summaryrefslogtreecommitdiff
path: root/include/power/mc34vr500_pmic.h
blob: b0b143a591901fab91d74ded5dd1347c963d0888 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 * Copyright 2016 Freescale Semiconductor, Inc.
 * Hou Zhiqiang <Zhiqiang.Hou@freescale.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __MC34VR500_H_
#define __MC34VR500_H_

#include <power/pmic.h>

#define MC34VR500_I2C_ADDR	0x08

/* Drivers name */
#define MC34VR500_REGULATOR_DRIVER	"mc34vr500_regulator"

/* Register map */
enum {
	MC34VR500_DEVICEID		= 0x00,

	MC34VR500_SILICONREVID		= 0x03,
	MC34VR500_FABID,
	MC34VR500_INTSTAT0,
	MC34VR500_INTMASK0,
	MC34VR500_INTSENSE0,
	MC34VR500_INTSTAT1,
	MC34VR500_INTMASK1,
	MC34VR500_INTSENSE1,

	MC34VR500_INTSTAT4		= 0x11,
	MC34VR500_INTMASK4,
	MC34VR500_INTSENSE4,

	MC34VR500_PWRCTL		= 0x1B,

	MC34VR500_SW1VOLT		= 0x2E,
	MC34VR500_SW1STBY,
	MC34VR500_SW1OFF,
	MC34VR500_SW1MODE,
	MC34VR500_SW1CONF,
	MC34VR500_SW2VOLT,
	MC34VR500_SW2STBY,
	MC34VR500_SW2OFF,
	MC34VR500_SW2MODE,
	MC34VR500_SW2CONF,

	MC34VR500_SW3VOLT		= 0x3C,
	MC34VR500_SW3STBY,
	MC34VR500_SW3OFF,
	MC34VR500_SW3MODE,
	MC34VR500_SW3CONF,

	MC34VR500_SW4VOLT		= 0x4A,
	MC34VR500_SW4STBY,
	MC34VR500_SW4OFF,
	MC34VR500_SW4MODE,
	MC34VR500_SW4CONF,

	MC34VR500_REFOUTCRTRL		= 0x6A,

	MC34VR500_LDO1CTL		= 0x6D,
	MC34VR500_LDO2CTL,
	MC34VR500_LDO3CTL,
	MC34VR500_LDO4CTL,
	MC34VR500_LDO5CTL,

	MC34VR500_PAGE_REGISTER		= 0x7F,

	/* Internal RAM */
	MC34VR500_SW1_VOLT		= 0xA8,
	MC34VR500_SW1_SEQ,
	MC34VR500_SW1_CONFIG,

	MC34VR500_SW2_VOLT		= 0xAC,
	MC34VR500_SW2_SEQ,
	MC34VR500_SW2_CONFIG,

	MC34VR500_SW3_VOLT		= 0xB0,
	MC34VR500_SW3_SEQ,
	MC34VR500_SW3_CONFIG,

	MC34VR500_SW4_VOLT		= 0xB8,
	MC34VR500_SW4_SEQ,
	MC34VR500_SW4_CONFIG,

	MC34VR500_REFOUT_SEQ		= 0xC4,

	MC34VR500_LDO1_VOLT		= 0xCC,
	MC34VR500_LDO1_SEQ,

	MC34VR500_LDO2_VOLT		= 0xD0,
	MC34VR500_LDO2_SEQ,

	MC34VR500_LDO3_VOLT		= 0xD4,
	MC34VR500_LDO3_SEQ,

	MC34VR500_LDO4_VOLT		= 0xD8,
	MC34VR500_LDO4_SEQ,

	MC34VR500_LDO5_VOLT		= 0xDC,
	MC34VR500_LDO5_SEQ,

	MC34VR500_PU_CONFIG1		= 0xE0,

	MC34VR500_TBB_POR		= 0xE4,

	MC34VR500_PWRGD_EN		= 0xE8,

	MC34VR500_NUM_OF_REGS,
};

/* Registor offset based on SWxVOLT register */
#define MC34VR500_VOLT_OFFSET	0
#define MC34VR500_STBY_OFFSET	1
#define MC34VR500_OFF_OFFSET	2
#define MC34VR500_MODE_OFFSET	3
#define MC34VR500_CONF_OFFSET	4

#define SW_MODE_MASK	0xf
#define SW_MODE_SHIFT	0

#define LDO_VOL_MASK	0xf
#define LDO_EN		(1 << 4)
#define LDO_MODE_SHIFT	4
#define LDO_MODE_MASK	(1 << 4)
#define LDO_MODE_OFF	0
#define LDO_MODE_ON	1

#define REFOUTEN	(1 << 4)

/*
 * Regulator Mode Control
 *
 * OFF: The regulator is switched off and the output voltage is discharged.
 * PFM: In this mode, the regulator is always in PFM mode, which is useful
 *      at light loads for optimized efficiency.
 * PWM: In this mode, the regulator is always in PWM mode operation
 *	regardless of load conditions.
 * APS: In this mode, the regulator moves automatically between pulse
 *	skipping mode and PWM mode depending on load conditions.
 *
 * SWxMODE[3:0]
 * Normal Mode  |  Standby Mode	|      value
 *   OFF		OFF		0x0
 *   PWM		OFF		0x1
 *   PFM		OFF		0x3
 *   APS		OFF		0x4
 *   PWM		PWM		0x5
 *   PWM		APS		0x6
 *   APS		APS		0x8
 *   APS		PFM		0xc
 *   PWM		PFM		0xd
 */
#define OFF_OFF		0x0
#define PWM_OFF		0x1
#define PFM_OFF		0x3
#define APS_OFF		0x4
#define PWM_PWM		0x5
#define PWM_APS		0x6
#define APS_APS		0x8
#define APS_PFM		0xc
#define PWM_PFM		0xd

enum swx {
	SW1 = 0,
	SW2,
	SW3,
	SW4,
};

int mc34vr500_get_sw_volt(uint8_t sw);
int mc34vr500_set_sw_volt(uint8_t sw, int sw_volt);
int power_mc34vr500_init(unsigned char bus);
#endif /* __MC34VR500_PMIC_H_ */