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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  *  Copyright (C) 2014 Gateworks Corporation
      4  *  Tim Harvey <tharvey (at) gateworks.com>
      5  */
      6 
      7 #ifndef __PFUZE100_PMIC_H_
      8 #define __PFUZE100_PMIC_H_
      9 
     10 /* Device ID */
     11 enum {PFUZE100 = 0x10, PFUZE200 = 0x11, PFUZE3000 = 0x30};
     12 
     13 #define PFUZE100_REGULATOR_DRIVER	"pfuze100_regulator"
     14 
     15 /* PFUZE100 registers */
     16 enum {
     17 	PFUZE100_DEVICEID	= 0x00,
     18 	PFUZE100_REVID		= 0x03,
     19 	PFUZE100_FABID		= 0x04,
     20 
     21 	PFUZE100_SW1ABVOL	= 0x20,
     22 	PFUZE100_SW1ABSTBY	= 0x21,
     23 	PFUZE100_SW1ABOFF	= 0x22,
     24 	PFUZE100_SW1ABMODE	= 0x23,
     25 	PFUZE100_SW1ABCONF	= 0x24,
     26 	PFUZE100_SW1CVOL	= 0x2e,
     27 	PFUZE100_SW1CSTBY	= 0x2f,
     28 	PFUZE100_SW1COFF	= 0x30,
     29 	PFUZE100_SW1CMODE	= 0x31,
     30 	PFUZE100_SW1CCONF	= 0x32,
     31 	PFUZE100_SW2VOL		= 0x35,
     32 	PFUZE100_SW2STBY	= 0x36,
     33 	PFUZE100_SW2OFF		= 0x37,
     34 	PFUZE100_SW2MODE	= 0x38,
     35 	PFUZE100_SW2CONF	= 0x39,
     36 	PFUZE100_SW3AVOL	= 0x3c,
     37 	PFUZE100_SW3ASTBY	= 0x3D,
     38 	PFUZE100_SW3AOFF	= 0x3E,
     39 	PFUZE100_SW3AMODE	= 0x3F,
     40 	PFUZE100_SW3ACONF	= 0x40,
     41 	PFUZE100_SW3BVOL	= 0x43,
     42 	PFUZE100_SW3BSTBY	= 0x44,
     43 	PFUZE100_SW3BOFF	= 0x45,
     44 	PFUZE100_SW3BMODE	= 0x46,
     45 	PFUZE100_SW3BCONF	= 0x47,
     46 	PFUZE100_SW4VOL		= 0x4a,
     47 	PFUZE100_SW4STBY	= 0x4b,
     48 	PFUZE100_SW4OFF		= 0x4c,
     49 	PFUZE100_SW4MODE	= 0x4d,
     50 	PFUZE100_SW4CONF	= 0x4e,
     51 	PFUZE100_SWBSTCON1	= 0x66,
     52 	PFUZE100_VREFDDRCON	= 0x6a,
     53 	PFUZE100_VSNVSVOL	= 0x6b,
     54 	PFUZE100_VGEN1VOL	= 0x6c,
     55 	PFUZE100_VGEN2VOL	= 0x6d,
     56 	PFUZE100_VGEN3VOL	= 0x6e,
     57 	PFUZE100_VGEN4VOL	= 0x6f,
     58 	PFUZE100_VGEN5VOL	= 0x70,
     59 	PFUZE100_VGEN6VOL	= 0x71,
     60 
     61 	PFUZE100_NUM_OF_REGS	= 0x7f,
     62 };
     63 
     64 /* Registor offset based on VOLT register */
     65 #define PFUZE100_VOL_OFFSET	0
     66 #define PFUZE100_STBY_OFFSET	1
     67 #define PFUZE100_OFF_OFFSET	2
     68 #define PFUZE100_MODE_OFFSET	3
     69 #define PFUZE100_CONF_OFFSET	4
     70 
     71 /*
     72  * Buck Regulators
     73  */
     74 
     75 #define PFUZE100_SW1ABC_SETP(x)	((x - 3000) / 250)
     76 
     77 /* SW1A/B/C Output Voltage Configuration */
     78 #define SW1x_0_300V 0
     79 #define SW1x_0_325V 1
     80 #define SW1x_0_350V 2
     81 #define SW1x_0_375V 3
     82 #define SW1x_0_400V 4
     83 #define SW1x_0_425V 5
     84 #define SW1x_0_450V 6
     85 #define SW1x_0_475V 7
     86 #define SW1x_0_500V 8
     87 #define SW1x_0_525V 9
     88 #define SW1x_0_550V 10
     89 #define SW1x_0_575V 11
     90 #define SW1x_0_600V 12
     91 #define SW1x_0_625V 13
     92 #define SW1x_0_650V 14
     93 #define SW1x_0_675V 15
     94 #define SW1x_0_700V 16
     95 #define SW1x_0_725V 17
     96 #define SW1x_0_750V 18
     97 #define SW1x_0_775V 19
     98 #define SW1x_0_800V 20
     99 #define SW1x_0_825V 21
    100 #define SW1x_0_850V 22
    101 #define SW1x_0_875V 23
    102 #define SW1x_0_900V 24
    103 #define SW1x_0_925V 25
    104 #define SW1x_0_950V 26
    105 #define SW1x_0_975V 27
    106 #define SW1x_1_000V 28
    107 #define SW1x_1_025V 29
    108 #define SW1x_1_050V 30
    109 #define SW1x_1_075V 31
    110 #define SW1x_1_100V 32
    111 #define SW1x_1_125V 33
    112 #define SW1x_1_150V 34
    113 #define SW1x_1_175V 35
    114 #define SW1x_1_200V 36
    115 #define SW1x_1_225V 37
    116 #define SW1x_1_250V 38
    117 #define SW1x_1_275V 39
    118 #define SW1x_1_300V 40
    119 #define SW1x_1_325V 41
    120 #define SW1x_1_350V 42
    121 #define SW1x_1_375V 43
    122 #define SW1x_1_400V 44
    123 #define SW1x_1_425V 45
    124 #define SW1x_1_450V 46
    125 #define SW1x_1_475V 47
    126 #define SW1x_1_500V 48
    127 #define SW1x_1_525V 49
    128 #define SW1x_1_550V 50
    129 #define SW1x_1_575V 51
    130 #define SW1x_1_600V 52
    131 #define SW1x_1_625V 53
    132 #define SW1x_1_650V 54
    133 #define SW1x_1_675V 55
    134 #define SW1x_1_700V 56
    135 #define SW1x_1_725V 57
    136 #define SW1x_1_750V 58
    137 #define SW1x_1_775V 59
    138 #define SW1x_1_800V 60
    139 #define SW1x_1_825V 61
    140 #define SW1x_1_850V 62
    141 #define SW1x_1_875V 63
    142 
    143 #define SW1x_NORMAL_MASK  0x3f
    144 #define SW1x_STBY_MASK    0x3f
    145 #define SW1x_OFF_MASK     0x3f
    146 
    147 #define SW_MODE_MASK	0xf
    148 #define SW_MODE_SHIFT	0
    149 
    150 #define SW1xCONF_DVSSPEED_MASK 0xc0
    151 #define SW1xCONF_DVSSPEED_2US  0x00
    152 #define SW1xCONF_DVSSPEED_4US  0x40
    153 #define SW1xCONF_DVSSPEED_8US  0x80
    154 #define SW1xCONF_DVSSPEED_16US 0xc0
    155 
    156 /*
    157  * LDO Configuration
    158  */
    159 
    160 /* VGEN1/2 Voltage Configuration */
    161 #define LDOA_0_80V	0
    162 #define LDOA_0_85V	1
    163 #define LDOA_0_90V	2
    164 #define LDOA_0_95V	3
    165 #define LDOA_1_00V	4
    166 #define LDOA_1_05V	5
    167 #define LDOA_1_10V	6
    168 #define LDOA_1_15V	7
    169 #define LDOA_1_20V	8
    170 #define LDOA_1_25V	9
    171 #define LDOA_1_30V	10
    172 #define LDOA_1_35V	11
    173 #define LDOA_1_40V	12
    174 #define LDOA_1_45V	13
    175 #define LDOA_1_50V	14
    176 #define LDOA_1_55V	15
    177 
    178 /* VGEN3/4/5/6 Voltage Configuration */
    179 #define LDOB_1_80V	0
    180 #define LDOB_1_90V	1
    181 #define LDOB_2_00V	2
    182 #define LDOB_2_10V	3
    183 #define LDOB_2_20V	4
    184 #define LDOB_2_30V	5
    185 #define LDOB_2_40V	6
    186 #define LDOB_2_50V	7
    187 #define LDOB_2_60V	8
    188 #define LDOB_2_70V	9
    189 #define LDOB_2_80V	10
    190 #define LDOB_2_90V	11
    191 #define LDOB_3_00V	12
    192 #define LDOB_3_10V	13
    193 #define LDOB_3_20V	14
    194 #define LDOB_3_30V	15
    195 
    196 #define LDO_VOL_MASK	0xf
    197 #define LDO_EN		(1 << 4)
    198 #define LDO_MODE_SHIFT	4
    199 #define LDO_MODE_MASK	(1 << 4)
    200 #define LDO_MODE_OFF	0
    201 #define LDO_MODE_ON	1
    202 
    203 #define VREFDDRCON_EN	(1 << 4)
    204 /*
    205  * Boost Regulator
    206  */
    207 
    208 /* SWBST Output Voltage */
    209 #define SWBST_5_00V	0
    210 #define SWBST_5_05V	1
    211 #define SWBST_5_10V	2
    212 #define SWBST_5_15V	3
    213 
    214 #define SWBST_VOL_MASK	0x3
    215 #define SWBST_MODE_MASK	0xC
    216 #define SWBST_MODE_SHIFT 0x2
    217 #define SWBST_MODE_OFF	0
    218 #define SWBST_MODE_PFM	1
    219 #define SWBST_MODE_AUTO	2
    220 #define SWBST_MODE_APS	3
    221 
    222 /*
    223  * Regulator Mode Control
    224  *
    225  * OFF: The regulator is switched off and the output voltage is discharged.
    226  * PFM: In this mode, the regulator is always in PFM mode, which is useful
    227  *      at light loads for optimized efficiency.
    228  * PWM: In this mode, the regulator is always in PWM mode operation
    229  *	regardless of load conditions.
    230  * APS: In this mode, the regulator moves automatically between pulse
    231  *	skipping mode and PWM mode depending on load conditions.
    232  *
    233  * SWxMODE[3:0]
    234  * Normal Mode  |  Standby Mode	|      value
    235  *   OFF		OFF		0x0
    236  *   PWM		OFF		0x1
    237  *   PFM		OFF		0x3
    238  *   APS		OFF		0x4
    239  *   PWM		PWM		0x5
    240  *   PWM		APS		0x6
    241  *   APS		APS		0x8
    242  *   APS		PFM		0xc
    243  *   PWM		PFM		0xd
    244  */
    245 #define OFF_OFF		0x0
    246 #define PWM_OFF		0x1
    247 #define PFM_OFF		0x3
    248 #define APS_OFF		0x4
    249 #define PWM_PWM		0x5
    250 #define PWM_APS		0x6
    251 #define APS_APS		0x8
    252 #define APS_PFM		0xc
    253 #define PWM_PFM		0xd
    254 
    255 #define SWITCH_SIZE	0x7
    256 
    257 int power_pfuze100_init(unsigned char bus);
    258 #endif
    259