USB Type-C Port Controller API. More...

Data Structures
struct	tcpc_chip_info
	TCPC Chip Information. More...

struct	tcpc_driver_api

Typedefs
typedef int(*	tcpc_vconn_control_cb_t) (const struct device *dev, enum tc_cc_polarity pol, bool enable)

typedef int(*	tcpc_vconn_discharge_cb_t) (const struct device *dev, enum tc_cc_polarity pol, bool enable)

typedef void(*	tcpc_alert_handler_cb_t) (const struct device dev, void data, enum tcpc_alert alert)

Enumerations
enum	tcpc_alert { TCPC_ALERT_CC_STATUS , TCPC_ALERT_POWER_STATUS , TCPC_ALERT_MSG_STATUS , TCPC_ALERT_HARD_RESET_RECEIVED , TCPC_ALERT_TRANSMIT_MSG_FAILED , TCPC_ALERT_TRANSMIT_MSG_DISCARDED , TCPC_ALERT_TRANSMIT_MSG_SUCCESS , TCPC_ALERT_VBUS_ALARM_HI , TCPC_ALERT_VBUS_ALARM_LO , TCPC_ALERT_FAULT_STATUS , TCPC_ALERT_RX_BUFFER_OVERFLOW , TCPC_ALERT_VBUS_SNK_DISCONNECT , TCPC_ALERT_BEGINNING_MSG_STATUS , TCPC_ALERT_EXTENDED_STATUS , TCPC_ALERT_EXTENDED , TCPC_ALERT_VENDOR_DEFINED }
	TCPC Alert bits. More...

enum	tcpc_status_reg { TCPC_CC_STATUS , TCPC_POWER_STATUS , TCPC_FAULT_STATUS , TCPC_EXTENDED_STATUS , TCPC_EXTENDED_ALERT_STATUS , TCPC_VENDOR_DEFINED_STATUS }
	TCPC Status register. More...

Functions
static int	tcpc_is_cc_rp (enum tc_cc_voltage_state cc)
	Returns whether the sink has detected a Rp resistor on the other side.

static int	tcpc_is_cc_open (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if both CC lines are completely open.

static int	tcpc_is_cc_snk_dbg_acc (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if we detect the port partner is a snk debug accessory.

static int	tcpc_is_cc_src_dbg_acc (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if we detect the port partner is a src debug accessory.

static int	tcpc_is_cc_audio_acc (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if the port partner is an audio accessory.

static int	tcpc_is_cc_at_least_one_rd (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if the port partner is presenting at least one Rd.

static int	tcpc_is_cc_only_one_rd (enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state cc2)
	Returns true if the port partner is presenting Rd on only one CC line.

static int	tcpc_init (const struct device *dev)
	Initializes the TCPC.

static int	tcpc_get_cc (const struct device dev, enum tc_cc_voltage_state cc1, enum tc_cc_voltage_state *cc2)
	Reads the status of the CC lines.

static int	tcpc_select_rp_value (const struct device *dev, enum tc_rp_value rp)
	Sets the value of CC pull up resistor used when operating as a Source.

static int	tcpc_get_rp_value (const struct device dev, enum tc_rp_value rp)
	Gets the value of the CC pull up resistor used when operating as a Source.

static int	tcpc_set_cc (const struct device *dev, enum tc_cc_pull pull)
	Sets the CC pull resistor and sets the role as either Source or Sink.

static void	tcpc_set_vconn_cb (const struct device *dev, tcpc_vconn_control_cb_t vconn_cb)
	Sets a callback that can enable or disable VCONN if the TCPC is unable to or the system is configured in a way that does not use the VCONN control capabilities of the TCPC.

static void	tcpc_set_vconn_discharge_cb (const struct device *dev, tcpc_vconn_discharge_cb_t cb)
	Sets a callback that can enable or discharge VCONN if the TCPC is unable to or the system is configured in a way that does not use the VCONN control capabilities of the TCPC.

static int	tcpc_vconn_discharge (const struct device *dev, bool enable)
	Discharges VCONN.

static int	tcpc_set_vconn (const struct device *dev, bool enable)
	Enables or disables VCONN.

static int	tcpc_set_roles (const struct device *dev, enum tc_power_role power_role, enum tc_data_role data_role)
	Sets the Power and Data Role of the PD message header.

static int	tcpc_get_rx_pending_msg (const struct device dev, struct pd_msg buf)
	Retrieves the Power Delivery message from the TCPC.

static int	tcpc_set_rx_enable (const struct device *dev, bool enable)
	Enables the reception of SOP* message types.

static int	tcpc_set_cc_polarity (const struct device *dev, enum tc_cc_polarity polarity)
	Sets the polarity of the CC lines.

static int	tcpc_transmit_data (const struct device dev, struct pd_msg msg)
	Transmits a Power Delivery message.

static int	tcpc_dump_std_reg (const struct device *dev)
	Dump a set of TCPC registers.

static int	tcpc_set_alert_handler_cb (const struct device dev, tcpc_alert_handler_cb_t handler, void data)
	Sets the alert function that's called when an interrupt is triggered due to an alert bit.

static int	tcpc_get_status_register (const struct device dev, enum tcpc_status_reg reg, int32_t status)
	Gets a status register.

static int	tcpc_clear_status_register (const struct device *dev, enum tcpc_status_reg reg, uint32_t mask)
	Clears a TCPC status register.

static int	tcpc_mask_status_register (const struct device *dev, enum tcpc_status_reg reg, uint32_t mask)
	Sets the mask of a TCPC status register.

static int	tcpc_set_debug_accessory (const struct device *dev, bool enable)
	Manual control of TCPC DebugAccessory control.

static int	tcpc_set_debug_detach (const struct device *dev)
	Detach from a debug connection.

static int	tcpc_set_drp_toggle (const struct device *dev, bool enable)
	Enable TCPC auto dual role toggle.

static int	tcpc_get_snk_ctrl (const struct device *dev)
	Queries the current sinking state of the TCPC.

static int	tcpc_get_src_ctrl (const struct device *dev)
	Queries the current sourcing state of the TCPC.

static int	tcpc_set_bist_test_mode (const struct device *dev, bool enable)
	Controls the BIST Mode of the TCPC.

static int	tcpc_get_chip_info (const struct device dev, struct tcpc_chip_info chip_info)
	Gets the TCPC firmware version.

static int	tcpc_set_low_power_mode (const struct device *dev, bool enable)
	Instructs the TCPC to enter or exit low power mode.

static int	tcpc_sop_prime_enable (const struct device *dev, bool enable)
	Enables the reception of SOP Prime messages.

Detailed Description

USB Type-C Port Controller API.

Since: 3.1

Version: 0.1.0

Typedef Documentation

◆ tcpc_alert_handler_cb_t

typedef void(* tcpc_alert_handler_cb_t) (const struct device *dev, void *data, enum tcpc_alert alert)

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

◆ tcpc_vconn_control_cb_t

typedef int(* tcpc_vconn_control_cb_t) (const struct device *dev, enum tc_cc_polarity pol, bool enable)

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

◆ tcpc_vconn_discharge_cb_t

typedef int(* tcpc_vconn_discharge_cb_t) (const struct device *dev, enum tc_cc_polarity pol, bool enable)

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Enumeration Type Documentation

◆ tcpc_alert

enum tcpc_alert

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

TCPC Alert bits.

Enumerator
TCPC_ALERT_CC_STATUS	CC status changed.
TCPC_ALERT_POWER_STATUS	Power status changed.
TCPC_ALERT_MSG_STATUS	Receive Buffer register changed.
TCPC_ALERT_HARD_RESET_RECEIVED	Received Hard Reset message.
TCPC_ALERT_TRANSMIT_MSG_FAILED	SOP* message transmission not successful.
TCPC_ALERT_TRANSMIT_MSG_DISCARDED	Reset or SOP* message transmission not sent due to an incoming receive message.
TCPC_ALERT_TRANSMIT_MSG_SUCCESS	Reset or SOP* message transmission successful.
TCPC_ALERT_VBUS_ALARM_HI	A high-voltage alarm has occurred.
TCPC_ALERT_VBUS_ALARM_LO	A low-voltage alarm has occurred.
TCPC_ALERT_FAULT_STATUS	A fault has occurred. Read the FAULT_STATUS register
TCPC_ALERT_RX_BUFFER_OVERFLOW	TCPC RX buffer has overflowed.
TCPC_ALERT_VBUS_SNK_DISCONNECT	The TCPC in Attached.SNK state has detected a sink disconnect.
TCPC_ALERT_BEGINNING_MSG_STATUS	Receive buffer register changed.
TCPC_ALERT_EXTENDED_STATUS	Extended status changed.
TCPC_ALERT_EXTENDED	An extended interrupt event has occurred. Read the alert_extended register
TCPC_ALERT_VENDOR_DEFINED	A vendor defined alert has been detected.

◆ tcpc_status_reg

enum tcpc_status_reg

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

TCPC Status register.

Enumerator
TCPC_CC_STATUS	The CC Status register.
TCPC_POWER_STATUS	The Power Status register.
TCPC_FAULT_STATUS	The Fault Status register.
TCPC_EXTENDED_STATUS	The Extended Status register.
TCPC_EXTENDED_ALERT_STATUS	The Extended Alert Status register.
TCPC_VENDOR_DEFINED_STATUS	The Vendor Defined Status register.

Function Documentation

◆ tcpc_clear_status_register()

static int tcpc_clear_status_register	(	const struct device *	dev,
		enum tcpc_status_reg	reg,
		uint32_t	mask
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Clears a TCPC status register.

Parameters

dev	Runtime device structure
reg	The status register to read
mask	A bit mask of the status register to clear. A status bit is cleared when it's set to 1.

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_dump_std_reg()

static int tcpc_dump_std_reg ( const struct device * dev )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Dump a set of TCPC registers.

Parameters

dev	Runtime device structure

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_get_cc()

static int tcpc_get_cc	(	const struct device *	dev,
		enum tc_cc_voltage_state *	cc1,
		enum tc_cc_voltage_state *	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Reads the status of the CC lines.

Parameters

dev	Runtime device structure
cc1	A pointer where the CC1 status is written
cc2	A pointer where the CC2 status is written

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_get_chip_info()

static int tcpc_get_chip_info	(	const struct device *	dev,
		struct tcpc_chip_info *	chip_info
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Gets the TCPC firmware version.

Parameters

dev	Runtime device structure
chip_info	Pointer to TCPC chip info where the version is stored

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_get_rp_value()

static int tcpc_get_rp_value	(	const struct device *	dev,
		enum tc_rp_value *	rp
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Gets the value of the CC pull up resistor used when operating as a Source.

Parameters

dev	Runtime device structure
rp	pointer where the value of the Pull-Up Resistor is stored

Return values

0	on success
-ENOSYS
-EIO	on failure

◆ tcpc_get_rx_pending_msg()

static int tcpc_get_rx_pending_msg	(	const struct device *	dev,
		struct pd_msg *	buf
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Retrieves the Power Delivery message from the TCPC.

If buf is NULL, then only the status is returned, where 0 means there is a message pending and -ENODATA means there is no pending message.

Parameters

dev	Runtime device structure
buf	pointer where the pd_buf pointer is written, NULL if only checking the status

Return values

Greater	or equal to 0 is the number of bytes received if buf parameter is provided
0	if there is a message pending and buf parameter is NULL
-EIO	on failure
-ENODATA	if no message is pending

◆ tcpc_get_snk_ctrl()

static int tcpc_get_snk_ctrl ( const struct device * dev )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Queries the current sinking state of the TCPC.

Parameters

dev	Runtime device structure

Return values

true	if sinking power
false	if not sinking power
-ENOSYS	if not implemented

◆ tcpc_get_src_ctrl()

static int tcpc_get_src_ctrl ( const struct device * dev )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Queries the current sourcing state of the TCPC.

Parameters

dev	Runtime device structure

Return values

true	if sourcing power
false	if not sourcing power
-ENOSYS	if not implemented

◆ tcpc_get_status_register()

static int tcpc_get_status_register	(	const struct device *	dev,
		enum tcpc_status_reg	reg,
		int32_t *	status
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Gets a status register.

Parameters

dev	Runtime device structure
reg	The status register to read
status	Pointer where the status is stored

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_init()

static int tcpc_init ( const struct device * dev )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Initializes the TCPC.

Parameters

dev	Runtime device structure

Return values

0	on success
-EIO	on failure
-EAGAIN	if initialization should be postponed

◆ tcpc_is_cc_at_least_one_rd()

static int tcpc_is_cc_at_least_one_rd	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if the port partner is presenting at least one Rd.

◆ tcpc_is_cc_audio_acc()

static int tcpc_is_cc_audio_acc	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if the port partner is an audio accessory.

◆ tcpc_is_cc_only_one_rd()

static int tcpc_is_cc_only_one_rd	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if the port partner is presenting Rd on only one CC line.

◆ tcpc_is_cc_open()

static int tcpc_is_cc_open	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if both CC lines are completely open.

◆ tcpc_is_cc_rp()

static int tcpc_is_cc_rp ( enum tc_cc_voltage_state cc )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns whether the sink has detected a Rp resistor on the other side.

◆ tcpc_is_cc_snk_dbg_acc()

static int tcpc_is_cc_snk_dbg_acc	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if we detect the port partner is a snk debug accessory.

◆ tcpc_is_cc_src_dbg_acc()

static int tcpc_is_cc_src_dbg_acc	(	enum tc_cc_voltage_state	cc1,
		enum tc_cc_voltage_state	cc2
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Returns true if we detect the port partner is a src debug accessory.

◆ tcpc_mask_status_register()

static int tcpc_mask_status_register	(	const struct device *	dev,
		enum tcpc_status_reg	reg,
		uint32_t	mask
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the mask of a TCPC status register.

Parameters

dev	Runtime device structure
reg	The status register to read
mask	A bit mask of the status register to mask. The status bit is masked if it's 0, else it's unmasked.

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_select_rp_value()

static int tcpc_select_rp_value	(	const struct device *	dev,
		enum tc_rp_value	rp
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the value of CC pull up resistor used when operating as a Source.

Parameters

dev	Runtime device structure
rp	Value of the Pull-Up Resistor.

Return values

0	on success
-ENOSYS
-EIO	on failure

◆ tcpc_set_alert_handler_cb()

static int tcpc_set_alert_handler_cb	(	const struct device *	dev,
		tcpc_alert_handler_cb_t	handler,
		void *	data
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the alert function that's called when an interrupt is triggered due to an alert bit.

Calling this function enables the particular alert bit

Parameters

dev	Runtime device structure
handler	The callback function called when the bit is set
data	user data passed to the callback

Return values

0	on success
-EINVAL	on failure

◆ tcpc_set_bist_test_mode()

static int tcpc_set_bist_test_mode	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Controls the BIST Mode of the TCPC.

It disables RX alerts while the mode is active.

Parameters

dev	Runtime device structure
enable	The TCPC enters BIST TEST Mode when true

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_cc()

static int tcpc_set_cc	(	const struct device *	dev,
		enum tc_cc_pull	pull
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the CC pull resistor and sets the role as either Source or Sink.

Parameters

dev	Runtime device structure
pull	The pull resistor to set

Return values

0	on success
-EIO	on failure

◆ tcpc_set_cc_polarity()

static int tcpc_set_cc_polarity	(	const struct device *	dev,
		enum tc_cc_polarity	polarity
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the polarity of the CC lines.

Parameters

dev	Runtime device structure
polarity	Polarity of the cc line

Return values

0	on success
-EIO	on failure

◆ tcpc_set_debug_accessory()

static int tcpc_set_debug_accessory	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Manual control of TCPC DebugAccessory control.

Parameters

dev	Runtime device structure
enable	Enable Debug Accessory when true, else it's disabled

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_debug_detach()

static int tcpc_set_debug_detach ( const struct device * dev )

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Detach from a debug connection.

Parameters

dev	Runtime device structure

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_drp_toggle()

static int tcpc_set_drp_toggle	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Enable TCPC auto dual role toggle.

Parameters

dev	Runtime device structure
enable	Auto dual role toggle is active when true, else it's disabled

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_low_power_mode()

static int tcpc_set_low_power_mode	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Instructs the TCPC to enter or exit low power mode.

Parameters

dev	Runtime device structure
enable	The TCPC enters low power mode when true, else it exits it

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_roles()

static int tcpc_set_roles	(	const struct device *	dev,
		enum tc_power_role	power_role,
		enum tc_data_role	data_role
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets the Power and Data Role of the PD message header.

This function only needs to be called once per data / power role change

Parameters

dev	Runtime device structure
power_role	current power role
data_role	current data role

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_rx_enable()

static int tcpc_set_rx_enable	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Enables the reception of SOP* message types.

Parameters

dev	Runtime device structure
enable	Enable Power Delivery when true, else it's disabled

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_vconn()

static int tcpc_set_vconn	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Enables or disables VCONN.

This function uses the TCPC to measure VCONN if possible or calls the callback function set by tcpc_set_vconn_cb

Parameters

dev	Runtime device structure
enable	VCONN is enabled when true, it's disabled

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_set_vconn_cb()

static void tcpc_set_vconn_cb	(	const struct device *	dev,
		tcpc_vconn_control_cb_t	vconn_cb
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets a callback that can enable or disable VCONN if the TCPC is unable to or the system is configured in a way that does not use the VCONN control capabilities of the TCPC.

The callback is called in the tcpc_set_vconn function if vconn_cb isn't NULL

Parameters

dev	Runtime device structure
vconn_cb	pointer to the callback function that controls vconn

◆ tcpc_set_vconn_discharge_cb()

static void tcpc_set_vconn_discharge_cb	(	const struct device *	dev,
		tcpc_vconn_discharge_cb_t	cb
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Sets a callback that can enable or discharge VCONN if the TCPC is unable to or the system is configured in a way that does not use the VCONN control capabilities of the TCPC.

The callback is called in the tcpc_vconn_discharge function if cb isn't NULL

Parameters

dev	Runtime device structure
cb	pointer to the callback function that discharges vconn

◆ tcpc_sop_prime_enable()

static int tcpc_sop_prime_enable	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Enables the reception of SOP Prime messages.

Parameters

dev	Runtime device structure
enable	Can receive SOP Prime messages when true, else it can not

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_transmit_data()

static int tcpc_transmit_data	(	const struct device *	dev,
		struct pd_msg *	msg
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Transmits a Power Delivery message.

Parameters

dev	Runtime device structure
msg	Power Delivery message to transmit

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

◆ tcpc_vconn_discharge()

static int tcpc_vconn_discharge	(	const struct device *	dev,
		bool	enable
	)

inlinestatic

#include <zephyr/drivers/usb_c/usbc_tcpc.h>

Discharges VCONN.

This function uses the TCPC to discharge VCONN if possible or calls the callback function set by tcpc_set_vconn_cb

Parameters

dev	Runtime device structure
enable	VCONN discharge is enabled when true, it's disabled

Return values

0	on success
-EIO	on failure
-ENOSYS	if not implemented

Data Structures

Typedefs

Enumerations

Functions

Detailed Description

Typedef Documentation

◆ tcpc_alert_handler_cb_t

◆ tcpc_vconn_control_cb_t

◆ tcpc_vconn_discharge_cb_t

Enumeration Type Documentation

◆ tcpc_alert

◆ tcpc_status_reg

Function Documentation

◆ tcpc_clear_status_register()

◆ tcpc_dump_std_reg()

◆ tcpc_get_cc()

◆ tcpc_get_chip_info()

◆ tcpc_get_rp_value()

◆ tcpc_get_rx_pending_msg()

◆ tcpc_get_snk_ctrl()

◆ tcpc_get_src_ctrl()

◆ tcpc_get_status_register()

◆ tcpc_init()

◆ tcpc_is_cc_at_least_one_rd()

◆ tcpc_is_cc_audio_acc()

◆ tcpc_is_cc_only_one_rd()

◆ tcpc_is_cc_open()

◆ tcpc_is_cc_rp()

◆ tcpc_is_cc_snk_dbg_acc()

◆ tcpc_is_cc_src_dbg_acc()

◆ tcpc_mask_status_register()

◆ tcpc_select_rp_value()

◆ tcpc_set_alert_handler_cb()

◆ tcpc_set_bist_test_mode()

◆ tcpc_set_cc()

◆ tcpc_set_cc_polarity()

◆ tcpc_set_debug_accessory()

◆ tcpc_set_debug_detach()

◆ tcpc_set_drp_toggle()

◆ tcpc_set_low_power_mode()

◆ tcpc_set_roles()

◆ tcpc_set_rx_enable()

◆ tcpc_set_vconn()

◆ tcpc_set_vconn_cb()

◆ tcpc_set_vconn_discharge_cb()

◆ tcpc_sop_prime_enable()

◆ tcpc_transmit_data()

◆ tcpc_vconn_discharge()