MASK, 0x1);
+
+	rg_zcal_ctrl_def = phy_read_mmd(phydev, MDIO_MMD_VEND1,
+					MTK_PHY_RG_ANA_CAL_RG5) &
+			   MTK_PHY_RG_ZCAL_CTRL_MASK;
+	zcal_lower = ZCAL_CTRL_MIN;
+	zcal_upper = ZCAL_CTRL_MAX;
+
+	dev_dbg(&phydev->mdio.dev, "Start TX-R50 Pair%c SW cal.\n",
+		pair[txg_calen_x]);
+	while ((zcal_upper - zcal_lower) > 1) {
+		rg_zcal_ctrl = DIV_ROUND_CLOSEST(zcal_lower + zcal_upper, 2);
+		ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+				MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl);
+		if (ret == 1) {
+			zcal_upper = rg_zcal_ctrl;
+			upper_ret = ret;
+		} else if (ret == 0) {
+			zcal_lower = rg_zcal_ctrl;
+			lower_ret = ret;
+		} else {
+			goto restore;
+		}
+	}
+
+	if (zcal_lower == ZCAL_CTRL_MIN) {
+		lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RG_ANA_CAL_RG5,
+				      MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_lower);
+		ret = lower_ret;
+	} else if (zcal_upper == ZCAL_CTRL_MAX) {
+		upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RG_ANA_CAL_RG5,
+				      MTK_PHY_RG_ZCAL_CTRL_MASK, zcal_upper);
+		ret = upper_ret;
+	}
+	if (ret < 0)
+		goto restore;
+
+	ret = upper_ret - lower_ret;
+	if (ret == 1) {
+		tx_r50_cal_val = mt798x_zcal_to_r50[zcal_upper];
+		tx_r50_fill_result(phydev, tx_r50_cal_val, txg_calen_x);
+		dev_info(&phydev->mdio.dev,
+			 "TX-R50 Pair%c SW cal result: 0x%x\n",
+			 pair[txg_calen_x], zcal_lower);
+		ret = 0;
+	} else {
+		ret = -EINVAL;
+	}
+
+restore:
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_ANA_TEST_BUS_CTRL_RG,
+			   MTK_PHY_ANA_TEST_MODE_MASK);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			   MTK_PHY_RG_CAL_CKINV | MTK_PHY_RG_ANA_CALEN);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG2,
+			   BIT(txg_calen_x * 4));
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_RG_DASN_TXT_DMY2,
+			   MTK_PHY_TST_DMY2_MASK);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG5,
+		       MTK_PHY_RG_ZCAL_CTRL_MASK, rg_zcal_ctrl_def);
+
+	return ret;
+}
+
+static int tx_vcm_cal_sw(struct phy_device *phydev, u8 rg_txreserve_x)
+{
+	u8 lower_idx, upper_idx, txreserve_val;
+	u8 lower_ret, upper_ret;
+	int ret;
+
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			 MTK_PHY_RG_ANA_CALEN);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			   MTK_PHY_RG_CAL_CKINV);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+			 MTK_PHY_RG_TXVOS_CALEN);
+
+	switch (rg_txreserve_x) {
+	case PAIR_A:
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN0_A,
+				   MTK_PHY_DASN_DAC_IN0_A_MASK);
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN1_A,
+				   MTK_PHY_DASN_DAC_IN1_A_MASK);
+		phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+				 MTK_PHY_RG_ANA_CAL_RG0,
+				 MTK_PHY_RG_ZCALEN_A);
+		break;
+	case PAIR_B:
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN0_B,
+				   MTK_PHY_DASN_DAC_IN0_B_MASK);
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN1_B,
+				   MTK_PHY_DASN_DAC_IN1_B_MASK);
+		phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+				 MTK_PHY_RG_ANA_CAL_RG1,
+				 MTK_PHY_RG_ZCALEN_B);
+		break;
+	case PAIR_C:
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN0_C,
+				   MTK_PHY_DASN_DAC_IN0_C_MASK);
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN1_C,
+				   MTK_PHY_DASN_DAC_IN1_C_MASK);
+		phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+				 MTK_PHY_RG_ANA_CAL_RG1,
+				 MTK_PHY_RG_ZCALEN_C);
+		break;
+	case PAIR_D:
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN0_D,
+				   MTK_PHY_DASN_DAC_IN0_D_MASK);
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   MTK_PHY_RG_DASN_DAC_IN1_D,
+				   MTK_PHY_DASN_DAC_IN1_D_MASK);
+		phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+				 MTK_PHY_RG_ANA_CAL_RG1,
+				 MTK_PHY_RG_ZCALEN_D);
+		break;
+	default:
+		ret = -EINVAL;
+		goto restore;
+	}
+
+	lower_idx = TXRESERVE_MIN;
+	upper_idx = TXRESERVE_MAX;
+
+	dev_dbg(&phydev->mdio.dev, "Start TX-VCM SW cal.\n");
+	while ((upper_idx - lower_idx) > 1) {
+		txreserve_val = DIV_ROUND_CLOSEST(lower_idx + upper_idx, 2);
+		ret = cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+				MTK_PHY_DA_RX_PSBN_TBT_MASK |
+				MTK_PHY_DA_RX_PSBN_HBT_MASK |
+				MTK_PHY_DA_RX_PSBN_GBE_MASK |
+				MTK_PHY_DA_RX_PSBN_LP_MASK,
+				txreserve_val << 12 | txreserve_val << 8 |
+				txreserve_val << 4 | txreserve_val);
+		if (ret == 1) {
+			upper_idx = txreserve_val;
+			upper_ret = ret;
+		} else if (ret == 0) {
+			lower_idx = txreserve_val;
+			lower_ret = ret;
+		} else {
+			goto restore;
+		}
+	}
+
+	if (lower_idx == TXRESERVE_MIN) {
+		lower_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RXADC_CTRL_RG9,
+				      MTK_PHY_DA_RX_PSBN_TBT_MASK |
+				      MTK_PHY_DA_RX_PSBN_HBT_MASK |
+				      MTK_PHY_DA_RX_PSBN_GBE_MASK |
+				      MTK_PHY_DA_RX_PSBN_LP_MASK,
+				      lower_idx << 12 | lower_idx << 8 |
+				      lower_idx << 4 | lower_idx);
+		ret = lower_ret;
+	} else if (upper_idx == TXRESERVE_MAX) {
+		upper_ret = cal_cycle(phydev, MDIO_MMD_VEND1,
+				      MTK_PHY_RXADC_CTRL_RG9,
+				      MTK_PHY_DA_RX_PSBN_TBT_MASK |
+				      MTK_PHY_DA_RX_PSBN_HBT_MASK |
+				      MTK_PHY_DA_RX_PSBN_GBE_MASK |
+				      MTK_PHY_DA_RX_PSBN_LP_MASK,
+				      upper_idx << 12 | upper_idx << 8 |
+				      upper_idx << 4 | upper_idx);
+		ret = upper_ret;
+	}
+	if (ret < 0)
+		goto restore;
+
+	/* We calibrate TX-VCM in different logic. Check upper index and then
+	 * lower index. If this calibration is valid, apply lower index's result.
+	 */
+	ret = upper_ret - lower_ret;
+	if (ret == 1) {
+		ret = 0;
+		/* Make sure we use upper_idx in our calibration system */
+		cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+			  MTK_PHY_DA_RX_PSBN_TBT_MASK |
+			  MTK_PHY_DA_RX_PSBN_HBT_MASK |
+			  MTK_PHY_DA_RX_PSBN_GBE_MASK |
+			  MTK_PHY_DA_RX_PSBN_LP_MASK,
+			  upper_idx << 12 | upper_idx << 8 |
+			  upper_idx << 4 | upper_idx);
+		dev_info(&phydev->mdio.dev, "TX-VCM SW cal result: 0x%x\n",
+			 upper_idx);
+	} else if (lower_idx == TXRESERVE_MIN && upper_ret == 1 &&
+		   lower_ret == 1) {
+		ret = 0;
+		cal_cycle(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG9,
+			  MTK_PHY_DA_RX_PSBN_TBT_MASK |
+			  MTK_PHY_DA_RX_PSBN_HBT_MASK |
+			  MTK_PHY_DA_RX_PSBN_GBE_MASK |
+			  MTK_PHY_DA_RX_PSBN_LP_MASK,
+			  lower_idx << 12 | lower_idx << 8 |
+			  lower_idx << 4 | lower_idx);
+		dev_warn(&phydev->mdio.dev,
+			 "TX-VCM SW cal result at low margin 0x%x\n",
+			 lower_idx);
+	} else if (upper_idx == TXRESERVE_MAX && upper_ret == 0 &&
+		   lower_ret == 0) {
+		ret = 0;
+		dev_warn(&phydev->mdio.dev,
+			 "TX-VCM SW cal result at high margin 0x%x\n",
+			 upper_idx);
+	} else {
+		ret = -EINVAL;
+	}
+
+restore:
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			   MTK_PHY_RG_ANA_CALEN);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+			   MTK_PHY_RG_TXVOS_CALEN);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG0,
+			   MTK_PHY_RG_ZCALEN_A);
+	phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_ANA_CAL_RG1,
+			   MTK_PHY_RG_ZCALEN_B | MTK_PHY_RG_ZCALEN_C |
+			   MTK_PHY_RG_ZCALEN_D);
+
+	return ret;
+}
+
+static inline void mt7981_phy_finetune(struct phy_device *phydev)
+{
+	u32 i;
+
+	/* 100M eye finetune:
+	 * Keep middle level of TX MLT3 shapper as default.
+	 * Only change TX MLT3 overshoot level here.
+	 */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TO1,
+		      0x1ce);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TO1,
+		      0x1c1);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_1TO0,
+		      0x20f);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_1TO0,
+		      0x202);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_0TON1,
+		      0x3d0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_0TON1,
+		      0x3c0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_1st_OVERSHOOT_LEVEL_N1TO0,
+		      0x13);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_2nd_OVERSHOOT_LEVEL_N1TO0,
+		      0x5);
+
+	/* TX-AMP finetune:
+	 * 100M +4, 1000M +6 to default value.
+	 * If efuse values aren't valid, TX-AMP uses the below values.
+	 */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TXVLD_DA_RG, 0x9824);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_A2,
+		      0x9026);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B1,
+		      0x2624);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_B2,
+		      0x2426);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C1,
+		      0x2624);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_C2,
+		      0x2426);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D1,
+		      0x2624);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_TX_I2MPB_TEST_MODE_D2,
+		      0x2426);
+
+	phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+	/* EnabRandUpdTrig = 1 */
+	__phy_write(phydev, 0x11, 0x2f00);
+	__phy_write(phydev, 0x12, 0xe);
+	__phy_write(phydev, 0x10, 0x8fb0);
+
+	/* SlvDSPreadyTime = 0xc */
+	__phy_write(phydev, 0x11, 0x671);
+	__phy_write(phydev, 0x12, 0xc);
+	__phy_write(phydev, 0x10, 0x8fae);
+
+	/* NormMseLoThresh = 85 */
+	__phy_write(phydev, 0x11, 0x55a0);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x83aa);
+
+	/* InhibitDisableDfeTail1000 = 1 */
+	__phy_write(phydev, 0x11, 0x2b);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x8f80);
+
+	/* SSTr related */
+	__phy_write(phydev, 0x11, 0xbaef);
+	__phy_write(phydev, 0x12, 0x2e);
+	__phy_write(phydev, 0x10, 0x968c);
+
+	/* VcoSlicerThreshBitsHigh */
+	__phy_write(phydev, 0x11, 0x5555);
+	__phy_write(phydev, 0x12, 0x55);
+	__phy_write(phydev, 0x10, 0x8ec0);
+
+	/* ResetSyncOffset = 6 */
+	__phy_write(phydev, 0x11, 0x600);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x8fc0);
+
+	/* VgaDecRate = 1 */
+	__phy_write(phydev, 0x11, 0x4c2a);
+	__phy_write(phydev, 0x12, 0x3e);
+	__phy_write(phydev, 0x10, 0x8fa4);
+
+	phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+	/* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+		       MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+		       BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+
+	/* rg_tr_lpf_cnt_val = 512 */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x200);
+
+	/* IIR2 related */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_L, 0x82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_L, 0x103);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_L, 0x82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_L, 0xd177);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_U, 0x3);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_L, 0x2c82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_U, 0xe);
+
+	/* FFE peaking */
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27C,
+		       MTK_PHY_VGASTATE_FFE_THR_ST1_MASK, 0x1b << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27D,
+		       MTK_PHY_VGASTATE_FFE_THR_ST2_MASK, 0x1e);
+
+	/* TX shape */
+	/* 10/100/1000 TX shaper is enabled by default */
+	for (i = 0x202; i < 0x230; i += 2) {
+		if (i == 0x20c || i == 0x218 || i == 0x224)
+			continue;
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, i, 0x2219);
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, i + 1, 0x23);
+	}
+}
+
+static inline void mt7988_phy_finetune(struct phy_device *phydev)
+{
+	u16 val[12] = { 0x0187, 0x01cd, 0x01c8, 0x0182,
+			0x020d, 0x0206, 0x0384, 0x03d0,
+			0x03c6, 0x030a, 0x0011, 0x0005 };
+	int i;
+
+	for (i = 0; i < MTK_PHY_TX_MLT3_END; i++)
+		phy_write_mmd(phydev, MDIO_MMD_VEND1, i, val[i]);
+
+	/* TCT finetune */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_TX_FILTER, 0x5);
+
+	/* Disable TX power saving */
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RXADC_CTRL_RG7,
+		       MTK_PHY_DA_AD_BUF_BIAS_LP_MASK, 0x3 << 8);
+
+	phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_52B5);
+	/* EnabRandUpdTrig = 1 */
+	__phy_write(phydev, 0x11, 0x2f00);
+	__phy_write(phydev, 0x12, 0xe);
+	__phy_write(phydev, 0x10, 0x8fb0);
+
+	/* SlvDSPreadyTime = 0xc */
+	__phy_write(phydev, 0x11, 0x671);
+	__phy_write(phydev, 0x12, 0xc);
+	__phy_write(phydev, 0x10, 0x8fae);
+
+	/* NormMseLoThresh = 85 */
+	__phy_write(phydev, 0x11, 0x55a0);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x83aa);
+
+	/* InhibitDisableDfeTail1000 = 1 */
+	__phy_write(phydev, 0x11, 0x2b);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x8f80);
+
+	/* SSTr related */
+	__phy_write(phydev, 0x11, 0xbaef);
+	__phy_write(phydev, 0x12, 0x2e);
+	__phy_write(phydev, 0x10, 0x968c);
+
+	/* MrvlTrFix100Kp = 3, MrvlTrFix100Kf = 2,
+	 * MrvlTrFix1000Kp = 3, MrvlTrFix1000Kf = 2
+	 */
+	__phy_write(phydev, 0x11, 0xd10a);
+	__phy_write(phydev, 0x12, 0x34);
+	__phy_write(phydev, 0x10, 0x8f82);
+
+	/* VcoSlicerThreshBitsHigh */
+	__phy_write(phydev, 0x11, 0x5555);
+	__phy_write(phydev, 0x12, 0x55);
+	__phy_write(phydev, 0x10, 0x8ec0);
+
+	/* ResetSyncOffset = 5 */
+	__phy_write(phydev, 0x11, 0x500);
+	__phy_write(phydev, 0x12, 0x0);
+	__phy_write(phydev, 0x10, 0x8fc0);
+	phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+	phy_select_page(phydev, MTK_PHY_PAGE_EXTENDED_2A30);
+	/* TxClkOffset = 2 */
+	__phy_modify(phydev, MTK_PHY_ANARG_RG, MTK_PHY_TCLKOFFSET_MASK,
+		     FIELD_PREP(MTK_PHY_TCLKOFFSET_MASK, 0x2));
+	phy_restore_page(phydev, MTK_PHY_PAGE_STANDARD, 0);
+
+	/* TR_OPEN_LOOP_EN = 1, lpf_x_average = 9*/
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG234,
+		       MTK_PHY_TR_OPEN_LOOP_EN_MASK | MTK_PHY_LPF_X_AVERAGE_MASK,
+		       BIT(0) | FIELD_PREP(MTK_PHY_LPF_X_AVERAGE_MASK, 0x9));
+
+	/* rg_tr_lpf_cnt_val = 512 */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LPF_CNT_VAL, 0x200);
+
+	/* IIR2 related */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_L, 0x82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K1_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_L, 0x103);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K2_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_L, 0x82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K3_U, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_L, 0xd177);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K4_U, 0x3);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_L, 0x2c82);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_LP_IIR2_K5_U, 0xe);
+
+	/* FFE peaking */
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27C,
+		       MTK_PHY_VGASTATE_FFE_THR_ST1_MASK, 0x1b << 8);
+	phy_modify_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_RG_DEV1E_REG27D,
+		       MTK_PHY_VGASTATE_FFE_THR_ST2_MASK, 0x1e);
+
+	/* TX shape */
+	/* 10/100/1000 TX shaper is enabled by default */
+	for (i = 0x202; i < 0x230; i += 2) {
+		if (i == 0x20c || i == 0x218 || i == 0x224)
+			continue;
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, i, 0x2219);
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, i + 1, 0x23);
+	}
+
+	/* Disable LDO pump */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRAB, 0x0);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_PUMP_EN_PAIRCD, 0x0);
+
+	/* Adjust LDO output voltage */
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, MTK_PHY_LDO_OUTPUT_V, 0x2222);
+}
+
+static inline int cal_sw(struct phy_device *phydev, enum CAL_ITEM cal_item,
+			 u8 start_pair, u8 end_pair)
+{
+	u8 pair_n;
+	int ret;
+
+	for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
+		/* TX_OFFSET & TX_AMP have no SW calibration. */
+		switch (cal_item) {
+		case REXT:
+			ret = rext_cal_sw(phydev);
+			break;
+		case TX_R50:
+			ret = tx_r50_cal_sw(phydev, pair_n);
+			break;
+		case TX_VCM:
+			ret = tx_vcm_cal_sw(phydev, pair_n);
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (ret)
+			return ret;
+	}
+	return 0;
+}
+
+static inline int cal_efuse(struct phy_device *phydev, enum CAL_ITEM cal_item,
+			    u8 start_pair, u8 end_pair, u32 *buf)
+{
+	u8 pair_n;
+	int ret;
+
+	for (pair_n = start_pair; pair_n <= end_pair; pair_n++) {
+		/* TX_VCM has no efuse calibration. */
+		switch (cal_item) {
+		case REXT:
+			ret = rext_cal_efuse(phydev, buf);
+			break;
+		case TX_OFFSET:
+			ret = tx_offset_cal_efuse(phydev, buf);
+			break;
+		case TX_AMP:
+			ret = tx_amp_cal_efuse(phydev, buf);
+			break;
+		case TX_R50:
+			ret = tx_r50_cal_efuse(phydev, buf, pair_n);
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int start_cal(struct phy_device *phydev, enum CAL_ITEM cal_item,
+		     bool efs_valid, enum CAL_MODE cal_mode, u8 start_pair,
+		     u8 end_pair, u32 *buf)
+{
+	char cal_prop[5][20] = { "mediatek,rext", "mediatek,tx_offset",
+				 "mediatek,tx_amp", "mediatek,tx_r50",
+				 "mediatek,tx_vcm" };
+	const char *dts_cal_mode;
+	u8 final_cal_mode = 0;
+	bool is_cal = true;
+	int ret, cal_ret;
+
+	ret = of_property_read_string(phydev->mdio.dev.of_node,
+				      cal_prop[cal_item], &dts_cal_mode);
+
+	switch (cal_mode) {
+	case SW_EFUSE_M:
+		if ((efs_valid && ret) ||
+		    (efs_valid && !ret && strcmp("efuse", dts_cal_mode) == 0)) {
+			cal_ret = cal_efuse(phydev, cal_item, start_pair,
+					    end_pair, buf);
+			final_cal_mode = EFUSE_K;
+		} else if ((!efs_valid && ret) ||
+			(!ret && strcmp("sw", dts_cal_mode) == 0)) {
+			cal_ret = cal_sw(phydev, cal_item, start_pair, end_pair);
+			final_cal_mode = SW_K;
+		} else {
+			is_cal = false;
+		}
+		break;
+	case EFUSE_M:
+		if ((efs_valid && ret) ||
+		    (efs_valid && !ret && strcmp("efuse", dts_cal_mode) == 0)) {
+			cal_ret = cal_efuse(phydev, cal_item, start_pair,
+					    end_pair, buf);
+			final_cal_mode = EFUSE_K;
+		} else {
+			is_cal = false;
+		}
+		break;
+	case SW_M:
+		if (ret || (!ret && strcmp("sw", dts_cal_mode) == 0)) {
+			cal_ret = cal_sw(phydev, cal_item, start_pair, end_pair);
+			final_cal_mode = SW_K;
+		} else {
+			is_cal = false;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (cal_ret) {
+		dev_err(&phydev->mdio.dev, "[%s]cal failed\n", cal_prop[cal_item]);
+		return -EIO;
+	}
+
+	if (!is_cal) {
+		dev_dbg(&phydev->mdio.dev, "[%s]K mode: %s(not supported)\n",
+			cal_prop[cal_item], dts_cal_mode);
+		return -EIO;
+	}
+
+	dev_dbg(&phydev->mdio.dev, "[%s]K mode: %s(dts: %s), efs-valid: %s\n",
+		cal_prop[cal_item],
+		final_cal_mode ? "SW" : "EFUSE",
+		ret ? "not set" : dts_cal_mode,
+		efs_valid ? "yes" : "no");
+	return 0;
+}
+
+static int mt798x_phy_calibration(struct phy_device *phydev)
+{
+	int ret = 0;
+	u32 *buf;
+	bool efs_valid = true;
+	size_t len;
+	struct nvmem_cell *cell;
+
+	if (phydev->interface != PHY_INTERFACE_MODE_GMII)
+		return -EINVAL;
+
+	cell = nvmem_cell_get(&phydev->mdio.dev, "phy-cal-data");
+	if (IS_ERR(cell)) {
+		if (PTR_ERR(cell) == -EPROBE_DEFER)
+			return PTR_ERR(cell);
+		return 0;
+	}
+
+	buf = (u32 *)nvmem_cell_read(cell, &len);
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+	nvmem_cell_put(cell);
+
+	if (!buf[0] || !buf[1] || !buf[2] || !buf[3])
+		efs_valid = false;
+
+	if (len < 4 * sizeof(u32)) {
+		dev_err(&phydev->mdio.dev, "invalid calibration data\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = start_cal(phydev, REXT, efs_valid, SW_EFUSE_M,
+			NO_PAIR, NO_PAIR, buf);
+	if (ret)
+		goto out;
+	ret = start_cal(phydev, TX_OFFSET, efs_valid, EFUSE_M,
+			NO_PAIR, NO_PAIR, buf);
+	if (ret)
+		goto out;
+	ret = start_cal(phydev, TX_AMP, efs_valid, EFUSE_M,
+			NO_PAIR, NO_PAIR, buf);
+	if (ret)
+		goto out;
+	ret = start_cal(phydev, TX_R50, efs_valid, EFUSE_M,
+			PAIR_A, PAIR_D, buf);
+	if (ret)
+		goto out;
+	ret = start_cal(phydev, TX_VCM, efs_valid, SW_M,
+			PAIR_A, PAIR_A, buf);
+	if (ret)
+		goto out;
+
+out:
+	kfree(buf);
+	return ret;
+}
+
+static int mt7981_phy_probe(struct phy_device *phydev)
+{
+	mt7981_phy_finetune(phydev);
+
+	return mt798x_phy_calibration(phydev);
+}
+
+static int mt7988_phy_probe(struct phy_device *phydev)
+{
+	struct device_node *np;
+	void __iomem *boottrap;
+	u32 reg;
+	int port;
+
+	/* Setup LED polarity according to boottrap's polarity */
+	np = of_find_compatible_node(NULL, NULL, "mediatek,boottrap");
+	if (!np)
+		return -ENOENT;
+	boottrap = of_iomap(np, 0);
+	if (!boottrap)
+		return -ENOMEM;
+	reg = readl(boottrap);
+	port = phydev->mdio.addr;
+	if ((port == GPHY_PORT0 && reg & BIT(8)) ||
+	    (port == GPHY_PORT1 && reg & BIT(9)) ||
+	    (port == GPHY_PORT2 && reg & BIT(10)) ||
+	    (port == GPHY_PORT3 && reg & BIT(11))) {
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_ON_CTRL,
+			      MTK_PHY_LED0_ENABLE | MTK_PHY_LED0_ON_LINK10 |
+			      MTK_PHY_LED0_ON_LINK100 |
+			      MTK_PHY_LED0_ON_LINK1000);
+	} else {
+		phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_ON_CTRL,
+			      MTK_PHY_LED0_ENABLE | MTK_PHY_LED0_POLARITY |
+			      MTK_PHY_LED0_ON_LINK10 |
+			      MTK_PHY_LED0_ON_LINK100 |
+			      MTK_PHY_LED0_ON_LINK1000);
+	}
+	phy_write_mmd(phydev, MDIO_MMD_VEND2, MTK_PHY_LED0_BLINK_CTRL,
+		      MTK_PHY_LED0_1000TX | MTK_PHY_LED0_1000RX |
+		      MTK_PHY_LED0_100TX  | MTK_PHY_LED0_100RX  |
+		      MTK_PHY_LED0_10TX   | MTK_PHY_LED0_10RX);
+
+	mt7988_phy_finetune(phydev);
+
+	return mt798x_phy_calibration(phydev);
+}
+#endif
+
 static struct phy_driver mtk_gephy_driver[] = {
 	{
 		PHY_ID_MATCH_EXACT(0x03a29412),
@@ -97,6 +1422,30 @@ static struct phy_driver mtk_gephy_drive
 		.read_page	= mtk_gephy_read_page,
 		.write_page	= mtk_gephy_write_page,
 	},
+#ifdef CONFIG_MEDIATEK_GE_PHY_SOC
+	{
+		PHY_ID_MATCH_EXACT(0x03a29461),
+		.name		= "MediaTek MT7981 PHY",
+		.probe		= mt7981_phy_probe,
+		.config_intr	= genphy_no_config_intr,
+		.handle_interrupt = genphy_handle_interrupt_no_ack,
+		.suspend	= genphy_suspend,
+		.resume		= genphy_resume,
+		.read_page	= mtk_gephy_read_page,
+		.write_page	= mtk_gephy_write_page,
+	},
+	{
+		PHY_ID_MATCH_EXACT(0x03a29481),
+		.name		= "MediaTek MT7988 PHY",
+		.probe		= mt7988_phy_probe,
+		.config_intr	= genphy_no_config_intr,
+		.handle_interrupt = genphy_handle_interrupt_no_ack,
+		.suspend	= genphy_suspend,
+		.resume		= genphy_resume,
+		.read_page	= mtk_gephy_read_page,
+		.write_page	= mtk_gephy_write_page,
+	},
+#endif
 };
 
 module_phy_driver(mtk_gephy_driver);
@@ -107,6 +1456,8 @@ static struct mdio_device_id __maybe_unu
 };
 
 MODULE_DESCRIPTION("MediaTek Gigabit Ethernet PHY driver");
+MODULE_AUTHOR("Daniel Golle <daniel@makrotopia.org>");
+MODULE_AUTHOR("SkyLake Huang <SkyLake.Huang@mediatek.com>");
 MODULE_AUTHOR("DENG, Qingfang <dqfext@gmail.com>");
 MODULE_LICENSE("GPL");