mfd: Add placeholders for WM8350 client devices
[linux-2.6.git] / include / linux / mfd / wm8350 / supply.h
1 /*
2  * supply.h  --  Power Supply Driver for Wolfson WM8350 PMIC
3  *
4  * Copyright 2007 Wolfson Microelectronics PLC
5  *
6  *  This program is free software; you can redistribute  it and/or modify it
7  *  under  the terms of  the GNU General  Public License as published by the
8  *  Free Software Foundation;  either version 2 of the  License, or (at your
9  *  option) any later version.
10  *
11  */
12
13 #ifndef __LINUX_MFD_WM8350_SUPPLY_H_
14 #define __LINUX_MFD_WM8350_SUPPLY_H_
15
16 #include <linux/platform_device.h>
17
18 /*
19  * Charger registers
20  */
21 #define WM8350_BATTERY_CHARGER_CONTROL_1        0xA8
22 #define WM8350_BATTERY_CHARGER_CONTROL_2        0xA9
23 #define WM8350_BATTERY_CHARGER_CONTROL_3        0xAA
24
25 /*
26  * R168 (0xA8) - Battery Charger Control 1
27  */
28 #define WM8350_CHG_ENA_R168                     0x8000
29 #define WM8350_CHG_THR                          0x2000
30 #define WM8350_CHG_EOC_SEL_MASK                 0x1C00
31 #define WM8350_CHG_TRICKLE_TEMP_CHOKE           0x0200
32 #define WM8350_CHG_TRICKLE_USB_CHOKE            0x0100
33 #define WM8350_CHG_RECOVER_T                    0x0080
34 #define WM8350_CHG_END_ACT                      0x0040
35 #define WM8350_CHG_FAST                         0x0020
36 #define WM8350_CHG_FAST_USB_THROTTLE            0x0010
37 #define WM8350_CHG_NTC_MON                      0x0008
38 #define WM8350_CHG_BATT_HOT_MON                 0x0004
39 #define WM8350_CHG_BATT_COLD_MON                0x0002
40 #define WM8350_CHG_CHIP_TEMP_MON                0x0001
41
42 /*
43  * R169 (0xA9) - Battery Charger Control 2
44  */
45 #define WM8350_CHG_ACTIVE                       0x8000
46 #define WM8350_CHG_PAUSE                        0x4000
47 #define WM8350_CHG_STS_MASK                     0x3000
48 #define WM8350_CHG_TIME_MASK                    0x0F00
49 #define WM8350_CHG_MASK_WALL_FB                 0x0080
50 #define WM8350_CHG_TRICKLE_SEL                  0x0040
51 #define WM8350_CHG_VSEL_MASK                    0x0030
52 #define WM8350_CHG_ISEL_MASK                    0x000F
53 #define WM8350_CHG_STS_OFF                      0x0000
54 #define WM8350_CHG_STS_TRICKLE                  0x1000
55 #define WM8350_CHG_STS_FAST                     0x2000
56
57 /*
58  * R170 (0xAA) - Battery Charger Control 3
59  */
60 #define WM8350_CHG_THROTTLE_T_MASK              0x0060
61 #define WM8350_CHG_SMART                        0x0010
62 #define WM8350_CHG_TIMER_ADJT_MASK              0x000F
63
64 /*
65  * Charger Interrupts
66  */
67 #define WM8350_IRQ_CHG_BAT_HOT                  0
68 #define WM8350_IRQ_CHG_BAT_COLD                 1
69 #define WM8350_IRQ_CHG_BAT_FAIL                 2
70 #define WM8350_IRQ_CHG_TO                       3
71 #define WM8350_IRQ_CHG_END                      4
72 #define WM8350_IRQ_CHG_START                    5
73 #define WM8350_IRQ_CHG_FAST_RDY                 6
74 #define WM8350_IRQ_CHG_VBATT_LT_3P9             10
75 #define WM8350_IRQ_CHG_VBATT_LT_3P1             11
76 #define WM8350_IRQ_CHG_VBATT_LT_2P85            12
77
78 /*
79  * Charger Policy
80  */
81 #define WM8350_CHG_TRICKLE_50mA                 (0 << 6)
82 #define WM8350_CHG_TRICKLE_100mA                (1 << 6)
83 #define WM8350_CHG_4_05V                        (0 << 4)
84 #define WM8350_CHG_4_10V                        (1 << 4)
85 #define WM8350_CHG_4_15V                        (2 << 4)
86 #define WM8350_CHG_4_20V                        (3 << 4)
87 #define WM8350_CHG_FAST_LIMIT_mA(x)             ((x / 50) & 0xf)
88 #define WM8350_CHG_EOC_mA(x)                    (((x - 10) & 0x7) << 10)
89 #define WM8350_CHG_TRICKLE_3_1V                 (0 << 13)
90 #define WM8350_CHG_TRICKLE_3_9V                 (1 << 13)
91
92 /*
93  * Supply Registers.
94  */
95 #define WM8350_USB_VOLTAGE_READBACK             0x9C
96 #define WM8350_LINE_VOLTAGE_READBACK            0x9D
97 #define WM8350_BATT_VOLTAGE_READBACK            0x9E
98
99 /*
100  * Supply Interrupts.
101  */
102 #define WM8350_IRQ_USB_LIMIT                    15
103 #define WM8350_IRQ_EXT_USB_FB                   36
104 #define WM8350_IRQ_EXT_WALL_FB                  37
105 #define WM8350_IRQ_EXT_BAT_FB                   38
106
107 struct wm8350_power {
108         struct platform_device *pdev;
109 };
110
111 #endif