diff --git a/drivers/usb/tcpm/Kconfig b/drivers/usb/tcpm/Kconfig
index 55bf8e202b9..9be4b496e82 100644
--- a/drivers/usb/tcpm/Kconfig
+++ b/drivers/usb/tcpm/Kconfig
@@ -6,3 +6,11 @@ config TYPEC_TCPM
 	help
 	  The Type-C Port Controller Manager provides a USB PD and USB Type-C
 	  state machine for use with Type-C Port Controllers.
+
+config TYPEC_FUSB302
+	tristate "Fairchild FUSB302 Type-C chip driver"
+	depends on DM && DM_I2C && TYPEC_TCPM
+	help
+	  The Fairchild FUSB302 Type-C chip driver that works with
+	  Type-C Port Controller Manager to provide USB PD and USB
+	  Type-C functionalities.
diff --git a/drivers/usb/tcpm/Makefile b/drivers/usb/tcpm/Makefile
index a0f76436f3f..668d33155bf 100644
--- a/drivers/usb/tcpm/Makefile
+++ b/drivers/usb/tcpm/Makefile
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
 
 obj-$(CONFIG_TYPEC_TCPM) += tcpm.o tcpm-uclass.o
+obj-$(CONFIG_TYPEC_FUSB302) += fusb302.o
diff --git a/drivers/usb/tcpm/fusb302.c b/drivers/usb/tcpm/fusb302.c
new file mode 100644
index 00000000000..fe93ff3d339
--- /dev/null
+++ b/drivers/usb/tcpm/fusb302.c
@@ -0,0 +1,1323 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2016-2017 Google, Inc
+ *
+ * Fairchild FUSB302 Type-C Chip Driver
+ */
+
+#include <dm.h>
+#include <i2c.h>
+#include <asm/gpio.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <dm/device_compat.h>
+#include <usb/tcpm.h>
+#include "fusb302_reg.h"
+
+#define FUSB302_MAX_MSG_LEN 0x1F
+
+enum toggling_mode {
+	TOGGLING_MODE_OFF,
+	TOGGLING_MODE_DRP,
+	TOGGLING_MODE_SNK,
+	TOGGLING_MODE_SRC,
+};
+
+enum src_current_status {
+	SRC_CURRENT_DEFAULT,
+	SRC_CURRENT_MEDIUM,
+	SRC_CURRENT_HIGH,
+};
+
+static const u8 ra_mda_value[] = {
+	[SRC_CURRENT_DEFAULT] = 4,	/* 210mV */
+	[SRC_CURRENT_MEDIUM] = 9,	/* 420mV */
+	[SRC_CURRENT_HIGH] = 18,	/* 798mV */
+};
+
+static const u8 rd_mda_value[] = {
+	[SRC_CURRENT_DEFAULT] = 38,	/* 1638mV */
+	[SRC_CURRENT_MEDIUM] = 38,	/* 1638mV */
+	[SRC_CURRENT_HIGH] = 61,	/* 2604mV */
+};
+
+struct fusb302_chip {
+	enum toggling_mode toggling_mode;
+	enum src_current_status src_current_status;
+	bool intr_togdone;
+	bool intr_bc_lvl;
+	bool intr_comp_chng;
+
+	/* port status */
+	bool vconn_on;
+	bool vbus_present;
+	enum typec_cc_polarity cc_polarity;
+	enum typec_cc_status cc1;
+	enum typec_cc_status cc2;
+};
+
+static int fusb302_i2c_write(struct udevice *dev, u8 address, u8 data)
+{
+	int ret;
+
+	ret = dm_i2c_write(dev, address, &data, 1);
+	if (ret)
+		dev_err(dev, "cannot write 0x%02x to 0x%02x, ret=%d\n",
+			data, address, ret);
+
+	return ret;
+}
+
+static int fusb302_i2c_block_write(struct udevice *dev, u8 address,
+				   u8 length, const u8 *data)
+{
+	int ret;
+
+	if (!length)
+		return 0;
+
+	ret = dm_i2c_write(dev, address, data, length);
+	if (ret)
+		dev_err(dev, "cannot block write 0x%02x, len=%d, ret=%d\n",
+			address, length, ret);
+
+	return ret;
+}
+
+static int fusb302_i2c_read(struct udevice *dev, u8 address, u8 *data)
+{
+	int ret, retries;
+
+	for (retries = 0; retries < 3; retries++) {
+		ret = dm_i2c_read(dev, address, data, 1);
+		if (ret == 0)
+			return ret;
+		dev_err(dev, "cannot read %02x, ret=%d\n", address, ret);
+	}
+
+	return ret;
+}
+
+static int fusb302_i2c_block_read(struct udevice *dev, u8 address,
+				  u8 length, u8 *data)
+{
+	int ret;
+
+	if (!length)
+		return 0;
+
+	ret = dm_i2c_read(dev, address, data, length);
+	if (ret)
+		dev_err(dev, "cannot block read 0x%02x, len=%d, ret=%d\n",
+			address, length, ret);
+	return ret;
+}
+
+static int fusb302_i2c_mask_write(struct udevice *dev, u8 address,
+				  u8 mask, u8 value)
+{
+	int ret;
+	u8 data;
+
+	ret = fusb302_i2c_read(dev, address, &data);
+	if (ret)
+		return ret;
+	data &= ~mask;
+	data |= value;
+	ret = fusb302_i2c_write(dev, address, data);
+	if (ret)
+		return ret;
+
+	return ret;
+}
+
+static int fusb302_i2c_set_bits(struct udevice *dev, u8 address, u8 set_bits)
+{
+	return fusb302_i2c_mask_write(dev, address, 0x00, set_bits);
+}
+
+static int fusb302_i2c_clear_bits(struct udevice *dev, u8 address, u8 clear_bits)
+{
+	return fusb302_i2c_mask_write(dev, address, clear_bits, 0x00);
+}
+
+static int fusb302_sw_reset(struct udevice *dev)
+{
+	int ret = fusb302_i2c_write(dev, FUSB_REG_RESET, FUSB_REG_RESET_SW_RESET);
+
+	if (ret)
+		dev_err(dev, "cannot sw reset the fusb302: %d\n", ret);
+
+	return ret;
+}
+
+static int fusb302_enable_tx_auto_retries(struct udevice *dev, u8 retry_count)
+{
+	int ret;
+
+	ret = fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL3, retry_count |
+				   FUSB_REG_CONTROL3_AUTO_RETRY);
+
+	return ret;
+}
+
+/*
+ * mask all interrupt on the chip
+ */
+static int fusb302_mask_interrupt(struct udevice *dev)
+{
+	int ret;
+
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASK, 0xFF);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASKA, 0xFF);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASKB, 0xFF);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL0,
+				   FUSB_REG_CONTROL0_INT_MASK);
+		return ret;
+}
+
+/*
+ * initialize interrupt on the chip
+ * - unmasked interrupt: VBUS_OK
+ */
+static int fusb302_init_interrupt(struct udevice *dev)
+{
+	int ret;
+
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASK,
+				0xFF & ~FUSB_REG_MASK_VBUSOK);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASKA, 0xFF);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_write(dev, FUSB_REG_MASKB, 0xFF);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_clear_bits(dev, FUSB_REG_CONTROL0,
+				     FUSB_REG_CONTROL0_INT_MASK);
+	return ret;
+}
+
+static int fusb302_set_power_mode(struct udevice *dev, u8 power_mode)
+{
+	int ret;
+
+	ret = fusb302_i2c_write(dev, FUSB_REG_POWER, power_mode);
+
+	return ret;
+}
+
+static int fusb302_init(struct udevice *dev)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+	u8 data;
+
+	ret = fusb302_sw_reset(dev);
+	if (ret)
+		return ret;
+	ret = fusb302_enable_tx_auto_retries(dev, FUSB_REG_CONTROL3_N_RETRIES_3);
+	if (ret)
+		return ret;
+	ret = fusb302_init_interrupt(dev);
+	if (ret)
+		return ret;
+	ret = fusb302_set_power_mode(dev, FUSB_REG_POWER_PWR_ALL);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &data);
+	if (ret)
+		return ret;
+	chip->vbus_present = !!(data & FUSB_REG_STATUS0_VBUSOK);
+	ret = fusb302_i2c_read(dev, FUSB_REG_DEVICE_ID, &data);
+	if (ret)
+		return ret;
+	dev_info(dev, "fusb302 device ID: 0x%02x\n", data);
+
+	return ret;
+}
+
+static int fusb302_get_vbus(struct udevice *dev)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+
+	return chip->vbus_present ? 1 : 0;
+}
+
+static int fusb302_set_src_current(struct udevice *dev,
+				   enum src_current_status status)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+
+	chip->src_current_status = status;
+	switch (status) {
+	case SRC_CURRENT_DEFAULT:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL0,
+					     FUSB_REG_CONTROL0_HOST_CUR_MASK,
+					     FUSB_REG_CONTROL0_HOST_CUR_DEF);
+		break;
+	case SRC_CURRENT_MEDIUM:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL0,
+					     FUSB_REG_CONTROL0_HOST_CUR_MASK,
+					     FUSB_REG_CONTROL0_HOST_CUR_MED);
+		break;
+	case SRC_CURRENT_HIGH:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL0,
+					     FUSB_REG_CONTROL0_HOST_CUR_MASK,
+					     FUSB_REG_CONTROL0_HOST_CUR_HIGH);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int fusb302_set_toggling(struct udevice *dev,
+				enum toggling_mode mode)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+
+	/* first disable toggling */
+	ret = fusb302_i2c_clear_bits(dev, FUSB_REG_CONTROL2,
+				     FUSB_REG_CONTROL2_TOGGLE);
+	if (ret)
+		return ret;
+	/* mask interrupts for SRC or SNK */
+	ret = fusb302_i2c_set_bits(dev, FUSB_REG_MASK,
+				   FUSB_REG_MASK_BC_LVL |
+				   FUSB_REG_MASK_COMP_CHNG);
+	if (ret)
+		return ret;
+	chip->intr_bc_lvl = false;
+	chip->intr_comp_chng = false;
+	/* configure toggling mode: none/snk/src/drp */
+	switch (mode) {
+	case TOGGLING_MODE_OFF:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL2,
+					     FUSB_REG_CONTROL2_MODE_MASK,
+					     FUSB_REG_CONTROL2_MODE_NONE);
+		break;
+	case TOGGLING_MODE_SNK:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL2,
+					     FUSB_REG_CONTROL2_MODE_MASK,
+					     FUSB_REG_CONTROL2_MODE_UFP);
+		break;
+	case TOGGLING_MODE_SRC:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL2,
+					     FUSB_REG_CONTROL2_MODE_MASK,
+					     FUSB_REG_CONTROL2_MODE_DFP);
+		break;
+	case TOGGLING_MODE_DRP:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_CONTROL2,
+					     FUSB_REG_CONTROL2_MODE_MASK,
+					     FUSB_REG_CONTROL2_MODE_DRP);
+		break;
+	default:
+		break;
+	}
+
+	if (ret)
+		return ret;
+
+	if (mode == TOGGLING_MODE_OFF) {
+		/* mask TOGDONE interrupt */
+		ret = fusb302_i2c_set_bits(dev, FUSB_REG_MASKA,
+					   FUSB_REG_MASKA_TOGDONE);
+		if (ret)
+			return ret;
+		chip->intr_togdone = false;
+	} else {
+		/* Datasheet says vconn MUST be off when toggling */
+		if (chip->vconn_on)
+			dev_warn(dev, "Vconn is on during toggle start\n");
+		/* unmask TOGDONE interrupt */
+		ret = fusb302_i2c_clear_bits(dev, FUSB_REG_MASKA,
+					     FUSB_REG_MASKA_TOGDONE);
+		if (ret)
+			return ret;
+		chip->intr_togdone = true;
+		/* start toggling */
+		ret = fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL2,
+					   FUSB_REG_CONTROL2_TOGGLE);
+		if (ret)
+			return ret;
+		/* during toggling, consider cc as Open */
+		chip->cc1 = TYPEC_CC_OPEN;
+		chip->cc2 = TYPEC_CC_OPEN;
+	}
+	chip->toggling_mode = mode;
+
+	return ret;
+}
+
+static const enum src_current_status cc_src_current[] = {
+	[TYPEC_CC_OPEN]		= SRC_CURRENT_DEFAULT,
+	[TYPEC_CC_RA]		= SRC_CURRENT_DEFAULT,
+	[TYPEC_CC_RD]		= SRC_CURRENT_DEFAULT,
+	[TYPEC_CC_RP_DEF]	= SRC_CURRENT_DEFAULT,
+	[TYPEC_CC_RP_1_5]	= SRC_CURRENT_MEDIUM,
+	[TYPEC_CC_RP_3_0]	= SRC_CURRENT_HIGH,
+};
+
+static int fusb302_set_cc(struct udevice *dev, enum typec_cc_status cc)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	const u8 switches0_mask = FUSB_REG_SWITCHES0_CC1_PU_EN |
+				  FUSB_REG_SWITCHES0_CC2_PU_EN |
+				  FUSB_REG_SWITCHES0_CC1_PD_EN |
+				  FUSB_REG_SWITCHES0_CC2_PD_EN;
+	u8 rd_mda, switches0_data = 0x00;
+	int ret;
+
+	switch (cc) {
+	case TYPEC_CC_OPEN:
+		break;
+	case TYPEC_CC_RD:
+		switches0_data |= FUSB_REG_SWITCHES0_CC1_PD_EN |
+				  FUSB_REG_SWITCHES0_CC2_PD_EN;
+		break;
+	case TYPEC_CC_RP_DEF:
+	case TYPEC_CC_RP_1_5:
+	case TYPEC_CC_RP_3_0:
+		switches0_data |= (chip->cc_polarity == TYPEC_POLARITY_CC1) ?
+				  FUSB_REG_SWITCHES0_CC1_PU_EN :
+				  FUSB_REG_SWITCHES0_CC2_PU_EN;
+		break;
+	default:
+		dev_err(dev, "unsupported CC value: %s\n",
+			typec_cc_status_name[cc]);
+		ret = -EINVAL;
+		goto done;
+	}
+
+	ret = fusb302_set_toggling(dev, TOGGLING_MODE_OFF);
+	if (ret) {
+		dev_err(dev, "cannot set toggling mode: %d\n", ret);
+		goto done;
+	}
+
+	ret = fusb302_i2c_mask_write(dev, FUSB_REG_SWITCHES0,
+				     switches0_mask, switches0_data);
+	if (ret) {
+		dev_err(dev, "cannot set pull-up/-down: %d\n", ret);
+		goto done;
+	}
+	/* reset the cc status */
+	chip->cc1 = TYPEC_CC_OPEN;
+	chip->cc2 = TYPEC_CC_OPEN;
+
+	/* adjust current for SRC */
+	ret = fusb302_set_src_current(dev, cc_src_current[cc]);
+	if (ret) {
+		dev_err(dev, "cannot set src current %s: %d\n",
+			typec_cc_status_name[cc], ret);
+		goto done;
+	}
+
+	/* enable/disable interrupts, BC_LVL for SNK and COMP_CHNG for SRC */
+	switch (cc) {
+	case TYPEC_CC_RP_DEF:
+	case TYPEC_CC_RP_1_5:
+	case TYPEC_CC_RP_3_0:
+		rd_mda = rd_mda_value[cc_src_current[cc]];
+		ret = fusb302_i2c_write(dev, FUSB_REG_MEASURE, rd_mda);
+		if (ret) {
+			dev_err(dev, "cannot set SRC measure value: %d\n", ret);
+			goto done;
+		}
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_MASK,
+					     FUSB_REG_MASK_BC_LVL |
+					     FUSB_REG_MASK_COMP_CHNG,
+					     FUSB_REG_MASK_BC_LVL);
+		if (ret) {
+			dev_err(dev, "cannot set SRC irq: %d\n", ret);
+			goto done;
+		}
+		chip->intr_comp_chng = true;
+		break;
+	case TYPEC_CC_RD:
+		ret = fusb302_i2c_mask_write(dev, FUSB_REG_MASK,
+					     FUSB_REG_MASK_BC_LVL |
+					     FUSB_REG_MASK_COMP_CHNG,
+					     FUSB_REG_MASK_COMP_CHNG);
+		if (ret) {
+			dev_err(dev, "cannot set SRC irq: %d\n", ret);
+			goto done;
+		}
+		chip->intr_bc_lvl = true;
+		break;
+	default:
+		break;
+	}
+done:
+	return ret;
+}
+
+static int fusb302_get_cc(struct udevice *dev, enum typec_cc_status *cc1,
+			  enum typec_cc_status *cc2)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+
+	*cc1 = chip->cc1;
+	*cc2 = chip->cc2;
+	dev_dbg(dev, "get cc1 = %s, cc2 = %s\n", typec_cc_status_name[*cc1],
+		typec_cc_status_name[*cc2]);
+
+	return 0;
+}
+
+static int fusb302_set_vconn(struct udevice *dev, bool on)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+	u8 switches0_data = 0x00;
+	u8 switches0_mask = FUSB_REG_SWITCHES0_VCONN_CC1 |
+			    FUSB_REG_SWITCHES0_VCONN_CC2;
+
+	if (chip->vconn_on == on) {
+		ret = 0;
+		dev_dbg(dev, "vconn is already %s\n", on ? "on" : "off");
+		goto done;
+	}
+	if (on) {
+		switches0_data = (chip->cc_polarity == TYPEC_POLARITY_CC1) ?
+				 FUSB_REG_SWITCHES0_VCONN_CC2 :
+				 FUSB_REG_SWITCHES0_VCONN_CC1;
+	}
+	ret = fusb302_i2c_mask_write(dev, FUSB_REG_SWITCHES0,
+				     switches0_mask, switches0_data);
+	if (ret)
+		goto done;
+	dev_dbg(dev, "set vconn = %s\n", on ? "on" : "off");
+done:
+	return ret;
+}
+
+static int fusb302_set_vbus(struct udevice *dev, bool on, bool charge)
+{
+	return 0;
+}
+
+static int fusb302_pd_tx_flush(struct udevice *dev)
+{
+	return fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL0,
+				    FUSB_REG_CONTROL0_TX_FLUSH);
+}
+
+static int fusb302_pd_rx_flush(struct udevice *dev)
+{
+	return fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL1,
+				    FUSB_REG_CONTROL1_RX_FLUSH);
+}
+
+static int fusb302_pd_set_auto_goodcrc(struct udevice *dev, bool on)
+{
+	if (on)
+		return fusb302_i2c_set_bits(dev, FUSB_REG_SWITCHES1,
+					    FUSB_REG_SWITCHES1_AUTO_GCRC);
+	return fusb302_i2c_clear_bits(dev, FUSB_REG_SWITCHES1,
+				      FUSB_REG_SWITCHES1_AUTO_GCRC);
+}
+
+static int fusb302_pd_set_interrupts(struct udevice *dev, bool on)
+{
+	int ret;
+	u8 mask_interrupts = FUSB_REG_MASK_COLLISION;
+	u8 maska_interrupts = FUSB_REG_MASKA_RETRYFAIL |
+			      FUSB_REG_MASKA_HARDSENT |
+			      FUSB_REG_MASKA_TX_SUCCESS |
+			      FUSB_REG_MASKA_HARDRESET;
+	u8 maskb_interrupts = FUSB_REG_MASKB_GCRCSENT;
+
+	ret = on ?
+		fusb302_i2c_clear_bits(dev, FUSB_REG_MASK, mask_interrupts) :
+		fusb302_i2c_set_bits(dev, FUSB_REG_MASK, mask_interrupts);
+	if (ret)
+		return ret;
+	ret = on ?
+		fusb302_i2c_clear_bits(dev, FUSB_REG_MASKA, maska_interrupts) :
+		fusb302_i2c_set_bits(dev, FUSB_REG_MASKA, maska_interrupts);
+	if (ret)
+		return ret;
+	ret = on ?
+		fusb302_i2c_clear_bits(dev, FUSB_REG_MASKB, maskb_interrupts) :
+		fusb302_i2c_set_bits(dev, FUSB_REG_MASKB, maskb_interrupts);
+	return ret;
+}
+
+static int fusb302_set_pd_rx(struct udevice *dev, bool on)
+{
+	int ret;
+
+	ret = fusb302_pd_rx_flush(dev);
+	if (ret) {
+		dev_err(dev, "cannot flush pd rx buffer: %d\n", ret);
+		goto done;
+	}
+	ret = fusb302_pd_tx_flush(dev);
+	if (ret) {
+		dev_err(dev, "cannot flush pd tx buffer: %d\n", ret);
+		goto done;
+	}
+	ret = fusb302_pd_set_auto_goodcrc(dev, on);
+	if (ret) {
+		dev_err(dev, "cannot turn %s auto GoodCRC: %d\n",
+			on ? "on" : "off", ret);
+		goto done;
+	}
+	ret = fusb302_pd_set_interrupts(dev, on);
+	if (ret) {
+		dev_err(dev, "cannot turn %s pd interrupts: %d\n",
+			on ? "on" : "off", ret);
+		goto done;
+	}
+	dev_dbg(dev, "set pd RX %s\n", on ? "on" : "off");
+done:
+	return ret;
+}
+
+static int fusb302_set_roles(struct udevice *dev, bool attached,
+			     enum typec_role pwr, enum typec_data_role data)
+{
+	int ret;
+	u8 switches1_mask = FUSB_REG_SWITCHES1_POWERROLE |
+			    FUSB_REG_SWITCHES1_DATAROLE;
+	u8 switches1_data = 0x00;
+
+	if (pwr == TYPEC_SOURCE)
+		switches1_data |= FUSB_REG_SWITCHES1_POWERROLE;
+	if (data == TYPEC_HOST)
+		switches1_data |= FUSB_REG_SWITCHES1_DATAROLE;
+	ret = fusb302_i2c_mask_write(dev, FUSB_REG_SWITCHES1,
+				     switches1_mask, switches1_data);
+	if (ret) {
+		dev_err(dev, "unable to set pd header %s, %s, ret=%d\n",
+			typec_role_name[pwr], typec_data_role_name[data], ret);
+		goto done;
+	}
+	dev_dbg(dev, "pd header : %s, %s\n", typec_role_name[pwr],
+		typec_data_role_name[data]);
+done:
+
+	return ret;
+}
+
+static int fusb302_start_toggling(struct udevice *dev,
+				  enum typec_port_type port_type,
+				  enum typec_cc_status cc)
+{
+	enum toggling_mode mode = TOGGLING_MODE_OFF;
+	int ret;
+
+	switch (port_type) {
+	case TYPEC_PORT_SRC:
+		mode = TOGGLING_MODE_SRC;
+		break;
+	case TYPEC_PORT_SNK:
+		mode = TOGGLING_MODE_SNK;
+		break;
+	case TYPEC_PORT_DRP:
+		mode = TOGGLING_MODE_DRP;
+		break;
+	}
+
+	ret = fusb302_set_src_current(dev, cc_src_current[cc]);
+	if (ret) {
+		dev_err(dev, "unable to set src current %s, ret=%d",
+			typec_cc_status_name[cc], ret);
+		goto done;
+	}
+	ret = fusb302_set_toggling(dev, mode);
+	if (ret) {
+		dev_err(dev, "unable to start drp toggling: %d\n", ret);
+		goto done;
+	}
+	dev_info(dev, "fusb302 start drp toggling\n");
+done:
+
+	return ret;
+}
+
+static int fusb302_pd_send_message(struct udevice *dev,
+				   const struct pd_message *msg)
+{
+	int ret;
+	/* SOP tokens */
+	u8 buf[40] = {FUSB302_TKN_SYNC1, FUSB302_TKN_SYNC1, FUSB302_TKN_SYNC1,
+		      FUSB302_TKN_SYNC2};
+	u8 pos = 4;
+	int len;
+
+	len = pd_header_cnt_le(msg->header) * 4;
+	/* plug 2 for header */
+	len += 2;
+	if (len > FUSB302_MAX_MSG_LEN) {
+		dev_err(dev, "PD message too long %d (incl. header)", len);
+		return -EINVAL;
+	}
+	/* packsym tells the FUSB302 chip that the next X bytes are payload */
+	buf[pos++] = FUSB302_TKN_PACKSYM | (len & FUSB302_MAX_MSG_LEN);
+	memcpy(&buf[pos], &msg->header, sizeof(msg->header));
+	pos += sizeof(msg->header);
+
+	len -= 2;
+	memcpy(&buf[pos], msg->payload, len);
+	pos += len;
+
+	/* CRC */
+	buf[pos++] = FUSB302_TKN_JAMCRC;
+	/* EOP */
+	buf[pos++] = FUSB302_TKN_EOP;
+	/* turn tx off after sending message */
+	buf[pos++] = FUSB302_TKN_TXOFF;
+	/* start transmission */
+	buf[pos++] = FUSB302_TKN_TXON;
+
+	ret = fusb302_i2c_block_write(dev, FUSB_REG_FIFOS, pos, buf);
+	if (ret)
+		return ret;
+	dev_dbg(dev, "Send PD message (header=0x%x len=%d)\n", msg->header, len);
+
+	return ret;
+}
+
+static int fusb302_pd_send_hardreset(struct udevice *dev)
+{
+	return fusb302_i2c_set_bits(dev, FUSB_REG_CONTROL3,
+				    FUSB_REG_CONTROL3_SEND_HARDRESET);
+}
+
+static const char * const transmit_type_name[] = {
+	[TCPC_TX_SOP]			= "SOP",
+	[TCPC_TX_SOP_PRIME]		= "SOP'",
+	[TCPC_TX_SOP_PRIME_PRIME]	= "SOP''",
+	[TCPC_TX_SOP_DEBUG_PRIME]	= "DEBUG'",
+	[TCPC_TX_SOP_DEBUG_PRIME_PRIME]	= "DEBUG''",
+	[TCPC_TX_HARD_RESET]		= "HARD_RESET",
+	[TCPC_TX_CABLE_RESET]		= "CABLE_RESET",
+	[TCPC_TX_BIST_MODE_2]		= "BIST_MODE_2",
+};
+
+static int fusb302_pd_transmit(struct udevice *dev, enum tcpm_transmit_type type,
+			       const struct pd_message *msg, unsigned int negotiated_rev)
+{
+	int ret;
+
+	switch (type) {
+	case TCPC_TX_SOP:
+		/* nRetryCount 3 in P2.0 spec, whereas 2 in PD3.0 spec */
+		ret = fusb302_enable_tx_auto_retries(dev, negotiated_rev > PD_REV20 ?
+						     FUSB_REG_CONTROL3_N_RETRIES_2 :
+						     FUSB_REG_CONTROL3_N_RETRIES_3);
+		if (ret)
+			dev_err(dev, "cannot update retry count: %d\n", ret);
+
+		ret = fusb302_pd_send_message(dev, msg);
+		if (ret)
+			dev_err(dev, "cannot send PD message: %d\n", ret);
+		break;
+	case TCPC_TX_HARD_RESET:
+		ret = fusb302_pd_send_hardreset(dev);
+		if (ret)
+			dev_err(dev, "cannot send hardreset: %d\n", ret);
+		break;
+	default:
+		dev_err(dev, "type %s not supported", transmit_type_name[type]);
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static enum typec_cc_status fusb302_bc_lvl_to_cc(u8 bc_lvl)
+{
+	if (bc_lvl == FUSB_REG_STATUS0_BC_LVL_1230_MAX)
+		return TYPEC_CC_RP_3_0;
+	if (bc_lvl == FUSB_REG_STATUS0_BC_LVL_600_1230)
+		return TYPEC_CC_RP_1_5;
+	if (bc_lvl == FUSB_REG_STATUS0_BC_LVL_200_600)
+		return TYPEC_CC_RP_DEF;
+	return TYPEC_CC_OPEN;
+}
+
+static void fusb302_bc_lvl_handler(struct udevice *dev)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	enum typec_cc_status cc_status;
+	u8 status0, bc_lvl;
+	int ret;
+
+	if (!chip->intr_bc_lvl) {
+		dev_err(dev, "BC_LVL interrupt is turned off, abort\n");
+		goto done;
+	}
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &status0);
+	if (ret)
+		goto done;
+
+	dev_dbg(dev, "BC_LVL handler, status0 = 0x%02x\n", status0);
+	if (status0 & FUSB_REG_STATUS0_ACTIVITY)
+		dev_info(dev, "CC activities detected, delay handling\n");
+	bc_lvl = status0 & FUSB_REG_STATUS0_BC_LVL_MASK;
+	cc_status = fusb302_bc_lvl_to_cc(bc_lvl);
+	if (chip->cc_polarity == TYPEC_POLARITY_CC1) {
+		if (chip->cc1 != cc_status) {
+			dev_dbg(dev, "cc1: %s -> %s\n",
+				typec_cc_status_name[chip->cc1],
+				typec_cc_status_name[cc_status]);
+			chip->cc1 = cc_status;
+			tcpm_cc_change(dev);
+		}
+	} else {
+		if (chip->cc2 != cc_status) {
+			dev_dbg(dev, "cc2: %s -> %s\n",
+				typec_cc_status_name[chip->cc2],
+				typec_cc_status_name[cc_status]);
+			chip->cc2 = cc_status;
+			tcpm_cc_change(dev);
+		}
+	}
+
+done:
+	return;
+}
+
+static int fusb302_enter_low_power_mode(struct udevice *dev,
+					bool attached, bool pd_capable)
+{
+	unsigned int reg;
+	int ret;
+
+	ret = fusb302_mask_interrupt(dev);
+	if (ret)
+		return ret;
+	if (attached && pd_capable)
+		reg = FUSB_REG_POWER_PWR_MEDIUM;
+	else if (attached)
+		reg = FUSB_REG_POWER_PWR_LOW;
+	else
+		reg = 0;
+
+	return fusb302_set_power_mode(dev, reg);
+}
+
+static const char * const cc_polarity_name[] = {
+	[TYPEC_POLARITY_CC1]	= "Polarity_CC1",
+	[TYPEC_POLARITY_CC2]	= "Polarity_CC2",
+};
+
+static int fusb302_set_cc_polarity_and_pull(struct udevice *dev,
+					    enum typec_cc_polarity cc_polarity,
+					    bool pull_up, bool pull_down)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+	u8 switches0_data = 0x00;
+	u8 switches1_mask = FUSB_REG_SWITCHES1_TXCC1_EN |
+			    FUSB_REG_SWITCHES1_TXCC2_EN;
+	u8 switches1_data = 0x00;
+
+	if (pull_down)
+		switches0_data |= FUSB_REG_SWITCHES0_CC1_PD_EN |
+				  FUSB_REG_SWITCHES0_CC2_PD_EN;
+
+	if (cc_polarity == TYPEC_POLARITY_CC1) {
+		switches0_data |= FUSB_REG_SWITCHES0_MEAS_CC1;
+		if (chip->vconn_on)
+			switches0_data |= FUSB_REG_SWITCHES0_VCONN_CC2;
+		if (pull_up)
+			switches0_data |= FUSB_REG_SWITCHES0_CC1_PU_EN;
+		switches1_data = FUSB_REG_SWITCHES1_TXCC1_EN;
+	} else {
+		switches0_data |= FUSB_REG_SWITCHES0_MEAS_CC2;
+		if (chip->vconn_on)
+			switches0_data |= FUSB_REG_SWITCHES0_VCONN_CC1;
+		if (pull_up)
+			switches0_data |= FUSB_REG_SWITCHES0_CC2_PU_EN;
+		switches1_data = FUSB_REG_SWITCHES1_TXCC2_EN;
+	}
+	ret = fusb302_i2c_write(dev, FUSB_REG_SWITCHES0, switches0_data);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_mask_write(dev, FUSB_REG_SWITCHES1,
+				     switches1_mask, switches1_data);
+	if (ret)
+		return ret;
+	chip->cc_polarity = cc_polarity;
+
+	return ret;
+}
+
+static int fusb302_handle_togdone_snk(struct udevice *dev,
+				      u8 togdone_result)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	int ret;
+	u8 status0;
+	u8 bc_lvl;
+	enum typec_cc_polarity cc_polarity;
+	enum typec_cc_status cc_status_active, cc1, cc2;
+
+	/* set polarity and pull_up, pull_down */
+	cc_polarity = (togdone_result == FUSB_REG_STATUS1A_TOGSS_SNK1) ?
+		      TYPEC_POLARITY_CC1 : TYPEC_POLARITY_CC2;
+	ret = fusb302_set_cc_polarity_and_pull(dev, cc_polarity, false, true);
+	if (ret) {
+		dev_err(dev, "cannot set cc polarity %s, ret = %d\n",
+			cc_polarity_name[cc_polarity], ret);
+		return ret;
+	}
+	/* fusb302_set_cc_polarity() has set the correct measure block */
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &status0);
+	if (ret < 0)
+		return ret;
+	bc_lvl = status0 & FUSB_REG_STATUS0_BC_LVL_MASK;
+	cc_status_active = fusb302_bc_lvl_to_cc(bc_lvl);
+	/* restart toggling if the cc status on the active line is OPEN */
+	if (cc_status_active == TYPEC_CC_OPEN) {
+		dev_info(dev, "restart toggling as CC_OPEN detected\n");
+		ret = fusb302_set_toggling(dev, chip->toggling_mode);
+		return ret;
+	}
+	/* update tcpm with the new cc value */
+	cc1 = (cc_polarity == TYPEC_POLARITY_CC1) ?
+	      cc_status_active : TYPEC_CC_OPEN;
+	cc2 = (cc_polarity == TYPEC_POLARITY_CC2) ?
+	      cc_status_active : TYPEC_CC_OPEN;
+	if (chip->cc1 != cc1 || chip->cc2 != cc2) {
+		chip->cc1 = cc1;
+		chip->cc2 = cc2;
+		tcpm_cc_change(dev);
+	}
+	/* turn off toggling */
+	ret = fusb302_set_toggling(dev, TOGGLING_MODE_OFF);
+	if (ret) {
+		dev_err(dev, "cannot set toggling mode off, ret=%d\n", ret);
+		return ret;
+	}
+	/* unmask bc_lvl interrupt */
+	ret = fusb302_i2c_clear_bits(dev, FUSB_REG_MASK, FUSB_REG_MASK_BC_LVL);
+	if (ret) {
+		dev_err(dev, "cannot unmask bc_lcl irq, ret=%d\n", ret);
+		return ret;
+	}
+	chip->intr_bc_lvl = true;
+	dev_dbg(dev, "detected cc1=%s, cc2=%s\n",
+		typec_cc_status_name[cc1],
+		typec_cc_status_name[cc2]);
+
+	return ret;
+}
+
+/* On error returns < 0, otherwise a typec_cc_status value */
+static int fusb302_get_src_cc_status(struct udevice *dev,
+				     enum typec_cc_polarity cc_polarity,
+				     enum typec_cc_status *cc)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	u8 ra_mda = ra_mda_value[chip->src_current_status];
+	u8 rd_mda = rd_mda_value[chip->src_current_status];
+	u8 switches0_data, status0;
+	int ret;
+
+	/* Step 1: Set switches so that we measure the right CC pin */
+	switches0_data = (cc_polarity == TYPEC_POLARITY_CC1) ?
+		FUSB_REG_SWITCHES0_CC1_PU_EN | FUSB_REG_SWITCHES0_MEAS_CC1 :
+		FUSB_REG_SWITCHES0_CC2_PU_EN | FUSB_REG_SWITCHES0_MEAS_CC2;
+	ret = fusb302_i2c_write(dev, FUSB_REG_SWITCHES0, switches0_data);
+	if (ret < 0)
+		return ret;
+
+	fusb302_i2c_read(dev, FUSB_REG_SWITCHES0, &status0);
+	dev_dbg(dev, "get_src_cc_status switches: 0x%0x", status0);
+
+	/* Step 2: Set compararator volt to differentiate between Open and Rd */
+	ret = fusb302_i2c_write(dev, FUSB_REG_MEASURE, rd_mda);
+	if (ret)
+		return ret;
+
+	udelay(100);
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &status0);
+	if (ret)
+		return ret;
+
+	dev_dbg(dev, "get_src_cc_status rd_mda status0: 0x%0x", status0);
+	if (status0 & FUSB_REG_STATUS0_COMP) {
+		*cc = TYPEC_CC_OPEN;
+		return 0;
+	}
+
+	/* Step 3: Set compararator input to differentiate between Rd and Ra. */
+	ret = fusb302_i2c_write(dev, FUSB_REG_MEASURE, ra_mda);
+	if (ret)
+		return ret;
+
+	udelay(100);
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &status0);
+	if (ret)
+		return ret;
+
+	dev_dbg(dev, "get_src_cc_status ra_mda status0: 0x%0x", status0);
+	if (status0 & FUSB_REG_STATUS0_COMP)
+		*cc = TYPEC_CC_RD;
+	else
+		*cc = TYPEC_CC_RA;
+
+	return 0;
+}
+
+static int fusb302_handle_togdone_src(struct udevice *dev,
+				      u8 togdone_result)
+{
+	/*
+	 * - set polarity (measure cc, vconn, tx)
+	 * - set pull_up, pull_down
+	 * - set cc1, cc2, and update to tcpm state machine
+	 * - set I_COMP interrupt on
+	 */
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	u8 rd_mda = rd_mda_value[chip->src_current_status];
+	enum toggling_mode toggling_mode = chip->toggling_mode;
+	enum typec_cc_polarity cc_polarity;
+	enum typec_cc_status cc1, cc2;
+	int ret;
+
+	/*
+	 * The toggle-engine will stop in a src state if it sees either Ra or
+	 * Rd. Determine the status for both CC pins, starting with the one
+	 * where toggling stopped, as that is where the switches point now.
+	 */
+	if (togdone_result == FUSB_REG_STATUS1A_TOGSS_SRC1)
+		ret = fusb302_get_src_cc_status(dev, TYPEC_POLARITY_CC1, &cc1);
+	else
+		ret = fusb302_get_src_cc_status(dev, TYPEC_POLARITY_CC2, &cc2);
+	if (ret)
+		return ret;
+	/* we must turn off toggling before we can measure the other pin */
+	ret = fusb302_set_toggling(dev, TOGGLING_MODE_OFF);
+	if (ret) {
+		dev_err(dev, "cannot set toggling mode off, ret=%d\n", ret);
+		return ret;
+	}
+	/* get the status of the other pin */
+	if (togdone_result == FUSB_REG_STATUS1A_TOGSS_SRC1)
+		ret = fusb302_get_src_cc_status(dev, TYPEC_POLARITY_CC2, &cc2);
+	else
+		ret = fusb302_get_src_cc_status(dev, TYPEC_POLARITY_CC1, &cc1);
+	if (ret)
+		return ret;
+
+	/* determine polarity based on the status of both pins */
+	if (cc1 == TYPEC_CC_RD && (cc2 == TYPEC_CC_OPEN || cc2 == TYPEC_CC_RA)) {
+		cc_polarity = TYPEC_POLARITY_CC1;
+	} else if (cc2 == TYPEC_CC_RD &&
+		    (cc1 == TYPEC_CC_OPEN || cc1 == TYPEC_CC_RA)) {
+		cc_polarity = TYPEC_POLARITY_CC2;
+	} else {
+		dev_err(dev, "unexpected CC status cc1=%s, cc2=%s, restarting toggling\n",
+			typec_cc_status_name[cc1],
+			typec_cc_status_name[cc2]);
+		return fusb302_set_toggling(dev, toggling_mode);
+	}
+	/* set polarity and pull_up, pull_down */
+	ret = fusb302_set_cc_polarity_and_pull(dev, cc_polarity, true, false);
+	if (ret < 0) {
+		dev_err(dev, "cannot set cc polarity %s, ret=%d\n",
+			cc_polarity_name[cc_polarity], ret);
+		return ret;
+	}
+	/* update tcpm with the new cc value */
+	if (chip->cc1 != cc1 || chip->cc2 != cc2) {
+		chip->cc1 = cc1;
+		chip->cc2 = cc2;
+		tcpm_cc_change(dev);
+	}
+	/* set MDAC to Rd threshold, and unmask I_COMP for unplug detection */
+	ret = fusb302_i2c_write(dev, FUSB_REG_MEASURE, rd_mda);
+	if (ret)
+		return ret;
+	/* unmask comp_chng interrupt */
+	ret = fusb302_i2c_clear_bits(dev, FUSB_REG_MASK,
+				     FUSB_REG_MASK_COMP_CHNG);
+	if (ret) {
+		dev_err(dev, "cannot unmask comp_chng irq, ret=%d\n", ret);
+		return ret;
+	}
+	chip->intr_comp_chng = true;
+	dev_dbg(dev, "detected cc1=%s, cc2=%s\n",
+		typec_cc_status_name[cc1],
+		typec_cc_status_name[cc2]);
+
+	return ret;
+}
+
+static int fusb302_handle_togdone(struct udevice *dev)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	u8 togdone_result, status1a;
+	int ret;
+
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS1A, &status1a);
+	if (ret < 0)
+		return ret;
+	togdone_result = (status1a >> FUSB_REG_STATUS1A_TOGSS_POS) &
+			 FUSB_REG_STATUS1A_TOGSS_MASK;
+	switch (togdone_result) {
+	case FUSB_REG_STATUS1A_TOGSS_SNK1:
+	case FUSB_REG_STATUS1A_TOGSS_SNK2:
+		return fusb302_handle_togdone_snk(dev, togdone_result);
+	case FUSB_REG_STATUS1A_TOGSS_SRC1:
+	case FUSB_REG_STATUS1A_TOGSS_SRC2:
+		return fusb302_handle_togdone_src(dev, togdone_result);
+	case FUSB_REG_STATUS1A_TOGSS_AA:
+		/* doesn't support */
+		dev_err(dev, "AudioAccessory not supported\n");
+		fusb302_set_toggling(dev, chip->toggling_mode);
+		break;
+	default:
+		dev_err(dev, "TOGDONE with an invalid state: %d\n",
+			togdone_result);
+		fusb302_set_toggling(dev, chip->toggling_mode);
+		break;
+	}
+	return ret;
+}
+
+static int fusb302_pd_reset(struct udevice *dev)
+{
+	return fusb302_i2c_set_bits(dev, FUSB_REG_RESET,
+				    FUSB_REG_RESET_PD_RESET);
+}
+
+static int fusb302_pd_read_message(struct udevice *dev,
+				   struct pd_message *msg)
+{
+	int len, ret;
+	u8 crc[4];
+	u8 token;
+
+	/* first SOP token */
+	ret = fusb302_i2c_read(dev, FUSB_REG_FIFOS, &token);
+	if (ret)
+		return ret;
+	ret = fusb302_i2c_block_read(dev, FUSB_REG_FIFOS, 2,
+				     (u8 *)&msg->header);
+	if (ret)
+		return ret;
+	len = pd_header_cnt_le(msg->header) * 4;
+	/* add 4 to length to include the CRC */
+	if (len > PD_MAX_PAYLOAD * 4) {
+		dev_err(dev, "PD message too long %d\n", len);
+		return -EINVAL;
+	}
+	if (len > 0) {
+		ret = fusb302_i2c_block_read(dev, FUSB_REG_FIFOS, len,
+					     (u8 *)msg->payload);
+		if (ret)
+			return ret;
+	}
+	/* another 4 bytes to read CRC out */
+	ret = fusb302_i2c_block_read(dev, FUSB_REG_FIFOS, 4, crc);
+	if (ret)
+		return ret;
+	dev_dbg(dev, "Received PD message (header=0x%x len=%d)\n", msg->header, len);
+
+	/*
+	 * Check if we've read off a GoodCRC message. If so then indicate to
+	 * TCPM that the previous transmission has completed. Otherwise we pass
+	 * the received message over to TCPM for processing.
+	 *
+	 * We make this check here instead of basing the reporting decision on
+	 * the IRQ event type, as it's possible for the chip to report the
+	 * TX_SUCCESS and GCRCSENT events out of order on occasion, so we need
+	 * to check the message type to ensure correct reporting to TCPM.
+	 */
+	if (!len && (pd_header_type_le(msg->header) == PD_CTRL_GOOD_CRC))
+		tcpm_pd_transmit_complete(dev, TCPC_TX_SUCCESS);
+	else
+		tcpm_pd_receive(dev, msg);
+
+	return ret;
+}
+
+static void fusb302_interrupt_handle(struct udevice *dev)
+{
+	struct fusb302_chip *chip = dev_get_priv(dev);
+	u8 interrupt;
+	u8 interrupta;
+	u8 interruptb;
+	u8 status0;
+	bool vbus_present;
+	bool comp_result;
+	bool intr_togdone;
+	bool intr_bc_lvl;
+	bool intr_comp_chng;
+	struct pd_message pd_msg;
+	int ret;
+
+	/* grab a snapshot of intr flags */
+	intr_togdone = chip->intr_togdone;
+	intr_bc_lvl = chip->intr_bc_lvl;
+	intr_comp_chng = chip->intr_comp_chng;
+
+	ret = fusb302_i2c_read(dev, FUSB_REG_INTERRUPT, &interrupt);
+	if (ret)
+		return;
+	ret = fusb302_i2c_read(dev, FUSB_REG_INTERRUPTA, &interrupta);
+	if (ret)
+		return;
+	ret = fusb302_i2c_read(dev, FUSB_REG_INTERRUPTB, &interruptb);
+	if (ret)
+		return;
+	ret = fusb302_i2c_read(dev, FUSB_REG_STATUS0, &status0);
+	if (ret)
+		return;
+
+	/*
+	 * Since we are polling the IRQs, avoid printing messages when there
+	 * no interrupts at all to avoid spamming the log.
+	 */
+	if (interrupt != 0 || interrupta != 0 || interruptb != 0)
+		dev_dbg(dev, "IRQ: 0x%02x, a: 0x%02x, b: 0x%02x, status0: 0x%02x\n",
+			interrupt, interrupta, interruptb, status0);
+
+	if (interrupt & FUSB_REG_INTERRUPT_VBUSOK) {
+		vbus_present = !!(status0 & FUSB_REG_STATUS0_VBUSOK);
+		dev_dbg(dev, "IRQ: VBUS_OK, vbus=%s\n",
+			vbus_present ? "On" : "Off");
+		if (vbus_present != chip->vbus_present) {
+			chip->vbus_present = vbus_present;
+			tcpm_vbus_change(dev);
+		}
+	}
+
+	if ((interrupta & FUSB_REG_INTERRUPTA_TOGDONE) && intr_togdone) {
+		dev_dbg(dev, "IRQ: TOGDONE\n");
+		ret = fusb302_handle_togdone(dev);
+		if (ret) {
+			dev_err(dev, "handle togdone error: %d\n", ret);
+			return;
+		}
+	}
+
+	if ((interrupt & FUSB_REG_INTERRUPT_BC_LVL) && intr_bc_lvl) {
+		dev_dbg(dev, "IRQ: BC_LVL, handler pending\n");
+		fusb302_bc_lvl_handler(dev);
+	}
+
+	if ((interrupt & FUSB_REG_INTERRUPT_COMP_CHNG) && intr_comp_chng) {
+		comp_result = !!(status0 & FUSB_REG_STATUS0_COMP);
+		dev_dbg(dev, "IRQ: COMP_CHNG, comp=%s\n",
+			comp_result ? "true" : "false");
+		if (comp_result) {
+			/* cc level > Rd_threshold, detach */
+			chip->cc1 = TYPEC_CC_OPEN;
+			chip->cc2 = TYPEC_CC_OPEN;
+			tcpm_cc_change(dev);
+		}
+	}
+
+	if (interrupt & FUSB_REG_INTERRUPT_COLLISION) {
+		dev_dbg(dev, "IRQ: PD collision\n");
+		tcpm_pd_transmit_complete(dev, TCPC_TX_FAILED);
+	}
+
+	if (interrupta & FUSB_REG_INTERRUPTA_RETRYFAIL) {
+		dev_dbg(dev, "IRQ: PD retry failed\n");
+		tcpm_pd_transmit_complete(dev, TCPC_TX_FAILED);
+	}
+
+	if (interrupta & FUSB_REG_INTERRUPTA_HARDSENT) {
+		dev_dbg(dev, "IRQ: PD hardreset sent\n");
+		ret = fusb302_pd_reset(dev);
+		if (ret) {
+			dev_err(dev, "cannot PD reset, ret=%d\n", ret);
+			return;
+		}
+		tcpm_pd_transmit_complete(dev, TCPC_TX_SUCCESS);
+	}
+
+	if (interrupta & FUSB_REG_INTERRUPTA_TX_SUCCESS) {
+		dev_dbg(dev, "IRQ: PD tx success\n");
+		ret = fusb302_pd_read_message(dev, &pd_msg);
+		if (ret) {
+			dev_err(dev, "cannot read in PD message, ret=%d\n", ret);
+			return;
+		}
+	}
+
+	if (interrupta & FUSB_REG_INTERRUPTA_HARDRESET) {
+		dev_dbg(dev, "IRQ: PD received hardreset\n");
+		ret = fusb302_pd_reset(dev);
+		if (ret) {
+			dev_err(dev, "cannot PD reset, ret=%d\n", ret);
+			return;
+		}
+		tcpm_pd_hard_reset(dev);
+	}
+
+	if (interruptb & FUSB_REG_INTERRUPTB_GCRCSENT) {
+		dev_dbg(dev, "IRQ: PD sent good CRC\n");
+		ret = fusb302_pd_read_message(dev, &pd_msg);
+		if (ret) {
+			dev_err(dev, "cannot read in PD message, ret=%d\n", ret);
+			return;
+		}
+	}
+}
+
+static void fusb302_poll_event(struct udevice *dev)
+{
+	fusb302_interrupt_handle(dev);
+}
+
+static int fusb302_get_connector_node(struct udevice *dev, ofnode *connector_node)
+{
+	*connector_node = dev_read_subnode(dev, "connector");
+	if (!ofnode_valid(*connector_node)) {
+		dev_err(dev, "'connector' node is not found\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static struct dm_tcpm_ops fusb302_ops = {
+	.get_connector_node = fusb302_get_connector_node,
+	.init = fusb302_init,
+	.get_vbus = fusb302_get_vbus,
+	.set_cc = fusb302_set_cc,
+	.get_cc = fusb302_get_cc,
+	.set_vconn = fusb302_set_vconn,
+	.set_vbus = fusb302_set_vbus,
+	.set_pd_rx = fusb302_set_pd_rx,
+	.set_roles = fusb302_set_roles,
+	.start_toggling = fusb302_start_toggling,
+	.pd_transmit = fusb302_pd_transmit,
+	.poll_event = fusb302_poll_event,
+	.enter_low_power_mode = fusb302_enter_low_power_mode,
+};
+
+static const struct udevice_id fusb302_ids[] = {
+	{ .compatible = "fcs,fusb302" },
+	{ }
+};
+
+U_BOOT_DRIVER(fusb302) = {
+	.name = "fusb302",
+	.id = UCLASS_TCPM,
+	.of_match = fusb302_ids,
+	.ops = &fusb302_ops,
+	.priv_auto = sizeof(struct fusb302_chip),
+};
diff --git a/drivers/usb/tcpm/fusb302_reg.h b/drivers/usb/tcpm/fusb302_reg.h
new file mode 100644
index 00000000000..edc0e4b0f1e
--- /dev/null
+++ b/drivers/usb/tcpm/fusb302_reg.h
@@ -0,0 +1,177 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2016-2017 Google, Inc
+ *
+ * Fairchild FUSB302 Type-C Chip Driver
+ */
+
+#ifndef FUSB302_REG_H
+#define FUSB302_REG_H
+
+#define FUSB_REG_DEVICE_ID			0x01
+#define FUSB_REG_SWITCHES0			0x02
+#define FUSB_REG_SWITCHES0_CC2_PU_EN		BIT(7)
+#define FUSB_REG_SWITCHES0_CC1_PU_EN		BIT(6)
+#define FUSB_REG_SWITCHES0_VCONN_CC2		BIT(5)
+#define FUSB_REG_SWITCHES0_VCONN_CC1		BIT(4)
+#define FUSB_REG_SWITCHES0_MEAS_CC2		BIT(3)
+#define FUSB_REG_SWITCHES0_MEAS_CC1		BIT(2)
+#define FUSB_REG_SWITCHES0_CC2_PD_EN		BIT(1)
+#define FUSB_REG_SWITCHES0_CC1_PD_EN		BIT(0)
+#define FUSB_REG_SWITCHES1			0x03
+#define FUSB_REG_SWITCHES1_POWERROLE		BIT(7)
+#define FUSB_REG_SWITCHES1_SPECREV1		BIT(6)
+#define FUSB_REG_SWITCHES1_SPECREV0		BIT(5)
+#define FUSB_REG_SWITCHES1_DATAROLE		BIT(4)
+#define FUSB_REG_SWITCHES1_AUTO_GCRC		BIT(2)
+#define FUSB_REG_SWITCHES1_TXCC2_EN		BIT(1)
+#define FUSB_REG_SWITCHES1_TXCC1_EN		BIT(0)
+#define FUSB_REG_MEASURE			0x04
+#define FUSB_REG_MEASURE_MDAC5			BIT(7)
+#define FUSB_REG_MEASURE_MDAC4			BIT(6)
+#define FUSB_REG_MEASURE_MDAC3			BIT(5)
+#define FUSB_REG_MEASURE_MDAC2			BIT(4)
+#define FUSB_REG_MEASURE_MDAC1			BIT(3)
+#define FUSB_REG_MEASURE_MDAC0			BIT(2)
+#define FUSB_REG_MEASURE_VBUS			BIT(1)
+#define FUSB_REG_MEASURE_XXXX5			BIT(0)
+#define FUSB_REG_CONTROL0			0x06
+#define FUSB_REG_CONTROL0_TX_FLUSH		BIT(6)
+#define FUSB_REG_CONTROL0_INT_MASK		BIT(5)
+#define FUSB_REG_CONTROL0_HOST_CUR_MASK		(0xC)
+#define FUSB_REG_CONTROL0_HOST_CUR_HIGH		(0xC)
+#define FUSB_REG_CONTROL0_HOST_CUR_MED		(0x8)
+#define FUSB_REG_CONTROL0_HOST_CUR_DEF		(0x4)
+#define FUSB_REG_CONTROL0_TX_START		BIT(0)
+#define FUSB_REG_CONTROL1			0x07
+#define FUSB_REG_CONTROL1_ENSOP2DB		BIT(6)
+#define FUSB_REG_CONTROL1_ENSOP1DB		BIT(5)
+#define FUSB_REG_CONTROL1_BIST_MODE2		BIT(4)
+#define FUSB_REG_CONTROL1_RX_FLUSH		BIT(2)
+#define FUSB_REG_CONTROL1_ENSOP2		BIT(1)
+#define FUSB_REG_CONTROL1_ENSOP1		BIT(0)
+#define FUSB_REG_CONTROL2			0x08
+#define FUSB_REG_CONTROL2_MODE			BIT(1)
+#define FUSB_REG_CONTROL2_MODE_MASK		(0x6)
+#define FUSB_REG_CONTROL2_MODE_DFP		(0x6)
+#define FUSB_REG_CONTROL2_MODE_UFP		(0x4)
+#define FUSB_REG_CONTROL2_MODE_DRP		(0x2)
+#define FUSB_REG_CONTROL2_MODE_NONE		(0x0)
+#define FUSB_REG_CONTROL2_TOGGLE		BIT(0)
+#define FUSB_REG_CONTROL3			0x09
+#define FUSB_REG_CONTROL3_SEND_HARDRESET	BIT(6)
+#define FUSB_REG_CONTROL3_BIST_TMODE		BIT(5)	/* 302B Only */
+#define FUSB_REG_CONTROL3_AUTO_HARDRESET	BIT(4)
+#define FUSB_REG_CONTROL3_AUTO_SOFTRESET	BIT(3)
+#define FUSB_REG_CONTROL3_N_RETRIES		BIT(1)
+#define FUSB_REG_CONTROL3_N_RETRIES_MASK	(0x6)
+#define FUSB_REG_CONTROL3_N_RETRIES_3		(0x6)
+#define FUSB_REG_CONTROL3_N_RETRIES_2		(0x4)
+#define FUSB_REG_CONTROL3_N_RETRIES_1		(0x2)
+#define FUSB_REG_CONTROL3_AUTO_RETRY		BIT(0)
+#define FUSB_REG_MASK				0x0A
+#define FUSB_REG_MASK_VBUSOK			BIT(7)
+#define FUSB_REG_MASK_ACTIVITY			BIT(6)
+#define FUSB_REG_MASK_COMP_CHNG			BIT(5)
+#define FUSB_REG_MASK_CRC_CHK			BIT(4)
+#define FUSB_REG_MASK_ALERT			BIT(3)
+#define FUSB_REG_MASK_WAKE			BIT(2)
+#define FUSB_REG_MASK_COLLISION			BIT(1)
+#define FUSB_REG_MASK_BC_LVL			BIT(0)
+#define FUSB_REG_POWER				0x0B
+#define FUSB_REG_POWER_PWR			BIT(0)
+#define FUSB_REG_POWER_PWR_LOW			0x1
+#define FUSB_REG_POWER_PWR_MEDIUM		0x3
+#define FUSB_REG_POWER_PWR_HIGH			0x7
+#define FUSB_REG_POWER_PWR_ALL			0xF
+#define FUSB_REG_RESET				0x0C
+#define FUSB_REG_RESET_PD_RESET			BIT(1)
+#define FUSB_REG_RESET_SW_RESET			BIT(0)
+#define FUSB_REG_MASKA				0x0E
+#define FUSB_REG_MASKA_OCP_TEMP			BIT(7)
+#define FUSB_REG_MASKA_TOGDONE			BIT(6)
+#define FUSB_REG_MASKA_SOFTFAIL			BIT(5)
+#define FUSB_REG_MASKA_RETRYFAIL		BIT(4)
+#define FUSB_REG_MASKA_HARDSENT			BIT(3)
+#define FUSB_REG_MASKA_TX_SUCCESS		BIT(2)
+#define FUSB_REG_MASKA_SOFTRESET		BIT(1)
+#define FUSB_REG_MASKA_HARDRESET		BIT(0)
+#define FUSB_REG_MASKB				0x0F
+#define FUSB_REG_MASKB_GCRCSENT			BIT(0)
+#define FUSB_REG_STATUS0A			0x3C
+#define FUSB_REG_STATUS0A_SOFTFAIL		BIT(5)
+#define FUSB_REG_STATUS0A_RETRYFAIL		BIT(4)
+#define FUSB_REG_STATUS0A_POWER			BIT(2)
+#define FUSB_REG_STATUS0A_RX_SOFT_RESET		BIT(1)
+#define FUSB_REG_STATUS0A_RX_HARD_RESET		BIT(0)
+#define FUSB_REG_STATUS1A			0x3D
+#define FUSB_REG_STATUS1A_TOGSS			BIT(3)
+#define FUSB_REG_STATUS1A_TOGSS_RUNNING		0x0
+#define FUSB_REG_STATUS1A_TOGSS_SRC1		0x1
+#define FUSB_REG_STATUS1A_TOGSS_SRC2		0x2
+#define FUSB_REG_STATUS1A_TOGSS_SNK1		0x5
+#define FUSB_REG_STATUS1A_TOGSS_SNK2		0x6
+#define FUSB_REG_STATUS1A_TOGSS_AA		0x7
+#define FUSB_REG_STATUS1A_TOGSS_POS		(3)
+#define FUSB_REG_STATUS1A_TOGSS_MASK		(0x7)
+#define FUSB_REG_STATUS1A_RXSOP2DB		BIT(2)
+#define FUSB_REG_STATUS1A_RXSOP1DB		BIT(1)
+#define FUSB_REG_STATUS1A_RXSOP			BIT(0)
+#define FUSB_REG_INTERRUPTA			0x3E
+#define FUSB_REG_INTERRUPTA_OCP_TEMP		BIT(7)
+#define FUSB_REG_INTERRUPTA_TOGDONE		BIT(6)
+#define FUSB_REG_INTERRUPTA_SOFTFAIL		BIT(5)
+#define FUSB_REG_INTERRUPTA_RETRYFAIL		BIT(4)
+#define FUSB_REG_INTERRUPTA_HARDSENT		BIT(3)
+#define FUSB_REG_INTERRUPTA_TX_SUCCESS		BIT(2)
+#define FUSB_REG_INTERRUPTA_SOFTRESET		BIT(1)
+#define FUSB_REG_INTERRUPTA_HARDRESET		BIT(0)
+#define FUSB_REG_INTERRUPTB			0x3F
+#define FUSB_REG_INTERRUPTB_GCRCSENT		BIT(0)
+#define FUSB_REG_STATUS0			0x40
+#define FUSB_REG_STATUS0_VBUSOK			BIT(7)
+#define FUSB_REG_STATUS0_ACTIVITY		BIT(6)
+#define FUSB_REG_STATUS0_COMP			BIT(5)
+#define FUSB_REG_STATUS0_CRC_CHK		BIT(4)
+#define FUSB_REG_STATUS0_ALERT			BIT(3)
+#define FUSB_REG_STATUS0_WAKE			BIT(2)
+#define FUSB_REG_STATUS0_BC_LVL_MASK		0x03
+#define FUSB_REG_STATUS0_BC_LVL_0_200		0x0
+#define FUSB_REG_STATUS0_BC_LVL_200_600		0x1
+#define FUSB_REG_STATUS0_BC_LVL_600_1230	0x2
+#define FUSB_REG_STATUS0_BC_LVL_1230_MAX	0x3
+#define FUSB_REG_STATUS0_BC_LVL1		BIT(1)
+#define FUSB_REG_STATUS0_BC_LVL0		BIT(0)
+#define FUSB_REG_STATUS1			0x41
+#define FUSB_REG_STATUS1_RXSOP2			BIT(7)
+#define FUSB_REG_STATUS1_RXSOP1			BIT(6)
+#define FUSB_REG_STATUS1_RX_EMPTY		BIT(5)
+#define FUSB_REG_STATUS1_RX_FULL		BIT(4)
+#define FUSB_REG_STATUS1_TX_EMPTY		BIT(3)
+#define FUSB_REG_STATUS1_TX_FULL		BIT(2)
+#define FUSB_REG_INTERRUPT			0x42
+#define FUSB_REG_INTERRUPT_VBUSOK		BIT(7)
+#define FUSB_REG_INTERRUPT_ACTIVITY		BIT(6)
+#define FUSB_REG_INTERRUPT_COMP_CHNG		BIT(5)
+#define FUSB_REG_INTERRUPT_CRC_CHK		BIT(4)
+#define FUSB_REG_INTERRUPT_ALERT		BIT(3)
+#define FUSB_REG_INTERRUPT_WAKE			BIT(2)
+#define FUSB_REG_INTERRUPT_COLLISION		BIT(1)
+#define FUSB_REG_INTERRUPT_BC_LVL		BIT(0)
+#define FUSB_REG_FIFOS				0x43
+
+/* Tokens defined for the FUSB302 TX FIFO */
+enum fusb302_txfifo_tokens {
+	FUSB302_TKN_TXON = 0xA1,
+	FUSB302_TKN_SYNC1 = 0x12,
+	FUSB302_TKN_SYNC2 = 0x13,
+	FUSB302_TKN_SYNC3 = 0x1B,
+	FUSB302_TKN_RST1 = 0x15,
+	FUSB302_TKN_RST2 = 0x16,
+	FUSB302_TKN_PACKSYM = 0x80,
+	FUSB302_TKN_JAMCRC = 0xFF,
+	FUSB302_TKN_EOP = 0x14,
+	FUSB302_TKN_TXOFF = 0xFE,
+};
+
+#endif