Milo Kim | d5aa11b | 2017-02-28 15:45:15 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * TI LMU (Lighting Management Unit) Devices |
| 3 | * |
| 4 | * Copyright 2017 Texas Instruments |
| 5 | * |
| 6 | * Author: Milo Kim <milo.kim@ti.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __MFD_TI_LMU_H__ |
| 14 | #define __MFD_TI_LMU_H__ |
| 15 | |
| 16 | #include <linux/gpio.h> |
| 17 | #include <linux/notifier.h> |
| 18 | #include <linux/regmap.h> |
| 19 | |
| 20 | /* Notifier event */ |
| 21 | #define LMU_EVENT_MONITOR_DONE 0x01 |
| 22 | |
| 23 | enum ti_lmu_id { |
| 24 | LM3532, |
| 25 | LM3631, |
| 26 | LM3632, |
| 27 | LM3633, |
| 28 | LM3695, |
| 29 | LM3697, |
| 30 | LMU_MAX_ID, |
| 31 | }; |
| 32 | |
| 33 | enum ti_lmu_max_current { |
| 34 | LMU_IMAX_5mA, |
| 35 | LMU_IMAX_6mA, |
| 36 | LMU_IMAX_7mA = 0x03, |
| 37 | LMU_IMAX_8mA, |
| 38 | LMU_IMAX_9mA, |
| 39 | LMU_IMAX_10mA = 0x07, |
| 40 | LMU_IMAX_11mA, |
| 41 | LMU_IMAX_12mA, |
| 42 | LMU_IMAX_13mA, |
| 43 | LMU_IMAX_14mA, |
| 44 | LMU_IMAX_15mA = 0x0D, |
| 45 | LMU_IMAX_16mA, |
| 46 | LMU_IMAX_17mA, |
| 47 | LMU_IMAX_18mA, |
| 48 | LMU_IMAX_19mA, |
| 49 | LMU_IMAX_20mA = 0x13, |
| 50 | LMU_IMAX_21mA, |
| 51 | LMU_IMAX_22mA, |
| 52 | LMU_IMAX_23mA = 0x17, |
| 53 | LMU_IMAX_24mA, |
| 54 | LMU_IMAX_25mA, |
| 55 | LMU_IMAX_26mA, |
| 56 | LMU_IMAX_27mA = 0x1C, |
| 57 | LMU_IMAX_28mA, |
| 58 | LMU_IMAX_29mA, |
| 59 | LMU_IMAX_30mA, |
| 60 | }; |
| 61 | |
| 62 | enum lm363x_regulator_id { |
| 63 | LM3631_BOOST, /* Boost output */ |
| 64 | LM3631_LDO_CONT, /* Display panel controller */ |
| 65 | LM3631_LDO_OREF, /* Gamma reference */ |
| 66 | LM3631_LDO_POS, /* Positive display bias output */ |
| 67 | LM3631_LDO_NEG, /* Negative display bias output */ |
| 68 | LM3632_BOOST, /* Boost output */ |
| 69 | LM3632_LDO_POS, /* Positive display bias output */ |
| 70 | LM3632_LDO_NEG, /* Negative display bias output */ |
| 71 | }; |
| 72 | |
| 73 | /** |
| 74 | * struct ti_lmu |
| 75 | * |
| 76 | * @dev: Parent device pointer |
| 77 | * @regmap: Used for i2c communcation on accessing registers |
| 78 | * @en_gpio: GPIO for HWEN pin [Optional] |
| 79 | * @notifier: Notifier for reporting hwmon event |
| 80 | */ |
| 81 | struct ti_lmu { |
| 82 | struct device *dev; |
| 83 | struct regmap *regmap; |
| 84 | int en_gpio; |
| 85 | struct blocking_notifier_head notifier; |
| 86 | }; |
| 87 | #endif |