phy: intel: Remove Thunder Bay eMMC PHY support

Remove Thunder Bay specific code as the product got cancelled
and there are no end customers or users.

Signed-off-by: A, Rashmi <[e-mail]>
Reviewed-by: Hunter, Adrian <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/intel/Kconfig

···
 	select GENERIC_PHY
 	help
 	  Enable this to support the Intel EMMC PHY
-
-config PHY_INTEL_THUNDERBAY_EMMC
-        tristate "Intel Thunder Bay eMMC PHY driver"
-        depends on OF && (ARCH_THUNDERBAY || COMPILE_TEST)
-        select GENERIC_PHY
-        help
-	  This option enables support for Intel Thunder Bay SoC eMMC PHY.
-
-	  To compile this driver as a module, choose M here: the module
-	  will be called phy-intel-thunderbay-emmc.ko.

drivers/phy/intel/Makefile

···
 obj-$(CONFIG_PHY_INTEL_KEEMBAY_USB)	+= phy-intel-keembay-usb.o
 obj-$(CONFIG_PHY_INTEL_LGM_COMBO)	+= phy-intel-lgm-combo.o
 obj-$(CONFIG_PHY_INTEL_LGM_EMMC)	+= phy-intel-lgm-emmc.o
-obj-$(CONFIG_PHY_INTEL_THUNDERBAY_EMMC) += phy-intel-thunderbay-emmc.o

drivers/phy/intel/phy-intel-thunderbay-emmc.c

···
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Intel ThunderBay eMMC PHY driver
- *
- * Copyright (C) 2021 Intel Corporation
- *
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/phy/phy.h>
-#include <linux/platform_device.h>
-
-/* eMMC/SD/SDIO core/phy configuration registers */
-#define CTRL_CFG_0	0x00
-#define CTRL_CFG_1	0x04
-#define CTRL_PRESET_0	0x08
-#define CTRL_PRESET_1	0x0c
-#define CTRL_PRESET_2	0x10
-#define CTRL_PRESET_3	0x14
-#define CTRL_PRESET_4	0x18
-#define CTRL_CFG_2	0x1c
-#define CTRL_CFG_3	0x20
-#define PHY_CFG_0	0x24
-#define PHY_CFG_1	0x28
-#define PHY_CFG_2	0x2c
-#define PHYBIST_CTRL	0x30
-#define SDHC_STAT3	0x34
-#define PHY_STAT	0x38
-#define PHYBIST_STAT_0	0x3c
-#define PHYBIST_STAT_1	0x40
-#define EMMC_AXI        0x44
-
-/* CTRL_PRESET_3 */
-#define CTRL_PRESET3_MASK	GENMASK(31, 0)
-#define CTRL_PRESET3_SHIFT	0
-
-/* CTRL_CFG_0 bit fields */
-#define SUPPORT_HS_MASK		BIT(26)
-#define SUPPORT_HS_SHIFT	26
-
-#define SUPPORT_8B_MASK		BIT(24)
-#define SUPPORT_8B_SHIFT	24
-
-/* CTRL_CFG_1 bit fields */
-#define SUPPORT_SDR50_MASK	BIT(28)
-#define SUPPORT_SDR50_SHIFT	28
-#define SLOT_TYPE_MASK		GENMASK(27, 26)
-#define SLOT_TYPE_OFFSET	26
-#define SUPPORT_64B_MASK	BIT(24)
-#define SUPPORT_64B_SHIFT	24
-#define SUPPORT_HS400_MASK	BIT(2)
-#define SUPPORT_HS400_SHIFT	2
-#define SUPPORT_DDR50_MASK	BIT(1)
-#define SUPPORT_DDR50_SHIFT	1
-#define SUPPORT_SDR104_MASK	BIT(0)
-#define SUPPORT_SDR104_SHIFT	0
-
-/* PHY_CFG_0 bit fields */
-#define SEL_DLY_TXCLK_MASK      BIT(29)
-#define SEL_DLY_TXCLK_SHIFT	29
-#define SEL_DLY_RXCLK_MASK      BIT(28)
-#define SEL_DLY_RXCLK_SHIFT	28
-
-#define OTAP_DLY_ENA_MASK	BIT(27)
-#define OTAP_DLY_ENA_SHIFT	27
-#define OTAP_DLY_SEL_MASK	GENMASK(26, 23)
-#define OTAP_DLY_SEL_SHIFT	23
-#define ITAP_CHG_WIN_MASK	BIT(22)
-#define ITAP_CHG_WIN_SHIFT	22
-#define ITAP_DLY_ENA_MASK	BIT(21)
-#define ITAP_DLY_ENA_SHIFT	21
-#define ITAP_DLY_SEL_MASK	GENMASK(20, 16)
-#define ITAP_DLY_SEL_SHIFT	16
-#define RET_ENB_MASK		BIT(15)
-#define RET_ENB_SHIFT		15
-#define RET_EN_MASK		BIT(14)
-#define RET_EN_SHIFT		14
-#define DLL_IFF_MASK		GENMASK(13, 11)
-#define DLL_IFF_SHIFT		11
-#define DLL_EN_MASK		BIT(10)
-#define DLL_EN_SHIFT		10
-#define DLL_TRIM_ICP_MASK	GENMASK(9, 6)
-#define DLL_TRIM_ICP_SHIFT	6
-#define RETRIM_EN_MASK		BIT(5)
-#define RETRIM_EN_SHIFT		5
-#define RETRIM_MASK		BIT(4)
-#define RETRIM_SHIFT		4
-#define DR_TY_MASK		GENMASK(3, 1)
-#define DR_TY_SHIFT		1
-#define PWR_DOWN_MASK		BIT(0)
-#define PWR_DOWN_SHIFT		0
-
-/* PHY_CFG_1 bit fields */
-#define REN_DAT_MASK		GENMASK(19, 12)
-#define REN_DAT_SHIFT		12
-#define REN_CMD_MASK		BIT(11)
-#define REN_CMD_SHIFT		11
-#define REN_STRB_MASK		BIT(10)
-#define REN_STRB_SHIFT		10
-#define PU_STRB_MASK		BIT(20)
-#define PU_STRB_SHIFT		20
-
-/* PHY_CFG_2 bit fields */
-#define CLKBUF_MASK		GENMASK(24, 21)
-#define CLKBUF_SHIFT		21
-#define SEL_STRB_MASK		GENMASK(20, 13)
-#define SEL_STRB_SHIFT		13
-#define SEL_FREQ_MASK		GENMASK(12, 10)
-#define SEL_FREQ_SHIFT		10
-
-/* PHY_STAT bit fields */
-#define CAL_DONE		BIT(6)
-#define DLL_RDY			BIT(5)
-
-#define OTAP_DLY		0x0
-#define ITAP_DLY		0x0
-#define STRB			0x33
-
-/* From ACS_eMMC51_16nFFC_RO1100_Userguide_v1p0.pdf p17 */
-#define FREQSEL_200M_170M	0x0
-#define FREQSEL_170M_140M	0x1
-#define FREQSEL_140M_110M	0x2
-#define FREQSEL_110M_80M	0x3
-#define FREQSEL_80M_50M		0x4
-#define FREQSEL_275M_250M	0x5
-#define FREQSEL_250M_225M	0x6
-#define FREQSEL_225M_200M	0x7
-
-/* Phy power status */
-#define PHY_UNINITIALIZED	0
-#define PHY_INITIALIZED		1
-
-/*
- * During init(400KHz) phy_settings will be called with 200MHZ clock
- * To avoid incorrectly setting the phy for init(400KHZ) "phy_power_sts" is used.
- * When actual clock is set always phy is powered off once and then powered on.
- * (sdhci_arasan_set_clock). That feature will be used to identify whether the
- * settings are for init phy_power_on or actual clock phy_power_on
- * 0 --> init settings
- * 1 --> actual settings
- */
-
-struct thunderbay_emmc_phy {
-	void __iomem    *reg_base;
-	struct clk      *emmcclk;
-	int phy_power_sts;
-};
-
-static inline void update_reg(struct thunderbay_emmc_phy *tbh_phy, u32 offset,
-			      u32 mask, u32 shift, u32 val)
-{
-	u32 tmp;
-
-	tmp = readl(tbh_phy->reg_base + offset);
-	tmp &= ~mask;
-	tmp |= val << shift;
-	writel(tmp, tbh_phy->reg_base + offset);
-}
-
-static int thunderbay_emmc_phy_power(struct phy *phy, bool power_on)
-{
-	struct thunderbay_emmc_phy *tbh_phy = phy_get_drvdata(phy);
-	unsigned int freqsel = FREQSEL_200M_170M;
-	unsigned long rate;
-	static int lock;
-	u32 val;
-	int ret;
-
-	/* Disable DLL */
-	rate = clk_get_rate(tbh_phy->emmcclk);
-	switch (rate) {
-	case 200000000:
-		/* lock dll only when it is used, i.e only if SEL_DLY_TXCLK/RXCLK are 0 */
-		update_reg(tbh_phy, PHY_CFG_0, DLL_EN_MASK, DLL_EN_SHIFT, 0x0);
-		break;
-
-	/* dll lock not required for other frequencies */
-	case 50000000 ... 52000000:
-	case 400000:
-	default:
-		break;
-	}
-
-	if (!power_on)
-		return 0;
-
-	rate = clk_get_rate(tbh_phy->emmcclk);
-	switch (rate) {
-	case 170000001 ... 200000000:
-		freqsel = FREQSEL_200M_170M;
-		break;
-
-	case 140000001 ... 170000000:
-		freqsel = FREQSEL_170M_140M;
-		break;
-
-	case 110000001 ... 140000000:
-		freqsel = FREQSEL_140M_110M;
-		break;
-
-	case 80000001 ... 110000000:
-		freqsel = FREQSEL_110M_80M;
-		break;
-
-	case 50000000 ... 80000000:
-		freqsel = FREQSEL_80M_50M;
-		break;
-
-	case 250000001 ... 275000000:
-		freqsel = FREQSEL_275M_250M;
-		break;
-
-	case 225000001 ... 250000000:
-		freqsel = FREQSEL_250M_225M;
-		break;
-
-	case 200000001 ... 225000000:
-		freqsel = FREQSEL_225M_200M;
-		break;
-	default:
-		break;
-	}
-	/* Clock rate is checked against upper limit. It may fall low during init */
-	if (rate > 200000000)
-		dev_warn(&phy->dev, "Unsupported rate: %lu\n", rate);
-
-	udelay(5);
-
-	if (lock == 0) {
-		/* PDB will be done only once per boot */
-		update_reg(tbh_phy, PHY_CFG_0, PWR_DOWN_MASK,
-			   PWR_DOWN_SHIFT, 0x1);
-		lock = 1;
-		/*
-		 * According to the user manual, it asks driver to wait 5us for
-		 * calpad busy trimming. However it is documented that this value is
-		 * PVT(A.K.A. process, voltage and temperature) relevant, so some
-		 * failure cases are found which indicates we should be more tolerant
-		 * to calpad busy trimming.
-		 */
-		ret = readl_poll_timeout(tbh_phy->reg_base + PHY_STAT,
-					 val, (val & CAL_DONE), 10, 50);
-		if (ret) {
-			dev_err(&phy->dev, "caldone failed, ret=%d\n", ret);
-			return ret;
-		}
-	}
-	rate = clk_get_rate(tbh_phy->emmcclk);
-	switch (rate) {
-	case 200000000:
-		/* Set frequency of the DLL operation */
-		update_reg(tbh_phy, PHY_CFG_2, SEL_FREQ_MASK, SEL_FREQ_SHIFT, freqsel);
-
-		/* Enable DLL */
-		update_reg(tbh_phy, PHY_CFG_0, DLL_EN_MASK, DLL_EN_SHIFT, 0x1);
-
-		/*
-		 * After enabling analog DLL circuits docs say that we need 10.2 us if
-		 * our source clock is at 50 MHz and that lock time scales linearly
-		 * with clock speed. If we are powering on the PHY and the card clock
-		 * is super slow (like 100kHz) this could take as long as 5.1 ms as
-		 * per the math: 10.2 us * (50000000 Hz / 100000 Hz) => 5.1 ms
-		 * hopefully we won't be running at 100 kHz, but we should still make
-		 * sure we wait long enough.
-		 *
-		 * NOTE: There appear to be corner cases where the DLL seems to take
-		 * extra long to lock for reasons that aren't understood. In some
-		 * extreme cases we've seen it take up to over 10ms (!). We'll be
-		 * generous and give it 50ms.
-		 */
-		ret = readl_poll_timeout(tbh_phy->reg_base + PHY_STAT,
-					 val, (val & DLL_RDY), 10, 50 * USEC_PER_MSEC);
-		if (ret) {
-			dev_err(&phy->dev, "dllrdy failed, ret=%d\n", ret);
-			return ret;
-		}
-		break;
-
-	default:
-		break;
-	}
-	return 0;
-}
-
-static int thunderbay_emmc_phy_init(struct phy *phy)
-{
-	struct thunderbay_emmc_phy *tbh_phy = phy_get_drvdata(phy);
-
-	tbh_phy->emmcclk = clk_get(&phy->dev, "emmcclk");
-
-	return PTR_ERR_OR_ZERO(tbh_phy->emmcclk);
-}
-
-static int thunderbay_emmc_phy_exit(struct phy *phy)
-{
-	struct thunderbay_emmc_phy *tbh_phy = phy_get_drvdata(phy);
-
-	clk_put(tbh_phy->emmcclk);
-
-	return 0;
-}
-
-static int thunderbay_emmc_phy_power_on(struct phy *phy)
-{
-	struct thunderbay_emmc_phy *tbh_phy = phy_get_drvdata(phy);
-	unsigned long rate;
-
-	/* Overwrite capability bits configurable in bootloader */
-	update_reg(tbh_phy, CTRL_CFG_0,
-		   SUPPORT_HS_MASK, SUPPORT_HS_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_0,
-		   SUPPORT_8B_MASK, SUPPORT_8B_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_1,
-		   SUPPORT_SDR50_MASK, SUPPORT_SDR50_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_1,
-		   SUPPORT_DDR50_MASK, SUPPORT_DDR50_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_1,
-		   SUPPORT_SDR104_MASK, SUPPORT_SDR104_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_1,
-		   SUPPORT_HS400_MASK, SUPPORT_HS400_SHIFT, 0x1);
-	update_reg(tbh_phy, CTRL_CFG_1,
-		   SUPPORT_64B_MASK, SUPPORT_64B_SHIFT, 0x1);
-
-	if (tbh_phy->phy_power_sts == PHY_UNINITIALIZED) {
-		/* Indicates initialization, settings for init, same as 400KHZ setting */
-		update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_TXCLK_MASK, SEL_DLY_TXCLK_SHIFT, 0x1);
-		update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_RXCLK_MASK, SEL_DLY_RXCLK_SHIFT, 0x1);
-		update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_ENA_MASK, ITAP_DLY_ENA_SHIFT, 0x0);
-		update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_SEL_MASK, ITAP_DLY_SEL_SHIFT, 0x0);
-		update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_ENA_MASK, OTAP_DLY_ENA_SHIFT, 0x0);
-		update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_SEL_MASK, OTAP_DLY_SEL_SHIFT, 0);
-		update_reg(tbh_phy, PHY_CFG_0, DLL_TRIM_ICP_MASK, DLL_TRIM_ICP_SHIFT, 0);
-		update_reg(tbh_phy, PHY_CFG_0, DR_TY_MASK, DR_TY_SHIFT, 0x1);
-
-	} else if (tbh_phy->phy_power_sts == PHY_INITIALIZED) {
-		/* Indicates actual clock setting */
-		rate = clk_get_rate(tbh_phy->emmcclk);
-		switch (rate) {
-		case 200000000:
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_TXCLK_MASK,
-				   SEL_DLY_TXCLK_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_RXCLK_MASK,
-				   SEL_DLY_RXCLK_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_ENA_MASK,
-				   ITAP_DLY_ENA_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_SEL_MASK,
-				   ITAP_DLY_SEL_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_ENA_MASK,
-				   OTAP_DLY_ENA_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_SEL_MASK,
-				   OTAP_DLY_SEL_SHIFT, 2);
-			update_reg(tbh_phy, PHY_CFG_0, DLL_TRIM_ICP_MASK,
-				   DLL_TRIM_ICP_SHIFT, 0x8);
-			update_reg(tbh_phy, PHY_CFG_0, DR_TY_MASK,
-				   DR_TY_SHIFT, 0x1);
-			/* For HS400 only */
-			update_reg(tbh_phy, PHY_CFG_2, SEL_STRB_MASK,
-				   SEL_STRB_SHIFT, STRB);
-			break;
-
-		case 50000000 ... 52000000:
-			/* For both HS and DDR52 this setting works */
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_TXCLK_MASK,
-				   SEL_DLY_TXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_RXCLK_MASK,
-				   SEL_DLY_RXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_ENA_MASK,
-				   ITAP_DLY_ENA_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_SEL_MASK,
-				   ITAP_DLY_SEL_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_ENA_MASK,
-				   OTAP_DLY_ENA_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_SEL_MASK,
-				   OTAP_DLY_SEL_SHIFT, 4);
-			update_reg(tbh_phy, PHY_CFG_0, DLL_TRIM_ICP_MASK,
-				   DLL_TRIM_ICP_SHIFT, 0x8);
-			update_reg(tbh_phy, PHY_CFG_0,
-				   DR_TY_MASK, DR_TY_SHIFT, 0x1);
-			break;
-
-		case 400000:
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_TXCLK_MASK,
-				   SEL_DLY_TXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_RXCLK_MASK,
-				   SEL_DLY_RXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_ENA_MASK,
-				   ITAP_DLY_ENA_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_SEL_MASK,
-				   ITAP_DLY_SEL_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_ENA_MASK,
-				   OTAP_DLY_ENA_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_SEL_MASK,
-				   OTAP_DLY_SEL_SHIFT, 0);
-			update_reg(tbh_phy, PHY_CFG_0, DLL_TRIM_ICP_MASK,
-				   DLL_TRIM_ICP_SHIFT, 0);
-			update_reg(tbh_phy, PHY_CFG_0, DR_TY_MASK, DR_TY_SHIFT, 0x1);
-			break;
-
-		default:
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_TXCLK_MASK,
-				   SEL_DLY_TXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, SEL_DLY_RXCLK_MASK,
-				   SEL_DLY_RXCLK_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_ENA_MASK,
-				   ITAP_DLY_ENA_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, ITAP_DLY_SEL_MASK,
-				   ITAP_DLY_SEL_SHIFT, 0x0);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_ENA_MASK,
-				   OTAP_DLY_ENA_SHIFT, 0x1);
-			update_reg(tbh_phy, PHY_CFG_0, OTAP_DLY_SEL_MASK,
-				   OTAP_DLY_SEL_SHIFT, 2);
-			update_reg(tbh_phy, PHY_CFG_0, DLL_TRIM_ICP_MASK,
-				   DLL_TRIM_ICP_SHIFT, 0x8);
-			update_reg(tbh_phy, PHY_CFG_0, DR_TY_MASK,
-				   DR_TY_SHIFT, 0x1);
-			break;
-		}
-		/* Reset, init seq called without phy_power_off, this indicates init seq */
-		tbh_phy->phy_power_sts = PHY_UNINITIALIZED;
-	}
-
-	update_reg(tbh_phy, PHY_CFG_0, RETRIM_EN_MASK, RETRIM_EN_SHIFT, 0x1);
-	update_reg(tbh_phy, PHY_CFG_0, RETRIM_MASK, RETRIM_SHIFT, 0x0);
-
-	return thunderbay_emmc_phy_power(phy, 1);
-}
-
-static int thunderbay_emmc_phy_power_off(struct phy *phy)
-{
-	struct thunderbay_emmc_phy *tbh_phy = phy_get_drvdata(phy);
-
-	tbh_phy->phy_power_sts = PHY_INITIALIZED;
-
-	return thunderbay_emmc_phy_power(phy, 0);
-}
-
-static const struct phy_ops thunderbay_emmc_phy_ops = {
-	.init		= thunderbay_emmc_phy_init,
-	.exit		= thunderbay_emmc_phy_exit,
-	.power_on	= thunderbay_emmc_phy_power_on,
-	.power_off	= thunderbay_emmc_phy_power_off,
-	.owner		= THIS_MODULE,
-};
-
-static const struct of_device_id thunderbay_emmc_phy_of_match[] = {
-	{ .compatible = "intel,thunderbay-emmc-phy",
-		(void *)&thunderbay_emmc_phy_ops },
-	{}
-};
-MODULE_DEVICE_TABLE(of, thunderbay_emmc_phy_of_match);
-
-static int thunderbay_emmc_phy_probe(struct platform_device *pdev)
-{
-	struct thunderbay_emmc_phy *tbh_phy;
-	struct phy_provider *phy_provider;
-	struct device *dev = &pdev->dev;
-	const struct of_device_id *id;
-	struct phy *generic_phy;
-	struct resource *res;
-
-	if (!dev->of_node)
-		return -ENODEV;
-
-	tbh_phy = devm_kzalloc(dev, sizeof(*tbh_phy), GFP_KERNEL);
-	if (!tbh_phy)
-		return -ENOMEM;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	tbh_phy->reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(tbh_phy->reg_base))
-		return PTR_ERR(tbh_phy->reg_base);
-
-	tbh_phy->phy_power_sts = PHY_UNINITIALIZED;
-	id = of_match_node(thunderbay_emmc_phy_of_match, pdev->dev.of_node);
-	if (!id) {
-		dev_err(dev, "failed to get match_node\n");
-		return -EINVAL;
-	}
-
-	generic_phy = devm_phy_create(dev, dev->of_node, id->data);
-	if (IS_ERR(generic_phy)) {
-		dev_err(dev, "failed to create PHY\n");
-		return PTR_ERR(generic_phy);
-	}
-
-	phy_set_drvdata(generic_phy, tbh_phy);
-	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-
-	return PTR_ERR_OR_ZERO(phy_provider);
-}
-
-static struct platform_driver thunderbay_emmc_phy_driver = {
-	.probe		 = thunderbay_emmc_phy_probe,
-	.driver		 = {
-		.name	 = "thunderbay-emmc-phy",
-		.of_match_table = thunderbay_emmc_phy_of_match,
-	},
-};
-module_platform_driver(thunderbay_emmc_phy_driver);
-
-MODULE_AUTHOR("Nandhini S <[e-mail]>");
-MODULE_AUTHOR("Rashmi A <[e-mail]>");
-MODULE_DESCRIPTION("Intel Thunder Bay eMMC PHY driver");
-MODULE_LICENSE("GPL v2");