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pdata.h
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1 /*
2  * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x
3  *
4  * Copyright 2009 Wolfson Microelectronics PLC.
5  *
6  * Author: Mark Brown <[email protected]>
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License as published by the
10  * Free Software Foundation; either version 2 of the License, or (at your
11  * option) any later version.
12  *
13  */
14 
15 #ifndef __MFD_WM831X_PDATA_H__
16 #define __MFD_WM831X_PDATA_H__
17 
18 struct wm831x;
19 struct regulator_init_data;
20 
21 struct wm831x_backlight_pdata {
22  int isink;
23  int max_uA;
24 };
25 
26 struct wm831x_backup_pdata {
27  int charger_enable;
28  int no_constant_voltage;
29  int vlim;
30  int ilim;
31 };
32 
33 struct wm831x_battery_pdata {
34  int enable;
35  int fast_enable;
36  int off_mask;
37  int trickle_ilim;
38  int vsel;
39  int eoc_iterm;
40  int fast_ilim;
41  int timeout;
42 };
43 
54 struct wm831x_buckv_pdata {
55  int dvs_gpio;
56  int dvs_control_src;
57  int dvs_init_state;
58  int dvs_state_gpio;
59 };
60 
61 /* Sources for status LED configuration. Values are register values
62  * plus 1 to allow for a zero default for preserve.
63  */
64 enum wm831x_status_src {
65  WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */
66  WM831X_STATUS_OTP = 1,
67  WM831X_STATUS_POWER = 2,
68  WM831X_STATUS_CHARGER = 3,
69  WM831X_STATUS_MANUAL = 4,
70 };
71 
72 struct wm831x_status_pdata {
73  enum wm831x_status_src default_src;
74  const char *name;
75  const char *default_trigger;
76 };
77 
78 struct wm831x_touch_pdata {
79  int fivewire;
80  int isel;
81  int rpu;
82  int pressure;
83  unsigned int data_irq;
84  int data_irqf;
85  unsigned int pd_irq;
86  int pd_irqf;
87 };
88 
89 enum wm831x_watchdog_action {
90  WM831X_WDOG_NONE = 0,
91  WM831X_WDOG_INTERRUPT = 1,
92  WM831X_WDOG_RESET = 2,
93  WM831X_WDOG_WAKE = 3,
94 };
95 
96 struct wm831x_watchdog_pdata {
97  enum wm831x_watchdog_action primary, secondary;
98  int update_gpio;
99  unsigned int software:1;
100 };
101 
102 #define WM831X_MAX_STATUS 2
103 #define WM831X_MAX_DCDC 4
104 #define WM831X_MAX_EPE 2
105 #define WM831X_MAX_LDO 11
106 #define WM831X_MAX_ISINK 2
107 
108 #define WM831X_GPIO_CONFIGURE 0x10000
109 #define WM831X_GPIO_NUM 16
110 
111 struct wm831x_pdata {
113  int wm831x_num;
114 
116  int (*pre_init)(struct wm831x *wm831x);
118  int (*post_init)(struct wm831x *wm831x);
119 
121  bool irq_cmos;
122 
124  bool disable_touch;
125 
127  bool soft_shutdown;
128 
129  int irq_base;
130  int gpio_base;
131  int gpio_defaults[WM831X_GPIO_NUM];
132  struct wm831x_backlight_pdata *backlight;
133  struct wm831x_backup_pdata *backup;
134  struct wm831x_battery_pdata *battery;
135  struct wm831x_touch_pdata *touch;
136  struct wm831x_watchdog_pdata *watchdog;
137 
139  struct wm831x_status_pdata *status[WM831X_MAX_STATUS];
141  struct regulator_init_data *dcdc[WM831X_MAX_DCDC];
143  struct regulator_init_data *epe[WM831X_MAX_EPE];
145  struct regulator_init_data *ldo[WM831X_MAX_LDO];
147  struct regulator_init_data *isink[WM831X_MAX_ISINK];
148 };
149 
150 #endif
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