pinctrl-ocelot.c 77 KB

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  1. // SPDX-License-Identifier: (GPL-2.0 OR MIT)
  2. /*
  3. * Microsemi SoCs pinctrl driver
  4. *
  5. * Author: <alexandre.belloni@free-electrons.com>
  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.h>
  14. #include <linux/platform_device.h>
  15. #include <linux/regmap.h>
  16. #include <linux/reset.h>
  17. #include <linux/slab.h>
  18. #include <linux/pinctrl/consumer.h>
  19. #include <linux/pinctrl/pinconf-generic.h>
  20. #include <linux/pinctrl/pinconf.h>
  21. #include <linux/pinctrl/pinctrl.h>
  22. #include <linux/pinctrl/pinmux.h>
  23. #include "core.h"
  24. #include "pinconf.h"
  25. #include "pinmux.h"
  26. #define ocelot_clrsetbits(addr, clear, set) \
  27. writel((readl(addr) & ~(clear)) | (set), (addr))
  28. enum {
  29. PINCONF_BIAS,
  30. PINCONF_SCHMITT,
  31. PINCONF_DRIVE_STRENGTH,
  32. };
  33. /* GPIO standard registers */
  34. #define OCELOT_GPIO_OUT_SET 0x0
  35. #define OCELOT_GPIO_OUT_CLR 0x4
  36. #define OCELOT_GPIO_OUT 0x8
  37. #define OCELOT_GPIO_IN 0xc
  38. #define OCELOT_GPIO_OE 0x10
  39. #define OCELOT_GPIO_INTR 0x14
  40. #define OCELOT_GPIO_INTR_ENA 0x18
  41. #define OCELOT_GPIO_INTR_IDENT 0x1c
  42. #define OCELOT_GPIO_ALT0 0x20
  43. #define OCELOT_GPIO_ALT1 0x24
  44. #define OCELOT_GPIO_SD_MAP 0x28
  45. #define OCELOT_FUNC_PER_PIN 4
  46. enum {
  47. FUNC_CAN0_a,
  48. FUNC_CAN0_b,
  49. FUNC_CAN1,
  50. FUNC_CLKMON,
  51. FUNC_NONE,
  52. FUNC_FAN,
  53. FUNC_FC,
  54. FUNC_FC0_a,
  55. FUNC_FC0_b,
  56. FUNC_FC0_c,
  57. FUNC_FC1_a,
  58. FUNC_FC1_b,
  59. FUNC_FC1_c,
  60. FUNC_FC2_a,
  61. FUNC_FC2_b,
  62. FUNC_FC3_a,
  63. FUNC_FC3_b,
  64. FUNC_FC3_c,
  65. FUNC_FC4_a,
  66. FUNC_FC4_b,
  67. FUNC_FC4_c,
  68. FUNC_FC_SHRD,
  69. FUNC_FC_SHRD0,
  70. FUNC_FC_SHRD1,
  71. FUNC_FC_SHRD2,
  72. FUNC_FC_SHRD3,
  73. FUNC_FC_SHRD4,
  74. FUNC_FC_SHRD5,
  75. FUNC_FC_SHRD6,
  76. FUNC_FC_SHRD7,
  77. FUNC_FC_SHRD8,
  78. FUNC_FC_SHRD9,
  79. FUNC_FC_SHRD10,
  80. FUNC_FC_SHRD11,
  81. FUNC_FC_SHRD12,
  82. FUNC_FC_SHRD13,
  83. FUNC_FC_SHRD14,
  84. FUNC_FC_SHRD15,
  85. FUNC_FC_SHRD16,
  86. FUNC_FC_SHRD17,
  87. FUNC_FC_SHRD18,
  88. FUNC_FC_SHRD19,
  89. FUNC_FC_SHRD20,
  90. FUNC_FUSA,
  91. FUNC_GPIO,
  92. FUNC_I2C,
  93. FUNC_I2C_Sa,
  94. FUNC_IB_TRG_a,
  95. FUNC_IB_TRG_b,
  96. FUNC_IB_TRG_c,
  97. FUNC_IRQ0,
  98. FUNC_IRQ_IN_a,
  99. FUNC_IRQ_IN_b,
  100. FUNC_IRQ_IN_c,
  101. FUNC_IRQ0_IN,
  102. FUNC_IRQ_OUT_a,
  103. FUNC_IRQ_OUT_b,
  104. FUNC_IRQ_OUT_c,
  105. FUNC_IRQ0_OUT,
  106. FUNC_IRQ1,
  107. FUNC_IRQ1_IN,
  108. FUNC_IRQ1_OUT,
  109. FUNC_IRQ2,
  110. FUNC_IRQ3,
  111. FUNC_IRQ4,
  112. FUNC_EXT_IRQ,
  113. FUNC_MACLED,
  114. FUNC_MIIM,
  115. FUNC_MIIM_a,
  116. FUNC_MIIM_b,
  117. FUNC_MIIM_c,
  118. FUNC_MIIM_Sa,
  119. FUNC_MIIM_Sb,
  120. FUNC_MIIM_IRQ,
  121. FUNC_OB_TRG,
  122. FUNC_OB_TRG_a,
  123. FUNC_OB_TRG_b,
  124. FUNC_PHY_LED,
  125. FUNC_PHY_DBG,
  126. FUNC_PCI_WAKE,
  127. FUNC_MD,
  128. FUNC_PCIE_PERST,
  129. FUNC_PTP0,
  130. FUNC_PTP1,
  131. FUNC_PTP2,
  132. FUNC_PTP3,
  133. FUNC_PTPSYNC_0,
  134. FUNC_PTPSYNC_1,
  135. FUNC_PTPSYNC_2,
  136. FUNC_PTPSYNC_3,
  137. FUNC_PTPSYNC_4,
  138. FUNC_PTPSYNC_5,
  139. FUNC_PTPSYNC_6,
  140. FUNC_PTPSYNC_7,
  141. FUNC_PWM,
  142. FUNC_PWM_a,
  143. FUNC_PWM_b,
  144. FUNC_QSPI1,
  145. FUNC_QSPI2,
  146. FUNC_R,
  147. FUNC_RECO_a,
  148. FUNC_RECO_b,
  149. FUNC_RECO_CLK,
  150. FUNC_SD,
  151. FUNC_SFP,
  152. FUNC_SFP_SD,
  153. FUNC_SG0,
  154. FUNC_SG1,
  155. FUNC_SG2,
  156. FUNC_SPI,
  157. FUNC_SGPIO_a,
  158. FUNC_SGPIO_b,
  159. FUNC_SI,
  160. FUNC_SI2,
  161. FUNC_SI_Sa,
  162. FUNC_SYNCE,
  163. FUNC_TACHO,
  164. FUNC_TACHO_a,
  165. FUNC_TACHO_b,
  166. FUNC_TWI,
  167. FUNC_TWI2,
  168. FUNC_TWI3,
  169. FUNC_TWI_SCL_M,
  170. FUNC_TWI_SLC_GATE,
  171. FUNC_TWI_SLC_GATE_AD,
  172. FUNC_UART,
  173. FUNC_UART2,
  174. FUNC_UART3,
  175. FUNC_USB_H_a,
  176. FUNC_USB_H_b,
  177. FUNC_USB_H_c,
  178. FUNC_USB_S_a,
  179. FUNC_USB_S_b,
  180. FUNC_USB_S_c,
  181. FUNC_USB_POWER,
  182. FUNC_USB2PHY_RST,
  183. FUNC_USB_OVER_DETECT,
  184. FUNC_USB_ULPI,
  185. FUNC_PLL_STAT,
  186. FUNC_EMMC,
  187. FUNC_EMMC_SD,
  188. FUNC_REF_CLK,
  189. FUNC_RCVRD_CLK,
  190. FUNC_RGMII,
  191. FUNC_MAX
  192. };
  193. static const char *const ocelot_function_names[] = {
  194. [FUNC_CAN0_a] = "can0_a",
  195. [FUNC_CAN0_b] = "can0_b",
  196. [FUNC_CAN1] = "can1",
  197. [FUNC_CLKMON] = "clkmon",
  198. [FUNC_NONE] = "none",
  199. [FUNC_FAN] = "fan",
  200. [FUNC_FC] = "fc",
  201. [FUNC_FC0_a] = "fc0_a",
  202. [FUNC_FC0_b] = "fc0_b",
  203. [FUNC_FC0_c] = "fc0_c",
  204. [FUNC_FC1_a] = "fc1_a",
  205. [FUNC_FC1_b] = "fc1_b",
  206. [FUNC_FC1_c] = "fc1_c",
  207. [FUNC_FC2_a] = "fc2_a",
  208. [FUNC_FC2_b] = "fc2_b",
  209. [FUNC_FC3_a] = "fc3_a",
  210. [FUNC_FC3_b] = "fc3_b",
  211. [FUNC_FC3_c] = "fc3_c",
  212. [FUNC_FC4_a] = "fc4_a",
  213. [FUNC_FC4_b] = "fc4_b",
  214. [FUNC_FC4_c] = "fc4_c",
  215. [FUNC_FC_SHRD] = "fc_shrd",
  216. [FUNC_FC_SHRD0] = "fc_shrd0",
  217. [FUNC_FC_SHRD1] = "fc_shrd1",
  218. [FUNC_FC_SHRD2] = "fc_shrd2",
  219. [FUNC_FC_SHRD3] = "fc_shrd3",
  220. [FUNC_FC_SHRD4] = "fc_shrd4",
  221. [FUNC_FC_SHRD5] = "fc_shrd5",
  222. [FUNC_FC_SHRD6] = "fc_shrd6",
  223. [FUNC_FC_SHRD7] = "fc_shrd7",
  224. [FUNC_FC_SHRD8] = "fc_shrd8",
  225. [FUNC_FC_SHRD9] = "fc_shrd9",
  226. [FUNC_FC_SHRD10] = "fc_shrd10",
  227. [FUNC_FC_SHRD11] = "fc_shrd11",
  228. [FUNC_FC_SHRD12] = "fc_shrd12",
  229. [FUNC_FC_SHRD13] = "fc_shrd13",
  230. [FUNC_FC_SHRD14] = "fc_shrd14",
  231. [FUNC_FC_SHRD15] = "fc_shrd15",
  232. [FUNC_FC_SHRD16] = "fc_shrd16",
  233. [FUNC_FC_SHRD17] = "fc_shrd17",
  234. [FUNC_FC_SHRD18] = "fc_shrd18",
  235. [FUNC_FC_SHRD19] = "fc_shrd19",
  236. [FUNC_FC_SHRD20] = "fc_shrd20",
  237. [FUNC_FUSA] = "fusa",
  238. [FUNC_GPIO] = "gpio",
  239. [FUNC_I2C] = "i2c",
  240. [FUNC_I2C_Sa] = "i2c_slave_a",
  241. [FUNC_IB_TRG_a] = "ib_trig_a",
  242. [FUNC_IB_TRG_b] = "ib_trig_b",
  243. [FUNC_IB_TRG_c] = "ib_trig_c",
  244. [FUNC_IRQ0] = "irq0",
  245. [FUNC_IRQ_IN_a] = "irq_in_a",
  246. [FUNC_IRQ_IN_b] = "irq_in_b",
  247. [FUNC_IRQ_IN_c] = "irq_in_c",
  248. [FUNC_IRQ0_IN] = "irq0_in",
  249. [FUNC_IRQ_OUT_a] = "irq_out_a",
  250. [FUNC_IRQ_OUT_b] = "irq_out_b",
  251. [FUNC_IRQ_OUT_c] = "irq_out_c",
  252. [FUNC_IRQ0_OUT] = "irq0_out",
  253. [FUNC_IRQ1] = "irq1",
  254. [FUNC_IRQ1_IN] = "irq1_in",
  255. [FUNC_IRQ1_OUT] = "irq1_out",
  256. [FUNC_IRQ2] = "irq2",
  257. [FUNC_IRQ3] = "irq3",
  258. [FUNC_IRQ4] = "irq4",
  259. [FUNC_EXT_IRQ] = "ext_irq",
  260. [FUNC_MACLED] = "mac_led",
  261. [FUNC_MIIM] = "miim",
  262. [FUNC_MIIM_a] = "miim_a",
  263. [FUNC_MIIM_b] = "miim_b",
  264. [FUNC_MIIM_c] = "miim_c",
  265. [FUNC_MIIM_Sa] = "miim_slave_a",
  266. [FUNC_MIIM_Sb] = "miim_slave_b",
  267. [FUNC_MIIM_IRQ] = "miim_irq",
  268. [FUNC_PHY_LED] = "phy_led",
  269. [FUNC_PHY_DBG] = "phy_dbg",
  270. [FUNC_PCI_WAKE] = "pci_wake",
  271. [FUNC_PCIE_PERST] = "pcie_perst",
  272. [FUNC_MD] = "md",
  273. [FUNC_OB_TRG] = "ob_trig",
  274. [FUNC_OB_TRG_a] = "ob_trig_a",
  275. [FUNC_OB_TRG_b] = "ob_trig_b",
  276. [FUNC_PTP0] = "ptp0",
  277. [FUNC_PTP1] = "ptp1",
  278. [FUNC_PTP2] = "ptp2",
  279. [FUNC_PTP3] = "ptp3",
  280. [FUNC_PTPSYNC_0] = "ptpsync_0",
  281. [FUNC_PTPSYNC_1] = "ptpsync_1",
  282. [FUNC_PTPSYNC_2] = "ptpsync_2",
  283. [FUNC_PTPSYNC_3] = "ptpsync_3",
  284. [FUNC_PTPSYNC_4] = "ptpsync_4",
  285. [FUNC_PTPSYNC_5] = "ptpsync_5",
  286. [FUNC_PTPSYNC_6] = "ptpsync_6",
  287. [FUNC_PTPSYNC_7] = "ptpsync_7",
  288. [FUNC_PWM] = "pwm",
  289. [FUNC_PWM_a] = "pwm_a",
  290. [FUNC_PWM_b] = "pwm_b",
  291. [FUNC_QSPI1] = "qspi1",
  292. [FUNC_QSPI2] = "qspi2",
  293. [FUNC_R] = "reserved",
  294. [FUNC_RECO_a] = "reco_a",
  295. [FUNC_RECO_b] = "reco_b",
  296. [FUNC_RECO_CLK] = "reco_clk",
  297. [FUNC_SD] = "sd",
  298. [FUNC_SFP] = "sfp",
  299. [FUNC_SFP_SD] = "sfp_sd",
  300. [FUNC_SG0] = "sg0",
  301. [FUNC_SG1] = "sg1",
  302. [FUNC_SG2] = "sg2",
  303. [FUNC_SGPIO_a] = "sgpio_a",
  304. [FUNC_SGPIO_b] = "sgpio_b",
  305. [FUNC_SI] = "si",
  306. [FUNC_SI2] = "si2",
  307. [FUNC_SI_Sa] = "si_slave_a",
  308. [FUNC_SPI] = "spi",
  309. [FUNC_SYNCE] = "synce",
  310. [FUNC_TACHO] = "tacho",
  311. [FUNC_TACHO_a] = "tacho_a",
  312. [FUNC_TACHO_b] = "tacho_b",
  313. [FUNC_TWI] = "twi",
  314. [FUNC_TWI2] = "twi2",
  315. [FUNC_TWI3] = "twi3",
  316. [FUNC_TWI_SCL_M] = "twi_scl_m",
  317. [FUNC_TWI_SLC_GATE] = "twi_slc_gate",
  318. [FUNC_TWI_SLC_GATE_AD] = "twi_slc_gate_ad",
  319. [FUNC_USB_H_a] = "usb_host_a",
  320. [FUNC_USB_H_b] = "usb_host_b",
  321. [FUNC_USB_H_c] = "usb_host_c",
  322. [FUNC_USB_S_a] = "usb_slave_a",
  323. [FUNC_USB_S_b] = "usb_slave_b",
  324. [FUNC_USB_S_c] = "usb_slave_c",
  325. [FUNC_USB_POWER] = "usb_power",
  326. [FUNC_USB2PHY_RST] = "usb2phy_rst",
  327. [FUNC_USB_OVER_DETECT] = "usb_over_detect",
  328. [FUNC_USB_ULPI] = "usb_ulpi",
  329. [FUNC_UART] = "uart",
  330. [FUNC_UART2] = "uart2",
  331. [FUNC_UART3] = "uart3",
  332. [FUNC_PLL_STAT] = "pll_stat",
  333. [FUNC_EMMC] = "emmc",
  334. [FUNC_EMMC_SD] = "emmc_sd",
  335. [FUNC_REF_CLK] = "ref_clk",
  336. [FUNC_RCVRD_CLK] = "rcvrd_clk",
  337. [FUNC_RGMII] = "rgmii",
  338. };
  339. struct ocelot_pmx_func {
  340. const char **groups;
  341. unsigned int ngroups;
  342. };
  343. struct ocelot_pin_caps {
  344. unsigned int pin;
  345. unsigned char functions[OCELOT_FUNC_PER_PIN];
  346. unsigned char a_functions[OCELOT_FUNC_PER_PIN]; /* Additional functions */
  347. };
  348. struct ocelot_pincfg_data {
  349. u8 pd_bit;
  350. u8 pu_bit;
  351. u8 drive_bits;
  352. u8 schmitt_bit;
  353. };
  354. struct ocelot_pinctrl {
  355. struct device *dev;
  356. struct pinctrl_dev *pctl;
  357. struct gpio_chip gpio_chip;
  358. struct regmap *map;
  359. struct regmap *pincfg;
  360. struct pinctrl_desc *desc;
  361. const struct ocelot_pincfg_data *pincfg_data;
  362. struct ocelot_pmx_func func[FUNC_MAX];
  363. u8 stride;
  364. u8 altm_stride;
  365. struct workqueue_struct *wq;
  366. };
  367. struct ocelot_match_data {
  368. struct pinctrl_desc desc;
  369. struct ocelot_pincfg_data pincfg_data;
  370. unsigned int n_alt_modes;
  371. };
  372. struct ocelot_irq_work {
  373. struct work_struct irq_work;
  374. struct irq_desc *irq_desc;
  375. };
  376. #define LUTON_P(p, f0, f1) \
  377. static struct ocelot_pin_caps luton_pin_##p = { \
  378. .pin = p, \
  379. .functions = { \
  380. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE, \
  381. }, \
  382. }
  383. LUTON_P(0, SG0, NONE);
  384. LUTON_P(1, SG0, NONE);
  385. LUTON_P(2, SG0, NONE);
  386. LUTON_P(3, SG0, NONE);
  387. LUTON_P(4, TACHO, NONE);
  388. LUTON_P(5, TWI, PHY_LED);
  389. LUTON_P(6, TWI, PHY_LED);
  390. LUTON_P(7, NONE, PHY_LED);
  391. LUTON_P(8, EXT_IRQ, PHY_LED);
  392. LUTON_P(9, EXT_IRQ, PHY_LED);
  393. LUTON_P(10, SFP, PHY_LED);
  394. LUTON_P(11, SFP, PHY_LED);
  395. LUTON_P(12, SFP, PHY_LED);
  396. LUTON_P(13, SFP, PHY_LED);
  397. LUTON_P(14, SI, PHY_LED);
  398. LUTON_P(15, SI, PHY_LED);
  399. LUTON_P(16, SI, PHY_LED);
  400. LUTON_P(17, SFP, PHY_LED);
  401. LUTON_P(18, SFP, PHY_LED);
  402. LUTON_P(19, SFP, PHY_LED);
  403. LUTON_P(20, SFP, PHY_LED);
  404. LUTON_P(21, SFP, PHY_LED);
  405. LUTON_P(22, SFP, PHY_LED);
  406. LUTON_P(23, SFP, PHY_LED);
  407. LUTON_P(24, SFP, PHY_LED);
  408. LUTON_P(25, SFP, PHY_LED);
  409. LUTON_P(26, SFP, PHY_LED);
  410. LUTON_P(27, SFP, PHY_LED);
  411. LUTON_P(28, SFP, PHY_LED);
  412. LUTON_P(29, PWM, NONE);
  413. LUTON_P(30, UART, NONE);
  414. LUTON_P(31, UART, NONE);
  415. #define LUTON_PIN(n) { \
  416. .number = n, \
  417. .name = "GPIO_"#n, \
  418. .drv_data = &luton_pin_##n \
  419. }
  420. static const struct pinctrl_pin_desc luton_pins[] = {
  421. LUTON_PIN(0),
  422. LUTON_PIN(1),
  423. LUTON_PIN(2),
  424. LUTON_PIN(3),
  425. LUTON_PIN(4),
  426. LUTON_PIN(5),
  427. LUTON_PIN(6),
  428. LUTON_PIN(7),
  429. LUTON_PIN(8),
  430. LUTON_PIN(9),
  431. LUTON_PIN(10),
  432. LUTON_PIN(11),
  433. LUTON_PIN(12),
  434. LUTON_PIN(13),
  435. LUTON_PIN(14),
  436. LUTON_PIN(15),
  437. LUTON_PIN(16),
  438. LUTON_PIN(17),
  439. LUTON_PIN(18),
  440. LUTON_PIN(19),
  441. LUTON_PIN(20),
  442. LUTON_PIN(21),
  443. LUTON_PIN(22),
  444. LUTON_PIN(23),
  445. LUTON_PIN(24),
  446. LUTON_PIN(25),
  447. LUTON_PIN(26),
  448. LUTON_PIN(27),
  449. LUTON_PIN(28),
  450. LUTON_PIN(29),
  451. LUTON_PIN(30),
  452. LUTON_PIN(31),
  453. };
  454. #define SERVAL_P(p, f0, f1, f2) \
  455. static struct ocelot_pin_caps serval_pin_##p = { \
  456. .pin = p, \
  457. .functions = { \
  458. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  459. }, \
  460. }
  461. SERVAL_P(0, SG0, NONE, NONE);
  462. SERVAL_P(1, SG0, NONE, NONE);
  463. SERVAL_P(2, SG0, NONE, NONE);
  464. SERVAL_P(3, SG0, NONE, NONE);
  465. SERVAL_P(4, TACHO, NONE, NONE);
  466. SERVAL_P(5, PWM, NONE, NONE);
  467. SERVAL_P(6, TWI, NONE, NONE);
  468. SERVAL_P(7, TWI, NONE, NONE);
  469. SERVAL_P(8, SI, NONE, NONE);
  470. SERVAL_P(9, SI, MD, NONE);
  471. SERVAL_P(10, SI, MD, NONE);
  472. SERVAL_P(11, SFP, MD, TWI_SCL_M);
  473. SERVAL_P(12, SFP, MD, TWI_SCL_M);
  474. SERVAL_P(13, SFP, UART2, TWI_SCL_M);
  475. SERVAL_P(14, SFP, UART2, TWI_SCL_M);
  476. SERVAL_P(15, SFP, PTP0, TWI_SCL_M);
  477. SERVAL_P(16, SFP, PTP0, TWI_SCL_M);
  478. SERVAL_P(17, SFP, PCI_WAKE, TWI_SCL_M);
  479. SERVAL_P(18, SFP, NONE, TWI_SCL_M);
  480. SERVAL_P(19, SFP, NONE, TWI_SCL_M);
  481. SERVAL_P(20, SFP, NONE, TWI_SCL_M);
  482. SERVAL_P(21, SFP, NONE, TWI_SCL_M);
  483. SERVAL_P(22, NONE, NONE, NONE);
  484. SERVAL_P(23, NONE, NONE, NONE);
  485. SERVAL_P(24, NONE, NONE, NONE);
  486. SERVAL_P(25, NONE, NONE, NONE);
  487. SERVAL_P(26, UART, NONE, NONE);
  488. SERVAL_P(27, UART, NONE, NONE);
  489. SERVAL_P(28, IRQ0, NONE, NONE);
  490. SERVAL_P(29, IRQ1, NONE, NONE);
  491. SERVAL_P(30, PTP0, NONE, NONE);
  492. SERVAL_P(31, PTP0, NONE, NONE);
  493. #define SERVAL_PIN(n) { \
  494. .number = n, \
  495. .name = "GPIO_"#n, \
  496. .drv_data = &serval_pin_##n \
  497. }
  498. static const struct pinctrl_pin_desc serval_pins[] = {
  499. SERVAL_PIN(0),
  500. SERVAL_PIN(1),
  501. SERVAL_PIN(2),
  502. SERVAL_PIN(3),
  503. SERVAL_PIN(4),
  504. SERVAL_PIN(5),
  505. SERVAL_PIN(6),
  506. SERVAL_PIN(7),
  507. SERVAL_PIN(8),
  508. SERVAL_PIN(9),
  509. SERVAL_PIN(10),
  510. SERVAL_PIN(11),
  511. SERVAL_PIN(12),
  512. SERVAL_PIN(13),
  513. SERVAL_PIN(14),
  514. SERVAL_PIN(15),
  515. SERVAL_PIN(16),
  516. SERVAL_PIN(17),
  517. SERVAL_PIN(18),
  518. SERVAL_PIN(19),
  519. SERVAL_PIN(20),
  520. SERVAL_PIN(21),
  521. SERVAL_PIN(22),
  522. SERVAL_PIN(23),
  523. SERVAL_PIN(24),
  524. SERVAL_PIN(25),
  525. SERVAL_PIN(26),
  526. SERVAL_PIN(27),
  527. SERVAL_PIN(28),
  528. SERVAL_PIN(29),
  529. SERVAL_PIN(30),
  530. SERVAL_PIN(31),
  531. };
  532. #define OCELOT_P(p, f0, f1, f2) \
  533. static struct ocelot_pin_caps ocelot_pin_##p = { \
  534. .pin = p, \
  535. .functions = { \
  536. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  537. }, \
  538. }
  539. OCELOT_P(0, SG0, NONE, NONE);
  540. OCELOT_P(1, SG0, NONE, NONE);
  541. OCELOT_P(2, SG0, NONE, NONE);
  542. OCELOT_P(3, SG0, NONE, NONE);
  543. OCELOT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
  544. OCELOT_P(5, IRQ1_IN, IRQ1_OUT, PCI_WAKE);
  545. OCELOT_P(6, UART, TWI_SCL_M, NONE);
  546. OCELOT_P(7, UART, TWI_SCL_M, NONE);
  547. OCELOT_P(8, SI, TWI_SCL_M, IRQ0_OUT);
  548. OCELOT_P(9, SI, TWI_SCL_M, IRQ1_OUT);
  549. OCELOT_P(10, PTP2, TWI_SCL_M, SFP);
  550. OCELOT_P(11, PTP3, TWI_SCL_M, SFP);
  551. OCELOT_P(12, UART2, TWI_SCL_M, SFP);
  552. OCELOT_P(13, UART2, TWI_SCL_M, SFP);
  553. OCELOT_P(14, MIIM, TWI_SCL_M, SFP);
  554. OCELOT_P(15, MIIM, TWI_SCL_M, SFP);
  555. OCELOT_P(16, TWI, NONE, SI);
  556. OCELOT_P(17, TWI, TWI_SCL_M, SI);
  557. OCELOT_P(18, PTP0, TWI_SCL_M, NONE);
  558. OCELOT_P(19, PTP1, TWI_SCL_M, NONE);
  559. OCELOT_P(20, RECO_CLK, TACHO, TWI_SCL_M);
  560. OCELOT_P(21, RECO_CLK, PWM, TWI_SCL_M);
  561. #define OCELOT_PIN(n) { \
  562. .number = n, \
  563. .name = "GPIO_"#n, \
  564. .drv_data = &ocelot_pin_##n \
  565. }
  566. static const struct pinctrl_pin_desc ocelot_pins[] = {
  567. OCELOT_PIN(0),
  568. OCELOT_PIN(1),
  569. OCELOT_PIN(2),
  570. OCELOT_PIN(3),
  571. OCELOT_PIN(4),
  572. OCELOT_PIN(5),
  573. OCELOT_PIN(6),
  574. OCELOT_PIN(7),
  575. OCELOT_PIN(8),
  576. OCELOT_PIN(9),
  577. OCELOT_PIN(10),
  578. OCELOT_PIN(11),
  579. OCELOT_PIN(12),
  580. OCELOT_PIN(13),
  581. OCELOT_PIN(14),
  582. OCELOT_PIN(15),
  583. OCELOT_PIN(16),
  584. OCELOT_PIN(17),
  585. OCELOT_PIN(18),
  586. OCELOT_PIN(19),
  587. OCELOT_PIN(20),
  588. OCELOT_PIN(21),
  589. };
  590. #define JAGUAR2_P(p, f0, f1) \
  591. static struct ocelot_pin_caps jaguar2_pin_##p = { \
  592. .pin = p, \
  593. .functions = { \
  594. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE \
  595. }, \
  596. }
  597. JAGUAR2_P(0, SG0, NONE);
  598. JAGUAR2_P(1, SG0, NONE);
  599. JAGUAR2_P(2, SG0, NONE);
  600. JAGUAR2_P(3, SG0, NONE);
  601. JAGUAR2_P(4, SG1, NONE);
  602. JAGUAR2_P(5, SG1, NONE);
  603. JAGUAR2_P(6, IRQ0_IN, IRQ0_OUT);
  604. JAGUAR2_P(7, IRQ1_IN, IRQ1_OUT);
  605. JAGUAR2_P(8, PTP0, NONE);
  606. JAGUAR2_P(9, PTP1, NONE);
  607. JAGUAR2_P(10, UART, NONE);
  608. JAGUAR2_P(11, UART, NONE);
  609. JAGUAR2_P(12, SG1, NONE);
  610. JAGUAR2_P(13, SG1, NONE);
  611. JAGUAR2_P(14, TWI, TWI_SCL_M);
  612. JAGUAR2_P(15, TWI, NONE);
  613. JAGUAR2_P(16, SI, TWI_SCL_M);
  614. JAGUAR2_P(17, SI, TWI_SCL_M);
  615. JAGUAR2_P(18, SI, TWI_SCL_M);
  616. JAGUAR2_P(19, PCI_WAKE, NONE);
  617. JAGUAR2_P(20, IRQ0_OUT, TWI_SCL_M);
  618. JAGUAR2_P(21, IRQ1_OUT, TWI_SCL_M);
  619. JAGUAR2_P(22, TACHO, NONE);
  620. JAGUAR2_P(23, PWM, NONE);
  621. JAGUAR2_P(24, UART2, NONE);
  622. JAGUAR2_P(25, UART2, SI);
  623. JAGUAR2_P(26, PTP2, SI);
  624. JAGUAR2_P(27, PTP3, SI);
  625. JAGUAR2_P(28, TWI2, SI);
  626. JAGUAR2_P(29, TWI2, SI);
  627. JAGUAR2_P(30, SG2, SI);
  628. JAGUAR2_P(31, SG2, SI);
  629. JAGUAR2_P(32, SG2, SI);
  630. JAGUAR2_P(33, SG2, SI);
  631. JAGUAR2_P(34, NONE, TWI_SCL_M);
  632. JAGUAR2_P(35, NONE, TWI_SCL_M);
  633. JAGUAR2_P(36, NONE, TWI_SCL_M);
  634. JAGUAR2_P(37, NONE, TWI_SCL_M);
  635. JAGUAR2_P(38, NONE, TWI_SCL_M);
  636. JAGUAR2_P(39, NONE, TWI_SCL_M);
  637. JAGUAR2_P(40, NONE, TWI_SCL_M);
  638. JAGUAR2_P(41, NONE, TWI_SCL_M);
  639. JAGUAR2_P(42, NONE, TWI_SCL_M);
  640. JAGUAR2_P(43, NONE, TWI_SCL_M);
  641. JAGUAR2_P(44, NONE, SFP);
  642. JAGUAR2_P(45, NONE, SFP);
  643. JAGUAR2_P(46, NONE, SFP);
  644. JAGUAR2_P(47, NONE, SFP);
  645. JAGUAR2_P(48, SFP, NONE);
  646. JAGUAR2_P(49, SFP, SI);
  647. JAGUAR2_P(50, SFP, SI);
  648. JAGUAR2_P(51, SFP, SI);
  649. JAGUAR2_P(52, SFP, NONE);
  650. JAGUAR2_P(53, SFP, NONE);
  651. JAGUAR2_P(54, SFP, NONE);
  652. JAGUAR2_P(55, SFP, NONE);
  653. JAGUAR2_P(56, MIIM, SFP);
  654. JAGUAR2_P(57, MIIM, SFP);
  655. JAGUAR2_P(58, MIIM, SFP);
  656. JAGUAR2_P(59, MIIM, SFP);
  657. JAGUAR2_P(60, NONE, NONE);
  658. JAGUAR2_P(61, NONE, NONE);
  659. JAGUAR2_P(62, NONE, NONE);
  660. JAGUAR2_P(63, NONE, NONE);
  661. #define JAGUAR2_PIN(n) { \
  662. .number = n, \
  663. .name = "GPIO_"#n, \
  664. .drv_data = &jaguar2_pin_##n \
  665. }
  666. static const struct pinctrl_pin_desc jaguar2_pins[] = {
  667. JAGUAR2_PIN(0),
  668. JAGUAR2_PIN(1),
  669. JAGUAR2_PIN(2),
  670. JAGUAR2_PIN(3),
  671. JAGUAR2_PIN(4),
  672. JAGUAR2_PIN(5),
  673. JAGUAR2_PIN(6),
  674. JAGUAR2_PIN(7),
  675. JAGUAR2_PIN(8),
  676. JAGUAR2_PIN(9),
  677. JAGUAR2_PIN(10),
  678. JAGUAR2_PIN(11),
  679. JAGUAR2_PIN(12),
  680. JAGUAR2_PIN(13),
  681. JAGUAR2_PIN(14),
  682. JAGUAR2_PIN(15),
  683. JAGUAR2_PIN(16),
  684. JAGUAR2_PIN(17),
  685. JAGUAR2_PIN(18),
  686. JAGUAR2_PIN(19),
  687. JAGUAR2_PIN(20),
  688. JAGUAR2_PIN(21),
  689. JAGUAR2_PIN(22),
  690. JAGUAR2_PIN(23),
  691. JAGUAR2_PIN(24),
  692. JAGUAR2_PIN(25),
  693. JAGUAR2_PIN(26),
  694. JAGUAR2_PIN(27),
  695. JAGUAR2_PIN(28),
  696. JAGUAR2_PIN(29),
  697. JAGUAR2_PIN(30),
  698. JAGUAR2_PIN(31),
  699. JAGUAR2_PIN(32),
  700. JAGUAR2_PIN(33),
  701. JAGUAR2_PIN(34),
  702. JAGUAR2_PIN(35),
  703. JAGUAR2_PIN(36),
  704. JAGUAR2_PIN(37),
  705. JAGUAR2_PIN(38),
  706. JAGUAR2_PIN(39),
  707. JAGUAR2_PIN(40),
  708. JAGUAR2_PIN(41),
  709. JAGUAR2_PIN(42),
  710. JAGUAR2_PIN(43),
  711. JAGUAR2_PIN(44),
  712. JAGUAR2_PIN(45),
  713. JAGUAR2_PIN(46),
  714. JAGUAR2_PIN(47),
  715. JAGUAR2_PIN(48),
  716. JAGUAR2_PIN(49),
  717. JAGUAR2_PIN(50),
  718. JAGUAR2_PIN(51),
  719. JAGUAR2_PIN(52),
  720. JAGUAR2_PIN(53),
  721. JAGUAR2_PIN(54),
  722. JAGUAR2_PIN(55),
  723. JAGUAR2_PIN(56),
  724. JAGUAR2_PIN(57),
  725. JAGUAR2_PIN(58),
  726. JAGUAR2_PIN(59),
  727. JAGUAR2_PIN(60),
  728. JAGUAR2_PIN(61),
  729. JAGUAR2_PIN(62),
  730. JAGUAR2_PIN(63),
  731. };
  732. #define SERVALT_P(p, f0, f1, f2) \
  733. static struct ocelot_pin_caps servalt_pin_##p = { \
  734. .pin = p, \
  735. .functions = { \
  736. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
  737. }, \
  738. }
  739. SERVALT_P(0, SG0, NONE, NONE);
  740. SERVALT_P(1, SG0, NONE, NONE);
  741. SERVALT_P(2, SG0, NONE, NONE);
  742. SERVALT_P(3, SG0, NONE, NONE);
  743. SERVALT_P(4, IRQ0_IN, IRQ0_OUT, TWI_SCL_M);
  744. SERVALT_P(5, IRQ1_IN, IRQ1_OUT, TWI_SCL_M);
  745. SERVALT_P(6, UART, NONE, NONE);
  746. SERVALT_P(7, UART, NONE, NONE);
  747. SERVALT_P(8, SI, SFP, TWI_SCL_M);
  748. SERVALT_P(9, PCI_WAKE, SFP, SI);
  749. SERVALT_P(10, PTP0, SFP, TWI_SCL_M);
  750. SERVALT_P(11, PTP1, SFP, TWI_SCL_M);
  751. SERVALT_P(12, REF_CLK, SFP, TWI_SCL_M);
  752. SERVALT_P(13, REF_CLK, SFP, TWI_SCL_M);
  753. SERVALT_P(14, REF_CLK, IRQ0_OUT, SI);
  754. SERVALT_P(15, REF_CLK, IRQ1_OUT, SI);
  755. SERVALT_P(16, TACHO, SFP, SI);
  756. SERVALT_P(17, PWM, NONE, TWI_SCL_M);
  757. SERVALT_P(18, PTP2, SFP, SI);
  758. SERVALT_P(19, PTP3, SFP, SI);
  759. SERVALT_P(20, UART2, SFP, SI);
  760. SERVALT_P(21, UART2, NONE, NONE);
  761. SERVALT_P(22, MIIM, SFP, TWI2);
  762. SERVALT_P(23, MIIM, SFP, TWI2);
  763. SERVALT_P(24, TWI, NONE, NONE);
  764. SERVALT_P(25, TWI, SFP, TWI_SCL_M);
  765. SERVALT_P(26, TWI_SCL_M, SFP, SI);
  766. SERVALT_P(27, TWI_SCL_M, SFP, SI);
  767. SERVALT_P(28, TWI_SCL_M, SFP, SI);
  768. SERVALT_P(29, TWI_SCL_M, NONE, NONE);
  769. SERVALT_P(30, TWI_SCL_M, NONE, NONE);
  770. SERVALT_P(31, TWI_SCL_M, NONE, NONE);
  771. SERVALT_P(32, TWI_SCL_M, NONE, NONE);
  772. SERVALT_P(33, RCVRD_CLK, NONE, NONE);
  773. SERVALT_P(34, RCVRD_CLK, NONE, NONE);
  774. SERVALT_P(35, RCVRD_CLK, NONE, NONE);
  775. SERVALT_P(36, RCVRD_CLK, NONE, NONE);
  776. #define SERVALT_PIN(n) { \
  777. .number = n, \
  778. .name = "GPIO_"#n, \
  779. .drv_data = &servalt_pin_##n \
  780. }
  781. static const struct pinctrl_pin_desc servalt_pins[] = {
  782. SERVALT_PIN(0),
  783. SERVALT_PIN(1),
  784. SERVALT_PIN(2),
  785. SERVALT_PIN(3),
  786. SERVALT_PIN(4),
  787. SERVALT_PIN(5),
  788. SERVALT_PIN(6),
  789. SERVALT_PIN(7),
  790. SERVALT_PIN(8),
  791. SERVALT_PIN(9),
  792. SERVALT_PIN(10),
  793. SERVALT_PIN(11),
  794. SERVALT_PIN(12),
  795. SERVALT_PIN(13),
  796. SERVALT_PIN(14),
  797. SERVALT_PIN(15),
  798. SERVALT_PIN(16),
  799. SERVALT_PIN(17),
  800. SERVALT_PIN(18),
  801. SERVALT_PIN(19),
  802. SERVALT_PIN(20),
  803. SERVALT_PIN(21),
  804. SERVALT_PIN(22),
  805. SERVALT_PIN(23),
  806. SERVALT_PIN(24),
  807. SERVALT_PIN(25),
  808. SERVALT_PIN(26),
  809. SERVALT_PIN(27),
  810. SERVALT_PIN(28),
  811. SERVALT_PIN(29),
  812. SERVALT_PIN(30),
  813. SERVALT_PIN(31),
  814. SERVALT_PIN(32),
  815. SERVALT_PIN(33),
  816. SERVALT_PIN(34),
  817. SERVALT_PIN(35),
  818. SERVALT_PIN(36),
  819. };
  820. #define SPARX5_P(p, f0, f1, f2) \
  821. static struct ocelot_pin_caps sparx5_pin_##p = { \
  822. .pin = p, \
  823. .functions = { \
  824. FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2 \
  825. }, \
  826. }
  827. SPARX5_P(0, SG0, PLL_STAT, NONE);
  828. SPARX5_P(1, SG0, NONE, NONE);
  829. SPARX5_P(2, SG0, NONE, NONE);
  830. SPARX5_P(3, SG0, NONE, NONE);
  831. SPARX5_P(4, SG1, NONE, NONE);
  832. SPARX5_P(5, SG1, NONE, NONE);
  833. SPARX5_P(6, IRQ0_IN, IRQ0_OUT, SFP);
  834. SPARX5_P(7, IRQ1_IN, IRQ1_OUT, SFP);
  835. SPARX5_P(8, PTP0, NONE, SFP);
  836. SPARX5_P(9, PTP1, SFP, TWI_SCL_M);
  837. SPARX5_P(10, UART, NONE, NONE);
  838. SPARX5_P(11, UART, NONE, NONE);
  839. SPARX5_P(12, SG1, NONE, NONE);
  840. SPARX5_P(13, SG1, NONE, NONE);
  841. SPARX5_P(14, TWI, TWI_SCL_M, NONE);
  842. SPARX5_P(15, TWI, NONE, NONE);
  843. SPARX5_P(16, SI, TWI_SCL_M, SFP);
  844. SPARX5_P(17, SI, TWI_SCL_M, SFP);
  845. SPARX5_P(18, SI, TWI_SCL_M, SFP);
  846. SPARX5_P(19, PCI_WAKE, TWI_SCL_M, SFP);
  847. SPARX5_P(20, IRQ0_OUT, TWI_SCL_M, SFP);
  848. SPARX5_P(21, IRQ1_OUT, TACHO, SFP);
  849. SPARX5_P(22, TACHO, IRQ0_OUT, TWI_SCL_M);
  850. SPARX5_P(23, PWM, UART3, TWI_SCL_M);
  851. SPARX5_P(24, PTP2, UART3, TWI_SCL_M);
  852. SPARX5_P(25, PTP3, SI, TWI_SCL_M);
  853. SPARX5_P(26, UART2, SI, TWI_SCL_M);
  854. SPARX5_P(27, UART2, SI, TWI_SCL_M);
  855. SPARX5_P(28, TWI2, SI, SFP);
  856. SPARX5_P(29, TWI2, SI, SFP);
  857. SPARX5_P(30, SG2, SI, PWM);
  858. SPARX5_P(31, SG2, SI, TWI_SCL_M);
  859. SPARX5_P(32, SG2, SI, TWI_SCL_M);
  860. SPARX5_P(33, SG2, SI, SFP);
  861. SPARX5_P(34, NONE, TWI_SCL_M, EMMC);
  862. SPARX5_P(35, SFP, TWI_SCL_M, EMMC);
  863. SPARX5_P(36, SFP, TWI_SCL_M, EMMC);
  864. SPARX5_P(37, SFP, NONE, EMMC);
  865. SPARX5_P(38, NONE, TWI_SCL_M, EMMC);
  866. SPARX5_P(39, SI2, TWI_SCL_M, EMMC);
  867. SPARX5_P(40, SI2, TWI_SCL_M, EMMC);
  868. SPARX5_P(41, SI2, TWI_SCL_M, EMMC);
  869. SPARX5_P(42, SI2, TWI_SCL_M, EMMC);
  870. SPARX5_P(43, SI2, TWI_SCL_M, EMMC);
  871. SPARX5_P(44, SI, SFP, EMMC);
  872. SPARX5_P(45, SI, SFP, EMMC);
  873. SPARX5_P(46, NONE, SFP, EMMC);
  874. SPARX5_P(47, NONE, SFP, EMMC);
  875. SPARX5_P(48, TWI3, SI, SFP);
  876. SPARX5_P(49, TWI3, NONE, SFP);
  877. SPARX5_P(50, SFP, NONE, TWI_SCL_M);
  878. SPARX5_P(51, SFP, SI, TWI_SCL_M);
  879. SPARX5_P(52, SFP, MIIM, TWI_SCL_M);
  880. SPARX5_P(53, SFP, MIIM, TWI_SCL_M);
  881. SPARX5_P(54, SFP, PTP2, TWI_SCL_M);
  882. SPARX5_P(55, SFP, PTP3, PCI_WAKE);
  883. SPARX5_P(56, MIIM, SFP, TWI_SCL_M);
  884. SPARX5_P(57, MIIM, SFP, TWI_SCL_M);
  885. SPARX5_P(58, MIIM, SFP, TWI_SCL_M);
  886. SPARX5_P(59, MIIM, SFP, NONE);
  887. SPARX5_P(60, RECO_CLK, NONE, NONE);
  888. SPARX5_P(61, RECO_CLK, NONE, NONE);
  889. SPARX5_P(62, RECO_CLK, PLL_STAT, NONE);
  890. SPARX5_P(63, RECO_CLK, NONE, NONE);
  891. #define SPARX5_PIN(n) { \
  892. .number = n, \
  893. .name = "GPIO_"#n, \
  894. .drv_data = &sparx5_pin_##n \
  895. }
  896. static const struct pinctrl_pin_desc sparx5_pins[] = {
  897. SPARX5_PIN(0),
  898. SPARX5_PIN(1),
  899. SPARX5_PIN(2),
  900. SPARX5_PIN(3),
  901. SPARX5_PIN(4),
  902. SPARX5_PIN(5),
  903. SPARX5_PIN(6),
  904. SPARX5_PIN(7),
  905. SPARX5_PIN(8),
  906. SPARX5_PIN(9),
  907. SPARX5_PIN(10),
  908. SPARX5_PIN(11),
  909. SPARX5_PIN(12),
  910. SPARX5_PIN(13),
  911. SPARX5_PIN(14),
  912. SPARX5_PIN(15),
  913. SPARX5_PIN(16),
  914. SPARX5_PIN(17),
  915. SPARX5_PIN(18),
  916. SPARX5_PIN(19),
  917. SPARX5_PIN(20),
  918. SPARX5_PIN(21),
  919. SPARX5_PIN(22),
  920. SPARX5_PIN(23),
  921. SPARX5_PIN(24),
  922. SPARX5_PIN(25),
  923. SPARX5_PIN(26),
  924. SPARX5_PIN(27),
  925. SPARX5_PIN(28),
  926. SPARX5_PIN(29),
  927. SPARX5_PIN(30),
  928. SPARX5_PIN(31),
  929. SPARX5_PIN(32),
  930. SPARX5_PIN(33),
  931. SPARX5_PIN(34),
  932. SPARX5_PIN(35),
  933. SPARX5_PIN(36),
  934. SPARX5_PIN(37),
  935. SPARX5_PIN(38),
  936. SPARX5_PIN(39),
  937. SPARX5_PIN(40),
  938. SPARX5_PIN(41),
  939. SPARX5_PIN(42),
  940. SPARX5_PIN(43),
  941. SPARX5_PIN(44),
  942. SPARX5_PIN(45),
  943. SPARX5_PIN(46),
  944. SPARX5_PIN(47),
  945. SPARX5_PIN(48),
  946. SPARX5_PIN(49),
  947. SPARX5_PIN(50),
  948. SPARX5_PIN(51),
  949. SPARX5_PIN(52),
  950. SPARX5_PIN(53),
  951. SPARX5_PIN(54),
  952. SPARX5_PIN(55),
  953. SPARX5_PIN(56),
  954. SPARX5_PIN(57),
  955. SPARX5_PIN(58),
  956. SPARX5_PIN(59),
  957. SPARX5_PIN(60),
  958. SPARX5_PIN(61),
  959. SPARX5_PIN(62),
  960. SPARX5_PIN(63),
  961. };
  962. #define LAN966X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \
  963. static struct ocelot_pin_caps lan966x_pin_##p = { \
  964. .pin = p, \
  965. .functions = { \
  966. FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  967. FUNC_##f3 \
  968. }, \
  969. .a_functions = { \
  970. FUNC_##f4, FUNC_##f5, FUNC_##f6, \
  971. FUNC_##f7 \
  972. }, \
  973. }
  974. /* Pinmuxing table taken from data sheet */
  975. /* Pin FUNC0 FUNC1 FUNC2 FUNC3 FUNC4 FUNC5 FUNC6 FUNC7 */
  976. LAN966X_P(0, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  977. LAN966X_P(1, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  978. LAN966X_P(2, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  979. LAN966X_P(3, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  980. LAN966X_P(4, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  981. LAN966X_P(5, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  982. LAN966X_P(6, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  983. LAN966X_P(7, GPIO, NONE, NONE, NONE, NONE, NONE, NONE, R);
  984. LAN966X_P(8, GPIO, FC0_a, USB_H_b, NONE, USB_S_b, NONE, NONE, R);
  985. LAN966X_P(9, GPIO, FC0_a, USB_H_b, NONE, NONE, NONE, NONE, R);
  986. LAN966X_P(10, GPIO, FC0_a, NONE, NONE, NONE, NONE, NONE, R);
  987. LAN966X_P(11, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  988. LAN966X_P(12, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  989. LAN966X_P(13, GPIO, FC1_a, NONE, NONE, NONE, NONE, NONE, R);
  990. LAN966X_P(14, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R);
  991. LAN966X_P(15, GPIO, FC2_a, NONE, NONE, NONE, NONE, NONE, R);
  992. LAN966X_P(16, GPIO, FC2_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  993. LAN966X_P(17, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  994. LAN966X_P(18, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  995. LAN966X_P(19, GPIO, FC3_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c, R);
  996. LAN966X_P(20, GPIO, FC4_a, IB_TRG_a, NONE, OB_TRG_a, IRQ_IN_c, NONE, R);
  997. LAN966X_P(21, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  998. LAN966X_P(22, GPIO, FC4_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  999. LAN966X_P(23, GPIO, NONE, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  1000. LAN966X_P(24, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_IN_c, TACHO_a, R);
  1001. LAN966X_P(25, GPIO, FC0_b, IB_TRG_a, USB_H_c, OB_TRG_a, IRQ_OUT_c, SFP_SD, R);
  1002. LAN966X_P(26, GPIO, FC0_b, IB_TRG_a, USB_S_c, OB_TRG_a, CAN0_a, SFP_SD, R);
  1003. LAN966X_P(27, GPIO, NONE, NONE, NONE, OB_TRG_a, CAN0_a, PWM_a, R);
  1004. LAN966X_P(28, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, IRQ_OUT_c, SFP_SD, R);
  1005. LAN966X_P(29, GPIO, MIIM_a, NONE, NONE, OB_TRG_a, NONE, NONE, R);
  1006. LAN966X_P(30, GPIO, FC3_c, CAN1, CLKMON, OB_TRG, RECO_b, NONE, R);
  1007. LAN966X_P(31, GPIO, FC3_c, CAN1, CLKMON, OB_TRG, RECO_b, NONE, R);
  1008. LAN966X_P(32, GPIO, FC3_c, NONE, SGPIO_a, NONE, MIIM_Sa, NONE, R);
  1009. LAN966X_P(33, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R);
  1010. LAN966X_P(34, GPIO, FC1_b, NONE, SGPIO_a, NONE, MIIM_Sa, MIIM_b, R);
  1011. LAN966X_P(35, GPIO, FC1_b, PTPSYNC_0, SGPIO_a, CAN0_b, NONE, NONE, R);
  1012. LAN966X_P(36, GPIO, NONE, PTPSYNC_1, NONE, CAN0_b, NONE, NONE, R);
  1013. LAN966X_P(37, GPIO, FC_SHRD0, PTPSYNC_2, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  1014. LAN966X_P(38, GPIO, NONE, PTPSYNC_3, NONE, NONE, NONE, NONE, R);
  1015. LAN966X_P(39, GPIO, NONE, PTPSYNC_4, NONE, NONE, NONE, NONE, R);
  1016. LAN966X_P(40, GPIO, FC_SHRD1, PTPSYNC_5, NONE, NONE, NONE, NONE, R);
  1017. LAN966X_P(41, GPIO, FC_SHRD2, PTPSYNC_6, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  1018. LAN966X_P(42, GPIO, FC_SHRD3, PTPSYNC_7, TWI_SLC_GATE_AD, NONE, NONE, NONE, R);
  1019. LAN966X_P(43, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R);
  1020. LAN966X_P(44, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, RECO_a, IRQ_IN_a, R);
  1021. LAN966X_P(45, GPIO, FC2_b, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, NONE, IRQ_IN_a, R);
  1022. LAN966X_P(46, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD4, IRQ_IN_a, R);
  1023. LAN966X_P(47, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN_a, R);
  1024. LAN966X_P(48, GPIO, FC1_c, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a, R);
  1025. LAN966X_P(49, GPIO, FC_SHRD7, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a, R);
  1026. LAN966X_P(50, GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE, R);
  1027. LAN966X_P(51, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, PWM_b, IRQ_IN_b, R);
  1028. LAN966X_P(52, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b, IRQ_IN_b, R);
  1029. LAN966X_P(53, GPIO, FC3_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, NONE, IRQ_IN_b, R);
  1030. LAN966X_P(54, GPIO, FC_SHRD8, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R);
  1031. LAN966X_P(55, GPIO, FC_SHRD9, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b, R);
  1032. LAN966X_P(56, GPIO, FC4_b, OB_TRG_b, IB_TRG_c, IRQ_OUT_b, FC_SHRD10, IRQ_IN_b, R);
  1033. LAN966X_P(57, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD11, IRQ_IN_b, R);
  1034. LAN966X_P(58, GPIO, FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD12, IRQ_IN_b, R);
  1035. LAN966X_P(59, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R);
  1036. LAN966X_P(60, GPIO, QSPI1, MIIM_c, NONE, NONE, MIIM_Sb, NONE, R);
  1037. LAN966X_P(61, GPIO, QSPI1, NONE, SGPIO_b, FC0_c, MIIM_Sb, NONE, R);
  1038. LAN966X_P(62, GPIO, QSPI1, FC_SHRD13, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R);
  1039. LAN966X_P(63, GPIO, QSPI1, FC_SHRD14, SGPIO_b, FC0_c, TWI_SLC_GATE, SFP_SD, R);
  1040. LAN966X_P(64, GPIO, QSPI1, FC4_c, SGPIO_b, FC_SHRD15, TWI_SLC_GATE, SFP_SD, R);
  1041. LAN966X_P(65, GPIO, USB_H_a, FC4_c, NONE, IRQ_OUT_c, TWI_SLC_GATE_AD, NONE, R);
  1042. LAN966X_P(66, GPIO, USB_H_a, FC4_c, USB_S_a, IRQ_OUT_c, IRQ_IN_c, NONE, R);
  1043. LAN966X_P(67, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1044. LAN966X_P(68, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1045. LAN966X_P(69, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1046. LAN966X_P(70, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1047. LAN966X_P(71, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1048. LAN966X_P(72, GPIO, EMMC_SD, NONE, QSPI2, NONE, NONE, NONE, R);
  1049. LAN966X_P(73, GPIO, EMMC, NONE, NONE, SD, NONE, NONE, R);
  1050. LAN966X_P(74, GPIO, EMMC, NONE, FC_SHRD17, SD, TWI_SLC_GATE, NONE, R);
  1051. LAN966X_P(75, GPIO, EMMC, NONE, FC_SHRD18, SD, TWI_SLC_GATE, NONE, R);
  1052. LAN966X_P(76, GPIO, EMMC, NONE, FC_SHRD19, SD, TWI_SLC_GATE, NONE, R);
  1053. LAN966X_P(77, GPIO, EMMC_SD, NONE, FC_SHRD20, NONE, TWI_SLC_GATE, NONE, R);
  1054. #define LAN966X_PIN(n) { \
  1055. .number = n, \
  1056. .name = "GPIO_"#n, \
  1057. .drv_data = &lan966x_pin_##n \
  1058. }
  1059. static const struct pinctrl_pin_desc lan966x_pins[] = {
  1060. LAN966X_PIN(0),
  1061. LAN966X_PIN(1),
  1062. LAN966X_PIN(2),
  1063. LAN966X_PIN(3),
  1064. LAN966X_PIN(4),
  1065. LAN966X_PIN(5),
  1066. LAN966X_PIN(6),
  1067. LAN966X_PIN(7),
  1068. LAN966X_PIN(8),
  1069. LAN966X_PIN(9),
  1070. LAN966X_PIN(10),
  1071. LAN966X_PIN(11),
  1072. LAN966X_PIN(12),
  1073. LAN966X_PIN(13),
  1074. LAN966X_PIN(14),
  1075. LAN966X_PIN(15),
  1076. LAN966X_PIN(16),
  1077. LAN966X_PIN(17),
  1078. LAN966X_PIN(18),
  1079. LAN966X_PIN(19),
  1080. LAN966X_PIN(20),
  1081. LAN966X_PIN(21),
  1082. LAN966X_PIN(22),
  1083. LAN966X_PIN(23),
  1084. LAN966X_PIN(24),
  1085. LAN966X_PIN(25),
  1086. LAN966X_PIN(26),
  1087. LAN966X_PIN(27),
  1088. LAN966X_PIN(28),
  1089. LAN966X_PIN(29),
  1090. LAN966X_PIN(30),
  1091. LAN966X_PIN(31),
  1092. LAN966X_PIN(32),
  1093. LAN966X_PIN(33),
  1094. LAN966X_PIN(34),
  1095. LAN966X_PIN(35),
  1096. LAN966X_PIN(36),
  1097. LAN966X_PIN(37),
  1098. LAN966X_PIN(38),
  1099. LAN966X_PIN(39),
  1100. LAN966X_PIN(40),
  1101. LAN966X_PIN(41),
  1102. LAN966X_PIN(42),
  1103. LAN966X_PIN(43),
  1104. LAN966X_PIN(44),
  1105. LAN966X_PIN(45),
  1106. LAN966X_PIN(46),
  1107. LAN966X_PIN(47),
  1108. LAN966X_PIN(48),
  1109. LAN966X_PIN(49),
  1110. LAN966X_PIN(50),
  1111. LAN966X_PIN(51),
  1112. LAN966X_PIN(52),
  1113. LAN966X_PIN(53),
  1114. LAN966X_PIN(54),
  1115. LAN966X_PIN(55),
  1116. LAN966X_PIN(56),
  1117. LAN966X_PIN(57),
  1118. LAN966X_PIN(58),
  1119. LAN966X_PIN(59),
  1120. LAN966X_PIN(60),
  1121. LAN966X_PIN(61),
  1122. LAN966X_PIN(62),
  1123. LAN966X_PIN(63),
  1124. LAN966X_PIN(64),
  1125. LAN966X_PIN(65),
  1126. LAN966X_PIN(66),
  1127. LAN966X_PIN(67),
  1128. LAN966X_PIN(68),
  1129. LAN966X_PIN(69),
  1130. LAN966X_PIN(70),
  1131. LAN966X_PIN(71),
  1132. LAN966X_PIN(72),
  1133. LAN966X_PIN(73),
  1134. LAN966X_PIN(74),
  1135. LAN966X_PIN(75),
  1136. LAN966X_PIN(76),
  1137. LAN966X_PIN(77),
  1138. };
  1139. #define LAN969X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \
  1140. static struct ocelot_pin_caps lan969x_pin_##p = { \
  1141. .pin = p, \
  1142. .functions = { \
  1143. FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  1144. FUNC_##f3 \
  1145. }, \
  1146. .a_functions = { \
  1147. FUNC_##f4, FUNC_##f5, FUNC_##f6, \
  1148. FUNC_##f7 \
  1149. }, \
  1150. }
  1151. /* Pinmuxing table taken from data sheet */
  1152. /* Pin FUNC0 FUNC1 FUNC2 FUNC3 FUNC4 FUNC5 FUNC6 FUNC7 */
  1153. LAN969X_P(0, GPIO, IRQ0, FC_SHRD, PCIE_PERST, NONE, NONE, NONE, R);
  1154. LAN969X_P(1, GPIO, IRQ1, FC_SHRD, USB_POWER, NONE, NONE, NONE, R);
  1155. LAN969X_P(2, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
  1156. LAN969X_P(3, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
  1157. LAN969X_P(4, GPIO, FC, NONE, NONE, NONE, NONE, NONE, R);
  1158. LAN969X_P(5, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
  1159. LAN969X_P(6, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
  1160. LAN969X_P(7, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
  1161. LAN969X_P(8, GPIO, SGPIO_a, NONE, CLKMON, NONE, NONE, NONE, R);
  1162. LAN969X_P(9, GPIO, MIIM, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
  1163. LAN969X_P(10, GPIO, MIIM, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
  1164. LAN969X_P(11, GPIO, MIIM_IRQ, MIIM_Sa, CLKMON, NONE, NONE, NONE, R);
  1165. LAN969X_P(12, GPIO, IRQ3, FC_SHRD, USB2PHY_RST, NONE, NONE, NONE, R);
  1166. LAN969X_P(13, GPIO, IRQ4, FC_SHRD, USB_OVER_DETECT, NONE, NONE, NONE, R);
  1167. LAN969X_P(14, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
  1168. LAN969X_P(15, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
  1169. LAN969X_P(16, GPIO, EMMC_SD, QSPI1, FC, NONE, NONE, NONE, R);
  1170. LAN969X_P(17, GPIO, EMMC_SD, QSPI1, PTPSYNC_0, USB_POWER, NONE, NONE, R);
  1171. LAN969X_P(18, GPIO, EMMC_SD, QSPI1, PTPSYNC_1, USB2PHY_RST, NONE, NONE, R);
  1172. LAN969X_P(19, GPIO, EMMC_SD, QSPI1, PTPSYNC_2, USB_OVER_DETECT, NONE, NONE, R);
  1173. LAN969X_P(20, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
  1174. LAN969X_P(21, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
  1175. LAN969X_P(22, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
  1176. LAN969X_P(23, GPIO, EMMC_SD, NONE, FC_SHRD, NONE, NONE, NONE, R);
  1177. LAN969X_P(24, GPIO, EMMC_SD, NONE, NONE, NONE, NONE, NONE, R);
  1178. LAN969X_P(25, GPIO, FAN, FUSA, CAN0_a, QSPI1, NONE, NONE, R);
  1179. LAN969X_P(26, GPIO, FAN, FUSA, CAN0_a, QSPI1, NONE, NONE, R);
  1180. LAN969X_P(27, GPIO, SYNCE, FC, MIIM, QSPI1, NONE, NONE, R);
  1181. LAN969X_P(28, GPIO, SYNCE, FC, MIIM, QSPI1, NONE, NONE, R);
  1182. LAN969X_P(29, GPIO, SYNCE, FC, MIIM_IRQ, QSPI1, NONE, NONE, R);
  1183. LAN969X_P(30, GPIO, PTPSYNC_0, USB_ULPI, FC_SHRD, QSPI1, NONE, NONE, R);
  1184. LAN969X_P(31, GPIO, PTPSYNC_1, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
  1185. LAN969X_P(32, GPIO, PTPSYNC_2, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
  1186. LAN969X_P(33, GPIO, SD, USB_ULPI, FC_SHRD, NONE, NONE, NONE, R);
  1187. LAN969X_P(34, GPIO, SD, USB_ULPI, CAN1, FC_SHRD, NONE, NONE, R);
  1188. LAN969X_P(35, GPIO, SD, USB_ULPI, CAN1, FC_SHRD, NONE, NONE, R);
  1189. LAN969X_P(36, GPIO, SD, USB_ULPI, PCIE_PERST, FC_SHRD, NONE, NONE, R);
  1190. LAN969X_P(37, GPIO, SD, USB_ULPI, CAN0_b, NONE, NONE, NONE, R);
  1191. LAN969X_P(38, GPIO, SD, USB_ULPI, CAN0_b, NONE, NONE, NONE, R);
  1192. LAN969X_P(39, GPIO, SD, USB_ULPI, MIIM, NONE, NONE, NONE, R);
  1193. LAN969X_P(40, GPIO, SD, USB_ULPI, MIIM, NONE, NONE, NONE, R);
  1194. LAN969X_P(41, GPIO, SD, USB_ULPI, MIIM_IRQ, NONE, NONE, NONE, R);
  1195. LAN969X_P(42, GPIO, PTPSYNC_3, CAN1, NONE, NONE, NONE, NONE, R);
  1196. LAN969X_P(43, GPIO, PTPSYNC_4, CAN1, NONE, NONE, NONE, NONE, R);
  1197. LAN969X_P(44, GPIO, PTPSYNC_5, SFP_SD, NONE, NONE, NONE, NONE, R);
  1198. LAN969X_P(45, GPIO, PTPSYNC_6, SFP_SD, NONE, NONE, NONE, NONE, R);
  1199. LAN969X_P(46, GPIO, PTPSYNC_7, SFP_SD, NONE, NONE, NONE, NONE, R);
  1200. LAN969X_P(47, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
  1201. LAN969X_P(48, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
  1202. LAN969X_P(49, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
  1203. LAN969X_P(50, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
  1204. LAN969X_P(51, GPIO, NONE, SFP_SD, NONE, NONE, NONE, NONE, R);
  1205. LAN969X_P(52, GPIO, FAN, SFP_SD, NONE, NONE, NONE, NONE, R);
  1206. LAN969X_P(53, GPIO, FAN, SFP_SD, NONE, NONE, NONE, NONE, R);
  1207. LAN969X_P(54, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
  1208. LAN969X_P(55, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
  1209. LAN969X_P(56, GPIO, SYNCE, FC, NONE, NONE, NONE, NONE, R);
  1210. LAN969X_P(57, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_3, NONE, NONE, R);
  1211. LAN969X_P(58, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_4, NONE, NONE, R);
  1212. LAN969X_P(59, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_5, NONE, NONE, R);
  1213. LAN969X_P(60, GPIO, SFP_SD, FC_SHRD, TWI, PTPSYNC_6, NONE, NONE, R);
  1214. LAN969X_P(61, GPIO, MIIM, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1215. LAN969X_P(62, GPIO, MIIM, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1216. LAN969X_P(63, GPIO, MIIM_IRQ, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1217. LAN969X_P(64, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1218. LAN969X_P(65, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1219. LAN969X_P(66, GPIO, FC, FC_SHRD, TWI, NONE, NONE, NONE, R);
  1220. #define LAN969X_PIN(n) { \
  1221. .number = n, \
  1222. .name = "GPIO_"#n, \
  1223. .drv_data = &lan969x_pin_##n \
  1224. }
  1225. static const struct pinctrl_pin_desc lan969x_pins[] = {
  1226. LAN969X_PIN(0),
  1227. LAN969X_PIN(1),
  1228. LAN969X_PIN(2),
  1229. LAN969X_PIN(3),
  1230. LAN969X_PIN(4),
  1231. LAN969X_PIN(5),
  1232. LAN969X_PIN(6),
  1233. LAN969X_PIN(7),
  1234. LAN969X_PIN(8),
  1235. LAN969X_PIN(9),
  1236. LAN969X_PIN(10),
  1237. LAN969X_PIN(11),
  1238. LAN969X_PIN(12),
  1239. LAN969X_PIN(13),
  1240. LAN969X_PIN(14),
  1241. LAN969X_PIN(15),
  1242. LAN969X_PIN(16),
  1243. LAN969X_PIN(17),
  1244. LAN969X_PIN(18),
  1245. LAN969X_PIN(19),
  1246. LAN969X_PIN(20),
  1247. LAN969X_PIN(21),
  1248. LAN969X_PIN(22),
  1249. LAN969X_PIN(23),
  1250. LAN969X_PIN(24),
  1251. LAN969X_PIN(25),
  1252. LAN969X_PIN(26),
  1253. LAN969X_PIN(27),
  1254. LAN969X_PIN(28),
  1255. LAN969X_PIN(29),
  1256. LAN969X_PIN(30),
  1257. LAN969X_PIN(31),
  1258. LAN969X_PIN(32),
  1259. LAN969X_PIN(33),
  1260. LAN969X_PIN(34),
  1261. LAN969X_PIN(35),
  1262. LAN969X_PIN(36),
  1263. LAN969X_PIN(37),
  1264. LAN969X_PIN(38),
  1265. LAN969X_PIN(39),
  1266. LAN969X_PIN(40),
  1267. LAN969X_PIN(41),
  1268. LAN969X_PIN(42),
  1269. LAN969X_PIN(43),
  1270. LAN969X_PIN(44),
  1271. LAN969X_PIN(45),
  1272. LAN969X_PIN(46),
  1273. LAN969X_PIN(47),
  1274. LAN969X_PIN(48),
  1275. LAN969X_PIN(49),
  1276. LAN969X_PIN(50),
  1277. LAN969X_PIN(51),
  1278. LAN969X_PIN(52),
  1279. LAN969X_PIN(53),
  1280. LAN969X_PIN(54),
  1281. LAN969X_PIN(55),
  1282. LAN969X_PIN(56),
  1283. LAN969X_PIN(57),
  1284. LAN969X_PIN(58),
  1285. LAN969X_PIN(59),
  1286. LAN969X_PIN(60),
  1287. LAN969X_PIN(61),
  1288. LAN969X_PIN(62),
  1289. LAN969X_PIN(63),
  1290. LAN969X_PIN(64),
  1291. LAN969X_PIN(65),
  1292. LAN969X_PIN(66),
  1293. };
  1294. #define LAN9645X_P(p, f0, f1, f2, f3, f4, f5, f6, f7) \
  1295. static struct ocelot_pin_caps lan9645x_pin_##p = { \
  1296. .pin = p, \
  1297. .functions = { \
  1298. FUNC_##f0, FUNC_##f1, FUNC_##f2, \
  1299. FUNC_##f3 \
  1300. }, \
  1301. .a_functions = { \
  1302. FUNC_##f4, FUNC_##f5, FUNC_##f6, \
  1303. FUNC_##f7 \
  1304. }, \
  1305. }
  1306. /* Pin FUNC0 FUNC1 FUNC2 FUNC3 FUNC4 FUNC5 FUNC6 FUNC7 */
  1307. LAN9645X_P(0, GPIO, SPI, SI_Sa, I2C_Sa, MIIM_Sa, UART, MIIM, PHY_DBG);
  1308. LAN9645X_P(1, GPIO, SPI, SI_Sa, I2C_Sa, MIIM_Sa, UART, MIIM, PHY_DBG);
  1309. LAN9645X_P(2, GPIO, SPI, SI_Sa, I2C, NONE, NONE, NONE, PHY_DBG);
  1310. LAN9645X_P(3, GPIO, SPI, SI_Sa, I2C, MIIM_Sa, NONE, NONE, PHY_DBG);
  1311. LAN9645X_P(4, GPIO, RGMII, TWI_SCL_M, I2C, NONE, NONE, SI_Sa, PHY_DBG);
  1312. LAN9645X_P(5, GPIO, RGMII, TWI_SCL_M, I2C, NONE, NONE, SI_Sa, PHY_DBG);
  1313. LAN9645X_P(6, GPIO, RGMII, TWI_SCL_M, NONE, NONE, NONE, SI_Sa, PHY_DBG);
  1314. LAN9645X_P(7, GPIO, RGMII, TWI_SCL_M, SFP, SGPIO_a, MIIM, SI_Sa, PHY_DBG);
  1315. LAN9645X_P(8, GPIO, RGMII, TWI_SCL_M, SFP, SGPIO_a, MIIM, NONE, PHY_DBG);
  1316. LAN9645X_P(9, GPIO, RGMII, TWI_SCL_M, RECO_CLK, SGPIO_a, IRQ1, UART, PHY_DBG);
  1317. LAN9645X_P(10, GPIO, RGMII, TWI_SCL_M, RECO_CLK, SGPIO_a, IRQ2, UART, PHY_DBG);
  1318. LAN9645X_P(11, GPIO, RGMII, TWI_SCL_M, MIIM, NONE, IRQ3, NONE, PHY_DBG);
  1319. LAN9645X_P(12, GPIO, RGMII, TWI_SCL_M, MIIM, PTP0, NONE, NONE, PHY_DBG);
  1320. LAN9645X_P(13, GPIO, RGMII, TWI_SCL_M, CLKMON, PTP1, MACLED, NONE, PHY_DBG);
  1321. LAN9645X_P(14, GPIO, RGMII, TWI_SCL_M, CLKMON, PTP2, MACLED, NONE, PHY_DBG);
  1322. LAN9645X_P(15, GPIO, RGMII, TWI_SCL_M, CLKMON, PTP3, NONE, NONE, PHY_DBG);
  1323. LAN9645X_P(16, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1324. LAN9645X_P(17, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1325. LAN9645X_P(18, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1326. LAN9645X_P(19, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1327. LAN9645X_P(20, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1328. LAN9645X_P(21, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1329. LAN9645X_P(22, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1330. LAN9645X_P(23, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1331. LAN9645X_P(24, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1332. LAN9645X_P(25, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1333. LAN9645X_P(26, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1334. LAN9645X_P(27, GPIO, RGMII, NONE, NONE, NONE, NONE, NONE, PHY_DBG);
  1335. LAN9645X_P(28, GPIO, RECO_CLK, MIIM, NONE, NONE, NONE, NONE, R);
  1336. LAN9645X_P(29, GPIO, RECO_CLK, MIIM, NONE, NONE, NONE, NONE, R);
  1337. LAN9645X_P(30, GPIO, PTP0, I2C, UART, NONE, NONE, NONE, R);
  1338. LAN9645X_P(31, GPIO, PTP1, TWI_SCL_M, UART, NONE, NONE, NONE, R);
  1339. LAN9645X_P(32, GPIO, PTP2, TWI_SCL_M, NONE, NONE, NONE, NONE, R);
  1340. LAN9645X_P(33, GPIO, PTP3, IRQ0, NONE, NONE, NONE, NONE, R);
  1341. LAN9645X_P(34, GPIO, RECO_CLK, PHY_LED, PHY_LED, NONE, NONE, NONE, R);
  1342. LAN9645X_P(35, GPIO, RECO_CLK, PHY_LED, PHY_LED, NONE, MACLED, NONE, R);
  1343. LAN9645X_P(36, GPIO, PTP0, PHY_LED, PHY_LED, NONE, MACLED, NONE, R);
  1344. LAN9645X_P(37, GPIO, PTP1, PHY_LED, PHY_LED, NONE, MACLED, NONE, R);
  1345. LAN9645X_P(38, GPIO, NONE, PHY_LED, PHY_LED, NONE, MACLED, NONE, R);
  1346. LAN9645X_P(39, GPIO, UART, PHY_LED, NONE, NONE, MACLED, NONE, R);
  1347. LAN9645X_P(40, GPIO, SPI, PHY_LED, SGPIO_a, NONE, MACLED, NONE, R);
  1348. LAN9645X_P(41, GPIO, SPI, PHY_LED, SGPIO_a, IRQ1, MACLED, NONE, R);
  1349. LAN9645X_P(42, GPIO, SPI, PHY_LED, SGPIO_a, IRQ2, MACLED, SFP, R);
  1350. LAN9645X_P(43, GPIO, SPI, PHY_LED, SGPIO_a, IRQ3, MACLED, SFP, R);
  1351. LAN9645X_P(44, GPIO, MIIM, I2C, NONE, NONE, NONE, NONE, R);
  1352. LAN9645X_P(45, GPIO, MIIM, I2C, NONE, NONE, NONE, NONE, R);
  1353. LAN9645X_P(46, GPIO, NONE, PHY_LED, NONE, NONE, NONE, NONE, R);
  1354. LAN9645X_P(47, GPIO, NONE, PHY_LED, NONE, NONE, NONE, NONE, R);
  1355. LAN9645X_P(48, GPIO, MIIM_Sa, PHY_LED, NONE, NONE, NONE, NONE, R);
  1356. LAN9645X_P(49, GPIO, MIIM_Sa, PHY_LED, I2C_Sa, NONE, NONE, NONE, R);
  1357. LAN9645X_P(50, GPIO, MIIM_Sa, PHY_LED, I2C_Sa, NONE, NONE, NONE, R);
  1358. #define LAN9645X_PIN(n) { \
  1359. .number = n, \
  1360. .name = "GPIO_"#n, \
  1361. .drv_data = &lan9645x_pin_##n \
  1362. }
  1363. static const struct pinctrl_pin_desc lan9645x_pins[] = {
  1364. LAN9645X_PIN(0),
  1365. LAN9645X_PIN(1),
  1366. LAN9645X_PIN(2),
  1367. LAN9645X_PIN(3),
  1368. LAN9645X_PIN(4),
  1369. LAN9645X_PIN(5),
  1370. LAN9645X_PIN(6),
  1371. LAN9645X_PIN(7),
  1372. LAN9645X_PIN(8),
  1373. LAN9645X_PIN(9),
  1374. LAN9645X_PIN(10),
  1375. LAN9645X_PIN(11),
  1376. LAN9645X_PIN(12),
  1377. LAN9645X_PIN(13),
  1378. LAN9645X_PIN(14),
  1379. LAN9645X_PIN(15),
  1380. LAN9645X_PIN(16),
  1381. LAN9645X_PIN(17),
  1382. LAN9645X_PIN(18),
  1383. LAN9645X_PIN(19),
  1384. LAN9645X_PIN(20),
  1385. LAN9645X_PIN(21),
  1386. LAN9645X_PIN(22),
  1387. LAN9645X_PIN(23),
  1388. LAN9645X_PIN(24),
  1389. LAN9645X_PIN(25),
  1390. LAN9645X_PIN(26),
  1391. LAN9645X_PIN(27),
  1392. LAN9645X_PIN(28),
  1393. LAN9645X_PIN(29),
  1394. LAN9645X_PIN(30),
  1395. LAN9645X_PIN(31),
  1396. LAN9645X_PIN(32),
  1397. LAN9645X_PIN(33),
  1398. LAN9645X_PIN(34),
  1399. LAN9645X_PIN(35),
  1400. LAN9645X_PIN(36),
  1401. LAN9645X_PIN(37),
  1402. LAN9645X_PIN(38),
  1403. LAN9645X_PIN(39),
  1404. LAN9645X_PIN(40),
  1405. LAN9645X_PIN(41),
  1406. LAN9645X_PIN(42),
  1407. LAN9645X_PIN(43),
  1408. LAN9645X_PIN(44),
  1409. LAN9645X_PIN(45),
  1410. LAN9645X_PIN(46),
  1411. LAN9645X_PIN(47),
  1412. LAN9645X_PIN(48),
  1413. LAN9645X_PIN(49),
  1414. LAN9645X_PIN(50),
  1415. };
  1416. static int ocelot_get_functions_count(struct pinctrl_dev *pctldev)
  1417. {
  1418. return ARRAY_SIZE(ocelot_function_names);
  1419. }
  1420. static const char *ocelot_get_function_name(struct pinctrl_dev *pctldev,
  1421. unsigned int function)
  1422. {
  1423. return ocelot_function_names[function];
  1424. }
  1425. static int ocelot_get_function_groups(struct pinctrl_dev *pctldev,
  1426. unsigned int function,
  1427. const char *const **groups,
  1428. unsigned *const num_groups)
  1429. {
  1430. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1431. *groups = info->func[function].groups;
  1432. *num_groups = info->func[function].ngroups;
  1433. return 0;
  1434. }
  1435. static int ocelot_pin_function_idx(struct ocelot_pinctrl *info,
  1436. unsigned int pin, unsigned int function)
  1437. {
  1438. struct ocelot_pin_caps *p = info->desc->pins[pin].drv_data;
  1439. int i;
  1440. for (i = 0; i < OCELOT_FUNC_PER_PIN; i++) {
  1441. if (function == p->functions[i])
  1442. return i;
  1443. if (function == p->a_functions[i])
  1444. return i + OCELOT_FUNC_PER_PIN;
  1445. }
  1446. return -1;
  1447. }
  1448. #define REG_ALT(msb, info, p) (OCELOT_GPIO_ALT0 * (info)->stride + 4 * ((msb) + ((info)->altm_stride * ((p) / 32))))
  1449. static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev,
  1450. unsigned int selector, unsigned int group)
  1451. {
  1452. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1453. struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
  1454. unsigned int p = pin->pin % 32;
  1455. int f;
  1456. f = ocelot_pin_function_idx(info, group, selector);
  1457. if (f < 0)
  1458. return -EINVAL;
  1459. /*
  1460. * f is encoded on two bits.
  1461. * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
  1462. * ALT[1]
  1463. * This is racy because both registers can't be updated at the same time
  1464. * but it doesn't matter much for now.
  1465. * Note: ALT0/ALT1 are organized specially for 64 gpio targets
  1466. */
  1467. regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
  1468. BIT(p), f << p);
  1469. regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
  1470. BIT(p), (f >> 1) << p);
  1471. return 0;
  1472. }
  1473. static int lan966x_pinmux_set_mux(struct pinctrl_dev *pctldev,
  1474. unsigned int selector, unsigned int group)
  1475. {
  1476. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1477. struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
  1478. unsigned int p = pin->pin % 32;
  1479. int f;
  1480. f = ocelot_pin_function_idx(info, group, selector);
  1481. if (f < 0)
  1482. return -EINVAL;
  1483. /*
  1484. * f is encoded on three bits.
  1485. * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
  1486. * ALT[1], bit 2 of f goes in BIT(pin) of ALT[2]
  1487. * This is racy because three registers can't be updated at the same time
  1488. * but it doesn't matter much for now.
  1489. * Note: ALT0/ALT1/ALT2 are organized specially for 78 gpio targets
  1490. */
  1491. regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
  1492. BIT(p), f << p);
  1493. regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
  1494. BIT(p), (f >> 1) << p);
  1495. regmap_update_bits(info->map, REG_ALT(2, info, pin->pin),
  1496. BIT(p), (f >> 2) << p);
  1497. return 0;
  1498. }
  1499. #define REG(r, info, p) ((r) * (info)->stride + (4 * ((p) / 32)))
  1500. static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev,
  1501. struct pinctrl_gpio_range *range,
  1502. unsigned int pin, bool input)
  1503. {
  1504. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1505. unsigned int p = pin % 32;
  1506. regmap_update_bits(info->map, REG(OCELOT_GPIO_OE, info, pin), BIT(p),
  1507. input ? 0 : BIT(p));
  1508. return 0;
  1509. }
  1510. static int ocelot_gpio_request_enable(struct pinctrl_dev *pctldev,
  1511. struct pinctrl_gpio_range *range,
  1512. unsigned int offset)
  1513. {
  1514. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1515. unsigned int p = offset % 32;
  1516. regmap_update_bits(info->map, REG_ALT(0, info, offset),
  1517. BIT(p), 0);
  1518. regmap_update_bits(info->map, REG_ALT(1, info, offset),
  1519. BIT(p), 0);
  1520. return 0;
  1521. }
  1522. static int lan966x_gpio_request_enable(struct pinctrl_dev *pctldev,
  1523. struct pinctrl_gpio_range *range,
  1524. unsigned int offset)
  1525. {
  1526. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1527. unsigned int p = offset % 32;
  1528. regmap_update_bits(info->map, REG_ALT(0, info, offset),
  1529. BIT(p), 0);
  1530. regmap_update_bits(info->map, REG_ALT(1, info, offset),
  1531. BIT(p), 0);
  1532. regmap_update_bits(info->map, REG_ALT(2, info, offset),
  1533. BIT(p), 0);
  1534. return 0;
  1535. }
  1536. static int lan9645x_gpio_request_enable(struct pinctrl_dev *pctldev,
  1537. struct pinctrl_gpio_range *range,
  1538. unsigned int offset)
  1539. {
  1540. return 0;
  1541. }
  1542. static const struct pinmux_ops ocelot_pmx_ops = {
  1543. .get_functions_count = ocelot_get_functions_count,
  1544. .get_function_name = ocelot_get_function_name,
  1545. .get_function_groups = ocelot_get_function_groups,
  1546. .set_mux = ocelot_pinmux_set_mux,
  1547. .gpio_set_direction = ocelot_gpio_set_direction,
  1548. .gpio_request_enable = ocelot_gpio_request_enable,
  1549. };
  1550. static const struct pinmux_ops lan966x_pmx_ops = {
  1551. .get_functions_count = ocelot_get_functions_count,
  1552. .get_function_name = ocelot_get_function_name,
  1553. .get_function_groups = ocelot_get_function_groups,
  1554. .set_mux = lan966x_pinmux_set_mux,
  1555. .gpio_set_direction = ocelot_gpio_set_direction,
  1556. .gpio_request_enable = lan966x_gpio_request_enable,
  1557. };
  1558. static const struct pinmux_ops lan9645x_pmx_ops = {
  1559. .get_functions_count = ocelot_get_functions_count,
  1560. .get_function_name = ocelot_get_function_name,
  1561. .get_function_groups = ocelot_get_function_groups,
  1562. .set_mux = lan966x_pinmux_set_mux,
  1563. .gpio_set_direction = ocelot_gpio_set_direction,
  1564. .gpio_request_enable = lan9645x_gpio_request_enable,
  1565. };
  1566. static int ocelot_pctl_get_groups_count(struct pinctrl_dev *pctldev)
  1567. {
  1568. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1569. return info->desc->npins;
  1570. }
  1571. static const char *ocelot_pctl_get_group_name(struct pinctrl_dev *pctldev,
  1572. unsigned int group)
  1573. {
  1574. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1575. return info->desc->pins[group].name;
  1576. }
  1577. static int ocelot_pctl_get_group_pins(struct pinctrl_dev *pctldev,
  1578. unsigned int group,
  1579. const unsigned int **pins,
  1580. unsigned int *num_pins)
  1581. {
  1582. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1583. *pins = &info->desc->pins[group].number;
  1584. *num_pins = 1;
  1585. return 0;
  1586. }
  1587. static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
  1588. unsigned int pin,
  1589. unsigned int reg,
  1590. int *val)
  1591. {
  1592. int ret = -EOPNOTSUPP;
  1593. if (info->pincfg) {
  1594. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1595. u32 regcfg;
  1596. ret = regmap_read(info->pincfg,
  1597. pin * regmap_get_reg_stride(info->pincfg),
  1598. &regcfg);
  1599. if (ret)
  1600. return ret;
  1601. ret = 0;
  1602. switch (reg) {
  1603. case PINCONF_BIAS:
  1604. *val = regcfg & (opd->pd_bit | opd->pu_bit);
  1605. break;
  1606. case PINCONF_SCHMITT:
  1607. *val = regcfg & opd->schmitt_bit;
  1608. break;
  1609. case PINCONF_DRIVE_STRENGTH:
  1610. *val = regcfg & opd->drive_bits;
  1611. break;
  1612. default:
  1613. ret = -EOPNOTSUPP;
  1614. break;
  1615. }
  1616. }
  1617. return ret;
  1618. }
  1619. static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr,
  1620. u32 clrbits, u32 setbits)
  1621. {
  1622. u32 val;
  1623. int ret;
  1624. ret = regmap_read(info->pincfg,
  1625. regaddr * regmap_get_reg_stride(info->pincfg),
  1626. &val);
  1627. if (ret)
  1628. return ret;
  1629. val &= ~clrbits;
  1630. val |= setbits;
  1631. ret = regmap_write(info->pincfg,
  1632. regaddr * regmap_get_reg_stride(info->pincfg),
  1633. val);
  1634. return ret;
  1635. }
  1636. static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
  1637. unsigned int pin,
  1638. unsigned int reg,
  1639. int val)
  1640. {
  1641. int ret = -EOPNOTSUPP;
  1642. if (info->pincfg) {
  1643. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1644. switch (reg) {
  1645. case PINCONF_BIAS:
  1646. ret = ocelot_pincfg_clrsetbits(info, pin,
  1647. opd->pd_bit | opd->pu_bit,
  1648. val);
  1649. break;
  1650. case PINCONF_SCHMITT:
  1651. ret = ocelot_pincfg_clrsetbits(info, pin,
  1652. opd->schmitt_bit,
  1653. val);
  1654. break;
  1655. case PINCONF_DRIVE_STRENGTH:
  1656. if (val <= 3)
  1657. ret = ocelot_pincfg_clrsetbits(info, pin,
  1658. opd->drive_bits,
  1659. val);
  1660. else
  1661. ret = -EINVAL;
  1662. break;
  1663. default:
  1664. ret = -EOPNOTSUPP;
  1665. break;
  1666. }
  1667. }
  1668. return ret;
  1669. }
  1670. static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
  1671. unsigned int pin, unsigned long *config)
  1672. {
  1673. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1674. u32 param = pinconf_to_config_param(*config);
  1675. int val, err;
  1676. switch (param) {
  1677. case PIN_CONFIG_BIAS_DISABLE:
  1678. case PIN_CONFIG_BIAS_PULL_UP:
  1679. case PIN_CONFIG_BIAS_PULL_DOWN:
  1680. err = ocelot_hw_get_value(info, pin, PINCONF_BIAS, &val);
  1681. if (err)
  1682. return err;
  1683. if (param == PIN_CONFIG_BIAS_DISABLE)
  1684. val = (val == 0);
  1685. else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
  1686. val = !!(val & info->pincfg_data->pd_bit);
  1687. else /* PIN_CONFIG_BIAS_PULL_UP */
  1688. val = !!(val & info->pincfg_data->pu_bit);
  1689. break;
  1690. case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
  1691. if (!info->pincfg_data->schmitt_bit)
  1692. return -EOPNOTSUPP;
  1693. err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
  1694. if (err)
  1695. return err;
  1696. val = !!(val & info->pincfg_data->schmitt_bit);
  1697. break;
  1698. case PIN_CONFIG_DRIVE_STRENGTH:
  1699. err = ocelot_hw_get_value(info, pin, PINCONF_DRIVE_STRENGTH,
  1700. &val);
  1701. if (err)
  1702. return err;
  1703. break;
  1704. case PIN_CONFIG_LEVEL:
  1705. err = regmap_read(info->map, REG(OCELOT_GPIO_OUT, info, pin),
  1706. &val);
  1707. if (err)
  1708. return err;
  1709. val = !!(val & BIT(pin % 32));
  1710. break;
  1711. case PIN_CONFIG_INPUT_ENABLE:
  1712. case PIN_CONFIG_OUTPUT_ENABLE:
  1713. err = regmap_read(info->map, REG(OCELOT_GPIO_OE, info, pin),
  1714. &val);
  1715. if (err)
  1716. return err;
  1717. val = val & BIT(pin % 32);
  1718. if (param == PIN_CONFIG_OUTPUT_ENABLE)
  1719. val = !!val;
  1720. else
  1721. val = !val;
  1722. break;
  1723. default:
  1724. return -EOPNOTSUPP;
  1725. }
  1726. *config = pinconf_to_config_packed(param, val);
  1727. return 0;
  1728. }
  1729. static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
  1730. unsigned long *configs, unsigned int num_configs)
  1731. {
  1732. struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
  1733. const struct ocelot_pincfg_data *opd = info->pincfg_data;
  1734. u32 param, arg, p;
  1735. int cfg, err = 0;
  1736. for (cfg = 0; cfg < num_configs; cfg++) {
  1737. param = pinconf_to_config_param(configs[cfg]);
  1738. arg = pinconf_to_config_argument(configs[cfg]);
  1739. switch (param) {
  1740. case PIN_CONFIG_BIAS_DISABLE:
  1741. case PIN_CONFIG_BIAS_PULL_UP:
  1742. case PIN_CONFIG_BIAS_PULL_DOWN:
  1743. arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
  1744. (param == PIN_CONFIG_BIAS_PULL_UP) ?
  1745. opd->pu_bit : opd->pd_bit;
  1746. err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
  1747. if (err)
  1748. goto err;
  1749. break;
  1750. case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
  1751. if (!opd->schmitt_bit)
  1752. return -EOPNOTSUPP;
  1753. arg = arg ? opd->schmitt_bit : 0;
  1754. err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
  1755. arg);
  1756. if (err)
  1757. goto err;
  1758. break;
  1759. case PIN_CONFIG_DRIVE_STRENGTH:
  1760. err = ocelot_hw_set_value(info, pin,
  1761. PINCONF_DRIVE_STRENGTH,
  1762. arg);
  1763. if (err)
  1764. goto err;
  1765. break;
  1766. case PIN_CONFIG_OUTPUT_ENABLE:
  1767. case PIN_CONFIG_INPUT_ENABLE:
  1768. case PIN_CONFIG_LEVEL:
  1769. p = pin % 32;
  1770. if (arg)
  1771. regmap_write(info->map,
  1772. REG(OCELOT_GPIO_OUT_SET, info,
  1773. pin),
  1774. BIT(p));
  1775. else
  1776. regmap_write(info->map,
  1777. REG(OCELOT_GPIO_OUT_CLR, info,
  1778. pin),
  1779. BIT(p));
  1780. regmap_update_bits(info->map,
  1781. REG(OCELOT_GPIO_OE, info, pin),
  1782. BIT(p),
  1783. param == PIN_CONFIG_INPUT_ENABLE ?
  1784. 0 : BIT(p));
  1785. break;
  1786. default:
  1787. err = -EOPNOTSUPP;
  1788. }
  1789. }
  1790. err:
  1791. return err;
  1792. }
  1793. static const struct pinconf_ops ocelot_confops = {
  1794. .is_generic = true,
  1795. .pin_config_get = ocelot_pinconf_get,
  1796. .pin_config_set = ocelot_pinconf_set,
  1797. .pin_config_config_dbg_show = pinconf_generic_dump_config,
  1798. };
  1799. static const struct pinctrl_ops ocelot_pctl_ops = {
  1800. .get_groups_count = ocelot_pctl_get_groups_count,
  1801. .get_group_name = ocelot_pctl_get_group_name,
  1802. .get_group_pins = ocelot_pctl_get_group_pins,
  1803. .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
  1804. .dt_free_map = pinconf_generic_dt_free_map,
  1805. };
  1806. static const struct ocelot_match_data luton_desc = {
  1807. .desc = {
  1808. .name = "luton-pinctrl",
  1809. .pins = luton_pins,
  1810. .npins = ARRAY_SIZE(luton_pins),
  1811. .pctlops = &ocelot_pctl_ops,
  1812. .pmxops = &ocelot_pmx_ops,
  1813. .owner = THIS_MODULE,
  1814. },
  1815. };
  1816. static const struct ocelot_match_data serval_desc = {
  1817. .desc = {
  1818. .name = "serval-pinctrl",
  1819. .pins = serval_pins,
  1820. .npins = ARRAY_SIZE(serval_pins),
  1821. .pctlops = &ocelot_pctl_ops,
  1822. .pmxops = &ocelot_pmx_ops,
  1823. .owner = THIS_MODULE,
  1824. },
  1825. };
  1826. static const struct ocelot_match_data ocelot_desc = {
  1827. .desc = {
  1828. .name = "ocelot-pinctrl",
  1829. .pins = ocelot_pins,
  1830. .npins = ARRAY_SIZE(ocelot_pins),
  1831. .pctlops = &ocelot_pctl_ops,
  1832. .pmxops = &ocelot_pmx_ops,
  1833. .owner = THIS_MODULE,
  1834. },
  1835. };
  1836. static const struct ocelot_match_data jaguar2_desc = {
  1837. .desc = {
  1838. .name = "jaguar2-pinctrl",
  1839. .pins = jaguar2_pins,
  1840. .npins = ARRAY_SIZE(jaguar2_pins),
  1841. .pctlops = &ocelot_pctl_ops,
  1842. .pmxops = &ocelot_pmx_ops,
  1843. .owner = THIS_MODULE,
  1844. },
  1845. };
  1846. static const struct ocelot_match_data servalt_desc = {
  1847. .desc = {
  1848. .name = "servalt-pinctrl",
  1849. .pins = servalt_pins,
  1850. .npins = ARRAY_SIZE(servalt_pins),
  1851. .pctlops = &ocelot_pctl_ops,
  1852. .pmxops = &ocelot_pmx_ops,
  1853. .owner = THIS_MODULE,
  1854. },
  1855. };
  1856. static const struct ocelot_match_data sparx5_desc = {
  1857. .desc = {
  1858. .name = "sparx5-pinctrl",
  1859. .pins = sparx5_pins,
  1860. .npins = ARRAY_SIZE(sparx5_pins),
  1861. .pctlops = &ocelot_pctl_ops,
  1862. .pmxops = &ocelot_pmx_ops,
  1863. .confops = &ocelot_confops,
  1864. .owner = THIS_MODULE,
  1865. },
  1866. .pincfg_data = {
  1867. .pd_bit = BIT(4),
  1868. .pu_bit = BIT(3),
  1869. .drive_bits = GENMASK(1, 0),
  1870. .schmitt_bit = BIT(2),
  1871. },
  1872. };
  1873. static const struct ocelot_match_data lan966x_desc = {
  1874. .desc = {
  1875. .name = "lan966x-pinctrl",
  1876. .pins = lan966x_pins,
  1877. .npins = ARRAY_SIZE(lan966x_pins),
  1878. .pctlops = &ocelot_pctl_ops,
  1879. .pmxops = &lan966x_pmx_ops,
  1880. .confops = &ocelot_confops,
  1881. .owner = THIS_MODULE,
  1882. },
  1883. .pincfg_data = {
  1884. .pd_bit = BIT(3),
  1885. .pu_bit = BIT(2),
  1886. .drive_bits = GENMASK(1, 0),
  1887. },
  1888. };
  1889. static const struct ocelot_match_data lan969x_desc = {
  1890. .desc = {
  1891. .name = "lan969x-pinctrl",
  1892. .pins = lan969x_pins,
  1893. .npins = ARRAY_SIZE(lan969x_pins),
  1894. .pctlops = &ocelot_pctl_ops,
  1895. .pmxops = &lan966x_pmx_ops,
  1896. .confops = &ocelot_confops,
  1897. .owner = THIS_MODULE,
  1898. },
  1899. .pincfg_data = {
  1900. .pd_bit = BIT(3),
  1901. .pu_bit = BIT(2),
  1902. .drive_bits = GENMASK(1, 0),
  1903. },
  1904. };
  1905. static struct ocelot_match_data lan9645xf_desc = {
  1906. .desc = {
  1907. .name = "lan9645xf-pinctrl",
  1908. .pins = lan9645x_pins,
  1909. .npins = ARRAY_SIZE(lan9645x_pins),
  1910. .pctlops = &ocelot_pctl_ops,
  1911. .pmxops = &lan9645x_pmx_ops,
  1912. .confops = &ocelot_confops,
  1913. .owner = THIS_MODULE,
  1914. },
  1915. .pincfg_data = {
  1916. .pd_bit = BIT(3),
  1917. .pu_bit = BIT(2),
  1918. .drive_bits = GENMASK(1, 0),
  1919. },
  1920. .n_alt_modes = 7,
  1921. };
  1922. static int ocelot_create_group_func_map(struct device *dev,
  1923. struct ocelot_pinctrl *info)
  1924. {
  1925. int f, npins, i;
  1926. u8 *pins = kcalloc(info->desc->npins, sizeof(u8), GFP_KERNEL);
  1927. if (!pins)
  1928. return -ENOMEM;
  1929. for (f = 0; f < FUNC_MAX; f++) {
  1930. for (npins = 0, i = 0; i < info->desc->npins; i++) {
  1931. if (ocelot_pin_function_idx(info, i, f) >= 0)
  1932. pins[npins++] = i;
  1933. }
  1934. if (!npins)
  1935. continue;
  1936. info->func[f].ngroups = npins;
  1937. info->func[f].groups = devm_kcalloc(dev, npins, sizeof(char *),
  1938. GFP_KERNEL);
  1939. if (!info->func[f].groups) {
  1940. kfree(pins);
  1941. return -ENOMEM;
  1942. }
  1943. for (i = 0; i < npins; i++)
  1944. info->func[f].groups[i] =
  1945. info->desc->pins[pins[i]].name;
  1946. }
  1947. kfree(pins);
  1948. return 0;
  1949. }
  1950. static int ocelot_pinctrl_register(struct platform_device *pdev,
  1951. struct ocelot_pinctrl *info)
  1952. {
  1953. int ret;
  1954. ret = ocelot_create_group_func_map(&pdev->dev, info);
  1955. if (ret) {
  1956. dev_err(&pdev->dev, "Unable to create group func map.\n");
  1957. return ret;
  1958. }
  1959. info->pctl = devm_pinctrl_register(&pdev->dev, info->desc, info);
  1960. if (IS_ERR(info->pctl)) {
  1961. dev_err(&pdev->dev, "Failed to register pinctrl\n");
  1962. return PTR_ERR(info->pctl);
  1963. }
  1964. return 0;
  1965. }
  1966. static int ocelot_gpio_get(struct gpio_chip *chip, unsigned int offset)
  1967. {
  1968. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1969. unsigned int val;
  1970. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, offset), &val);
  1971. return !!(val & BIT(offset % 32));
  1972. }
  1973. static int ocelot_gpio_set(struct gpio_chip *chip, unsigned int offset,
  1974. int value)
  1975. {
  1976. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1977. if (value)
  1978. return regmap_write(info->map,
  1979. REG(OCELOT_GPIO_OUT_SET, info, offset),
  1980. BIT(offset % 32));
  1981. return regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
  1982. BIT(offset % 32));
  1983. }
  1984. static int ocelot_gpio_get_direction(struct gpio_chip *chip,
  1985. unsigned int offset)
  1986. {
  1987. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1988. unsigned int val;
  1989. regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
  1990. if (val & BIT(offset % 32))
  1991. return GPIO_LINE_DIRECTION_OUT;
  1992. return GPIO_LINE_DIRECTION_IN;
  1993. }
  1994. static int ocelot_gpio_direction_output(struct gpio_chip *chip,
  1995. unsigned int offset, int value)
  1996. {
  1997. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  1998. unsigned int pin = BIT(offset % 32);
  1999. if (value)
  2000. regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
  2001. pin);
  2002. else
  2003. regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
  2004. pin);
  2005. return pinctrl_gpio_direction_output(chip, offset);
  2006. }
  2007. static const struct gpio_chip ocelot_gpiolib_chip = {
  2008. .request = gpiochip_generic_request,
  2009. .free = gpiochip_generic_free,
  2010. .set = ocelot_gpio_set,
  2011. .get = ocelot_gpio_get,
  2012. .get_direction = ocelot_gpio_get_direction,
  2013. .direction_input = pinctrl_gpio_direction_input,
  2014. .direction_output = ocelot_gpio_direction_output,
  2015. .owner = THIS_MODULE,
  2016. };
  2017. static void ocelot_irq_mask(struct irq_data *data)
  2018. {
  2019. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  2020. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  2021. unsigned int gpio = irqd_to_hwirq(data);
  2022. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  2023. BIT(gpio % 32), 0);
  2024. gpiochip_disable_irq(chip, gpio);
  2025. }
  2026. static void ocelot_irq_work(struct work_struct *work)
  2027. {
  2028. struct ocelot_irq_work *w = container_of(work, struct ocelot_irq_work, irq_work);
  2029. struct irq_chip *parent_chip = irq_desc_get_chip(w->irq_desc);
  2030. struct gpio_chip *chip = irq_desc_get_chip_data(w->irq_desc);
  2031. struct irq_data *data = irq_desc_get_irq_data(w->irq_desc);
  2032. unsigned int gpio = irqd_to_hwirq(data);
  2033. local_irq_disable();
  2034. chained_irq_enter(parent_chip, w->irq_desc);
  2035. generic_handle_domain_irq(chip->irq.domain, gpio);
  2036. chained_irq_exit(parent_chip, w->irq_desc);
  2037. local_irq_enable();
  2038. kfree(w);
  2039. }
  2040. static void ocelot_irq_unmask_level(struct irq_data *data)
  2041. {
  2042. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  2043. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  2044. struct irq_desc *desc = irq_data_to_desc(data);
  2045. unsigned int gpio = irqd_to_hwirq(data);
  2046. unsigned int bit = BIT(gpio % 32);
  2047. bool ack = false, active = false;
  2048. u8 trigger_level;
  2049. int val;
  2050. trigger_level = irqd_get_trigger_type(data);
  2051. /* Check if the interrupt line is still active. */
  2052. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
  2053. if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
  2054. (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
  2055. active = true;
  2056. /*
  2057. * Check if the interrupt controller has seen any changes in the
  2058. * interrupt line.
  2059. */
  2060. regmap_read(info->map, REG(OCELOT_GPIO_INTR, info, gpio), &val);
  2061. if (val & bit)
  2062. ack = true;
  2063. /* Try to clear any rising edges */
  2064. if (!active && ack)
  2065. regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
  2066. bit, bit);
  2067. /* Enable the interrupt now */
  2068. gpiochip_enable_irq(chip, gpio);
  2069. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  2070. bit, bit);
  2071. /*
  2072. * In case the interrupt line is still active then it means that
  2073. * there happen another interrupt while the line was active.
  2074. * So we missed that one, so we need to kick the interrupt again
  2075. * handler.
  2076. */
  2077. regmap_read(info->map, REG(OCELOT_GPIO_IN, info, gpio), &val);
  2078. if ((!(val & bit) && trigger_level == IRQ_TYPE_LEVEL_LOW) ||
  2079. (val & bit && trigger_level == IRQ_TYPE_LEVEL_HIGH))
  2080. active = true;
  2081. if (active) {
  2082. struct ocelot_irq_work *work;
  2083. work = kmalloc_obj(*work, GFP_ATOMIC);
  2084. if (!work)
  2085. return;
  2086. work->irq_desc = desc;
  2087. INIT_WORK(&work->irq_work, ocelot_irq_work);
  2088. queue_work(info->wq, &work->irq_work);
  2089. }
  2090. }
  2091. static void ocelot_irq_unmask(struct irq_data *data)
  2092. {
  2093. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  2094. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  2095. unsigned int gpio = irqd_to_hwirq(data);
  2096. gpiochip_enable_irq(chip, gpio);
  2097. regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
  2098. BIT(gpio % 32), BIT(gpio % 32));
  2099. }
  2100. static void ocelot_irq_ack(struct irq_data *data)
  2101. {
  2102. struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
  2103. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  2104. unsigned int gpio = irqd_to_hwirq(data);
  2105. regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
  2106. BIT(gpio % 32), BIT(gpio % 32));
  2107. }
  2108. static int ocelot_irq_set_type(struct irq_data *data, unsigned int type);
  2109. static const struct irq_chip ocelot_level_irqchip = {
  2110. .name = "gpio",
  2111. .irq_mask = ocelot_irq_mask,
  2112. .irq_ack = ocelot_irq_ack,
  2113. .irq_unmask = ocelot_irq_unmask_level,
  2114. .flags = IRQCHIP_IMMUTABLE,
  2115. .irq_set_type = ocelot_irq_set_type,
  2116. GPIOCHIP_IRQ_RESOURCE_HELPERS
  2117. };
  2118. static const struct irq_chip ocelot_irqchip = {
  2119. .name = "gpio",
  2120. .irq_mask = ocelot_irq_mask,
  2121. .irq_ack = ocelot_irq_ack,
  2122. .irq_unmask = ocelot_irq_unmask,
  2123. .irq_set_type = ocelot_irq_set_type,
  2124. .flags = IRQCHIP_IMMUTABLE,
  2125. GPIOCHIP_IRQ_RESOURCE_HELPERS
  2126. };
  2127. static int ocelot_irq_set_type(struct irq_data *data, unsigned int type)
  2128. {
  2129. if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
  2130. irq_set_chip_handler_name_locked(data, &ocelot_level_irqchip,
  2131. handle_level_irq, NULL);
  2132. if (type & IRQ_TYPE_EDGE_BOTH)
  2133. irq_set_chip_handler_name_locked(data, &ocelot_irqchip,
  2134. handle_edge_irq, NULL);
  2135. return 0;
  2136. }
  2137. static void ocelot_irq_handler(struct irq_desc *desc)
  2138. {
  2139. struct irq_chip *parent_chip = irq_desc_get_chip(desc);
  2140. struct gpio_chip *chip = irq_desc_get_handler_data(desc);
  2141. struct ocelot_pinctrl *info = gpiochip_get_data(chip);
  2142. unsigned int id_reg = OCELOT_GPIO_INTR_IDENT * info->stride;
  2143. unsigned int reg = 0, irq, i;
  2144. unsigned long irqs;
  2145. chained_irq_enter(parent_chip, desc);
  2146. for (i = 0; i < info->stride; i++) {
  2147. regmap_read(info->map, id_reg + 4 * i, &reg);
  2148. if (!reg)
  2149. continue;
  2150. irqs = reg;
  2151. for_each_set_bit(irq, &irqs,
  2152. min(32U, info->desc->npins - 32 * i))
  2153. generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
  2154. }
  2155. chained_irq_exit(parent_chip, desc);
  2156. }
  2157. static int ocelot_gpiochip_register(struct platform_device *pdev,
  2158. struct ocelot_pinctrl *info)
  2159. {
  2160. struct gpio_chip *gc;
  2161. struct gpio_irq_chip *girq;
  2162. int irq;
  2163. info->gpio_chip = ocelot_gpiolib_chip;
  2164. gc = &info->gpio_chip;
  2165. gc->ngpio = info->desc->npins;
  2166. gc->parent = &pdev->dev;
  2167. gc->base = -1;
  2168. gc->label = "ocelot-gpio";
  2169. irq = platform_get_irq_optional(pdev, 0);
  2170. if (irq > 0) {
  2171. girq = &gc->irq;
  2172. gpio_irq_chip_set_chip(girq, &ocelot_irqchip);
  2173. girq->parent_handler = ocelot_irq_handler;
  2174. girq->num_parents = 1;
  2175. girq->parents = devm_kcalloc(&pdev->dev, 1,
  2176. sizeof(*girq->parents),
  2177. GFP_KERNEL);
  2178. if (!girq->parents)
  2179. return -ENOMEM;
  2180. girq->parents[0] = irq;
  2181. girq->default_type = IRQ_TYPE_NONE;
  2182. girq->handler = handle_edge_irq;
  2183. }
  2184. return devm_gpiochip_add_data(&pdev->dev, gc, info);
  2185. }
  2186. static const struct of_device_id ocelot_pinctrl_of_match[] = {
  2187. { .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
  2188. { .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
  2189. { .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
  2190. { .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
  2191. { .compatible = "mscc,servalt-pinctrl", .data = &servalt_desc },
  2192. { .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
  2193. { .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
  2194. { .compatible = "microchip,lan9691-pinctrl", .data = &lan969x_desc },
  2195. { .compatible = "microchip,lan96455f-pinctrl", .data = &lan9645xf_desc },
  2196. {},
  2197. };
  2198. MODULE_DEVICE_TABLE(of, ocelot_pinctrl_of_match);
  2199. static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev,
  2200. const struct ocelot_pinctrl *info)
  2201. {
  2202. void __iomem *base;
  2203. const struct regmap_config regmap_config = {
  2204. .reg_bits = 32,
  2205. .val_bits = 32,
  2206. .reg_stride = 4,
  2207. .max_register = info->desc->npins * 4,
  2208. .name = "pincfg",
  2209. };
  2210. base = devm_platform_ioremap_resource(pdev, 1);
  2211. if (IS_ERR(base)) {
  2212. dev_dbg(&pdev->dev, "Failed to ioremap config registers (no extended pinconf)\n");
  2213. return NULL;
  2214. }
  2215. return devm_regmap_init_mmio(&pdev->dev, base, &regmap_config);
  2216. }
  2217. static void ocelot_destroy_workqueue(void *data)
  2218. {
  2219. destroy_workqueue(data);
  2220. }
  2221. static int ocelot_pinctrl_probe(struct platform_device *pdev)
  2222. {
  2223. const struct ocelot_match_data *data;
  2224. struct device *dev = &pdev->dev;
  2225. struct ocelot_pinctrl *info;
  2226. struct reset_control *reset;
  2227. struct regmap *pincfg;
  2228. int ret;
  2229. struct regmap_config regmap_config = {
  2230. .reg_bits = 32,
  2231. .val_bits = 32,
  2232. .reg_stride = 4,
  2233. };
  2234. info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
  2235. if (!info)
  2236. return -ENOMEM;
  2237. data = device_get_match_data(dev);
  2238. if (!data)
  2239. return -EINVAL;
  2240. info->desc = devm_kmemdup(dev, &data->desc, sizeof(*info->desc),
  2241. GFP_KERNEL);
  2242. if (!info->desc)
  2243. return -ENOMEM;
  2244. info->wq = alloc_ordered_workqueue("ocelot_ordered", 0);
  2245. if (!info->wq)
  2246. return -ENOMEM;
  2247. ret = devm_add_action_or_reset(dev, ocelot_destroy_workqueue,
  2248. info->wq);
  2249. if (ret)
  2250. return ret;
  2251. info->pincfg_data = &data->pincfg_data;
  2252. reset = devm_reset_control_get_optional_shared(dev, "switch");
  2253. if (IS_ERR(reset))
  2254. return dev_err_probe(dev, PTR_ERR(reset),
  2255. "Failed to get reset\n");
  2256. reset_control_reset(reset);
  2257. info->stride = 1 + (info->desc->npins - 1) / 32;
  2258. info->altm_stride = info->stride;
  2259. if (data->n_alt_modes)
  2260. info->altm_stride = fls(data->n_alt_modes);
  2261. regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4;
  2262. info->map = ocelot_regmap_from_resource(pdev, 0, &regmap_config);
  2263. if (IS_ERR(info->map))
  2264. return dev_err_probe(dev, PTR_ERR(info->map),
  2265. "Failed to create regmap\n");
  2266. dev_set_drvdata(dev, info);
  2267. info->dev = dev;
  2268. /* Pinconf registers */
  2269. if (info->desc->confops) {
  2270. pincfg = ocelot_pinctrl_create_pincfg(pdev, info);
  2271. if (IS_ERR(pincfg))
  2272. dev_dbg(dev, "Failed to create pincfg regmap\n");
  2273. else
  2274. info->pincfg = pincfg;
  2275. }
  2276. ret = ocelot_pinctrl_register(pdev, info);
  2277. if (ret)
  2278. return ret;
  2279. ret = ocelot_gpiochip_register(pdev, info);
  2280. if (ret)
  2281. return ret;
  2282. dev_info(dev, "driver registered\n");
  2283. return 0;
  2284. }
  2285. static struct platform_driver ocelot_pinctrl_driver = {
  2286. .driver = {
  2287. .name = "pinctrl-ocelot",
  2288. .of_match_table = of_match_ptr(ocelot_pinctrl_of_match),
  2289. .suppress_bind_attrs = true,
  2290. },
  2291. .probe = ocelot_pinctrl_probe,
  2292. };
  2293. module_platform_driver(ocelot_pinctrl_driver);
  2294. MODULE_DESCRIPTION("Ocelot Chip Pinctrl Driver");
  2295. MODULE_LICENSE("Dual MIT/GPL");