Commit | Line | Data |
---|---|---|
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 | ||
a603a7fa DB |
69 | /* Base Address defns for twl4030_map[] */ |
70 | ||
71 | /* subchip/slave 0 - USB ID */ | |
72 | #define TWL4030_BASEADD_USB 0x0000 | |
73 | ||
74 | /* subchip/slave 1 - AUD ID */ | |
75 | #define TWL4030_BASEADD_AUDIO_VOICE 0x0000 | |
76 | #define TWL4030_BASEADD_GPIO 0x0098 | |
77 | #define TWL4030_BASEADD_INTBR 0x0085 | |
78 | #define TWL4030_BASEADD_PIH 0x0080 | |
79 | #define TWL4030_BASEADD_TEST 0x004C | |
80 | ||
81 | /* subchip/slave 2 - AUX ID */ | |
82 | #define TWL4030_BASEADD_INTERRUPTS 0x00B9 | |
83 | #define TWL4030_BASEADD_LED 0x00EE | |
84 | #define TWL4030_BASEADD_MADC 0x0000 | |
85 | #define TWL4030_BASEADD_MAIN_CHARGE 0x0074 | |
86 | #define TWL4030_BASEADD_PRECHARGE 0x00AA | |
5d4e9bd7 | 87 | #define TWL4030_BASEADD_PWM 0x00F8 |
a603a7fa DB |
88 | #define TWL4030_BASEADD_KEYPAD 0x00D2 |
89 | ||
1920a61e IK |
90 | #define TWL5031_BASEADD_ACCESSORY 0x0074 /* Replaces Main Charge */ |
91 | #define TWL5031_BASEADD_INTERRUPTS 0x00B9 /* Different than TWL4030's | |
92 | one */ | |
93 | ||
a603a7fa DB |
94 | /* subchip/slave 3 - POWER ID */ |
95 | #define TWL4030_BASEADD_BACKUP 0x0014 | |
96 | #define TWL4030_BASEADD_INT 0x002E | |
97 | #define TWL4030_BASEADD_PM_MASTER 0x0036 | |
98 | #define TWL4030_BASEADD_PM_RECEIVER 0x005B | |
99 | #define TWL4030_BASEADD_RTC 0x001C | |
100 | #define TWL4030_BASEADD_SECURED_REG 0x0000 | |
101 | ||
102 | /* Triton Core internal information (END) */ | |
103 | ||
104 | ||
e8deb28c B |
105 | /* subchip/slave 0 0x48 - POWER */ |
106 | #define TWL6030_BASEADD_RTC 0x0000 | |
5d4e9bd7 | 107 | #define TWL6030_BASEADD_SECURED_REG 0x0017 |
e8deb28c B |
108 | #define TWL6030_BASEADD_PM_MASTER 0x001F |
109 | #define TWL6030_BASEADD_PM_SLAVE_MISC 0x0030 /* PM_RECEIVER */ | |
110 | #define TWL6030_BASEADD_PM_MISC 0x00E2 | |
111 | #define TWL6030_BASEADD_PM_PUPD 0x00F0 | |
112 | ||
113 | /* subchip/slave 1 0x49 - FEATURE */ | |
114 | #define TWL6030_BASEADD_USB 0x0000 | |
115 | #define TWL6030_BASEADD_GPADC_CTRL 0x002E | |
116 | #define TWL6030_BASEADD_AUX 0x0090 | |
117 | #define TWL6030_BASEADD_PWM 0x00BA | |
118 | #define TWL6030_BASEADD_GASGAUGE 0x00C0 | |
119 | #define TWL6030_BASEADD_PIH 0x00D0 | |
120 | #define TWL6030_BASEADD_CHARGER 0x00E0 | |
89ce43fb | 121 | #define TWL6032_BASEADD_CHARGER 0x00DA |
5d4e9bd7 | 122 | #define TWL6030_BASEADD_LED 0x00F4 |
e8deb28c B |
123 | |
124 | /* subchip/slave 2 0x4A - DFT */ | |
125 | #define TWL6030_BASEADD_DIEID 0x00C0 | |
126 | ||
127 | /* subchip/slave 3 0x4B - AUDIO */ | |
128 | #define TWL6030_BASEADD_AUDIO 0x0000 | |
129 | #define TWL6030_BASEADD_RSV 0x0000 | |
fa0d9762 | 130 | #define TWL6030_BASEADD_ZERO 0x0000 |
e8deb28c | 131 | |
a603a7fa DB |
132 | /* Few power values */ |
133 | #define R_CFG_BOOT 0x05 | |
a603a7fa DB |
134 | |
135 | /* some fields in R_CFG_BOOT */ | |
136 | #define HFCLK_FREQ_19p2_MHZ (1 << 0) | |
137 | #define HFCLK_FREQ_26_MHZ (2 << 0) | |
138 | #define HFCLK_FREQ_38p4_MHZ (3 << 0) | |
139 | #define HIGH_PERF_SQ (1 << 3) | |
38a68496 | 140 | #define CK32K_LOWPWR_EN (1 << 7) |
a603a7fa | 141 | |
a603a7fa DB |
142 | /*----------------------------------------------------------------------*/ |
143 | ||
e8deb28c | 144 | /* Structure for each TWL4030/TWL6030 Slave */ |
fc7b92fc | 145 | struct twl_client { |
a603a7fa | 146 | struct i2c_client *client; |
2473d25a | 147 | struct regmap *regmap; |
a603a7fa DB |
148 | }; |
149 | ||
a603a7fa | 150 | /* mapping the module id to slave id and base address */ |
fc7b92fc | 151 | struct twl_mapping { |
a603a7fa DB |
152 | unsigned char sid; /* Slave ID */ |
153 | unsigned char base; /* base address */ | |
154 | }; | |
80a97ccd PU |
155 | |
156 | struct twl_private { | |
157 | bool ready; /* The core driver is ready to be used */ | |
158 | u32 twl_idcode; /* TWL IDCODE Register value */ | |
159 | unsigned int twl_id; | |
160 | ||
161 | struct twl_mapping *twl_map; | |
162 | struct twl_client *twl_modules; | |
163 | }; | |
164 | ||
165 | static struct twl_private *twl_priv; | |
a603a7fa | 166 | |
da059ecf | 167 | static struct twl_mapping twl4030_map[] = { |
a603a7fa DB |
168 | /* |
169 | * NOTE: don't change this table without updating the | |
e8deb28c | 170 | * <linux/i2c/twl.h> defines for TWL4030_MODULE_* |
a603a7fa DB |
171 | * so they continue to match the order in this table. |
172 | */ | |
173 | ||
5d4e9bd7 | 174 | /* Common IPs */ |
a603a7fa | 175 | { 0, TWL4030_BASEADD_USB }, |
5d4e9bd7 PU |
176 | { 1, TWL4030_BASEADD_PIH }, |
177 | { 2, TWL4030_BASEADD_MAIN_CHARGE }, | |
178 | { 3, TWL4030_BASEADD_PM_MASTER }, | |
179 | { 3, TWL4030_BASEADD_PM_RECEIVER }, | |
180 | ||
181 | { 3, TWL4030_BASEADD_RTC }, | |
182 | { 2, TWL4030_BASEADD_PWM }, | |
183 | { 2, TWL4030_BASEADD_LED }, | |
184 | { 3, TWL4030_BASEADD_SECURED_REG }, | |
185 | ||
186 | /* TWL4030 specific IPs */ | |
a603a7fa DB |
187 | { 1, TWL4030_BASEADD_AUDIO_VOICE }, |
188 | { 1, TWL4030_BASEADD_GPIO }, | |
189 | { 1, TWL4030_BASEADD_INTBR }, | |
6691ccd0 | 190 | { 1, TWL4030_BASEADD_TEST }, |
a603a7fa | 191 | { 2, TWL4030_BASEADD_KEYPAD }, |
5d4e9bd7 | 192 | |
a603a7fa DB |
193 | { 2, TWL4030_BASEADD_MADC }, |
194 | { 2, TWL4030_BASEADD_INTERRUPTS }, | |
a603a7fa | 195 | { 2, TWL4030_BASEADD_PRECHARGE }, |
a603a7fa DB |
196 | { 3, TWL4030_BASEADD_BACKUP }, |
197 | { 3, TWL4030_BASEADD_INT }, | |
6691ccd0 | 198 | |
5d4e9bd7 PU |
199 | { 2, TWL5031_BASEADD_ACCESSORY }, |
200 | { 2, TWL5031_BASEADD_INTERRUPTS }, | |
a603a7fa DB |
201 | }; |
202 | ||
2473d25a PU |
203 | static struct regmap_config twl4030_regmap_config[4] = { |
204 | { | |
205 | /* Address 0x48 */ | |
206 | .reg_bits = 8, | |
207 | .val_bits = 8, | |
208 | .max_register = 0xff, | |
209 | }, | |
210 | { | |
211 | /* Address 0x49 */ | |
212 | .reg_bits = 8, | |
213 | .val_bits = 8, | |
214 | .max_register = 0xff, | |
215 | }, | |
216 | { | |
217 | /* Address 0x4a */ | |
218 | .reg_bits = 8, | |
219 | .val_bits = 8, | |
220 | .max_register = 0xff, | |
221 | }, | |
222 | { | |
223 | /* Address 0x4b */ | |
224 | .reg_bits = 8, | |
225 | .val_bits = 8, | |
226 | .max_register = 0xff, | |
227 | }, | |
228 | }; | |
229 | ||
e8deb28c B |
230 | static struct twl_mapping twl6030_map[] = { |
231 | /* | |
232 | * NOTE: don't change this table without updating the | |
233 | * <linux/i2c/twl.h> defines for TWL4030_MODULE_* | |
234 | * so they continue to match the order in this table. | |
235 | */ | |
5d4e9bd7 PU |
236 | |
237 | /* Common IPs */ | |
238 | { 1, TWL6030_BASEADD_USB }, | |
239 | { 1, TWL6030_BASEADD_PIH }, | |
240 | { 1, TWL6030_BASEADD_CHARGER }, | |
241 | { 0, TWL6030_BASEADD_PM_MASTER }, | |
242 | { 0, TWL6030_BASEADD_PM_SLAVE_MISC }, | |
243 | ||
244 | { 0, TWL6030_BASEADD_RTC }, | |
245 | { 1, TWL6030_BASEADD_PWM }, | |
246 | { 1, TWL6030_BASEADD_LED }, | |
247 | { 0, TWL6030_BASEADD_SECURED_REG }, | |
248 | ||
249 | /* TWL6030 specific IPs */ | |
250 | { 0, TWL6030_BASEADD_ZERO }, | |
251 | { 1, TWL6030_BASEADD_ZERO }, | |
252 | { 2, TWL6030_BASEADD_ZERO }, | |
253 | { 1, TWL6030_BASEADD_GPADC_CTRL }, | |
254 | { 1, TWL6030_BASEADD_GASGAUGE }, | |
e8deb28c B |
255 | }; |
256 | ||
2473d25a PU |
257 | static struct regmap_config twl6030_regmap_config[3] = { |
258 | { | |
259 | /* Address 0x48 */ | |
260 | .reg_bits = 8, | |
261 | .val_bits = 8, | |
262 | .max_register = 0xff, | |
263 | }, | |
264 | { | |
265 | /* Address 0x49 */ | |
266 | .reg_bits = 8, | |
267 | .val_bits = 8, | |
268 | .max_register = 0xff, | |
269 | }, | |
270 | { | |
271 | /* Address 0x4a */ | |
272 | .reg_bits = 8, | |
273 | .val_bits = 8, | |
274 | .max_register = 0xff, | |
275 | }, | |
276 | }; | |
277 | ||
a603a7fa DB |
278 | /*----------------------------------------------------------------------*/ |
279 | ||
6dd810b5 PU |
280 | static inline int twl_get_num_slaves(void) |
281 | { | |
282 | if (twl_class_is_4030()) | |
283 | return 4; /* TWL4030 class have four slave address */ | |
284 | else | |
285 | return 3; /* TWL6030 class have three slave address */ | |
286 | } | |
287 | ||
5d4e9bd7 PU |
288 | static inline int twl_get_last_module(void) |
289 | { | |
290 | if (twl_class_is_4030()) | |
291 | return TWL4030_MODULE_LAST; | |
292 | else | |
293 | return TWL6030_MODULE_LAST; | |
294 | } | |
295 | ||
a603a7fa DB |
296 | /* Exported Functions */ |
297 | ||
80a97ccd PU |
298 | unsigned int twl_rev(void) |
299 | { | |
300 | return twl_priv ? twl_priv->twl_id : 0; | |
301 | } | |
302 | EXPORT_SYMBOL(twl_rev); | |
303 | ||
a603a7fa | 304 | /** |
fc7b92fc | 305 | * twl_i2c_write - Writes a n bit register in TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
306 | * @mod_no: module number |
307 | * @value: an array of num_bytes+1 containing data to write | |
308 | * @reg: register address (just offset will do) | |
309 | * @num_bytes: number of bytes to transfer | |
310 | * | |
a603a7fa DB |
311 | * Returns the result of operation - 0 is success |
312 | */ | |
fc7b92fc | 313 | int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) |
a603a7fa DB |
314 | { |
315 | int ret; | |
316 | int sid; | |
fc7b92fc | 317 | struct twl_client *twl; |
a603a7fa | 318 | |
1765dbcc JH |
319 | if (unlikely(!twl_priv || !twl_priv->ready)) { |
320 | pr_err("%s: not initialized\n", DRIVER_NAME); | |
a603a7fa DB |
321 | return -EPERM; |
322 | } | |
1765dbcc JH |
323 | if (unlikely(mod_no >= twl_get_last_module())) { |
324 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); | |
a603a7fa DB |
325 | return -EPERM; |
326 | } | |
050cde13 | 327 | |
80a97ccd PU |
328 | sid = twl_priv->twl_map[mod_no].sid; |
329 | twl = &twl_priv->twl_modules[sid]; | |
8653be1a | 330 | |
80a97ccd PU |
331 | ret = regmap_bulk_write(twl->regmap, |
332 | twl_priv->twl_map[mod_no].base + reg, value, | |
333 | num_bytes); | |
2473d25a PU |
334 | |
335 | if (ret) | |
336 | pr_err("%s: Write failed (mod %d, reg 0x%02x count %d)\n", | |
337 | DRIVER_NAME, mod_no, reg, num_bytes); | |
338 | ||
339 | return ret; | |
a603a7fa | 340 | } |
fc7b92fc | 341 | EXPORT_SYMBOL(twl_i2c_write); |
a603a7fa DB |
342 | |
343 | /** | |
fc7b92fc | 344 | * twl_i2c_read - Reads a n bit register in TWL4030/TWL5030/TWL60X0 |
a603a7fa DB |
345 | * @mod_no: module number |
346 | * @value: an array of num_bytes containing data to be read | |
347 | * @reg: register address (just offset will do) | |
348 | * @num_bytes: number of bytes to transfer | |
349 | * | |
350 | * Returns result of operation - num_bytes is success else failure. | |
351 | */ | |
fc7b92fc | 352 | int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) |
a603a7fa DB |
353 | { |
354 | int ret; | |
a603a7fa | 355 | int sid; |
fc7b92fc | 356 | struct twl_client *twl; |
a603a7fa | 357 | |
1765dbcc JH |
358 | if (unlikely(!twl_priv || !twl_priv->ready)) { |
359 | pr_err("%s: not initialized\n", DRIVER_NAME); | |
a603a7fa DB |
360 | return -EPERM; |
361 | } | |
1765dbcc JH |
362 | if (unlikely(mod_no >= twl_get_last_module())) { |
363 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); | |
a603a7fa DB |
364 | return -EPERM; |
365 | } | |
050cde13 | 366 | |
80a97ccd PU |
367 | sid = twl_priv->twl_map[mod_no].sid; |
368 | twl = &twl_priv->twl_modules[sid]; | |
8653be1a | 369 | |
80a97ccd PU |
370 | ret = regmap_bulk_read(twl->regmap, |
371 | twl_priv->twl_map[mod_no].base + reg, value, | |
372 | num_bytes); | |
2473d25a PU |
373 | |
374 | if (ret) | |
375 | pr_err("%s: Read failed (mod %d, reg 0x%02x count %d)\n", | |
376 | DRIVER_NAME, mod_no, reg, num_bytes); | |
377 | ||
378 | return ret; | |
a603a7fa | 379 | } |
fc7b92fc | 380 | EXPORT_SYMBOL(twl_i2c_read); |
a603a7fa | 381 | |
a603a7fa DB |
382 | /*----------------------------------------------------------------------*/ |
383 | ||
ca972d13 L |
384 | /** |
385 | * twl_read_idcode_register - API to read the IDCODE register. | |
386 | * | |
387 | * Unlocks the IDCODE register and read the 32 bit value. | |
388 | */ | |
389 | static int twl_read_idcode_register(void) | |
390 | { | |
391 | int err; | |
392 | ||
393 | err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, TWL_EEPROM_R_UNLOCK, | |
394 | REG_UNLOCK_TEST_REG); | |
395 | if (err) { | |
396 | pr_err("TWL4030 Unable to unlock IDCODE registers -%d\n", err); | |
397 | goto fail; | |
398 | } | |
399 | ||
80a97ccd | 400 | err = twl_i2c_read(TWL4030_MODULE_INTBR, (u8 *)(&twl_priv->twl_idcode), |
ca972d13 L |
401 | REG_IDCODE_7_0, 4); |
402 | if (err) { | |
403 | pr_err("TWL4030: unable to read IDCODE -%d\n", err); | |
404 | goto fail; | |
405 | } | |
406 | ||
407 | err = twl_i2c_write_u8(TWL4030_MODULE_INTBR, 0x0, REG_UNLOCK_TEST_REG); | |
408 | if (err) | |
409 | pr_err("TWL4030 Unable to relock IDCODE registers -%d\n", err); | |
410 | fail: | |
411 | return err; | |
412 | } | |
413 | ||
414 | /** | |
415 | * twl_get_type - API to get TWL Si type. | |
416 | * | |
417 | * Api to get the TWL Si type from IDCODE value. | |
418 | */ | |
419 | int twl_get_type(void) | |
420 | { | |
80a97ccd | 421 | return TWL_SIL_TYPE(twl_priv->twl_idcode); |
ca972d13 L |
422 | } |
423 | EXPORT_SYMBOL_GPL(twl_get_type); | |
424 | ||
425 | /** | |
426 | * twl_get_version - API to get TWL Si version. | |
427 | * | |
428 | * Api to get the TWL Si version from IDCODE value. | |
429 | */ | |
430 | int twl_get_version(void) | |
431 | { | |
80a97ccd | 432 | return TWL_SIL_REV(twl_priv->twl_idcode); |
ca972d13 L |
433 | } |
434 | EXPORT_SYMBOL_GPL(twl_get_version); | |
435 | ||
2275c544 PU |
436 | /** |
437 | * twl_get_hfclk_rate - API to get TWL external HFCLK clock rate. | |
438 | * | |
439 | * Api to get the TWL HFCLK rate based on BOOT_CFG register. | |
440 | */ | |
441 | int twl_get_hfclk_rate(void) | |
442 | { | |
443 | u8 ctrl; | |
444 | int rate; | |
445 | ||
446 | twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &ctrl, R_CFG_BOOT); | |
447 | ||
448 | switch (ctrl & 0x3) { | |
449 | case HFCLK_FREQ_19p2_MHZ: | |
450 | rate = 19200000; | |
451 | break; | |
452 | case HFCLK_FREQ_26_MHZ: | |
453 | rate = 26000000; | |
454 | break; | |
455 | case HFCLK_FREQ_38p4_MHZ: | |
456 | rate = 38400000; | |
457 | break; | |
458 | default: | |
459 | pr_err("TWL4030: HFCLK is not configured\n"); | |
460 | rate = -EINVAL; | |
461 | break; | |
462 | } | |
463 | ||
464 | return rate; | |
465 | } | |
466 | EXPORT_SYMBOL_GPL(twl_get_hfclk_rate); | |
467 | ||
dad759ff | 468 | static struct device * |
3c330279 | 469 | add_numbered_child(unsigned mod_no, const char *name, int num, |
5725d66b DB |
470 | void *pdata, unsigned pdata_len, |
471 | bool can_wakeup, int irq0, int irq1) | |
a603a7fa | 472 | { |
5725d66b | 473 | struct platform_device *pdev; |
3c330279 PU |
474 | struct twl_client *twl; |
475 | int status, sid; | |
476 | ||
477 | if (unlikely(mod_no >= twl_get_last_module())) { | |
478 | pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no); | |
479 | return ERR_PTR(-EPERM); | |
480 | } | |
80a97ccd PU |
481 | sid = twl_priv->twl_map[mod_no].sid; |
482 | twl = &twl_priv->twl_modules[sid]; | |
5725d66b | 483 | |
dad759ff | 484 | pdev = platform_device_alloc(name, num); |
5725d66b DB |
485 | if (!pdev) { |
486 | dev_dbg(&twl->client->dev, "can't alloc dev\n"); | |
487 | status = -ENOMEM; | |
488 | goto err; | |
489 | } | |
a603a7fa | 490 | |
5725d66b | 491 | pdev->dev.parent = &twl->client->dev; |
a603a7fa | 492 | |
5725d66b DB |
493 | if (pdata) { |
494 | status = platform_device_add_data(pdev, pdata, pdata_len); | |
495 | if (status < 0) { | |
496 | dev_dbg(&pdev->dev, "can't add platform_data\n"); | |
a603a7fa DB |
497 | goto err; |
498 | } | |
5725d66b | 499 | } |
a603a7fa | 500 | |
5725d66b DB |
501 | if (irq0) { |
502 | struct resource r[2] = { | |
503 | { .start = irq0, .flags = IORESOURCE_IRQ, }, | |
504 | { .start = irq1, .flags = IORESOURCE_IRQ, }, | |
505 | }; | |
a603a7fa | 506 | |
5725d66b | 507 | status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); |
a603a7fa | 508 | if (status < 0) { |
5725d66b | 509 | dev_dbg(&pdev->dev, "can't add irqs\n"); |
a603a7fa DB |
510 | goto err; |
511 | } | |
512 | } | |
513 | ||
5725d66b | 514 | status = platform_device_add(pdev); |
17ffba6a N |
515 | if (status == 0) |
516 | device_init_wakeup(&pdev->dev, can_wakeup); | |
a603a7fa | 517 | |
5725d66b DB |
518 | err: |
519 | if (status < 0) { | |
520 | platform_device_put(pdev); | |
521 | dev_err(&twl->client->dev, "can't add %s dev\n", name); | |
522 | return ERR_PTR(status); | |
523 | } | |
524 | return &pdev->dev; | |
525 | } | |
a603a7fa | 526 | |
3c330279 | 527 | static inline struct device *add_child(unsigned mod_no, const char *name, |
dad759ff DB |
528 | void *pdata, unsigned pdata_len, |
529 | bool can_wakeup, int irq0, int irq1) | |
530 | { | |
3c330279 | 531 | return add_numbered_child(mod_no, name, -1, pdata, pdata_len, |
dad759ff DB |
532 | can_wakeup, irq0, irq1); |
533 | } | |
534 | ||
535 | static struct device * | |
536 | add_regulator_linked(int num, struct regulator_init_data *pdata, | |
537 | struct regulator_consumer_supply *consumers, | |
521d8ec3 | 538 | unsigned num_consumers, unsigned long features) |
dad759ff | 539 | { |
63bfff4e TK |
540 | struct twl_regulator_driver_data drv_data; |
541 | ||
dad759ff DB |
542 | /* regulator framework demands init_data ... */ |
543 | if (!pdata) | |
544 | return NULL; | |
545 | ||
b73eac78 | 546 | if (consumers) { |
dad759ff DB |
547 | pdata->consumer_supplies = consumers; |
548 | pdata->num_consumer_supplies = num_consumers; | |
549 | } | |
550 | ||
63bfff4e TK |
551 | if (pdata->driver_data) { |
552 | /* If we have existing drv_data, just add the flags */ | |
553 | struct twl_regulator_driver_data *tmp; | |
554 | tmp = pdata->driver_data; | |
555 | tmp->features |= features; | |
556 | } else { | |
557 | /* add new driver data struct, used only during init */ | |
558 | drv_data.features = features; | |
559 | drv_data.set_voltage = NULL; | |
560 | drv_data.get_voltage = NULL; | |
561 | drv_data.data = NULL; | |
562 | pdata->driver_data = &drv_data; | |
563 | } | |
521d8ec3 | 564 | |
dad759ff | 565 | /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ |
3c330279 | 566 | return add_numbered_child(TWL_MODULE_PM_MASTER, "twl_reg", num, |
dad759ff DB |
567 | pdata, sizeof(*pdata), false, 0, 0); |
568 | } | |
569 | ||
570 | static struct device * | |
521d8ec3 GG |
571 | add_regulator(int num, struct regulator_init_data *pdata, |
572 | unsigned long features) | |
dad759ff | 573 | { |
521d8ec3 | 574 | return add_regulator_linked(num, pdata, NULL, 0, features); |
dad759ff DB |
575 | } |
576 | ||
5725d66b DB |
577 | /* |
578 | * NOTE: We know the first 8 IRQs after pdata->base_irq are | |
579 | * for the PIH, and the next are for the PWR_INT SIH, since | |
580 | * that's how twl_init_irq() sets things up. | |
581 | */ | |
a603a7fa | 582 | |
dad759ff | 583 | static int |
9e178620 FB |
584 | add_children(struct twl4030_platform_data *pdata, unsigned irq_base, |
585 | unsigned long features) | |
5725d66b DB |
586 | { |
587 | struct device *child; | |
a603a7fa | 588 | |
f78959cf | 589 | if (IS_ENABLED(CONFIG_GPIO_TWL4030) && pdata->gpio) { |
3c330279 | 590 | child = add_child(TWL4030_MODULE_GPIO, "twl4030_gpio", |
5725d66b | 591 | pdata->gpio, sizeof(*pdata->gpio), |
9e178620 | 592 | false, irq_base + GPIO_INTR_OFFSET, 0); |
5725d66b DB |
593 | if (IS_ERR(child)) |
594 | return PTR_ERR(child); | |
a603a7fa DB |
595 | } |
596 | ||
f78959cf | 597 | if (IS_ENABLED(CONFIG_KEYBOARD_TWL4030) && pdata->keypad) { |
3c330279 | 598 | child = add_child(TWL4030_MODULE_KEYPAD, "twl4030_keypad", |
5725d66b | 599 | pdata->keypad, sizeof(*pdata->keypad), |
9e178620 | 600 | true, irq_base + KEYPAD_INTR_OFFSET, 0); |
5725d66b DB |
601 | if (IS_ERR(child)) |
602 | return PTR_ERR(child); | |
a603a7fa DB |
603 | } |
604 | ||
24ae36f5 PU |
605 | if (IS_ENABLED(CONFIG_TWL4030_MADC) && pdata->madc && |
606 | twl_class_is_4030()) { | |
3c330279 | 607 | child = add_child(TWL4030_MODULE_MADC, "twl4030_madc", |
5725d66b | 608 | pdata->madc, sizeof(*pdata->madc), |
9e178620 | 609 | true, irq_base + MADC_INTR_OFFSET, 0); |
5725d66b DB |
610 | if (IS_ERR(child)) |
611 | return PTR_ERR(child); | |
a603a7fa DB |
612 | } |
613 | ||
f78959cf | 614 | if (IS_ENABLED(CONFIG_RTC_DRV_TWL4030)) { |
a603a7fa | 615 | /* |
5725d66b | 616 | * REVISIT platform_data here currently might expose the |
a603a7fa | 617 | * "msecure" line ... but for now we just expect board |
5725d66b | 618 | * setup to tell the chip "it's always ok to SET_TIME". |
a603a7fa DB |
619 | * Eventually, Linux might become more aware of such |
620 | * HW security concerns, and "least privilege". | |
621 | */ | |
3c330279 | 622 | child = add_child(TWL_MODULE_RTC, "twl_rtc", NULL, 0, |
9e178620 | 623 | true, irq_base + RTC_INTR_OFFSET, 0); |
5725d66b DB |
624 | if (IS_ERR(child)) |
625 | return PTR_ERR(child); | |
a603a7fa DB |
626 | } |
627 | ||
afc45898 | 628 | if (IS_ENABLED(CONFIG_PWM_TWL)) { |
3c330279 | 629 | child = add_child(TWL_MODULE_PWM, "twl-pwm", NULL, 0, |
afc45898 PU |
630 | false, 0, 0); |
631 | if (IS_ERR(child)) | |
632 | return PTR_ERR(child); | |
633 | } | |
634 | ||
635 | if (IS_ENABLED(CONFIG_PWM_TWL_LED)) { | |
3c330279 | 636 | child = add_child(TWL_MODULE_LED, "twl-pwmled", NULL, 0, |
48a364b7 TR |
637 | false, 0, 0); |
638 | if (IS_ERR(child)) | |
639 | return PTR_ERR(child); | |
640 | } | |
641 | ||
f78959cf TR |
642 | if (IS_ENABLED(CONFIG_TWL4030_USB) && pdata->usb && |
643 | twl_class_is_4030()) { | |
f8ebdff0 RQ |
644 | |
645 | static struct regulator_consumer_supply usb1v5 = { | |
646 | .supply = "usb1v5", | |
647 | }; | |
648 | static struct regulator_consumer_supply usb1v8 = { | |
649 | .supply = "usb1v8", | |
650 | }; | |
ab37813f N |
651 | static struct regulator_consumer_supply usb3v1[] = { |
652 | { .supply = "usb3v1" }, | |
653 | { .supply = "bci3v1" }, | |
f8ebdff0 RQ |
654 | }; |
655 | ||
656 | /* First add the regulators so that they can be used by transceiver */ | |
f78959cf | 657 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { |
f8ebdff0 RQ |
658 | /* this is a template that gets copied */ |
659 | struct regulator_init_data usb_fixed = { | |
660 | .constraints.valid_modes_mask = | |
661 | REGULATOR_MODE_NORMAL | |
662 | | REGULATOR_MODE_STANDBY, | |
663 | .constraints.valid_ops_mask = | |
664 | REGULATOR_CHANGE_MODE | |
665 | | REGULATOR_CHANGE_STATUS, | |
666 | }; | |
667 | ||
668 | child = add_regulator_linked(TWL4030_REG_VUSB1V5, | |
521d8ec3 GG |
669 | &usb_fixed, &usb1v5, 1, |
670 | features); | |
f8ebdff0 RQ |
671 | if (IS_ERR(child)) |
672 | return PTR_ERR(child); | |
673 | ||
674 | child = add_regulator_linked(TWL4030_REG_VUSB1V8, | |
521d8ec3 GG |
675 | &usb_fixed, &usb1v8, 1, |
676 | features); | |
f8ebdff0 RQ |
677 | if (IS_ERR(child)) |
678 | return PTR_ERR(child); | |
679 | ||
680 | child = add_regulator_linked(TWL4030_REG_VUSB3V1, | |
ab37813f | 681 | &usb_fixed, usb3v1, 2, |
521d8ec3 | 682 | features); |
f8ebdff0 RQ |
683 | if (IS_ERR(child)) |
684 | return PTR_ERR(child); | |
685 | ||
686 | } | |
687 | ||
3c330279 | 688 | child = add_child(TWL_MODULE_USB, "twl4030_usb", |
2d86ad37 | 689 | pdata->usb, sizeof(*pdata->usb), true, |
5725d66b | 690 | /* irq0 = USB_PRES, irq1 = USB */ |
9e178620 FB |
691 | irq_base + USB_PRES_INTR_OFFSET, |
692 | irq_base + USB_INTR_OFFSET); | |
f8ebdff0 | 693 | |
5725d66b DB |
694 | if (IS_ERR(child)) |
695 | return PTR_ERR(child); | |
dad759ff DB |
696 | |
697 | /* we need to connect regulators to this transceiver */ | |
f78959cf | 698 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) { |
1b65fa84 MB |
699 | usb1v5.dev_name = dev_name(child); |
700 | usb1v8.dev_name = dev_name(child); | |
ab37813f | 701 | usb3v1[0].dev_name = dev_name(child); |
f8ebdff0 | 702 | } |
dad759ff | 703 | } |
f78959cf TR |
704 | if (IS_ENABLED(CONFIG_TWL6030_USB) && pdata->usb && |
705 | twl_class_is_6030()) { | |
e70357e3 | 706 | |
521d8ec3 GG |
707 | static struct regulator_consumer_supply usb3v3; |
708 | int regulator; | |
e70357e3 | 709 | |
f78959cf | 710 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030)) { |
e70357e3 HH |
711 | /* this is a template that gets copied */ |
712 | struct regulator_init_data usb_fixed = { | |
713 | .constraints.valid_modes_mask = | |
714 | REGULATOR_MODE_NORMAL | |
715 | | REGULATOR_MODE_STANDBY, | |
716 | .constraints.valid_ops_mask = | |
717 | REGULATOR_CHANGE_MODE | |
718 | | REGULATOR_CHANGE_STATUS, | |
719 | }; | |
720 | ||
89ce43fb | 721 | if (features & TWL6032_SUBCLASS) { |
521d8ec3 | 722 | usb3v3.supply = "ldousb"; |
89ce43fb | 723 | regulator = TWL6032_REG_LDOUSB; |
521d8ec3 GG |
724 | } else { |
725 | usb3v3.supply = "vusb"; | |
726 | regulator = TWL6030_REG_VUSB; | |
727 | } | |
728 | child = add_regulator_linked(regulator, &usb_fixed, | |
729 | &usb3v3, 1, | |
730 | features); | |
e70357e3 HH |
731 | if (IS_ERR(child)) |
732 | return PTR_ERR(child); | |
733 | } | |
734 | ||
521d8ec3 GG |
735 | pdata->usb->features = features; |
736 | ||
3c330279 | 737 | child = add_child(TWL_MODULE_USB, "twl6030_usb", |
2d86ad37 | 738 | pdata->usb, sizeof(*pdata->usb), true, |
e70357e3 | 739 | /* irq1 = VBUS_PRES, irq0 = USB ID */ |
9e178620 FB |
740 | irq_base + USBOTG_INTR_OFFSET, |
741 | irq_base + USB_PRES_INTR_OFFSET); | |
e70357e3 HH |
742 | |
743 | if (IS_ERR(child)) | |
744 | return PTR_ERR(child); | |
745 | /* we need to connect regulators to this transceiver */ | |
f78959cf | 746 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && child) |
1b65fa84 | 747 | usb3v3.dev_name = dev_name(child); |
f78959cf TR |
748 | } else if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && |
749 | twl_class_is_6030()) { | |
89ce43fb GG |
750 | if (features & TWL6032_SUBCLASS) |
751 | child = add_regulator(TWL6032_REG_LDOUSB, | |
521d8ec3 GG |
752 | pdata->ldousb, features); |
753 | else | |
754 | child = add_regulator(TWL6030_REG_VUSB, | |
755 | pdata->vusb, features); | |
e70357e3 | 756 | |
521d8ec3 GG |
757 | if (IS_ERR(child)) |
758 | return PTR_ERR(child); | |
e70357e3 | 759 | } |
dad759ff | 760 | |
f78959cf | 761 | if (IS_ENABLED(CONFIG_TWL4030_WATCHDOG) && twl_class_is_4030()) { |
3c330279 PU |
762 | child = add_child(TWL_MODULE_PM_RECEIVER, "twl4030_wdt", NULL, |
763 | 0, false, 0, 0); | |
80e45b1e | 764 | if (IS_ERR(child)) |
9c3664dd FB |
765 | return PTR_ERR(child); |
766 | } | |
767 | ||
f78959cf | 768 | if (IS_ENABLED(CONFIG_INPUT_TWL4030_PWRBUTTON) && twl_class_is_4030()) { |
3c330279 PU |
769 | child = add_child(TWL_MODULE_PM_MASTER, "twl4030_pwrbutton", |
770 | NULL, 0, true, irq_base + 8 + 0, 0); | |
9c3664dd | 771 | if (IS_ERR(child)) |
80e45b1e TK |
772 | return PTR_ERR(child); |
773 | } | |
774 | ||
f78959cf TR |
775 | if (IS_ENABLED(CONFIG_MFD_TWL4030_AUDIO) && pdata->audio && |
776 | twl_class_is_4030()) { | |
3c330279 | 777 | child = add_child(TWL4030_MODULE_AUDIO_VOICE, "twl4030-audio", |
4ae6df5e | 778 | pdata->audio, sizeof(*pdata->audio), |
d62abe56 MLC |
779 | false, 0, 0); |
780 | if (IS_ERR(child)) | |
781 | return PTR_ERR(child); | |
782 | } | |
783 | ||
9da66539 | 784 | /* twl4030 regulators */ |
f78959cf | 785 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_4030()) { |
521d8ec3 GG |
786 | child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1, |
787 | features); | |
dad759ff DB |
788 | if (IS_ERR(child)) |
789 | return PTR_ERR(child); | |
ab4abe05 | 790 | |
521d8ec3 GG |
791 | child = add_regulator(TWL4030_REG_VIO, pdata->vio, |
792 | features); | |
ab4abe05 JKS |
793 | if (IS_ERR(child)) |
794 | return PTR_ERR(child); | |
795 | ||
521d8ec3 GG |
796 | child = add_regulator(TWL4030_REG_VDD1, pdata->vdd1, |
797 | features); | |
ab4abe05 JKS |
798 | if (IS_ERR(child)) |
799 | return PTR_ERR(child); | |
800 | ||
521d8ec3 GG |
801 | child = add_regulator(TWL4030_REG_VDD2, pdata->vdd2, |
802 | features); | |
ab4abe05 JKS |
803 | if (IS_ERR(child)) |
804 | return PTR_ERR(child); | |
dad759ff | 805 | |
521d8ec3 GG |
806 | child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1, |
807 | features); | |
dad759ff DB |
808 | if (IS_ERR(child)) |
809 | return PTR_ERR(child); | |
810 | ||
521d8ec3 GG |
811 | child = add_regulator(TWL4030_REG_VDAC, pdata->vdac, |
812 | features); | |
dad759ff DB |
813 | if (IS_ERR(child)) |
814 | return PTR_ERR(child); | |
815 | ||
816 | child = add_regulator((features & TWL4030_VAUX2) | |
817 | ? TWL4030_REG_VAUX2_4030 | |
818 | : TWL4030_REG_VAUX2, | |
521d8ec3 | 819 | pdata->vaux2, features); |
dad759ff DB |
820 | if (IS_ERR(child)) |
821 | return PTR_ERR(child); | |
ab4abe05 | 822 | |
521d8ec3 GG |
823 | child = add_regulator(TWL4030_REG_VINTANA1, pdata->vintana1, |
824 | features); | |
ab4abe05 JKS |
825 | if (IS_ERR(child)) |
826 | return PTR_ERR(child); | |
827 | ||
521d8ec3 GG |
828 | child = add_regulator(TWL4030_REG_VINTANA2, pdata->vintana2, |
829 | features); | |
ab4abe05 JKS |
830 | if (IS_ERR(child)) |
831 | return PTR_ERR(child); | |
832 | ||
521d8ec3 GG |
833 | child = add_regulator(TWL4030_REG_VINTDIG, pdata->vintdig, |
834 | features); | |
ab4abe05 JKS |
835 | if (IS_ERR(child)) |
836 | return PTR_ERR(child); | |
dad759ff DB |
837 | } |
838 | ||
dad759ff | 839 | /* maybe add LDOs that are omitted on cost-reduced parts */ |
f78959cf | 840 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && !(features & TPS_SUBSET) |
9da66539 | 841 | && twl_class_is_4030()) { |
521d8ec3 GG |
842 | child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2, |
843 | features); | |
dad759ff DB |
844 | if (IS_ERR(child)) |
845 | return PTR_ERR(child); | |
dad759ff | 846 | |
521d8ec3 GG |
847 | child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2, |
848 | features); | |
dad759ff DB |
849 | if (IS_ERR(child)) |
850 | return PTR_ERR(child); | |
851 | ||
521d8ec3 GG |
852 | child = add_regulator(TWL4030_REG_VSIM, pdata->vsim, |
853 | features); | |
dad759ff DB |
854 | if (IS_ERR(child)) |
855 | return PTR_ERR(child); | |
856 | ||
521d8ec3 GG |
857 | child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1, |
858 | features); | |
dad759ff DB |
859 | if (IS_ERR(child)) |
860 | return PTR_ERR(child); | |
861 | ||
521d8ec3 GG |
862 | child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3, |
863 | features); | |
dad759ff DB |
864 | if (IS_ERR(child)) |
865 | return PTR_ERR(child); | |
866 | ||
521d8ec3 GG |
867 | child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4, |
868 | features); | |
dad759ff DB |
869 | if (IS_ERR(child)) |
870 | return PTR_ERR(child); | |
a603a7fa DB |
871 | } |
872 | ||
9da66539 | 873 | /* twl6030 regulators */ |
f78959cf | 874 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && |
89ce43fb | 875 | !(features & TWL6032_SUBCLASS)) { |
34a38440 TK |
876 | child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1, |
877 | features); | |
878 | if (IS_ERR(child)) | |
879 | return PTR_ERR(child); | |
880 | ||
881 | child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2, | |
882 | features); | |
883 | if (IS_ERR(child)) | |
884 | return PTR_ERR(child); | |
885 | ||
886 | child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3, | |
887 | features); | |
888 | if (IS_ERR(child)) | |
889 | return PTR_ERR(child); | |
890 | ||
46eda3e9 PU |
891 | child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8, |
892 | features); | |
893 | if (IS_ERR(child)) | |
894 | return PTR_ERR(child); | |
895 | ||
896 | child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1, | |
897 | features); | |
898 | if (IS_ERR(child)) | |
899 | return PTR_ERR(child); | |
900 | ||
521d8ec3 GG |
901 | child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc, |
902 | features); | |
903 | if (IS_ERR(child)) | |
904 | return PTR_ERR(child); | |
905 | ||
906 | child = add_regulator(TWL6030_REG_VPP, pdata->vpp, | |
907 | features); | |
908 | if (IS_ERR(child)) | |
909 | return PTR_ERR(child); | |
910 | ||
911 | child = add_regulator(TWL6030_REG_VUSIM, pdata->vusim, | |
912 | features); | |
913 | if (IS_ERR(child)) | |
914 | return PTR_ERR(child); | |
915 | ||
916 | child = add_regulator(TWL6030_REG_VCXIO, pdata->vcxio, | |
917 | features); | |
918 | if (IS_ERR(child)) | |
919 | return PTR_ERR(child); | |
920 | ||
921 | child = add_regulator(TWL6030_REG_VDAC, pdata->vdac, | |
922 | features); | |
923 | if (IS_ERR(child)) | |
924 | return PTR_ERR(child); | |
925 | ||
926 | child = add_regulator(TWL6030_REG_VAUX1_6030, pdata->vaux1, | |
927 | features); | |
928 | if (IS_ERR(child)) | |
929 | return PTR_ERR(child); | |
930 | ||
931 | child = add_regulator(TWL6030_REG_VAUX2_6030, pdata->vaux2, | |
932 | features); | |
933 | if (IS_ERR(child)) | |
934 | return PTR_ERR(child); | |
935 | ||
936 | child = add_regulator(TWL6030_REG_VAUX3_6030, pdata->vaux3, | |
937 | features); | |
938 | if (IS_ERR(child)) | |
939 | return PTR_ERR(child); | |
940 | ||
941 | child = add_regulator(TWL6030_REG_CLK32KG, pdata->clk32kg, | |
942 | features); | |
943 | if (IS_ERR(child)) | |
944 | return PTR_ERR(child); | |
945 | } | |
946 | ||
947 | /* 6030 and 6025 share this regulator */ | |
f78959cf | 948 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030()) { |
521d8ec3 GG |
949 | child = add_regulator(TWL6030_REG_VANA, pdata->vana, |
950 | features); | |
951 | if (IS_ERR(child)) | |
952 | return PTR_ERR(child); | |
953 | } | |
954 | ||
89ce43fb | 955 | /* twl6032 regulators */ |
f78959cf | 956 | if (IS_ENABLED(CONFIG_REGULATOR_TWL4030) && twl_class_is_6030() && |
89ce43fb GG |
957 | (features & TWL6032_SUBCLASS)) { |
958 | child = add_regulator(TWL6032_REG_LDO5, pdata->ldo5, | |
521d8ec3 | 959 | features); |
9da66539 RN |
960 | if (IS_ERR(child)) |
961 | return PTR_ERR(child); | |
962 | ||
89ce43fb | 963 | child = add_regulator(TWL6032_REG_LDO1, pdata->ldo1, |
521d8ec3 | 964 | features); |
9da66539 RN |
965 | if (IS_ERR(child)) |
966 | return PTR_ERR(child); | |
967 | ||
89ce43fb | 968 | child = add_regulator(TWL6032_REG_LDO7, pdata->ldo7, |
521d8ec3 | 969 | features); |
9da66539 RN |
970 | if (IS_ERR(child)) |
971 | return PTR_ERR(child); | |
972 | ||
89ce43fb | 973 | child = add_regulator(TWL6032_REG_LDO6, pdata->ldo6, |
521d8ec3 | 974 | features); |
9da66539 RN |
975 | if (IS_ERR(child)) |
976 | return PTR_ERR(child); | |
977 | ||
89ce43fb | 978 | child = add_regulator(TWL6032_REG_LDOLN, pdata->ldoln, |
521d8ec3 | 979 | features); |
9da66539 RN |
980 | if (IS_ERR(child)) |
981 | return PTR_ERR(child); | |
982 | ||
89ce43fb | 983 | child = add_regulator(TWL6032_REG_LDO2, pdata->ldo2, |
521d8ec3 | 984 | features); |
9da66539 RN |
985 | if (IS_ERR(child)) |
986 | return PTR_ERR(child); | |
987 | ||
89ce43fb | 988 | child = add_regulator(TWL6032_REG_LDO4, pdata->ldo4, |
521d8ec3 | 989 | features); |
9da66539 RN |
990 | if (IS_ERR(child)) |
991 | return PTR_ERR(child); | |
992 | ||
89ce43fb | 993 | child = add_regulator(TWL6032_REG_LDO3, pdata->ldo3, |
521d8ec3 | 994 | features); |
9da66539 RN |
995 | if (IS_ERR(child)) |
996 | return PTR_ERR(child); | |
997 | ||
89ce43fb | 998 | child = add_regulator(TWL6032_REG_SMPS3, pdata->smps3, |
521d8ec3 | 999 | features); |
9da66539 RN |
1000 | if (IS_ERR(child)) |
1001 | return PTR_ERR(child); | |
8e6de4a3 | 1002 | |
89ce43fb | 1003 | child = add_regulator(TWL6032_REG_SMPS4, pdata->smps4, |
521d8ec3 | 1004 | features); |
8e6de4a3 B |
1005 | if (IS_ERR(child)) |
1006 | return PTR_ERR(child); | |
521d8ec3 | 1007 | |
89ce43fb | 1008 | child = add_regulator(TWL6032_REG_VIO, pdata->vio6025, |
521d8ec3 GG |
1009 | features); |
1010 | if (IS_ERR(child)) | |
1011 | return PTR_ERR(child); | |
1012 | ||
9da66539 RN |
1013 | } |
1014 | ||
f78959cf | 1015 | if (IS_ENABLED(CONFIG_CHARGER_TWL4030) && pdata->bci && |
11c39c4b | 1016 | !(features & (TPS_SUBSET | TWL5031))) { |
3c330279 | 1017 | child = add_child(TWL_MODULE_MAIN_CHARGE, "twl4030_bci", |
11c39c4b GI |
1018 | pdata->bci, sizeof(*pdata->bci), false, |
1019 | /* irq0 = CHG_PRES, irq1 = BCI */ | |
9e178620 FB |
1020 | irq_base + BCI_PRES_INTR_OFFSET, |
1021 | irq_base + BCI_INTR_OFFSET); | |
11c39c4b GI |
1022 | if (IS_ERR(child)) |
1023 | return PTR_ERR(child); | |
1024 | } | |
1025 | ||
637d6895 FV |
1026 | if (IS_ENABLED(CONFIG_TWL4030_POWER) && pdata->power) { |
1027 | child = add_child(TWL_MODULE_PM_MASTER, "twl4030_power", | |
1028 | pdata->power, sizeof(*pdata->power), false, | |
1029 | 0, 0); | |
1030 | if (IS_ERR(child)) | |
1031 | return PTR_ERR(child); | |
1032 | } | |
1033 | ||
5725d66b | 1034 | return 0; |
a603a7fa DB |
1035 | } |
1036 | ||
1037 | /*----------------------------------------------------------------------*/ | |
1038 | ||
1039 | /* | |
1040 | * These three functions initialize the on-chip clock framework, | |
1041 | * letting it generate the right frequencies for USB, MADC, and | |
1042 | * other purposes. | |
1043 | */ | |
1044 | static inline int __init protect_pm_master(void) | |
1045 | { | |
1046 | int e = 0; | |
1047 | ||
d640e757 PU |
1048 | e = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, |
1049 | TWL4030_PM_MASTER_PROTECT_KEY); | |
a603a7fa DB |
1050 | return e; |
1051 | } | |
1052 | ||
1053 | static inline int __init unprotect_pm_master(void) | |
1054 | { | |
1055 | int e = 0; | |
1056 | ||
d640e757 PU |
1057 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1, |
1058 | TWL4030_PM_MASTER_PROTECT_KEY); | |
1059 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG2, | |
1060 | TWL4030_PM_MASTER_PROTECT_KEY); | |
49e6f87e | 1061 | |
a603a7fa DB |
1062 | return e; |
1063 | } | |
1064 | ||
38a68496 IK |
1065 | static void clocks_init(struct device *dev, |
1066 | struct twl4030_clock_init_data *clock) | |
a603a7fa DB |
1067 | { |
1068 | int e = 0; | |
1069 | struct clk *osc; | |
1070 | u32 rate; | |
1071 | u8 ctrl = HFCLK_FREQ_26_MHZ; | |
1072 | ||
defa6be1 | 1073 | osc = clk_get(dev, "fck"); |
a603a7fa | 1074 | if (IS_ERR(osc)) { |
fc7b92fc | 1075 | printk(KERN_WARNING "Skipping twl internal clock init and " |
a603a7fa DB |
1076 | "using bootloader value (unknown osc rate)\n"); |
1077 | return; | |
1078 | } | |
1079 | ||
1080 | rate = clk_get_rate(osc); | |
1081 | clk_put(osc); | |
1082 | ||
1083 | switch (rate) { | |
1084 | case 19200000: | |
1085 | ctrl = HFCLK_FREQ_19p2_MHZ; | |
1086 | break; | |
1087 | case 26000000: | |
1088 | ctrl = HFCLK_FREQ_26_MHZ; | |
1089 | break; | |
1090 | case 38400000: | |
1091 | ctrl = HFCLK_FREQ_38p4_MHZ; | |
1092 | break; | |
1093 | } | |
1094 | ||
1095 | ctrl |= HIGH_PERF_SQ; | |
38a68496 IK |
1096 | if (clock && clock->ck32k_lowpwr_enable) |
1097 | ctrl |= CK32K_LOWPWR_EN; | |
1098 | ||
a603a7fa DB |
1099 | e |= unprotect_pm_master(); |
1100 | /* effect->MADC+USB ck en */ | |
fc7b92fc | 1101 | e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); |
a603a7fa DB |
1102 | e |= protect_pm_master(); |
1103 | ||
1104 | if (e < 0) | |
1105 | pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e); | |
1106 | } | |
1107 | ||
1108 | /*----------------------------------------------------------------------*/ | |
1109 | ||
a603a7fa | 1110 | |
fc7b92fc | 1111 | static int twl_remove(struct i2c_client *client) |
a603a7fa | 1112 | { |
364cedb2 | 1113 | unsigned i, num_slaves; |
a30d46c0 | 1114 | int status; |
a603a7fa | 1115 | |
6dd810b5 | 1116 | if (twl_class_is_4030()) |
e8deb28c | 1117 | status = twl4030_exit_irq(); |
6dd810b5 | 1118 | else |
e8deb28c B |
1119 | status = twl6030_exit_irq(); |
1120 | ||
a30d46c0 DB |
1121 | if (status < 0) |
1122 | return status; | |
a603a7fa | 1123 | |
6dd810b5 | 1124 | num_slaves = twl_get_num_slaves(); |
364cedb2 | 1125 | for (i = 0; i < num_slaves; i++) { |
80a97ccd | 1126 | struct twl_client *twl = &twl_priv->twl_modules[i]; |
a603a7fa DB |
1127 | |
1128 | if (twl->client && twl->client != client) | |
1129 | i2c_unregister_device(twl->client); | |
80a97ccd | 1130 | twl->client = NULL; |
a603a7fa | 1131 | } |
80a97ccd | 1132 | twl_priv->ready = false; |
a603a7fa DB |
1133 | return 0; |
1134 | } | |
1135 | ||
ec1a07b3 | 1136 | /* NOTE: This driver only handles a single twl4030/tps659x0 chip */ |
f791be49 | 1137 | static int |
fc7b92fc | 1138 | twl_probe(struct i2c_client *client, const struct i2c_device_id *id) |
a603a7fa | 1139 | { |
334a41ce | 1140 | struct twl4030_platform_data *pdata = dev_get_platdata(&client->dev); |
aeb5032b | 1141 | struct device_node *node = client->dev.of_node; |
defa6be1 | 1142 | struct platform_device *pdev; |
2473d25a | 1143 | struct regmap_config *twl_regmap_config; |
ec1a07b3 BC |
1144 | int irq_base = 0; |
1145 | int status; | |
364cedb2 | 1146 | unsigned i, num_slaves; |
aeb5032b | 1147 | |
7e2e6c57 PU |
1148 | if (!node && !pdata) { |
1149 | dev_err(&client->dev, "no platform data\n"); | |
1150 | return -EINVAL; | |
1151 | } | |
1152 | ||
80a97ccd | 1153 | if (twl_priv) { |
6382a061 PU |
1154 | dev_dbg(&client->dev, "only one instance of %s allowed\n", |
1155 | DRIVER_NAME); | |
1156 | return -EBUSY; | |
1157 | } | |
1158 | ||
defa6be1 TL |
1159 | pdev = platform_device_alloc(DRIVER_NAME, -1); |
1160 | if (!pdev) { | |
1161 | dev_err(&client->dev, "can't alloc pdev\n"); | |
1162 | return -ENOMEM; | |
1163 | } | |
1164 | ||
1165 | status = platform_device_add(pdev); | |
1166 | if (status) { | |
1167 | platform_device_put(pdev); | |
1168 | return status; | |
1169 | } | |
1170 | ||
a603a7fa DB |
1171 | if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { |
1172 | dev_dbg(&client->dev, "can't talk I2C?\n"); | |
defa6be1 TL |
1173 | status = -EIO; |
1174 | goto free; | |
a603a7fa DB |
1175 | } |
1176 | ||
80a97ccd PU |
1177 | twl_priv = devm_kzalloc(&client->dev, sizeof(struct twl_private), |
1178 | GFP_KERNEL); | |
1179 | if (!twl_priv) { | |
1180 | status = -ENOMEM; | |
1181 | goto free; | |
1182 | } | |
1183 | ||
364cedb2 | 1184 | if ((id->driver_data) & TWL6030_CLASS) { |
80a97ccd PU |
1185 | twl_priv->twl_id = TWL6030_CLASS_ID; |
1186 | twl_priv->twl_map = &twl6030_map[0]; | |
89ce43fb GG |
1187 | /* The charger base address is different in twl6032 */ |
1188 | if ((id->driver_data) & TWL6032_SUBCLASS) | |
80a97ccd | 1189 | twl_priv->twl_map[TWL_MODULE_MAIN_CHARGE].base = |
89ce43fb | 1190 | TWL6032_BASEADD_CHARGER; |
2473d25a | 1191 | twl_regmap_config = twl6030_regmap_config; |
364cedb2 | 1192 | } else { |
80a97ccd PU |
1193 | twl_priv->twl_id = TWL4030_CLASS_ID; |
1194 | twl_priv->twl_map = &twl4030_map[0]; | |
2473d25a | 1195 | twl_regmap_config = twl4030_regmap_config; |
6dd810b5 PU |
1196 | } |
1197 | ||
1198 | num_slaves = twl_get_num_slaves(); | |
80a97ccd PU |
1199 | twl_priv->twl_modules = devm_kzalloc(&client->dev, |
1200 | sizeof(struct twl_client) * num_slaves, | |
1201 | GFP_KERNEL); | |
1202 | if (!twl_priv->twl_modules) { | |
6dd810b5 PU |
1203 | status = -ENOMEM; |
1204 | goto free; | |
364cedb2 PU |
1205 | } |
1206 | ||
1207 | for (i = 0; i < num_slaves; i++) { | |
80a97ccd | 1208 | struct twl_client *twl = &twl_priv->twl_modules[i]; |
a603a7fa | 1209 | |
ec1a07b3 | 1210 | if (i == 0) { |
a603a7fa | 1211 | twl->client = client; |
ec1a07b3 | 1212 | } else { |
a603a7fa | 1213 | twl->client = i2c_new_dummy(client->adapter, |
2473d25a | 1214 | client->addr + i); |
a603a7fa | 1215 | if (!twl->client) { |
a8643430 | 1216 | dev_err(&client->dev, |
a603a7fa DB |
1217 | "can't attach client %d\n", i); |
1218 | status = -ENOMEM; | |
1219 | goto fail; | |
1220 | } | |
a603a7fa | 1221 | } |
2473d25a PU |
1222 | |
1223 | twl->regmap = devm_regmap_init_i2c(twl->client, | |
1224 | &twl_regmap_config[i]); | |
1225 | if (IS_ERR(twl->regmap)) { | |
1226 | status = PTR_ERR(twl->regmap); | |
1227 | dev_err(&client->dev, | |
1228 | "Failed to allocate regmap %d, err: %d\n", i, | |
1229 | status); | |
1230 | goto fail; | |
1231 | } | |
a603a7fa | 1232 | } |
ec1a07b3 | 1233 | |
80a97ccd | 1234 | twl_priv->ready = true; |
a603a7fa DB |
1235 | |
1236 | /* setup clock framework */ | |
7e2e6c57 | 1237 | clocks_init(&pdev->dev, pdata ? pdata->clock : NULL); |
a603a7fa | 1238 | |
ca972d13 | 1239 | /* read TWL IDCODE Register */ |
80a97ccd | 1240 | if (twl_class_is_4030()) { |
ec1a07b3 BC |
1241 | status = twl_read_idcode_register(); |
1242 | WARN(status < 0, "Error: reading twl_idcode register value\n"); | |
ca972d13 L |
1243 | } |
1244 | ||
a603a7fa | 1245 | /* Maybe init the T2 Interrupt subsystem */ |
9e178620 | 1246 | if (client->irq) { |
e8deb28c B |
1247 | if (twl_class_is_4030()) { |
1248 | twl4030_init_chip_irq(id->name); | |
78518ffa | 1249 | irq_base = twl4030_init_irq(&client->dev, client->irq); |
e8deb28c | 1250 | } else { |
78518ffa | 1251 | irq_base = twl6030_init_irq(&client->dev, client->irq); |
e8deb28c B |
1252 | } |
1253 | ||
78518ffa BC |
1254 | if (irq_base < 0) { |
1255 | status = irq_base; | |
a30d46c0 | 1256 | goto fail; |
78518ffa | 1257 | } |
a603a7fa DB |
1258 | } |
1259 | ||
ec1a07b3 BC |
1260 | /* |
1261 | * Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface. | |
a29aaf55 MS |
1262 | * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0, |
1263 | * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0. | |
1264 | */ | |
a29aaf55 | 1265 | if (twl_class_is_4030()) { |
ec1a07b3 BC |
1266 | u8 temp; |
1267 | ||
a29aaf55 MS |
1268 | twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1); |
1269 | temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \ | |
ec1a07b3 | 1270 | I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU); |
a29aaf55 MS |
1271 | twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1); |
1272 | } | |
1273 | ||
aeb5032b BC |
1274 | if (node) |
1275 | status = of_platform_populate(node, NULL, NULL, &client->dev); | |
e581238f | 1276 | else |
9e178620 | 1277 | status = add_children(pdata, irq_base, id->driver_data); |
aeb5032b | 1278 | |
a603a7fa DB |
1279 | fail: |
1280 | if (status < 0) | |
fc7b92fc | 1281 | twl_remove(client); |
defa6be1 TL |
1282 | free: |
1283 | if (status < 0) | |
1284 | platform_device_unregister(pdev); | |
ec1a07b3 | 1285 | |
a603a7fa DB |
1286 | return status; |
1287 | } | |
1288 | ||
fc7b92fc | 1289 | static const struct i2c_device_id twl_ids[] = { |
dad759ff DB |
1290 | { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ |
1291 | { "twl5030", 0 }, /* T2 updated */ | |
1920a61e | 1292 | { "twl5031", TWL5031 }, /* TWL5030 updated */ |
dad759ff DB |
1293 | { "tps65950", 0 }, /* catalog version of twl5030 */ |
1294 | { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ | |
1295 | { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ | |
59dead5a OD |
1296 | { "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED |
1297 | and vibrator. Charger in USB module*/ | |
e8deb28c | 1298 | { "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */ |
89ce43fb | 1299 | { "twl6032", TWL6030_CLASS | TWL6032_SUBCLASS }, /* "Phoenix lite" */ |
a603a7fa DB |
1300 | { /* end of list */ }, |
1301 | }; | |
fc7b92fc | 1302 | MODULE_DEVICE_TABLE(i2c, twl_ids); |
a603a7fa DB |
1303 | |
1304 | /* One Client Driver , 4 Clients */ | |
fc7b92fc | 1305 | static struct i2c_driver twl_driver = { |
a603a7fa | 1306 | .driver.name = DRIVER_NAME, |
fc7b92fc B |
1307 | .id_table = twl_ids, |
1308 | .probe = twl_probe, | |
1309 | .remove = twl_remove, | |
a603a7fa DB |
1310 | }; |
1311 | ||
032fa16d | 1312 | module_i2c_driver(twl_driver); |
a603a7fa DB |
1313 | |
1314 | MODULE_AUTHOR("Texas Instruments, Inc."); | |
fc7b92fc | 1315 | MODULE_DESCRIPTION("I2C Core interface for TWL"); |
a603a7fa | 1316 | MODULE_LICENSE("GPL"); |