da9052-core.c 15 KB

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  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. #include <linux/device.h>
  14. #include <linux/delay.h>
  15. #include <linux/input.h>
  16. #include <linux/interrupt.h>
  17. #include <linux/irq.h>
  18. #include <linux/mutex.h>
  19. #include <linux/mfd/core.h>
  20. #include <linux/slab.h>
  21. #include <linux/module.h>
  22. #include <linux/mfd/da9052/da9052.h>
  23. #include <linux/mfd/da9052/pdata.h>
  24. #include <linux/mfd/da9052/reg.h>
  25. #define DA9052_NUM_IRQ_REGS 4
  26. #define DA9052_IRQ_MASK_POS_1 0x01
  27. #define DA9052_IRQ_MASK_POS_2 0x02
  28. #define DA9052_IRQ_MASK_POS_3 0x04
  29. #define DA9052_IRQ_MASK_POS_4 0x08
  30. #define DA9052_IRQ_MASK_POS_5 0x10
  31. #define DA9052_IRQ_MASK_POS_6 0x20
  32. #define DA9052_IRQ_MASK_POS_7 0x40
  33. #define DA9052_IRQ_MASK_POS_8 0x80
  34. static bool da9052_reg_readable(struct device *dev, unsigned int reg)
  35. {
  36. switch (reg) {
  37. case DA9052_PAGE0_CON_REG:
  38. case DA9052_STATUS_A_REG:
  39. case DA9052_STATUS_B_REG:
  40. case DA9052_STATUS_C_REG:
  41. case DA9052_STATUS_D_REG:
  42. case DA9052_EVENT_A_REG:
  43. case DA9052_EVENT_B_REG:
  44. case DA9052_EVENT_C_REG:
  45. case DA9052_EVENT_D_REG:
  46. case DA9052_FAULTLOG_REG:
  47. case DA9052_IRQ_MASK_A_REG:
  48. case DA9052_IRQ_MASK_B_REG:
  49. case DA9052_IRQ_MASK_C_REG:
  50. case DA9052_IRQ_MASK_D_REG:
  51. case DA9052_CONTROL_A_REG:
  52. case DA9052_CONTROL_B_REG:
  53. case DA9052_CONTROL_C_REG:
  54. case DA9052_CONTROL_D_REG:
  55. case DA9052_PDDIS_REG:
  56. case DA9052_INTERFACE_REG:
  57. case DA9052_RESET_REG:
  58. case DA9052_GPIO_0_1_REG:
  59. case DA9052_GPIO_2_3_REG:
  60. case DA9052_GPIO_4_5_REG:
  61. case DA9052_GPIO_6_7_REG:
  62. case DA9052_GPIO_14_15_REG:
  63. case DA9052_ID_0_1_REG:
  64. case DA9052_ID_2_3_REG:
  65. case DA9052_ID_4_5_REG:
  66. case DA9052_ID_6_7_REG:
  67. case DA9052_ID_8_9_REG:
  68. case DA9052_ID_10_11_REG:
  69. case DA9052_ID_12_13_REG:
  70. case DA9052_ID_14_15_REG:
  71. case DA9052_ID_16_17_REG:
  72. case DA9052_ID_18_19_REG:
  73. case DA9052_ID_20_21_REG:
  74. case DA9052_SEQ_STATUS_REG:
  75. case DA9052_SEQ_A_REG:
  76. case DA9052_SEQ_B_REG:
  77. case DA9052_SEQ_TIMER_REG:
  78. case DA9052_BUCKA_REG:
  79. case DA9052_BUCKB_REG:
  80. case DA9052_BUCKCORE_REG:
  81. case DA9052_BUCKPRO_REG:
  82. case DA9052_BUCKMEM_REG:
  83. case DA9052_BUCKPERI_REG:
  84. case DA9052_LDO1_REG:
  85. case DA9052_LDO2_REG:
  86. case DA9052_LDO3_REG:
  87. case DA9052_LDO4_REG:
  88. case DA9052_LDO5_REG:
  89. case DA9052_LDO6_REG:
  90. case DA9052_LDO7_REG:
  91. case DA9052_LDO8_REG:
  92. case DA9052_LDO9_REG:
  93. case DA9052_LDO10_REG:
  94. case DA9052_SUPPLY_REG:
  95. case DA9052_PULLDOWN_REG:
  96. case DA9052_CHGBUCK_REG:
  97. case DA9052_WAITCONT_REG:
  98. case DA9052_ISET_REG:
  99. case DA9052_BATCHG_REG:
  100. case DA9052_CHG_CONT_REG:
  101. case DA9052_INPUT_CONT_REG:
  102. case DA9052_CHG_TIME_REG:
  103. case DA9052_BBAT_CONT_REG:
  104. case DA9052_BOOST_REG:
  105. case DA9052_LED_CONT_REG:
  106. case DA9052_LEDMIN123_REG:
  107. case DA9052_LED1_CONF_REG:
  108. case DA9052_LED2_CONF_REG:
  109. case DA9052_LED3_CONF_REG:
  110. case DA9052_LED1CONT_REG:
  111. case DA9052_LED2CONT_REG:
  112. case DA9052_LED3CONT_REG:
  113. case DA9052_LED_CONT_4_REG:
  114. case DA9052_LED_CONT_5_REG:
  115. case DA9052_ADC_MAN_REG:
  116. case DA9052_ADC_CONT_REG:
  117. case DA9052_ADC_RES_L_REG:
  118. case DA9052_ADC_RES_H_REG:
  119. case DA9052_VDD_RES_REG:
  120. case DA9052_VDD_MON_REG:
  121. case DA9052_ICHG_AV_REG:
  122. case DA9052_ICHG_THD_REG:
  123. case DA9052_ICHG_END_REG:
  124. case DA9052_TBAT_RES_REG:
  125. case DA9052_TBAT_HIGHP_REG:
  126. case DA9052_TBAT_HIGHN_REG:
  127. case DA9052_TBAT_LOW_REG:
  128. case DA9052_T_OFFSET_REG:
  129. case DA9052_ADCIN4_RES_REG:
  130. case DA9052_AUTO4_HIGH_REG:
  131. case DA9052_AUTO4_LOW_REG:
  132. case DA9052_ADCIN5_RES_REG:
  133. case DA9052_AUTO5_HIGH_REG:
  134. case DA9052_AUTO5_LOW_REG:
  135. case DA9052_ADCIN6_RES_REG:
  136. case DA9052_AUTO6_HIGH_REG:
  137. case DA9052_AUTO6_LOW_REG:
  138. case DA9052_TJUNC_RES_REG:
  139. case DA9052_TSI_CONT_A_REG:
  140. case DA9052_TSI_CONT_B_REG:
  141. case DA9052_TSI_X_MSB_REG:
  142. case DA9052_TSI_Y_MSB_REG:
  143. case DA9052_TSI_LSB_REG:
  144. case DA9052_TSI_Z_MSB_REG:
  145. case DA9052_COUNT_S_REG:
  146. case DA9052_COUNT_MI_REG:
  147. case DA9052_COUNT_H_REG:
  148. case DA9052_COUNT_D_REG:
  149. case DA9052_COUNT_MO_REG:
  150. case DA9052_COUNT_Y_REG:
  151. case DA9052_ALARM_MI_REG:
  152. case DA9052_ALARM_H_REG:
  153. case DA9052_ALARM_D_REG:
  154. case DA9052_ALARM_MO_REG:
  155. case DA9052_ALARM_Y_REG:
  156. case DA9052_SECOND_A_REG:
  157. case DA9052_SECOND_B_REG:
  158. case DA9052_SECOND_C_REG:
  159. case DA9052_SECOND_D_REG:
  160. case DA9052_PAGE1_CON_REG:
  161. return true;
  162. default:
  163. return false;
  164. }
  165. }
  166. static bool da9052_reg_writeable(struct device *dev, unsigned int reg)
  167. {
  168. switch (reg) {
  169. case DA9052_PAGE0_CON_REG:
  170. case DA9052_EVENT_A_REG:
  171. case DA9052_EVENT_B_REG:
  172. case DA9052_EVENT_C_REG:
  173. case DA9052_EVENT_D_REG:
  174. case DA9052_IRQ_MASK_A_REG:
  175. case DA9052_IRQ_MASK_B_REG:
  176. case DA9052_IRQ_MASK_C_REG:
  177. case DA9052_IRQ_MASK_D_REG:
  178. case DA9052_CONTROL_A_REG:
  179. case DA9052_CONTROL_B_REG:
  180. case DA9052_CONTROL_C_REG:
  181. case DA9052_CONTROL_D_REG:
  182. case DA9052_PDDIS_REG:
  183. case DA9052_RESET_REG:
  184. case DA9052_GPIO_0_1_REG:
  185. case DA9052_GPIO_2_3_REG:
  186. case DA9052_GPIO_4_5_REG:
  187. case DA9052_GPIO_6_7_REG:
  188. case DA9052_GPIO_14_15_REG:
  189. case DA9052_ID_0_1_REG:
  190. case DA9052_ID_2_3_REG:
  191. case DA9052_ID_4_5_REG:
  192. case DA9052_ID_6_7_REG:
  193. case DA9052_ID_8_9_REG:
  194. case DA9052_ID_10_11_REG:
  195. case DA9052_ID_12_13_REG:
  196. case DA9052_ID_14_15_REG:
  197. case DA9052_ID_16_17_REG:
  198. case DA9052_ID_18_19_REG:
  199. case DA9052_ID_20_21_REG:
  200. case DA9052_SEQ_STATUS_REG:
  201. case DA9052_SEQ_A_REG:
  202. case DA9052_SEQ_B_REG:
  203. case DA9052_SEQ_TIMER_REG:
  204. case DA9052_BUCKA_REG:
  205. case DA9052_BUCKB_REG:
  206. case DA9052_BUCKCORE_REG:
  207. case DA9052_BUCKPRO_REG:
  208. case DA9052_BUCKMEM_REG:
  209. case DA9052_BUCKPERI_REG:
  210. case DA9052_LDO1_REG:
  211. case DA9052_LDO2_REG:
  212. case DA9052_LDO3_REG:
  213. case DA9052_LDO4_REG:
  214. case DA9052_LDO5_REG:
  215. case DA9052_LDO6_REG:
  216. case DA9052_LDO7_REG:
  217. case DA9052_LDO8_REG:
  218. case DA9052_LDO9_REG:
  219. case DA9052_LDO10_REG:
  220. case DA9052_SUPPLY_REG:
  221. case DA9052_PULLDOWN_REG:
  222. case DA9052_CHGBUCK_REG:
  223. case DA9052_WAITCONT_REG:
  224. case DA9052_ISET_REG:
  225. case DA9052_BATCHG_REG:
  226. case DA9052_CHG_CONT_REG:
  227. case DA9052_INPUT_CONT_REG:
  228. case DA9052_BBAT_CONT_REG:
  229. case DA9052_BOOST_REG:
  230. case DA9052_LED_CONT_REG:
  231. case DA9052_LEDMIN123_REG:
  232. case DA9052_LED1_CONF_REG:
  233. case DA9052_LED2_CONF_REG:
  234. case DA9052_LED3_CONF_REG:
  235. case DA9052_LED1CONT_REG:
  236. case DA9052_LED2CONT_REG:
  237. case DA9052_LED3CONT_REG:
  238. case DA9052_LED_CONT_4_REG:
  239. case DA9052_LED_CONT_5_REG:
  240. case DA9052_ADC_MAN_REG:
  241. case DA9052_ADC_CONT_REG:
  242. case DA9052_ADC_RES_L_REG:
  243. case DA9052_ADC_RES_H_REG:
  244. case DA9052_VDD_RES_REG:
  245. case DA9052_VDD_MON_REG:
  246. case DA9052_ICHG_THD_REG:
  247. case DA9052_ICHG_END_REG:
  248. case DA9052_TBAT_HIGHP_REG:
  249. case DA9052_TBAT_HIGHN_REG:
  250. case DA9052_TBAT_LOW_REG:
  251. case DA9052_T_OFFSET_REG:
  252. case DA9052_AUTO4_HIGH_REG:
  253. case DA9052_AUTO4_LOW_REG:
  254. case DA9052_AUTO5_HIGH_REG:
  255. case DA9052_AUTO5_LOW_REG:
  256. case DA9052_AUTO6_HIGH_REG:
  257. case DA9052_AUTO6_LOW_REG:
  258. case DA9052_TSI_CONT_A_REG:
  259. case DA9052_TSI_CONT_B_REG:
  260. case DA9052_COUNT_S_REG:
  261. case DA9052_COUNT_MI_REG:
  262. case DA9052_COUNT_H_REG:
  263. case DA9052_COUNT_D_REG:
  264. case DA9052_COUNT_MO_REG:
  265. case DA9052_COUNT_Y_REG:
  266. case DA9052_ALARM_MI_REG:
  267. case DA9052_ALARM_H_REG:
  268. case DA9052_ALARM_D_REG:
  269. case DA9052_ALARM_MO_REG:
  270. case DA9052_ALARM_Y_REG:
  271. case DA9052_PAGE1_CON_REG:
  272. return true;
  273. default:
  274. return false;
  275. }
  276. }
  277. static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
  278. {
  279. switch (reg) {
  280. case DA9052_STATUS_A_REG:
  281. case DA9052_STATUS_B_REG:
  282. case DA9052_STATUS_C_REG:
  283. case DA9052_STATUS_D_REG:
  284. case DA9052_EVENT_A_REG:
  285. case DA9052_EVENT_B_REG:
  286. case DA9052_EVENT_C_REG:
  287. case DA9052_EVENT_D_REG:
  288. case DA9052_FAULTLOG_REG:
  289. case DA9052_CHG_TIME_REG:
  290. case DA9052_ADC_RES_L_REG:
  291. case DA9052_ADC_RES_H_REG:
  292. case DA9052_VDD_RES_REG:
  293. case DA9052_ICHG_AV_REG:
  294. case DA9052_TBAT_RES_REG:
  295. case DA9052_ADCIN4_RES_REG:
  296. case DA9052_ADCIN5_RES_REG:
  297. case DA9052_ADCIN6_RES_REG:
  298. case DA9052_TJUNC_RES_REG:
  299. case DA9052_TSI_X_MSB_REG:
  300. case DA9052_TSI_Y_MSB_REG:
  301. case DA9052_TSI_LSB_REG:
  302. case DA9052_TSI_Z_MSB_REG:
  303. case DA9052_COUNT_S_REG:
  304. case DA9052_COUNT_MI_REG:
  305. case DA9052_COUNT_H_REG:
  306. case DA9052_COUNT_D_REG:
  307. case DA9052_COUNT_MO_REG:
  308. case DA9052_COUNT_Y_REG:
  309. case DA9052_ALARM_MI_REG:
  310. return true;
  311. default:
  312. return false;
  313. }
  314. }
  315. static struct resource da9052_rtc_resource = {
  316. .name = "ALM",
  317. .start = DA9052_IRQ_ALARM,
  318. .end = DA9052_IRQ_ALARM,
  319. .flags = IORESOURCE_IRQ,
  320. };
  321. static struct resource da9052_onkey_resource = {
  322. .name = "ONKEY",
  323. .start = DA9052_IRQ_NONKEY,
  324. .end = DA9052_IRQ_NONKEY,
  325. .flags = IORESOURCE_IRQ,
  326. };
  327. static struct resource da9052_bat_resources[] = {
  328. {
  329. .name = "BATT TEMP",
  330. .start = DA9052_IRQ_TBAT,
  331. .end = DA9052_IRQ_TBAT,
  332. .flags = IORESOURCE_IRQ,
  333. },
  334. {
  335. .name = "DCIN DET",
  336. .start = DA9052_IRQ_DCIN,
  337. .end = DA9052_IRQ_DCIN,
  338. .flags = IORESOURCE_IRQ,
  339. },
  340. {
  341. .name = "DCIN REM",
  342. .start = DA9052_IRQ_DCINREM,
  343. .end = DA9052_IRQ_DCINREM,
  344. .flags = IORESOURCE_IRQ,
  345. },
  346. {
  347. .name = "VBUS DET",
  348. .start = DA9052_IRQ_VBUS,
  349. .end = DA9052_IRQ_VBUS,
  350. .flags = IORESOURCE_IRQ,
  351. },
  352. {
  353. .name = "VBUS REM",
  354. .start = DA9052_IRQ_VBUSREM,
  355. .end = DA9052_IRQ_VBUSREM,
  356. .flags = IORESOURCE_IRQ,
  357. },
  358. {
  359. .name = "CHG END",
  360. .start = DA9052_IRQ_CHGEND,
  361. .end = DA9052_IRQ_CHGEND,
  362. .flags = IORESOURCE_IRQ,
  363. },
  364. };
  365. static struct resource da9052_tsi_resources[] = {
  366. {
  367. .name = "PENDWN",
  368. .start = DA9052_IRQ_PENDOWN,
  369. .end = DA9052_IRQ_PENDOWN,
  370. .flags = IORESOURCE_IRQ,
  371. },
  372. {
  373. .name = "TSIRDY",
  374. .start = DA9052_IRQ_TSIREADY,
  375. .end = DA9052_IRQ_TSIREADY,
  376. .flags = IORESOURCE_IRQ,
  377. },
  378. };
  379. static struct mfd_cell __devinitdata da9052_subdev_info[] = {
  380. {
  381. .name = "da9052-regulator",
  382. .id = 1,
  383. },
  384. {
  385. .name = "da9052-regulator",
  386. .id = 2,
  387. },
  388. {
  389. .name = "da9052-regulator",
  390. .id = 3,
  391. },
  392. {
  393. .name = "da9052-regulator",
  394. .id = 4,
  395. },
  396. {
  397. .name = "da9052-regulator",
  398. .id = 5,
  399. },
  400. {
  401. .name = "da9052-regulator",
  402. .id = 6,
  403. },
  404. {
  405. .name = "da9052-regulator",
  406. .id = 7,
  407. },
  408. {
  409. .name = "da9052-regulator",
  410. .id = 8,
  411. },
  412. {
  413. .name = "da9052-regulator",
  414. .id = 9,
  415. },
  416. {
  417. .name = "da9052-regulator",
  418. .id = 10,
  419. },
  420. {
  421. .name = "da9052-regulator",
  422. .id = 11,
  423. },
  424. {
  425. .name = "da9052-regulator",
  426. .id = 12,
  427. },
  428. {
  429. .name = "da9052-regulator",
  430. .id = 13,
  431. },
  432. {
  433. .name = "da9052-regulator",
  434. .id = 14,
  435. },
  436. {
  437. .name = "da9052-onkey",
  438. .resources = &da9052_onkey_resource,
  439. .num_resources = 1,
  440. },
  441. {
  442. .name = "da9052-rtc",
  443. .resources = &da9052_rtc_resource,
  444. .num_resources = 1,
  445. },
  446. {
  447. .name = "da9052-gpio",
  448. },
  449. {
  450. .name = "da9052-hwmon",
  451. },
  452. {
  453. .name = "da9052-leds",
  454. },
  455. {
  456. .name = "da9052-wled1",
  457. },
  458. {
  459. .name = "da9052-wled2",
  460. },
  461. {
  462. .name = "da9052-wled3",
  463. },
  464. {
  465. .name = "da9052-tsi",
  466. .resources = da9052_tsi_resources,
  467. .num_resources = ARRAY_SIZE(da9052_tsi_resources),
  468. },
  469. {
  470. .name = "da9052-bat",
  471. .resources = da9052_bat_resources,
  472. .num_resources = ARRAY_SIZE(da9052_bat_resources),
  473. },
  474. {
  475. .name = "da9052-watchdog",
  476. },
  477. };
  478. static struct regmap_irq da9052_irqs[] = {
  479. [DA9052_IRQ_DCIN] = {
  480. .reg_offset = 0,
  481. .mask = DA9052_IRQ_MASK_POS_1,
  482. },
  483. [DA9052_IRQ_VBUS] = {
  484. .reg_offset = 0,
  485. .mask = DA9052_IRQ_MASK_POS_2,
  486. },
  487. [DA9052_IRQ_DCINREM] = {
  488. .reg_offset = 0,
  489. .mask = DA9052_IRQ_MASK_POS_3,
  490. },
  491. [DA9052_IRQ_VBUSREM] = {
  492. .reg_offset = 0,
  493. .mask = DA9052_IRQ_MASK_POS_4,
  494. },
  495. [DA9052_IRQ_VDDLOW] = {
  496. .reg_offset = 0,
  497. .mask = DA9052_IRQ_MASK_POS_5,
  498. },
  499. [DA9052_IRQ_ALARM] = {
  500. .reg_offset = 0,
  501. .mask = DA9052_IRQ_MASK_POS_6,
  502. },
  503. [DA9052_IRQ_SEQRDY] = {
  504. .reg_offset = 0,
  505. .mask = DA9052_IRQ_MASK_POS_7,
  506. },
  507. [DA9052_IRQ_COMP1V2] = {
  508. .reg_offset = 0,
  509. .mask = DA9052_IRQ_MASK_POS_8,
  510. },
  511. [DA9052_IRQ_NONKEY] = {
  512. .reg_offset = 1,
  513. .mask = DA9052_IRQ_MASK_POS_1,
  514. },
  515. [DA9052_IRQ_IDFLOAT] = {
  516. .reg_offset = 1,
  517. .mask = DA9052_IRQ_MASK_POS_2,
  518. },
  519. [DA9052_IRQ_IDGND] = {
  520. .reg_offset = 1,
  521. .mask = DA9052_IRQ_MASK_POS_3,
  522. },
  523. [DA9052_IRQ_CHGEND] = {
  524. .reg_offset = 1,
  525. .mask = DA9052_IRQ_MASK_POS_4,
  526. },
  527. [DA9052_IRQ_TBAT] = {
  528. .reg_offset = 1,
  529. .mask = DA9052_IRQ_MASK_POS_5,
  530. },
  531. [DA9052_IRQ_ADC_EOM] = {
  532. .reg_offset = 1,
  533. .mask = DA9052_IRQ_MASK_POS_6,
  534. },
  535. [DA9052_IRQ_PENDOWN] = {
  536. .reg_offset = 1,
  537. .mask = DA9052_IRQ_MASK_POS_7,
  538. },
  539. [DA9052_IRQ_TSIREADY] = {
  540. .reg_offset = 1,
  541. .mask = DA9052_IRQ_MASK_POS_8,
  542. },
  543. [DA9052_IRQ_GPI0] = {
  544. .reg_offset = 2,
  545. .mask = DA9052_IRQ_MASK_POS_1,
  546. },
  547. [DA9052_IRQ_GPI1] = {
  548. .reg_offset = 2,
  549. .mask = DA9052_IRQ_MASK_POS_2,
  550. },
  551. [DA9052_IRQ_GPI2] = {
  552. .reg_offset = 2,
  553. .mask = DA9052_IRQ_MASK_POS_3,
  554. },
  555. [DA9052_IRQ_GPI3] = {
  556. .reg_offset = 2,
  557. .mask = DA9052_IRQ_MASK_POS_4,
  558. },
  559. [DA9052_IRQ_GPI4] = {
  560. .reg_offset = 2,
  561. .mask = DA9052_IRQ_MASK_POS_5,
  562. },
  563. [DA9052_IRQ_GPI5] = {
  564. .reg_offset = 2,
  565. .mask = DA9052_IRQ_MASK_POS_6,
  566. },
  567. [DA9052_IRQ_GPI6] = {
  568. .reg_offset = 2,
  569. .mask = DA9052_IRQ_MASK_POS_7,
  570. },
  571. [DA9052_IRQ_GPI7] = {
  572. .reg_offset = 2,
  573. .mask = DA9052_IRQ_MASK_POS_8,
  574. },
  575. [DA9052_IRQ_GPI8] = {
  576. .reg_offset = 3,
  577. .mask = DA9052_IRQ_MASK_POS_1,
  578. },
  579. [DA9052_IRQ_GPI9] = {
  580. .reg_offset = 3,
  581. .mask = DA9052_IRQ_MASK_POS_2,
  582. },
  583. [DA9052_IRQ_GPI10] = {
  584. .reg_offset = 3,
  585. .mask = DA9052_IRQ_MASK_POS_3,
  586. },
  587. [DA9052_IRQ_GPI11] = {
  588. .reg_offset = 3,
  589. .mask = DA9052_IRQ_MASK_POS_4,
  590. },
  591. [DA9052_IRQ_GPI12] = {
  592. .reg_offset = 3,
  593. .mask = DA9052_IRQ_MASK_POS_5,
  594. },
  595. [DA9052_IRQ_GPI13] = {
  596. .reg_offset = 3,
  597. .mask = DA9052_IRQ_MASK_POS_6,
  598. },
  599. [DA9052_IRQ_GPI14] = {
  600. .reg_offset = 3,
  601. .mask = DA9052_IRQ_MASK_POS_7,
  602. },
  603. [DA9052_IRQ_GPI15] = {
  604. .reg_offset = 3,
  605. .mask = DA9052_IRQ_MASK_POS_8,
  606. },
  607. };
  608. static struct regmap_irq_chip da9052_regmap_irq_chip = {
  609. .name = "da9052_irq",
  610. .status_base = DA9052_EVENT_A_REG,
  611. .mask_base = DA9052_IRQ_MASK_A_REG,
  612. .ack_base = DA9052_EVENT_A_REG,
  613. .num_regs = DA9052_NUM_IRQ_REGS,
  614. .irqs = da9052_irqs,
  615. .num_irqs = ARRAY_SIZE(da9052_irqs),
  616. };
  617. struct regmap_config da9052_regmap_config = {
  618. .reg_bits = 8,
  619. .val_bits = 8,
  620. .cache_type = REGCACHE_RBTREE,
  621. .max_register = DA9052_PAGE1_CON_REG,
  622. .readable_reg = da9052_reg_readable,
  623. .writeable_reg = da9052_reg_writeable,
  624. .volatile_reg = da9052_reg_volatile,
  625. };
  626. EXPORT_SYMBOL_GPL(da9052_regmap_config);
  627. int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id)
  628. {
  629. struct da9052_pdata *pdata = da9052->dev->platform_data;
  630. struct irq_desc *desc;
  631. int ret;
  632. mutex_init(&da9052->io_lock);
  633. if (pdata && pdata->init != NULL)
  634. pdata->init(da9052);
  635. da9052->chip_id = chip_id;
  636. if (!pdata || !pdata->irq_base)
  637. da9052->irq_base = -1;
  638. else
  639. da9052->irq_base = pdata->irq_base;
  640. ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
  641. IRQF_TRIGGER_LOW | IRQF_ONESHOT,
  642. da9052->irq_base, &da9052_regmap_irq_chip,
  643. NULL);
  644. if (ret < 0)
  645. goto regmap_err;
  646. desc = irq_to_desc(da9052->chip_irq);
  647. da9052->irq_base = regmap_irq_chip_get_base(desc->action->dev_id);
  648. ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
  649. ARRAY_SIZE(da9052_subdev_info), NULL, 0);
  650. if (ret)
  651. goto err;
  652. return 0;
  653. err:
  654. mfd_remove_devices(da9052->dev);
  655. regmap_err:
  656. return ret;
  657. }
  658. void da9052_device_exit(struct da9052 *da9052)
  659. {
  660. regmap_del_irq_chip(da9052->chip_irq,
  661. irq_get_irq_data(da9052->irq_base)->chip_data);
  662. mfd_remove_devices(da9052->dev);
  663. }
  664. MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
  665. MODULE_DESCRIPTION("DA9052 MFD Core");
  666. MODULE_LICENSE("GPL");