tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * twl4030.h - header for TWL4030 PM and audio CODEC device
3 *
4 * Copyright (C) 2005-2006 Texas Instruments, Inc.
5 *
6 * Based on tlv320aic23.c:
7 * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#ifndef __TWL4030_H_
26#define __TWL4030_H_
27
28/*
29 * Using the twl4030 core we address registers using a pair
30 * { module id, relative register offset }
31 * which that core then maps to the relevant
32 * { i2c slave, absolute register address }
33 *
34 * The module IDs are meaningful only to the twl4030 core code,
35 * which uses them as array indices to look up the first register
36 * address each module uses within a given i2c slave.
37 */
38
39/* Slave 0 (i2c address 0x48) */
40#define TWL4030_MODULE_USB 0x00
41
42/* Slave 1 (i2c address 0x49) */
43#define TWL4030_MODULE_AUDIO_VOICE 0x01
44#define TWL4030_MODULE_GPIO 0x02
45#define TWL4030_MODULE_INTBR 0x03
46#define TWL4030_MODULE_PIH 0x04
47#define TWL4030_MODULE_TEST 0x05
48
49/* Slave 2 (i2c address 0x4a) */
50#define TWL4030_MODULE_KEYPAD 0x06
51#define TWL4030_MODULE_MADC 0x07
52#define TWL4030_MODULE_INTERRUPTS 0x08
53#define TWL4030_MODULE_LED 0x09
54#define TWL4030_MODULE_MAIN_CHARGE 0x0A
55#define TWL4030_MODULE_PRECHARGE 0x0B
56#define TWL4030_MODULE_PWM0 0x0C
57#define TWL4030_MODULE_PWM1 0x0D
58#define TWL4030_MODULE_PWMA 0x0E
59#define TWL4030_MODULE_PWMB 0x0F
60
61/* Slave 3 (i2c address 0x4b) */
62#define TWL4030_MODULE_BACKUP 0x10
63#define TWL4030_MODULE_INT 0x11
64#define TWL4030_MODULE_PM_MASTER 0x12
65#define TWL4030_MODULE_PM_RECEIVER 0x13
66#define TWL4030_MODULE_RTC 0x14
67#define TWL4030_MODULE_SECURED_REG 0x15
68
69/*
70 * Read and write single 8-bit registers
71 */
72int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg);
73int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg);
74
75/*
76 * Read and write several 8-bit registers at once.
77 *
78 * IMPORTANT: For twl4030_i2c_write(), allocate num_bytes + 1
79 * for the value, and populate your data starting at offset 1.
80 */
81int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
82int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
83
84/*----------------------------------------------------------------------*/
85
86/*
87 * NOTE: at up to 1024 registers, this is a big chip.
88 *
89 * Avoid putting register declarations in this file, instead of into
90 * a driver-private file, unless some of the registers in a block
91 * need to be shared with other drivers. One example is blocks that
92 * have Secondary IRQ Handler (SIH) registers.
93 */
94
95#define TWL4030_SIH_CTRL_EXCLEN_MASK BIT(0)
96#define TWL4030_SIH_CTRL_PENDDIS_MASK BIT(1)
97#define TWL4030_SIH_CTRL_COR_MASK BIT(2)
98
99/*----------------------------------------------------------------------*/
100
101/*
102 * GPIO Block Register offsets (use TWL4030_MODULE_GPIO)
103 */
104
105#define REG_GPIODATAIN1 0x0
106#define REG_GPIODATAIN2 0x1
107#define REG_GPIODATAIN3 0x2
108#define REG_GPIODATADIR1 0x3
109#define REG_GPIODATADIR2 0x4
110#define REG_GPIODATADIR3 0x5
111#define REG_GPIODATAOUT1 0x6
112#define REG_GPIODATAOUT2 0x7
113#define REG_GPIODATAOUT3 0x8
114#define REG_CLEARGPIODATAOUT1 0x9
115#define REG_CLEARGPIODATAOUT2 0xA
116#define REG_CLEARGPIODATAOUT3 0xB
117#define REG_SETGPIODATAOUT1 0xC
118#define REG_SETGPIODATAOUT2 0xD
119#define REG_SETGPIODATAOUT3 0xE
120#define REG_GPIO_DEBEN1 0xF
121#define REG_GPIO_DEBEN2 0x10
122#define REG_GPIO_DEBEN3 0x11
123#define REG_GPIO_CTRL 0x12
124#define REG_GPIOPUPDCTR1 0x13
125#define REG_GPIOPUPDCTR2 0x14
126#define REG_GPIOPUPDCTR3 0x15
127#define REG_GPIOPUPDCTR4 0x16
128#define REG_GPIOPUPDCTR5 0x17
129#define REG_GPIO_ISR1A 0x19
130#define REG_GPIO_ISR2A 0x1A
131#define REG_GPIO_ISR3A 0x1B
132#define REG_GPIO_IMR1A 0x1C
133#define REG_GPIO_IMR2A 0x1D
134#define REG_GPIO_IMR3A 0x1E
135#define REG_GPIO_ISR1B 0x1F
136#define REG_GPIO_ISR2B 0x20
137#define REG_GPIO_ISR3B 0x21
138#define REG_GPIO_IMR1B 0x22
139#define REG_GPIO_IMR2B 0x23
140#define REG_GPIO_IMR3B 0x24
141#define REG_GPIO_EDR1 0x28
142#define REG_GPIO_EDR2 0x29
143#define REG_GPIO_EDR3 0x2A
144#define REG_GPIO_EDR4 0x2B
145#define REG_GPIO_EDR5 0x2C
146#define REG_GPIO_SIH_CTRL 0x2D
147
148/* Up to 18 signals are available as GPIOs, when their
149 * pins are not assigned to another use (such as ULPI/USB).
150 */
151#define TWL4030_GPIO_MAX 18
152
153/*----------------------------------------------------------------------*/
154
155/*
156 * Keypad register offsets (use TWL4030_MODULE_KEYPAD)
157 * ... SIH/interrupt only
158 */
159
160#define TWL4030_KEYPAD_KEYP_ISR1 0x11
161#define TWL4030_KEYPAD_KEYP_IMR1 0x12
162#define TWL4030_KEYPAD_KEYP_ISR2 0x13
163#define TWL4030_KEYPAD_KEYP_IMR2 0x14
164#define TWL4030_KEYPAD_KEYP_SIR 0x15 /* test register */
165#define TWL4030_KEYPAD_KEYP_EDR 0x16
166#define TWL4030_KEYPAD_KEYP_SIH_CTRL 0x17
167
168/*----------------------------------------------------------------------*/
169
170/*
171 * Multichannel ADC register offsets (use TWL4030_MODULE_MADC)
172 * ... SIH/interrupt only
173 */
174
175#define TWL4030_MADC_ISR1 0x61
176#define TWL4030_MADC_IMR1 0x62
177#define TWL4030_MADC_ISR2 0x63
178#define TWL4030_MADC_IMR2 0x64
179#define TWL4030_MADC_SIR 0x65 /* test register */
180#define TWL4030_MADC_EDR 0x66
181#define TWL4030_MADC_SIH_CTRL 0x67
182
183/*----------------------------------------------------------------------*/
184
185/*
186 * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS)
187 */
188
189#define TWL4030_INTERRUPTS_BCIISR1A 0x0
190#define TWL4030_INTERRUPTS_BCIISR2A 0x1
191#define TWL4030_INTERRUPTS_BCIIMR1A 0x2
192#define TWL4030_INTERRUPTS_BCIIMR2A 0x3
193#define TWL4030_INTERRUPTS_BCIISR1B 0x4
194#define TWL4030_INTERRUPTS_BCIISR2B 0x5
195#define TWL4030_INTERRUPTS_BCIIMR1B 0x6
196#define TWL4030_INTERRUPTS_BCIIMR2B 0x7
197#define TWL4030_INTERRUPTS_BCISIR1 0x8 /* test register */
198#define TWL4030_INTERRUPTS_BCISIR2 0x9 /* test register */
199#define TWL4030_INTERRUPTS_BCIEDR1 0xa
200#define TWL4030_INTERRUPTS_BCIEDR2 0xb
201#define TWL4030_INTERRUPTS_BCIEDR3 0xc
202#define TWL4030_INTERRUPTS_BCISIHCTRL 0xd
203
204/*----------------------------------------------------------------------*/
205
206/*
207 * Power Interrupt block register offsets (use TWL4030_MODULE_INT)
208 */
209
210#define TWL4030_INT_PWR_ISR1 0x0
211#define TWL4030_INT_PWR_IMR1 0x1
212#define TWL4030_INT_PWR_ISR2 0x2
213#define TWL4030_INT_PWR_IMR2 0x3
214#define TWL4030_INT_PWR_SIR 0x4 /* test register */
215#define TWL4030_INT_PWR_EDR1 0x5
216#define TWL4030_INT_PWR_EDR2 0x6
217#define TWL4030_INT_PWR_SIH_CTRL 0x7
218
219/*----------------------------------------------------------------------*/
220
221struct twl4030_bci_platform_data {
222 int *battery_tmp_tbl;
223 unsigned int tblsize;
224};
225
226/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */
227struct twl4030_gpio_platform_data {
228 int gpio_base;
229 unsigned irq_base, irq_end;
230
231 /* package the two LED signals as output-only GPIOs? */
232 bool use_leds;
233
234 /* gpio-n should control VMMC(n+1) if BIT(n) in mmc_cd is set */
235 u8 mmc_cd;
236
237 /* if BIT(N) is set, or VMMC(n+1) is linked, debounce GPIO-N */
238 u32 debounce;
239
240 /* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
241 * should be enabled. Else, if that bit is set in "pulldowns",
242 * that pulldown is enabled. Don't waste power by letting any
243 * digital inputs float...
244 */
245 u32 pullups;
246 u32 pulldowns;
247
248 int (*setup)(struct device *dev,
249 unsigned gpio, unsigned ngpio);
250 int (*teardown)(struct device *dev,
251 unsigned gpio, unsigned ngpio);
252};
253
254struct twl4030_madc_platform_data {
255 int irq_line;
256};
257
258struct twl4030_keypad_data {
259 int rows;
260 int cols;
261 int *keymap;
262 int irq;
263 unsigned int keymapsize;
264 unsigned int rep:1;
265};
266
267enum twl4030_usb_mode {
268 T2_USB_MODE_ULPI = 1,
269 T2_USB_MODE_CEA2011_3PIN = 2,
270};
271
272struct twl4030_usb_data {
273 enum twl4030_usb_mode usb_mode;
274};
275
276struct twl4030_platform_data {
277 unsigned irq_base, irq_end;
278 struct twl4030_bci_platform_data *bci;
279 struct twl4030_gpio_platform_data *gpio;
280 struct twl4030_madc_platform_data *madc;
281 struct twl4030_keypad_data *keypad;
282 struct twl4030_usb_data *usb;
283
284 /* LDO regulators */
285 struct regulator_init_data *vdac;
286 struct regulator_init_data *vpll1;
287 struct regulator_init_data *vpll2;
288 struct regulator_init_data *vmmc1;
289 struct regulator_init_data *vmmc2;
290 struct regulator_init_data *vsim;
291 struct regulator_init_data *vaux1;
292 struct regulator_init_data *vaux2;
293 struct regulator_init_data *vaux3;
294 struct regulator_init_data *vaux4;
295
296 /* REVISIT more to come ... _nothing_ should be hard-wired */
297};
298
299/*----------------------------------------------------------------------*/
300
301int twl4030_sih_setup(int module);
302
303/* Offsets to Power Registers */
304#define TWL4030_VDAC_DEV_GRP 0x3B
305#define TWL4030_VDAC_DEDICATED 0x3E
306#define TWL4030_VAUX1_DEV_GRP 0x17
307#define TWL4030_VAUX1_DEDICATED 0x1A
308#define TWL4030_VAUX2_DEV_GRP 0x1B
309#define TWL4030_VAUX2_DEDICATED 0x1E
310#define TWL4030_VAUX3_DEV_GRP 0x1F
311#define TWL4030_VAUX3_DEDICATED 0x22
312
313
314#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
315 defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
316 extern int twl4030charger_usb_en(int enable);
317#else
318 static inline int twl4030charger_usb_en(int enable) { return 0; }
319#endif
320
321/*----------------------------------------------------------------------*/
322
323/* Linux-specific regulator identifiers ... for now, we only support
324 * the LDOs, and leave the three buck converters alone. VDD1 and VDD2
325 * need to tie into hardware based voltage scaling (cpufreq etc), while
326 * VIO is generally fixed.
327 */
328
329/* EXTERNAL dc-to-dc buck converters */
330#define TWL4030_REG_VDD1 0
331#define TWL4030_REG_VDD2 1
332#define TWL4030_REG_VIO 2
333
334/* EXTERNAL LDOs */
335#define TWL4030_REG_VDAC 3
336#define TWL4030_REG_VPLL1 4
337#define TWL4030_REG_VPLL2 5 /* not on all chips */
338#define TWL4030_REG_VMMC1 6
339#define TWL4030_REG_VMMC2 7 /* not on all chips */
340#define TWL4030_REG_VSIM 8 /* not on all chips */
341#define TWL4030_REG_VAUX1 9 /* not on all chips */
342#define TWL4030_REG_VAUX2_4030 10 /* (twl4030-specific) */
343#define TWL4030_REG_VAUX2 11 /* (twl5030 and newer) */
344#define TWL4030_REG_VAUX3 12 /* not on all chips */
345#define TWL4030_REG_VAUX4 13 /* not on all chips */
346
347/* INTERNAL LDOs */
348#define TWL4030_REG_VINTANA1 14
349#define TWL4030_REG_VINTANA2 15
350#define TWL4030_REG_VINTDIG 16
351#define TWL4030_REG_VUSB1V5 17
352#define TWL4030_REG_VUSB1V8 18
353#define TWL4030_REG_VUSB3V1 19
354
355#endif /* End of __TWL4030_H */