| Kim, Milo | af8b5fc | 2012-06-19 07:08:22 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Texas Instruments |
| 3 | * |
| 4 | * Author: Milo(Woogyom) Kim <milo.kim@ti.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef __LP872X_REGULATOR_H__ |
| 13 | #define __LP872X_REGULATOR_H__ |
| 14 | |
| 15 | #include <linux/regulator/machine.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/gpio.h> |
| 18 | |
| 19 | #define LP872X_MAX_REGULATORS 9 |
| 20 | |
| 21 | enum lp872x_regulator_id { |
| 22 | LP8720_ID_BASE, |
| 23 | LP8720_ID_LDO1 = LP8720_ID_BASE, |
| 24 | LP8720_ID_LDO2, |
| 25 | LP8720_ID_LDO3, |
| 26 | LP8720_ID_LDO4, |
| 27 | LP8720_ID_LDO5, |
| 28 | LP8720_ID_BUCK, |
| 29 | |
| 30 | LP8725_ID_BASE, |
| 31 | LP8725_ID_LDO1 = LP8725_ID_BASE, |
| 32 | LP8725_ID_LDO2, |
| 33 | LP8725_ID_LDO3, |
| 34 | LP8725_ID_LDO4, |
| 35 | LP8725_ID_LDO5, |
| 36 | LP8725_ID_LILO1, |
| 37 | LP8725_ID_LILO2, |
| 38 | LP8725_ID_BUCK1, |
| 39 | LP8725_ID_BUCK2, |
| 40 | |
| 41 | LP872X_ID_MAX, |
| 42 | }; |
| 43 | |
| 44 | enum lp872x_dvs_state { |
| 45 | DVS_LOW = GPIOF_OUT_INIT_LOW, |
| 46 | DVS_HIGH = GPIOF_OUT_INIT_HIGH, |
| 47 | }; |
| 48 | |
| 49 | enum lp872x_dvs_sel { |
| 50 | SEL_V1, |
| 51 | SEL_V2, |
| 52 | }; |
| 53 | |
| 54 | /** |
| 55 | * lp872x_dvs |
| 56 | * @gpio : gpio pin number for dvs control |
| 57 | * @vsel : dvs selector for buck v1 or buck v2 register |
| 58 | * @init_state : initial dvs pin state |
| 59 | */ |
| 60 | struct lp872x_dvs { |
| 61 | int gpio; |
| 62 | enum lp872x_dvs_sel vsel; |
| 63 | enum lp872x_dvs_state init_state; |
| 64 | }; |
| 65 | |
| 66 | /** |
| 67 | * lp872x_regdata |
| 68 | * @id : regulator id |
| 69 | * @init_data : init data for each regulator |
| 70 | */ |
| 71 | struct lp872x_regulator_data { |
| 72 | enum lp872x_regulator_id id; |
| 73 | struct regulator_init_data *init_data; |
| 74 | }; |
| 75 | |
| 76 | /** |
| 77 | * lp872x_platform_data |
| 78 | * @general_config : the value of LP872X_GENERAL_CFG register |
| 79 | * @update_config : if LP872X_GENERAL_CFG register is updated, set true |
| 80 | * @regulator_data : platform regulator id and init data |
| 81 | * @dvs : dvs data for buck voltage control |
| 82 | */ |
| 83 | struct lp872x_platform_data { |
| 84 | u8 general_config; |
| 85 | bool update_config; |
| 86 | struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS]; |
| 87 | struct lp872x_dvs *dvs; |
| 88 | }; |
| 89 | |
| 90 | #endif |