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-rw-r--r--include/linux/mfd/wm831x/core.h247
-rw-r--r--include/linux/mfd/wm831x/pdata.h107
2 files changed, 354 insertions, 0 deletions
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
new file mode 100644
index 000000000000..d90e693053ba
--- /dev/null
+++ b/include/linux/mfd/wm831x/core.h
@@ -0,0 +1,247 @@
1/*
2 * include/linux/mfd/wm831x/core.h -- Core interface 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_CORE_H__
16#define __MFD_WM831X_CORE_H__
17
18/*
19 * Register values.
20 */
21#define WM831X_RESET_ID 0x00
22#define WM831X_REVISION 0x01
23#define WM831X_PARENT_ID 0x4000
24#define WM831X_SYSVDD_CONTROL 0x4001
25#define WM831X_THERMAL_MONITORING 0x4002
26#define WM831X_POWER_STATE 0x4003
27#define WM831X_WATCHDOG 0x4004
28#define WM831X_ON_PIN_CONTROL 0x4005
29#define WM831X_RESET_CONTROL 0x4006
30#define WM831X_CONTROL_INTERFACE 0x4007
31#define WM831X_SECURITY_KEY 0x4008
32#define WM831X_SOFTWARE_SCRATCH 0x4009
33#define WM831X_OTP_CONTROL 0x400A
34#define WM831X_GPIO_LEVEL 0x400C
35#define WM831X_SYSTEM_STATUS 0x400D
36#define WM831X_ON_SOURCE 0x400E
37#define WM831X_OFF_SOURCE 0x400F
38#define WM831X_SYSTEM_INTERRUPTS 0x4010
39#define WM831X_INTERRUPT_STATUS_1 0x4011
40#define WM831X_INTERRUPT_STATUS_2 0x4012
41#define WM831X_INTERRUPT_STATUS_3 0x4013
42#define WM831X_INTERRUPT_STATUS_4 0x4014
43#define WM831X_INTERRUPT_STATUS_5 0x4015
44#define WM831X_IRQ_CONFIG 0x4017
45#define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018
46#define WM831X_INTERRUPT_STATUS_1_MASK 0x4019
47#define WM831X_INTERRUPT_STATUS_2_MASK 0x401A
48#define WM831X_INTERRUPT_STATUS_3_MASK 0x401B
49#define WM831X_INTERRUPT_STATUS_4_MASK 0x401C
50#define WM831X_INTERRUPT_STATUS_5_MASK 0x401D
51#define WM831X_RTC_WRITE_COUNTER 0x4020
52#define WM831X_RTC_TIME_1 0x4021
53#define WM831X_RTC_TIME_2 0x4022
54#define WM831X_RTC_ALARM_1 0x4023
55#define WM831X_RTC_ALARM_2 0x4024
56#define WM831X_RTC_CONTROL 0x4025
57#define WM831X_RTC_TRIM 0x4026
58#define WM831X_TOUCH_CONTROL_1 0x4028
59#define WM831X_TOUCH_CONTROL_2 0x4029
60#define WM831X_TOUCH_DATA_X 0x402A
61#define WM831X_TOUCH_DATA_Y 0x402B
62#define WM831X_TOUCH_DATA_Z 0x402C
63#define WM831X_AUXADC_DATA 0x402D
64#define WM831X_AUXADC_CONTROL 0x402E
65#define WM831X_AUXADC_SOURCE 0x402F
66#define WM831X_COMPARATOR_CONTROL 0x4030
67#define WM831X_COMPARATOR_1 0x4031
68#define WM831X_COMPARATOR_2 0x4032
69#define WM831X_COMPARATOR_3 0x4033
70#define WM831X_COMPARATOR_4 0x4034
71#define WM831X_GPIO1_CONTROL 0x4038
72#define WM831X_GPIO2_CONTROL 0x4039
73#define WM831X_GPIO3_CONTROL 0x403A
74#define WM831X_GPIO4_CONTROL 0x403B
75#define WM831X_GPIO5_CONTROL 0x403C
76#define WM831X_GPIO6_CONTROL 0x403D
77#define WM831X_GPIO7_CONTROL 0x403E
78#define WM831X_GPIO8_CONTROL 0x403F
79#define WM831X_GPIO9_CONTROL 0x4040
80#define WM831X_GPIO10_CONTROL 0x4041
81#define WM831X_GPIO11_CONTROL 0x4042
82#define WM831X_GPIO12_CONTROL 0x4043
83#define WM831X_GPIO13_CONTROL 0x4044
84#define WM831X_GPIO14_CONTROL 0x4045
85#define WM831X_GPIO15_CONTROL 0x4046
86#define WM831X_GPIO16_CONTROL 0x4047
87#define WM831X_CHARGER_CONTROL_1 0x4048
88#define WM831X_CHARGER_CONTROL_2 0x4049
89#define WM831X_CHARGER_STATUS 0x404A
90#define WM831X_BACKUP_CHARGER_CONTROL 0x404B
91#define WM831X_STATUS_LED_1 0x404C
92#define WM831X_STATUS_LED_2 0x404D
93#define WM831X_CURRENT_SINK_1 0x404E
94#define WM831X_CURRENT_SINK_2 0x404F
95#define WM831X_DCDC_ENABLE 0x4050
96#define WM831X_LDO_ENABLE 0x4051
97#define WM831X_DCDC_STATUS 0x4052
98#define WM831X_LDO_STATUS 0x4053
99#define WM831X_DCDC_UV_STATUS 0x4054
100#define WM831X_LDO_UV_STATUS 0x4055
101#define WM831X_DC1_CONTROL_1 0x4056
102#define WM831X_DC1_CONTROL_2 0x4057
103#define WM831X_DC1_ON_CONFIG 0x4058
104#define WM831X_DC1_SLEEP_CONTROL 0x4059
105#define WM831X_DC1_DVS_CONTROL 0x405A
106#define WM831X_DC2_CONTROL_1 0x405B
107#define WM831X_DC2_CONTROL_2 0x405C
108#define WM831X_DC2_ON_CONFIG 0x405D
109#define WM831X_DC2_SLEEP_CONTROL 0x405E
110#define WM831X_DC2_DVS_CONTROL 0x405F
111#define WM831X_DC3_CONTROL_1 0x4060
112#define WM831X_DC3_CONTROL_2 0x4061
113#define WM831X_DC3_ON_CONFIG 0x4062
114#define WM831X_DC3_SLEEP_CONTROL 0x4063
115#define WM831X_DC4_CONTROL 0x4064
116#define WM831X_DC4_SLEEP_CONTROL 0x4065
117#define WM831X_EPE1_CONTROL 0x4066
118#define WM831X_EPE2_CONTROL 0x4067
119#define WM831X_LDO1_CONTROL 0x4068
120#define WM831X_LDO1_ON_CONTROL 0x4069
121#define WM831X_LDO1_SLEEP_CONTROL 0x406A
122#define WM831X_LDO2_CONTROL 0x406B
123#define WM831X_LDO2_ON_CONTROL 0x406C
124#define WM831X_LDO2_SLEEP_CONTROL 0x406D
125#define WM831X_LDO3_CONTROL 0x406E
126#define WM831X_LDO3_ON_CONTROL 0x406F
127#define WM831X_LDO3_SLEEP_CONTROL 0x4070
128#define WM831X_LDO4_CONTROL 0x4071
129#define WM831X_LDO4_ON_CONTROL 0x4072
130#define WM831X_LDO4_SLEEP_CONTROL 0x4073
131#define WM831X_LDO5_CONTROL 0x4074
132#define WM831X_LDO5_ON_CONTROL 0x4075
133#define WM831X_LDO5_SLEEP_CONTROL 0x4076
134#define WM831X_LDO6_CONTROL 0x4077
135#define WM831X_LDO6_ON_CONTROL 0x4078
136#define WM831X_LDO6_SLEEP_CONTROL 0x4079
137#define WM831X_LDO7_CONTROL 0x407A
138#define WM831X_LDO7_ON_CONTROL 0x407B
139#define WM831X_LDO7_SLEEP_CONTROL 0x407C
140#define WM831X_LDO8_CONTROL 0x407D
141#define WM831X_LDO8_ON_CONTROL 0x407E
142#define WM831X_LDO8_SLEEP_CONTROL 0x407F
143#define WM831X_LDO9_CONTROL 0x4080
144#define WM831X_LDO9_ON_CONTROL 0x4081
145#define WM831X_LDO9_SLEEP_CONTROL 0x4082
146#define WM831X_LDO10_CONTROL 0x4083
147#define WM831X_LDO10_ON_CONTROL 0x4084
148#define WM831X_LDO10_SLEEP_CONTROL 0x4085
149#define WM831X_LDO11_ON_CONTROL 0x4087
150#define WM831X_LDO11_SLEEP_CONTROL 0x4088
151#define WM831X_POWER_GOOD_SOURCE_1 0x408E
152#define WM831X_POWER_GOOD_SOURCE_2 0x408F
153#define WM831X_CLOCK_CONTROL_1 0x4090
154#define WM831X_CLOCK_CONTROL_2 0x4091
155#define WM831X_FLL_CONTROL_1 0x4092
156#define WM831X_FLL_CONTROL_2 0x4093
157#define WM831X_FLL_CONTROL_3 0x4094
158#define WM831X_FLL_CONTROL_4 0x4095
159#define WM831X_FLL_CONTROL_5 0x4096
160#define WM831X_UNIQUE_ID_1 0x7800
161#define WM831X_UNIQUE_ID_2 0x7801
162#define WM831X_UNIQUE_ID_3 0x7802
163#define WM831X_UNIQUE_ID_4 0x7803
164#define WM831X_UNIQUE_ID_5 0x7804
165#define WM831X_UNIQUE_ID_6 0x7805
166#define WM831X_UNIQUE_ID_7 0x7806
167#define WM831X_UNIQUE_ID_8 0x7807
168#define WM831X_FACTORY_OTP_ID 0x7808
169#define WM831X_FACTORY_OTP_1 0x7809
170#define WM831X_FACTORY_OTP_2 0x780A
171#define WM831X_FACTORY_OTP_3 0x780B
172#define WM831X_FACTORY_OTP_4 0x780C
173#define WM831X_FACTORY_OTP_5 0x780D
174#define WM831X_CUSTOMER_OTP_ID 0x7810
175#define WM831X_DC1_OTP_CONTROL 0x7811
176#define WM831X_DC2_OTP_CONTROL 0x7812
177#define WM831X_DC3_OTP_CONTROL 0x7813
178#define WM831X_LDO1_2_OTP_CONTROL 0x7814
179#define WM831X_LDO3_4_OTP_CONTROL 0x7815
180#define WM831X_LDO5_6_OTP_CONTROL 0x7816
181#define WM831X_LDO7_8_OTP_CONTROL 0x7817
182#define WM831X_LDO9_10_OTP_CONTROL 0x7818
183#define WM831X_LDO11_EPE_CONTROL 0x7819
184#define WM831X_GPIO1_OTP_CONTROL 0x781A
185#define WM831X_GPIO2_OTP_CONTROL 0x781B
186#define WM831X_GPIO3_OTP_CONTROL 0x781C
187#define WM831X_GPIO4_OTP_CONTROL 0x781D
188#define WM831X_GPIO5_OTP_CONTROL 0x781E
189#define WM831X_GPIO6_OTP_CONTROL 0x781F
190#define WM831X_DBE_CHECK_DATA 0x7827
191
192/*
193 * R0 (0x00) - Reset ID
194 */
195#define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */
196#define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */
197#define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */
198
199/*
200 * R1 (0x01) - Revision
201 */
202#define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */
203#define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */
204#define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */
205#define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */
206#define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */
207#define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */
208
209/*
210 * R16384 (0x4000) - Parent ID
211 */
212#define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */
213#define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */
214#define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */
215
216struct wm831x {
217 struct mutex io_lock;
218
219 struct device *dev;
220 int (*read_dev)(struct wm831x *wm831x, unsigned short reg,
221 int bytes, void *dest);
222 int (*write_dev)(struct wm831x *wm831x, unsigned short reg,
223 int bytes, void *src);
224
225 void *control_data;
226
227 /* The WM831x has a security key blocking access to certain
228 * registers. The mutex is taken by the accessors for locking
229 * and unlocking the security key, locked is used to fail
230 * writes if the lock is held.
231 */
232 struct mutex key_lock;
233 unsigned int locked:1;
234};
235
236/* Device I/O API */
237int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
238int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
239 unsigned short val);
240void wm831x_reg_lock(struct wm831x *wm831x);
241int wm831x_reg_unlock(struct wm831x *wm831x);
242int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
243 unsigned short mask, unsigned short val);
244int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
245 int count, u16 *buf);
246
247#endif
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h
new file mode 100644
index 000000000000..571e60136264
--- /dev/null
+++ b/include/linux/mfd/wm831x/pdata.h
@@ -0,0 +1,107 @@
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
18struct wm831x;
19struct regulator_init_data;
20
21struct wm831x_backup_pdata {
22 int charger_enable;
23 int no_constant_voltage; /** Disable constant voltage charging */
24 int vlim; /** Voltage limit in milivolts */
25 int ilim; /** Current limit in microamps */
26};
27
28struct wm831x_battery_pdata {
29 int enable; /** Enable charging */
30 int fast_enable; /** Enable fast charging */
31 int off_mask; /** Mask OFF while charging */
32 int trickle_ilim; /** Trickle charge current limit, in mA */
33 int vsel; /** Target voltage, in mV */
34 int eoc_iterm; /** End of trickle charge current, in mA */
35 int fast_ilim; /** Fast charge current limit, in mA */
36 int timeout; /** Charge cycle timeout, in minutes */
37};
38
39/* Sources for status LED configuration. Values are register values
40 * plus 1 to allow for a zero default for preserve.
41 */
42enum wm831x_status_src {
43 WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */
44 WM831X_STATUS_OTP = 1,
45 WM831X_STATUS_POWER = 2,
46 WM831X_STATUS_CHARGER = 3,
47 WM831X_STATUS_MANUAL = 4,
48};
49
50struct wm831x_status_pdata {
51 enum wm831x_status_src default_src;
52 const char *name;
53 const char *default_trigger;
54};
55
56struct wm831x_touch_pdata {
57 int fivewire; /** 1 for five wire mode, 0 for 4 wire */
58 int isel; /** Current for pen down (uA) */
59 int rpu; /** Pen down sensitivity resistor divider */
60 int pressure; /** Report pressure (boolean) */
61 int data_irq; /** Touch data ready IRQ */
62};
63
64enum wm831x_watchdog_action {
65 WM831X_WDOG_NONE = 0,
66 WM831X_WDOG_INTERRUPT = 1,
67 WM831X_WDOG_RESET = 2,
68 WM831X_WDOG_WAKE = 3,
69};
70
71struct wm831x_watchdog_pdata {
72 enum wm831x_watchdog_action primary, secondary;
73 int update_gpio;
74 unsigned int software:1;
75};
76
77#define WM831X_MAX_STATUS 2
78#define WM831X_MAX_DCDC 4
79#define WM831X_MAX_EPE 2
80#define WM831X_MAX_LDO 11
81#define WM831X_MAX_ISINK 2
82
83struct wm831x_pdata {
84 /** Called before subdevices are set up */
85 int (*pre_init)(struct wm831x *wm831x);
86 /** Called after subdevices are set up */
87 int (*post_init)(struct wm831x *wm831x);
88
89 int gpio_base;
90 struct wm831x_backup_pdata *backup;
91 struct wm831x_battery_pdata *battery;
92 struct wm831x_touch_pdata *touch;
93 struct wm831x_watchdog_pdata *watchdog;
94
95 /** LED1 = 0 and so on */
96 struct wm831x_status_pdata *status[WM831X_MAX_STATUS];
97 /** DCDC1 = 0 and so on */
98 struct regulator_init_data *dcdc[WM831X_MAX_DCDC];
99 /** EPE1 = 0 and so on */
100 struct regulator_init_data *epe[WM831X_MAX_EPE];
101 /** LDO1 = 0 and so on */
102 struct regulator_init_data *ldo[WM831X_MAX_LDO];
103 /** ISINK1 = 0 and so on*/
104 struct regulator_init_data *isink[WM831X_MAX_ISINK];
105};
106
107#endif
generated by cgit v1.2.2 (git 2.25.0) at 2026-03-10 23:57:14 -0400