| /* |
| * Functions to access LP873X power management chip. |
| * |
| * Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/ |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| * kind, whether express or implied; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #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 */ |