#include <stdint.h>
#include <string.h>
#include "no_os_util.h"
#include "no_os_i2c.h"

Include dependency graph for lt7182s.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	lt7182s_dev

struct	lt7182s_init_param

struct	lt7182s_chip_info

struct	lt7182s_status

Macros
#define	LT7182S_PAGE 0x00

#define	LT7182S_OPERATION 0x01

#define	LT7182S_ON_OFF_CONFIG 0x02

#define	LT7182S_CLEAR_FAULTS 0x03

#define	LT7182S_PAGE_PLUS_WRITE 0x05

#define	LT7182S_PAGE_PLUS_READ 0x06

#define	LT7182S_ZONE_CONFIG 0x07

#define	LT7182S_ZONE_ACTIVE 0x08

#define	LT7182S_WRITE_PROTECT 0x10

#define	LT7182S_STORE_USER_ALL 0x15

#define	LT7182S_RESTORE_USER_ALL 0x16

#define	LT7182S_CAPABILITY 0x19

#define	LT7182S_QUERY 0x1A

#define	LT7182S_SMBALERT_MASK 0x1B

#define	LT7182S_VOUT_MODE 0x20

#define	LT7182S_VOUT_COMMAND 0x21

#define	LT7182S_VOUT_MAX 0x24

#define	LT7182S_VOUT_MARGIN_HIGH 0x25

#define	LT7182S_VOUT_MARGIN_LOW 0x26

#define	LT7182S_VOUT_TRANSITION_RATE 0x27

#define	LT7182S_FREQUENCY_SWITCH 0x33

#define	LT7182S_VIN_ON 0x35

#define	LT7182S_VIN_OFF 0x36

#define	LT7182S_VOUT_OV_FAULT_LIMIT 0x40

#define	LT7182S_VOUT_OV_FAULT_RESPONSE 0x41

#define	LT7182S_VOUT_OV_WARN_LIMIT 0x42

#define	LT7182S_VOUT_UV_WARN_LIMIT 0x43

#define	LT7182S_VOUT_UV_FAULT_LIMIT 0x44

#define	LT7182S_VOUT_UV_FAULT_RESPONSE 0x45

#define	LT7182S_IOUT_OC_FAULT_RESPONSE 0x47

#define	LT7182S_IOUT_OC_WARN_LIMIT 0x4A

#define	LT7182S_OT_FAULT_LIMIT 0x4F

#define	LT7182S_OT_FAULT_RESPONSE 0x50

#define	LT7182S_OT_WARN_LIMIT 0x51

#define	LT7182S_VIN_OV_FAULT_RESPONSE 0x56

#define	LT7182S_VIN_UV_WARN_LIMIT 0x58

#define	LT7182S_IIN_OC_WARN_LIMIT 0x5D

#define	LT7182S_TON_DELAY 0x60

#define	LT7182S_TON_RISE 0x61

#define	LT7182S_TON_MAX_FAULT_LIMIT 0x62

#define	LT7182S_TON_MAX_FAULT_RESPONSE 0x63

#define	LT7182S_TOFF_DELAY 0x64

#define	LT7182S_TOFF_FALL 0x65

#define	LT7182S_TOFF_MAX_WARN_LIMIT 0x66

#define	LT7182S_STATUS_BYTE 0x78

#define	LT7182S_STATUS_WORD 0x79

#define	LT7182S_STATUS_VOUT 0x7A

#define	LT7182S_STATUS_IOUT 0x7B

#define	LT7182S_STATUS_INPUT 0x7C

#define	LT7182S_STATUS_TEMPERATURE 0x7D

#define	LT7182S_STATUS_CML 0x7E

#define	LT7182S_STATUS_MFR_SPECIFIC 0x80

#define	LT7182S_READ_VIN 0x88

#define	LT7182S_READ_IIN 0x89

#define	LT7182S_READ_VOUT 0x8B

#define	LT7182S_READ_IOUT 0x8C

#define	LT7182S_READ_TEMPERATURE_1 0x8D

#define	LT7182S_READ_FREQUENCY 0x95

#define	LT7182S_READ_POUT 0x96

#define	LT7182S_REVISION 0x98

#define	LT7182S_MFR_ID 0x99

#define	LT7182S_MFR_MODEL 0x9A

#define	LT7182S_MFR_REVISION 0x9B

#define	LT7182S_MFR_SERIAL 0x9E

#define	LT7182S_IC_DEVICE_ID 0xAD

#define	LT7182S_IC_DEVICE_REV 0xAE

#define	LT7182S_MFR_USER_DATA_00 0xC9

#define	LT7182S_MFR_USER_DATA_01 0xCA

#define	LT7182S_MFR_USER_DATA_02 0xCB

#define	LT7182S_MFR_USER_DATA_03 0xCC

#define	LT7182S_MFR_READ_EXTVCC 0xCD

#define	LT7182S_MFR_READ_ITH 0xCE

#define	LT7182S_MFR_CHAN_CONFIG 0xD0

#define	LT7182S_MFR_CONFIG_ALL 0xD1

#define	LT7182S_MFR_FAULT_PROPAGATE 0xD2

#define	LT7182S_MFR_PWM_MODE 0xD4

#define	LT7182S_MFR_FAULT_RESPONSE 0xD5

#define	LT7182S_MFR_IOUT_PEAK 0xD7

#define	LT7182S_MFR_ADC_CONTROL 0xD8

#define	LT7182S_MFR_RETRY_DELAY 0xDB

#define	LT7182S_MFR_RESTART_DELAY 0xDC

#define	LT7182S_MFR_VOUT_PEAK 0xDD

#define	LT7182S_MFR_VIN_PEAK 0xDE

#define	LT7182S_MFR_TEMPERATURE_1_PEAK 0xDF

#define	LT7182S_MFR_CLEAR_PEAKS 0xE3

#define	LT7182S_MFR_DISCHARGE_THRESHOLD 0xE4

#define	LT7182S_MFR_PADS 0xE5

#define	LT7182S_MFR_ADDRESS 0xE6

#define	LT7182S_MFR_SPECIAL_ID 0xE7

#define	LT7182S_MFR_FAULT_LOG_TIMESTAMP_MSBS 0xE8

#define	LT7182S_MFR_FAULT_LOG_TIMESTAMP_LSBS 0xE9

#define	LT7182S_MFR_FAULT_LOG_STORE 0xEA

#define	LT7182S_MFR_FAULT_LOG_CLEAR 0xEC

#define	LT7182S_MFR_FAULT_LOG 0xEE

#define	LT7182S_MFR_COMMON 0xEF

#define	LT7182S_MFR_COMPARE_USER_ALL 0xF0

#define	LT7182S_MFR_CHANNEL_STATE 0xF1

#define	LT7182S_MFR_PGOOD_DELAY 0xF2

#define	LT7182S_MFR_NOT_PGOOD_DELAY 0xF3

#define	LT7182S_MFR_PWM_PHASE 0xF5

#define	LT7182S_MFR_SYNC_CONFIG 0xF6

#define	LT7182S_MFR_PIN_CONFIG 0xF7

#define	LT7182S_MFR_RAIL_ADDRESS 0xFA

#define	LT7182S_MFR_DISABLE_OUTPUT 0xFB

#define	LT7182S_MFR_EE_USER_WP 0xFC

#define	LT7182S_MFR_RESET 0xFD

#define	LT7182S_CRC_POLYNOMIAL 0x7

#define	LT7182S_VOUT_MODE_VAL_MSK NO_OS_GENMASK(4,0)

#define	LT7182S_LIN11_MANTISSA_MAX 1023L

#define	LT7182S_LIN11_MANTISSA_MIN 511L

#define	LT7182S_LIN11_EXPONENT_MAX 15

#define	LT7182S_LIN11_EXPONENT_MIN -15

#define	LT7182S_LIN11_MANTISSA_MSK NO_OS_GENMASK(10,0)

#define	LT7182S_LIN11_EXPONENT_MSK NO_OS_GENMASK(15,11)

#define	LT7182S_LIN11_EXPONENT(x) (int16_t)(x) >> 11

#define	LT7182S_LIN11_MANTISSA(x) ((int16_t)((x & 0x7FF) << 5)) >> 5

#define	LT7182S_LIN16_EXPONENT -12

#define	LT7182S_IEEE754_SIGN_BIT NO_OS_BIT(15)

#define	LT7182S_IEEE754_EXPONENT_MSK NO_OS_GENMASK(14, 10)

#define	LT7182S_IEEE754_MANTISSA_MSK NO_OS_GENMASK(9, 0)

#define	LT7182S_IEEE754_MAX_MANTISSA 0x7ff

#define	LT7182S_IEEE754_MIN_MANTISSA 0x400

#define	LT7182S_FREQ_MIN 400000

#define	LT7182S_FREQ_MAX 4000000

#define	LT7182S_VIN_ON_MIN 1400

#define	LT7182S_VIN_ON_MAX 20000

#define	LT7182S_VIN_OFF_MIN 1350

#define	LT7182S_VIN_OFF_MAX 20000

#define	LT7182S_PHASE_FULL_MILLI 360000

#define	LT7182S_STATUS_BYTE_TYPE_MSK 0x01

#define	LT7182S_STATUS_VOUT_TYPE_MSK 0x02

#define	LT7182S_STATUS_IOUT_TYPE_MSK 0x04

#define	LT7182S_STATUS_INPUT_TYPE_MSK 0x08

#define	LT7182S_STATUS_TEMP_TYPE_MSK 0x10

#define	LT7182S_STATUS_CML_TYPE_MSK 0x20

#define	LT7182S_STATUS_MFR_SPECIFIC_TYPE_MSK 0x40

#define	LT7182S_STATUS_WORD_TYPE_MSK 0x80

#define	LT7182S_STATUS_ALL_TYPE_MSK 0xFF

#define	LT7182S_PWM_OP_MODE_BIT NO_OS_BIT(0)

#define	LT7182S_SYNC_CLK_INPUT_BIT NO_OS_BIT(1)

#define	LT7182S_SYNC_CLK_OUTPUT_BIT NO_OS_BIT(0)

#define	LT7182S_ADC_CTRL_LOW_FREQ_BIT NO_OS_BIT(1)

#define	LT7182S_ADC_CTRL_DEBUG_BIT NO_OS_BIT(0)

#define	LT7182S_CONFIG_ALL_FORMAT_BIT NO_OS_BIT(8)

#define	LT7182S_CONFIG_ALL_PEC_BIT NO_OS_BIT(2)

#define	LT7182S_PADS_RUN0_BIT NO_OS_BIT(4)

#define	LT7182S_PADS_RUN1_BIT NO_OS_BIT(5)

#define	LT7182S_SPECIAL_ID_VALUE 0x1C1D

Enumerations
enum	lt7182s_chip_id { ID_LT7182S, ID_LT7184S }

enum	lt7182s_output_channel { LT7182S_CHAN_0, LT7182S_CHAN_1, LT7182S_CHAN_ALL = 0xFF }

enum	lt7182s_fault_pin_config { LT7182S_FAULT_PIN_INPUT, LT7182S_FAULT_PIN_OUTPUT }

enum	lt7182s_data_format { LT7182S_DATA_FORMAT_LINEAR, LT7182S_DATA_FORMAT_IEEE754 }

enum	lt7182s_operation_type { LT7182S_OPERATION_OFF = 0x00, LT7182S_OPERATION_ON = 0x80, LT7182S_OPERATION_MARGIN_HIGH = 0x98, LT7182S_OPERATION_MARGIN_LOW = 0xA8, LT7182S_OPERATION_SEQ_OFF = 0x40 }

enum	lt7182s_value_type { LT7182S_VIN = LT7182S_READ_VIN, LT7182S_IIN = LT7182S_READ_IIN, LT7182S_VOUT = LT7182S_READ_VOUT, LT7182S_IOUT = LT7182S_READ_IOUT, LT7182S_TEMP = LT7182S_READ_TEMPERATURE_1, LT7182S_FREQUENCY = LT7182S_READ_FREQUENCY, LT7182S_POUT = LT7182S_READ_POUT, LT7182S_ITH = LT7182S_MFR_READ_ITH, LT7182S_EXTVCC = LT7182S_MFR_READ_EXTVCC, LT7182S_IOUT_PEAK = LT7182S_MFR_IOUT_PEAK, LT7182S_VOUT_PEAK = LT7182S_MFR_VOUT_PEAK, LT7182S_VIN_PEAK = LT7182S_MFR_VIN_PEAK, LT7182S_TEMP_PEAK = LT7182S_MFR_TEMPERATURE_1_PEAK }

enum	lt7182s_limit_type { LT7182S_VOUT_OV_FAULT_LIMIT_TYPE = LT7182S_VOUT_OV_FAULT_LIMIT, LT7182S_VOUT_OV_WARN_LIMIT_TYPE = LT7182S_VOUT_OV_WARN_LIMIT, LT7182S_VOUT_UV_FAULT_LIMIT_TYPE = LT7182S_VOUT_UV_FAULT_LIMIT, LT7182S_VOUT_UV_WARN_LIMIT_TYPE = LT7182S_VOUT_UV_WARN_LIMIT, LT7182S_IIN_OC_WARN_LIMIT_TYPE = LT7182S_IIN_OC_WARN_LIMIT, LT7182S_IOUT_OC_WARN_LIMIT_TYPE = LT7182S_IOUT_OC_WARN_LIMIT, LT7182S_OT_FAULT_LIMIT_TYPE = LT7182S_OT_FAULT_LIMIT, LT7182S_OT_WARN_LIMIT_TYPE = LT7182S_OT_WARN_LIMIT, LT7182S_VIN_UV_WARN_LIMIT_TYPE = LT7182S_VIN_UV_WARN_LIMIT, LT7182S_TON_MAX_FAULT_LIMIT_TYPE = LT7182S_TON_MAX_FAULT_LIMIT, LT7182S_TOFF_MAX_WARN_LIMIT_TYPE = LT7182S_TOFF_MAX_WARN_LIMIT }

enum	lt7182s_status_type { LT7182S_STATUS_BYTE_TYPE = LT7182S_STATUS_BYTE_TYPE_MSK, LT7182S_STATUS_VOUT_TYPE = LT7182S_STATUS_VOUT_TYPE_MSK, LT7182S_STATUS_IOUT_TYPE = LT7182S_STATUS_IOUT_TYPE_MSK, LT7182S_STATUS_INPUT_TYPE = LT7182S_STATUS_INPUT_TYPE_MSK, LT7182S_STATUS_TEMP_TYPE = LT7182S_STATUS_TEMP_TYPE_MSK, LT7182S_STATUS_CML_TYPE = LT7182S_STATUS_CML_TYPE_MSK, LT7182S_STATUS_MFR_SPECIFIC_TYPE = LT7182S_STATUS_MFR_SPECIFIC_TYPE_MSK, LT7182S_STATUS_WORD_TYPE = LT7182S_STATUS_WORD_TYPE_MSK, LT7182S_STATUS_ALL_TYPE = LT7182S_STATUS_ALL_TYPE_MSK }

enum	lt7182s_timing_type { LT7182S_TON_DELAY_TYPE = LT7182S_TON_DELAY, LT7182S_TON_RISE_TYPE = LT7182S_TON_RISE, LT7182S_TOFF_DELAY_TYPE = LT7182S_TOFF_DELAY, LT7182S_TOFF_FALL_TYPE = LT7182S_TOFF_FALL, LT7182_RETRY_DELAY_TYPE = LT7182S_MFR_RETRY_DELAY, LT7182S_RESTART_DELAY_TYPE = LT7182S_MFR_RESTART_DELAY }

enum	lt7182s_nvm_cmd_type { LT7182S_LOCK_USER, LT7182S_UNLOCK_USER, LT7182S_STORE_USER = LT7182S_STORE_USER_ALL, LT7182S_RESTORE_USER = LT7182S_RESTORE_USER_ALL, LT7182S_COMPARE_USER = LT7182S_MFR_COMPARE_USER_ALL }

enum	lt7182s_pwm_mode { LT7182S_PWM_FORCED_CONTINUOUS_MODE, LT7182S_PWM_PULSE_SKIP_MODE }

Functions
int	lt7182s_init (struct lt7182s_dev *dev, struct lt7182s_init_param init_param)
	Initialize the device structure. More...

int	lt7182s_remove (struct lt7182s_dev *dev)
	Free or remove device instance. More...

int	lt7182s_set_page (struct lt7182s_dev *dev, int page)
	Set page of the device. Page 0x0 - Channel 0 Page 0x1 - Channel 1 Page 0xff - Both channels. More...

int	lt7182s_send_byte (struct lt7182s_dev *dev, int page, uint8_t cmd)
	Send a PMBus command to the device. More...

int	lt7182s_read_byte (struct lt7182s_dev dev, int page, uint8_t cmd, uint8_t data)
	Perform a raw PMBus read byte operation. More...

int	lt7182s_write_byte (struct lt7182s_dev *dev, int page, uint8_t cmd, uint8_t value)
	Perform a raw PMBus write byte operation. More...

int	lt7182s_read_word (struct lt7182s_dev dev, int page, uint8_t cmd, uint16_t word)
	Perform a raw PMBus read word operation. More...

int	lt7182s_write_word (struct lt7182s_dev *dev, int page, uint8_t cmd, uint16_t word)
	Perform a raw PMBus write word operation. More...

int	lt7182s_read_word_data (struct lt7182s_dev dev, int page, uint8_t cmd, int data)
	Perform a PMBus read word operation and converts to actual value. More...

int	lt7182s_write_word_data (struct lt7182s_dev *dev, int page, uint8_t cmd, int data)
	Converts value to register data and do PMBus write word operation. More...

int	lt7182s_read_block_data (struct lt7182s_dev dev, int page, uint8_t cmd, uint8_t data, size_t nbytes)
	Perform a PMBus read block operation. More...

int	lt7182s_read_value (struct lt7182s_dev dev, int channel, enum lt7182s_value_type value_type, int value)
	Read a value. More...

int	lt7182s_read_status (struct lt7182s_dev dev, int channel, enum lt7182s_status_type status_type, struct lt7182s_status status)
	Read statuses. More...

int	lt7182s_vout_value (struct lt7182s_dev *dev, int channel, int vout_command, int vout_max)
	Set output voltage and its upper limit. More...

int	lt7182s_vout_tr (struct lt7182s_dev *dev, int channel, int tr)
	Set output voltage transition rate. More...

int	lt7182s_vout_margin (struct lt7182s_dev *dev, int channel, int margin_high, int margin_low)
	Set output voltage margin. More...

int	lt7182s_set_vin (struct lt7182s_dev *dev, int channel, int vin_on, int vin_off)
	Set input voltage window at which power conversion will proceed. More...

int	lt7182s_set_timing (struct lt7182s_dev *dev, int channel, enum lt7182s_timing_type timing_type, int time)
	Set timing values. More...

int	lt7182s_switch_freq (struct lt7182s_dev *dev, int freq)
	Set switching frequency. More...

int	lt7182s_pwm_mode (struct lt7182s_dev *dev, int channel, enum lt7182s_pwm_mode pwm_mode)
	Set output PWM mode. More...

int	lt7182s_pwm_phase (struct lt7182s_dev *dev, int channel, int phase)
	Set output PWM phase. More...

int	lt7182s_set_limit (struct lt7182s_dev *dev, int channel, enum lt7182s_limit_type limit, int limit_val)
	Set overvalue and undervalue limits. More...

int	lt7182s_set_operation (struct lt7182s_dev *dev, int channel, enum lt7182s_operation_type operation)
	Set channel operation. More...

int	lt7182s_set_channel_state (struct lt7182s_dev *dev, int channel, bool state)
	Set channel state using the RUN pin. More...

int	lt7182s_sync_config (struct lt7182s_dev *dev, bool input_clk, bool output_clk)
	Configure SYNC pin for clock synchronization. More...

int	lt7182s_adc_control (struct lt7182s_dev *dev, bool low_freq_telemetry, bool debug_telemetry)
	Configure ADC control. More...

int	lt7182s_nvm_cmd (struct lt7182s_dev *dev, enum lt7182s_nvm_cmd_type cmd)
	Perform commands for non-volatile memory/EEPROM. More...

int	lt7182s_clear_faults (struct lt7182s_dev *dev)
	Clear all asserted faults. More...

int	lt7182s_software_reset (struct lt7182s_dev *dev)
	Perform a device software reset. More...

Macro Definition Documentation

◆ LT7182S_ADC_CTRL_DEBUG_BIT

#define LT7182S_ADC_CTRL_DEBUG_BIT NO_OS_BIT(0)

◆ LT7182S_ADC_CTRL_LOW_FREQ_BIT

#define LT7182S_ADC_CTRL_LOW_FREQ_BIT NO_OS_BIT(1)

◆ LT7182S_CAPABILITY

#define LT7182S_CAPABILITY 0x19

◆ LT7182S_CLEAR_FAULTS

#define LT7182S_CLEAR_FAULTS 0x03

◆ LT7182S_CONFIG_ALL_FORMAT_BIT

#define LT7182S_CONFIG_ALL_FORMAT_BIT NO_OS_BIT(8)

◆ LT7182S_CONFIG_ALL_PEC_BIT

#define LT7182S_CONFIG_ALL_PEC_BIT NO_OS_BIT(2)

◆ LT7182S_CRC_POLYNOMIAL

#define LT7182S_CRC_POLYNOMIAL 0x7

◆ LT7182S_FREQ_MAX

#define LT7182S_FREQ_MAX 4000000

◆ LT7182S_FREQ_MIN

#define LT7182S_FREQ_MIN 400000

◆ LT7182S_FREQUENCY_SWITCH

#define LT7182S_FREQUENCY_SWITCH 0x33

◆ LT7182S_IC_DEVICE_ID

#define LT7182S_IC_DEVICE_ID 0xAD

◆ LT7182S_IC_DEVICE_REV

#define LT7182S_IC_DEVICE_REV 0xAE

◆ LT7182S_IEEE754_EXPONENT_MSK

#define LT7182S_IEEE754_EXPONENT_MSK NO_OS_GENMASK(14, 10)

◆ LT7182S_IEEE754_MANTISSA_MSK

#define LT7182S_IEEE754_MANTISSA_MSK NO_OS_GENMASK(9, 0)

◆ LT7182S_IEEE754_MAX_MANTISSA

#define LT7182S_IEEE754_MAX_MANTISSA 0x7ff

◆ LT7182S_IEEE754_MIN_MANTISSA

#define LT7182S_IEEE754_MIN_MANTISSA 0x400

◆ LT7182S_IEEE754_SIGN_BIT

#define LT7182S_IEEE754_SIGN_BIT NO_OS_BIT(15)

◆ LT7182S_IIN_OC_WARN_LIMIT

#define LT7182S_IIN_OC_WARN_LIMIT 0x5D

◆ LT7182S_IOUT_OC_FAULT_RESPONSE

#define LT7182S_IOUT_OC_FAULT_RESPONSE 0x47

◆ LT7182S_IOUT_OC_WARN_LIMIT

#define LT7182S_IOUT_OC_WARN_LIMIT 0x4A

◆ LT7182S_LIN11_EXPONENT

#define LT7182S_LIN11_EXPONENT ( x ) (int16_t)(x) >> 11

◆ LT7182S_LIN11_EXPONENT_MAX

#define LT7182S_LIN11_EXPONENT_MAX 15

◆ LT7182S_LIN11_EXPONENT_MIN

#define LT7182S_LIN11_EXPONENT_MIN -15

◆ LT7182S_LIN11_EXPONENT_MSK

#define LT7182S_LIN11_EXPONENT_MSK NO_OS_GENMASK(15,11)

◆ LT7182S_LIN11_MANTISSA

#define LT7182S_LIN11_MANTISSA ( x ) ((int16_t)((x & 0x7FF) << 5)) >> 5

◆ LT7182S_LIN11_MANTISSA_MAX

#define LT7182S_LIN11_MANTISSA_MAX 1023L

◆ LT7182S_LIN11_MANTISSA_MIN

#define LT7182S_LIN11_MANTISSA_MIN 511L

◆ LT7182S_LIN11_MANTISSA_MSK

#define LT7182S_LIN11_MANTISSA_MSK NO_OS_GENMASK(10,0)

◆ LT7182S_LIN16_EXPONENT

#define LT7182S_LIN16_EXPONENT -12

◆ LT7182S_MFR_ADC_CONTROL

#define LT7182S_MFR_ADC_CONTROL 0xD8

◆ LT7182S_MFR_ADDRESS

#define LT7182S_MFR_ADDRESS 0xE6

◆ LT7182S_MFR_CHAN_CONFIG

#define LT7182S_MFR_CHAN_CONFIG 0xD0

◆ LT7182S_MFR_CHANNEL_STATE

#define LT7182S_MFR_CHANNEL_STATE 0xF1

◆ LT7182S_MFR_CLEAR_PEAKS

#define LT7182S_MFR_CLEAR_PEAKS 0xE3

◆ LT7182S_MFR_COMMON

#define LT7182S_MFR_COMMON 0xEF

◆ LT7182S_MFR_COMPARE_USER_ALL

#define LT7182S_MFR_COMPARE_USER_ALL 0xF0

◆ LT7182S_MFR_CONFIG_ALL

#define LT7182S_MFR_CONFIG_ALL 0xD1

◆ LT7182S_MFR_DISABLE_OUTPUT

#define LT7182S_MFR_DISABLE_OUTPUT 0xFB

◆ LT7182S_MFR_DISCHARGE_THRESHOLD

#define LT7182S_MFR_DISCHARGE_THRESHOLD 0xE4

◆ LT7182S_MFR_EE_USER_WP

#define LT7182S_MFR_EE_USER_WP 0xFC

◆ LT7182S_MFR_FAULT_LOG

#define LT7182S_MFR_FAULT_LOG 0xEE

◆ LT7182S_MFR_FAULT_LOG_CLEAR

#define LT7182S_MFR_FAULT_LOG_CLEAR 0xEC

◆ LT7182S_MFR_FAULT_LOG_STORE

#define LT7182S_MFR_FAULT_LOG_STORE 0xEA

◆ LT7182S_MFR_FAULT_LOG_TIMESTAMP_LSBS

#define LT7182S_MFR_FAULT_LOG_TIMESTAMP_LSBS 0xE9

◆ LT7182S_MFR_FAULT_LOG_TIMESTAMP_MSBS

#define LT7182S_MFR_FAULT_LOG_TIMESTAMP_MSBS 0xE8

◆ LT7182S_MFR_FAULT_PROPAGATE

#define LT7182S_MFR_FAULT_PROPAGATE 0xD2

◆ LT7182S_MFR_FAULT_RESPONSE

#define LT7182S_MFR_FAULT_RESPONSE 0xD5

◆ LT7182S_MFR_ID

#define LT7182S_MFR_ID 0x99

◆ LT7182S_MFR_IOUT_PEAK

#define LT7182S_MFR_IOUT_PEAK 0xD7

◆ LT7182S_MFR_MODEL

#define LT7182S_MFR_MODEL 0x9A

◆ LT7182S_MFR_NOT_PGOOD_DELAY

#define LT7182S_MFR_NOT_PGOOD_DELAY 0xF3

◆ LT7182S_MFR_PADS

#define LT7182S_MFR_PADS 0xE5

◆ LT7182S_MFR_PGOOD_DELAY

#define LT7182S_MFR_PGOOD_DELAY 0xF2

◆ LT7182S_MFR_PIN_CONFIG

#define LT7182S_MFR_PIN_CONFIG 0xF7

◆ LT7182S_MFR_PWM_MODE

#define LT7182S_MFR_PWM_MODE 0xD4

◆ LT7182S_MFR_PWM_PHASE

#define LT7182S_MFR_PWM_PHASE 0xF5

◆ LT7182S_MFR_RAIL_ADDRESS

#define LT7182S_MFR_RAIL_ADDRESS 0xFA

◆ LT7182S_MFR_READ_EXTVCC

#define LT7182S_MFR_READ_EXTVCC 0xCD

◆ LT7182S_MFR_READ_ITH

#define LT7182S_MFR_READ_ITH 0xCE

◆ LT7182S_MFR_RESET

#define LT7182S_MFR_RESET 0xFD

◆ LT7182S_MFR_RESTART_DELAY

#define LT7182S_MFR_RESTART_DELAY 0xDC

◆ LT7182S_MFR_RETRY_DELAY

#define LT7182S_MFR_RETRY_DELAY 0xDB

◆ LT7182S_MFR_REVISION

#define LT7182S_MFR_REVISION 0x9B

◆ LT7182S_MFR_SERIAL

#define LT7182S_MFR_SERIAL 0x9E

◆ LT7182S_MFR_SPECIAL_ID

#define LT7182S_MFR_SPECIAL_ID 0xE7

◆ LT7182S_MFR_SYNC_CONFIG

#define LT7182S_MFR_SYNC_CONFIG 0xF6

◆ LT7182S_MFR_TEMPERATURE_1_PEAK

#define LT7182S_MFR_TEMPERATURE_1_PEAK 0xDF

◆ LT7182S_MFR_USER_DATA_00

#define LT7182S_MFR_USER_DATA_00 0xC9

◆ LT7182S_MFR_USER_DATA_01

#define LT7182S_MFR_USER_DATA_01 0xCA

◆ LT7182S_MFR_USER_DATA_02

#define LT7182S_MFR_USER_DATA_02 0xCB

◆ LT7182S_MFR_USER_DATA_03

#define LT7182S_MFR_USER_DATA_03 0xCC

◆ LT7182S_MFR_VIN_PEAK

#define LT7182S_MFR_VIN_PEAK 0xDE

◆ LT7182S_MFR_VOUT_PEAK

#define LT7182S_MFR_VOUT_PEAK 0xDD

◆ LT7182S_ON_OFF_CONFIG

#define LT7182S_ON_OFF_CONFIG 0x02

◆ LT7182S_OPERATION

#define LT7182S_OPERATION 0x01

◆ LT7182S_OT_FAULT_LIMIT

#define LT7182S_OT_FAULT_LIMIT 0x4F

◆ LT7182S_OT_FAULT_RESPONSE

#define LT7182S_OT_FAULT_RESPONSE 0x50

◆ LT7182S_OT_WARN_LIMIT

#define LT7182S_OT_WARN_LIMIT 0x51

◆ LT7182S_PADS_RUN0_BIT

#define LT7182S_PADS_RUN0_BIT NO_OS_BIT(4)

◆ LT7182S_PADS_RUN1_BIT

#define LT7182S_PADS_RUN1_BIT NO_OS_BIT(5)

◆ LT7182S_PAGE

#define LT7182S_PAGE 0x00

◆ LT7182S_PAGE_PLUS_READ

#define LT7182S_PAGE_PLUS_READ 0x06

◆ LT7182S_PAGE_PLUS_WRITE

#define LT7182S_PAGE_PLUS_WRITE 0x05

◆ LT7182S_PHASE_FULL_MILLI

#define LT7182S_PHASE_FULL_MILLI 360000

◆ LT7182S_PWM_OP_MODE_BIT

#define LT7182S_PWM_OP_MODE_BIT NO_OS_BIT(0)

◆ LT7182S_QUERY

#define LT7182S_QUERY 0x1A

◆ LT7182S_READ_FREQUENCY

#define LT7182S_READ_FREQUENCY 0x95

◆ LT7182S_READ_IIN

#define LT7182S_READ_IIN 0x89

◆ LT7182S_READ_IOUT

#define LT7182S_READ_IOUT 0x8C

◆ LT7182S_READ_POUT

#define LT7182S_READ_POUT 0x96

◆ LT7182S_READ_TEMPERATURE_1

#define LT7182S_READ_TEMPERATURE_1 0x8D

◆ LT7182S_READ_VIN

#define LT7182S_READ_VIN 0x88

◆ LT7182S_READ_VOUT

#define LT7182S_READ_VOUT 0x8B

◆ LT7182S_RESTORE_USER_ALL

#define LT7182S_RESTORE_USER_ALL 0x16

◆ LT7182S_REVISION

#define LT7182S_REVISION 0x98

◆ LT7182S_SMBALERT_MASK

#define LT7182S_SMBALERT_MASK 0x1B

◆ LT7182S_SPECIAL_ID_VALUE

#define LT7182S_SPECIAL_ID_VALUE 0x1C1D

◆ LT7182S_STATUS_ALL_TYPE_MSK

#define LT7182S_STATUS_ALL_TYPE_MSK 0xFF

◆ LT7182S_STATUS_BYTE

#define LT7182S_STATUS_BYTE 0x78

◆ LT7182S_STATUS_BYTE_TYPE_MSK

#define LT7182S_STATUS_BYTE_TYPE_MSK 0x01

◆ LT7182S_STATUS_CML

#define LT7182S_STATUS_CML 0x7E

◆ LT7182S_STATUS_CML_TYPE_MSK

#define LT7182S_STATUS_CML_TYPE_MSK 0x20

◆ LT7182S_STATUS_INPUT

#define LT7182S_STATUS_INPUT 0x7C

◆ LT7182S_STATUS_INPUT_TYPE_MSK

#define LT7182S_STATUS_INPUT_TYPE_MSK 0x08

◆ LT7182S_STATUS_IOUT

#define LT7182S_STATUS_IOUT 0x7B

◆ LT7182S_STATUS_IOUT_TYPE_MSK

#define LT7182S_STATUS_IOUT_TYPE_MSK 0x04

◆ LT7182S_STATUS_MFR_SPECIFIC

#define LT7182S_STATUS_MFR_SPECIFIC 0x80

◆ LT7182S_STATUS_MFR_SPECIFIC_TYPE_MSK

#define LT7182S_STATUS_MFR_SPECIFIC_TYPE_MSK 0x40

◆ LT7182S_STATUS_TEMP_TYPE_MSK

#define LT7182S_STATUS_TEMP_TYPE_MSK 0x10

◆ LT7182S_STATUS_TEMPERATURE

#define LT7182S_STATUS_TEMPERATURE 0x7D

◆ LT7182S_STATUS_VOUT

#define LT7182S_STATUS_VOUT 0x7A

◆ LT7182S_STATUS_VOUT_TYPE_MSK

#define LT7182S_STATUS_VOUT_TYPE_MSK 0x02

◆ LT7182S_STATUS_WORD

#define LT7182S_STATUS_WORD 0x79

◆ LT7182S_STATUS_WORD_TYPE_MSK

#define LT7182S_STATUS_WORD_TYPE_MSK 0x80

◆ LT7182S_STORE_USER_ALL

#define LT7182S_STORE_USER_ALL 0x15

◆ LT7182S_SYNC_CLK_INPUT_BIT

#define LT7182S_SYNC_CLK_INPUT_BIT NO_OS_BIT(1)

◆ LT7182S_SYNC_CLK_OUTPUT_BIT

#define LT7182S_SYNC_CLK_OUTPUT_BIT NO_OS_BIT(0)

◆ LT7182S_TOFF_DELAY

#define LT7182S_TOFF_DELAY 0x64

◆ LT7182S_TOFF_FALL

#define LT7182S_TOFF_FALL 0x65

◆ LT7182S_TOFF_MAX_WARN_LIMIT

#define LT7182S_TOFF_MAX_WARN_LIMIT 0x66

◆ LT7182S_TON_DELAY

#define LT7182S_TON_DELAY 0x60

◆ LT7182S_TON_MAX_FAULT_LIMIT

#define LT7182S_TON_MAX_FAULT_LIMIT 0x62

◆ LT7182S_TON_MAX_FAULT_RESPONSE

#define LT7182S_TON_MAX_FAULT_RESPONSE 0x63

◆ LT7182S_TON_RISE

#define LT7182S_TON_RISE 0x61

◆ LT7182S_VIN_OFF

#define LT7182S_VIN_OFF 0x36

◆ LT7182S_VIN_OFF_MAX

#define LT7182S_VIN_OFF_MAX 20000

◆ LT7182S_VIN_OFF_MIN

#define LT7182S_VIN_OFF_MIN 1350

◆ LT7182S_VIN_ON

#define LT7182S_VIN_ON 0x35

◆ LT7182S_VIN_ON_MAX

#define LT7182S_VIN_ON_MAX 20000

◆ LT7182S_VIN_ON_MIN

#define LT7182S_VIN_ON_MIN 1400

◆ LT7182S_VIN_OV_FAULT_RESPONSE

#define LT7182S_VIN_OV_FAULT_RESPONSE 0x56

◆ LT7182S_VIN_UV_WARN_LIMIT

#define LT7182S_VIN_UV_WARN_LIMIT 0x58

◆ LT7182S_VOUT_COMMAND

#define LT7182S_VOUT_COMMAND 0x21

◆ LT7182S_VOUT_MARGIN_HIGH

#define LT7182S_VOUT_MARGIN_HIGH 0x25

◆ LT7182S_VOUT_MARGIN_LOW

#define LT7182S_VOUT_MARGIN_LOW 0x26

◆ LT7182S_VOUT_MAX

#define LT7182S_VOUT_MAX 0x24

◆ LT7182S_VOUT_MODE

#define LT7182S_VOUT_MODE 0x20

◆ LT7182S_VOUT_MODE_VAL_MSK

#define LT7182S_VOUT_MODE_VAL_MSK NO_OS_GENMASK(4,0)

◆ LT7182S_VOUT_OV_FAULT_LIMIT

#define LT7182S_VOUT_OV_FAULT_LIMIT 0x40

◆ LT7182S_VOUT_OV_FAULT_RESPONSE

#define LT7182S_VOUT_OV_FAULT_RESPONSE 0x41

◆ LT7182S_VOUT_OV_WARN_LIMIT

#define LT7182S_VOUT_OV_WARN_LIMIT 0x42

◆ LT7182S_VOUT_TRANSITION_RATE

#define LT7182S_VOUT_TRANSITION_RATE 0x27

◆ LT7182S_VOUT_UV_FAULT_LIMIT

#define LT7182S_VOUT_UV_FAULT_LIMIT 0x44

◆ LT7182S_VOUT_UV_FAULT_RESPONSE

#define LT7182S_VOUT_UV_FAULT_RESPONSE 0x45

◆ LT7182S_VOUT_UV_WARN_LIMIT

#define LT7182S_VOUT_UV_WARN_LIMIT 0x43

◆ LT7182S_WRITE_PROTECT

#define LT7182S_WRITE_PROTECT 0x10

◆ LT7182S_ZONE_ACTIVE

#define LT7182S_ZONE_ACTIVE 0x08

◆ LT7182S_ZONE_CONFIG

#define LT7182S_ZONE_CONFIG 0x07

Enumeration Type Documentation

◆ lt7182s_chip_id

enum lt7182s_chip_id

Enumerator
ID_LT7182S
ID_LT7184S

◆ lt7182s_data_format

enum lt7182s_data_format

Enumerator
LT7182S_DATA_FORMAT_LINEAR
LT7182S_DATA_FORMAT_IEEE754

◆ lt7182s_fault_pin_config

enum lt7182s_fault_pin_config

Enumerator
LT7182S_FAULT_PIN_INPUT
LT7182S_FAULT_PIN_OUTPUT

◆ lt7182s_limit_type

enum lt7182s_limit_type

Enumerator
LT7182S_VOUT_OV_FAULT_LIMIT_TYPE
LT7182S_VOUT_OV_WARN_LIMIT_TYPE
LT7182S_VOUT_UV_FAULT_LIMIT_TYPE
LT7182S_VOUT_UV_WARN_LIMIT_TYPE
LT7182S_IIN_OC_WARN_LIMIT_TYPE
LT7182S_IOUT_OC_WARN_LIMIT_TYPE
LT7182S_OT_FAULT_LIMIT_TYPE
LT7182S_OT_WARN_LIMIT_TYPE
LT7182S_VIN_UV_WARN_LIMIT_TYPE
LT7182S_TON_MAX_FAULT_LIMIT_TYPE
LT7182S_TOFF_MAX_WARN_LIMIT_TYPE

◆ lt7182s_nvm_cmd_type

enum lt7182s_nvm_cmd_type

Enumerator
LT7182S_LOCK_USER
LT7182S_UNLOCK_USER
LT7182S_STORE_USER
LT7182S_RESTORE_USER
LT7182S_COMPARE_USER

◆ lt7182s_operation_type

enum lt7182s_operation_type

Enumerator
LT7182S_OPERATION_OFF
LT7182S_OPERATION_ON
LT7182S_OPERATION_MARGIN_HIGH
LT7182S_OPERATION_MARGIN_LOW
LT7182S_OPERATION_SEQ_OFF

◆ lt7182s_output_channel

enum lt7182s_output_channel

Enumerator
LT7182S_CHAN_0
LT7182S_CHAN_1
LT7182S_CHAN_ALL

◆ lt7182s_pwm_mode

enum lt7182s_pwm_mode

Enumerator
LT7182S_PWM_FORCED_CONTINUOUS_MODE
LT7182S_PWM_PULSE_SKIP_MODE

◆ lt7182s_status_type

enum lt7182s_status_type

Enumerator
LT7182S_STATUS_BYTE_TYPE
LT7182S_STATUS_VOUT_TYPE
LT7182S_STATUS_IOUT_TYPE
LT7182S_STATUS_INPUT_TYPE
LT7182S_STATUS_TEMP_TYPE
LT7182S_STATUS_CML_TYPE
LT7182S_STATUS_MFR_SPECIFIC_TYPE
LT7182S_STATUS_WORD_TYPE
LT7182S_STATUS_ALL_TYPE

◆ lt7182s_timing_type

enum lt7182s_timing_type

Enumerator
LT7182S_TON_DELAY_TYPE
LT7182S_TON_RISE_TYPE
LT7182S_TOFF_DELAY_TYPE
LT7182S_TOFF_FALL_TYPE
LT7182_RETRY_DELAY_TYPE
LT7182S_RESTART_DELAY_TYPE

◆ lt7182s_value_type

enum lt7182s_value_type

Enumerator
LT7182S_VIN
LT7182S_IIN
LT7182S_VOUT
LT7182S_IOUT
LT7182S_TEMP
LT7182S_FREQUENCY
LT7182S_POUT
LT7182S_ITH
LT7182S_EXTVCC
LT7182S_IOUT_PEAK
LT7182S_VOUT_PEAK
LT7182S_VIN_PEAK
LT7182S_TEMP_PEAK

Function Documentation

◆ lt7182s_adc_control()

int lt7182s_adc_control	(	struct lt7182s_dev *	dev,
		bool	low_freq_telemetry,
		bool	debug_telemetry
	)

Configure ADC control.

Parameters

dev	- Device structure
low_freq_telemetry	- Enable for low frequency telemetry (every 100ms)
debug_telemetry	- Enable for debug telemetry with EXTVcc and Ith

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_clear_faults()

int lt7182s_clear_faults ( struct lt7182s_dev * dev )

Clear all asserted faults.

Parameters

dev	- Device structure

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_init()

int lt7182s_init	(	struct lt7182s_dev **	device,
		struct lt7182s_init_param *	init_param
	)

Initialize the device structure.

Parameters

device	- Device structure
init_param	- Initialization parameters

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_nvm_cmd()

int lt7182s_nvm_cmd	(	struct lt7182s_dev *	dev,
		enum lt7182s_nvm_cmd_type	cmd
	)

Perform commands for non-volatile memory/EEPROM.

Parameters

dev	- Device structure
cmd	- NVM commands. Example: LT7182S_LOCK_USER LT7182S_UNLOCK_USER LT7182S_STORE_USER LT7182S_COMPARE_USER LT7182S_RESTORE_USER

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_pwm_mode()

int lt7182s_pwm_mode	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_pwm_mode	pwm_mode
	)

Set output PWM mode.

Parameters

dev	- Device structure
channel	- Output channel
pwm_mode	-

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_pwm_phase()

int lt7182s_pwm_phase	(	struct lt7182s_dev *	dev,
		int	channel,
		int	phase
	)

Set output PWM phase.

Parameters

dev	- Device structure
channel	- Channel
phase	- Phase in milli-degrees

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_read_block_data()

int lt7182s_read_block_data	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		uint8_t *	data,
		size_t	nbytes
	)

Perform a PMBus read block operation.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
data	- Address of the read block
nbytes	- Size of the block in bytes

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_read_byte()

int lt7182s_read_byte	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		uint8_t *	data
	)

Perform a raw PMBus read byte operation.

Parameters

dev	- Device structure
page	- Page or channel of the command
cmd	- PMBus command
data	- Address of the byte read

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_read_status()

int lt7182s_read_status	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_status_type	status_type,
		struct lt7182s_status *	status
	)

Read statuses.

Parameters

dev	- Device structure
channel	- Channel of the status to read
status_type	- Status type. Example values: LT7182S_STATUS_BYTE_TYPE LT7182S_STATUS_VOUT_TYPE LT7182S_STATUS_IOUT_TYPE LT7182S_STATUS_INPUT_TYPE LT7182S_STATUS_CML_TYPE
status	- Address of the status structure

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_read_value()

int lt7182s_read_value	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_value_type	value_type,
		int *	value
	)

Read a value.

Parameters

dev	- Device structure
channel	- Channel selected
value_type	- Value type. Example values: LT7182S_VIN LT7182S_VOUT LT7182S_IIN LT7182S_IOUT LT7182S_TEMP LT7182S_FREQUENCY
value	- Address of the read value

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_read_word()

int lt7182s_read_word	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		uint16_t *	word
	)

Perform a raw PMBus read word operation.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
word	- Address of the read word

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_read_word_data()

int lt7182s_read_word_data	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		int *	data
	)

Perform a PMBus read word operation and converts to actual value.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
data	- Address of data read

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_remove()

int lt7182s_remove ( struct lt7182s_dev * dev )

Free or remove device instance.

Parameters

dev	- The device structure

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_send_byte()

int lt7182s_send_byte	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd
	)

Send a PMBus command to the device.

Parameters

dev	- Device structure
page	- Page or channel of the command
cmd	- PMBus command

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_set_channel_state()

int lt7182s_set_channel_state	(	struct lt7182s_dev *	dev,
		int	channel,
		bool	state
	)

Set channel state using the RUN pin.

Parameters

dev	- Device structure
channel	- Channel
state	- true for ON, false for OFF

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_set_limit()

int lt7182s_set_limit	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_limit_type	limit,
		int	limit_val
	)

Set overvalue and undervalue limits.

Parameters

dev	- Device structure
channel	- Channel
limit	- Limit value type. Example: LT7182S_VOUT_OV_FAULT_LIMIT_TYPE LT7182S_OT_WARN_LIMIT_TYPE LT7182S_TON_MAX_FAULT_LIMIT_TYPE LT7182S_IIN_OC_WARN_LIMIT_TYPE
limit_val	- Limit value in milli-units for voltage and current, and microseconds for timing.

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_set_operation()

int lt7182s_set_operation	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_operation_type	operation
	)

Set channel operation.

Parameters

dev	- Device structure
channel	- Channel
operation	- Operation. Accepted values are: LT7182S_OPERATION_OFF LT7182S_OPERATION_ON LT7182S_OPERATION_MARGIN_HIGH LT7182S_OPERATION_MARGIN_LOW LT7182S_OPERATION_SEQ_OFF

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_set_page()

int lt7182s_set_page	(	struct lt7182s_dev *	dev,
		int	page
	)

Set page of the device. Page 0x0 - Channel 0 Page 0x1 - Channel 1 Page 0xff - Both channels.

Parameters

dev	- Device structure
page	- Page to set

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_set_timing()

int lt7182s_set_timing	(	struct lt7182s_dev *	dev,
		int	channel,
		enum lt7182s_timing_type	timing_type,
		int	time
	)

Set timing values.

Parameters

dev	- Device structure
channel	- Channel
timing_type	- Timing value type. Example: LT7182S_TON_DELAY_TYPE LT7182S_TON_RISE_TYPE LT7182S_TOFF_DELAY_TYPE LT7182_RETRY_DELAY_TYPE
time	- Time value in microseconds

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_set_vin()

int lt7182s_set_vin	(	struct lt7182s_dev *	dev,
		int	channel,
		int	vin_on,
		int	vin_off
	)

Set input voltage window at which power conversion will proceed.

Parameters

dev	- Device structure
channel	- Channel
vin_on	- Input voltage in millivolts at which conversion will start
vin_off	- Input voltage in millivolts at which conversion will stop

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_software_reset()

int lt7182s_software_reset ( struct lt7182s_dev * dev )

Perform a device software reset.

Parameters

dev	- Device structure

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_switch_freq()

int lt7182s_switch_freq	(	struct lt7182s_dev *	dev,
		int	freq
	)

Set switching frequency.

Parameters

dev	- Device structure
freq	- Frequency to set in Hz. Value should be between 400 kHz and 4000 kHz.

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_sync_config()

int lt7182s_sync_config	(	struct lt7182s_dev *	dev,
		bool	input_clk,
		bool	output_clk
	)

Configure SYNC pin for clock synchronization.

Parameters

dev	- Device structure
input_clk	- Enable to use SYNC clock input
output_clk	- Enable to use SYNC output clock

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_vout_margin()

int lt7182s_vout_margin	(	struct lt7182s_dev *	dev,
		int	channel,
		int	margin_high,
		int	margin_low
	)

Set output voltage margin.

Parameters

dev	- Device structure
channel	- Channel
margin_high	- Upper margin in millivolts
margin_low	- Lower margin in millivolts

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_vout_tr()

int lt7182s_vout_tr	(	struct lt7182s_dev *	dev,
		int	channel,
		int	tr
	)

Set output voltage transition rate.

Parameters

dev	- Device structure
channel	- Channel
tr	- Transition rate in V/s or mV/ms

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_vout_value()

int lt7182s_vout_value	(	struct lt7182s_dev *	dev,
		int	channel,
		int	vout_command,
		int	vout_max
	)

Set output voltage and its upper limit.

Parameters

dev	- Device structure
channel	- Channel
vout_command	- Output voltage in millivolts
vout_max	- Output voltage upper limit in millivolts

Returns: 0 in case of success, negative error code otherwise

◆ lt7182s_write_byte()

int lt7182s_write_byte	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		uint8_t	value
	)

Perform a raw PMBus write byte operation.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
value	- Byte to be written

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_write_word()

int lt7182s_write_word	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		uint16_t	word
	)

Perform a raw PMBus write word operation.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
word	- Word to write

Returns: 0 in case of success, negative error code otherwise

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◆ lt7182s_write_word_data()

int lt7182s_write_word_data	(	struct lt7182s_dev *	dev,
		int	page,
		uint8_t	cmd,
		int	data
	)

Converts value to register data and do PMBus write word operation.

Parameters

dev	- Device structure
page	- Page/channel of the command
cmd	- PMBus command
data	- Value to write

Returns: 0 in case of success, negative error code otherwise

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Classes

Macros

Enumerations

Functions

Macro Definition Documentation

◆ LT7182S_ADC_CTRL_DEBUG_BIT

◆ LT7182S_ADC_CTRL_LOW_FREQ_BIT

◆ LT7182S_CAPABILITY

◆ LT7182S_CLEAR_FAULTS

◆ LT7182S_CONFIG_ALL_FORMAT_BIT

◆ LT7182S_CONFIG_ALL_PEC_BIT

◆ LT7182S_CRC_POLYNOMIAL

◆ LT7182S_FREQ_MAX

◆ LT7182S_FREQ_MIN

◆ LT7182S_FREQUENCY_SWITCH

◆ LT7182S_IC_DEVICE_ID

◆ LT7182S_IC_DEVICE_REV

◆ LT7182S_IEEE754_EXPONENT_MSK

◆ LT7182S_IEEE754_MANTISSA_MSK

◆ LT7182S_IEEE754_MAX_MANTISSA

◆ LT7182S_IEEE754_MIN_MANTISSA

◆ LT7182S_IEEE754_SIGN_BIT

◆ LT7182S_IIN_OC_WARN_LIMIT

◆ LT7182S_IOUT_OC_FAULT_RESPONSE

◆ LT7182S_IOUT_OC_WARN_LIMIT

◆ LT7182S_LIN11_EXPONENT

◆ LT7182S_LIN11_EXPONENT_MAX

◆ LT7182S_LIN11_EXPONENT_MIN

◆ LT7182S_LIN11_EXPONENT_MSK

◆ LT7182S_LIN11_MANTISSA

◆ LT7182S_LIN11_MANTISSA_MAX

◆ LT7182S_LIN11_MANTISSA_MIN

◆ LT7182S_LIN11_MANTISSA_MSK

◆ LT7182S_LIN16_EXPONENT

◆ LT7182S_MFR_ADC_CONTROL

◆ LT7182S_MFR_ADDRESS

◆ LT7182S_MFR_CHAN_CONFIG

◆ LT7182S_MFR_CHANNEL_STATE

◆ LT7182S_MFR_CLEAR_PEAKS

◆ LT7182S_MFR_COMMON

◆ LT7182S_MFR_COMPARE_USER_ALL

◆ LT7182S_MFR_CONFIG_ALL

◆ LT7182S_MFR_DISABLE_OUTPUT

◆ LT7182S_MFR_DISCHARGE_THRESHOLD

◆ LT7182S_MFR_EE_USER_WP

◆ LT7182S_MFR_FAULT_LOG

◆ LT7182S_MFR_FAULT_LOG_CLEAR

◆ LT7182S_MFR_FAULT_LOG_STORE

◆ LT7182S_MFR_FAULT_LOG_TIMESTAMP_LSBS

◆ LT7182S_MFR_FAULT_LOG_TIMESTAMP_MSBS

◆ LT7182S_MFR_FAULT_PROPAGATE

◆ LT7182S_MFR_FAULT_RESPONSE

◆ LT7182S_MFR_ID

◆ LT7182S_MFR_IOUT_PEAK

◆ LT7182S_MFR_MODEL

◆ LT7182S_MFR_NOT_PGOOD_DELAY

◆ LT7182S_MFR_PADS

◆ LT7182S_MFR_PGOOD_DELAY

◆ LT7182S_MFR_PIN_CONFIG

◆ LT7182S_MFR_PWM_MODE

◆ LT7182S_MFR_PWM_PHASE

◆ LT7182S_MFR_RAIL_ADDRESS

◆ LT7182S_MFR_READ_EXTVCC

◆ LT7182S_MFR_READ_ITH

◆ LT7182S_MFR_RESET

◆ LT7182S_MFR_RESTART_DELAY

◆ LT7182S_MFR_RETRY_DELAY

◆ LT7182S_MFR_REVISION

◆ LT7182S_MFR_SERIAL

◆ LT7182S_MFR_SPECIAL_ID

◆ LT7182S_MFR_SYNC_CONFIG

◆ LT7182S_MFR_TEMPERATURE_1_PEAK

◆ LT7182S_MFR_USER_DATA_00

◆ LT7182S_MFR_USER_DATA_01

◆ LT7182S_MFR_USER_DATA_02

◆ LT7182S_MFR_USER_DATA_03

◆ LT7182S_MFR_VIN_PEAK

◆ LT7182S_MFR_VOUT_PEAK

◆ LT7182S_ON_OFF_CONFIG

◆ LT7182S_OPERATION