1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2012 Texas Instruments 4 * 5 * Author: Milo(Woogyom) Kim <milo.kim@ti.com> 6 */ 7 8 #ifndef __LP872X_REGULATOR_H__ 9 #define __LP872X_REGULATOR_H__ 10 11 #include <linux/regulator/machine.h> 12 #include <linux/platform_device.h> 13 #include <linux/gpio/consumer.h> 14 15 #define LP872X_MAX_REGULATORS 9 16 17 #define LP8720_ENABLE_DELAY 200 18 #define LP8725_ENABLE_DELAY 30000 19 20 enum lp872x_regulator_id { 21 LP8720_ID_BASE, 22 LP8720_ID_LDO1 = LP8720_ID_BASE, 23 LP8720_ID_LDO2, 24 LP8720_ID_LDO3, 25 LP8720_ID_LDO4, 26 LP8720_ID_LDO5, 27 LP8720_ID_BUCK, 28 29 LP8725_ID_BASE, 30 LP8725_ID_LDO1 = LP8725_ID_BASE, 31 LP8725_ID_LDO2, 32 LP8725_ID_LDO3, 33 LP8725_ID_LDO4, 34 LP8725_ID_LDO5, 35 LP8725_ID_LILO1, 36 LP8725_ID_LILO2, 37 LP8725_ID_BUCK1, 38 LP8725_ID_BUCK2, 39 40 LP872X_ID_MAX, 41 }; 42 43 enum lp872x_dvs_sel { 44 SEL_V1, 45 SEL_V2, 46 }; 47 48 /** 49 * lp872x_dvs 50 * @gpio : gpio descriptor for dvs control 51 * @vsel : dvs selector for buck v1 or buck v2 register 52 * @init_state : initial dvs pin state 53 */ 54 struct lp872x_dvs { 55 struct gpio_desc *gpio; 56 enum lp872x_dvs_sel vsel; 57 enum gpiod_flags init_state; 58 }; 59 60 /** 61 * lp872x_regdata 62 * @id : regulator id 63 * @init_data : init data for each regulator 64 */ 65 struct lp872x_regulator_data { 66 enum lp872x_regulator_id id; 67 struct regulator_init_data *init_data; 68 }; 69 70 /** 71 * lp872x_platform_data 72 * @general_config : the value of LP872X_GENERAL_CFG register 73 * @update_config : if LP872X_GENERAL_CFG register is updated, set true 74 * @regulator_data : platform regulator id and init data 75 * @dvs : dvs data for buck voltage control 76 * @enable_gpio : gpio descriptor for enable control 77 */ 78 struct lp872x_platform_data { 79 u8 general_config; 80 bool update_config; 81 struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS]; 82 struct lp872x_dvs *dvs; 83 struct gpio_desc *enable_gpio; 84 }; 85 86 #endif 87