pinctrl-ocelot.c 58 KB

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  1. // SPDX-License-Identifier: (GPL-2.0 OR MIT)
  2. /*
  3. * Microsemi SoCs pinctrl driver
  4. *
  5. * Author: <[email protected]>
  6. * License: Dual MIT/GPL
  7. * Copyright (c) 2017 Microsemi Corporation
  8. */
  9. #include <linux/gpio/driver.h>
  10. #include <linux/interrupt.h>
  11. #include <linux/io.h>
  12. #include <linux/mfd/ocelot.h>
  13. #include <linux/of_device.h>
  14. #include <linux/of_irq.h>
  15. #include <linux/of_platform.h>
  16. #include <linux/pinctrl/pinctrl.h>
  17. #include <linux/pinctrl/pinmux.h>
  18. #include <linux/pinctrl/pinconf.h>
  19. #include <linux/pinctrl/pinconf-generic.h>
  20. #include <linux/platform_device.h>
  21. #include <linux/regmap.h>
  22. #include <linux/reset.h>
  23. #include <linux/slab.h>
  24. #include "core.h"
  25. #include "pinconf.h"
  26. #include "pinmux.h"
  27. #define ocelot_clrsetbits(addr, clear, set) \
  28. writel((readl(addr) & ~(clear)) | (set), (addr))
  29. enum {
  30. PINCONF_BIAS,
  31. PINCONF_SCHMITT,
  32. PINCONF_DRIVE_STRENGTH,
  33. };
  34. /* GPIO standard registers */
  35. #define OCELOT_GPIO_OUT_SET 0x0
  36. #define OCELOT_GPIO_OUT_CLR 0x4
  37. #define OCELOT_GPIO_OUT 0x8
  38. #define OCELOT_GPIO_IN 0xc
  39. #define OCELOT_GPIO_OE 0x10
  40. #define OCELOT_GPIO_INTR 0x14
  41. #define OCELOT_GPIO_INTR_ENA 0x18
  42. #define OCELOT_GPIO_INTR_IDENT 0x1c
  43. #define OCELOT_GPIO_ALT0 0x20
  44. #define OCELOT_GPIO_ALT1 0x24
  45. #define OCELOT_GPIO_SD_MAP 0x28
  46. #define OCELOT_FUNC_PER_PIN 4
  47. enum {
  48. FUNC_CAN0_a,
  49. FUNC_CAN0_b,
  50. FUNC_CAN1,
  51. FUNC_CLKMON,
  52. FUNC_NONE,
  53. FUNC_FC0_a,
  54. FUNC_FC0_b,
  55. FUNC_FC0_c,
  56. FUNC_FC1_a,
  57. FUNC_FC1_b,
  58. FUNC_FC1_c,
  59. FUNC_FC2_a,
  60. FUNC_FC2_b,
  61. FUNC_FC3_a,
  62. FUNC_FC3_b,
  63. FUNC_FC3_c,
  64. FUNC_FC4_a,
  65. FUNC_FC4_b,
  66. FUNC_FC4_c,
  67. FUNC_FC_SHRD0,
  68. FUNC_FC_SHRD1,
  69. FUNC_FC_SHRD2,
  70. FUNC_FC_SHRD3,
  71. FUNC_FC_SHRD4,
  72. FUNC_FC_SHRD5,
  73. FUNC_FC_SHRD6,
  74. FUNC_FC_SHRD7,
  75. FUNC_FC_SHRD8,
  76. FUNC_FC_SHRD9,
  77. FUNC_FC_SHRD10,
  78. FUNC_FC_SHRD11,
  79. FUNC_FC_SHRD12,
  80. FUNC_FC_SHRD13,
  81. FUNC_FC_SHRD14,
  82. FUNC_FC_SHRD15,
  83. FUNC_FC_SHRD16,
  84. FUNC_FC_SHRD17,
  85. FUNC_FC_SHRD18,
  86. FUNC_FC_SHRD19,
  87. FUNC_FC_SHRD20,
  88. FUNC_GPIO,
  89. FUNC_IB_TRG_a,
  90. FUNC_IB_TRG_b,
  91. FUNC_IB_TRG_c,
  92. FUNC_IRQ0,
  93. FUNC_IRQ_IN_a,
  94. FUNC_IRQ_IN_b,
  95. FUNC_IRQ_IN_c,
  96. FUNC_IRQ0_IN,
  97. FUNC_IRQ_OUT_a,
  98. FUNC_IRQ_OUT_b,
  99. FUNC_IRQ_OUT_c,
  100. FUNC_IRQ0_OUT,
  101. FUNC_IRQ1,
  102. FUNC_IRQ1_IN,
  103. FUNC_IRQ1_OUT,
  104. FUNC_EXT_IRQ,
  105. FUNC_MIIM,
  106. FUNC_MIIM_a,
  107. FUNC_MIIM_b,
  108. FUNC_MIIM_c,
  109. FUNC_MIIM_Sa,
  110. FUNC_MIIM_Sb,
  111. FUNC_OB_TRG,
  112. FUNC_OB_TRG_a,
  113. FUNC_OB_TRG_b,
  114. FUNC_PHY_LED,
  115. FUNC_PCI_WAKE,
  116. FUNC_MD,
  117. FUNC_PTP0,
  118. FUNC_PTP1,
  119. FUNC_PTP2,
  120. FUNC_PTP3,
  121. FUNC_PTPSYNC_0,
  122. FUNC_PTPSYNC_1,
  123. FUNC_PTPSYNC_2,
  124. FUNC_PTPSYNC_3,
  125. FUNC_PTPSYNC_4,
  126. FUNC_PTPSYNC_5,
  127. FUNC_PTPSYNC_6,
  128. FUNC_PTPSYNC_7,
  129. FUNC_PWM,
  130. FUNC_PWM_a,
  131. FUNC_PWM_b,
  132. FUNC_QSPI1,
  133. FUNC_QSPI2,
  134. FUNC_R,
  135. FUNC_RECO_a,
  136. FUNC_RECO_b,
  137. FUNC_RECO_CLK,
  138. FUNC_SD,
  139. FUNC_SFP,
  140. FUNC_SFP_SD,
  141. FUNC_SG0,
  142. FUNC_SG1,
  143. FUNC_SG2,
  144. FUNC_SGPIO_a,
  145. FUNC_SGPIO_b,
  146. FUNC_SI,
  147. FUNC_SI2,
  148. FUNC_TACHO,
  149. FUNC_TACHO_a,
  150. FUNC_TACHO_b,
  151. FUNC_TWI,
  152. FUNC_TWI2,
  153. FUNC_TWI3,
  154. FUNC_TWI_SCL_M,
  155. FUNC_TWI_SLC_GATE,
  156. FUNC_TWI_SLC_GATE_AD,
  157. FUNC_UART,
  158. FUNC_UART2,
  159. FUNC_UART3,
  160. FUNC_USB_H_a,
  161. FUNC_USB_H_b,
  162. FUNC_USB_H_c,
  163. FUNC_USB_S_a,
  164. FUNC_USB_S_b,
  165. FUNC_USB_S_c,
  166. FUNC_PLL_STAT,
  167. FUNC_EMMC,
  168. FUNC_EMMC_SD,
  169. FUNC_REF_CLK,
  170. FUNC_RCVRD_CLK,
  171. FUNC_MAX
  172. };
  173. static const char *const ocelot_function_names[] = {
  174. [FUNC_CAN0_a] = "can0_a",
  175. [FUNC_CAN0_b] = "can0_b",
  176. [FUNC_CAN1] = "can1",
  177. [FUNC_CLKMON] = "clkmon",
  178. [FUNC_NONE] = "none",
  179. [FUNC_FC0_a] = "fc0_a",
  180. [FUNC_FC0_b] = "fc0_b",
  181. [FUNC_FC0_c] = "fc0_c",
  182. [FUNC_FC1_a] = "fc1_a",
  183. [FUNC_FC1_b] = "fc1_b",
  184. [FUNC_FC1_c] = "fc1_c",
  185. [FUNC_FC2_a] = "fc2_a",
  186. [FUNC_FC2_b] = "fc2_b",
  187. [FUNC_FC3_a] = "fc3_a",
  188. [FUNC_FC3_b] = "fc3_b",
  189. [FUNC_FC3_c] = "fc3_c",
  190. [FUNC_FC4_a] = "fc4_a",
  191. [FUNC_FC4_b] = "fc4_b",
  192. [FUNC_FC4_c] = "fc4_c",
  193. [FUNC_FC_SHRD0] = "fc_shrd0",
  194. [FUNC_FC_SHRD1] = "fc_shrd1",
  195. [FUNC_FC_SHRD2] = "fc_shrd2",
  196. [FUNC_FC_SHRD3] = "fc_shrd3",
  197. [FUNC_FC_SHRD4] = "fc_shrd4",
  198. [FUNC_FC_SHRD5] = "fc_shrd5",
  199. [FUNC_FC_SHRD6] = "fc_shrd6",
  200. [FUNC_FC_SHRD7] = "fc_shrd7",
  201. [FUNC_FC_SHRD8] = "fc_shrd8",
  202. [FUNC_FC_SHRD9] = "fc_shrd9",
  203. [FUNC_FC_SHRD10] = "fc_shrd10",
  204. [FUNC_FC_SHRD11] = "fc_shrd11",
  205. [FUNC_FC_SHRD12] = "fc_shrd12",
  206. [FUNC_FC_SHRD13] = "fc_shrd13",
  207. [FUNC_FC_SHRD14] = "fc_shrd14",
  208. [FUNC_FC_SHRD15] = "fc_shrd15",
  209. [FUNC_FC_SHRD16] = "fc_shrd16",
  210. [FUNC_FC_SHRD17] = "fc_shrd17",
  211. [FUNC_FC_SHRD18] = "fc_shrd18",
  212. [FUNC_FC_SHRD19] = "fc_shrd19",
  213. [FUNC_FC_SHRD20] = "fc_shrd20",
  214. [FUNC_GPIO] = "gpio",
  215. [FUNC_IB_TRG_a] = "ib_trig_a",
  216. [FUNC_IB_TRG_b] = "ib_trig_b",
  217. [FUNC_IB_TRG_c] = "ib_trig_c",
  218. [FUNC_IRQ0] = "irq0",
  219. [FUNC_IRQ_IN_a] = "irq_in_a",
  220. [FUNC_IRQ_IN_b] = "irq_in_b",
  221. [FUNC_IRQ_IN_c] = "irq_in_c",
  222. [FUNC_IRQ0_IN] = "irq0_in",
  223. [FUNC_IRQ_OUT_a] = "irq_out_a",
  224. [FUNC_IRQ_OUT_b] = "irq_out_b",
  225. [FUNC_IRQ_OUT_c] = "irq_out_c",
  226. [FUNC_IRQ0_OUT] = "irq0_out",
  227. [FUNC_IRQ1] = "irq1",
  228. [FUNC_IRQ1_IN] = "irq1_in",
  229. [FUNC_IRQ1_OUT] = "irq1_out",
  230. [FUNC_EXT_IRQ] = "ext_irq",
  231. [FUNC_MIIM] = "miim",
  232. [FUNC_MIIM_a] = "miim_a",
  233. [FUNC_MIIM_b] = "miim_b",
  234. [FUNC_MIIM_c] = "miim_c",
  235. [FUNC_MIIM_Sa] = "miim_slave_a",
  236. [FUNC_MIIM_Sb] = "miim_slave_b",
  237. [FUNC_PHY_LED] = "phy_led",
  238. [FUNC_PCI_WAKE] = "pci_wake",
  239. [FUNC_MD] = "md",
  240. [FUNC_OB_TRG] = "ob_trig",
  241. [FUNC_OB_TRG_a] = "ob_trig_a",
  242. [FUNC_OB_TRG_b] = "ob_trig_b",
  243. [FUNC_PTP0] = "ptp0",
  244. [FUNC_PTP1] = "ptp1",
  245. [FUNC_PTP2] = "ptp2",
  246. [FUNC_PTP3] = "ptp3",
  247. [FUNC_PTPSYNC_0] = "ptpsync_0",
  248. [FUNC_PTPSYNC_1] = "ptpsync_1",
  249. [FUNC_PTPSYNC_2] = "ptpsync_2",
  250. [FUNC_PTPSYNC_3] = "ptpsync_3",
  251. [FUNC_PTPSYNC_4] = "ptpsync_4",
  252. [FUNC_PTPSYNC_5] = "ptpsync_5",
  253. [FUNC_PTPSYNC_6] = "ptpsync_6",
  254. [FUNC_PTPSYNC_7] = "ptpsync_7",
  255. [FUNC_PWM] = "pwm",
  256. [FUNC_PWM_a] = "pwm_a",
  257. [FUNC_PWM_b] = "pwm_b",
  258. [FUNC_QSPI1] = "qspi1",
  259. [FUNC_QSPI2] = "qspi2",
  260. [FUNC_R] = "reserved",
  261. [FUNC_RECO_a] = "reco_a",
  262. [FUNC_RECO_b] = "reco_b",
  263. [FUNC_RECO_CLK] = "reco_clk",
  264. [FUNC_SD] = "sd",
  265. [FUNC_SFP] = "sfp",
  266. [FUNC_SFP_SD] = "sfp_sd",
  267. [FUNC_SG0] = "sg0",
  268. [FUNC_SG1] = "sg1",
  269. [FUNC_SG2] = "sg2",
  270. [FUNC_SGPIO_a] = "sgpio_a",
  271. [FUNC_SGPIO_b] = "sgpio_b",
  272. [FUNC_SI] = "si",
  273. [FUNC_SI2] = "si2",
  274. [FUNC_TACHO] = "tacho",
  275. [FUNC_TACHO_a] = "tacho_a",
  276. [FUNC_TACHO_b] = "tacho_b",
  277. [FUNC_TWI] = "twi",
  278. [FUNC_TWI2] = "twi2",
  279. [FUNC_TWI3] = "twi3",
  280. [FUNC_TWI_SCL_M] = "twi_scl_m",
  281. [FUNC_TWI_SLC_GATE] = "twi_slc_gate",
  282. [FUNC_TWI_SLC_GATE_AD] = "twi_slc_gate_ad",
  283. [FUNC_USB_H_a] = "usb_host_a",
  284. [FUNC_USB_H_b] = "usb_host_b",
  285. [FUNC_USB_H_c] = "usb_host_c",
  286. [FUNC_USB_S_a] = "usb_slave_a",
  287. [FUNC_USB_S_b] = "usb_slave_b",
  288. [FUNC_USB_S_c] = "usb_slave_c",
  289. [FUNC_UART] = "uart",
  290. [FUNC_UART2] = "uart2",
  291. [FUNC_UART3] = "uart3",
  292. [FUNC_PLL_STAT] = "pll_stat",
  293. [FUNC_EMMC] = "emmc",
  294. [FUNC_EMMC_SD] = "emmc_sd",
  295. [FUNC_REF_CLK] = "ref_clk",
  296. [FUNC_RCVRD_CLK] = "rcvrd_clk",
  297. };
  298. struct ocelot_pmx_func {
  299. const char **groups;
  300. unsigned int ngroups;
  301. };
  302. struct ocelot_pin_caps {
  303. unsigned int pin;
  304. unsigned char functions[OCELOT_FUNC_PER_PIN];
  305. unsigned char a_functions[OCELOT_FUNC_PER_PIN]; /* Additional functions */
  306. };
  307. struct ocelot_pincfg_data {
  308. u8 pd_bit;
  309. u8 pu_bit;
  310. u8 drive_bits;
  311. u8 schmitt_bit;
  312. };
  313. struct ocelot_pinctrl {
  314. struct device *dev;
  315. struct pinctrl_dev *pctl;
  316. struct gpio_chip gpio_chip;
  317. struct regmap *map;
  318. struct regmap *pincfg;
  319. struct pinctrl_desc *desc;
  320. const struct ocelot_pincfg_data *pincfg_data;
  321. struct ocelot_pmx_func func[FUNC_MAX];
  322. u8 stride;
  323. struct workqueue_struct *wq;
  324. };
  325. struct ocelot_match_data {
  326. struct pinctrl_desc desc;
  327. struct ocelot_pincfg_data pincfg_data;
  328. };
  329. struct ocelot_irq_work {
  330. struct work_struct irq_work;
  331. struct irq_desc *irq_desc;
  332. };
  333. #define LUTON_P(p, f0, f1) \
  334. static struct ocelot_pin_caps luton_pin_##p = { \
  335. .pin = p, \
  336. .functions = { \
  337. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE, \
  338. }, \
  339. }
  340. LUTON_P(0, SG0, NONE);
  341. LUTON_P(1, SG0, NONE);
  342. LUTON_P(2, SG0, NONE);
  343. LUTON_P(3, SG0, NONE);
  344. LUTON_P(4, TACHO, NONE);
  345. LUTON_P(5, TWI, PHY_LED);
  346. LUTON_P(6, TWI, PHY_LED);
  347. LUTON_P(7, NONE, PHY_LED);
  348. LUTON_P(8, EXT_IRQ, PHY_LED);
  349. LUTON_P(9, EXT_IRQ, PHY_LED);
  350. LUTON_P(10, SFP, PHY_LED);
  351. LUTON_P(11, SFP, PHY_LED);
  352. LUTON_P(12, SFP, PHY_LED);
  353. LUTON_P(13, SFP, PHY_LED);
  354. LUTON_P(14, SI, PHY_LED);
  355. LUTON_P(15, SI, PHY_LED);
  356. LUTON_P(16, SI, PHY_LED);
  357. LUTON_P(17, SFP, PHY_LED);
  358. LUTON_P(18, SFP, PHY_LED);
  359. LUTON_P(19, SFP, PHY_LED);
  360. LUTON_P(20, SFP, PHY_LED);
  361. LUTON_P(21, SFP, PHY_LED);
  362. LUTON_P(22, SFP, PHY_LED);
  363. LUTON_P(23, SFP, PHY_LED);
  364. LUTON_P(24, SFP, PHY_LED);
  365. LUTON_P(25, SFP, PHY_LED);
  366. LUTON_P(26, SFP, PHY_LED);
  367. LUTON_P(27, SFP, PHY_LED);
  368. LUTON_P(28, SFP, PHY_LED);
  369. LUTON_P(29, PWM, NONE);
  370. LUTON_P(30, UART, NONE);
  371. LUTON_P(31, UART, NONE);
  372. #define LUTON_PIN(n) { \
  373. .number = n, \
  374. .name = "GPIO_"#n, \
  375. .drv_data = &luton_pin_##n \
  376. }
  377. static const struct pinctrl_pin_desc luton_pins[] = {
  378. LUTON_PIN(0),
  379. LUTON_PIN(1),
  380. LUTON_PIN(2),
  381. LUTON_PIN(3),
  382. LUTON_PIN(4),
  383. LUTON_PIN(5),
  384. LUTON_PIN(6),
  385. LUTON_PIN(7),
  386. LUTON_PIN(8),
  387. LUTON_PIN(9),
  388. LUTON_PIN(10),
  389. LUTON_PIN(11),
  390. LUTON_PIN(12),
  391. LUTON_PIN(13),
  392. LUTON_PIN(14),
  393. LUTON_PIN(15),
  394. LUTON_PIN(16),
  395. LUTON_PIN(17),
  396. LUTON_PIN(18),
  397. LUTON_PIN(19),
  398. LUTON_PIN(20),
  399. LUTON_PIN(21),
  400. LUTON_PIN(22),
  401. LUTON_PIN(23),
  402. LUTON_PIN(24),
  403. LUTON_PIN(25),
  404. LUTON_PIN(26),
  405. LUTON_PIN(27),
  406. LUTON_PIN(28),
  407. LUTON_PIN(29),
  408. LUTON_PIN(30),
  409. LUTON_PIN(31),
  410. };
  411. #define SERVAL_P(p, f0, f1, f2) \
  412. static struct ocelot_pin_caps serval_pin_##p = { \
  413. .pin = p, \
  414. .functions = { \
  415. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  416. }, \
  417. }
  418. SERVAL_P(0, SG0, NONE, NONE);
  419. SERVAL_P(1, SG0, NONE, NONE);
  420. SERVAL_P(2, SG0, NONE, NONE);
  421. SERVAL_P(3, SG0, NONE, NONE);
  422. SERVAL_P(4, TACHO, NONE, NONE);
  423. SERVAL_P(5, PWM, NONE, NONE);
  424. SERVAL_P(6, TWI, NONE, NONE);
  425. SERVAL_P(7, TWI, NONE, NONE);
  426. SERVAL_P(8, SI, NONE, NONE);
  427. SERVAL_P(9, SI, MD, NONE);
  428. SERVAL_P(10, SI, MD, NONE);
  429. SERVAL_P(11, SFP, MD, TWI_SCL_M);
  430. SERVAL_P(12, SFP, MD, TWI_SCL_M);
  431. SERVAL_P(13, SFP, UART2, TWI_SCL_M);
  432. SERVAL_P(14, SFP, UART2, TWI_SCL_M);
  433. SERVAL_P(15, SFP, PTP0, TWI_SCL_M);
  434. SERVAL_P(16, SFP, PTP0, TWI_SCL_M);
  435. SERVAL_P(17, SFP, PCI_WAKE, TWI_SCL_M);
  436. SERVAL_P(18, SFP, NONE, TWI_SCL_M);
  437. SERVAL_P(19, SFP, NONE, TWI_SCL_M);
  438. SERVAL_P(20, SFP, NONE, TWI_SCL_M);
  439. SERVAL_P(21, SFP, NONE, TWI_SCL_M);
  440. SERVAL_P(22, NONE, NONE, NONE);
  441. SERVAL_P(23, NONE, NONE, NONE);
  442. SERVAL_P(24, NONE, NONE, NONE);
  443. SERVAL_P(25, NONE, NONE, NONE);
  444. SERVAL_P(26, UART, NONE, NONE);
  445. SERVAL_P(27, UART, NONE, NONE);
  446. SERVAL_P(28, IRQ0, NONE, NONE);
  447. SERVAL_P(29, IRQ1, NONE, NONE);
  448. SERVAL_P(30, PTP0, NONE, NONE);
  449. SERVAL_P(31, PTP0, NONE, NONE);
  450. #define SERVAL_PIN(n) { \
  451. .number = n, \
  452. .name = "GPIO_"#n, \
  453. .drv_data = &serval_pin_##n \
  454. }
  455. static const struct pinctrl_pin_desc serval_pins[] = {
  456. SERVAL_PIN(0),
  457. SERVAL_PIN(1),
  458. SERVAL_PIN(2),
  459. SERVAL_PIN(3),
  460. SERVAL_PIN(4),
  461. SERVAL_PIN(5),
  462. SERVAL_PIN(6),
  463. SERVAL_PIN(7),
  464. SERVAL_PIN(8),
  465. SERVAL_PIN(9),
  466. SERVAL_PIN(10),
  467. SERVAL_PIN(11),
  468. SERVAL_PIN(12),
  469. SERVAL_PIN(13),
  470. SERVAL_PIN(14),
  471. SERVAL_PIN(15),
  472. SERVAL_PIN(16),
  473. SERVAL_PIN(17),
  474. SERVAL_PIN(18),
  475. SERVAL_PIN(19),
  476. SERVAL_PIN(20),
  477. SERVAL_PIN(21),
  478. SERVAL_PIN(22),
  479. SERVAL_PIN(23),
  480. SERVAL_PIN(24),
  481. SERVAL_PIN(25),
  482. SERVAL_PIN(26),
  483. SERVAL_PIN(27),
  484. SERVAL_PIN(28),
  485. SERVAL_PIN(29),
  486. SERVAL_PIN(30),
  487. SERVAL_PIN(31),
  488. };
  489. #define OCELOT_P(p, f0, f1, f2) \
  490. static struct ocelot_pin_caps ocelot_pin_##p = { \
  491. .pin = p, \
  492. .functions = { \
  493. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  494. }, \
  495. }
  496. OCELOT_P(0, SG0, NONE, NONE);
  497. OCELOT_P(1, SG0, NONE, NONE);
  498. OCELOT_P(2, SG0, NONE, NONE);
  499. OCELOT_P(3, SG0, NONE, NONE);
  500. OCELOT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
  501. OCELOT_P(5, IRQ1_IN, IRQ1_OUT, PCI_WAKE);
  502. OCELOT_P(6, UART, TWI_SCL_M, NONE);
  503. OCELOT_P(7, UART, TWI_SCL_M, NONE);
  504. OCELOT_P(8, SI, TWI_SCL_M, IRQ0_OUT);
  505. OCELOT_P(9, SI, TWI_SCL_M, IRQ1_OUT);
  506. OCELOT_P(10, PTP2, TWI_SCL_M, SFP);
  507. OCELOT_P(11, PTP3, TWI_SCL_M, SFP);
  508. OCELOT_P(12, UART2, TWI_SCL_M, SFP);
  509. OCELOT_P(13, UART2, TWI_SCL_M, SFP);
  510. OCELOT_P(14, MIIM, TWI_SCL_M, SFP);
  511. OCELOT_P(15, MIIM, TWI_SCL_M, SFP);
  512. OCELOT_P(16, TWI, NONE, SI);
  513. OCELOT_P(17, TWI, TWI_SCL_M, SI);
  514. OCELOT_P(18, PTP0, TWI_SCL_M, NONE);
  515. OCELOT_P(19, PTP1, TWI_SCL_M, NONE);
  516. OCELOT_P(20, RECO_CLK, TACHO, TWI_SCL_M);
  517. OCELOT_P(21, RECO_CLK, PWM, TWI_SCL_M);
  518. #define OCELOT_PIN(n) { \
  519. .number = n, \
  520. .name = "GPIO_"#n, \
  521. .drv_data = &ocelot_pin_##n \
  522. }
  523. static const struct pinctrl_pin_desc ocelot_pins[] = {
  524. OCELOT_PIN(0),
  525. OCELOT_PIN(1),
  526. OCELOT_PIN(2),
  527. OCELOT_PIN(3),
  528. OCELOT_PIN(4),
  529. OCELOT_PIN(5),
  530. OCELOT_PIN(6),
  531. OCELOT_PIN(7),
  532. OCELOT_PIN(8),
  533. OCELOT_PIN(9),
  534. OCELOT_PIN(10),
  535. OCELOT_PIN(11),
  536. OCELOT_PIN(12),
  537. OCELOT_PIN(13),
  538. OCELOT_PIN(14),
  539. OCELOT_PIN(15),
  540. OCELOT_PIN(16),
  541. OCELOT_PIN(17),
  542. OCELOT_PIN(18),
  543. OCELOT_PIN(19),
  544. OCELOT_PIN(20),
  545. OCELOT_PIN(21),
  546. };
  547. #define JAGUAR2_P(p, f0, f1) \
  548. static struct ocelot_pin_caps jaguar2_pin_##p = { \
  549. .pin = p, \
  550. .functions = { \
  551. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE \
  552. }, \
  553. }
  554. JAGUAR2_P(0, SG0, NONE);
  555. JAGUAR2_P(1, SG0, NONE);
  556. JAGUAR2_P(2, SG0, NONE);
  557. JAGUAR2_P(3, SG0, NONE);
  558. JAGUAR2_P(4, SG1, NONE);
  559. JAGUAR2_P(5, SG1, NONE);
  560. JAGUAR2_P(6, IRQ0_IN, IRQ0_OUT);
  561. JAGUAR2_P(7, IRQ1_IN, IRQ1_OUT);
  562. JAGUAR2_P(8, PTP0, NONE);
  563. JAGUAR2_P(9, PTP1, NONE);
  564. JAGUAR2_P(10, UART, NONE);
  565. JAGUAR2_P(11, UART, NONE);
  566. JAGUAR2_P(12, SG1, NONE);
  567. JAGUAR2_P(13, SG1, NONE);
  568. JAGUAR2_P(14, TWI, TWI_SCL_M);
  569. JAGUAR2_P(15, TWI, NONE);
  570. JAGUAR2_P(16, SI, TWI_SCL_M);
  571. JAGUAR2_P(17, SI, TWI_SCL_M);
  572. JAGUAR2_P(18, SI, TWI_SCL_M);
  573. JAGUAR2_P(19, PCI_WAKE, NONE);
  574. JAGUAR2_P(20, IRQ0_OUT, TWI_SCL_M);
  575. JAGUAR2_P(21, IRQ1_OUT, TWI_SCL_M);
  576. JAGUAR2_P(22, TACHO, NONE);
  577. JAGUAR2_P(23, PWM, NONE);
  578. JAGUAR2_P(24, UART2, NONE);
  579. JAGUAR2_P(25, UART2, SI);
  580. JAGUAR2_P(26, PTP2, SI);
  581. JAGUAR2_P(27, PTP3, SI);
  582. JAGUAR2_P(28, TWI2, SI);
  583. JAGUAR2_P(29, TWI2, SI);
  584. JAGUAR2_P(30, SG2, SI);
  585. JAGUAR2_P(31, SG2, SI);
  586. JAGUAR2_P(32, SG2, SI);
  587. JAGUAR2_P(33, SG2, SI);
  588. JAGUAR2_P(34, NONE, TWI_SCL_M);
  589. JAGUAR2_P(35, NONE, TWI_SCL_M);
  590. JAGUAR2_P(36, NONE, TWI_SCL_M);
  591. JAGUAR2_P(37, NONE, TWI_SCL_M);
  592. JAGUAR2_P(38, NONE, TWI_SCL_M);
  593. JAGUAR2_P(39, NONE, TWI_SCL_M);
  594. JAGUAR2_P(40, NONE, TWI_SCL_M);
  595. JAGUAR2_P(41, NONE, TWI_SCL_M);
  596. JAGUAR2_P(42, NONE, TWI_SCL_M);
  597. JAGUAR2_P(43, NONE, TWI_SCL_M);
  598. JAGUAR2_P(44, NONE, SFP);
  599. JAGUAR2_P(45, NONE, SFP);
  600. JAGUAR2_P(46, NONE, SFP);
  601. JAGUAR2_P(47, NONE, SFP);
  602. JAGUAR2_P(48, SFP, NONE);
  603. JAGUAR2_P(49, SFP, SI);
  604. JAGUAR2_P(50, SFP, SI);
  605. JAGUAR2_P(51, SFP, SI);
  606. JAGUAR2_P(52, SFP, NONE);
  607. JAGUAR2_P(53, SFP, NONE);
  608. JAGUAR2_P(54, SFP, NONE);
  609. JAGUAR2_P(55, SFP, NONE);
  610. JAGUAR2_P(56, MIIM, SFP);
  611. JAGUAR2_P(57, MIIM, SFP);
  612. JAGUAR2_P(58, MIIM, SFP);
  613. JAGUAR2_P(59, MIIM, SFP);
  614. JAGUAR2_P(60, NONE, NONE);
  615. JAGUAR2_P(61, NONE, NONE);
  616. JAGUAR2_P(62, NONE, NONE);
  617. JAGUAR2_P(63, NONE, NONE);
  618. #define JAGUAR2_PIN(n) { \
  619. .number = n, \
  620. .name = "GPIO_"#n, \
  621. .drv_data = &jaguar2_pin_##n \
  622. }
  623. static const struct pinctrl_pin_desc jaguar2_pins[] = {
  624. JAGUAR2_PIN(0),
  625. JAGUAR2_PIN(1),
  626. JAGUAR2_PIN(2),
  627. JAGUAR2_PIN(3),
  628. JAGUAR2_PIN(4),
  629. JAGUAR2_PIN(5),
  630. JAGUAR2_PIN(6),
  631. JAGUAR2_PIN(7),
  632. JAGUAR2_PIN(8),
  633. JAGUAR2_PIN(9),
  634. JAGUAR2_PIN(10),
  635. JAGUAR2_PIN(11),
  636. JAGUAR2_PIN(12),
  637. JAGUAR2_PIN(13),
  638. JAGUAR2_PIN(14),
  639. JAGUAR2_PIN(15),
  640. JAGUAR2_PIN(16),
  641. JAGUAR2_PIN(17),
  642. JAGUAR2_PIN(18),
  643. JAGUAR2_PIN(19),
  644. JAGUAR2_PIN(20),
  645. JAGUAR2_PIN(21),
  646. JAGUAR2_PIN(22),
  647. JAGUAR2_PIN(23),
  648. JAGUAR2_PIN(24),
  649. JAGUAR2_PIN(25),
  650. JAGUAR2_PIN(26),
  651. JAGUAR2_PIN(27),
  652. JAGUAR2_PIN(28),
  653. JAGUAR2_PIN(29),
  654. JAGUAR2_PIN(30),
  655. JAGUAR2_PIN(31),
  656. JAGUAR2_PIN(32),
  657. JAGUAR2_PIN(33),
  658. JAGUAR2_PIN(34),
  659. JAGUAR2_PIN(35),
  660. JAGUAR2_PIN(36),
  661. JAGUAR2_PIN(37),
  662. JAGUAR2_PIN(38),
  663. JAGUAR2_PIN(39),
  664. JAGUAR2_PIN(40),
  665. JAGUAR2_PIN(41),
  666. JAGUAR2_PIN(42),
  667. JAGUAR2_PIN(43),
  668. JAGUAR2_PIN(44),
  669. JAGUAR2_PIN(45),
  670. JAGUAR2_PIN(46),
  671. JAGUAR2_PIN(47),
  672. JAGUAR2_PIN(48),
  673. JAGUAR2_PIN(49),
  674. JAGUAR2_PIN(50),
  675. JAGUAR2_PIN(51),
  676. JAGUAR2_PIN(52),
  677. JAGUAR2_PIN(53),
  678. JAGUAR2_PIN(54),
  679. JAGUAR2_PIN(55),
  680. JAGUAR2_PIN(56),
  681. JAGUAR2_PIN(57),
  682. JAGUAR2_PIN(58),
  683. JAGUAR2_PIN(59),
  684. JAGUAR2_PIN(60),
  685. JAGUAR2_PIN(61),
  686. JAGUAR2_PIN(62),
  687. JAGUAR2_PIN(63),
  688. };
  689. #define SERVALT_P(p, f0, f1, f2) \
  690. static struct ocelot_pin_caps servalt_pin_##p = { \
  691. .pin = p, \
  692. .functions = { \
  693. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
  694. }, \
  695. }
  696. SERVALT_P(0, SG0, NONE, NONE);
  697. SERVALT_P(1, SG0, NONE, NONE);
  698. SERVALT_P(2, SG0, NONE, NONE);
  699. SERVALT_P(3, SG0, NONE, NONE);
  700. SERVALT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
  701. SERVALT_P(5, IRQ1_IN, IRQ1_OUT, TWI_SCL_M);
  702. SERVALT_P(6, UART, NONE, NONE);
  703. SERVALT_P(7, UART, NONE, NONE);
  704. SERVALT_P(8, SI, SFP, TWI_SCL_M);
  705. SERVALT_P(9, PCI_WAKE, SFP, SI);
  706. SERVALT_P(10, PTP0, SFP, TWI_SCL_M);
  707. SERVALT_P(11, PTP1, SFP, TWI_SCL_M);
  708. SERVALT_P(12, REF_CLK, SFP, TWI_SCL_M);
  709. SERVALT_P(13, REF_CLK, SFP, TWI_SCL_M);
  710. SERVALT_P(14, REF_CLK, IRQ0_OUT, SI);
  711. SERVALT_P(15, REF_CLK, IRQ1_OUT, SI);
  712. SERVALT_P(16, TACHO, SFP, SI);
  713. SERVALT_P(17, PWM, NONE, TWI_SCL_M);
  714. SERVALT_P(18, PTP2, SFP, SI);
  715. SERVALT_P(19, PTP3, SFP, SI);
  716. SERVALT_P(20, UART2, SFP, SI);
  717. SERVALT_P(21, UART2, NONE, NONE);
  718. SERVALT_P(22, MIIM, SFP, TWI2);
  719. SERVALT_P(23, MIIM, SFP, TWI2);
  720. SERVALT_P(24, TWI, NONE, NONE);
  721. SERVALT_P(25, TWI, SFP, TWI_SCL_M);
  722. SERVALT_P(26, TWI_SCL_M, SFP, SI);
  723. SERVALT_P(27, TWI_SCL_M, SFP, SI);
  724. SERVALT_P(28, TWI_SCL_M, SFP, SI);
  725. SERVALT_P(29, TWI_SCL_M, NONE, NONE);
  726. SERVALT_P(30, TWI_SCL_M, NONE, NONE);
  727. SERVALT_P(31, TWI_SCL_M, NONE, NONE);
  728. SERVALT_P(32, TWI_SCL_M, NONE, NONE);
  729. SERVALT_P(33, RCVRD_CLK, NONE, NONE);
  730. SERVALT_P(34, RCVRD_CLK, NONE, NONE);
  731. SERVALT_P(35, RCVRD_CLK, NONE, NONE);
  732. SERVALT_P(36, RCVRD_CLK, NONE, NONE);
  733. #define SERVALT_PIN(n) { \
  734. .number = n, \
  735. .name = "GPIO_"#n, \
  736. .drv_data = &servalt_pin_##n \
  737. }
  738. static const struct pinctrl_pin_desc servalt_pins[] = {
  739. SERVALT_PIN(0),
  740. SERVALT_PIN(1),
  741. SERVALT_PIN(2),
  742. SERVALT_PIN(3),
  743. SERVALT_PIN(4),
  744. SERVALT_PIN(5),
  745. SERVALT_PIN(6),
  746. SERVALT_PIN(7),
  747. SERVALT_PIN(8),
  748. SERVALT_PIN(9),
  749. SERVALT_PIN(10),
  750. SERVALT_PIN(11),
  751. SERVALT_PIN(12),
  752. SERVALT_PIN(13),
  753. SERVALT_PIN(14),
  754. SERVALT_PIN(15),
  755. SERVALT_PIN(16),
  756. SERVALT_PIN(17),
  757. SERVALT_PIN(18),
  758. SERVALT_PIN(19),
  759. SERVALT_PIN(20),
  760. SERVALT_PIN(21),
  761. SERVALT_PIN(22),
  762. SERVALT_PIN(23),
  763. SERVALT_PIN(24),
  764. SERVALT_PIN(25),
  765. SERVALT_PIN(26),
  766. SERVALT_PIN(27),
  767. SERVALT_PIN(28),
  768. SERVALT_PIN(29),
  769. SERVALT_PIN(30),
  770. SERVALT_PIN(31),
  771. SERVALT_PIN(32),
  772. SERVALT_PIN(33),
  773. SERVALT_PIN(34),
  774. SERVALT_PIN(35),
  775. SERVALT_PIN(36),
  776. };
  777. #define SPARX5_P(p, f0, f1, f2) \
  778. static struct ocelot_pin_caps sparx5_pin_##p = { \
  779. .pin = p, \
  780. .functions = { \
  781. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
  782. }, \
  783. }
  784. SPARX5_P(0, SG0, PLL_STAT, NONE);
  785. SPARX5_P(1, SG0, NONE, NONE);
  786. SPARX5_P(2, SG0, NONE, NONE);
  787. SPARX5_P(3, SG0, NONE, NONE);
  788. SPARX5_P(4, SG1, NONE, NONE);
  789. SPARX5_P(5, SG1, NONE, NONE);
  790. SPARX5_P(6, IRQ0_IN, IRQ0_OUT, SFP);
  791. SPARX5_P(7, IRQ1_IN, IRQ1_OUT, SFP);
  792. SPARX5_P(8, PTP0, NONE, SFP);
  793. SPARX5_P(9, PTP1, SFP, TWI_SCL_M);
  794. SPARX5_P(10, UART, NONE, NONE);
  795. SPARX5_P(11, UART, NONE, NONE);
  796. SPARX5_P(12, SG1, NONE, NONE);
  797. SPARX5_P(13, SG1, NONE, NONE);
  798. SPARX5_P(14, TWI, TWI_SCL_M, NONE);
  799. SPARX5_P(15, TWI, NONE, NONE);
  800. SPARX5_P(16, SI, TWI_SCL_M, SFP);
  801. SPARX5_P(17, SI, TWI_SCL_M, SFP);
  802. SPARX5_P(18, SI, TWI_SCL_M, SFP);
  803. SPARX5_P(19, PCI_WAKE, TWI_SCL_M, SFP);
  804. SPARX5_P(20, IRQ0_OUT, TWI_SCL_M, SFP);
  805. SPARX5_P(21, IRQ1_OUT, TACHO, SFP);
  806. SPARX5_P(22, TACHO, IRQ0_OUT, TWI_SCL_M);
  807. SPARX5_P(23, PWM, UART3, TWI_SCL_M);
  808. SPARX5_P(24, PTP2, UART3, TWI_SCL_M);
  809. SPARX5_P(25, PTP3, SI, TWI_SCL_M);
  810. SPARX5_P(26, UART2, SI, TWI_SCL_M);
  811. SPARX5_P(27, UART2, SI, TWI_SCL_M);
  812. SPARX5_P(28, TWI2, SI, SFP);
  813. SPARX5_P(29, TWI2, SI, SFP);
  814. SPARX5_P(30, SG2, SI, PWM);
  815. SPARX5_P(31, SG2, SI, TWI_SCL_M);
  816. SPARX5_P(32, SG2, SI, TWI_SCL_M);
  817. SPARX5_P(33, SG2, SI, SFP);
  818. SPARX5_P(34, NONE, TWI_SCL_M, EMMC);
  819. SPARX5_P(35, SFP, TWI_SCL_M, EMMC);
  820. SPARX5_P(36, SFP, TWI_SCL_M, EMMC);
  821. SPARX5_P(37, SFP, NONE, EMMC);
  822. SPARX5_P(38, NONE, TWI_SCL_M, EMMC);
  823. SPARX5_P(39, SI2, TWI_SCL_M, EMMC);
  824. SPARX5_P(40, SI2, TWI_SCL_M, EMMC);
  825. SPARX5_P(41, SI2, TWI_SCL_M, EMMC);
  826. SPARX5_P(42, SI2, TWI_SCL_M, EMMC);
  827. SPARX5_P(43, SI2, TWI_SCL_M, EMMC);
  828. SPARX5_P(44, SI, SFP, EMMC);
  829. SPARX5_P(45, SI, SFP, EMMC);
  830. SPARX5_P(46, NONE, SFP, EMMC);
  831. SPARX5_P(47, NONE, SFP, EMMC);
  832. SPARX5_P(48, TWI3, SI, SFP);
  833. SPARX5_P(49, TWI3, NONE, SFP);
  834. SPARX5_P(50, SFP, NONE, TWI_SCL_M);
  835. SPARX5_P(51, SFP, SI, TWI_SCL_M);
  836. SPARX5_P(52, SFP, MIIM, TWI_SCL_M);
  837. SPARX5_P(53, SFP, MIIM, TWI_SCL_M);
  838. SPARX5_P(54, SFP, PTP2, TWI_SCL_M);
  839. SPARX5_P(55, SFP, PTP3, PCI_WAKE);
  840. SPARX5_P(56, MIIM, SFP, TWI_SCL_M);
  841. SPARX5_P(57, MIIM, SFP, TWI_SCL_M);
  842. SPARX5_P(58, MIIM, SFP, TWI_SCL_M);
  843. SPARX5_P(59, MIIM, SFP, NONE);
  844. SPARX5_P(60, RECO_CLK, NONE, NONE);
  845. SPARX5_P(61, RECO_CLK, NONE, NONE);
  846. SPARX5_P(62, RECO_CLK, PLL_STAT, NONE);
  847. SPARX5_P(63, RECO_CLK, NONE, NONE);
  848. #define SPARX5_PIN(n) { \
  849. .number = n, \
  850. .name = "GPIO_"#n, \
  851. .drv_data = &sparx5_pin_##n \
  852. }
  853. static const struct pinctrl_pin_desc sparx5_pins[] = {
  854. SPARX5_PIN(0),
  855. SPARX5_PIN(1),
  856. SPARX5_PIN(2),
  857. SPARX5_PIN(3),
  858. SPARX5_PIN(4),
  859. SPARX5_PIN(5),
  860. SPARX5_PIN(6),
  861. SPARX5_PIN(7),
  862. SPARX5_PIN(8),
  863. SPARX5_PIN(9),
  864. SPARX5_PIN(10),
  865. SPARX5_PIN(11),
  866. SPARX5_PIN(12),
  867. SPARX5_PIN(13),
  868. SPARX5_PIN(14),
  869. SPARX5_PIN(15),
  870. SPARX5_PIN(16),
  871. SPARX5_PIN(17),
  872. SPARX5_PIN(18),
  873. SPARX5_PIN(19),
  874. SPARX5_PIN(20),
  875. SPARX5_PIN(21),
  876. SPARX5_PIN(22),
  877. SPARX5_PIN(23),
  878. SPARX5_PIN(24),
  879. SPARX5_PIN(25),
  880. SPARX5_PIN(26),
  881. SPARX5_PIN(27),
  882. SPARX5_PIN(28),
  883. SPARX5_PIN(29),
  884. SPARX5_PIN(30),
  885. SPARX5_PIN(31),
  886. SPARX5_PIN(32),
  887. SPARX5_PIN(33),
  888. SPARX5_PIN(34),
  889. SPARX5_PIN(35),
  890. SPARX5_PIN(36),
  891. SPARX5_PIN(37),
  892. SPARX5_PIN(38),
  893. SPARX5_PIN(39),
  894. SPARX5_PIN(40),
  895. SPARX5_PIN(41),
  896. SPARX5_PIN(42),
  897. SPARX5_PIN(43),
  898. SPARX5_PIN(44),
  899. SPARX5_PIN(45),
  900. SPARX5_PIN(46),
  901. SPARX5_PIN(47),
  902. SPARX5_PIN(48),
  903. SPARX5_PIN(49),
  904. SPARX5_PIN(50),
  905. SPARX5_PIN(51),
  906. SPARX5_PIN(52),
  907. SPARX5_PIN(53),
  908. SPARX5_PIN(54),
  909. SPARX5_PIN(55),
  910. SPARX5_PIN(56),
  911. SPARX5_PIN(57),
  912. SPARX5_PIN(58),
  913. SPARX5_PIN(59),
  914. SPARX5_PIN(60),
  915. SPARX5_PIN(61),
  916. SPARX5_PIN(62),
  917. SPARX5_PIN(63),
  918. };
  919. #define LAN966X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \
  920. static struct ocelot_pin_caps lan966x_pin_##p = { \
  921. .pin = p, \
  922. .functions = { \
  923. FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  924. FUNC_##f3 \
  925. }, \
  926. .a_functions = { \
  927. FUNC_##f4, FUNC_##f5, FUNC_##f6, \
  928. FUNC_##f7 \
  929. }, \
  930. }
  931. /* Pinmuxing table taken from data sheet */
  932. /* Pin FUNC0 FUNC1 FUNC2 FUNC3 FUNC4 FUNC5 FUNC6 FUNC7 */
  933. LAN966X_P(0, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  934. LAN966X_P(1, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  935. LAN966X_P(2, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  936. LAN966X_P(3, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  937. LAN966X_P(4, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  938. LAN966X_P(5, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  939. LAN966X_P(6, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  940. LAN966X_P(7, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  941. LAN966X_P(8, GPIO, FC0_a, USB_H_b, NONE, USB_S_b, NONE, NONE, R);
  942. LAN966X_P(9, GPIO, FC0_a, USB_H_b, NONE, NONE, NONE, NONE, R);
  943. LAN966X_P(10, GPIO, FC0_a, NONE, NONE, NONE, NONE, NONE, R);
  944. LAN966X_P(11, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  945. LAN966X_P(12, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  946. LAN966X_P(13, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  947. LAN966X_P(14, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R);
  948. LAN966X_P(15, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R);
  949. LAN966X_P(16, GPIO, FC2_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  950. LAN966X_P(17, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  951. LAN966X_P(18, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  952. LAN966X_P(19, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  953. LAN966X_P(20, GPIO, FC4_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, NONE, R);
  954. LAN966X_P(21, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  955. LAN966X_P(22, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  956. LAN966X_P(23, GPIO, NONE, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  957. LAN966X_P(24, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_IN_c, TACHO_a, R);
  958. LAN966X_P(25, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_OUT_c, SFP_SD, R);
  959. LAN966X_P(26, GPIO, FC0_b, IB_TRG_a, USB_S_c, OB_TRG_a, CAN0_a, SFP_SD, R);
  960. LAN966X_P(27, GPIO, NONE, NONE, NONE, OB_TRG_a, CAN0_a, PWM_a, R);
  961. LAN966X_P(28, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, IRQ_OUT_c, SFP_SD, R);
  962. LAN966X_P(29, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  963. LAN966X_P(30, GPIO, FC3_c, CAN1, CLKMON, OB_TRG, RECO_b, NONE, R);
  964. LAN966X_P(31, GPIO, FC3_c, CAN1, CLKMON, OB_TRG, RECO_b, NONE, R);
  965. LAN966X_P(32, GPIO, FC3_c, NONE, SGPIO_a, NONE, MIIM_Sa, NONE, R);
  966. LAN966X_P(33, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R);
  967. LAN966X_P(34, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R);
  968. LAN966X_P(35, GPIO, FC1_b, PTPSYNC_0, SGPIO_a, CAN0_b, NONE, NONE, R);
  969. LAN966X_P(36, GPIO, NONE, PTPSYNC_1, NONE, CAN0_b, NONE, NONE, R);
  970. LAN966X_P(37, GPIO, FC_SHRD0, PTPSYNC_2, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  971. LAN966X_P(38, GPIO, NONE, PTPSYNC_3, NONE, NONE, NONE, NONE, R);
  972. LAN966X_P(39, GPIO, NONE, PTPSYNC_4, NONE, NONE, NONE, NONE, R);
  973. LAN966X_P(40, GPIO, FC_SHRD1, PTPSYNC_5, NONE, NONE, NONE, NONE, R);
  974. LAN966X_P(41, GPIO, FC_SHRD2, PTPSYNC_6, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  975. LAN966X_P(42, GPIO, FC_SHRD3, PTPSYNC_7, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  976. LAN966X_P(43, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R);
  977. LAN966X_P(44, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R);
  978. LAN966X_P(45, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, NONE, IRQ_IN_a, R);
  979. LAN966X_P(46, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD4, IRQ_IN_a, R);
  980. LAN966X_P(47, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN_a, R);
  981. LAN966X_P(48, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a, R);
  982. LAN966X_P(49, GPIO, FC_SHRD7, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a, R);
  983. LAN966X_P(50, GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE, R);
  984. LAN966X_P(51, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, PWM_b, IRQ_IN_b, R);
  985. LAN966X_P(52, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b, IRQ_IN_b, R);
  986. LAN966X_P(53, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, NONE, IRQ_IN_b, R);
  987. LAN966X_P(54, GPIO, FC_SHRD8, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R);
  988. LAN966X_P(55, GPIO, FC_SHRD9, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R);
  989. LAN966X_P(56, GPIO, FC4_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, FC_SHRD10, IRQ_IN_b, R);
  990. LAN966X_P(57, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD11, IRQ_IN_b, R);
  991. LAN966X_P(58, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD12, IRQ_IN_b, R);
  992. LAN966X_P(59, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R);
  993. LAN966X_P(60, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R);
  994. LAN966X_P(61, GPIO, QSPI1, NONE, SGPIO_b, FC0_c, MIIM_Sb, NONE, R);
  995. LAN966X_P(62, GPIO, QSPI1, FC_SHRD13, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R);
  996. LAN966X_P(63, GPIO, QSPI1, FC_SHRD14, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R);
  997. LAN966X_P(64, GPIO, QSPI1, FC4_c, SGPIO_b, FC_SHRD15, TWI_SLC_GATE, SFP_SD, R);
  998. LAN966X_P(65, GPIO, USB_H_a, FC4_c, NONE, IRQ_OUT_c, TWI_SLC_GATE_AD, NONE, R);
  999. LAN966X_P(66, GPIO, USB_H_a, FC4_c, USB_S_a, IRQ_OUT_c, IRQ_IN_c, NONE, R);
  1000. LAN966X_P(67, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1001. LAN966X_P(68, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1002. LAN966X_P(69, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1003. LAN966X_P(70, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1004. LAN966X_P(71, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1005. LAN966X_P(72, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1006. LAN966X_P(73, GPIO, EMMC, NONE, NONE, SD, NONE, NONE, R);
  1007. LAN966X_P(74, GPIO, EMMC, NONE, FC_SHRD17, SD, TWI_SLC_GATE, NONE, R);
  1008. LAN966X_P(75, GPIO, EMMC, NONE, FC_SHRD18, SD, TWI_SLC_GATE, NONE, R);
  1009. LAN966X_P(76, GPIO, EMMC, NONE, FC_SHRD19, SD, TWI_SLC_GATE, NONE, R);
  1010. LAN966X_P(77, GPIO, EMMC_SD, NONE, FC_SHRD20, NONE, TWI_SLC_GATE, NONE, R);
  1011. #define LAN966X_PIN(n) { \
  1012. .number = n, \
  1013. .name = "GPIO_"#n, \
  1014. .drv_data = &lan966x_pin_##n \
  1015. }
  1016. static const struct pinctrl_pin_desc lan966x_pins[] = {
  1017. LAN966X_PIN(0),
  1018. LAN966X_PIN(1),
  1019. LAN966X_PIN(2),
  1020. LAN966X_PIN(3),
  1021. LAN966X_PIN(4),
  1022. LAN966X_PIN(5),
  1023. LAN966X_PIN(6),
  1024. LAN966X_PIN(7),
  1025. LAN966X_PIN(8),
  1026. LAN966X_PIN(9),
  1027. LAN966X_PIN(10),
  1028. LAN966X_PIN(11),
  1029. LAN966X_PIN(12),
  1030. LAN966X_PIN(13),
  1031. LAN966X_PIN(14),
  1032. LAN966X_PIN(15),
  1033. LAN966X_PIN(16),
  1034. LAN966X_PIN(17),
  1035. LAN966X_PIN(18),
  1036. LAN966X_PIN(19),
  1037. LAN966X_PIN(20),
  1038. LAN966X_PIN(21),
  1039. LAN966X_PIN(22),
  1040. LAN966X_PIN(23),
  1041. LAN966X_PIN(24),
  1042. LAN966X_PIN(25),
  1043. LAN966X_PIN(26),
  1044. LAN966X_PIN(27),
  1045. LAN966X_PIN(28),
  1046. LAN966X_PIN(29),
  1047. LAN966X_PIN(30),
  1048. LAN966X_PIN(31),
  1049. LAN966X_PIN(32),
  1050. LAN966X_PIN(33),
  1051. LAN966X_PIN(34),
  1052. LAN966X_PIN(35),
  1053. LAN966X_PIN(36),
  1054. LAN966X_PIN(37),
  1055. LAN966X_PIN(38),
  1056. LAN966X_PIN(39),
  1057. LAN966X_PIN(40),
  1058. LAN966X_PIN(41),
  1059. LAN966X_PIN(42),
  1060. LAN966X_PIN(43),
  1061. LAN966X_PIN(44),
  1062. LAN966X_PIN(45),
  1063. LAN966X_PIN(46),
  1064. LAN966X_PIN(47),
  1065. LAN966X_PIN(48),
  1066. LAN966X_PIN(49),
  1067. LAN966X_PIN(50),
  1068. LAN966X_PIN(51),
  1069. LAN966X_PIN(52),
  1070. LAN966X_PIN(53),
  1071. LAN966X_PIN(54),
  1072. LAN966X_PIN(55),
  1073. LAN966X_PIN(56),
  1074. LAN966X_PIN(57),
  1075. LAN966X_PIN(58),
  1076. LAN966X_PIN(59),
  1077. LAN966X_PIN(60),
  1078. LAN966X_PIN(61),
  1079. LAN966X_PIN(62),
  1080. LAN966X_PIN(63),
  1081. LAN966X_PIN(64),
  1082. LAN966X_PIN(65),
  1083. LAN966X_PIN(66),
  1084. LAN966X_PIN(67),
  1085. LAN966X_PIN(68),
  1086. LAN966X_PIN(69),
  1087. LAN966X_PIN(70),
  1088. LAN966X_PIN(71),
  1089. LAN966X_PIN(72),
  1090. LAN966X_PIN(73),
  1091. LAN966X_PIN(74),
  1092. LAN966X_PIN(75),
  1093. LAN966X_PIN(76),
  1094. LAN966X_PIN(77),
  1095. };
  1096. static int ocelot_get_functions_count(struct pinctrl_dev *pctldev)
  1097. {
  1098. return ARRAY_SIZE(ocelot_function_names);
  1099. }
  1100. static const char *ocelot_get_function_name(struct pinctrl_dev *pctldev,
  1101. unsigned int function)
  1102. {
  1103. return ocelot_function_names[function];
  1104. }
  1105. static int ocelot_get_function_groups(struct pinctrl_dev *pctldev,
  1106. unsigned int function,
  1107. const char *const **groups,
  1108. unsigned *const num_groups)
  1109. {
  1110. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1111. *groups = info->func[function].groups;
  1112. *num_groups = info->func[function].ngroups;
  1113. return 0;
  1114. }
  1115. static int ocelot_pin_function_idx(struct ocelot_pinctrl *info,
  1116. unsigned int pin, unsigned int function)
  1117. {
  1118. struct ocelot_pin_caps *p = info->desc->pins[pin].drv_data;
  1119. int i;
  1120. for (i = 0; i < OCELOT_FUNC_PER_PIN; i++) {
  1121. if (function == p->functions[i])
  1122. return i;
  1123. if (function == p->a_functions[i])
  1124. return i + OCELOT_FUNC_PER_PIN;
  1125. }
  1126. return -1;
  1127. }
  1128. #define REG_ALT(msb, info, p) (OCELOT_GPIO_ALT0 * (info)->stride + 4 * ((msb) + ((info)->stride * ((p) / 32))))
  1129. static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev,
  1130. unsigned int selector, unsigned int group)
  1131. {
  1132. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1133. struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
  1134. unsigned int p = pin->pin % 32;
  1135. int f;
  1136. f = ocelot_pin_function_idx(info, group, selector);
  1137. if (f < 0)
  1138. return -EINVAL;
  1139. /*
  1140. * f is encoded on two bits.
  1141. * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
  1142. * ALT[1]
  1143. * This is racy because both registers can't be updated at the same time
  1144. * but it doesn't matter much for now.
  1145. * Note: ALT0/ALT1 are organized specially for 64 gpio targets
  1146. */
  1147. regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
  1148. BIT(p), f << p);
  1149. regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
  1150. BIT(p), (f >> 1) << p);
  1151. return 0;
  1152. }
  1153. static int lan966x_pinmux_set_mux(struct pinctrl_dev *pctldev,
  1154. unsigned int selector, unsigned int group)
  1155. {
  1156. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1157. struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
  1158. unsigned int p = pin->pin % 32;
  1159. int f;
  1160. f = ocelot_pin_function_idx(info, group, selector);
  1161. if (f < 0)
  1162. return -EINVAL;
  1163. /*
  1164. * f is encoded on three bits.
  1165. * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
  1166. * ALT[1], bit 2 of f goes in BIT(pin) of ALT[2]
  1167. * This is racy because three registers can't be updated at the same time
  1168. * but it doesn't matter much for now.
  1169. * Note: ALT0/ALT1/ALT2 are organized specially for 78 gpio targets
  1170. */
  1171. regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
  1172. BIT(p), f << p);
  1173. regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
  1174. BIT(p), (f >> 1) << p);
  1175. regmap_update_bits(info->map, REG_ALT(2, info, pin->pin),
  1176. BIT(p), (f >> 2) << p);
  1177. return 0;
  1178. }
  1179. #define REG(r, info, p) ((r) * (info)->stride + (4 * ((p) / 32)))
  1180. static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev,
  1181. struct pinctrl_gpio_range *range,
  1182. unsigned int pin, bool input)
  1183. {
  1184. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1185. unsigned int p = pin % 32;
  1186. regmap_update_bits(info->map, REG(OCELOT_GPIO_OE, info, pin), BIT(p),
  1187. input ? 0 : BIT(p));
  1188. return 0;
  1189. }
  1190. static int ocelot_gpio_request_enable(struct pinctrl_dev *pctldev,
  1191. struct pinctrl_gpio_range *range,
  1192. unsigned int offset)
  1193. {
  1194. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1195. unsigned int p = offset % 32;
  1196. regmap_update_bits(info->map, REG_ALT(0, info, offset),
  1197. BIT(p), 0);
  1198. regmap_update_bits(info->map, REG_ALT(1, info, offset),
  1199. BIT(p), 0);
  1200. return 0;
  1201. }
  1202. static int lan966x_gpio_request_enable(struct pinctrl_dev *pctldev,
  1203. struct pinctrl_gpio_range *range,
  1204. unsigned int offset)
  1205. {
  1206. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1207. unsigned int p = offset % 32;
  1208. regmap_update_bits(info->map, REG_ALT(0, info, offset),
  1209. BIT(p), 0);
  1210. regmap_update_bits(info->map, REG_ALT(1, info, offset),
  1211. BIT(p), 0);
  1212. regmap_update_bits(info->map, REG_ALT(2, info, offset),
  1213. BIT(p), 0);
  1214. return 0;
  1215. }
  1216. static const struct pinmux_ops ocelot_pmx_ops = {
  1217. .get_functions_count = ocelot_get_functions_count,
  1218. .get_function_name = ocelot_get_function_name,
  1219. .get_function_groups = ocelot_get_function_groups,
  1220. .set_mux = ocelot_pinmux_set_mux,
  1221. .gpio_set_direction = ocelot_gpio_set_direction,
  1222. .gpio_request_enable = ocelot_gpio_request_enable,
  1223. };
  1224. static const struct pinmux_ops lan966x_pmx_ops = {
  1225. .get_functions_count = ocelot_get_functions_count,
  1226. .get_function_name = ocelot_get_function_name,
  1227. .get_function_groups = ocelot_get_function_groups,
  1228. .set_mux = lan966x_pinmux_set_mux,
  1229. .gpio_set_direction = ocelot_gpio_set_direction,
  1230. .gpio_request_enable = lan966x_gpio_request_enable,
  1231. };
  1232. static int ocelot_pctl_get_groups_count(struct pinctrl_dev *pctldev)
  1233. {
  1234. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1235. return info->desc->npins;
  1236. }
  1237. static const char *ocelot_pctl_get_group_name(struct pinctrl_dev *pctldev,
  1238. unsigned int group)
  1239. {
  1240. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1241. return info->desc->pins[group].name;
  1242. }
  1243. static int ocelot_pctl_get_group_pins(struct pinctrl_dev *pctldev,
  1244. unsigned int group,
  1245. const unsigned int **pins,
  1246. unsigned int *num_pins)
  1247. {
  1248. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1249. *pins = &info->desc->pins[group].number;
  1250. *num_pins = 1;
  1251. return 0;
  1252. }
  1253. static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
  1254. unsigned int pin,
  1255. unsigned int reg,
  1256. int *val)
  1257. {
  1258. int ret = -EOPNOTSUPP;
  1259. if (info->pincfg) {
  1260. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1261. u32 regcfg;
  1262. ret = regmap_read(info->pincfg,
  1263. pin * regmap_get_reg_stride(info->pincfg),
  1264. &regcfg);
  1265. if (ret)
  1266. return ret;
  1267. ret = 0;
  1268. switch (reg) {
  1269. case PINCONF_BIAS:
  1270. *val = regcfg & (opd->pd_bit | opd->pu_bit);
  1271. break;
  1272. case PINCONF_SCHMITT:
  1273. *val = regcfg & opd->schmitt_bit;
  1274. break;
  1275. case PINCONF_DRIVE_STRENGTH:
  1276. *val = regcfg & opd->drive_bits;
  1277. break;
  1278. default:
  1279. ret = -EOPNOTSUPP;
  1280. break;
  1281. }
  1282. }
  1283. return ret;
  1284. }
  1285. static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr,
  1286. u32 clrbits, u32 setbits)
  1287. {
  1288. u32 val;
  1289. int ret;
  1290. ret = regmap_read(info->pincfg,
  1291. regaddr * regmap_get_reg_stride(info->pincfg),
  1292. &val);
  1293. if (ret)
  1294. return ret;
  1295. val &= ~clrbits;
  1296. val |= setbits;
  1297. ret = regmap_write(info->pincfg,
  1298. regaddr * regmap_get_reg_stride(info->pincfg),
  1299. val);
  1300. return ret;
  1301. }
  1302. static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
  1303. unsigned int pin,
  1304. unsigned int reg,
  1305. int val)
  1306. {
  1307. int ret = -EOPNOTSUPP;
  1308. if (info->pincfg) {
  1309. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1310. ret = 0;
  1311. switch (reg) {
  1312. case PINCONF_BIAS:
  1313. ret = ocelot_pincfg_clrsetbits(info, pin,
  1314. opd->pd_bit | opd->pu_bit,
  1315. val);
  1316. break;
  1317. case PINCONF_SCHMITT:
  1318. ret = ocelot_pincfg_clrsetbits(info, pin,
  1319. opd->schmitt_bit,
  1320. val);
  1321. break;
  1322. case PINCONF_DRIVE_STRENGTH:
  1323. if (val <= 3)
  1324. ret = ocelot_pincfg_clrsetbits(info, pin,
  1325. opd->drive_bits,
  1326. val);
  1327. else
  1328. ret = -EINVAL;
  1329. break;
  1330. default:
  1331. ret = -EOPNOTSUPP;
  1332. break;
  1333. }
  1334. }
  1335. return ret;
  1336. }
  1337. static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
  1338. unsigned int pin, unsigned long *config)
  1339. {
  1340. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1341. u32 param = pinconf_to_config_param(*config);
  1342. int val, err;
  1343. switch (param) {
  1344. case PIN_CONFIG_BIAS_DISABLE:
  1345. case PIN_CONFIG_BIAS_PULL_UP:
  1346. case PIN_CONFIG_BIAS_PULL_DOWN:
  1347. err = ocelot_hw_get_value(info, pin, PINCONF_BIAS, &val);
  1348. if (err)
  1349. return err;
  1350. if (param == PIN_CONFIG_BIAS_DISABLE)
  1351. val = (val == 0);
  1352. else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
  1353. val = !!(val & info->pincfg_data->pd_bit);
  1354. else /* PIN_CONFIG_BIAS_PULL_UP */
  1355. val = !!(val & info->pincfg_data->pu_bit);
  1356. break;
  1357. case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
  1358. if (!info->pincfg_data->schmitt_bit)
  1359. return -EOPNOTSUPP;
  1360. err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
  1361. if (err)
  1362. return err;
  1363. val = !!(val & info->pincfg_data->schmitt_bit);
  1364. break;
  1365. case PIN_CONFIG_DRIVE_STRENGTH:
  1366. err = ocelot_hw_get_value(info, pin, PINCONF_DRIVE_STRENGTH,
  1367. &val);
  1368. if (err)
  1369. return err;
  1370. break;
  1371. case PIN_CONFIG_OUTPUT:
  1372. err = regmap_read(info->map, REG(OCELOT_GPIO_OUT, info, pin),
  1373. &val);
  1374. if (err)
  1375. return err;
  1376. val = !!(val & BIT(pin % 32));
  1377. break;
  1378. case PIN_CONFIG_INPUT_ENABLE:
  1379. case PIN_CONFIG_OUTPUT_ENABLE:
  1380. err = regmap_read(info->map, REG(OCELOT_GPIO_OE, info, pin),
  1381. &val);
  1382. if (err)
  1383. return err;
  1384. val = val & BIT(pin % 32);
  1385. if (param == PIN_CONFIG_OUTPUT_ENABLE)
  1386. val = !!val;
  1387. else
  1388. val = !val;
  1389. break;
  1390. default:
  1391. return -EOPNOTSUPP;
  1392. }
  1393. *config = pinconf_to_config_packed(param, val);
  1394. return 0;
  1395. }
  1396. static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
  1397. unsigned long *configs, unsigned int num_configs)
  1398. {
  1399. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1400. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1401. u32 param, arg, p;
  1402. int cfg, err = 0;
  1403. for (cfg = 0; cfg < num_configs; cfg++) {
  1404. param = pinconf_to_config_param(configs[cfg]);
  1405. arg = pinconf_to_config_argument(configs[cfg]);
  1406. switch (param) {
  1407. case PIN_CONFIG_BIAS_DISABLE:
  1408. case PIN_CONFIG_BIAS_PULL_UP:
  1409. case PIN_CONFIG_BIAS_PULL_DOWN:
  1410. arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
  1411. (param == PIN_CONFIG_BIAS_PULL_UP) ?
  1412. opd->pu_bit : opd->pd_bit;
  1413. err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
  1414. if (err)
  1415. goto err;
  1416. break;
  1417. case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
  1418. if (!opd->schmitt_bit)
  1419. return -EOPNOTSUPP;
  1420. arg = arg ? opd->schmitt_bit : 0;
  1421. err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
  1422. arg);
  1423. if (err)
  1424. goto err;
  1425. break;
  1426. case PIN_CONFIG_DRIVE_STRENGTH:
  1427. err = ocelot_hw_set_value(info, pin,
  1428. PINCONF_DRIVE_STRENGTH,
  1429. arg);
  1430. if (err)
  1431. goto err;
  1432. break;
  1433. case PIN_CONFIG_OUTPUT_ENABLE:
  1434. case PIN_CONFIG_INPUT_ENABLE:
  1435. case PIN_CONFIG_OUTPUT:
  1436. p = pin % 32;
  1437. if (arg)
  1438. regmap_write(info->map,
  1439. REG(OCELOT_GPIO_OUT_SET, info,
  1440. pin),
  1441. BIT(p));
  1442. else
  1443. regmap_write(info->map,
  1444. REG(OCELOT_GPIO_OUT_CLR, info,
  1445. pin),
  1446. BIT(p));
  1447. regmap_update_bits(info->map,
  1448. REG(OCELOT_GPIO_OE, info, pin),
  1449. BIT(p),
  1450. param == PIN_CONFIG_INPUT_ENABLE ?
  1451. 0 : BIT(p));
  1452. break;
  1453. default:
  1454. err = -EOPNOTSUPP;
  1455. }
  1456. }
  1457. err:
  1458. return err;
  1459. }
  1460. static const struct pinconf_ops ocelot_confops = {
  1461. .is_generic = true,
  1462. .pin_config_get = ocelot_pinconf_get,
  1463. .pin_config_set = ocelot_pinconf_set,
  1464. .pin_config_config_dbg_show = pinconf_generic_dump_config,
  1465. };
  1466. static const struct pinctrl_ops ocelot_pctl_ops = {
  1467. .get_groups_count = ocelot_pctl_get_groups_count,
  1468. .get_group_name = ocelot_pctl_get_group_name,
  1469. .get_group_pins = ocelot_pctl_get_group_pins,
  1470. .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
  1471. .dt_free_map = pinconf_generic_dt_free_map,
  1472. };
  1473. static struct ocelot_match_data luton_desc = {
  1474. .desc = {
  1475. .name = "luton-pinctrl",
  1476. .pins = luton_pins,
  1477. .npins = ARRAY_SIZE(luton_pins),
  1478. .pctlops = &ocelot_pctl_ops,
  1479. .pmxops = &ocelot_pmx_ops,
  1480. .owner = THIS_MODULE,
  1481. },
  1482. };
  1483. static struct ocelot_match_data serval_desc = {
  1484. .desc = {
  1485. .name = "serval-pinctrl",
  1486. .pins = serval_pins,
  1487. .npins = ARRAY_SIZE(serval_pins),
  1488. .pctlops = &ocelot_pctl_ops,
  1489. .pmxops = &ocelot_pmx_ops,
  1490. .owner = THIS_MODULE,
  1491. },
  1492. };
  1493. static struct ocelot_match_data ocelot_desc = {
  1494. .desc = {
  1495. .name = "ocelot-pinctrl",
  1496. .pins = ocelot_pins,
  1497. .npins = ARRAY_SIZE(ocelot_pins),
  1498. .pctlops = &ocelot_pctl_ops,
  1499. .pmxops = &ocelot_pmx_ops,
  1500. .owner = THIS_MODULE,
  1501. },
  1502. };
  1503. static struct ocelot_match_data jaguar2_desc = {
  1504. .desc = {
  1505. .name = "jaguar2-pinctrl",
  1506. .pins = jaguar2_pins,
  1507. .npins = ARRAY_SIZE(jaguar2_pins),
  1508. .pctlops = &ocelot_pctl_ops,
  1509. .pmxops = &ocelot_pmx_ops,
  1510. .owner = THIS_MODULE,
  1511. },
  1512. };
  1513. static struct ocelot_match_data servalt_desc = {
  1514. .desc = {
  1515. .name = "servalt-pinctrl",
  1516. .pins = servalt_pins,
  1517. .npins = ARRAY_SIZE(servalt_pins),
  1518. .pctlops = &ocelot_pctl_ops,
  1519. .pmxops = &ocelot_pmx_ops,
  1520. .owner = THIS_MODULE,
  1521. },
  1522. };
  1523. static struct ocelot_match_data sparx5_desc = {
  1524. .desc = {
  1525. .name = "sparx5-pinctrl",
  1526. .pins = sparx5_pins,
  1527. .npins = ARRAY_SIZE(sparx5_pins),
  1528. .pctlops = &ocelot_pctl_ops,
  1529. .pmxops = &ocelot_pmx_ops,
  1530. .confops = &ocelot_confops,
  1531. .owner = THIS_MODULE,
  1532. },
  1533. .pincfg_data = {
  1534. .pd_bit = BIT(4),
  1535. .pu_bit = BIT(3),
  1536. .drive_bits = GENMASK(1, 0),
  1537. .schmitt_bit = BIT(2),
  1538. },
  1539. };
  1540. static struct ocelot_match_data lan966x_desc = {
  1541. .desc = {
  1542. .name = "lan966x-pinctrl",
  1543. .pins = lan966x_pins,
  1544. .npins = ARRAY_SIZE(lan966x_pins),
  1545. .pctlops = &ocelot_pctl_ops,
  1546. .pmxops = &lan966x_pmx_ops,
  1547. .confops = &ocelot_confops,
  1548. .owner = THIS_MODULE,
  1549. },
  1550. .pincfg_data = {
  1551. .pd_bit = BIT(3),
  1552. .pu_bit = BIT(2),
  1553. .drive_bits = GENMASK(1, 0),
  1554. },
  1555. };
  1556. static int ocelot_create_group_func_map(struct device *dev,
  1557. struct ocelot_pinctrl *info)
  1558. {
  1559. int f, npins, i;
  1560. u8 *pins = kcalloc(info->desc->npins, sizeof(u8), GFP_KERNEL);
  1561. if (!pins)
  1562. return -ENOMEM;
  1563. for (f = 0; f < FUNC_MAX; f++) {
  1564. for (npins = 0, i = 0; i < info->desc->npins; i++) {
  1565. if (ocelot_pin_function_idx(info, i, f) >= 0)
  1566. pins[npins++] = i;
  1567. }
  1568. if (!npins)
  1569. continue;
  1570. info->func[f].ngroups = npins;
  1571. info->func[f].groups = devm_kcalloc(dev, npins, sizeof(char *),
  1572. GFP_KERNEL);
  1573. if (!info->func[f].groups) {
  1574. kfree(pins);
  1575. return -ENOMEM;
  1576. }
  1577. for (i = 0; i < npins; i++)
  1578. info->func[f].groups[i] =
  1579. info->desc->pins[pins[i]].name;
  1580. }
  1581. kfree(pins);
  1582. return 0;
  1583. }
  1584. static int ocelot_pinctrl_register(struct platform_device *pdev,
  1585. struct ocelot_pinctrl *info)
  1586. {
  1587. int ret;
  1588. ret = ocelot_create_group_func_map(&pdev->dev, info);
  1589. if (ret) {
  1590. dev_err(&pdev->dev, "Unable to create group func map.\n");
  1591. return ret;
  1592. }
  1593. info->pctl = devm_pinctrl_register(&pdev->dev, info->desc, info);
  1594. if (IS_ERR(info->pctl)) {
  1595. dev_err(&pdev->dev, "Failed to register pinctrl\n");
  1596. return PTR_ERR(info->pctl);
  1597. }
  1598. return 0;
  1599. }
  1600. static int ocelot_gpio_get(struct gpio_chip *chip, unsigned int offset)
  1601. {
  1602. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1603. unsigned int val;
  1604. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, offset), &val);
  1605. return !!(val & BIT(offset % 32));
  1606. }
  1607. static void ocelot_gpio_set(struct gpio_chip *chip, unsigned int offset,
  1608. int value)
  1609. {
  1610. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1611. if (value)
  1612. regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
  1613. BIT(offset % 32));
  1614. else
  1615. regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
  1616. BIT(offset % 32));
  1617. }
  1618. static int ocelot_gpio_get_direction(struct gpio_chip *chip,
  1619. unsigned int offset)
  1620. {
  1621. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1622. unsigned int val;
  1623. regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
  1624. if (val & BIT(offset % 32))
  1625. return GPIO_LINE_DIRECTION_OUT;
  1626. return GPIO_LINE_DIRECTION_IN;
  1627. }
  1628. static int ocelot_gpio_direction_input(struct gpio_chip *chip,
  1629. unsigned int offset)
  1630. {
  1631. return pinctrl_gpio_direction_input(chip->base + offset);
  1632. }
  1633. static int ocelot_gpio_direction_output(struct gpio_chip *chip,
  1634. unsigned int offset, int value)
  1635. {
  1636. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1637. unsigned int pin = BIT(offset % 32);
  1638. if (value)
  1639. regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
  1640. pin);
  1641. else
  1642. regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
  1643. pin);
  1644. return pinctrl_gpio_direction_output(chip->base + offset);
  1645. }
  1646. static const struct gpio_chip ocelot_gpiolib_chip = {
  1647. .request = gpiochip_generic_request,
  1648. .free = gpiochip_generic_free,
  1649. .set = ocelot_gpio_set,
  1650. .get = ocelot_gpio_get,
  1651. .get_direction = ocelot_gpio_get_direction,
  1652. .direction_input = ocelot_gpio_direction_input,
  1653. .direction_output = ocelot_gpio_direction_output,
  1654. .owner = THIS_MODULE,
  1655. };
  1656. static void ocelot_irq_mask(struct irq_data *data)
  1657. {
  1658. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  1659. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1660. unsigned int gpio = irqd_to_hwirq(data);
  1661. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  1662. BIT(gpio % 32), 0);
  1663. gpiochip_disable_irq(chip, gpio);
  1664. }
  1665. static void ocelot_irq_work(struct work_struct *work)
  1666. {
  1667. struct ocelot_irq_work *w = container_of(work, struct ocelot_irq_work, irq_work);
  1668. struct irq_chip *parent_chip = irq_desc_get_chip(w->irq_desc);
  1669. struct gpio_chip *chip = irq_desc_get_chip_data(w->irq_desc);
  1670. struct irq_data *data = irq_desc_get_irq_data(w->irq_desc);
  1671. unsigned int gpio = irqd_to_hwirq(data);
  1672. local_irq_disable();
  1673. chained_irq_enter(parent_chip, w->irq_desc);
  1674. generic_handle_domain_irq(chip->irq.domain, gpio);
  1675. chained_irq_exit(parent_chip, w->irq_desc);
  1676. local_irq_enable();
  1677. kfree(w);
  1678. }
  1679. static void ocelot_irq_unmask_level(struct irq_data *data)
  1680. {
  1681. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  1682. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1683. struct irq_desc *desc = irq_data_to_desc(data);
  1684. unsigned int gpio = irqd_to_hwirq(data);
  1685. unsigned int bit = BIT(gpio % 32);
  1686. bool ack = false, active = false;
  1687. u8 trigger_level;
  1688. int val;
  1689. trigger_level = irqd_get_trigger_type(data);
  1690. /* Check if the interrupt line is still active. */
  1691. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
  1692. if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
  1693. (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
  1694. active = true;
  1695. /*
  1696. * Check if the interrupt controller has seen any changes in the
  1697. * interrupt line.
  1698. */
  1699. regmap_read(info->map, REG(OCELOT_GPIO_INTR, info, gpio), &val);
  1700. if (val & bit)
  1701. ack = true;
  1702. /* Try to clear any rising edges */
  1703. if (!active && ack)
  1704. regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
  1705. bit, bit);
  1706. /* Enable the interrupt now */
  1707. gpiochip_enable_irq(chip, gpio);
  1708. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  1709. bit, bit);
  1710. /*
  1711. * In case the interrupt line is still active then it means that
  1712. * there happen another interrupt while the line was active.
  1713. * So we missed that one, so we need to kick the interrupt again
  1714. * handler.
  1715. */
  1716. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
  1717. if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
  1718. (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
  1719. active = true;
  1720. if (active) {
  1721. struct ocelot_irq_work *work;
  1722. work = kmalloc(sizeof(*work), GFP_ATOMIC);
  1723. if (!work)
  1724. return;
  1725. work->irq_desc = desc;
  1726. INIT_WORK(&work->irq_work, ocelot_irq_work);
  1727. queue_work(info->wq, &work->irq_work);
  1728. }
  1729. }
  1730. static void ocelot_irq_unmask(struct irq_data *data)
  1731. {
  1732. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  1733. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1734. unsigned int gpio = irqd_to_hwirq(data);
  1735. gpiochip_enable_irq(chip, gpio);
  1736. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  1737. BIT(gpio % 32), BIT(gpio % 32));
  1738. }
  1739. static void ocelot_irq_ack(struct irq_data *data)
  1740. {
  1741. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  1742. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1743. unsigned int gpio = irqd_to_hwirq(data);
  1744. regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
  1745. BIT(gpio % 32), BIT(gpio % 32));
  1746. }
  1747. static int ocelot_irq_set_type(struct irq_data *data, unsigned int type);
  1748. static struct irq_chip ocelot_level_irqchip = {
  1749. .name = "gpio",
  1750. .irq_mask = ocelot_irq_mask,
  1751. .irq_ack = ocelot_irq_ack,
  1752. .irq_unmask = ocelot_irq_unmask_level,
  1753. .flags = IRQCHIP_IMMUTABLE,
  1754. .irq_set_type = ocelot_irq_set_type,
  1755. GPIOCHIP_IRQ_RESOURCE_HELPERS
  1756. };
  1757. static struct irq_chip ocelot_irqchip = {
  1758. .name = "gpio",
  1759. .irq_mask = ocelot_irq_mask,
  1760. .irq_ack = ocelot_irq_ack,
  1761. .irq_unmask = ocelot_irq_unmask,
  1762. .irq_set_type = ocelot_irq_set_type,
  1763. .flags = IRQCHIP_IMMUTABLE,
  1764. GPIOCHIP_IRQ_RESOURCE_HELPERS
  1765. };
  1766. static int ocelot_irq_set_type(struct irq_data *data, unsigned int type)
  1767. {
  1768. if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
  1769. irq_set_chip_handler_name_locked(data, &ocelot_level_irqchip,
  1770. handle_level_irq, NULL);
  1771. if (type & IRQ_TYPE_EDGE_BOTH)
  1772. irq_set_chip_handler_name_locked(data, &ocelot_irqchip,
  1773. handle_edge_irq, NULL);
  1774. return 0;
  1775. }
  1776. static void ocelot_irq_handler(struct irq_desc *desc)
  1777. {
  1778. struct irq_chip *parent_chip = irq_desc_get_chip(desc);
  1779. struct gpio_chip *chip = irq_desc_get_handler_data(desc);
  1780. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1781. unsigned int id_reg = OCELOT_GPIO_INTR_IDENT * info->stride;
  1782. unsigned int reg = 0, irq, i;
  1783. unsigned long irqs;
  1784. for (i = 0; i < info->stride; i++) {
  1785. regmap_read(info->map, id_reg + 4 * i, &reg);
  1786. if (!reg)
  1787. continue;
  1788. chained_irq_enter(parent_chip, desc);
  1789. irqs = reg;
  1790. for_each_set_bit(irq, &irqs,
  1791. min(32U, info->desc->npins - 32 * i))
  1792. generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
  1793. chained_irq_exit(parent_chip, desc);
  1794. }
  1795. }
  1796. static int ocelot_gpiochip_register(struct platform_device *pdev,
  1797. struct ocelot_pinctrl *info)
  1798. {
  1799. struct gpio_chip *gc;
  1800. struct gpio_irq_chip *girq;
  1801. int irq;
  1802. info->gpio_chip = ocelot_gpiolib_chip;
  1803. gc = &info->gpio_chip;
  1804. gc->ngpio = info->desc->npins;
  1805. gc->parent = &pdev->dev;
  1806. gc->base = -1;
  1807. gc->label = "ocelot-gpio";
  1808. irq = platform_get_irq_optional(pdev, 0);
  1809. if (irq > 0) {
  1810. girq = &gc->irq;
  1811. gpio_irq_chip_set_chip(girq, &ocelot_irqchip);
  1812. girq->parent_handler = ocelot_irq_handler;
  1813. girq->num_parents = 1;
  1814. girq->parents = devm_kcalloc(&pdev->dev, 1,
  1815. sizeof(*girq->parents),
  1816. GFP_KERNEL);
  1817. if (!girq->parents)
  1818. return -ENOMEM;
  1819. girq->parents[0] = irq;
  1820. girq->default_type = IRQ_TYPE_NONE;
  1821. girq->handler = handle_edge_irq;
  1822. }
  1823. return devm_gpiochip_add_data(&pdev->dev, gc, info);
  1824. }
  1825. static const struct of_device_id ocelot_pinctrl_of_match[] = {
  1826. { .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
  1827. { .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
  1828. { .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
  1829. { .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
  1830. { .compatible = "mscc,servalt-pinctrl", .data = &servalt_desc },
  1831. { .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
  1832. { .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
  1833. {},
  1834. };
  1835. MODULE_DEVICE_TABLE(of, ocelot_pinctrl_of_match);
  1836. static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev,
  1837. const struct ocelot_pinctrl *info)
  1838. {
  1839. void __iomem *base;
  1840. const struct regmap_config regmap_config = {
  1841. .reg_bits = 32,
  1842. .val_bits = 32,
  1843. .reg_stride = 4,
  1844. .max_register = info->desc->npins * 4,
  1845. .name = "pincfg",
  1846. };
  1847. base = devm_platform_ioremap_resource(pdev, 1);
  1848. if (IS_ERR(base)) {
  1849. dev_dbg(&pdev->dev, "Failed to ioremap config registers (no extended pinconf)\n");
  1850. return NULL;
  1851. }
  1852. return devm_regmap_init_mmio(&pdev->dev, base, &regmap_config);
  1853. }
  1854. static void ocelot_destroy_workqueue(void *data)
  1855. {
  1856. destroy_workqueue(data);
  1857. }
  1858. static int ocelot_pinctrl_probe(struct platform_device *pdev)
  1859. {
  1860. const struct ocelot_match_data *data;
  1861. struct device *dev = &pdev->dev;
  1862. struct ocelot_pinctrl *info;
  1863. struct reset_control *reset;
  1864. struct regmap *pincfg;
  1865. int ret;
  1866. struct regmap_config regmap_config = {
  1867. .reg_bits = 32,
  1868. .val_bits = 32,
  1869. .reg_stride = 4,
  1870. };
  1871. info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
  1872. if (!info)
  1873. return -ENOMEM;
  1874. data = device_get_match_data(dev);
  1875. if (!data)
  1876. return -EINVAL;
  1877. info->desc = devm_kmemdup(dev, &data->desc, sizeof(*info->desc),
  1878. GFP_KERNEL);
  1879. if (!info->desc)
  1880. return -ENOMEM;
  1881. info->wq = alloc_ordered_workqueue("ocelot_ordered", 0);
  1882. if (!info->wq)
  1883. return -ENOMEM;
  1884. ret = devm_add_action_or_reset(dev, ocelot_destroy_workqueue,
  1885. info->wq);
  1886. if (ret)
  1887. return ret;
  1888. info->pincfg_data = &data->pincfg_data;
  1889. reset = devm_reset_control_get_optional_shared(dev, "switch");
  1890. if (IS_ERR(reset))
  1891. return dev_err_probe(dev, PTR_ERR(reset),
  1892. "Failed to get reset\n");
  1893. reset_control_reset(reset);
  1894. info->stride = 1 + (info->desc->npins - 1) / 32;
  1895. regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4;
  1896. info->map = ocelot_regmap_from_resource(pdev, 0, &regmap_config);
  1897. if (IS_ERR(info->map))
  1898. return dev_err_probe(dev, PTR_ERR(info->map),
  1899. "Failed to create regmap\n");
  1900. dev_set_drvdata(dev, info);
  1901. info->dev = dev;
  1902. /* Pinconf registers */
  1903. if (info->desc->confops) {
  1904. pincfg = ocelot_pinctrl_create_pincfg(pdev, info);
  1905. if (IS_ERR(pincfg))
  1906. dev_dbg(dev, "Failed to create pincfg regmap\n");
  1907. else
  1908. info->pincfg = pincfg;
  1909. }
  1910. ret = ocelot_pinctrl_register(pdev, info);
  1911. if (ret)
  1912. return ret;
  1913. ret = ocelot_gpiochip_register(pdev, info);
  1914. if (ret)
  1915. return ret;
  1916. dev_info(dev, "driver registered\n");
  1917. return 0;
  1918. }
  1919. static struct platform_driver ocelot_pinctrl_driver = {
  1920. .driver = {
  1921. .name = "pinctrl-ocelot",
  1922. .of_match_table = of_match_ptr(ocelot_pinctrl_of_match),
  1923. .suppress_bind_attrs = true,
  1924. },
  1925. .probe = ocelot_pinctrl_probe,
  1926. };
  1927. module_platform_driver(ocelot_pinctrl_driver);
  1928. MODULE_DESCRIPTION("Ocelot Chip Pinctrl Driver");
  1929. MODULE_LICENSE("Dual MIT/GPL");