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Commit | Line | Data |
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a603a7fa | 1 | /* |
fc7b92fc B |
2 | * twl_core.c - driver for TWL4030/TWL5030/TWL60X0/TPS659x0 PM |
3 | * and audio CODEC devices | |
a603a7fa DB |
4 | * |
5 | * Copyright (C) 2005-2006 Texas Instruments, Inc. | |
6 | * | |
7 | * Modifications to defer interrupt handling to a kernel thread: | |
8 | * Copyright (C) 2006 MontaVista Software, Inc. | |
9 | * | |
10 | * Based on tlv320aic23.c: | |
11 | * Copyright (c) by Kai Svahn <kai.svahn@nokia.com> | |
12 | * | |
13 | * Code cleanup and modifications to IRQ handler. | |
14 | * by syed khasim <x0khasim@ti.com> | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
29 | */ | |
30 | ||
a603a7fa DB |
31 | #include <linux/init.h> |
32 | #include <linux/mutex.h> | |
4e36dd33 | 33 | #include <linux/module.h> |
a603a7fa | 34 | #include <linux/platform_device.h> |
2473d25a | 35 | #include <linux/regmap.h> |
a603a7fa | 36 | #include <linux/clk.h> |
a30d46c0 | 37 | #include <linux/err.h> |
aeb5032b BC |
38 | #include <linux/device.h> |
39 | #include <linux/of.h> | |
40 | #include <linux/of_irq.h> | |
41 | #include <linux/of_platform.h> | |
e7cc3aca | 42 | #include <linux/irq.h> |
aeb5032b | 43 | #include <linux/irqdomain.h> |
a603a7fa | 44 | |
dad759ff DB |
45 | #include <linux/regulator/machine.h> |
46 | ||
a603a7fa | 47 | #include <linux/i2c.h> |
b07682b6 | 48 | #include <linux/i2c/twl.h> |
a603a7fa | 49 | |
1b8f333f | 50 | #include "twl-core.h" |
a603a7fa DB |
51 | |
52 | /* | |
53 | * The TWL4030 "Triton 2" is one of a family of a multi-function "Power | |
54 | * Management and System Companion Device" chips originally designed for | |
55 | * use in OMAP2 and OMAP 3 based systems. Its control interfaces use I2C, | |
56 | * often at around 3 Mbit/sec, including for interrupt handling. | |
57 | * | |
58 | * This driver core provides genirq support for the interrupts emitted, | |
59 | * by the various modules, and exports register access primitives. | |
60 | * | |
61 | * FIXME this driver currently requires use of the first interrupt line | |
62 | * (and associated registers). | |
63 | */ | |
64 | ||
fc7b92fc | 65 | #define DRIVER_NAME "twl" |
a603a7fa | 66 | |
a603a7fa DB |
67 | /* Triton Core internal information (BEGIN) */ |
68 | ||
fc7b92fc | 69 | #define TWL_NUM_SLAVES 4 |
a603a7fa | 70 | |
a603a7fa DB |
71 | /* Base Address defns for twl4030_map[] */ |
72 | ||
73 | /* subchip/slave 0 - USB ID */ | |
74 | #define TWL4030_BASEADD_USB 0x0000 | |
75 | ||
76 | /* subchip/slave 1 - AUD ID */ | |
77 | #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 | |
78 | #define TWL4030_BASEADD_GPIO 0x0098 | |
79 | #define TWL4030_BASEADD_INTBR 0x0085 | |
80 | #define TWL4030_BASEADD_PIH 0x0080 | |
81 | #define TWL4030_BASEADD_TEST 0x004C | |
82 | ||
83 | /* subchip/slave 2 - AUX ID */ | |
84 | #define TWL4030_BASEADD_INTERRUPTS 0x00B9 | |
85 | #define TWL4030_BASEADD_LED 0x00EE | |
86 | #define TWL4030_BASEADD_MADC 0x0000 | |
87 | #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 | |
88 | #define TWL4030_BASEADD_PRECHARGE 0x00AA | |
5d4e9bd7 | 89 | #define TWL4030_BASEADD_PWM 0x00F8 |
a603a7fa DB |
90 | #define TWL4030_BASEADD_KEYPAD 0x00D2 |
91 | ||
1920a61e IK |
92 | #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ |
93 | #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's | |
94 | one */ | |
95 | ||
a603a7fa DB |
96 | /* subchip/slave 3 - POWER ID */ |
97 | #define TWL4030_BASEADD_BACKUP 0x0014 | |
98 | #define TWL4030_BASEADD_INT 0x002E | |
99 | #define TWL4030_BASEADD_PM_MASTER 0x0036 | |
100 | #define TWL4030_BASEADD_PM_RECEIVER 0x005B | |
101 | #define TWL4030_BASEADD_RTC 0x001C | |
102 | #define TWL4030_BASEADD_SECURED_REG 0x0000 | |
103 | ||
104 | /* Triton Core internal information (END) */ | |
105 | ||
106 | ||
e8deb28c B |
107 | /* subchip/slave 0 0x48 - POWER */ |
108 | #define TWL6030_BASEADD_RTC 0x0000 | |
5d4e9bd7 | 109 | #define TWL6030_BASEADD_SECURED_REG 0x0017 |
e8deb28c B |
110 | #define TWL6030_BASEADD_PM_MASTER 0x001F |
111 | #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ | |
112 | #define TWL6030_BASEADD_PM_MISC 0x00E2 | |
113 | #define TWL6030_BASEADD_PM_PUPD 0x00F0 | |
114 | ||
115 | /* subchip/slave 1 0x49 - FEATURE */ | |
116 | #define TWL6030_BASEADD_USB 0x0000 | |
117 | #define TWL6030_BASEADD_GPADC_CTRL 0x002E | |
118 | #define TWL6030_BASEADD_AUX 0x0090 | |
119 | #define TWL6030_BASEADD_PWM 0x00BA | |
120 | #define TWL6030_BASEADD_GASGAUGE 0x00C0 | |
121 | #define TWL6030_BASEADD_PIH 0x00D0 | |
122 | #define TWL6030_BASEADD_CHARGER 0x00E0 | |
521d8ec3 | 123 | #define TWL6025_BASEADD_CHARGER 0x00DA |
5d4e9bd7 | 124 | #define TWL6030_BASEADD_LED 0x00F4 |
e8deb28c B |
125 | |
126 | /* subchip/slave 2 0x4A - DFT */ | |
127 | #define TWL6030_BASEADD_DIEID 0x00C0 | |
128 | ||
129 | /* subchip/slave 3 0x4B - AUDIO */ | |
130 | #define TWL6030_BASEADD_AUDIO 0x0000 | |
131 | #define TWL6030_BASEADD_RSV 0x0000 | |
fa0d9762 | 132 | #define TWL6030_BASEADD_ZERO 0x0000 |
e8deb28c | 133 | |
a603a7fa DB |
134 | /* Few power values */ |
135 | #define R_CFG_BOOT 0x05 | |
a603a7fa DB |
136 | |
137 | /* some fields in R_CFG_BOOT */ | |
138 | #define HFCLK_FREQ_19p2_MHZ (1 << 0) | |
139 | #define HFCLK_FREQ_26_MHZ (2 << 0) | |
140 | #define HFCLK_FREQ_38p4_MHZ (3 << 0) | |
141 | #define HIGH_PERF_SQ (1 << 3) | |
38a68496 | 142 | #define CK32K_LOWPWR_EN (1 << 7) |
a603a7fa | 143 | |
a603a7fa DB |
144 | /*----------------------------------------------------------------------*/ |
145 | ||
a603a7fa DB |
146 | /* is driver active, bound to a chip? */ |
147 | static bool inuse; | |
148 | ||
ca972d13 L |
149 | /* TWL IDCODE Register value */ |
150 | static u32 twl_idcode; | |
151 | ||
e8deb28c B |
152 | static unsigned int twl_id; |
153 | unsigned int twl_rev(void) | |
154 | { | |
155 | return twl_id; | |
156 | } | |
157 | EXPORT_SYMBOL(twl_rev); | |
158 | ||
159 | /* Structure for each TWL4030/TWL6030 Slave */ | |
fc7b92fc | 160 | struct twl_client { |
a603a7fa | 161 | struct i2c_client *client; |
2473d25a | 162 | struct regmap *regmap; |
a603a7fa DB |
163 | }; |
164 | ||
fc7b92fc | 165 | static struct twl_client twl_modules[TWL_NUM_SLAVES]; |
a603a7fa | 166 | |
a603a7fa | 167 | /* mapping the module id to slave id and base address */ |
fc7b92fc | 168 | struct twl_mapping { |
a603a7fa DB |
169 | unsigned char sid; /* Slave ID */ |
170 | unsigned char base; /* base address */ | |
171 | }; | |
2cfcce18 | 172 | static struct twl_mapping *twl_map; |
a603a7fa | 173 | |
da059ecf | 174 | static struct twl_mapping twl4030_map[] = { |
a603a7fa DB |
175 | /* |
176 | * NOTE: don't change this table without updating the | |
e8deb28c | 177 | * <linux/i2c/twl.h> defines for TWL4030_MODULE_* |
a603a7fa DB |
178 | * so they continue to match the order in this table. |
179 | */ | |
180 | ||
5d4e9bd7 | 181 | /* Common IPs */ |
a603a7fa | 182 | { 0, TWL4030_BASEADD_USB }, |
5d4e9bd7 PU |
183 | { 1, TWL4030_BASEADD_PIH }, |
184 | { 2, TWL4030_BASEADD_MAIN_CHARGE }, | |
185 | { 3, TWL4030_BASEADD_PM_MASTER }, | |
186 | { 3, TWL4030_BASEADD_PM_RECEIVER }, | |
187 | ||
188 | { 3, TWL4030_BASEADD_RTC }, | |
189 | { 2, TWL4030_BASEADD_PWM }, | |
190 | { 2, TWL4030_BASEADD_LED }, | |
191 | { 3, TWL4030_BASEADD_SECURED_REG }, | |
192 | ||
193 | /* TWL4030 specific IPs */ | |
a603a7fa DB |
194 | { 1, TWL4030_BASEADD_AUDIO_VOICE }, |
195 | { 1, TWL4030_BASEADD_GPIO }, | |
196 | { 1, TWL4030_BASEADD_INTBR }, | |
6691ccd0 | 197 | { 1, TWL4030_BASEADD_TEST }, |
a603a7fa | 198 | { 2, TWL4030_BASEADD_KEYPAD }, |
5d4e9bd7 | 199 | |
a603a7fa DB |
200 | { 2, TWL4030_BASEADD_MADC }, |
201 | { 2, TWL4030_BASEADD_INTERRUPTS }, | |
a603a7fa | 202 | { 2, TWL4030_BASEADD_PRECHARGE }, |
a603a7fa DB |
203 | { 3, TWL4030_BASEADD_BACKUP }, |
204 | { 3, TWL4030_BASEADD_INT }, | |
6691ccd0 | 205 | |
5d4e9bd7 PU |
206 | { 2, TWL5031_BASEADD_ACCESSORY }, |
207 | { 2, TWL5031_BASEADD_INTERRUPTS }, | |
a603a7fa DB |
208 | }; |
209 | ||
2473d25a PU |
210 | static struct regmap_config twl4030_regmap_config[4] = { |
211 | { | |
212 | /* Address 0x48 */ | |
213 | .reg_bits = 8, | |
214 | .val_bits = 8, | |
215 | .max_register = 0xff, | |
216 | }, | |
217 | { | |
218 | /* Address 0x49 */ | |
219 | .reg_bits = 8, | |
220 | .val_bits = 8, | |
221 | .max_register = 0xff, | |
222 | }, | |
223 | { | |
224 | /* Address 0x4a */ | |
225 | .reg_bits = 8, | |
226 | .val_bits = 8, | |
227 | .max_register = 0xff, | |
228 | }, | |
229 | { | |
230 | /* Address 0x4b */ | |
231 | .reg_bits = 8, | |
232 | .val_bits = 8, | |
233 | .max_register = 0xff, | |
234 | }, | |
235 | }; | |
236 | ||
e8deb28c B |
237 | static struct twl_mapping twl6030_map[] = { |
238 | /* | |
239 | * NOTE: don't change this table without updating the | |
240 | * <linux/i2c/twl.h> defines for TWL4030_MODULE_* | |
241 | * so they continue to match the order in this table. | |
242 | */ | |
5d4e9bd7 PU |
243 | |
244 | /* Common IPs */ | |
245 | { 1, TWL6030_BASEADD_USB }, | |
246 | { 1, TWL6030_BASEADD_PIH }, | |
247 | { 1, TWL6030_BASEADD_CHARGER }, | |
248 | { 0, TWL6030_BASEADD_PM_MASTER }, | |
249 | { 0, TWL6030_BASEADD_PM_SLAVE_MISC }, | |
250 | ||
251 | { 0, TWL6030_BASEADD_RTC }, | |
252 | { 1, TWL6030_BASEADD_PWM }, | |
253 | { 1, TWL6030_BASEADD_LED }, | |
254 | { 0, TWL6030_BASEADD_SECURED_REG }, | |
255 | ||
256 | /* TWL6030 specific IPs */ | |
257 | { 0, TWL6030_BASEADD_ZERO }, | |
258 | { 1, TWL6030_BASEADD_ZERO }, | |
259 | { 2, TWL6030_BASEADD_ZERO }, | |
260 | { 1, TWL6030_BASEADD_GPADC_CTRL }, | |
261 | { 1, TWL6030_BASEADD_GASGAUGE }, | |
e8deb28c B |
262 | }; |
263 | ||
2473d25a PU |
264 | static struct regmap_config twl6030_regmap_config[3] = { |
265 | { | |
266 | /* Address 0x48 */ | |
267 | .reg_bits = 8, | |
268 | .val_bits = 8, | |
269 | .max_register = 0xff, | |
270 | }, | |
271 | { | |
272 | /* Address 0x49 */ | |
273 | .reg_bits = 8, | |
274 | .val_bits = 8, | |
275 | .max_register = 0xff, | |
276 | }, | |
277 | { | |
278 | /* Address 0x4a */ | |
279 | .reg_bits = 8, | |
280 | .val_bits = 8, | |
281 | .max_register = 0xff, | |
282 | }, | |
283 | }; | |
284 | ||
a603a7fa DB |
285 | /*----------------------------------------------------------------------*/ |
286 | ||
5d4e9bd7 PU |
287 | static inline int twl_get_last_module(void) |
288 | { | |
289 | if (twl_class_is_4030()) | |
290 | return TWL4030_MODULE_LAST; | |
291 | else | |
292 | return TWL6030_MODULE_LAST; | |
293 | } | |
294 | ||
a603a7fa DB |
295 | /* Exported Functions */ |
296 | ||
297 | /** | |
fc7b92fc | 298 | * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
299 | * @mod_no: module number |
300 | * @value: an array of num_bytes+1 containing data to write | |
301 | * @reg: register address (just offset will do) | |
302 | * @num_bytes: number of bytes to transfer | |
303 | * | |
304 | * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and | |
305 | * valid data starts at Offset 1. | |
306 | * | |
307 | * Returns the result of operation - 0 is success | |
308 | */ | |
fc7b92fc | 309 | int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) |
a603a7fa DB |
310 | { |
311 | int ret; | |
312 | int sid; | |
fc7b92fc | 313 | struct twl_client *twl; |
a603a7fa | 314 | |
5d4e9bd7 | 315 | if (unlikely(mod_no >= twl_get_last_module())) { |
a603a7fa DB |
316 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); |
317 | return -EPERM; | |
318 | } | |
a603a7fa | 319 | if (unlikely(!inuse)) { |
8653be1a | 320 | pr_err("%s: not initialized\n", DRIVER_NAME); |
a603a7fa DB |
321 | return -EPERM; |
322 | } | |
050cde13 | 323 | |
8653be1a IY |
324 | sid = twl_map[mod_no].sid; |
325 | twl = &twl_modules[sid]; | |
326 | ||
2473d25a | 327 | ret = regmap_bulk_write(twl->regmap, twl_map[mod_no].base + reg, |
14591d88 | 328 | value, num_bytes); |
2473d25a PU |
329 | |
330 | if (ret) | |
331 | pr_err("%s: Write failed (mod %d, reg 0x%02x count %d)\n", | |
332 | DRIVER_NAME, mod_no, reg, num_bytes); | |
333 | ||
334 | return ret; | |
a603a7fa | 335 | } |
fc7b92fc | 336 | EXPORT_SYMBOL(twl_i2c_write); |
a603a7fa DB |
337 | |
338 | /** | |
fc7b92fc | 339 | * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
340 | * @mod_no: module number |
341 | * @value: an array of num_bytes containing data to be read | |
342 | * @reg: register address (just offset will do) | |
343 | * @num_bytes: number of bytes to transfer | |
344 | * | |
345 | * Returns result of operation - num_bytes is success else failure. | |
346 | */ | |
fc7b92fc | 347 | int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) |
a603a7fa DB |
348 | { |
349 | int ret; | |
a603a7fa | 350 | int sid; |
fc7b92fc | 351 | struct twl_client *twl; |
a603a7fa | 352 | |
5d4e9bd7 | 353 | if (unlikely(mod_no >= twl_get_last_module())) { |
a603a7fa DB |
354 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); |
355 | return -EPERM; | |
356 | } | |
a603a7fa | 357 | if (unlikely(!inuse)) { |
8653be1a | 358 | pr_err("%s: not initialized\n", DRIVER_NAME); |
a603a7fa DB |
359 | return -EPERM; |
360 | } | |
050cde13 | 361 | |
8653be1a IY |
362 | sid = twl_map[mod_no].sid; |
363 | twl = &twl_modules[sid]; | |
364 | ||
2473d25a PU |
365 | ret = regmap_bulk_read(twl->regmap, twl_map[mod_no].base + reg, |
366 | value, num_bytes); | |
367 | ||
368 | if (ret) | |
369 | pr_err("%s: Read failed (mod %d, reg 0x%02x count %d)\n", | |
370 | DRIVER_NAME, mod_no, reg, num_bytes); | |
371 | ||
372 | return ret; | |
a603a7fa | 373 | } |
fc7b92fc | 374 | EXPORT_SYMBOL(twl_i2c_read); |
a603a7fa DB |
375 | |
376 | /** | |
fc7b92fc | 377 | * twl_i2c_write_u8 - Writes a 8 bit register in TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
378 | * @mod_no: module number |
379 | * @value: the value to be written 8 bit | |
380 | * @reg: register address (just offset will do) | |
381 | * | |
382 | * Returns result of operation - 0 is success | |
383 | */ | |
fc7b92fc | 384 | int twl_i2c_write_u8(u8 mod_no, u8 value, u8 reg) |
a603a7fa | 385 | { |
14591d88 | 386 | return twl_i2c_write(mod_no, &value, reg, 1); |
a603a7fa | 387 | } |
fc7b92fc | 388 | EXPORT_SYMBOL(twl_i2c_write_u8); |
a603a7fa DB |
389 | |
390 | /** | |
fc7b92fc | 391 | * twl_i2c_read_u8 - Reads a 8 bit register from TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
392 | * @mod_no: module number |
393 | * @value: the value read 8 bit | |
394 | * @reg: register address (just offset will do) | |
395 | * | |
396 | * Returns result of operation - 0 is success | |
397 | */ | |
fc7b92fc | 398 | int twl_i2c_read_u8(u8 mod_no, u8 *value, u8 reg) |
a603a7fa | 399 | { |
fc7b92fc | 400 | return twl_i2c_read(mod_no, value, reg, 1); |
a603a7fa | 401 | } |
fc7b92fc | 402 | EXPORT_SYMBOL(twl_i2c_read_u8); |
a603a7fa DB |
403 | |
404 | /*----------------------------------------------------------------------*/ | |
405 | ||
ca972d13 L |
406 | /** |
407 | * twl_read_idcode_register - API to read the IDCODE register. | |
408 | * | |
409 | * Unlocks the IDCODE register and read the 32 bit value. | |
410 | */ | |
411 | static int twl_read_idcode_register(void) | |
412 | { | |
413 | int err; | |
414 | ||
415 | err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, TWL_EEPROM_R_UNLOCK, | |
416 | REG_UNLOCK_TEST_REG); | |
417 | if (err) { | |
418 | pr_err("TWL4030 Unable to unlock IDCODE registers -%d\n", err); | |
419 | goto fail; | |
420 | } | |
421 | ||
422 | err = twl_i2c_read(TWL4030_MODULE_INTBR, (u8 *)(&twl_idcode), | |
423 | REG_IDCODE_7_0, 4); | |
424 | if (err) { | |
425 | pr_err("TWL4030: unable to read IDCODE -%d\n", err); | |
426 | goto fail; | |
427 | } | |
428 | ||
429 | err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, 0x0, REG_UNLOCK_TEST_REG); | |
430 | if (err) | |
431 | pr_err("TWL4030 Unable to relock IDCODE registers -%d\n", err); | |
432 | fail: | |
433 | return err; | |
434 | } | |
435 | ||
436 | /** | |
437 | * twl_get_type - API to get TWL Si type. | |
438 | * | |
439 | * Api to get the TWL Si type from IDCODE value. | |
440 | */ | |
441 | int twl_get_type(void) | |
442 | { | |
443 | return TWL_SIL_TYPE(twl_idcode); | |
444 | } | |
445 | EXPORT_SYMBOL_GPL(twl_get_type); | |
446 | ||
447 | /** | |
448 | * twl_get_version - API to get TWL Si version. | |
449 | * | |
450 | * Api to get the TWL Si version from IDCODE value. | |
451 | */ | |
452 | int twl_get_version(void) | |
453 | { | |
454 | return TWL_SIL_REV(twl_idcode); | |
455 | } | |
456 | EXPORT_SYMBOL_GPL(twl_get_version); | |
457 | ||
2275c544 PU |
458 | /** |
459 | * twl_get_hfclk_rate - API to get TWL external HFCLK clock rate. | |
460 | * | |
461 | * Api to get the TWL HFCLK rate based on BOOT_CFG register. | |
462 | */ | |
463 | int twl_get_hfclk_rate(void) | |
464 | { | |
465 | u8 ctrl; | |
466 | int rate; | |
467 | ||
468 | twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT); | |
469 | ||
470 | switch (ctrl & 0x3) { | |
471 | case HFCLK_FREQ_19p2_MHZ: | |
472 | rate = 19200000; | |
473 | break; | |
474 | case HFCLK_FREQ_26_MHZ: | |
475 | rate = 26000000; | |
476 | break; | |
477 | case HFCLK_FREQ_38p4_MHZ: | |
478 | rate = 38400000; | |
479 | break; | |
480 | default: | |
481 | pr_err("TWL4030: HFCLK is not configured\n"); | |
482 | rate = -EINVAL; | |
483 | break; | |
484 | } | |
485 | ||
486 | return rate; | |
487 | } | |
488 | EXPORT_SYMBOL_GPL(twl_get_hfclk_rate); | |
489 | ||
dad759ff | 490 | static struct device * |
3c330279 | 491 | add_numbered_child(unsigned mod_no, const char *name, int num, |
5725d66b DB |
492 | void *pdata, unsigned pdata_len, |
493 | bool can_wakeup, int irq0, int irq1) | |
a603a7fa | 494 | { |
5725d66b | 495 | struct platform_device *pdev; |
3c330279 PU |
496 | struct twl_client *twl; |
497 | int status, sid; | |
498 | ||
499 | if (unlikely(mod_no >= twl_get_last_module())) { | |
500 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); | |
501 | return ERR_PTR(-EPERM); | |
502 | } | |
503 | sid = twl_map[mod_no].sid; | |
504 | twl = &twl_modules[sid]; | |
5725d66b | 505 | |
dad759ff | 506 | pdev = platform_device_alloc(name, num); |
5725d66b DB |
507 | if (!pdev) { |
508 | dev_dbg(&twl->client->dev, "can't alloc dev\n"); | |
509 | status = -ENOMEM; | |
510 | goto err; | |
511 | } | |
a603a7fa | 512 | |
5725d66b | 513 | pdev->dev.parent = &twl->client->dev; |
a603a7fa | 514 | |
5725d66b DB |
515 | if (pdata) { |
516 | status = platform_device_add_data(pdev, pdata, pdata_len); | |
517 | if (status < 0) { | |
518 | dev_dbg(&pdev->dev, "can't add platform_data\n"); | |
a603a7fa DB |
519 | goto err; |
520 | } | |
5725d66b | 521 | } |
a603a7fa | 522 | |
5725d66b DB |
523 | if (irq0) { |
524 | struct resource r[2] = { | |
525 | { .start = irq0, .flags = IORESOURCE_IRQ, }, | |
526 | { .start = irq1, .flags = IORESOURCE_IRQ, }, | |
527 | }; | |
a603a7fa | 528 | |
5725d66b | 529 | status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); |
a603a7fa | 530 | if (status < 0) { |
5725d66b | 531 | dev_dbg(&pdev->dev, "can't add irqs\n"); |
a603a7fa DB |
532 | goto err; |
533 | } | |
534 | } | |
535 | ||
5725d66b | 536 | status = platform_device_add(pdev); |
17ffba6a N |
537 | if (status == 0) |
538 | device_init_wakeup(&pdev->dev, can_wakeup); | |
a603a7fa | 539 | |
5725d66b DB |
540 | err: |
541 | if (status < 0) { | |
542 | platform_device_put(pdev); | |
543 | dev_err(&twl->client->dev, "can't add %s dev\n", name); | |
544 | return ERR_PTR(status); | |
545 | } | |
546 | return &pdev->dev; | |
547 | } | |
a603a7fa | 548 | |
3c330279 | 549 | static inline struct device *add_child(unsigned mod_no, const char *name, |
dad759ff DB |
550 | void *pdata, unsigned pdata_len, |
551 | bool can_wakeup, int irq0, int irq1) | |
552 | { | |
3c330279 | 553 | return add_numbered_child(mod_no, name, -1, pdata, pdata_len, |
dad759ff DB |
554 | can_wakeup, irq0, irq1); |
555 | } | |
556 | ||
557 | static struct device * | |
558 | add_regulator_linked(int num, struct regulator_init_data *pdata, | |
559 | struct regulator_consumer_supply *consumers, | |
521d8ec3 | 560 | unsigned num_consumers, unsigned long features) |
dad759ff | 561 | { |
63bfff4e TK |
562 | struct twl_regulator_driver_data drv_data; |
563 | ||
dad759ff DB |
564 | /* regulator framework demands init_data ... */ |
565 | if (!pdata) | |
566 | return NULL; | |
567 | ||
b73eac78 | 568 | if (consumers) { |
dad759ff DB |
569 | pdata->consumer_supplies = consumers; |
570 | pdata->num_consumer_supplies = num_consumers; | |
571 | } | |
572 | ||
63bfff4e TK |
573 | if (pdata->driver_data) { |
574 | /* If we have existing drv_data, just add the flags */ | |
575 | struct twl_regulator_driver_data *tmp; | |
576 | tmp = pdata->driver_data; | |
577 | tmp->features |= features; | |
578 | } else { | |
579 | /* add new driver data struct, used only during init */ | |
580 | drv_data.features = features; | |
581 | drv_data.set_voltage = NULL; | |
582 | drv_data.get_voltage = NULL; | |
583 | drv_data.data = NULL; | |
584 | pdata->driver_data = &drv_data; | |
585 | } | |
521d8ec3 | 586 | |
dad759ff | 587 | /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ |
3c330279 | 588 | return add_numbered_child(TWL_MODULE_PM_MASTER, "twl_reg", num, |
dad759ff DB |
589 | pdata, sizeof(*pdata), false, 0, 0); |
590 | } | |
591 | ||
592 | static struct device * | |
521d8ec3 GG |
593 | add_regulator(int num, struct regulator_init_data *pdata, |
594 | unsigned long features) | |
dad759ff | 595 | { |
521d8ec3 | 596 | return add_regulator_linked(num, pdata, NULL, 0, features); |
dad759ff DB |
597 | } |
598 | ||
5725d66b DB |
599 | /* |
600 | * NOTE: We know the first 8 IRQs after pdata->base_irq are | |
601 | * for the PIH, and the next are for the PWR_INT SIH, since | |
602 | * that's how twl_init_irq() sets things up. | |
603 | */ | |
a603a7fa | 604 | |
dad759ff | 605 | static int |
9e178620 FB |
606 | add_children(struct twl4030_platform_data *pdata, unsigned irq_base, |
607 | unsigned long features) | |
5725d66b DB |
608 | { |
609 | struct device *child; | |
a603a7fa | 610 | |
f78959cf | 611 | if (IS_ENABLED(CONFIG_GPIO_TWL4030) && pdata->gpio) { |
3c330279 | 612 | child = add_child(TWL4030_MODULE_GPIO, "twl4030_gpio", |
5725d66b | 613 | pdata->gpio, sizeof(*pdata->gpio), |
9e178620 | 614 | false, irq_base + GPIO_INTR_OFFSET, 0); |
5725d66b DB |
615 | if (IS_ERR(child)) |
616 | return PTR_ERR(child); | |
a603a7fa DB |
617 | } |
618 | ||
f78959cf | 619 | if (IS_ENABLED(CONFIG_KEYBOARD_TWL4030) && pdata->keypad) { |
3c330279 | 620 | child = add_child(TWL4030_MODULE_KEYPAD, "twl4030_keypad", |
5725d66b | 621 | pdata->keypad, sizeof(*pdata->keypad), |
9e178620 | 622 | true, irq_base + KEYPAD_INTR_OFFSET, 0); |
5725d66b DB |
623 | if (IS_ERR(child)) |
624 | return PTR_ERR(child); | |
a603a7fa DB |
625 | } |
626 | ||
24ae36f5 PU |
627 | if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc && |
628 | twl_class_is_4030()) { | |
3c330279 | 629 | child = add_child(TWL4030_MODULE_MADC, "twl4030_madc", |
5725d66b | 630 | pdata->madc, sizeof(*pdata->madc), |
9e178620 | 631 | true, irq_base + MADC_INTR_OFFSET, 0); |
5725d66b DB |
632 | if (IS_ERR(child)) |
633 | return PTR_ERR(child); | |
a603a7fa DB |
634 | } |
635 | ||
f78959cf | 636 | if (IS_ENABLED(CONFIG_RTC_DRV_TWL4030)) { |
a603a7fa | 637 | /* |
5725d66b | 638 | * REVISIT platform_data here currently might expose the |
a603a7fa | 639 | * "msecure" line ... but for now we just expect board |
5725d66b | 640 | * setup to tell the chip "it's always ok to SET_TIME". |
a603a7fa DB |
641 | * Eventually, Linux might become more aware of such |
642 | * HW security concerns, and "least privilege". | |
643 | */ | |
3c330279 | 644 | child = add_child(TWL_MODULE_RTC, "twl_rtc", NULL, 0, |
9e178620 | 645 | true, irq_base + RTC_INTR_OFFSET, 0); |
5725d66b DB |
646 | if (IS_ERR(child)) |
647 | return PTR_ERR(child); | |
a603a7fa DB |
648 | } |
649 | ||
afc45898 | 650 | if (IS_ENABLED(CONFIG_PWM_TWL)) { |
3c330279 | 651 | child = add_child(TWL_MODULE_PWM, "twl-pwm", NULL, 0, |
afc45898 PU |
652 | false, 0, 0); |
653 | if (IS_ERR(child)) | |
654 | return PTR_ERR(child); | |
655 | } | |
656 | ||
657 | if (IS_ENABLED(CONFIG_PWM_TWL_LED)) { | |
3c330279 | 658 | child = add_child(TWL_MODULE_LED, "twl-pwmled", NULL, 0, |
48a364b7 TR |
659 | false, 0, 0); |
660 | if (IS_ERR(child)) | |
661 | return PTR_ERR(child); | |
662 | } | |
663 | ||
f78959cf TR |
664 | if (IS_ENABLED(CONFIG_TWL4030_USB) && pdata->usb && |
665 | twl_class_is_4030()) { | |
f8ebdff0 RQ |
666 | |
667 | static struct regulator_consumer_supply usb1v5 = { | |
668 | .supply = "usb1v5", | |
669 | }; | |
670 | static struct regulator_consumer_supply usb1v8 = { | |
671 | .supply = "usb1v8", | |
672 | }; | |
ab37813f N |
673 | static struct regulator_consumer_supply usb3v1[] = { |
674 | { .supply = "usb3v1" }, | |
675 | { .supply = "bci3v1" }, | |
f8ebdff0 RQ |
676 | }; |
677 | ||
678 | /* First add the regulators so that they can be used by transceiver */ | |
f78959cf | 679 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { |
f8ebdff0 RQ |
680 | /* this is a template that gets copied */ |
681 | struct regulator_init_data usb_fixed = { | |
682 | .constraints.valid_modes_mask = | |
683 | REGULATOR_MODE_NORMAL | |
684 | | REGULATOR_MODE_STANDBY, | |
685 | .constraints.valid_ops_mask = | |
686 | REGULATOR_CHANGE_MODE | |
687 | | REGULATOR_CHANGE_STATUS, | |
688 | }; | |
689 | ||
690 | child = add_regulator_linked(TWL4030_REG_VUSB1V5, | |
521d8ec3 GG |
691 | &usb_fixed, &usb1v5, 1, |
692 | features); | |
f8ebdff0 RQ |
693 | if (IS_ERR(child)) |
694 | return PTR_ERR(child); | |
695 | ||
696 | child = add_regulator_linked(TWL4030_REG_VUSB1V8, | |
521d8ec3 GG |
697 | &usb_fixed, &usb1v8, 1, |
698 | features); | |
f8ebdff0 RQ |
699 | if (IS_ERR(child)) |
700 | return PTR_ERR(child); | |
701 | ||
702 | child = add_regulator_linked(TWL4030_REG_VUSB3V1, | |
ab37813f | 703 | &usb_fixed, usb3v1, 2, |
521d8ec3 | 704 | features); |
f8ebdff0 RQ |
705 | if (IS_ERR(child)) |
706 | return PTR_ERR(child); | |
707 | ||
708 | } | |
709 | ||
3c330279 | 710 | child = add_child(TWL_MODULE_USB, "twl4030_usb", |
2d86ad37 | 711 | pdata->usb, sizeof(*pdata->usb), true, |
5725d66b | 712 | /* irq0 = USB_PRES, irq1 = USB */ |
9e178620 FB |
713 | irq_base + USB_PRES_INTR_OFFSET, |
714 | irq_base + USB_INTR_OFFSET); | |
f8ebdff0 | 715 | |
5725d66b DB |
716 | if (IS_ERR(child)) |
717 | return PTR_ERR(child); | |
dad759ff DB |
718 | |
719 | /* we need to connect regulators to this transceiver */ | |
f78959cf | 720 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) { |
1b65fa84 MB |
721 | usb1v5.dev_name = dev_name(child); |
722 | usb1v8.dev_name = dev_name(child); | |
ab37813f | 723 | usb3v1[0].dev_name = dev_name(child); |
f8ebdff0 | 724 | } |
dad759ff | 725 | } |
f78959cf TR |
726 | if (IS_ENABLED(CONFIG_TWL6030_USB) && pdata->usb && |
727 | twl_class_is_6030()) { | |
e70357e3 | 728 | |
521d8ec3 GG |
729 | static struct regulator_consumer_supply usb3v3; |
730 | int regulator; | |
e70357e3 | 731 | |
f78959cf | 732 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { |
e70357e3 HH |
733 | /* this is a template that gets copied */ |
734 | struct regulator_init_data usb_fixed = { | |
735 | .constraints.valid_modes_mask = | |
736 | REGULATOR_MODE_NORMAL | |
737 | | REGULATOR_MODE_STANDBY, | |
738 | .constraints.valid_ops_mask = | |
739 | REGULATOR_CHANGE_MODE | |
740 | | REGULATOR_CHANGE_STATUS, | |
741 | }; | |
742 | ||
521d8ec3 GG |
743 | if (features & TWL6025_SUBCLASS) { |
744 | usb3v3.supply = "ldousb"; | |
745 | regulator = TWL6025_REG_LDOUSB; | |
746 | } else { | |
747 | usb3v3.supply = "vusb"; | |
748 | regulator = TWL6030_REG_VUSB; | |
749 | } | |
750 | child = add_regulator_linked(regulator, &usb_fixed, | |
751 | &usb3v3, 1, | |
752 | features); | |
e70357e3 HH |
753 | if (IS_ERR(child)) |
754 | return PTR_ERR(child); | |
755 | } | |
756 | ||
521d8ec3 GG |
757 | pdata->usb->features = features; |
758 | ||
3c330279 | 759 | child = add_child(TWL_MODULE_USB, "twl6030_usb", |
2d86ad37 | 760 | pdata->usb, sizeof(*pdata->usb), true, |
e70357e3 | 761 | /* irq1 = VBUS_PRES, irq0 = USB ID */ |
9e178620 FB |
762 | irq_base + USBOTG_INTR_OFFSET, |
763 | irq_base + USB_PRES_INTR_OFFSET); | |
e70357e3 HH |
764 | |
765 | if (IS_ERR(child)) | |
766 | return PTR_ERR(child); | |
767 | /* we need to connect regulators to this transceiver */ | |
f78959cf | 768 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) |
1b65fa84 | 769 | usb3v3.dev_name = dev_name(child); |
f78959cf TR |
770 | } else if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && |
771 | twl_class_is_6030()) { | |
521d8ec3 GG |
772 | if (features & TWL6025_SUBCLASS) |
773 | child = add_regulator(TWL6025_REG_LDOUSB, | |
774 | pdata->ldousb, features); | |
775 | else | |
776 | child = add_regulator(TWL6030_REG_VUSB, | |
777 | pdata->vusb, features); | |
e70357e3 | 778 | |
521d8ec3 GG |
779 | if (IS_ERR(child)) |
780 | return PTR_ERR(child); | |
e70357e3 | 781 | } |
dad759ff | 782 | |
f78959cf | 783 | if (IS_ENABLED(CONFIG_TWL4030_WATCHDOG) && twl_class_is_4030()) { |
3c330279 PU |
784 | child = add_child(TWL_MODULE_PM_RECEIVER, "twl4030_wdt", NULL, |
785 | 0, false, 0, 0); | |
80e45b1e | 786 | if (IS_ERR(child)) |
9c3664dd FB |
787 | return PTR_ERR(child); |
788 | } | |
789 | ||
f78959cf | 790 | if (IS_ENABLED(CONFIG_INPUT_TWL4030_PWRBUTTON) && twl_class_is_4030()) { |
3c330279 PU |
791 | child = add_child(TWL_MODULE_PM_MASTER, "twl4030_pwrbutton", |
792 | NULL, 0, true, irq_base + 8 + 0, 0); | |
9c3664dd | 793 | if (IS_ERR(child)) |
80e45b1e TK |
794 | return PTR_ERR(child); |
795 | } | |
796 | ||
f78959cf TR |
797 | if (IS_ENABLED(CONFIG_MFD_TWL4030_AUDIO) && pdata->audio && |
798 | twl_class_is_4030()) { | |
3c330279 | 799 | child = add_child(TWL4030_MODULE_AUDIO_VOICE, "twl4030-audio", |
4ae6df5e | 800 | pdata->audio, sizeof(*pdata->audio), |
d62abe56 MLC |
801 | false, 0, 0); |
802 | if (IS_ERR(child)) | |
803 | return PTR_ERR(child); | |
804 | } | |
805 | ||
9da66539 | 806 | /* twl4030 regulators */ |
f78959cf | 807 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_4030()) { |
521d8ec3 GG |
808 | child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1, |
809 | features); | |
dad759ff DB |
810 | if (IS_ERR(child)) |
811 | return PTR_ERR(child); | |
ab4abe05 | 812 | |
521d8ec3 GG |
813 | child = add_regulator(TWL4030_REG_VIO, pdata->vio, |
814 | features); | |
ab4abe05 JKS |
815 | if (IS_ERR(child)) |
816 | return PTR_ERR(child); | |
817 | ||
521d8ec3 GG |
818 | child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1, |
819 | features); | |
ab4abe05 JKS |
820 | if (IS_ERR(child)) |
821 | return PTR_ERR(child); | |
822 | ||
521d8ec3 GG |
823 | child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2, |
824 | features); | |
ab4abe05 JKS |
825 | if (IS_ERR(child)) |
826 | return PTR_ERR(child); | |
dad759ff | 827 | |
521d8ec3 GG |
828 | child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1, |
829 | features); | |
dad759ff DB |
830 | if (IS_ERR(child)) |
831 | return PTR_ERR(child); | |
832 | ||
521d8ec3 GG |
833 | child = add_regulator(TWL4030_REG_VDAC, pdata->vdac, |
834 | features); | |
dad759ff DB |
835 | if (IS_ERR(child)) |
836 | return PTR_ERR(child); | |
837 | ||
838 | child = add_regulator((features & TWL4030_VAUX2) | |
839 | ? TWL4030_REG_VAUX2_4030 | |
840 | : TWL4030_REG_VAUX2, | |
521d8ec3 | 841 | pdata->vaux2, features); |
dad759ff DB |
842 | if (IS_ERR(child)) |
843 | return PTR_ERR(child); | |
ab4abe05 | 844 | |
521d8ec3 GG |
845 | child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1, |
846 | features); | |
ab4abe05 JKS |
847 | if (IS_ERR(child)) |
848 | return PTR_ERR(child); | |
849 | ||
521d8ec3 GG |
850 | child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2, |
851 | features); | |
ab4abe05 JKS |
852 | if (IS_ERR(child)) |
853 | return PTR_ERR(child); | |
854 | ||
521d8ec3 GG |
855 | child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig, |
856 | features); | |
ab4abe05 JKS |
857 | if (IS_ERR(child)) |
858 | return PTR_ERR(child); | |
dad759ff DB |
859 | } |
860 | ||
dad759ff | 861 | /* maybe add LDOs that are omitted on cost-reduced parts */ |
f78959cf | 862 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && !(features & TPS_SUBSET) |
9da66539 | 863 | && twl_class_is_4030()) { |
521d8ec3 GG |
864 | child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2, |
865 | features); | |
dad759ff DB |
866 | if (IS_ERR(child)) |
867 | return PTR_ERR(child); | |
dad759ff | 868 | |
521d8ec3 GG |
869 | child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2, |
870 | features); | |
dad759ff DB |
871 | if (IS_ERR(child)) |
872 | return PTR_ERR(child); | |
873 | ||
521d8ec3 GG |
874 | child = add_regulator(TWL4030_REG_VSIM, pdata->vsim, |
875 | features); | |
dad759ff DB |
876 | if (IS_ERR(child)) |
877 | return PTR_ERR(child); | |
878 | ||
521d8ec3 GG |
879 | child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1, |
880 | features); | |
dad759ff DB |
881 | if (IS_ERR(child)) |
882 | return PTR_ERR(child); | |
883 | ||
521d8ec3 GG |
884 | child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3, |
885 | features); | |
dad759ff DB |
886 | if (IS_ERR(child)) |
887 | return PTR_ERR(child); | |
888 | ||
521d8ec3 GG |
889 | child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4, |
890 | features); | |
dad759ff DB |
891 | if (IS_ERR(child)) |
892 | return PTR_ERR(child); | |
a603a7fa DB |
893 | } |
894 | ||
9da66539 | 895 | /* twl6030 regulators */ |
f78959cf | 896 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && |
521d8ec3 | 897 | !(features & TWL6025_SUBCLASS)) { |
34a38440 TK |
898 | child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1, |
899 | features); | |
900 | if (IS_ERR(child)) | |
901 | return PTR_ERR(child); | |
902 | ||
903 | child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2, | |
904 | features); | |
905 | if (IS_ERR(child)) | |
906 | return PTR_ERR(child); | |
907 | ||
908 | child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3, | |
909 | features); | |
910 | if (IS_ERR(child)) | |
911 | return PTR_ERR(child); | |
912 | ||
46eda3e9 PU |
913 | child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8, |
914 | features); | |
915 | if (IS_ERR(child)) | |
916 | return PTR_ERR(child); | |
917 | ||
918 | child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1, | |
919 | features); | |
920 | if (IS_ERR(child)) | |
921 | return PTR_ERR(child); | |
922 | ||
521d8ec3 GG |
923 | child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc, |
924 | features); | |
925 | if (IS_ERR(child)) | |
926 | return PTR_ERR(child); | |
927 | ||
928 | child = add_regulator(TWL6030_REG_VPP, pdata->vpp, | |
929 | features); | |
930 | if (IS_ERR(child)) | |
931 | return PTR_ERR(child); | |
932 | ||
933 | child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim, | |
934 | features); | |
935 | if (IS_ERR(child)) | |
936 | return PTR_ERR(child); | |
937 | ||
938 | child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio, | |
939 | features); | |
940 | if (IS_ERR(child)) | |
941 | return PTR_ERR(child); | |
942 | ||
943 | child = add_regulator(TWL6030_REG_VDAC, pdata->vdac, | |
944 | features); | |
945 | if (IS_ERR(child)) | |
946 | return PTR_ERR(child); | |
947 | ||
948 | child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1, | |
949 | features); | |
950 | if (IS_ERR(child)) | |
951 | return PTR_ERR(child); | |
952 | ||
953 | child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2, | |
954 | features); | |
955 | if (IS_ERR(child)) | |
956 | return PTR_ERR(child); | |
957 | ||
958 | child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3, | |
959 | features); | |
960 | if (IS_ERR(child)) | |
961 | return PTR_ERR(child); | |
962 | ||
963 | child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg, | |
964 | features); | |
965 | if (IS_ERR(child)) | |
966 | return PTR_ERR(child); | |
967 | } | |
968 | ||
969 | /* 6030 and 6025 share this regulator */ | |
f78959cf | 970 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030()) { |
521d8ec3 GG |
971 | child = add_regulator(TWL6030_REG_VANA, pdata->vana, |
972 | features); | |
973 | if (IS_ERR(child)) | |
974 | return PTR_ERR(child); | |
975 | } | |
976 | ||
977 | /* twl6025 regulators */ | |
f78959cf | 978 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && |
521d8ec3 GG |
979 | (features & TWL6025_SUBCLASS)) { |
980 | child = add_regulator(TWL6025_REG_LDO5, pdata->ldo5, | |
981 | features); | |
9da66539 RN |
982 | if (IS_ERR(child)) |
983 | return PTR_ERR(child); | |
984 | ||
521d8ec3 GG |
985 | child = add_regulator(TWL6025_REG_LDO1, pdata->ldo1, |
986 | features); | |
9da66539 RN |
987 | if (IS_ERR(child)) |
988 | return PTR_ERR(child); | |
989 | ||
521d8ec3 GG |
990 | child = add_regulator(TWL6025_REG_LDO7, pdata->ldo7, |
991 | features); | |
9da66539 RN |
992 | if (IS_ERR(child)) |
993 | return PTR_ERR(child); | |
994 | ||
521d8ec3 GG |
995 | child = add_regulator(TWL6025_REG_LDO6, pdata->ldo6, |
996 | features); | |
9da66539 RN |
997 | if (IS_ERR(child)) |
998 | return PTR_ERR(child); | |
999 | ||
521d8ec3 GG |
1000 | child = add_regulator(TWL6025_REG_LDOLN, pdata->ldoln, |
1001 | features); | |
9da66539 RN |
1002 | if (IS_ERR(child)) |
1003 | return PTR_ERR(child); | |
1004 | ||
521d8ec3 GG |
1005 | child = add_regulator(TWL6025_REG_LDO2, pdata->ldo2, |
1006 | features); | |
9da66539 RN |
1007 | if (IS_ERR(child)) |
1008 | return PTR_ERR(child); | |
1009 | ||
521d8ec3 GG |
1010 | child = add_regulator(TWL6025_REG_LDO4, pdata->ldo4, |
1011 | features); | |
9da66539 RN |
1012 | if (IS_ERR(child)) |
1013 | return PTR_ERR(child); | |
1014 | ||
521d8ec3 GG |
1015 | child = add_regulator(TWL6025_REG_LDO3, pdata->ldo3, |
1016 | features); | |
9da66539 RN |
1017 | if (IS_ERR(child)) |
1018 | return PTR_ERR(child); | |
1019 | ||
521d8ec3 GG |
1020 | child = add_regulator(TWL6025_REG_SMPS3, pdata->smps3, |
1021 | features); | |
9da66539 RN |
1022 | if (IS_ERR(child)) |
1023 | return PTR_ERR(child); | |
8e6de4a3 | 1024 | |
521d8ec3 GG |
1025 | child = add_regulator(TWL6025_REG_SMPS4, pdata->smps4, |
1026 | features); | |
8e6de4a3 B |
1027 | if (IS_ERR(child)) |
1028 | return PTR_ERR(child); | |
521d8ec3 GG |
1029 | |
1030 | child = add_regulator(TWL6025_REG_VIO, pdata->vio6025, | |
1031 | features); | |
1032 | if (IS_ERR(child)) | |
1033 | return PTR_ERR(child); | |
1034 | ||
9da66539 RN |
1035 | } |
1036 | ||
f78959cf | 1037 | if (IS_ENABLED(CONFIG_CHARGER_TWL4030) && pdata->bci && |
11c39c4b | 1038 | !(features & (TPS_SUBSET | TWL5031))) { |
3c330279 | 1039 | child = add_child(TWL_MODULE_MAIN_CHARGE, "twl4030_bci", |
11c39c4b GI |
1040 | pdata->bci, sizeof(*pdata->bci), false, |
1041 | /* irq0 = CHG_PRES, irq1 = BCI */ | |
9e178620 FB |
1042 | irq_base + BCI_PRES_INTR_OFFSET, |
1043 | irq_base + BCI_INTR_OFFSET); | |
11c39c4b GI |
1044 | if (IS_ERR(child)) |
1045 | return PTR_ERR(child); | |
1046 | } | |
1047 | ||
5725d66b | 1048 | return 0; |
a603a7fa DB |
1049 | } |
1050 | ||
1051 | /*----------------------------------------------------------------------*/ | |
1052 | ||
1053 | /* | |
1054 | * These three functions initialize the on-chip clock framework, | |
1055 | * letting it generate the right frequencies for USB, MADC, and | |
1056 | * other purposes. | |
1057 | */ | |
1058 | static inline int __init protect_pm_master(void) | |
1059 | { | |
1060 | int e = 0; | |
1061 | ||
d640e757 PU |
1062 | e = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, |
1063 | TWL4030_PM_MASTER_PROTECT_KEY); | |
a603a7fa DB |
1064 | return e; |
1065 | } | |
1066 | ||
1067 | static inline int __init unprotect_pm_master(void) | |
1068 | { | |
1069 | int e = 0; | |
1070 | ||
d640e757 PU |
1071 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1, |
1072 | TWL4030_PM_MASTER_PROTECT_KEY); | |
1073 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG2, | |
1074 | TWL4030_PM_MASTER_PROTECT_KEY); | |
49e6f87e | 1075 | |
a603a7fa DB |
1076 | return e; |
1077 | } | |
1078 | ||
38a68496 IK |
1079 | static void clocks_init(struct device *dev, |
1080 | struct twl4030_clock_init_data *clock) | |
a603a7fa DB |
1081 | { |
1082 | int e = 0; | |
1083 | struct clk *osc; | |
1084 | u32 rate; | |
1085 | u8 ctrl = HFCLK_FREQ_26_MHZ; | |
1086 | ||
defa6be1 | 1087 | osc = clk_get(dev, "fck"); |
a603a7fa | 1088 | if (IS_ERR(osc)) { |
fc7b92fc | 1089 | printk(KERN_WARNING "Skipping twl internal clock init and " |
a603a7fa DB |
1090 | "using bootloader value (unknown osc rate)\n"); |
1091 | return; | |
1092 | } | |
1093 | ||
1094 | rate = clk_get_rate(osc); | |
1095 | clk_put(osc); | |
1096 | ||
1097 | switch (rate) { | |
1098 | case 19200000: | |
1099 | ctrl = HFCLK_FREQ_19p2_MHZ; | |
1100 | break; | |
1101 | case 26000000: | |
1102 | ctrl = HFCLK_FREQ_26_MHZ; | |
1103 | break; | |
1104 | case 38400000: | |
1105 | ctrl = HFCLK_FREQ_38p4_MHZ; | |
1106 | break; | |
1107 | } | |
1108 | ||
1109 | ctrl |= HIGH_PERF_SQ; | |
38a68496 IK |
1110 | if (clock && clock->ck32k_lowpwr_enable) |
1111 | ctrl |= CK32K_LOWPWR_EN; | |
1112 | ||
a603a7fa DB |
1113 | e |= unprotect_pm_master(); |
1114 | /* effect->MADC+USB ck en */ | |
fc7b92fc | 1115 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); |
a603a7fa DB |
1116 | e |= protect_pm_master(); |
1117 | ||
1118 | if (e < 0) | |
1119 | pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); | |
1120 | } | |
1121 | ||
1122 | /*----------------------------------------------------------------------*/ | |
1123 | ||
a603a7fa | 1124 | |
fc7b92fc | 1125 | static int twl_remove(struct i2c_client *client) |
a603a7fa | 1126 | { |
364cedb2 | 1127 | unsigned i, num_slaves; |
a30d46c0 | 1128 | int status; |
a603a7fa | 1129 | |
364cedb2 | 1130 | if (twl_class_is_4030()) { |
e8deb28c | 1131 | status = twl4030_exit_irq(); |
364cedb2 PU |
1132 | num_slaves = TWL_NUM_SLAVES; |
1133 | } else { | |
e8deb28c | 1134 | status = twl6030_exit_irq(); |
364cedb2 PU |
1135 | num_slaves = TWL_NUM_SLAVES - 1; |
1136 | } | |
e8deb28c | 1137 | |
a30d46c0 DB |
1138 | if (status < 0) |
1139 | return status; | |
a603a7fa | 1140 | |
364cedb2 | 1141 | for (i = 0; i < num_slaves; i++) { |
fc7b92fc | 1142 | struct twl_client *twl = &twl_modules[i]; |
a603a7fa DB |
1143 | |
1144 | if (twl->client && twl->client != client) | |
1145 | i2c_unregister_device(twl->client); | |
fc7b92fc | 1146 | twl_modules[i].client = NULL; |
a603a7fa DB |
1147 | } |
1148 | inuse = false; | |
1149 | return 0; | |
1150 | } | |
1151 | ||
ec1a07b3 | 1152 | /* NOTE: This driver only handles a single twl4030/tps659x0 chip */ |
f791be49 | 1153 | static int |
fc7b92fc | 1154 | twl_probe(struct i2c_client *client, const struct i2c_device_id *id) |
a603a7fa | 1155 | { |
a603a7fa | 1156 | struct twl4030_platform_data *pdata = client->dev.platform_data; |
aeb5032b | 1157 | struct device_node *node = client->dev.of_node; |
defa6be1 | 1158 | struct platform_device *pdev; |
2473d25a | 1159 | struct regmap_config *twl_regmap_config; |
ec1a07b3 BC |
1160 | int irq_base = 0; |
1161 | int status; | |
364cedb2 | 1162 | unsigned i, num_slaves; |
aeb5032b | 1163 | |
defa6be1 TL |
1164 | pdev = platform_device_alloc(DRIVER_NAME, -1); |
1165 | if (!pdev) { | |
1166 | dev_err(&client->dev, "can't alloc pdev\n"); | |
1167 | return -ENOMEM; | |
1168 | } | |
1169 | ||
1170 | status = platform_device_add(pdev); | |
1171 | if (status) { | |
1172 | platform_device_put(pdev); | |
1173 | return status; | |
1174 | } | |
1175 | ||
aeb5032b BC |
1176 | if (node && !pdata) { |
1177 | /* | |
1178 | * XXX: Temporary pdata until the information is correctly | |
1179 | * retrieved by every TWL modules from DT. | |
1180 | */ | |
1181 | pdata = devm_kzalloc(&client->dev, | |
1182 | sizeof(struct twl4030_platform_data), | |
1183 | GFP_KERNEL); | |
defa6be1 TL |
1184 | if (!pdata) { |
1185 | status = -ENOMEM; | |
1186 | goto free; | |
1187 | } | |
aeb5032b | 1188 | } |
a603a7fa DB |
1189 | |
1190 | if (!pdata) { | |
1191 | dev_dbg(&client->dev, "no platform data?\n"); | |
defa6be1 TL |
1192 | status = -EINVAL; |
1193 | goto free; | |
a603a7fa DB |
1194 | } |
1195 | ||
defa6be1 TL |
1196 | platform_set_drvdata(pdev, pdata); |
1197 | ||
a603a7fa DB |
1198 | if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { |
1199 | dev_dbg(&client->dev, "can't talk I2C?\n"); | |
defa6be1 TL |
1200 | status = -EIO; |
1201 | goto free; | |
a603a7fa DB |
1202 | } |
1203 | ||
a30d46c0 | 1204 | if (inuse) { |
a603a7fa | 1205 | dev_dbg(&client->dev, "driver is already in use\n"); |
defa6be1 TL |
1206 | status = -EBUSY; |
1207 | goto free; | |
a603a7fa DB |
1208 | } |
1209 | ||
364cedb2 PU |
1210 | if ((id->driver_data) & TWL6030_CLASS) { |
1211 | twl_id = TWL6030_CLASS_ID; | |
1212 | twl_map = &twl6030_map[0]; | |
5d4e9bd7 PU |
1213 | /* The charger base address is different in twl6025 */ |
1214 | if ((id->driver_data) & TWL6025_SUBCLASS) | |
1215 | twl_map[TWL_MODULE_MAIN_CHARGE].base = | |
1216 | TWL6025_BASEADD_CHARGER; | |
2473d25a | 1217 | twl_regmap_config = twl6030_regmap_config; |
364cedb2 PU |
1218 | num_slaves = TWL_NUM_SLAVES - 1; |
1219 | } else { | |
1220 | twl_id = TWL4030_CLASS_ID; | |
1221 | twl_map = &twl4030_map[0]; | |
2473d25a | 1222 | twl_regmap_config = twl4030_regmap_config; |
364cedb2 PU |
1223 | num_slaves = TWL_NUM_SLAVES; |
1224 | } | |
1225 | ||
1226 | for (i = 0; i < num_slaves; i++) { | |
ec1a07b3 | 1227 | struct twl_client *twl = &twl_modules[i]; |
a603a7fa | 1228 | |
ec1a07b3 | 1229 | if (i == 0) { |
a603a7fa | 1230 | twl->client = client; |
ec1a07b3 | 1231 | } else { |
a603a7fa | 1232 | twl->client = i2c_new_dummy(client->adapter, |
2473d25a | 1233 | client->addr + i); |
a603a7fa | 1234 | if (!twl->client) { |
a8643430 | 1235 | dev_err(&client->dev, |
a603a7fa DB |
1236 | "can't attach client %d\n", i); |
1237 | status = -ENOMEM; | |
1238 | goto fail; | |
1239 | } | |
a603a7fa | 1240 | } |
2473d25a PU |
1241 | |
1242 | twl->regmap = devm_regmap_init_i2c(twl->client, | |
1243 | &twl_regmap_config[i]); | |
1244 | if (IS_ERR(twl->regmap)) { | |
1245 | status = PTR_ERR(twl->regmap); | |
1246 | dev_err(&client->dev, | |
1247 | "Failed to allocate regmap %d, err: %d\n", i, | |
1248 | status); | |
1249 | goto fail; | |
1250 | } | |
a603a7fa | 1251 | } |
ec1a07b3 | 1252 | |
a603a7fa DB |
1253 | inuse = true; |
1254 | ||
1255 | /* setup clock framework */ | |
defa6be1 | 1256 | clocks_init(&pdev->dev, pdata->clock); |
a603a7fa | 1257 | |
ca972d13 L |
1258 | /* read TWL IDCODE Register */ |
1259 | if (twl_id == TWL4030_CLASS_ID) { | |
ec1a07b3 BC |
1260 | status = twl_read_idcode_register(); |
1261 | WARN(status < 0, "Error: reading twl_idcode register value\n"); | |
ca972d13 L |
1262 | } |
1263 | ||
ebf0bd36 | 1264 | /* load power event scripts */ |
f78959cf | 1265 | if (IS_ENABLED(CONFIG_TWL4030_POWER) && pdata->power) |
ebf0bd36 AK |
1266 | twl4030_power_init(pdata->power); |
1267 | ||
a603a7fa | 1268 | /* Maybe init the T2 Interrupt subsystem */ |
9e178620 | 1269 | if (client->irq) { |
e8deb28c B |
1270 | if (twl_class_is_4030()) { |
1271 | twl4030_init_chip_irq(id->name); | |
78518ffa | 1272 | irq_base = twl4030_init_irq(&client->dev, client->irq); |
e8deb28c | 1273 | } else { |
78518ffa | 1274 | irq_base = twl6030_init_irq(&client->dev, client->irq); |
e8deb28c B |
1275 | } |
1276 | ||
78518ffa BC |
1277 | if (irq_base < 0) { |
1278 | status = irq_base; | |
a30d46c0 | 1279 | goto fail; |
78518ffa | 1280 | } |
a603a7fa DB |
1281 | } |
1282 | ||
ec1a07b3 BC |
1283 | /* |
1284 | * Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface. | |
a29aaf55 MS |
1285 | * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0, |
1286 | * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. | |
1287 | */ | |
a29aaf55 | 1288 | if (twl_class_is_4030()) { |
ec1a07b3 BC |
1289 | u8 temp; |
1290 | ||
a29aaf55 MS |
1291 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1); |
1292 | temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \ | |
ec1a07b3 | 1293 | I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU); |
a29aaf55 MS |
1294 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1); |
1295 | } | |
1296 | ||
964dba28 | 1297 | status = -ENODEV; |
aeb5032b BC |
1298 | if (node) |
1299 | status = of_platform_populate(node, NULL, NULL, &client->dev); | |
964dba28 | 1300 | if (status) |
9e178620 | 1301 | status = add_children(pdata, irq_base, id->driver_data); |
aeb5032b | 1302 | |
a603a7fa DB |
1303 | fail: |
1304 | if (status < 0) | |
fc7b92fc | 1305 | twl_remove(client); |
defa6be1 TL |
1306 | free: |
1307 | if (status < 0) | |
1308 | platform_device_unregister(pdev); | |
ec1a07b3 | 1309 | |
a603a7fa DB |
1310 | return status; |
1311 | } | |
1312 | ||
fc7b92fc | 1313 | static const struct i2c_device_id twl_ids[] = { |
dad759ff DB |
1314 | { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ |
1315 | { "twl5030", 0 }, /* T2 updated */ | |
1920a61e | 1316 | { "twl5031", TWL5031 }, /* TWL5030 updated */ |
dad759ff DB |
1317 | { "tps65950", 0 }, /* catalog version of twl5030 */ |
1318 | { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ | |
1319 | { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ | |
59dead5a OD |
1320 | { "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED |
1321 | and vibrator. Charger in USB module*/ | |
e8deb28c | 1322 | { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ |
521d8ec3 | 1323 | { "twl6025", TWL6030_CLASS | TWL6025_SUBCLASS }, /* "Phoenix lite" */ |
a603a7fa DB |
1324 | { /* end of list */ }, |
1325 | }; | |
fc7b92fc | 1326 | MODULE_DEVICE_TABLE(i2c, twl_ids); |
a603a7fa DB |
1327 | |
1328 | /* One Client Driver , 4 Clients */ | |
fc7b92fc | 1329 | static struct i2c_driver twl_driver = { |
a603a7fa | 1330 | .driver.name = DRIVER_NAME, |
fc7b92fc B |
1331 | .id_table = twl_ids, |
1332 | .probe = twl_probe, | |
1333 | .remove = twl_remove, | |
a603a7fa DB |
1334 | }; |
1335 | ||
fc7b92fc | 1336 | static int __init twl_init(void) |
a603a7fa | 1337 | { |
fc7b92fc | 1338 | return i2c_add_driver(&twl_driver); |
a603a7fa | 1339 | } |
fc7b92fc | 1340 | subsys_initcall(twl_init); |
a603a7fa | 1341 | |
fc7b92fc | 1342 | static void __exit twl_exit(void) |
a603a7fa | 1343 | { |
fc7b92fc | 1344 | i2c_del_driver(&twl_driver); |
a603a7fa | 1345 | } |
fc7b92fc | 1346 | module_exit(twl_exit); |
a603a7fa DB |
1347 | |
1348 | MODULE_AUTHOR("Texas Instruments, Inc."); | |
fc7b92fc | 1349 | MODULE_DESCRIPTION("I2C Core interface for TWL"); |
a603a7fa | 1350 | MODULE_LICENSE("GPL"); |