Root/
1 | /* |
2 | * Device access for Dialog DA9052 PMICs. |
3 | * |
4 | * Copyright(c) 2011 Dialog Semiconductor Ltd. |
5 | * |
6 | * Author: David Dajun Chen <dchen@diasemi.com> |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify it |
9 | * under the terms of the GNU General Public License as published by the |
10 | * Free Software Foundation; either version 2 of the License, or (at your |
11 | * option) any later version. |
12 | */ |
13 | |
14 | #include <linux/device.h> |
15 | #include <linux/delay.h> |
16 | #include <linux/input.h> |
17 | #include <linux/interrupt.h> |
18 | #include <linux/mfd/core.h> |
19 | #include <linux/slab.h> |
20 | #include <linux/module.h> |
21 | |
22 | #include <linux/mfd/da9052/da9052.h> |
23 | #include <linux/mfd/da9052/pdata.h> |
24 | #include <linux/mfd/da9052/reg.h> |
25 | |
26 | static bool da9052_reg_readable(struct device *dev, unsigned int reg) |
27 | { |
28 | switch (reg) { |
29 | case DA9052_PAGE0_CON_REG: |
30 | case DA9052_STATUS_A_REG: |
31 | case DA9052_STATUS_B_REG: |
32 | case DA9052_STATUS_C_REG: |
33 | case DA9052_STATUS_D_REG: |
34 | case DA9052_EVENT_A_REG: |
35 | case DA9052_EVENT_B_REG: |
36 | case DA9052_EVENT_C_REG: |
37 | case DA9052_EVENT_D_REG: |
38 | case DA9052_FAULTLOG_REG: |
39 | case DA9052_IRQ_MASK_A_REG: |
40 | case DA9052_IRQ_MASK_B_REG: |
41 | case DA9052_IRQ_MASK_C_REG: |
42 | case DA9052_IRQ_MASK_D_REG: |
43 | case DA9052_CONTROL_A_REG: |
44 | case DA9052_CONTROL_B_REG: |
45 | case DA9052_CONTROL_C_REG: |
46 | case DA9052_CONTROL_D_REG: |
47 | case DA9052_PDDIS_REG: |
48 | case DA9052_INTERFACE_REG: |
49 | case DA9052_RESET_REG: |
50 | case DA9052_GPIO_0_1_REG: |
51 | case DA9052_GPIO_2_3_REG: |
52 | case DA9052_GPIO_4_5_REG: |
53 | case DA9052_GPIO_6_7_REG: |
54 | case DA9052_GPIO_14_15_REG: |
55 | case DA9052_ID_0_1_REG: |
56 | case DA9052_ID_2_3_REG: |
57 | case DA9052_ID_4_5_REG: |
58 | case DA9052_ID_6_7_REG: |
59 | case DA9052_ID_8_9_REG: |
60 | case DA9052_ID_10_11_REG: |
61 | case DA9052_ID_12_13_REG: |
62 | case DA9052_ID_14_15_REG: |
63 | case DA9052_ID_16_17_REG: |
64 | case DA9052_ID_18_19_REG: |
65 | case DA9052_ID_20_21_REG: |
66 | case DA9052_SEQ_STATUS_REG: |
67 | case DA9052_SEQ_A_REG: |
68 | case DA9052_SEQ_B_REG: |
69 | case DA9052_SEQ_TIMER_REG: |
70 | case DA9052_BUCKA_REG: |
71 | case DA9052_BUCKB_REG: |
72 | case DA9052_BUCKCORE_REG: |
73 | case DA9052_BUCKPRO_REG: |
74 | case DA9052_BUCKMEM_REG: |
75 | case DA9052_BUCKPERI_REG: |
76 | case DA9052_LDO1_REG: |
77 | case DA9052_LDO2_REG: |
78 | case DA9052_LDO3_REG: |
79 | case DA9052_LDO4_REG: |
80 | case DA9052_LDO5_REG: |
81 | case DA9052_LDO6_REG: |
82 | case DA9052_LDO7_REG: |
83 | case DA9052_LDO8_REG: |
84 | case DA9052_LDO9_REG: |
85 | case DA9052_LDO10_REG: |
86 | case DA9052_SUPPLY_REG: |
87 | case DA9052_PULLDOWN_REG: |
88 | case DA9052_CHGBUCK_REG: |
89 | case DA9052_WAITCONT_REG: |
90 | case DA9052_ISET_REG: |
91 | case DA9052_BATCHG_REG: |
92 | case DA9052_CHG_CONT_REG: |
93 | case DA9052_INPUT_CONT_REG: |
94 | case DA9052_CHG_TIME_REG: |
95 | case DA9052_BBAT_CONT_REG: |
96 | case DA9052_BOOST_REG: |
97 | case DA9052_LED_CONT_REG: |
98 | case DA9052_LEDMIN123_REG: |
99 | case DA9052_LED1_CONF_REG: |
100 | case DA9052_LED2_CONF_REG: |
101 | case DA9052_LED3_CONF_REG: |
102 | case DA9052_LED1CONT_REG: |
103 | case DA9052_LED2CONT_REG: |
104 | case DA9052_LED3CONT_REG: |
105 | case DA9052_LED_CONT_4_REG: |
106 | case DA9052_LED_CONT_5_REG: |
107 | case DA9052_ADC_MAN_REG: |
108 | case DA9052_ADC_CONT_REG: |
109 | case DA9052_ADC_RES_L_REG: |
110 | case DA9052_ADC_RES_H_REG: |
111 | case DA9052_VDD_RES_REG: |
112 | case DA9052_VDD_MON_REG: |
113 | case DA9052_ICHG_AV_REG: |
114 | case DA9052_ICHG_THD_REG: |
115 | case DA9052_ICHG_END_REG: |
116 | case DA9052_TBAT_RES_REG: |
117 | case DA9052_TBAT_HIGHP_REG: |
118 | case DA9052_TBAT_HIGHN_REG: |
119 | case DA9052_TBAT_LOW_REG: |
120 | case DA9052_T_OFFSET_REG: |
121 | case DA9052_ADCIN4_RES_REG: |
122 | case DA9052_AUTO4_HIGH_REG: |
123 | case DA9052_AUTO4_LOW_REG: |
124 | case DA9052_ADCIN5_RES_REG: |
125 | case DA9052_AUTO5_HIGH_REG: |
126 | case DA9052_AUTO5_LOW_REG: |
127 | case DA9052_ADCIN6_RES_REG: |
128 | case DA9052_AUTO6_HIGH_REG: |
129 | case DA9052_AUTO6_LOW_REG: |
130 | case DA9052_TJUNC_RES_REG: |
131 | case DA9052_TSI_CONT_A_REG: |
132 | case DA9052_TSI_CONT_B_REG: |
133 | case DA9052_TSI_X_MSB_REG: |
134 | case DA9052_TSI_Y_MSB_REG: |
135 | case DA9052_TSI_LSB_REG: |
136 | case DA9052_TSI_Z_MSB_REG: |
137 | case DA9052_COUNT_S_REG: |
138 | case DA9052_COUNT_MI_REG: |
139 | case DA9052_COUNT_H_REG: |
140 | case DA9052_COUNT_D_REG: |
141 | case DA9052_COUNT_MO_REG: |
142 | case DA9052_COUNT_Y_REG: |
143 | case DA9052_ALARM_MI_REG: |
144 | case DA9052_ALARM_H_REG: |
145 | case DA9052_ALARM_D_REG: |
146 | case DA9052_ALARM_MO_REG: |
147 | case DA9052_ALARM_Y_REG: |
148 | case DA9052_SECOND_A_REG: |
149 | case DA9052_SECOND_B_REG: |
150 | case DA9052_SECOND_C_REG: |
151 | case DA9052_SECOND_D_REG: |
152 | case DA9052_PAGE1_CON_REG: |
153 | return true; |
154 | default: |
155 | return false; |
156 | } |
157 | } |
158 | |
159 | static bool da9052_reg_writeable(struct device *dev, unsigned int reg) |
160 | { |
161 | switch (reg) { |
162 | case DA9052_PAGE0_CON_REG: |
163 | case DA9052_EVENT_A_REG: |
164 | case DA9052_EVENT_B_REG: |
165 | case DA9052_EVENT_C_REG: |
166 | case DA9052_EVENT_D_REG: |
167 | case DA9052_IRQ_MASK_A_REG: |
168 | case DA9052_IRQ_MASK_B_REG: |
169 | case DA9052_IRQ_MASK_C_REG: |
170 | case DA9052_IRQ_MASK_D_REG: |
171 | case DA9052_CONTROL_A_REG: |
172 | case DA9052_CONTROL_B_REG: |
173 | case DA9052_CONTROL_C_REG: |
174 | case DA9052_CONTROL_D_REG: |
175 | case DA9052_PDDIS_REG: |
176 | case DA9052_RESET_REG: |
177 | case DA9052_GPIO_0_1_REG: |
178 | case DA9052_GPIO_2_3_REG: |
179 | case DA9052_GPIO_4_5_REG: |
180 | case DA9052_GPIO_6_7_REG: |
181 | case DA9052_GPIO_14_15_REG: |
182 | case DA9052_ID_0_1_REG: |
183 | case DA9052_ID_2_3_REG: |
184 | case DA9052_ID_4_5_REG: |
185 | case DA9052_ID_6_7_REG: |
186 | case DA9052_ID_8_9_REG: |
187 | case DA9052_ID_10_11_REG: |
188 | case DA9052_ID_12_13_REG: |
189 | case DA9052_ID_14_15_REG: |
190 | case DA9052_ID_16_17_REG: |
191 | case DA9052_ID_18_19_REG: |
192 | case DA9052_ID_20_21_REG: |
193 | case DA9052_SEQ_STATUS_REG: |
194 | case DA9052_SEQ_A_REG: |
195 | case DA9052_SEQ_B_REG: |
196 | case DA9052_SEQ_TIMER_REG: |
197 | case DA9052_BUCKA_REG: |
198 | case DA9052_BUCKB_REG: |
199 | case DA9052_BUCKCORE_REG: |
200 | case DA9052_BUCKPRO_REG: |
201 | case DA9052_BUCKMEM_REG: |
202 | case DA9052_BUCKPERI_REG: |
203 | case DA9052_LDO1_REG: |
204 | case DA9052_LDO2_REG: |
205 | case DA9052_LDO3_REG: |
206 | case DA9052_LDO4_REG: |
207 | case DA9052_LDO5_REG: |
208 | case DA9052_LDO6_REG: |
209 | case DA9052_LDO7_REG: |
210 | case DA9052_LDO8_REG: |
211 | case DA9052_LDO9_REG: |
212 | case DA9052_LDO10_REG: |
213 | case DA9052_SUPPLY_REG: |
214 | case DA9052_PULLDOWN_REG: |
215 | case DA9052_CHGBUCK_REG: |
216 | case DA9052_WAITCONT_REG: |
217 | case DA9052_ISET_REG: |
218 | case DA9052_BATCHG_REG: |
219 | case DA9052_CHG_CONT_REG: |
220 | case DA9052_INPUT_CONT_REG: |
221 | case DA9052_BBAT_CONT_REG: |
222 | case DA9052_BOOST_REG: |
223 | case DA9052_LED_CONT_REG: |
224 | case DA9052_LEDMIN123_REG: |
225 | case DA9052_LED1_CONF_REG: |
226 | case DA9052_LED2_CONF_REG: |
227 | case DA9052_LED3_CONF_REG: |
228 | case DA9052_LED1CONT_REG: |
229 | case DA9052_LED2CONT_REG: |
230 | case DA9052_LED3CONT_REG: |
231 | case DA9052_LED_CONT_4_REG: |
232 | case DA9052_LED_CONT_5_REG: |
233 | case DA9052_ADC_MAN_REG: |
234 | case DA9052_ADC_CONT_REG: |
235 | case DA9052_ADC_RES_L_REG: |
236 | case DA9052_ADC_RES_H_REG: |
237 | case DA9052_VDD_RES_REG: |
238 | case DA9052_VDD_MON_REG: |
239 | case DA9052_ICHG_THD_REG: |
240 | case DA9052_ICHG_END_REG: |
241 | case DA9052_TBAT_HIGHP_REG: |
242 | case DA9052_TBAT_HIGHN_REG: |
243 | case DA9052_TBAT_LOW_REG: |
244 | case DA9052_T_OFFSET_REG: |
245 | case DA9052_AUTO4_HIGH_REG: |
246 | case DA9052_AUTO4_LOW_REG: |
247 | case DA9052_AUTO5_HIGH_REG: |
248 | case DA9052_AUTO5_LOW_REG: |
249 | case DA9052_AUTO6_HIGH_REG: |
250 | case DA9052_AUTO6_LOW_REG: |
251 | case DA9052_TSI_CONT_A_REG: |
252 | case DA9052_TSI_CONT_B_REG: |
253 | case DA9052_COUNT_S_REG: |
254 | case DA9052_COUNT_MI_REG: |
255 | case DA9052_COUNT_H_REG: |
256 | case DA9052_COUNT_D_REG: |
257 | case DA9052_COUNT_MO_REG: |
258 | case DA9052_COUNT_Y_REG: |
259 | case DA9052_ALARM_MI_REG: |
260 | case DA9052_ALARM_H_REG: |
261 | case DA9052_ALARM_D_REG: |
262 | case DA9052_ALARM_MO_REG: |
263 | case DA9052_ALARM_Y_REG: |
264 | case DA9052_PAGE1_CON_REG: |
265 | return true; |
266 | default: |
267 | return false; |
268 | } |
269 | } |
270 | |
271 | static bool da9052_reg_volatile(struct device *dev, unsigned int reg) |
272 | { |
273 | switch (reg) { |
274 | case DA9052_STATUS_A_REG: |
275 | case DA9052_STATUS_B_REG: |
276 | case DA9052_STATUS_C_REG: |
277 | case DA9052_STATUS_D_REG: |
278 | case DA9052_EVENT_A_REG: |
279 | case DA9052_EVENT_B_REG: |
280 | case DA9052_EVENT_C_REG: |
281 | case DA9052_EVENT_D_REG: |
282 | case DA9052_FAULTLOG_REG: |
283 | case DA9052_CHG_TIME_REG: |
284 | case DA9052_ADC_RES_L_REG: |
285 | case DA9052_ADC_RES_H_REG: |
286 | case DA9052_VDD_RES_REG: |
287 | case DA9052_ICHG_AV_REG: |
288 | case DA9052_TBAT_RES_REG: |
289 | case DA9052_ADCIN4_RES_REG: |
290 | case DA9052_ADCIN5_RES_REG: |
291 | case DA9052_ADCIN6_RES_REG: |
292 | case DA9052_TJUNC_RES_REG: |
293 | case DA9052_TSI_X_MSB_REG: |
294 | case DA9052_TSI_Y_MSB_REG: |
295 | case DA9052_TSI_LSB_REG: |
296 | case DA9052_TSI_Z_MSB_REG: |
297 | case DA9052_COUNT_S_REG: |
298 | case DA9052_COUNT_MI_REG: |
299 | case DA9052_COUNT_H_REG: |
300 | case DA9052_COUNT_D_REG: |
301 | case DA9052_COUNT_MO_REG: |
302 | case DA9052_COUNT_Y_REG: |
303 | case DA9052_ALARM_MI_REG: |
304 | return true; |
305 | default: |
306 | return false; |
307 | } |
308 | } |
309 | |
310 | /* |
311 | * TBAT look-up table is computed from the R90 reg (8 bit register) |
312 | * reading as below. The battery temperature is in milliCentigrade |
313 | * TBAT = (1/(t1+1/298) - 273) * 1000 mC |
314 | * where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255)) |
315 | * Default values are R25 = 10e3, B = 3380, ITBAT = 50e-6 |
316 | * Example: |
317 | * R25=10E3, B=3380, ITBAT=50e-6, ADCVAL=62d calculates |
318 | * TBAT = 20015 mili degrees Centrigrade |
319 | * |
320 | */ |
321 | static const int32_t tbat_lookup[255] = { |
322 | 183258, 144221, 124334, 111336, 101826, 94397, 88343, 83257, |
323 | 78889, 75071, 71688, 68656, 65914, 63414, 61120, 59001, |
324 | 570366, 55204, 53490, 51881, 50364, 48931, 47574, 46285, |
325 | 45059, 43889, 42772, 41703, 40678, 39694, 38748, 37838, |
326 | 36961, 36115, 35297, 34507, 33743, 33002, 32284, 31588, |
327 | 30911, 30254, 29615, 28994, 28389, 27799, 27225, 26664, |
328 | 26117, 25584, 25062, 24553, 24054, 23567, 23091, 22624, |
329 | 22167, 21719, 21281, 20851, 20429, 20015, 19610, 19211, |
330 | 18820, 18436, 18058, 17688, 17323, 16965, 16612, 16266, |
331 | 15925, 15589, 15259, 14933, 14613, 14298, 13987, 13681, |
332 | 13379, 13082, 12788, 12499, 12214, 11933, 11655, 11382, |
333 | 11112, 10845, 10582, 10322, 10066, 9812, 9562, 9315, |
334 | 9071, 8830, 8591, 8356, 8123, 7893, 7665, 7440, |
335 | 7218, 6998, 6780, 6565, 6352, 6141, 5933, 5726, |
336 | 5522, 5320, 5120, 4922, 4726, 4532, 4340, 4149, |
337 | 3961, 3774, 3589, 3406, 3225, 3045, 2867, 2690, |
338 | 2516, 2342, 2170, 2000, 1831, 1664, 1498, 1334, |
339 | 1171, 1009, 849, 690, 532, 376, 221, 67, |
340 | -84, -236, -386, -535, -683, -830, -975, -1119, |
341 | -1263, -1405, -1546, -1686, -1825, -1964, -2101, -2237, |
342 | -2372, -2506, -2639, -2771, -2902, -3033, -3162, -3291, |
343 | -3418, -3545, -3671, -3796, -3920, -4044, -4166, -4288, |
344 | -4409, -4529, -4649, -4767, -4885, -5002, -5119, -5235, |
345 | -5349, -5464, -5577, -5690, -5802, -5913, -6024, -6134, |
346 | -6244, -6352, -6461, -6568, -6675, -6781, -6887, -6992, |
347 | -7096, -7200, -7303, -7406, -7508, -7609, -7710, -7810, |
348 | -7910, -8009, -8108, -8206, -8304, -8401, -8497, -8593, |
349 | -8689, -8784, -8878, -8972, -9066, -9159, -9251, -9343, |
350 | -9435, -9526, -9617, -9707, -9796, -9886, -9975, -10063, |
351 | -10151, -10238, -10325, -10412, -10839, -10923, -11007, -11090, |
352 | -11173, -11256, -11338, -11420, -11501, -11583, -11663, -11744, |
353 | -11823, -11903, -11982 |
354 | }; |
355 | |
356 | static const u8 chan_mux[DA9052_ADC_VBBAT + 1] = { |
357 | [DA9052_ADC_VDDOUT] = DA9052_ADC_MAN_MUXSEL_VDDOUT, |
358 | [DA9052_ADC_ICH] = DA9052_ADC_MAN_MUXSEL_ICH, |
359 | [DA9052_ADC_TBAT] = DA9052_ADC_MAN_MUXSEL_TBAT, |
360 | [DA9052_ADC_VBAT] = DA9052_ADC_MAN_MUXSEL_VBAT, |
361 | [DA9052_ADC_IN4] = DA9052_ADC_MAN_MUXSEL_AD4, |
362 | [DA9052_ADC_IN5] = DA9052_ADC_MAN_MUXSEL_AD5, |
363 | [DA9052_ADC_IN6] = DA9052_ADC_MAN_MUXSEL_AD6, |
364 | [DA9052_ADC_VBBAT] = DA9052_ADC_MAN_MUXSEL_VBBAT |
365 | }; |
366 | |
367 | int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel) |
368 | { |
369 | int ret; |
370 | unsigned short calc_data; |
371 | unsigned short data; |
372 | unsigned char mux_sel; |
373 | |
374 | if (channel > DA9052_ADC_VBBAT) |
375 | return -EINVAL; |
376 | |
377 | mutex_lock(&da9052->auxadc_lock); |
378 | |
379 | /* Channel gets activated on enabling the Conversion bit */ |
380 | mux_sel = chan_mux[channel] | DA9052_ADC_MAN_MAN_CONV; |
381 | |
382 | ret = da9052_reg_write(da9052, DA9052_ADC_MAN_REG, mux_sel); |
383 | if (ret < 0) |
384 | goto err; |
385 | |
386 | /* Wait for an interrupt */ |
387 | if (!wait_for_completion_timeout(&da9052->done, |
388 | msecs_to_jiffies(500))) { |
389 | dev_err(da9052->dev, |
390 | "timeout waiting for ADC conversion interrupt\n"); |
391 | ret = -ETIMEDOUT; |
392 | goto err; |
393 | } |
394 | |
395 | ret = da9052_reg_read(da9052, DA9052_ADC_RES_H_REG); |
396 | if (ret < 0) |
397 | goto err; |
398 | |
399 | calc_data = (unsigned short)ret; |
400 | data = calc_data << 2; |
401 | |
402 | ret = da9052_reg_read(da9052, DA9052_ADC_RES_L_REG); |
403 | if (ret < 0) |
404 | goto err; |
405 | |
406 | calc_data = (unsigned short)(ret & DA9052_ADC_RES_LSB); |
407 | data |= calc_data; |
408 | |
409 | ret = data; |
410 | |
411 | err: |
412 | mutex_unlock(&da9052->auxadc_lock); |
413 | return ret; |
414 | } |
415 | EXPORT_SYMBOL_GPL(da9052_adc_manual_read); |
416 | |
417 | int da9052_adc_read_temp(struct da9052 *da9052) |
418 | { |
419 | int tbat; |
420 | |
421 | tbat = da9052_reg_read(da9052, DA9052_TBAT_RES_REG); |
422 | if (tbat <= 0) |
423 | return tbat; |
424 | |
425 | /* ARRAY_SIZE check is not needed since TBAT is a 8-bit register */ |
426 | return tbat_lookup[tbat - 1]; |
427 | } |
428 | EXPORT_SYMBOL_GPL(da9052_adc_read_temp); |
429 | |
430 | static struct mfd_cell da9052_subdev_info[] = { |
431 | { |
432 | .name = "da9052-regulator", |
433 | .id = 1, |
434 | }, |
435 | { |
436 | .name = "da9052-regulator", |
437 | .id = 2, |
438 | }, |
439 | { |
440 | .name = "da9052-regulator", |
441 | .id = 3, |
442 | }, |
443 | { |
444 | .name = "da9052-regulator", |
445 | .id = 4, |
446 | }, |
447 | { |
448 | .name = "da9052-regulator", |
449 | .id = 5, |
450 | }, |
451 | { |
452 | .name = "da9052-regulator", |
453 | .id = 6, |
454 | }, |
455 | { |
456 | .name = "da9052-regulator", |
457 | .id = 7, |
458 | }, |
459 | { |
460 | .name = "da9052-regulator", |
461 | .id = 8, |
462 | }, |
463 | { |
464 | .name = "da9052-regulator", |
465 | .id = 9, |
466 | }, |
467 | { |
468 | .name = "da9052-regulator", |
469 | .id = 10, |
470 | }, |
471 | { |
472 | .name = "da9052-regulator", |
473 | .id = 11, |
474 | }, |
475 | { |
476 | .name = "da9052-regulator", |
477 | .id = 12, |
478 | }, |
479 | { |
480 | .name = "da9052-regulator", |
481 | .id = 13, |
482 | }, |
483 | { |
484 | .name = "da9052-regulator", |
485 | .id = 14, |
486 | }, |
487 | { |
488 | .name = "da9052-onkey", |
489 | }, |
490 | { |
491 | .name = "da9052-rtc", |
492 | }, |
493 | { |
494 | .name = "da9052-gpio", |
495 | }, |
496 | { |
497 | .name = "da9052-hwmon", |
498 | }, |
499 | { |
500 | .name = "da9052-leds", |
501 | }, |
502 | { |
503 | .name = "da9052-wled1", |
504 | }, |
505 | { |
506 | .name = "da9052-wled2", |
507 | }, |
508 | { |
509 | .name = "da9052-wled3", |
510 | }, |
511 | { |
512 | .name = "da9052-tsi", |
513 | }, |
514 | { |
515 | .name = "da9052-bat", |
516 | }, |
517 | { |
518 | .name = "da9052-watchdog", |
519 | }, |
520 | }; |
521 | |
522 | struct regmap_config da9052_regmap_config = { |
523 | .reg_bits = 8, |
524 | .val_bits = 8, |
525 | |
526 | .cache_type = REGCACHE_RBTREE, |
527 | |
528 | .max_register = DA9052_PAGE1_CON_REG, |
529 | .readable_reg = da9052_reg_readable, |
530 | .writeable_reg = da9052_reg_writeable, |
531 | .volatile_reg = da9052_reg_volatile, |
532 | }; |
533 | EXPORT_SYMBOL_GPL(da9052_regmap_config); |
534 | |
535 | int da9052_device_init(struct da9052 *da9052, u8 chip_id) |
536 | { |
537 | struct da9052_pdata *pdata = da9052->dev->platform_data; |
538 | int ret; |
539 | |
540 | mutex_init(&da9052->auxadc_lock); |
541 | init_completion(&da9052->done); |
542 | |
543 | if (pdata && pdata->init != NULL) |
544 | pdata->init(da9052); |
545 | |
546 | da9052->chip_id = chip_id; |
547 | |
548 | ret = da9052_irq_init(da9052); |
549 | if (ret != 0) { |
550 | dev_err(da9052->dev, "da9052_irq_init failed: %d\n", ret); |
551 | return ret; |
552 | } |
553 | |
554 | ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, |
555 | ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL); |
556 | if (ret) { |
557 | dev_err(da9052->dev, "mfd_add_devices failed: %d\n", ret); |
558 | goto err; |
559 | } |
560 | |
561 | return 0; |
562 | |
563 | err: |
564 | da9052_irq_exit(da9052); |
565 | |
566 | return ret; |
567 | } |
568 | |
569 | void da9052_device_exit(struct da9052 *da9052) |
570 | { |
571 | mfd_remove_devices(da9052->dev); |
572 | da9052_irq_exit(da9052); |
573 | } |
574 | |
575 | MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); |
576 | MODULE_DESCRIPTION("DA9052 MFD Core"); |
577 | MODULE_LICENSE("GPL"); |
578 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9