261 lines
8.3 KiB
C
261 lines
8.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Functions to access LP873X power management chip.
|
|
*
|
|
* Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/
|
|
*/
|
|
|
|
#ifndef __LINUX_MFD_LP873X_H
|
|
#define __LINUX_MFD_LP873X_H
|
|
|
|
#include <linux/i2c.h>
|
|
#include <linux/regulator/driver.h>
|
|
#include <linux/regulator/machine.h>
|
|
|
|
/* LP873x chip id list */
|
|
#define LP873X 0x00
|
|
|
|
/* All register addresses */
|
|
#define LP873X_REG_DEV_REV 0X00
|
|
#define LP873X_REG_OTP_REV 0X01
|
|
#define LP873X_REG_BUCK0_CTRL_1 0X02
|
|
#define LP873X_REG_BUCK0_CTRL_2 0X03
|
|
#define LP873X_REG_BUCK1_CTRL_1 0X04
|
|
#define LP873X_REG_BUCK1_CTRL_2 0X05
|
|
#define LP873X_REG_BUCK0_VOUT 0X06
|
|
#define LP873X_REG_BUCK1_VOUT 0X07
|
|
#define LP873X_REG_LDO0_CTRL 0X08
|
|
#define LP873X_REG_LDO1_CTRL 0X09
|
|
#define LP873X_REG_LDO0_VOUT 0X0A
|
|
#define LP873X_REG_LDO1_VOUT 0X0B
|
|
#define LP873X_REG_BUCK0_DELAY 0X0C
|
|
#define LP873X_REG_BUCK1_DELAY 0X0D
|
|
#define LP873X_REG_LDO0_DELAY 0X0E
|
|
#define LP873X_REG_LDO1_DELAY 0X0F
|
|
#define LP873X_REG_GPO_DELAY 0X10
|
|
#define LP873X_REG_GPO2_DELAY 0X11
|
|
#define LP873X_REG_GPO_CTRL 0X12
|
|
#define LP873X_REG_CONFIG 0X13
|
|
#define LP873X_REG_PLL_CTRL 0X14
|
|
#define LP873X_REG_PGOOD_CTRL1 0X15
|
|
#define LP873X_REG_PGOOD_CTRL2 0X16
|
|
#define LP873X_REG_PG_FAULT 0X17
|
|
#define LP873X_REG_RESET 0X18
|
|
#define LP873X_REG_INT_TOP_1 0X19
|
|
#define LP873X_REG_INT_TOP_2 0X1A
|
|
#define LP873X_REG_INT_BUCK 0X1B
|
|
#define LP873X_REG_INT_LDO 0X1C
|
|
#define LP873X_REG_TOP_STAT 0X1D
|
|
#define LP873X_REG_BUCK_STAT 0X1E
|
|
#define LP873X_REG_LDO_STAT 0x1F
|
|
#define LP873X_REG_TOP_MASK_1 0x20
|
|
#define LP873X_REG_TOP_MASK_2 0x21
|
|
#define LP873X_REG_BUCK_MASK 0x22
|
|
#define LP873X_REG_LDO_MASK 0x23
|
|
#define LP873X_REG_SEL_I_LOAD 0x24
|
|
#define LP873X_REG_I_LOAD_2 0x25
|
|
#define LP873X_REG_I_LOAD_1 0x26
|
|
|
|
#define LP873X_REG_MAX LP873X_REG_I_LOAD_1
|
|
|
|
/* Register field definitions */
|
|
#define LP873X_DEV_REV_DEV_ID 0xC0
|
|
#define LP873X_DEV_REV_ALL_LAYER 0x30
|
|
#define LP873X_DEV_REV_METAL_LAYER 0x0F
|
|
|
|
#define LP873X_OTP_REV_OTP_ID 0xFF
|
|
|
|
#define LP873X_BUCK0_CTRL_1_BUCK0_FPWM BIT(3)
|
|
#define LP873X_BUCK0_CTRL_1_BUCK0_RDIS_EN BIT(2)
|
|
#define LP873X_BUCK0_CTRL_1_BUCK0_EN_PIN_CTRL BIT(1)
|
|
#define LP873X_BUCK0_CTRL_1_BUCK0_EN BIT(0)
|
|
|
|
#define LP873X_BUCK0_CTRL_2_BUCK0_ILIM 0x38
|
|
#define LP873X_BUCK0_CTRL_2_BUCK0_SLEW_RATE 0x07
|
|
|
|
#define LP873X_BUCK1_CTRL_1_BUCK1_FPWM BIT(3)
|
|
#define LP873X_BUCK1_CTRL_1_BUCK1_RDIS_EN BIT(2)
|
|
#define LP873X_BUCK1_CTRL_1_BUCK1_EN_PIN_CTRL BIT(1)
|
|
#define LP873X_BUCK1_CTRL_1_BUCK1_EN BIT(0)
|
|
|
|
#define LP873X_BUCK1_CTRL_2_BUCK1_ILIM 0x38
|
|
#define LP873X_BUCK1_CTRL_2_BUCK1_SLEW_RATE 0x07
|
|
|
|
#define LP873X_BUCK0_VOUT_BUCK0_VSET 0xFF
|
|
|
|
#define LP873X_BUCK1_VOUT_BUCK1_VSET 0xFF
|
|
|
|
#define LP873X_LDO0_CTRL_LDO0_RDIS_EN BIT(2)
|
|
#define LP873X_LDO0_CTRL_LDO0_EN_PIN_CTRL BIT(1)
|
|
#define LP873X_LDO0_CTRL_LDO0_EN BIT(0)
|
|
|
|
#define LP873X_LDO1_CTRL_LDO1_RDIS_EN BIT(2)
|
|
#define LP873X_LDO1_CTRL_LDO1_EN_PIN_CTRL BIT(1)
|
|
#define LP873X_LDO1_CTRL_LDO1_EN BIT(0)
|
|
|
|
#define LP873X_LDO0_VOUT_LDO0_VSET 0x1F
|
|
|
|
#define LP873X_LDO1_VOUT_LDO1_VSET 0x1F
|
|
|
|
#define LP873X_BUCK0_DELAY_BUCK0_SD_DELAY 0xF0
|
|
#define LP873X_BUCK0_DELAY_BUCK0_SU_DELAY 0x0F
|
|
|
|
#define LP873X_BUCK1_DELAY_BUCK1_SD_DELAY 0xF0
|
|
#define LP873X_BUCK1_DELAY_BUCK1_SU_DELAY 0x0F
|
|
|
|
#define LP873X_LDO0_DELAY_LDO0_SD_DELAY 0xF0
|
|
#define LP873X_LDO0_DELAY_LDO0_SU_DELAY 0x0F
|
|
|
|
#define LP873X_LDO1_DELAY_LDO1_SD_DELAY 0xF0
|
|
#define LP873X_LDO1_DELAY_LDO1_SU_DELAY 0x0F
|
|
|
|
#define LP873X_GPO_DELAY_GPO_SD_DELAY 0xF0
|
|
#define LP873X_GPO_DELAY_GPO_SU_DELAY 0x0F
|
|
|
|
#define LP873X_GPO2_DELAY_GPO2_SD_DELAY 0xF0
|
|
#define LP873X_GPO2_DELAY_GPO2_SU_DELAY 0x0F
|
|
|
|
#define LP873X_GPO_CTRL_GPO2_OD BIT(6)
|
|
#define LP873X_GPO_CTRL_GPO2_EN_PIN_CTRL BIT(5)
|
|
#define LP873X_GPO_CTRL_GPO2_EN BIT(4)
|
|
#define LP873X_GPO_CTRL_GPO_OD BIT(2)
|
|
#define LP873X_GPO_CTRL_GPO_EN_PIN_CTRL BIT(1)
|
|
#define LP873X_GPO_CTRL_GPO_EN BIT(0)
|
|
|
|
#define LP873X_CONFIG_SU_DELAY_SEL BIT(6)
|
|
#define LP873X_CONFIG_SD_DELAY_SEL BIT(5)
|
|
#define LP873X_CONFIG_CLKIN_PIN_SEL BIT(4)
|
|
#define LP873X_CONFIG_CLKIN_PD BIT(3)
|
|
#define LP873X_CONFIG_EN_PD BIT(2)
|
|
#define LP873X_CONFIG_TDIE_WARN_LEVEL BIT(1)
|
|
#define LP873X_EN_SPREAD_SPEC BIT(0)
|
|
|
|
#define LP873X_PLL_CTRL_EN_PLL BIT(6)
|
|
#define LP873X_EXT_CLK_FREQ 0x1F
|
|
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_POL BIT(7)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_OD BIT(6)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_WINDOW_LDO BIT(5)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_WINDOWN_BUCK BIT(4)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_LDO1 BIT(3)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_LDO0 BIT(2)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_BUCK1 BIT(1)
|
|
#define LP873X_PGOOD_CTRL1_PGOOD_EN_PGOOD_BUCK0 BIT(0)
|
|
|
|
#define LP873X_PGOOD_CTRL2_EN_PGOOD_TWARN BIT(2)
|
|
#define LP873X_PGOOD_CTRL2_EN_PG_FAULT_GATE BIT(1)
|
|
#define LP873X_PGOOD_CTRL2_PGOOD_MODE BIT(0)
|
|
|
|
#define LP873X_PG_FAULT_PG_FAULT_LDO1 BIT(3)
|
|
#define LP873X_PG_FAULT_PG_FAULT_LDO0 BIT(2)
|
|
#define LP873X_PG_FAULT_PG_FAULT_BUCK1 BIT(1)
|
|
#define LP873X_PG_FAULT_PG_FAULT_BUCK0 BIT(0)
|
|
|
|
#define LP873X_RESET_SW_RESET BIT(0)
|
|
|
|
#define LP873X_INT_TOP_1_PGOOD_INT BIT(7)
|
|
#define LP873X_INT_TOP_1_LDO_INT BIT(6)
|
|
#define LP873X_INT_TOP_1_BUCK_INT BIT(5)
|
|
#define LP873X_INT_TOP_1_SYNC_CLK_INT BIT(4)
|
|
#define LP873X_INT_TOP_1_TDIE_SD_INT BIT(3)
|
|
#define LP873X_INT_TOP_1_TDIE_WARN_INT BIT(2)
|
|
#define LP873X_INT_TOP_1_OVP_INT BIT(1)
|
|
#define LP873X_INT_TOP_1_I_MEAS_INT BIT(0)
|
|
|
|
#define LP873X_INT_TOP_2_RESET_REG_INT BIT(0)
|
|
|
|
#define LP873X_INT_BUCK_BUCK1_PG_INT BIT(6)
|
|
#define LP873X_INT_BUCK_BUCK1_SC_INT BIT(5)
|
|
#define LP873X_INT_BUCK_BUCK1_ILIM_INT BIT(4)
|
|
#define LP873X_INT_BUCK_BUCK0_PG_INT BIT(2)
|
|
#define LP873X_INT_BUCK_BUCK0_SC_INT BIT(1)
|
|
#define LP873X_INT_BUCK_BUCK0_ILIM_INT BIT(0)
|
|
|
|
#define LP873X_INT_LDO_LDO1_PG_INT BIT(6)
|
|
#define LP873X_INT_LDO_LDO1_SC_INT BIT(5)
|
|
#define LP873X_INT_LDO_LDO1_ILIM_INT BIT(4)
|
|
#define LP873X_INT_LDO_LDO0_PG_INT BIT(2)
|
|
#define LP873X_INT_LDO_LDO0_SC_INT BIT(1)
|
|
#define LP873X_INT_LDO_LDO0_ILIM_INT BIT(0)
|
|
|
|
#define LP873X_TOP_STAT_PGOOD_STAT BIT(7)
|
|
#define LP873X_TOP_STAT_SYNC_CLK_STAT BIT(4)
|
|
#define LP873X_TOP_STAT_TDIE_SD_STAT BIT(3)
|
|
#define LP873X_TOP_STAT_TDIE_WARN_STAT BIT(2)
|
|
#define LP873X_TOP_STAT_OVP_STAT BIT(1)
|
|
|
|
#define LP873X_BUCK_STAT_BUCK1_STAT BIT(7)
|
|
#define LP873X_BUCK_STAT_BUCK1_PG_STAT BIT(6)
|
|
#define LP873X_BUCK_STAT_BUCK1_ILIM_STAT BIT(4)
|
|
#define LP873X_BUCK_STAT_BUCK0_STAT BIT(3)
|
|
#define LP873X_BUCK_STAT_BUCK0_PG_STAT BIT(2)
|
|
#define LP873X_BUCK_STAT_BUCK0_ILIM_STAT BIT(0)
|
|
|
|
#define LP873X_LDO_STAT_LDO1_STAT BIT(7)
|
|
#define LP873X_LDO_STAT_LDO1_PG_STAT BIT(6)
|
|
#define LP873X_LDO_STAT_LDO1_ILIM_STAT BIT(4)
|
|
#define LP873X_LDO_STAT_LDO0_STAT BIT(3)
|
|
#define LP873X_LDO_STAT_LDO0_PG_STAT BIT(2)
|
|
#define LP873X_LDO_STAT_LDO0_ILIM_STAT BIT(0)
|
|
|
|
#define LP873X_TOP_MASK_1_PGOOD_INT_MASK BIT(7)
|
|
#define LP873X_TOP_MASK_1_SYNC_CLK_MASK BIT(4)
|
|
#define LP873X_TOP_MASK_1_TDIE_WARN_MASK BIT(2)
|
|
#define LP873X_TOP_MASK_1_I_MEAS_MASK BIT(0)
|
|
|
|
#define LP873X_TOP_MASK_2_RESET_REG_MASK BIT(0)
|
|
|
|
#define LP873X_BUCK_MASK_BUCK1_PGF_MASK BIT(7)
|
|
#define LP873X_BUCK_MASK_BUCK1_PGR_MASK BIT(6)
|
|
#define LP873X_BUCK_MASK_BUCK1_ILIM_MASK BIT(4)
|
|
#define LP873X_BUCK_MASK_BUCK0_PGF_MASK BIT(3)
|
|
#define LP873X_BUCK_MASK_BUCK0_PGR_MASK BIT(2)
|
|
#define LP873X_BUCK_MASK_BUCK0_ILIM_MASK BIT(0)
|
|
|
|
#define LP873X_LDO_MASK_LDO1_PGF_MASK BIT(7)
|
|
#define LP873X_LDO_MASK_LDO1_PGR_MASK BIT(6)
|
|
#define LP873X_LDO_MASK_LDO1_ILIM_MASK BIT(4)
|
|
#define LP873X_LDO_MASK_LDO0_PGF_MASK BIT(3)
|
|
#define LP873X_LDO_MASK_LDO0_PGR_MASK BIT(2)
|
|
#define LP873X_LDO_MASK_LDO0_ILIM_MASK BIT(0)
|
|
|
|
#define LP873X_SEL_I_LOAD_CURRENT_BUCK_SELECT BIT(0)
|
|
|
|
#define LP873X_I_LOAD_2_BUCK_LOAD_CURRENT BIT(0)
|
|
|
|
#define LP873X_I_LOAD_1_BUCK_LOAD_CURRENT 0xFF
|
|
|
|
#define LP873X_MAX_REG_ID LP873X_LDO_1
|
|
|
|
/* Number of step-down converters available */
|
|
#define LP873X_NUM_BUCK 2
|
|
/* Number of LDO voltage regulators available */
|
|
#define LP873X_NUM_LDO 2
|
|
/* Number of total regulators available */
|
|
#define LP873X_NUM_REGULATOR (LP873X_NUM_BUCK + LP873X_NUM_LDO)
|
|
|
|
enum lp873x_regulator_id {
|
|
/* BUCK's */
|
|
LP873X_BUCK_0,
|
|
LP873X_BUCK_1,
|
|
/* LDOs */
|
|
LP873X_LDO_0,
|
|
LP873X_LDO_1,
|
|
};
|
|
|
|
/**
|
|
* struct lp873x - state holder for the lp873x driver
|
|
* @dev: struct device pointer for MFD device
|
|
* @rev: revision of the lp873x
|
|
* @lock: lock guarding the data structure
|
|
* @regmap: register map of the lp873x PMIC
|
|
*
|
|
* Device data may be used to access the LP873X chip
|
|
*/
|
|
struct lp873x {
|
|
struct device *dev;
|
|
u8 rev;
|
|
struct regmap *regmap;
|
|
};
|
|
#endif /* __LINUX_MFD_LP873X_H */
|