diff options
Diffstat (limited to 'include/linux/mfd/wm831x/pdata.h')
-rw-r--r-- | include/linux/mfd/wm831x/pdata.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h new file mode 100644 index 000000000000..90d820260aad --- /dev/null +++ b/include/linux/mfd/wm831x/pdata.h | |||
@@ -0,0 +1,113 @@ | |||
1 | /* | ||
2 | * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x | ||
3 | * | ||
4 | * Copyright 2009 Wolfson Microelectronics PLC. | ||
5 | * | ||
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | ||
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; /** ISINK to use, 1 or 2 */ | ||
23 | int max_uA; /** Maximum current to allow */ | ||
24 | }; | ||
25 | |||
26 | struct wm831x_backup_pdata { | ||
27 | int charger_enable; | ||
28 | int no_constant_voltage; /** Disable constant voltage charging */ | ||
29 | int vlim; /** Voltage limit in milivolts */ | ||
30 | int ilim; /** Current limit in microamps */ | ||
31 | }; | ||
32 | |||
33 | struct wm831x_battery_pdata { | ||
34 | int enable; /** Enable charging */ | ||
35 | int fast_enable; /** Enable fast charging */ | ||
36 | int off_mask; /** Mask OFF while charging */ | ||
37 | int trickle_ilim; /** Trickle charge current limit, in mA */ | ||
38 | int vsel; /** Target voltage, in mV */ | ||
39 | int eoc_iterm; /** End of trickle charge current, in mA */ | ||
40 | int fast_ilim; /** Fast charge current limit, in mA */ | ||
41 | int timeout; /** Charge cycle timeout, in minutes */ | ||
42 | }; | ||
43 | |||
44 | /* Sources for status LED configuration. Values are register values | ||
45 | * plus 1 to allow for a zero default for preserve. | ||
46 | */ | ||
47 | enum wm831x_status_src { | ||
48 | WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */ | ||
49 | WM831X_STATUS_OTP = 1, | ||
50 | WM831X_STATUS_POWER = 2, | ||
51 | WM831X_STATUS_CHARGER = 3, | ||
52 | WM831X_STATUS_MANUAL = 4, | ||
53 | }; | ||
54 | |||
55 | struct wm831x_status_pdata { | ||
56 | enum wm831x_status_src default_src; | ||
57 | const char *name; | ||
58 | const char *default_trigger; | ||
59 | }; | ||
60 | |||
61 | struct wm831x_touch_pdata { | ||
62 | int fivewire; /** 1 for five wire mode, 0 for 4 wire */ | ||
63 | int isel; /** Current for pen down (uA) */ | ||
64 | int rpu; /** Pen down sensitivity resistor divider */ | ||
65 | int pressure; /** Report pressure (boolean) */ | ||
66 | int data_irq; /** Touch data ready IRQ */ | ||
67 | }; | ||
68 | |||
69 | enum wm831x_watchdog_action { | ||
70 | WM831X_WDOG_NONE = 0, | ||
71 | WM831X_WDOG_INTERRUPT = 1, | ||
72 | WM831X_WDOG_RESET = 2, | ||
73 | WM831X_WDOG_WAKE = 3, | ||
74 | }; | ||
75 | |||
76 | struct wm831x_watchdog_pdata { | ||
77 | enum wm831x_watchdog_action primary, secondary; | ||
78 | int update_gpio; | ||
79 | unsigned int software:1; | ||
80 | }; | ||
81 | |||
82 | #define WM831X_MAX_STATUS 2 | ||
83 | #define WM831X_MAX_DCDC 4 | ||
84 | #define WM831X_MAX_EPE 2 | ||
85 | #define WM831X_MAX_LDO 11 | ||
86 | #define WM831X_MAX_ISINK 2 | ||
87 | |||
88 | struct wm831x_pdata { | ||
89 | /** Called before subdevices are set up */ | ||
90 | int (*pre_init)(struct wm831x *wm831x); | ||
91 | /** Called after subdevices are set up */ | ||
92 | int (*post_init)(struct wm831x *wm831x); | ||
93 | |||
94 | int gpio_base; | ||
95 | struct wm831x_backlight_pdata *backlight; | ||
96 | struct wm831x_backup_pdata *backup; | ||
97 | struct wm831x_battery_pdata *battery; | ||
98 | struct wm831x_touch_pdata *touch; | ||
99 | struct wm831x_watchdog_pdata *watchdog; | ||
100 | |||
101 | /** LED1 = 0 and so on */ | ||
102 | struct wm831x_status_pdata *status[WM831X_MAX_STATUS]; | ||
103 | /** DCDC1 = 0 and so on */ | ||
104 | struct regulator_init_data *dcdc[WM831X_MAX_DCDC]; | ||
105 | /** EPE1 = 0 and so on */ | ||
106 | struct regulator_init_data *epe[WM831X_MAX_EPE]; | ||
107 | /** LDO1 = 0 and so on */ | ||
108 | struct regulator_init_data *ldo[WM831X_MAX_LDO]; | ||
109 | /** ISINK1 = 0 and so on*/ | ||
110 | struct regulator_init_data *isink[WM831X_MAX_ISINK]; | ||
111 | }; | ||
112 | |||
113 | #endif | ||