Hou Zhiqiang | 762161b | 2016-12-09 16:08:57 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Freescale Semiconductor, Inc. |
| 3 | * Hou Zhiqiang <Zhiqiang.Hou@freescale.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #ifndef __MC34VR500_H_ |
| 9 | #define __MC34VR500_H_ |
| 10 | |
| 11 | #include <power/pmic.h> |
| 12 | |
| 13 | #define MC34VR500_I2C_ADDR 0x08 |
| 14 | |
| 15 | /* Drivers name */ |
| 16 | #define MC34VR500_REGULATOR_DRIVER "mc34vr500_regulator" |
| 17 | |
| 18 | /* Register map */ |
| 19 | enum { |
| 20 | MC34VR500_DEVICEID = 0x00, |
| 21 | |
| 22 | MC34VR500_SILICONREVID = 0x03, |
| 23 | MC34VR500_FABID, |
| 24 | MC34VR500_INTSTAT0, |
| 25 | MC34VR500_INTMASK0, |
| 26 | MC34VR500_INTSENSE0, |
| 27 | MC34VR500_INTSTAT1, |
| 28 | MC34VR500_INTMASK1, |
| 29 | MC34VR500_INTSENSE1, |
| 30 | |
| 31 | MC34VR500_INTSTAT4 = 0x11, |
| 32 | MC34VR500_INTMASK4, |
| 33 | MC34VR500_INTSENSE4, |
| 34 | |
| 35 | MC34VR500_PWRCTL = 0x1B, |
| 36 | |
| 37 | MC34VR500_SW1VOLT = 0x2E, |
| 38 | MC34VR500_SW1STBY, |
| 39 | MC34VR500_SW1OFF, |
| 40 | MC34VR500_SW1MODE, |
| 41 | MC34VR500_SW1CONF, |
| 42 | MC34VR500_SW2VOLT, |
| 43 | MC34VR500_SW2STBY, |
| 44 | MC34VR500_SW2OFF, |
| 45 | MC34VR500_SW2MODE, |
| 46 | MC34VR500_SW2CONF, |
| 47 | |
| 48 | MC34VR500_SW3VOLT = 0x3C, |
| 49 | MC34VR500_SW3STBY, |
| 50 | MC34VR500_SW3OFF, |
| 51 | MC34VR500_SW3MODE, |
| 52 | MC34VR500_SW3CONF, |
| 53 | |
| 54 | MC34VR500_SW4VOLT = 0x4A, |
| 55 | MC34VR500_SW4STBY, |
| 56 | MC34VR500_SW4OFF, |
| 57 | MC34VR500_SW4MODE, |
| 58 | MC34VR500_SW4CONF, |
| 59 | |
| 60 | MC34VR500_REFOUTCRTRL = 0x6A, |
| 61 | |
| 62 | MC34VR500_LDO1CTL = 0x6D, |
| 63 | MC34VR500_LDO2CTL, |
| 64 | MC34VR500_LDO3CTL, |
| 65 | MC34VR500_LDO4CTL, |
| 66 | MC34VR500_LDO5CTL, |
| 67 | |
| 68 | MC34VR500_PAGE_REGISTER = 0x7F, |
| 69 | |
| 70 | /* Internal RAM */ |
| 71 | MC34VR500_SW1_VOLT = 0xA8, |
| 72 | MC34VR500_SW1_SEQ, |
| 73 | MC34VR500_SW1_CONFIG, |
| 74 | |
| 75 | MC34VR500_SW2_VOLT = 0xAC, |
| 76 | MC34VR500_SW2_SEQ, |
| 77 | MC34VR500_SW2_CONFIG, |
| 78 | |
| 79 | MC34VR500_SW3_VOLT = 0xB0, |
| 80 | MC34VR500_SW3_SEQ, |
| 81 | MC34VR500_SW3_CONFIG, |
| 82 | |
| 83 | MC34VR500_SW4_VOLT = 0xB8, |
| 84 | MC34VR500_SW4_SEQ, |
| 85 | MC34VR500_SW4_CONFIG, |
| 86 | |
| 87 | MC34VR500_REFOUT_SEQ = 0xC4, |
| 88 | |
| 89 | MC34VR500_LDO1_VOLT = 0xCC, |
| 90 | MC34VR500_LDO1_SEQ, |
| 91 | |
| 92 | MC34VR500_LDO2_VOLT = 0xD0, |
| 93 | MC34VR500_LDO2_SEQ, |
| 94 | |
| 95 | MC34VR500_LDO3_VOLT = 0xD4, |
| 96 | MC34VR500_LDO3_SEQ, |
| 97 | |
| 98 | MC34VR500_LDO4_VOLT = 0xD8, |
| 99 | MC34VR500_LDO4_SEQ, |
| 100 | |
| 101 | MC34VR500_LDO5_VOLT = 0xDC, |
| 102 | MC34VR500_LDO5_SEQ, |
| 103 | |
| 104 | MC34VR500_PU_CONFIG1 = 0xE0, |
| 105 | |
| 106 | MC34VR500_TBB_POR = 0xE4, |
| 107 | |
| 108 | MC34VR500_PWRGD_EN = 0xE8, |
| 109 | |
| 110 | MC34VR500_NUM_OF_REGS, |
| 111 | }; |
| 112 | |
| 113 | /* Registor offset based on SWxVOLT register */ |
| 114 | #define MC34VR500_VOLT_OFFSET 0 |
| 115 | #define MC34VR500_STBY_OFFSET 1 |
| 116 | #define MC34VR500_OFF_OFFSET 2 |
| 117 | #define MC34VR500_MODE_OFFSET 3 |
| 118 | #define MC34VR500_CONF_OFFSET 4 |
| 119 | |
| 120 | #define SW_MODE_MASK 0xf |
| 121 | #define SW_MODE_SHIFT 0 |
| 122 | |
| 123 | #define LDO_VOL_MASK 0xf |
| 124 | #define LDO_EN (1 << 4) |
| 125 | #define LDO_MODE_SHIFT 4 |
| 126 | #define LDO_MODE_MASK (1 << 4) |
| 127 | #define LDO_MODE_OFF 0 |
| 128 | #define LDO_MODE_ON 1 |
| 129 | |
| 130 | #define REFOUTEN (1 << 4) |
| 131 | |
| 132 | /* |
| 133 | * Regulator Mode Control |
| 134 | * |
| 135 | * OFF: The regulator is switched off and the output voltage is discharged. |
| 136 | * PFM: In this mode, the regulator is always in PFM mode, which is useful |
| 137 | * at light loads for optimized efficiency. |
| 138 | * PWM: In this mode, the regulator is always in PWM mode operation |
| 139 | * regardless of load conditions. |
| 140 | * APS: In this mode, the regulator moves automatically between pulse |
| 141 | * skipping mode and PWM mode depending on load conditions. |
| 142 | * |
| 143 | * SWxMODE[3:0] |
| 144 | * Normal Mode | Standby Mode | value |
| 145 | * OFF OFF 0x0 |
| 146 | * PWM OFF 0x1 |
| 147 | * PFM OFF 0x3 |
| 148 | * APS OFF 0x4 |
| 149 | * PWM PWM 0x5 |
| 150 | * PWM APS 0x6 |
| 151 | * APS APS 0x8 |
| 152 | * APS PFM 0xc |
| 153 | * PWM PFM 0xd |
| 154 | */ |
| 155 | #define OFF_OFF 0x0 |
| 156 | #define PWM_OFF 0x1 |
| 157 | #define PFM_OFF 0x3 |
| 158 | #define APS_OFF 0x4 |
| 159 | #define PWM_PWM 0x5 |
| 160 | #define PWM_APS 0x6 |
| 161 | #define APS_APS 0x8 |
| 162 | #define APS_PFM 0xc |
| 163 | #define PWM_PFM 0xd |
| 164 | |
Hou Zhiqiang | 4394ad1 | 2016-12-09 16:08:58 +0800 | [diff] [blame] | 165 | enum swx { |
| 166 | SW1 = 0, |
| 167 | SW2, |
| 168 | SW3, |
| 169 | SW4, |
| 170 | }; |
| 171 | |
| 172 | int mc34vr500_get_sw_volt(uint8_t sw); |
| 173 | int mc34vr500_set_sw_volt(uint8_t sw, int sw_volt); |
Hou Zhiqiang | 762161b | 2016-12-09 16:08:57 +0800 | [diff] [blame] | 174 | int power_mc34vr500_init(unsigned char bus); |
| 175 | #endif /* __MC34VR500_PMIC_H_ */ |