drivers/pinctrl/pinctrl-ocelot.c

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