adp5055.h File Reference

Header file for the ADP5055 Driver. More...

#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include "no_os_gpio.h"
#include "no_os_i2c.h"
#include "no_os_pwm.h"
#include "no_os_util.h"
#include "no_os_units.h"

Include dependency graph for adp5055.h:

Classes
struct	adp5055_init_param
	Initialization parameter for the ADP5055 device. More...
struct	adp5055_desc
	Device descriptor for ADP5055. More...

Macros
#define	ADP5055_CAPABILITY   0x19
#define	ADP5055_STATUS_CML   0x7E
#define	ADP5055_MODEL_ID   0xD0
#define	ADP5055_CTRL123   0xD1
#define	ADP5055_VID_GO   0xD2
#define	ADP5055_CTRL_MODE1   0xD3
#define	ADP5055_CTRL_MODE2   0xD4
#define	ADP5055_DLY1   0xD5
#define	ADP5055_DLY2   0xD6
#define	ADP5055_DLY3   0xD7
#define	ADP5055_VID1   0xD8
#define	ADP5055_VID2   0xD9
#define	ADP5055_VID3   0xDA
#define	ADP5055_DVS_CFG   0xDB
#define	ADP5055_DVS_LIM1   0xDC
#define	ADP5055_DVS_LIM2   0xDD
#define	ADP5055_DVS_LIM3   0xDE
#define	ADP5055_FT_CFG   0xDF
#define	ADP5055_PG_CFG   0xE0
#define	ADP5055_PG_READ   0xE1
#define	ADP5055_STATUS_LCH   0xE2
#define	ADP5055_CH1_ON   NO_OS_BIT(0)
#define	ADP5055_CH2_ON   NO_OS_BIT(1)
#define	ADP5055_CH3_ON   NO_OS_BIT(2)
#define	ADP5055_VID1_GO   NO_OS_BIT(0)
#define	ADP5055_VID2_GO   NO_OS_BIT(1)
#define	ADP5055_VID3_GO   NO_OS_BIT(2)
#define	ADP5055_EN_MODE_MASK   NO_OS_GENMASK(1, 0)
#define	ADP5055_DVS_AUTO   NO_OS_BIT(4)
#define	ADP5055_DSCG1_ON   NO_OS_BIT(0)
#define	ADP5055_DSCG2_ON   NO_OS_BIT(1)
#define	ADP5055_DSCG3_ON   NO_OS_BIT(2)
#define	ADP5055_PSM1_ON   NO_OS_BIT(4)
#define	ADP5055_PSM2_ON   NO_OS_BIT(5)
#define	ADP5055_PSM3_ON   NO_OS_BIT(6)
#define	ADP5055_OCP_BLANKING   NO_OS_BIT(7)
#define	ADP5055_EN_DLY_MASK   NO_OS_GENMASK(2, 0)
#define	ADP5055_DIS_DLY_MASK   NO_OS_GENMASK(6, 4)
#define	ADP5055_DVS_INTVAL1   NO_OS_GENMASK(1, 0)
#define	ADP5055_DVS_INTVAL2   NO_OS_GENMASK(3, 2)
#define	ADP5055_DVS_INTVAL3   NO_OS_GENMASK(5, 4)
#define	ADP5055_VIDX_LOW_MASK   NO_OS_GENMASK(3, 0)
#define	ADP5055_VIDX_HIGH_MASK   NO_OS_GENMASK(7, 4)
#define	ADP5055_FT1_TH   NO_OS_GENMASK(1, 0)
#define	ADP5055_FT2_TH   NO_OS_GENMASK(3, 2)
#define	ADP5055_FT3_TH   NO_OS_GENMASK(5, 4)
#define	ADP5055_PG1_MASK   NO_OS_BIT(0)
#define	ADP5055_PG2_MASK   NO_OS_BIT(1)
#define	ADP5055_PG3_MASK   NO_OS_BIT(2)
#define	ADP5055_PWRGD_DLY   NO_OS_BIT(4)
#define	ADP5055_PWRGD1   NO_OS_BIT(0)
#define	ADP5055_PWRGD2   NO_OS_BIT(1)
#define	ADP5055_PWRGD3   NO_OS_BIT(2)
#define	ADP5055_PG1_LCH   NO_OS_BIT(0)
#define	ADP5055_PG2_LCH   NO_OS_BIT(1)
#define	ADP5055_PG3_LCH   NO_OS_BIT(2)
#define	ADP5055_TSD_LCH   NO_OS_BIT(3)
#define	ADP5055_OCP1_LCH   NO_OS_BIT(4)
#define	ADP5055_OCP2_LCH   NO_OS_BIT(5)
#define	ADP5055_OCP3_LCH   NO_OS_BIT(6)
#define	ADP5055_INT_LCH   NO_OS_BIT(7)
#define	ADP5055_PMBUS_OPEN_ADDRESS   0x70
#define	ADP5055_PMBUS_0OHM_ADDRESS   0x70
#define	ADP5055_PMBUS_14KOHM_ADDRESS   0x71
#define	ADP5055_PMBUS_16KOHM_ADDRESS   0x72
#define	ADP5055_PMBUS_20KOHM_ADDRESS   0x73
#define	ADP5055_PMBUS_23KOHM_ADDRESS   0x70
#define	ADP5055_PMBUS_32KOHM_ADDRESS   0x71
#define	ADP5055_PMBUS_39KOHM_ADDRESS   0x73
#define	ADP5055_PMBUS_47KOHM_ADDRESS   0x71
#define	ADP5055_PMBUS_57KOHM_ADDRESS   0x72
#define	ADP5055_PMBUS_71KOHM_ADDRESS   0x73
#define	ADP5055_PMBUS_90KOHM_ADDRESS   0x70
#define	ADP5055_PMBUS_127KOHM_ADDRESS   0x71
#define	ADP5055_PMBUS_200KOHM_ADDRESS   0x72
#define	ADP5055_PMBUS_511KOHM_ADDRESS   0x73

Enumerations
enum	adp5055_latch_status {   ADP5055_LCH_INIT_FAIL ,   ADP5055_LCH_OVERCURRENT_HICCUP ,   ADP5055_LCH_THERMAL_SHUTDOWN ,   ADP5055_LCH_PG_FAIL }
enum	adp5055_en_mode {   ADP5055_EN_MODE_HW_ONLY ,   ADP5055_EN_MODE_SW_ONLY ,   ADP5055_EN_MODE_HW_AND_SW ,   ADP5055_EN_MODE_HW_OR_SW }
enum	adp5055_vidx_limit {   ADP5055_VIDX_LOW ,   ADP5055_VIDX_HIGH }
enum	adp5055_ft_th {   ADP5055_FT_NONE ,   ADP5055_FT_1_5WINDOW_3G ,   ADP5055_FT_1_5WINDOW_5G ,   ADP5055_FT_2_5WINDOW_5G }
enum	adp5055_dvs_intval {   ADP5055_DVS_INTVAL_125US ,   ADP5055_DVS_INTVAL_62US ,   ADP5055_DVS_INTVAL_31US ,   ADP5055_DVS_INTVAL_15US }
enum	adp5055_en_dly {   ADP5055_EN_NO_DELAY ,   ADP5055_EN_1TSET ,   ADP5055_EN_2TSET ,   ADP5055_EN_3TSET ,   ADP5055_EN_4TSET ,   ADP5055_EN_5TSET ,   ADP5055_EN_6TSET ,   ADP5055_EN_7TSET }
enum	adp5055_dis_dly {   ADP5055_DIS_NO_DELAY ,   ADP5055_DIS_2TSET ,   ADP5055_DIS_4TSET ,   ADP5055_DIS_6TSET ,   ADP5055_DIS_8TSET ,   ADP5055_DIS_10TSET ,   ADP5055_DIS_12TSET ,   ADP5055_DIS_14TSET }
enum	adp5055_channel {   ADP5055_VOUT1 ,   ADP5055_VOUT2 ,   ADP5055_VOUT3 }

Functions
int	adp5055_read (struct adp5055_desc *desc, uint8_t address, uint8_t *data)
	Read data from ADP5055.
int	adp5055_write (struct adp5055_desc *desc, uint8_t address, uint8_t data)
	Write data to ADP5055.
int	adp5055_read_status (struct adp5055_desc *desc, uint8_t *status_val)
	Read statuses.
int	adp5055_set_enable_mode (struct adp5055_desc *desc, enum adp5055_en_mode mode)
	Configures enabling for all individual channels by hardware and/or software.
int	adp5055_set_dvs_auto (struct adp5055_desc *desc, bool en)
	Enables or disables dynamic voltage scaling across all channels.
int	adp5055_set_ocp_blanking (struct adp5055_desc *desc, bool en)
	Enables or disables overcurrent protection (OCP) blanking for all channels.
int	adp5055_set_auto_pwm_psm (struct adp5055_desc *desc, enum adp5055_channel ch, bool en)
	Enables or disables automatic PWM/PSM per channel.
int	adp5055_set_output_discharge (struct adp5055_desc *desc, enum adp5055_channel ch, bool en)
	Enables or disables output discharge per channel.
int	adp5055_set_enable_disable_delay (struct adp5055_desc *desc, enum adp5055_channel ch, enum adp5055_en_dly en_dly, enum adp5055_dis_dly dis_dly)
	Sets both enable and disable delay per channel.
int	adp5055_set_vid_code (struct adp5055_desc *desc, enum adp5055_channel ch, uint8_t val)
	Sets 8-bit code of output voltage reference of a channel.
int	adp5055_start_vout (struct adp5055_desc *desc, enum adp5055_channel ch)
	Initiates output voltage transition on specified channel when dynamic voltage scaling is enabled.
int	adp5055_enable_channel (struct adp5055_desc *desc, enum adp5055_channel ch, bool en)
	Enables output voltage channel in software.
int	adp5055_set_dvs_interval (struct adp5055_desc *desc, enum adp5055_channel ch, enum adp5055_dvs_intval intval)
	Sets dynamic voltage scaling interval for each channel.
int	adp5055_set_vidx_lim (struct adp5055_desc *desc, enum adp5055_channel ch, enum adp5055_vidx_limit lim_type, uint8_t lim_val)
	Sets high or low limit for output voltage reference.
int	adp5055_set_fast_transient (struct adp5055_desc *desc, enum adp5055_channel ch, enum adp5055_ft_th ft)
	Configures fast transient sensitivity per channel.
int	adp5055_set_pg_channel_output (struct adp5055_desc *desc, enum adp5055_channel ch, bool en)
	Enables power good signal to external PWRGD hardware pin.
int	adp5055_set_pg_hw_delay (struct adp5055_desc *desc, bool en)
	Enables a delay in the PWRGD hardware pin.
int	adp5055_read_pg (struct adp5055_desc *desc, enum adp5055_channel ch, uint8_t *pg_val)
	Reads real-time power good status of specified channel.
int	adp5055_read_latched_status (struct adp5055_desc *desc, enum adp5055_channel ch, enum adp5055_latch_status lch_status_type, uint8_t *lch_status_val)
	Reads the latched status of a specified channel.
int	adp5055_init (struct adp5055_desc **desc, struct adp5055_init_param *init_param)
	Initialize the ADP5055 device.
int	adp5055_remove (struct adp5055_desc *desc)
	Free the resources allocated by the adp5055_init()

Detailed Description

Header file for the ADP5055 Driver.

Author

Angelo Catapang (angel.nosp@m.o.ca.nosp@m.tapan.nosp@m.g@an.nosp@m.alog..nosp@m.com)

Copyright 2025(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

ADP5055_CAPABILITY

#define ADP5055_CAPABILITY   0x19

ADP5055_CH1_ON

#define ADP5055_CH1_ON   NO_OS_BIT(0)

ADP5055_CH2_ON

#define ADP5055_CH2_ON   NO_OS_BIT(1)

ADP5055_CH3_ON

#define ADP5055_CH3_ON   NO_OS_BIT(2)

ADP5055_CTRL123

#define ADP5055_CTRL123   0xD1

ADP5055_CTRL_MODE1

#define ADP5055_CTRL_MODE1   0xD3

ADP5055_CTRL_MODE2

#define ADP5055_CTRL_MODE2   0xD4

ADP5055_DIS_DLY_MASK

#define ADP5055_DIS_DLY_MASK   NO_OS_GENMASK(6, 4)

ADP5055_DLY1

#define ADP5055_DLY1   0xD5

ADP5055_DLY2

#define ADP5055_DLY2   0xD6

ADP5055_DLY3

#define ADP5055_DLY3   0xD7

ADP5055_DSCG1_ON

#define ADP5055_DSCG1_ON   NO_OS_BIT(0)

ADP5055_DSCG2_ON

#define ADP5055_DSCG2_ON   NO_OS_BIT(1)

ADP5055_DSCG3_ON

#define ADP5055_DSCG3_ON   NO_OS_BIT(2)

ADP5055_DVS_AUTO

#define ADP5055_DVS_AUTO   NO_OS_BIT(4)

ADP5055_DVS_CFG

#define ADP5055_DVS_CFG   0xDB

ADP5055_DVS_INTVAL1

#define ADP5055_DVS_INTVAL1   NO_OS_GENMASK(1, 0)

ADP5055_DVS_INTVAL2

#define ADP5055_DVS_INTVAL2   NO_OS_GENMASK(3, 2)

ADP5055_DVS_INTVAL3

#define ADP5055_DVS_INTVAL3   NO_OS_GENMASK(5, 4)

ADP5055_DVS_LIM1

#define ADP5055_DVS_LIM1   0xDC

ADP5055_DVS_LIM2

#define ADP5055_DVS_LIM2   0xDD

ADP5055_DVS_LIM3

#define ADP5055_DVS_LIM3   0xDE

ADP5055_EN_DLY_MASK

#define ADP5055_EN_DLY_MASK   NO_OS_GENMASK(2, 0)

ADP5055_EN_MODE_MASK

#define ADP5055_EN_MODE_MASK   NO_OS_GENMASK(1, 0)

ADP5055_FT1_TH

#define ADP5055_FT1_TH   NO_OS_GENMASK(1, 0)

ADP5055_FT2_TH

#define ADP5055_FT2_TH   NO_OS_GENMASK(3, 2)

ADP5055_FT3_TH

#define ADP5055_FT3_TH   NO_OS_GENMASK(5, 4)

ADP5055_FT_CFG

#define ADP5055_FT_CFG   0xDF

ADP5055_INT_LCH

#define ADP5055_INT_LCH   NO_OS_BIT(7)

ADP5055_MODEL_ID

#define ADP5055_MODEL_ID   0xD0

ADP5055_OCP1_LCH

#define ADP5055_OCP1_LCH   NO_OS_BIT(4)

ADP5055_OCP2_LCH

#define ADP5055_OCP2_LCH   NO_OS_BIT(5)

ADP5055_OCP3_LCH

#define ADP5055_OCP3_LCH   NO_OS_BIT(6)

ADP5055_OCP_BLANKING

#define ADP5055_OCP_BLANKING   NO_OS_BIT(7)

ADP5055_PG1_LCH

#define ADP5055_PG1_LCH   NO_OS_BIT(0)

ADP5055_PG1_MASK

#define ADP5055_PG1_MASK   NO_OS_BIT(0)

ADP5055_PG2_LCH

#define ADP5055_PG2_LCH   NO_OS_BIT(1)

ADP5055_PG2_MASK

#define ADP5055_PG2_MASK   NO_OS_BIT(1)

ADP5055_PG3_LCH

#define ADP5055_PG3_LCH   NO_OS_BIT(2)

ADP5055_PG3_MASK

#define ADP5055_PG3_MASK   NO_OS_BIT(2)

ADP5055_PG_CFG

#define ADP5055_PG_CFG   0xE0

ADP5055_PG_READ

#define ADP5055_PG_READ   0xE1

ADP5055_PMBUS_0OHM_ADDRESS

#define ADP5055_PMBUS_0OHM_ADDRESS   0x70

ADP5055_PMBUS_127KOHM_ADDRESS

#define ADP5055_PMBUS_127KOHM_ADDRESS   0x71

ADP5055_PMBUS_14KOHM_ADDRESS

#define ADP5055_PMBUS_14KOHM_ADDRESS   0x71

ADP5055_PMBUS_16KOHM_ADDRESS

#define ADP5055_PMBUS_16KOHM_ADDRESS   0x72

ADP5055_PMBUS_200KOHM_ADDRESS

#define ADP5055_PMBUS_200KOHM_ADDRESS   0x72

ADP5055_PMBUS_20KOHM_ADDRESS

#define ADP5055_PMBUS_20KOHM_ADDRESS   0x73

ADP5055_PMBUS_23KOHM_ADDRESS

#define ADP5055_PMBUS_23KOHM_ADDRESS   0x70

ADP5055_PMBUS_32KOHM_ADDRESS

#define ADP5055_PMBUS_32KOHM_ADDRESS   0x71

ADP5055_PMBUS_39KOHM_ADDRESS

#define ADP5055_PMBUS_39KOHM_ADDRESS   0x73

ADP5055_PMBUS_47KOHM_ADDRESS

#define ADP5055_PMBUS_47KOHM_ADDRESS   0x71

ADP5055_PMBUS_511KOHM_ADDRESS

#define ADP5055_PMBUS_511KOHM_ADDRESS   0x73

ADP5055_PMBUS_57KOHM_ADDRESS

#define ADP5055_PMBUS_57KOHM_ADDRESS   0x72

ADP5055_PMBUS_71KOHM_ADDRESS

#define ADP5055_PMBUS_71KOHM_ADDRESS   0x73

ADP5055_PMBUS_90KOHM_ADDRESS

#define ADP5055_PMBUS_90KOHM_ADDRESS   0x70

ADP5055_PMBUS_OPEN_ADDRESS

#define ADP5055_PMBUS_OPEN_ADDRESS   0x70

ADP5055_PSM1_ON

#define ADP5055_PSM1_ON   NO_OS_BIT(4)

ADP5055_PSM2_ON

#define ADP5055_PSM2_ON   NO_OS_BIT(5)

ADP5055_PSM3_ON

#define ADP5055_PSM3_ON   NO_OS_BIT(6)

ADP5055_PWRGD1

#define ADP5055_PWRGD1   NO_OS_BIT(0)

ADP5055_PWRGD2

#define ADP5055_PWRGD2   NO_OS_BIT(1)

ADP5055_PWRGD3

#define ADP5055_PWRGD3   NO_OS_BIT(2)

ADP5055_PWRGD_DLY

#define ADP5055_PWRGD_DLY   NO_OS_BIT(4)

ADP5055_STATUS_CML

#define ADP5055_STATUS_CML   0x7E

ADP5055_STATUS_LCH

#define ADP5055_STATUS_LCH   0xE2

ADP5055_TSD_LCH

#define ADP5055_TSD_LCH   NO_OS_BIT(3)

ADP5055_VID1

#define ADP5055_VID1   0xD8

ADP5055_VID1_GO

#define ADP5055_VID1_GO   NO_OS_BIT(0)

ADP5055_VID2

#define ADP5055_VID2   0xD9

ADP5055_VID2_GO

#define ADP5055_VID2_GO   NO_OS_BIT(1)

ADP5055_VID3

#define ADP5055_VID3   0xDA

ADP5055_VID3_GO

#define ADP5055_VID3_GO   NO_OS_BIT(2)

ADP5055_VID_GO

#define ADP5055_VID_GO   0xD2

ADP5055_VIDX_HIGH_MASK

#define ADP5055_VIDX_HIGH_MASK   NO_OS_GENMASK(7, 4)

ADP5055_VIDX_LOW_MASK

#define ADP5055_VIDX_LOW_MASK   NO_OS_GENMASK(3, 0)

Enumeration Type Documentation

adp5055_channel

enum adp5055_channel

Enumerator
ADP5055_VOUT1
ADP5055_VOUT2
ADP5055_VOUT3

adp5055_dis_dly

enum adp5055_dis_dly

Enumerator
ADP5055_DIS_NO_DELAY
ADP5055_DIS_2TSET
ADP5055_DIS_4TSET
ADP5055_DIS_6TSET
ADP5055_DIS_8TSET
ADP5055_DIS_10TSET
ADP5055_DIS_12TSET
ADP5055_DIS_14TSET

adp5055_dvs_intval

enum adp5055_dvs_intval

Enumerator
ADP5055_DVS_INTVAL_125US
ADP5055_DVS_INTVAL_62US
ADP5055_DVS_INTVAL_31US
ADP5055_DVS_INTVAL_15US

adp5055_en_dly

enum adp5055_en_dly

Enumerator
ADP5055_EN_NO_DELAY
ADP5055_EN_1TSET
ADP5055_EN_2TSET
ADP5055_EN_3TSET
ADP5055_EN_4TSET
ADP5055_EN_5TSET
ADP5055_EN_6TSET
ADP5055_EN_7TSET

adp5055_en_mode

enum adp5055_en_mode

Enumerator
ADP5055_EN_MODE_HW_ONLY
ADP5055_EN_MODE_SW_ONLY
ADP5055_EN_MODE_HW_AND_SW
ADP5055_EN_MODE_HW_OR_SW

adp5055_ft_th

enum adp5055_ft_th

Enumerator
ADP5055_FT_NONE
ADP5055_FT_1_5WINDOW_3G
ADP5055_FT_1_5WINDOW_5G
ADP5055_FT_2_5WINDOW_5G

adp5055_latch_status

enum adp5055_latch_status

Enumerator
ADP5055_LCH_INIT_FAIL
ADP5055_LCH_OVERCURRENT_HICCUP
ADP5055_LCH_THERMAL_SHUTDOWN
ADP5055_LCH_PG_FAIL

adp5055_vidx_limit

enum adp5055_vidx_limit

Enumerator
ADP5055_VIDX_LOW
ADP5055_VIDX_HIGH

Function Documentation

adp5055_enable_channel()

int adp5055_enable_channel	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		bool	en )

Enables output voltage channel in software.

Enable/disable ADP5055 output channels.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
en	- Channel enable or disable

Returns

0 in case of succes, negative error code otherwise

adp5055_init()

int adp5055_init	(	struct adp5055_desc **	desc,
		struct adp5055_init_param *	init_param )

Initialize the ADP5055 device.

Initialize the ADP5055 device descriptor.

Parameters

desc	- ADP5055 device descriptor
init_param	- Initialization parameter containing information about the ADP5055 device to be initialized.

Returns

0 in case of succes, negative error code otherwise

adp5055_read()

int adp5055_read	(	struct adp5055_desc *	desc,
		uint8_t	address,
		uint8_t *	data )

Read data from ADP5055.

Read command from ADP5055 device.

Parameters

desc	- ADP5055 device descriptor
address	- 8-bit ADP5055 register address
data	- Buffer with received data

Returns

0 in case of succes, negative error code otherwise

adp5055_read_latched_status()

int adp5055_read_latched_status	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		enum adp5055_latch_status	lch_status_type,
		uint8_t *	lch_status_val )

Reads the latched status of a specified channel.

Read ADP5055 latched status.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
lch_status_type	- Selects which latch status to read
lch_status_val	- Stores the latch status value of the specified channel

Returns

0 in case of succes, negative error code otherwise

adp5055_read_pg()

int adp5055_read_pg	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		uint8_t *	pg_val )

Reads real-time power good status of specified channel.

Read ADP5055 power-good status per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
pg_val	- Stores the value of the real-time power good status

Returns

0 in case of succes, negative error code otherwise

adp5055_read_status()

int adp5055_read_status	(	struct adp5055_desc *	desc,
		uint8_t *	status_val )

Read statuses.

Read ADP5055 CML status.

Parameters

desc	- ADP5055 device descriptor
status_val	- Status value to be returned.

Returns

0 in case of succes, negative error code otherwise

adp5055_remove()

int adp5055_remove

(

struct adp5055_desc *

desc

)

Free the resources allocated by the adp5055_init()

Remove resources allocated by the init function.

Parameters

desc	- ADP5055 device descriptor

Returns

- 0 in case of succes, negative error code otherwise

adp5055_set_auto_pwm_psm()

int adp5055_set_auto_pwm_psm	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		bool	en )

Enables or disables automatic PWM/PSM per channel.

Enable/disable ADP5055 auto PWM/PSM mode per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
en	- If true, enables automatic PWM/PSM on specified channel

Returns

0 in case of succes, negative error code otherwise

adp5055_set_dvs_auto()

int adp5055_set_dvs_auto	(	struct adp5055_desc *	desc,
		bool	en )

Enables or disables dynamic voltage scaling across all channels.

Enable/disable ADP5055 dynamic voltage scaling (DVS) auto mode.

Parameters

desc	- ADP5055 device descriptor
en	- If true, output voltage transitions only with a write to the VIDx_GO

Returns

0 in case of succes, negative error code otherwise

adp5055_set_dvs_interval()

int adp5055_set_dvs_interval	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		enum adp5055_dvs_intval	intval )

Sets dynamic voltage scaling interval for each channel.

Set ADP5055 DVS interval per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
intval	- Dynamic voltage scaling interval setting

Returns

0 in case of succes, negative error code otherwise

adp5055_set_enable_disable_delay()

int adp5055_set_enable_disable_delay	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		enum adp5055_en_dly	en_dly,
		enum adp5055_dis_dly	dis_dly )

Sets both enable and disable delay per channel.

Set ADP5055 enable and disable delay time per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
en_dly	- Enable delay on the specified channel
dis_dly	- Disable delay on the specified channel

Returns

0 in case of succes, negative error code otherwise

adp5055_set_enable_mode()

int adp5055_set_enable_mode	(	struct adp5055_desc *	desc,
		enum adp5055_en_mode	mode )

Configures enabling for all individual channels by hardware and/or software.

Set ADP5055 HW/SW enable mode.

Parameters

desc	- ADP5055 device descriptor
mode	- Enable mode

Returns

0 in case of succes, negative error code otherwise

adp5055_set_fast_transient()

int adp5055_set_fast_transient	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		enum adp5055_ft_th	ft )

Configures fast transient sensitivity per channel.

Set ADP5055 fast transient.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
ft	- Fast transient setting

Returns

0 in case of succes, negative error code otherwise

adp5055_set_ocp_blanking()

int adp5055_set_ocp_blanking	(	struct adp5055_desc *	desc,
		bool	en )

Enables or disables overcurrent protection (OCP) blanking for all channels.

Enable/disable ADP5055 overcurrent protection blanking during DVS transition.

Parameters

desc	- ADP5055 device descriptor
en	- If true, enables OCP blanking

Returns

0 in case of succes, negative error code otherwise

adp5055_set_output_discharge()

int adp5055_set_output_discharge	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		bool	en )

Enables or disables output discharge per channel.

Enable/disable ADP5055 output discharge path per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
en	- If true, enables output discharge on the specified channel

Returns

0 in case of succes, negative error code otherwise

adp5055_set_pg_channel_output()

int adp5055_set_pg_channel_output	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		bool	en )

Enables power good signal to external PWRGD hardware pin.

Enable/disable ADP5055 power-good signal outputs per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
en	- If true, power good signal of specified channel is outputted at external PWRGD hardware pin

Returns

0 in case of succes, negative error code otherwise

adp5055_set_pg_hw_delay()

int adp5055_set_pg_hw_delay	(	struct adp5055_desc *	desc,
		bool	en )

Enables a delay in the PWRGD hardware pin.

Enable/disable hardware power-good signal delay.

Parameters

desc	- ADP5055 device descriptor
en	- If false, PWRGD pin responds immediately

Returns

0 in case of succes, negative error code otherwise

adp5055_set_vid_code()

int adp5055_set_vid_code	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		uint8_t	val )

Sets 8-bit code of output voltage reference of a channel.

Set ADP5055 VID code per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
val	- 8-bit code of output voltage reference (Vref = 408mV + (1.5mV * val))

Returns

0 in case of succes, negative error code otherwise

adp5055_set_vidx_lim()

int adp5055_set_vidx_lim	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch,
		enum adp5055_vidx_limit	lim_type,
		uint8_t	lim_val )

Sets high or low limit for output voltage reference.

Set ADP5055 VID code high/low limits per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel
lim_type	- Selects whether high or low limit is set
lim_val	- 4-bit code of high / low output voltage reference limit

Returns

0 in case of succes, negative error code otherwise

adp5055_start_vout()

int adp5055_start_vout	(	struct adp5055_desc *	desc,
		enum adp5055_channel	ch )

Initiates output voltage transition on specified channel when dynamic voltage scaling is enabled.

Start ADP5055 Vout transition per channel.

Parameters

desc	- ADP5055 device descriptor
ch	- ADP5055 output channel

Returns

0 in case of succes, negative error code otherwise

adp5055_write()

int adp5055_write	(	struct adp5055_desc *	desc,
		uint8_t	address,
		uint8_t	data )

Write data to ADP5055.

Write command to ADP5055 device.

Parameters

desc	- ADP5055 device descriptor
address	- 8-bit ADP5055 register address
data	- Data byte value to write to the ADP5055

Returns

0 in case of succes, negative error code otherwise