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/of_device.h>
  14 #include <linux/of_irq.h>
  15 #include <linux/of_platform.h>
  16 #include <linux/pinctrl/pinctrl.h>
  17 #include <linux/pinctrl/pinmux.h>
  18 #include <linux/pinctrl/pinconf.h>
  19 #include <linux/pinctrl/pinconf-generic.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/regmap.h>
  22 #include <linux/slab.h>
  23
  24 #include "core.h"
  25 #include "pinconf.h"
  26 #include "pinmux.h"
  27
  28 #define ocelot_clrsetbits(addr, clear, set) \
  29         writel((readl(addr) & ~(clear)) | (set), (addr))
  30
  31 /* PINCONFIG bits (sparx5 only) */
  32 enum {
  33         PINCONF_BIAS,
  34         PINCONF_SCHMITT,
  35         PINCONF_DRIVE_STRENGTH,
  36 };
  37
  38 #define BIAS_PD_BIT BIT(4)
  39 #define BIAS_PU_BIT BIT(3)
  40 #define BIAS_BITS   (BIAS_PD_BIT|BIAS_PU_BIT)
  41 #define SCHMITT_BIT BIT(2)
  42 #define DRIVE_BITS  GENMASK(1, 0)
  43
  44 /* GPIO standard registers */
  45 #define OCELOT_GPIO_OUT_SET     0x0
  46 #define OCELOT_GPIO_OUT_CLR     0x4
  47 #define OCELOT_GPIO_OUT         0x8
  48 #define OCELOT_GPIO_IN          0xc
  49 #define OCELOT_GPIO_OE          0x10
  50 #define OCELOT_GPIO_INTR        0x14
  51 #define OCELOT_GPIO_INTR_ENA    0x18
  52 #define OCELOT_GPIO_INTR_IDENT  0x1c
  53 #define OCELOT_GPIO_ALT0        0x20
  54 #define OCELOT_GPIO_ALT1        0x24
  55 #define OCELOT_GPIO_SD_MAP      0x28
  56
  57 #define OCELOT_FUNC_PER_PIN     4
  58
  59 enum {
  60         FUNC_CAN0_a,
  61         FUNC_CAN0_b,
  62         FUNC_CAN1,
  63         FUNC_NONE,
  64         FUNC_FC0_a,
  65         FUNC_FC0_b,
  66         FUNC_FC0_c,
  67         FUNC_FC1_a,
  68         FUNC_FC1_b,
  69         FUNC_FC1_c,
  70         FUNC_FC2_a,
  71         FUNC_FC2_b,
  72         FUNC_FC3_a,
  73         FUNC_FC3_b,
  74         FUNC_FC3_c,
  75         FUNC_FC4_a,
  76         FUNC_FC4_b,
  77         FUNC_FC4_c,
  78         FUNC_FC_SHRD0,
  79         FUNC_FC_SHRD1,
  80         FUNC_FC_SHRD2,
  81         FUNC_FC_SHRD3,
  82         FUNC_FC_SHRD4,
  83         FUNC_FC_SHRD5,
  84         FUNC_FC_SHRD6,
  85         FUNC_FC_SHRD7,
  86         FUNC_FC_SHRD8,
  87         FUNC_FC_SHRD9,
  88         FUNC_FC_SHRD10,
  89         FUNC_FC_SHRD11,
  90         FUNC_FC_SHRD12,
  91         FUNC_FC_SHRD13,
  92         FUNC_FC_SHRD14,
  93         FUNC_FC_SHRD15,
  94         FUNC_FC_SHRD16,
  95         FUNC_FC_SHRD17,
  96         FUNC_FC_SHRD18,
  97         FUNC_FC_SHRD19,
  98         FUNC_FC_SHRD20,
  99         FUNC_GPIO,
 100         FUNC_IB_TRG_a,
 101         FUNC_IB_TRG_b,
 102         FUNC_IB_TRG_c,
 103         FUNC_IRQ0,
 104         FUNC_IRQ_IN_a,
 105         FUNC_IRQ_IN_b,
 106         FUNC_IRQ_IN_c,
 107         FUNC_IRQ0_IN,
 108         FUNC_IRQ_OUT_a,
 109         FUNC_IRQ_OUT_b,
 110         FUNC_IRQ_OUT_c,
 111         FUNC_IRQ0_OUT,
 112         FUNC_IRQ1,
 113         FUNC_IRQ1_IN,
 114         FUNC_IRQ1_OUT,
 115         FUNC_EXT_IRQ,
 116         FUNC_MIIM,
 117         FUNC_MIIM_a,
 118         FUNC_MIIM_b,
 119         FUNC_MIIM_c,
 120         FUNC_MIIM_Sa,
 121         FUNC_MIIM_Sb,
 122         FUNC_OB_TRG,
 123         FUNC_OB_TRG_a,
 124         FUNC_OB_TRG_b,
 125         FUNC_PHY_LED,
 126         FUNC_PCI_WAKE,
 127         FUNC_MD,
 128         FUNC_PTP0,
 129         FUNC_PTP1,
 130         FUNC_PTP2,
 131         FUNC_PTP3,
 132         FUNC_PTPSYNC_1,
 133         FUNC_PTPSYNC_2,
 134         FUNC_PTPSYNC_3,
 135         FUNC_PTPSYNC_4,
 136         FUNC_PTPSYNC_5,
 137         FUNC_PTPSYNC_6,
 138         FUNC_PTPSYNC_7,
 139         FUNC_PWM,
 140         FUNC_QSPI1,
 141         FUNC_QSPI2,
 142         FUNC_R,
 143         FUNC_RECO_a,
 144         FUNC_RECO_b,
 145         FUNC_RECO_CLK,
 146         FUNC_SD,
 147         FUNC_SFP,
 148         FUNC_SFP_SD,
 149         FUNC_SG0,
 150         FUNC_SG1,
 151         FUNC_SG2,
 152         FUNC_SGPIO_a,
 153         FUNC_SGPIO_b,
 154         FUNC_SI,
 155         FUNC_SI2,
 156         FUNC_TACHO,
 157         FUNC_TACHO_a,
 158         FUNC_TACHO_b,
 159         FUNC_TWI,
 160         FUNC_TWI2,
 161         FUNC_TWI3,
 162         FUNC_TWI_SCL_M,
 163         FUNC_TWI_SLC_GATE,
 164         FUNC_TWI_SLC_GATE_AD,
 165         FUNC_UART,
 166         FUNC_UART2,
 167         FUNC_UART3,
 168         FUNC_USB_H_a,
 169         FUNC_USB_H_b,
 170         FUNC_USB_H_c,
 171         FUNC_USB_S_a,
 172         FUNC_USB_S_b,
 173         FUNC_USB_S_c,
 174         FUNC_PLL_STAT,
 175         FUNC_EMMC,
 176         FUNC_EMMC_SD,
 177         FUNC_REF_CLK,
 178         FUNC_RCVRD_CLK,
 179         FUNC_MAX
 180 };
 181
 182 static const char *const ocelot_function_names[] = {
 183         [FUNC_CAN0_a]           = "can0_a",
 184         [FUNC_CAN0_b]           = "can0_b",
 185         [FUNC_CAN1]             = "can1",
 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_1]        = "ptpsync_1",
 256         [FUNC_PTPSYNC_2]        = "ptpsync_2",
 257         [FUNC_PTPSYNC_3]        = "ptpsync_3",
 258         [FUNC_PTPSYNC_4]        = "ptpsync_4",
 259         [FUNC_PTPSYNC_5]        = "ptpsync_5",
 260         [FUNC_PTPSYNC_6]        = "ptpsync_6",
 261         [FUNC_PTPSYNC_7]        = "ptpsync_7",
 262         [FUNC_PWM]              = "pwm",
 263         [FUNC_QSPI1]            = "qspi1",
 264         [FUNC_QSPI2]            = "qspi2",
 265         [FUNC_R]                = "reserved",
 266         [FUNC_RECO_a]           = "reco_a",
 267         [FUNC_RECO_b]           = "reco_b",
 268         [FUNC_RECO_CLK]         = "reco_clk",
 269         [FUNC_SD]               = "sd",
 270         [FUNC_SFP]              = "sfp",
 271         [FUNC_SFP_SD]           = "sfp_sd",
 272         [FUNC_SG0]              = "sg0",
 273         [FUNC_SG1]              = "sg1",
 274         [FUNC_SG2]              = "sg2",
 275         [FUNC_SGPIO_a]          = "sgpio_a",
 276         [FUNC_SGPIO_b]          = "sgpio_b",
 277         [FUNC_SI]               = "si",
 278         [FUNC_SI2]              = "si2",
 279         [FUNC_TACHO]            = "tacho",
 280         [FUNC_TACHO_a]          = "tacho_a",
 281         [FUNC_TACHO_b]          = "tacho_b",
 282         [FUNC_TWI]              = "twi",
 283         [FUNC_TWI2]             = "twi2",
 284         [FUNC_TWI3]             = "twi3",
 285         [FUNC_TWI_SCL_M]        = "twi_scl_m",
 286         [FUNC_TWI_SLC_GATE]     = "twi_slc_gate",
 287         [FUNC_TWI_SLC_GATE_AD]  = "twi_slc_gate_ad",
 288         [FUNC_USB_H_a]          = "usb_host_a",
 289         [FUNC_USB_H_b]          = "usb_host_b",
 290         [FUNC_USB_H_c]          = "usb_host_c",
 291         [FUNC_USB_S_a]          = "usb_slave_a",
 292         [FUNC_USB_S_b]          = "usb_slave_b",
 293         [FUNC_USB_S_c]          = "usb_slave_c",
 294         [FUNC_UART]             = "uart",
 295         [FUNC_UART2]            = "uart2",
 296         [FUNC_UART3]            = "uart3",
 297         [FUNC_PLL_STAT]         = "pll_stat",
 298         [FUNC_EMMC]             = "emmc",
 299         [FUNC_EMMC_SD]          = "emmc_sd",
 300         [FUNC_REF_CLK]          = "ref_clk",
 301         [FUNC_RCVRD_CLK]        = "rcvrd_clk",
 302 };
 303
 304 struct ocelot_pmx_func {
 305         const char **groups;
 306         unsigned int ngroups;
 307 };
 308
 309 struct ocelot_pin_caps {
 310         unsigned int pin;
 311         unsigned char functions[OCELOT_FUNC_PER_PIN];
 312         unsigned char a_functions[OCELOT_FUNC_PER_PIN]; /* Additional functions */
 313 };
 314
 315 struct ocelot_pinctrl {
 316         struct device *dev;
 317         struct pinctrl_dev *pctl;
 318         struct gpio_chip gpio_chip;
 319         struct regmap *map;
 320         struct regmap *pincfg;
 321         struct pinctrl_desc *desc;
 322         struct ocelot_pmx_func func[FUNC_MAX];
 323         u8 stride;
 324 };
 325
 326 #define LUTON_P(p, f0, f1)                                              \
 327 static struct ocelot_pin_caps luton_pin_##p = {                         \
 328         .pin = p,                                                       \
 329         .functions = {                                                  \
 330                         FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE,     \
 331         },                                                              \
 332 }
 333
 334 LUTON_P(0,  SG0,       NONE);
 335 LUTON_P(1,  SG0,       NONE);
 336 LUTON_P(2,  SG0,       NONE);
 337 LUTON_P(3,  SG0,       NONE);
 338 LUTON_P(4,  TACHO,     NONE);
 339 LUTON_P(5,  TWI,       PHY_LED);
 340 LUTON_P(6,  TWI,       PHY_LED);
 341 LUTON_P(7,  NONE,      PHY_LED);
 342 LUTON_P(8,  EXT_IRQ,   PHY_LED);
 343 LUTON_P(9,  EXT_IRQ,   PHY_LED);
 344 LUTON_P(10, SFP,       PHY_LED);
 345 LUTON_P(11, SFP,       PHY_LED);
 346 LUTON_P(12, SFP,       PHY_LED);
 347 LUTON_P(13, SFP,       PHY_LED);
 348 LUTON_P(14, SI,        PHY_LED);
 349 LUTON_P(15, SI,        PHY_LED);
 350 LUTON_P(16, SI,        PHY_LED);
 351 LUTON_P(17, SFP,       PHY_LED);
 352 LUTON_P(18, SFP,       PHY_LED);
 353 LUTON_P(19, SFP,       PHY_LED);
 354 LUTON_P(20, SFP,       PHY_LED);
 355 LUTON_P(21, SFP,       PHY_LED);
 356 LUTON_P(22, SFP,       PHY_LED);
 357 LUTON_P(23, SFP,       PHY_LED);
 358 LUTON_P(24, SFP,       PHY_LED);
 359 LUTON_P(25, SFP,       PHY_LED);
 360 LUTON_P(26, SFP,       PHY_LED);
 361 LUTON_P(27, SFP,       PHY_LED);
 362 LUTON_P(28, SFP,       PHY_LED);
 363 LUTON_P(29, PWM,       NONE);
 364 LUTON_P(30, UART,      NONE);
 365 LUTON_P(31, UART,      NONE);
 366
 367 #define LUTON_PIN(n) {                                          \
 368         .number = n,                                            \
 369         .name = "GPIO_"#n,                                      \
 370         .drv_data = &luton_pin_##n                              \
 371 }
 372
 373 static const struct pinctrl_pin_desc luton_pins[] = {
 374         LUTON_PIN(0),
 375         LUTON_PIN(1),
 376         LUTON_PIN(2),
 377         LUTON_PIN(3),
 378         LUTON_PIN(4),
 379         LUTON_PIN(5),
 380         LUTON_PIN(6),
 381         LUTON_PIN(7),
 382         LUTON_PIN(8),
 383         LUTON_PIN(9),
 384         LUTON_PIN(10),
 385         LUTON_PIN(11),
 386         LUTON_PIN(12),
 387         LUTON_PIN(13),
 388         LUTON_PIN(14),
 389         LUTON_PIN(15),
 390         LUTON_PIN(16),
 391         LUTON_PIN(17),
 392         LUTON_PIN(18),
 393         LUTON_PIN(19),
 394         LUTON_PIN(20),
 395         LUTON_PIN(21),
 396         LUTON_PIN(22),
 397         LUTON_PIN(23),
 398         LUTON_PIN(24),
 399         LUTON_PIN(25),
 400         LUTON_PIN(26),
 401         LUTON_PIN(27),
 402         LUTON_PIN(28),
 403         LUTON_PIN(29),
 404         LUTON_PIN(30),
 405         LUTON_PIN(31),
 406 };
 407
 408 #define SERVAL_P(p, f0, f1, f2)                                         \
 409 static struct ocelot_pin_caps serval_pin_##p = {                        \
 410         .pin = p,                                                       \
 411         .functions = {                                                  \
 412                         FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2,     \
 413         },                                                              \
 414 }
 415
 416 SERVAL_P(0,  SG0,       NONE,      NONE);
 417 SERVAL_P(1,  SG0,       NONE,      NONE);
 418 SERVAL_P(2,  SG0,       NONE,      NONE);
 419 SERVAL_P(3,  SG0,       NONE,      NONE);
 420 SERVAL_P(4,  TACHO,     NONE,      NONE);
 421 SERVAL_P(5,  PWM,       NONE,      NONE);
 422 SERVAL_P(6,  TWI,       NONE,      NONE);
 423 SERVAL_P(7,  TWI,       NONE,      NONE);
 424 SERVAL_P(8,  SI,        NONE,      NONE);
 425 SERVAL_P(9,  SI,        MD,        NONE);
 426 SERVAL_P(10, SI,        MD,        NONE);
 427 SERVAL_P(11, SFP,       MD,        TWI_SCL_M);
 428 SERVAL_P(12, SFP,       MD,        TWI_SCL_M);
 429 SERVAL_P(13, SFP,       UART2,     TWI_SCL_M);
 430 SERVAL_P(14, SFP,       UART2,     TWI_SCL_M);
 431 SERVAL_P(15, SFP,       PTP0,      TWI_SCL_M);
 432 SERVAL_P(16, SFP,       PTP0,      TWI_SCL_M);
 433 SERVAL_P(17, SFP,       PCI_WAKE,  TWI_SCL_M);
 434 SERVAL_P(18, SFP,       NONE,      TWI_SCL_M);
 435 SERVAL_P(19, SFP,       NONE,      TWI_SCL_M);
 436 SERVAL_P(20, SFP,       NONE,      TWI_SCL_M);
 437 SERVAL_P(21, SFP,       NONE,      TWI_SCL_M);
 438 SERVAL_P(22, NONE,      NONE,      NONE);
 439 SERVAL_P(23, NONE,      NONE,      NONE);
 440 SERVAL_P(24, NONE,      NONE,      NONE);
 441 SERVAL_P(25, NONE,      NONE,      NONE);
 442 SERVAL_P(26, UART,      NONE,      NONE);
 443 SERVAL_P(27, UART,      NONE,      NONE);
 444 SERVAL_P(28, IRQ0,      NONE,      NONE);
 445 SERVAL_P(29, IRQ1,      NONE,      NONE);
 446 SERVAL_P(30, PTP0,      NONE,      NONE);
 447 SERVAL_P(31, PTP0,      NONE,      NONE);
 448
 449 #define SERVAL_PIN(n) {                                         \
 450         .number = n,                                            \
 451         .name = "GPIO_"#n,                                      \
 452         .drv_data = &serval_pin_##n                             \
 453 }
 454
 455 static const struct pinctrl_pin_desc serval_pins[] = {
 456         SERVAL_PIN(0),
 457         SERVAL_PIN(1),
 458         SERVAL_PIN(2),
 459         SERVAL_PIN(3),
 460         SERVAL_PIN(4),
 461         SERVAL_PIN(5),
 462         SERVAL_PIN(6),
 463         SERVAL_PIN(7),
 464         SERVAL_PIN(8),
 465         SERVAL_PIN(9),
 466         SERVAL_PIN(10),
 467         SERVAL_PIN(11),
 468         SERVAL_PIN(12),
 469         SERVAL_PIN(13),
 470         SERVAL_PIN(14),
 471         SERVAL_PIN(15),
 472         SERVAL_PIN(16),
 473         SERVAL_PIN(17),
 474         SERVAL_PIN(18),
 475         SERVAL_PIN(19),
 476         SERVAL_PIN(20),
 477         SERVAL_PIN(21),
 478         SERVAL_PIN(22),
 479         SERVAL_PIN(23),
 480         SERVAL_PIN(24),
 481         SERVAL_PIN(25),
 482         SERVAL_PIN(26),
 483         SERVAL_PIN(27),
 484         SERVAL_PIN(28),
 485         SERVAL_PIN(29),
 486         SERVAL_PIN(30),
 487         SERVAL_PIN(31),
 488 };
 489
 490 #define OCELOT_P(p, f0, f1, f2)                                         \
 491 static struct ocelot_pin_caps ocelot_pin_##p = {                        \
 492         .pin = p,                                                       \
 493         .functions = {                                                  \
 494                         FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2,     \
 495         },                                                              \
 496 }
 497
 498 OCELOT_P(0,  SG0,       NONE,      NONE);
 499 OCELOT_P(1,  SG0,       NONE,      NONE);
 500 OCELOT_P(2,  SG0,       NONE,      NONE);
 501 OCELOT_P(3,  SG0,       NONE,      NONE);
 502 OCELOT_P(4,  IRQ0_IN,   IRQ0_OUT,  TWI_SCL_M);
 503 OCELOT_P(5,  IRQ1_IN,   IRQ1_OUT,  PCI_WAKE);
 504 OCELOT_P(6,  UART,      TWI_SCL_M, NONE);
 505 OCELOT_P(7,  UART,      TWI_SCL_M, NONE);
 506 OCELOT_P(8,  SI,        TWI_SCL_M, IRQ0_OUT);
 507 OCELOT_P(9,  SI,        TWI_SCL_M, IRQ1_OUT);
 508 OCELOT_P(10, PTP2,      TWI_SCL_M, SFP);
 509 OCELOT_P(11, PTP3,      TWI_SCL_M, SFP);
 510 OCELOT_P(12, UART2,     TWI_SCL_M, SFP);
 511 OCELOT_P(13, UART2,     TWI_SCL_M, SFP);
 512 OCELOT_P(14, MIIM,      TWI_SCL_M, SFP);
 513 OCELOT_P(15, MIIM,      TWI_SCL_M, SFP);
 514 OCELOT_P(16, TWI,       NONE,      SI);
 515 OCELOT_P(17, TWI,       TWI_SCL_M, SI);
 516 OCELOT_P(18, PTP0,      TWI_SCL_M, NONE);
 517 OCELOT_P(19, PTP1,      TWI_SCL_M, NONE);
 518 OCELOT_P(20, RECO_CLK,  TACHO,     TWI_SCL_M);
 519 OCELOT_P(21, RECO_CLK,  PWM,       TWI_SCL_M);
 520
 521 #define OCELOT_PIN(n) {                                         \
 522         .number = n,                                            \
 523         .name = "GPIO_"#n,                                      \
 524         .drv_data = &ocelot_pin_##n                             \
 525 }
 526
 527 static const struct pinctrl_pin_desc ocelot_pins[] = {
 528         OCELOT_PIN(0),
 529         OCELOT_PIN(1),
 530         OCELOT_PIN(2),
 531         OCELOT_PIN(3),
 532         OCELOT_PIN(4),
 533         OCELOT_PIN(5),
 534         OCELOT_PIN(6),
 535         OCELOT_PIN(7),
 536         OCELOT_PIN(8),
 537         OCELOT_PIN(9),
 538         OCELOT_PIN(10),
 539         OCELOT_PIN(11),
 540         OCELOT_PIN(12),
 541         OCELOT_PIN(13),
 542         OCELOT_PIN(14),
 543         OCELOT_PIN(15),
 544         OCELOT_PIN(16),
 545         OCELOT_PIN(17),
 546         OCELOT_PIN(18),
 547         OCELOT_PIN(19),
 548         OCELOT_PIN(20),
 549         OCELOT_PIN(21),
 550 };
 551
 552 #define JAGUAR2_P(p, f0, f1)                                            \
 553 static struct ocelot_pin_caps jaguar2_pin_##p = {                       \
 554         .pin = p,                                                       \
 555         .functions = {                                                  \
 556                         FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_NONE      \
 557         },                                                              \
 558 }
 559
 560 JAGUAR2_P(0,  SG0,       NONE);
 561 JAGUAR2_P(1,  SG0,       NONE);
 562 JAGUAR2_P(2,  SG0,       NONE);
 563 JAGUAR2_P(3,  SG0,       NONE);
 564 JAGUAR2_P(4,  SG1,       NONE);
 565 JAGUAR2_P(5,  SG1,       NONE);
 566 JAGUAR2_P(6,  IRQ0_IN,   IRQ0_OUT);
 567 JAGUAR2_P(7,  IRQ1_IN,   IRQ1_OUT);
 568 JAGUAR2_P(8,  PTP0,      NONE);
 569 JAGUAR2_P(9,  PTP1,      NONE);
 570 JAGUAR2_P(10, UART,      NONE);
 571 JAGUAR2_P(11, UART,      NONE);
 572 JAGUAR2_P(12, SG1,       NONE);
 573 JAGUAR2_P(13, SG1,       NONE);
 574 JAGUAR2_P(14, TWI,       TWI_SCL_M);
 575 JAGUAR2_P(15, TWI,       NONE);
 576 JAGUAR2_P(16, SI,        TWI_SCL_M);
 577 JAGUAR2_P(17, SI,        TWI_SCL_M);
 578 JAGUAR2_P(18, SI,        TWI_SCL_M);
 579 JAGUAR2_P(19, PCI_WAKE,  NONE);
 580 JAGUAR2_P(20, IRQ0_OUT,  TWI_SCL_M);
 581 JAGUAR2_P(21, IRQ1_OUT,  TWI_SCL_M);
 582 JAGUAR2_P(22, TACHO,     NONE);
 583 JAGUAR2_P(23, PWM,       NONE);
 584 JAGUAR2_P(24, UART2,     NONE);
 585 JAGUAR2_P(25, UART2,     SI);
 586 JAGUAR2_P(26, PTP2,      SI);
 587 JAGUAR2_P(27, PTP3,      SI);
 588 JAGUAR2_P(28, TWI2,      SI);
 589 JAGUAR2_P(29, TWI2,      SI);
 590 JAGUAR2_P(30, SG2,       SI);
 591 JAGUAR2_P(31, SG2,       SI);
 592 JAGUAR2_P(32, SG2,       SI);
 593 JAGUAR2_P(33, SG2,       SI);
 594 JAGUAR2_P(34, NONE,      TWI_SCL_M);
 595 JAGUAR2_P(35, NONE,      TWI_SCL_M);
 596 JAGUAR2_P(36, NONE,      TWI_SCL_M);
 597 JAGUAR2_P(37, NONE,      TWI_SCL_M);
 598 JAGUAR2_P(38, NONE,      TWI_SCL_M);
 599 JAGUAR2_P(39, NONE,      TWI_SCL_M);
 600 JAGUAR2_P(40, NONE,      TWI_SCL_M);
 601 JAGUAR2_P(41, NONE,      TWI_SCL_M);
 602 JAGUAR2_P(42, NONE,      TWI_SCL_M);
 603 JAGUAR2_P(43, NONE,      TWI_SCL_M);
 604 JAGUAR2_P(44, NONE,      SFP);
 605 JAGUAR2_P(45, NONE,      SFP);
 606 JAGUAR2_P(46, NONE,      SFP);
 607 JAGUAR2_P(47, NONE,      SFP);
 608 JAGUAR2_P(48, SFP,       NONE);
 609 JAGUAR2_P(49, SFP,       SI);
 610 JAGUAR2_P(50, SFP,       SI);
 611 JAGUAR2_P(51, SFP,       SI);
 612 JAGUAR2_P(52, SFP,       NONE);
 613 JAGUAR2_P(53, SFP,       NONE);
 614 JAGUAR2_P(54, SFP,       NONE);
 615 JAGUAR2_P(55, SFP,       NONE);
 616 JAGUAR2_P(56, MIIM,      SFP);
 617 JAGUAR2_P(57, MIIM,      SFP);
 618 JAGUAR2_P(58, MIIM,      SFP);
 619 JAGUAR2_P(59, MIIM,      SFP);
 620 JAGUAR2_P(60, NONE,      NONE);
 621 JAGUAR2_P(61, NONE,      NONE);
 622 JAGUAR2_P(62, NONE,      NONE);
 623 JAGUAR2_P(63, NONE,      NONE);
 624
 625 #define JAGUAR2_PIN(n) {                                        \
 626         .number = n,                                            \
 627         .name = "GPIO_"#n,                                      \
 628         .drv_data = &jaguar2_pin_##n                            \
 629 }
 630
 631 static const struct pinctrl_pin_desc jaguar2_pins[] = {
 632         JAGUAR2_PIN(0),
 633         JAGUAR2_PIN(1),
 634         JAGUAR2_PIN(2),
 635         JAGUAR2_PIN(3),
 636         JAGUAR2_PIN(4),
 637         JAGUAR2_PIN(5),
 638         JAGUAR2_PIN(6),
 639         JAGUAR2_PIN(7),
 640         JAGUAR2_PIN(8),
 641         JAGUAR2_PIN(9),
 642         JAGUAR2_PIN(10),
 643         JAGUAR2_PIN(11),
 644         JAGUAR2_PIN(12),
 645         JAGUAR2_PIN(13),
 646         JAGUAR2_PIN(14),
 647         JAGUAR2_PIN(15),
 648         JAGUAR2_PIN(16),
 649         JAGUAR2_PIN(17),
 650         JAGUAR2_PIN(18),
 651         JAGUAR2_PIN(19),
 652         JAGUAR2_PIN(20),
 653         JAGUAR2_PIN(21),
 654         JAGUAR2_PIN(22),
 655         JAGUAR2_PIN(23),
 656         JAGUAR2_PIN(24),
 657         JAGUAR2_PIN(25),
 658         JAGUAR2_PIN(26),
 659         JAGUAR2_PIN(27),
 660         JAGUAR2_PIN(28),
 661         JAGUAR2_PIN(29),
 662         JAGUAR2_PIN(30),
 663         JAGUAR2_PIN(31),
 664         JAGUAR2_PIN(32),
 665         JAGUAR2_PIN(33),
 666         JAGUAR2_PIN(34),
 667         JAGUAR2_PIN(35),
 668         JAGUAR2_PIN(36),
 669         JAGUAR2_PIN(37),
 670         JAGUAR2_PIN(38),
 671         JAGUAR2_PIN(39),
 672         JAGUAR2_PIN(40),
 673         JAGUAR2_PIN(41),
 674         JAGUAR2_PIN(42),
 675         JAGUAR2_PIN(43),
 676         JAGUAR2_PIN(44),
 677         JAGUAR2_PIN(45),
 678         JAGUAR2_PIN(46),
 679         JAGUAR2_PIN(47),
 680         JAGUAR2_PIN(48),
 681         JAGUAR2_PIN(49),
 682         JAGUAR2_PIN(50),
 683         JAGUAR2_PIN(51),
 684         JAGUAR2_PIN(52),
 685         JAGUAR2_PIN(53),
 686         JAGUAR2_PIN(54),
 687         JAGUAR2_PIN(55),
 688         JAGUAR2_PIN(56),
 689         JAGUAR2_PIN(57),
 690         JAGUAR2_PIN(58),
 691         JAGUAR2_PIN(59),
 692         JAGUAR2_PIN(60),
 693         JAGUAR2_PIN(61),
 694         JAGUAR2_PIN(62),
 695         JAGUAR2_PIN(63),
 696 };
 697
 698 #define SPARX5_P(p, f0, f1, f2)                                 \
 699 static struct ocelot_pin_caps sparx5_pin_##p = {                        \
 700         .pin = p,                                                       \
 701         .functions = {                                                  \
 702                 FUNC_GPIO, FUNC_##f0, FUNC_##f1, FUNC_##f2              \
 703         },                                                              \
 704 }
 705
 706 SPARX5_P(0,  SG0,       PLL_STAT,  NONE);
 707 SPARX5_P(1,  SG0,       NONE,      NONE);
 708 SPARX5_P(2,  SG0,       NONE,      NONE);
 709 SPARX5_P(3,  SG0,       NONE,      NONE);
 710 SPARX5_P(4,  SG1,       NONE,      NONE);
 711 SPARX5_P(5,  SG1,       NONE,      NONE);
 712 SPARX5_P(6,  IRQ0_IN,   IRQ0_OUT,  SFP);
 713 SPARX5_P(7,  IRQ1_IN,   IRQ1_OUT,  SFP);
 714 SPARX5_P(8,  PTP0,      NONE,      SFP);
 715 SPARX5_P(9,  PTP1,      SFP,       TWI_SCL_M);
 716 SPARX5_P(10, UART,      NONE,      NONE);
 717 SPARX5_P(11, UART,      NONE,      NONE);
 718 SPARX5_P(12, SG1,       NONE,      NONE);
 719 SPARX5_P(13, SG1,       NONE,      NONE);
 720 SPARX5_P(14, TWI,       TWI_SCL_M, NONE);
 721 SPARX5_P(15, TWI,       NONE,      NONE);
 722 SPARX5_P(16, SI,        TWI_SCL_M, SFP);
 723 SPARX5_P(17, SI,        TWI_SCL_M, SFP);
 724 SPARX5_P(18, SI,        TWI_SCL_M, SFP);
 725 SPARX5_P(19, PCI_WAKE,  TWI_SCL_M, SFP);
 726 SPARX5_P(20, IRQ0_OUT,  TWI_SCL_M, SFP);
 727 SPARX5_P(21, IRQ1_OUT,  TACHO,     SFP);
 728 SPARX5_P(22, TACHO,     IRQ0_OUT,  TWI_SCL_M);
 729 SPARX5_P(23, PWM,       UART3,     TWI_SCL_M);
 730 SPARX5_P(24, PTP2,      UART3,     TWI_SCL_M);
 731 SPARX5_P(25, PTP3,      SI,        TWI_SCL_M);
 732 SPARX5_P(26, UART2,     SI,        TWI_SCL_M);
 733 SPARX5_P(27, UART2,     SI,        TWI_SCL_M);
 734 SPARX5_P(28, TWI2,      SI,        SFP);
 735 SPARX5_P(29, TWI2,      SI,        SFP);
 736 SPARX5_P(30, SG2,       SI,        PWM);
 737 SPARX5_P(31, SG2,       SI,        TWI_SCL_M);
 738 SPARX5_P(32, SG2,       SI,        TWI_SCL_M);
 739 SPARX5_P(33, SG2,       SI,        SFP);
 740 SPARX5_P(34, NONE,      TWI_SCL_M, EMMC);
 741 SPARX5_P(35, SFP,       TWI_SCL_M, EMMC);
 742 SPARX5_P(36, SFP,       TWI_SCL_M, EMMC);
 743 SPARX5_P(37, SFP,       NONE,      EMMC);
 744 SPARX5_P(38, NONE,      TWI_SCL_M, EMMC);
 745 SPARX5_P(39, SI2,       TWI_SCL_M, EMMC);
 746 SPARX5_P(40, SI2,       TWI_SCL_M, EMMC);
 747 SPARX5_P(41, SI2,       TWI_SCL_M, EMMC);
 748 SPARX5_P(42, SI2,       TWI_SCL_M, EMMC);
 749 SPARX5_P(43, SI2,       TWI_SCL_M, EMMC);
 750 SPARX5_P(44, SI,        SFP,       EMMC);
 751 SPARX5_P(45, SI,        SFP,       EMMC);
 752 SPARX5_P(46, NONE,      SFP,       EMMC);
 753 SPARX5_P(47, NONE,      SFP,       EMMC);
 754 SPARX5_P(48, TWI3,      SI,        SFP);
 755 SPARX5_P(49, TWI3,      NONE,      SFP);
 756 SPARX5_P(50, SFP,       NONE,      TWI_SCL_M);
 757 SPARX5_P(51, SFP,       SI,        TWI_SCL_M);
 758 SPARX5_P(52, SFP,       MIIM,      TWI_SCL_M);
 759 SPARX5_P(53, SFP,       MIIM,      TWI_SCL_M);
 760 SPARX5_P(54, SFP,       PTP2,      TWI_SCL_M);
 761 SPARX5_P(55, SFP,       PTP3,      PCI_WAKE);
 762 SPARX5_P(56, MIIM,      SFP,       TWI_SCL_M);
 763 SPARX5_P(57, MIIM,      SFP,       TWI_SCL_M);
 764 SPARX5_P(58, MIIM,      SFP,       TWI_SCL_M);
 765 SPARX5_P(59, MIIM,      SFP,       NONE);
 766 SPARX5_P(60, RECO_CLK,  NONE,      NONE);
 767 SPARX5_P(61, RECO_CLK,  NONE,      NONE);
 768 SPARX5_P(62, RECO_CLK,  PLL_STAT,  NONE);
 769 SPARX5_P(63, RECO_CLK,  NONE,      NONE);
 770
 771 #define SPARX5_PIN(n) {                                 \
 772         .number = n,                                            \
 773         .name = "GPIO_"#n,                                      \
 774         .drv_data = &sparx5_pin_##n                             \
 775 }
 776
 777 static const struct pinctrl_pin_desc sparx5_pins[] = {
 778         SPARX5_PIN(0),
 779         SPARX5_PIN(1),
 780         SPARX5_PIN(2),
 781         SPARX5_PIN(3),
 782         SPARX5_PIN(4),
 783         SPARX5_PIN(5),
 784         SPARX5_PIN(6),
 785         SPARX5_PIN(7),
 786         SPARX5_PIN(8),
 787         SPARX5_PIN(9),
 788         SPARX5_PIN(10),
 789         SPARX5_PIN(11),
 790         SPARX5_PIN(12),
 791         SPARX5_PIN(13),
 792         SPARX5_PIN(14),
 793         SPARX5_PIN(15),
 794         SPARX5_PIN(16),
 795         SPARX5_PIN(17),
 796         SPARX5_PIN(18),
 797         SPARX5_PIN(19),
 798         SPARX5_PIN(20),
 799         SPARX5_PIN(21),
 800         SPARX5_PIN(22),
 801         SPARX5_PIN(23),
 802         SPARX5_PIN(24),
 803         SPARX5_PIN(25),
 804         SPARX5_PIN(26),
 805         SPARX5_PIN(27),
 806         SPARX5_PIN(28),
 807         SPARX5_PIN(29),
 808         SPARX5_PIN(30),
 809         SPARX5_PIN(31),
 810         SPARX5_PIN(32),
 811         SPARX5_PIN(33),
 812         SPARX5_PIN(34),
 813         SPARX5_PIN(35),
 814         SPARX5_PIN(36),
 815         SPARX5_PIN(37),
 816         SPARX5_PIN(38),
 817         SPARX5_PIN(39),
 818         SPARX5_PIN(40),
 819         SPARX5_PIN(41),
 820         SPARX5_PIN(42),
 821         SPARX5_PIN(43),
 822         SPARX5_PIN(44),
 823         SPARX5_PIN(45),
 824         SPARX5_PIN(46),
 825         SPARX5_PIN(47),
 826         SPARX5_PIN(48),
 827         SPARX5_PIN(49),
 828         SPARX5_PIN(50),
 829         SPARX5_PIN(51),
 830         SPARX5_PIN(52),
 831         SPARX5_PIN(53),
 832         SPARX5_PIN(54),
 833         SPARX5_PIN(55),
 834         SPARX5_PIN(56),
 835         SPARX5_PIN(57),
 836         SPARX5_PIN(58),
 837         SPARX5_PIN(59),
 838         SPARX5_PIN(60),
 839         SPARX5_PIN(61),
 840         SPARX5_PIN(62),
 841         SPARX5_PIN(63),
 842 };
 843
 844 #define LAN966X_P(p, f0, f1, f2, f3, f4, f5, f6, f7)           \
 845 static struct ocelot_pin_caps lan966x_pin_##p = {              \
 846         .pin = p,                                              \
 847         .functions = {                                         \
 848                 FUNC_##f0, FUNC_##f1, FUNC_##f2,               \
 849                 FUNC_##f3                                      \
 850         },                                                     \
 851         .a_functions = {                                       \
 852                 FUNC_##f4, FUNC_##f5, FUNC_##f6,               \
 853                 FUNC_##f7                                      \
 854         },                                                     \
 855 }
 856
 857 /* Pinmuxing table taken from data sheet */
 858 /*        Pin   FUNC0    FUNC1     FUNC2      FUNC3     FUNC4     FUNC5      FUNC6    FUNC7 */
 859 LAN966X_P(0,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 860 LAN966X_P(1,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 861 LAN966X_P(2,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 862 LAN966X_P(3,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 863 LAN966X_P(4,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 864 LAN966X_P(5,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 865 LAN966X_P(6,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 866 LAN966X_P(7,    GPIO,    NONE,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 867 LAN966X_P(8,    GPIO,   FC0_a,  USB_H_b,      NONE,  USB_S_b,     NONE,      NONE,        R);
 868 LAN966X_P(9,    GPIO,   FC0_a,  USB_H_b,      NONE,     NONE,     NONE,      NONE,        R);
 869 LAN966X_P(10,   GPIO,   FC0_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 870 LAN966X_P(11,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 871 LAN966X_P(12,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 872 LAN966X_P(13,   GPIO,   FC1_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 873 LAN966X_P(14,   GPIO,   FC2_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 874 LAN966X_P(15,   GPIO,   FC2_a,     NONE,      NONE,     NONE,     NONE,      NONE,        R);
 875 LAN966X_P(16,   GPIO,   FC2_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
 876 LAN966X_P(17,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
 877 LAN966X_P(18,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
 878 LAN966X_P(19,   GPIO,   FC3_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c, IRQ_OUT_c,        R);
 879 LAN966X_P(20,   GPIO,   FC4_a, IB_TRG_a,      NONE, OB_TRG_a, IRQ_IN_c,      NONE,        R);
 880 LAN966X_P(21,   GPIO,   FC4_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
 881 LAN966X_P(22,   GPIO,   FC4_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
 882 LAN966X_P(23,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
 883 LAN966X_P(24,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_IN_c,   TACHO_a,        R);
 884 LAN966X_P(25,   GPIO,   FC0_b, IB_TRG_a,   USB_H_c, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
 885 LAN966X_P(26,   GPIO,   FC0_b, IB_TRG_a,   USB_S_c, OB_TRG_a,   CAN0_a,    SFP_SD,        R);
 886 LAN966X_P(27,   GPIO,    NONE,     NONE,      NONE, OB_TRG_a,   CAN0_a,      NONE,        R);
 887 LAN966X_P(28,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a, IRQ_OUT_c,   SFP_SD,        R);
 888 LAN966X_P(29,   GPIO,  MIIM_a,     NONE,      NONE, OB_TRG_a,     NONE,      NONE,        R);
 889 LAN966X_P(30,   GPIO,   FC3_c,     CAN1,      NONE,   OB_TRG,   RECO_b,      NONE,        R);
 890 LAN966X_P(31,   GPIO,   FC3_c,     CAN1,      NONE,   OB_TRG,   RECO_b,      NONE,        R);
 891 LAN966X_P(32,   GPIO,   FC3_c,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,      NONE,        R);
 892 LAN966X_P(33,   GPIO,   FC1_b,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,    MIIM_b,        R);
 893 LAN966X_P(34,   GPIO,   FC1_b,     NONE,   SGPIO_a,     NONE,  MIIM_Sa,    MIIM_b,        R);
 894 LAN966X_P(35,   GPIO,   FC1_b,     NONE,   SGPIO_a,   CAN0_b,     NONE,      NONE,        R);
 895 LAN966X_P(36,   GPIO,    NONE,  PTPSYNC_1,    NONE,   CAN0_b,     NONE,      NONE,        R);
 896 LAN966X_P(37,   GPIO, FC_SHRD0, PTPSYNC_2, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
 897 LAN966X_P(38,   GPIO,    NONE,  PTPSYNC_3,    NONE,     NONE,     NONE,      NONE,        R);
 898 LAN966X_P(39,   GPIO,    NONE,  PTPSYNC_4,    NONE,     NONE,     NONE,      NONE,        R);
 899 LAN966X_P(40,   GPIO, FC_SHRD1, PTPSYNC_5,    NONE,     NONE,     NONE,      NONE,        R);
 900 LAN966X_P(41,   GPIO, FC_SHRD2, PTPSYNC_6, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
 901 LAN966X_P(42,   GPIO, FC_SHRD3, PTPSYNC_7, TWI_SLC_GATE_AD, NONE, NONE,      NONE,        R);
 902 LAN966X_P(43,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,  RECO_a,  IRQ_IN_a,       R);
 903 LAN966X_P(44,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,  RECO_a,  IRQ_IN_a,       R);
 904 LAN966X_P(45,   GPIO,   FC2_b,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a,    NONE,  IRQ_IN_a,       R);
 905 LAN966X_P(46,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD4, IRQ_IN_a,       R);
 906 LAN966X_P(47,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD5, IRQ_IN_a,       R);
 907 LAN966X_P(48,   GPIO,   FC1_c,   OB_TRG_b, IB_TRG_b, IRQ_OUT_a, FC_SHRD6, IRQ_IN_a,       R);
 908 LAN966X_P(49,   GPIO, FC_SHRD7,  OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, IRQ_IN_a,   R);
 909 LAN966X_P(50,   GPIO, FC_SHRD16, OB_TRG_b, IB_TRG_b, IRQ_OUT_a, TWI_SLC_GATE, NONE,       R);
 910 LAN966X_P(51,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,    NONE,  IRQ_IN_b,       R);
 911 LAN966X_P(52,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TACHO_b,  IRQ_IN_b,       R);
 912 LAN966X_P(53,   GPIO,   FC3_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b,    NONE,  IRQ_IN_b,       R);
 913 LAN966X_P(54,   GPIO, FC_SHRD8,  OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b,   R);
 914 LAN966X_P(55,   GPIO, FC_SHRD9,  OB_TRG_b, IB_TRG_c, IRQ_OUT_b, TWI_SLC_GATE, IRQ_IN_b,   R);
 915 LAN966X_P(56,   GPIO,   FC4_b,   OB_TRG_b, IB_TRG_c, IRQ_OUT_b, FC_SHRD10,    IRQ_IN_b,   R);
 916 LAN966X_P(57,   GPIO,   FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD11, IRQ_IN_b,    R);
 917 LAN966X_P(58,   GPIO,   FC4_b, TWI_SLC_GATE, IB_TRG_c, IRQ_OUT_b, FC_SHRD12, IRQ_IN_b,    R);
 918 LAN966X_P(59,   GPIO,   QSPI1,   MIIM_c,      NONE,     NONE,  MIIM_Sb,      NONE,        R);
 919 LAN966X_P(60,   GPIO,   QSPI1,   MIIM_c,      NONE,     NONE,  MIIM_Sb,      NONE,        R);
 920 LAN966X_P(61,   GPIO,   QSPI1,     NONE,   SGPIO_b,    FC0_c,  MIIM_Sb,      NONE,        R);
 921 LAN966X_P(62,   GPIO,   QSPI1, FC_SHRD13,  SGPIO_b,    FC0_c, TWI_SLC_GATE,  SFP_SD,      R);
 922 LAN966X_P(63,   GPIO,   QSPI1, FC_SHRD14,  SGPIO_b,    FC0_c, TWI_SLC_GATE,  SFP_SD,      R);
 923 LAN966X_P(64,   GPIO,   QSPI1,    FC4_c,   SGPIO_b, FC_SHRD15, TWI_SLC_GATE, SFP_SD,      R);
 924 LAN966X_P(65,   GPIO, USB_H_a,    FC4_c,      NONE, IRQ_OUT_c, TWI_SLC_GATE_AD, NONE,     R);
 925 LAN966X_P(66,   GPIO, USB_H_a,    FC4_c,   USB_S_a, IRQ_OUT_c, IRQ_IN_c,     NONE,        R);
 926 LAN966X_P(67,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 927 LAN966X_P(68,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 928 LAN966X_P(69,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 929 LAN966X_P(70,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 930 LAN966X_P(71,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 931 LAN966X_P(72,   GPIO, EMMC_SD,     NONE,     QSPI2,     NONE,     NONE,      NONE,        R);
 932 LAN966X_P(73,   GPIO,    EMMC,     NONE,      NONE,       SD,     NONE,      NONE,        R);
 933 LAN966X_P(74,   GPIO,    EMMC,     NONE, FC_SHRD17,       SD, TWI_SLC_GATE,  NONE,        R);
 934 LAN966X_P(75,   GPIO,    EMMC,     NONE, FC_SHRD18,       SD, TWI_SLC_GATE,  NONE,        R);
 935 LAN966X_P(76,   GPIO,    EMMC,     NONE, FC_SHRD19,       SD, TWI_SLC_GATE,  NONE,        R);
 936 LAN966X_P(77,   GPIO, EMMC_SD,     NONE, FC_SHRD20,     NONE, TWI_SLC_GATE,  NONE,        R);
 937
 938 #define LAN966X_PIN(n) {                                       \
 939         .number = n,                                           \
 940         .name = "GPIO_"#n,                                     \
 941         .drv_data = &lan966x_pin_##n                           \
 942 }
 943
 944 static const struct pinctrl_pin_desc lan966x_pins[] = {
 945         LAN966X_PIN(0),
 946         LAN966X_PIN(1),
 947         LAN966X_PIN(2),
 948         LAN966X_PIN(3),
 949         LAN966X_PIN(4),
 950         LAN966X_PIN(5),
 951         LAN966X_PIN(6),
 952         LAN966X_PIN(7),
 953         LAN966X_PIN(8),
 954         LAN966X_PIN(9),
 955         LAN966X_PIN(10),
 956         LAN966X_PIN(11),
 957         LAN966X_PIN(12),
 958         LAN966X_PIN(13),
 959         LAN966X_PIN(14),
 960         LAN966X_PIN(15),
 961         LAN966X_PIN(16),
 962         LAN966X_PIN(17),
 963         LAN966X_PIN(18),
 964         LAN966X_PIN(19),
 965         LAN966X_PIN(20),
 966         LAN966X_PIN(21),
 967         LAN966X_PIN(22),
 968         LAN966X_PIN(23),
 969         LAN966X_PIN(24),
 970         LAN966X_PIN(25),
 971         LAN966X_PIN(26),
 972         LAN966X_PIN(27),
 973         LAN966X_PIN(28),
 974         LAN966X_PIN(29),
 975         LAN966X_PIN(30),
 976         LAN966X_PIN(31),
 977         LAN966X_PIN(32),
 978         LAN966X_PIN(33),
 979         LAN966X_PIN(34),
 980         LAN966X_PIN(35),
 981         LAN966X_PIN(36),
 982         LAN966X_PIN(37),
 983         LAN966X_PIN(38),
 984         LAN966X_PIN(39),
 985         LAN966X_PIN(40),
 986         LAN966X_PIN(41),
 987         LAN966X_PIN(42),
 988         LAN966X_PIN(43),
 989         LAN966X_PIN(44),
 990         LAN966X_PIN(45),
 991         LAN966X_PIN(46),
 992         LAN966X_PIN(47),
 993         LAN966X_PIN(48),
 994         LAN966X_PIN(49),
 995         LAN966X_PIN(50),
 996         LAN966X_PIN(51),
 997         LAN966X_PIN(52),
 998         LAN966X_PIN(53),
 999         LAN966X_PIN(54),
1000         LAN966X_PIN(55),
1001         LAN966X_PIN(56),
1002         LAN966X_PIN(57),
1003         LAN966X_PIN(58),
1004         LAN966X_PIN(59),
1005         LAN966X_PIN(60),
1006         LAN966X_PIN(61),
1007         LAN966X_PIN(62),
1008         LAN966X_PIN(63),
1009         LAN966X_PIN(64),
1010         LAN966X_PIN(65),
1011         LAN966X_PIN(66),
1012         LAN966X_PIN(67),
1013         LAN966X_PIN(68),
1014         LAN966X_PIN(69),
1015         LAN966X_PIN(70),
1016         LAN966X_PIN(71),
1017         LAN966X_PIN(72),
1018         LAN966X_PIN(73),
1019         LAN966X_PIN(74),
1020         LAN966X_PIN(75),
1021         LAN966X_PIN(76),
1022         LAN966X_PIN(77),
1023 };
1024
1025 static int ocelot_get_functions_count(struct pinctrl_dev *pctldev)
1026 {
1027         return ARRAY_SIZE(ocelot_function_names);
1028 }
1029
1030 static const char *ocelot_get_function_name(struct pinctrl_dev *pctldev,
1031                                             unsigned int function)
1032 {
1033         return ocelot_function_names[function];
1034 }
1035
1036 static int ocelot_get_function_groups(struct pinctrl_dev *pctldev,
1037                                       unsigned int function,
1038                                       const char *const **groups,
1039                                       unsigned *const num_groups)
1040 {
1041         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1042
1043         *groups  = info->func[function].groups;
1044         *num_groups = info->func[function].ngroups;
1045
1046         return 0;
1047 }
1048
1049 static int ocelot_pin_function_idx(struct ocelot_pinctrl *info,
1050                                    unsigned int pin, unsigned int function)
1051 {
1052         struct ocelot_pin_caps *p = info->desc->pins[pin].drv_data;
1053         int i;
1054
1055         for (i = 0; i < OCELOT_FUNC_PER_PIN; i++) {
1056                 if (function == p->functions[i])
1057                         return i;
1058
1059                 if (function == p->a_functions[i])
1060                         return i + OCELOT_FUNC_PER_PIN;
1061         }
1062
1063         return -1;
1064 }
1065
1066 #define REG_ALT(msb, info, p) (OCELOT_GPIO_ALT0 * (info)->stride + 4 * ((msb) + ((info)->stride * ((p) / 32))))
1067
1068 static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev,
1069                                  unsigned int selector, unsigned int group)
1070 {
1071         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1072         struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
1073         unsigned int p = pin->pin % 32;
1074         int f;
1075
1076         f = ocelot_pin_function_idx(info, group, selector);
1077         if (f < 0)
1078                 return -EINVAL;
1079
1080         /*
1081          * f is encoded on two bits.
1082          * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
1083          * ALT[1]
1084          * This is racy because both registers can't be updated at the same time
1085          * but it doesn't matter much for now.
1086          * Note: ALT0/ALT1 are organized specially for 64 gpio targets
1087          */
1088         regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
1089                            BIT(p), f << p);
1090         regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
1091                            BIT(p), f << (p - 1));
1092
1093         return 0;
1094 }
1095
1096 static int lan966x_pinmux_set_mux(struct pinctrl_dev *pctldev,
1097                                   unsigned int selector, unsigned int group)
1098 {
1099         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1100         struct ocelot_pin_caps *pin = info->desc->pins[group].drv_data;
1101         unsigned int p = pin->pin % 32;
1102         int f;
1103
1104         f = ocelot_pin_function_idx(info, group, selector);
1105         if (f < 0)
1106                 return -EINVAL;
1107
1108         /*
1109          * f is encoded on three bits.
1110          * bit 0 of f goes in BIT(pin) of ALT[0], bit 1 of f goes in BIT(pin) of
1111          * ALT[1], bit 2 of f goes in BIT(pin) of ALT[2]
1112          * This is racy because three registers can't be updated at the same time
1113          * but it doesn't matter much for now.
1114          * Note: ALT0/ALT1/ALT2 are organized specially for 78 gpio targets
1115          */
1116         regmap_update_bits(info->map, REG_ALT(0, info, pin->pin),
1117                            BIT(p), f << p);
1118         regmap_update_bits(info->map, REG_ALT(1, info, pin->pin),
1119                            BIT(p), (f >> 1) << p);
1120         regmap_update_bits(info->map, REG_ALT(2, info, pin->pin),
1121                            BIT(p), (f >> 2) << p);
1122
1123         return 0;
1124 }
1125
1126 #define REG(r, info, p) ((r) * (info)->stride + (4 * ((p) / 32)))
1127
1128 static int ocelot_gpio_set_direction(struct pinctrl_dev *pctldev,
1129                                      struct pinctrl_gpio_range *range,
1130                                      unsigned int pin, bool input)
1131 {
1132         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1133         unsigned int p = pin % 32;
1134
1135         regmap_update_bits(info->map, REG(OCELOT_GPIO_OE, info, pin), BIT(p),
1136                            input ? 0 : BIT(p));
1137
1138         return 0;
1139 }
1140
1141 static int ocelot_gpio_request_enable(struct pinctrl_dev *pctldev,
1142                                       struct pinctrl_gpio_range *range,
1143                                       unsigned int offset)
1144 {
1145         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1146         unsigned int p = offset % 32;
1147
1148         regmap_update_bits(info->map, REG_ALT(0, info, offset),
1149                            BIT(p), 0);
1150         regmap_update_bits(info->map, REG_ALT(1, info, offset),
1151                            BIT(p), 0);
1152
1153         return 0;
1154 }
1155
1156 static int lan966x_gpio_request_enable(struct pinctrl_dev *pctldev,
1157                                        struct pinctrl_gpio_range *range,
1158                                        unsigned int offset)
1159 {
1160         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1161         unsigned int p = offset % 32;
1162
1163         regmap_update_bits(info->map, REG_ALT(0, info, offset),
1164                            BIT(p), 0);
1165         regmap_update_bits(info->map, REG_ALT(1, info, offset),
1166                            BIT(p), 0);
1167         regmap_update_bits(info->map, REG_ALT(2, info, offset),
1168                            BIT(p), 0);
1169
1170         return 0;
1171 }
1172
1173 static const struct pinmux_ops ocelot_pmx_ops = {
1174         .get_functions_count = ocelot_get_functions_count,
1175         .get_function_name = ocelot_get_function_name,
1176         .get_function_groups = ocelot_get_function_groups,
1177         .set_mux = ocelot_pinmux_set_mux,
1178         .gpio_set_direction = ocelot_gpio_set_direction,
1179         .gpio_request_enable = ocelot_gpio_request_enable,
1180 };
1181
1182 static const struct pinmux_ops lan966x_pmx_ops = {
1183         .get_functions_count = ocelot_get_functions_count,
1184         .get_function_name = ocelot_get_function_name,
1185         .get_function_groups = ocelot_get_function_groups,
1186         .set_mux = lan966x_pinmux_set_mux,
1187         .gpio_set_direction = ocelot_gpio_set_direction,
1188         .gpio_request_enable = lan966x_gpio_request_enable,
1189 };
1190
1191 static int ocelot_pctl_get_groups_count(struct pinctrl_dev *pctldev)
1192 {
1193         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1194
1195         return info->desc->npins;
1196 }
1197
1198 static const char *ocelot_pctl_get_group_name(struct pinctrl_dev *pctldev,
1199                                               unsigned int group)
1200 {
1201         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1202
1203         return info->desc->pins[group].name;
1204 }
1205
1206 static int ocelot_pctl_get_group_pins(struct pinctrl_dev *pctldev,
1207                                       unsigned int group,
1208                                       const unsigned int **pins,
1209                                       unsigned int *num_pins)
1210 {
1211         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1212
1213         *pins = &info->desc->pins[group].number;
1214         *num_pins = 1;
1215
1216         return 0;
1217 }
1218
1219 static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
1220                                unsigned int pin,
1221                                unsigned int reg,
1222                                int *val)
1223 {
1224         int ret = -EOPNOTSUPP;
1225
1226         if (info->pincfg) {
1227                 u32 regcfg;
1228
1229                 ret = regmap_read(info->pincfg, pin, &regcfg);
1230                 if (ret)
1231                         return ret;
1232
1233                 ret = 0;
1234                 switch (reg) {
1235                 case PINCONF_BIAS:
1236                         *val = regcfg & BIAS_BITS;
1237                         break;
1238
1239                 case PINCONF_SCHMITT:
1240                         *val = regcfg & SCHMITT_BIT;
1241                         break;
1242
1243                 case PINCONF_DRIVE_STRENGTH:
1244                         *val = regcfg & DRIVE_BITS;
1245                         break;
1246
1247                 default:
1248                         ret = -EOPNOTSUPP;
1249                         break;
1250                 }
1251         }
1252         return ret;
1253 }
1254
1255 static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr,
1256                                     u32 clrbits, u32 setbits)
1257 {
1258         u32 val;
1259         int ret;
1260
1261         ret = regmap_read(info->pincfg, regaddr, &val);
1262         if (ret)
1263                 return ret;
1264
1265         val &= ~clrbits;
1266         val |= setbits;
1267
1268         ret = regmap_write(info->pincfg, regaddr, val);
1269
1270         return ret;
1271 }
1272
1273 static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
1274                                unsigned int pin,
1275                                unsigned int reg,
1276                                int val)
1277 {
1278         int ret = -EOPNOTSUPP;
1279
1280         if (info->pincfg) {
1281
1282                 ret = 0;
1283                 switch (reg) {
1284                 case PINCONF_BIAS:
1285                         ret = ocelot_pincfg_clrsetbits(info, pin, BIAS_BITS,
1286                                                        val);
1287                         break;
1288
1289                 case PINCONF_SCHMITT:
1290                         ret = ocelot_pincfg_clrsetbits(info, pin, SCHMITT_BIT,
1291                                                        val);
1292                         break;
1293
1294                 case PINCONF_DRIVE_STRENGTH:
1295                         if (val <= 3)
1296                                 ret = ocelot_pincfg_clrsetbits(info, pin,
1297                                                                DRIVE_BITS, val);
1298                         else
1299                                 ret = -EINVAL;
1300                         break;
1301
1302                 default:
1303                         ret = -EOPNOTSUPP;
1304                         break;
1305                 }
1306         }
1307         return ret;
1308 }
1309
1310 static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
1311                               unsigned int pin, unsigned long *config)
1312 {
1313         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1314         u32 param = pinconf_to_config_param(*config);
1315         int val, err;
1316
1317         switch (param) {
1318         case PIN_CONFIG_BIAS_DISABLE:
1319         case PIN_CONFIG_BIAS_PULL_UP:
1320         case PIN_CONFIG_BIAS_PULL_DOWN:
1321                 err = ocelot_hw_get_value(info, pin, PINCONF_BIAS, &val);
1322                 if (err)
1323                         return err;
1324                 if (param == PIN_CONFIG_BIAS_DISABLE)
1325                         val = (val == 0);
1326                 else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
1327                         val = (val & BIAS_PD_BIT ? true : false);
1328                 else    /* PIN_CONFIG_BIAS_PULL_UP */
1329                         val = (val & BIAS_PU_BIT ? true : false);
1330                 break;
1331
1332         case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1333                 err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
1334                 if (err)
1335                         return err;
1336
1337                 val = (val & SCHMITT_BIT ? true : false);
1338                 break;
1339
1340         case PIN_CONFIG_DRIVE_STRENGTH:
1341                 err = ocelot_hw_get_value(info, pin, PINCONF_DRIVE_STRENGTH,
1342                                           &val);
1343                 if (err)
1344                         return err;
1345                 break;
1346
1347         case PIN_CONFIG_OUTPUT:
1348                 err = regmap_read(info->map, REG(OCELOT_GPIO_OUT, info, pin),
1349                                   &val);
1350                 if (err)
1351                         return err;
1352                 val = !!(val & BIT(pin % 32));
1353                 break;
1354
1355         case PIN_CONFIG_INPUT_ENABLE:
1356         case PIN_CONFIG_OUTPUT_ENABLE:
1357                 err = regmap_read(info->map, REG(OCELOT_GPIO_OE, info, pin),
1358                                   &val);
1359                 if (err)
1360                         return err;
1361                 val = val & BIT(pin % 32);
1362                 if (param == PIN_CONFIG_OUTPUT_ENABLE)
1363                         val = !!val;
1364                 else
1365                         val = !val;
1366                 break;
1367
1368         default:
1369                 return -EOPNOTSUPP;
1370         }
1371
1372         *config = pinconf_to_config_packed(param, val);
1373
1374         return 0;
1375 }
1376
1377 static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
1378                               unsigned long *configs, unsigned int num_configs)
1379 {
1380         struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
1381         u32 param, arg, p;
1382         int cfg, err = 0;
1383
1384         for (cfg = 0; cfg < num_configs; cfg++) {
1385                 param = pinconf_to_config_param(configs[cfg]);
1386                 arg = pinconf_to_config_argument(configs[cfg]);
1387
1388                 switch (param) {
1389                 case PIN_CONFIG_BIAS_DISABLE:
1390                 case PIN_CONFIG_BIAS_PULL_UP:
1391                 case PIN_CONFIG_BIAS_PULL_DOWN:
1392                         arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
1393                         (param == PIN_CONFIG_BIAS_PULL_UP) ? BIAS_PU_BIT :
1394                         BIAS_PD_BIT;
1395
1396                         err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
1397                         if (err)
1398                                 goto err;
1399
1400                         break;
1401
1402                 case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
1403                         arg = arg ? SCHMITT_BIT : 0;
1404                         err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
1405                                                   arg);
1406                         if (err)
1407                                 goto err;
1408
1409                         break;
1410
1411                 case PIN_CONFIG_DRIVE_STRENGTH:
1412                         err = ocelot_hw_set_value(info, pin,
1413                                                   PINCONF_DRIVE_STRENGTH,
1414                                                   arg);
1415                         if (err)
1416                                 goto err;
1417
1418                         break;
1419
1420                 case PIN_CONFIG_OUTPUT_ENABLE:
1421                 case PIN_CONFIG_INPUT_ENABLE:
1422                 case PIN_CONFIG_OUTPUT:
1423                         p = pin % 32;
1424                         if (arg)
1425                                 regmap_write(info->map,
1426                                              REG(OCELOT_GPIO_OUT_SET, info,
1427                                                  pin),
1428                                              BIT(p));
1429                         else
1430                                 regmap_write(info->map,
1431                                              REG(OCELOT_GPIO_OUT_CLR, info,
1432                                                  pin),
1433                                              BIT(p));
1434                         regmap_update_bits(info->map,
1435                                            REG(OCELOT_GPIO_OE, info, pin),
1436                                            BIT(p),
1437                                            param == PIN_CONFIG_INPUT_ENABLE ?
1438                                            0 : BIT(p));
1439                         break;
1440
1441                 default:
1442                         err = -EOPNOTSUPP;
1443                 }
1444         }
1445 err:
1446         return err;
1447 }
1448
1449 static const struct pinconf_ops ocelot_confops = {
1450         .is_generic = true,
1451         .pin_config_get = ocelot_pinconf_get,
1452         .pin_config_set = ocelot_pinconf_set,
1453         .pin_config_config_dbg_show = pinconf_generic_dump_config,
1454 };
1455
1456 static const struct pinctrl_ops ocelot_pctl_ops = {
1457         .get_groups_count = ocelot_pctl_get_groups_count,
1458         .get_group_name = ocelot_pctl_get_group_name,
1459         .get_group_pins = ocelot_pctl_get_group_pins,
1460         .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
1461         .dt_free_map = pinconf_generic_dt_free_map,
1462 };
1463
1464 static struct pinctrl_desc luton_desc = {
1465         .name = "luton-pinctrl",
1466         .pins = luton_pins,
1467         .npins = ARRAY_SIZE(luton_pins),
1468         .pctlops = &ocelot_pctl_ops,
1469         .pmxops = &ocelot_pmx_ops,
1470         .owner = THIS_MODULE,
1471 };
1472
1473 static struct pinctrl_desc serval_desc = {
1474         .name = "serval-pinctrl",
1475         .pins = serval_pins,
1476         .npins = ARRAY_SIZE(serval_pins),
1477         .pctlops = &ocelot_pctl_ops,
1478         .pmxops = &ocelot_pmx_ops,
1479         .owner = THIS_MODULE,
1480 };
1481
1482 static struct pinctrl_desc ocelot_desc = {
1483         .name = "ocelot-pinctrl",
1484         .pins = ocelot_pins,
1485         .npins = ARRAY_SIZE(ocelot_pins),
1486         .pctlops = &ocelot_pctl_ops,
1487         .pmxops = &ocelot_pmx_ops,
1488         .owner = THIS_MODULE,
1489 };
1490
1491 static struct pinctrl_desc jaguar2_desc = {
1492         .name = "jaguar2-pinctrl",
1493         .pins = jaguar2_pins,
1494         .npins = ARRAY_SIZE(jaguar2_pins),
1495         .pctlops = &ocelot_pctl_ops,
1496         .pmxops = &ocelot_pmx_ops,
1497         .owner = THIS_MODULE,
1498 };
1499
1500 static struct pinctrl_desc sparx5_desc = {
1501         .name = "sparx5-pinctrl",
1502         .pins = sparx5_pins,
1503         .npins = ARRAY_SIZE(sparx5_pins),
1504         .pctlops = &ocelot_pctl_ops,
1505         .pmxops = &ocelot_pmx_ops,
1506         .confops = &ocelot_confops,
1507         .owner = THIS_MODULE,
1508 };
1509
1510 static struct pinctrl_desc lan966x_desc = {
1511         .name = "lan966x-pinctrl",
1512         .pins = lan966x_pins,
1513         .npins = ARRAY_SIZE(lan966x_pins),
1514         .pctlops = &ocelot_pctl_ops,
1515         .pmxops = &lan966x_pmx_ops,
1516         .confops = &ocelot_confops,
1517         .owner = THIS_MODULE,
1518 };
1519
1520 static int ocelot_create_group_func_map(struct device *dev,
1521                                         struct ocelot_pinctrl *info)
1522 {
1523         int f, npins, i;
1524         u8 *pins = kcalloc(info->desc->npins, sizeof(u8), GFP_KERNEL);
1525
1526         if (!pins)
1527                 return -ENOMEM;
1528
1529         for (f = 0; f < FUNC_MAX; f++) {
1530                 for (npins = 0, i = 0; i < info->desc->npins; i++) {
1531                         if (ocelot_pin_function_idx(info, i, f) >= 0)
1532                                 pins[npins++] = i;
1533                 }
1534
1535                 if (!npins)
1536                         continue;
1537
1538                 info->func[f].ngroups = npins;
1539                 info->func[f].groups = devm_kcalloc(dev, npins, sizeof(char *),
1540                                                     GFP_KERNEL);
1541                 if (!info->func[f].groups) {
1542                         kfree(pins);
1543                         return -ENOMEM;
1544                 }
1545
1546                 for (i = 0; i < npins; i++)
1547                         info->func[f].groups[i] =
1548                                 info->desc->pins[pins[i]].name;
1549         }
1550
1551         kfree(pins);
1552
1553         return 0;
1554 }
1555
1556 static int ocelot_pinctrl_register(struct platform_device *pdev,
1557                                    struct ocelot_pinctrl *info)
1558 {
1559         int ret;
1560
1561         ret = ocelot_create_group_func_map(&pdev->dev, info);
1562         if (ret) {
1563                 dev_err(&pdev->dev, "Unable to create group func map.\n");
1564                 return ret;
1565         }
1566
1567         info->pctl = devm_pinctrl_register(&pdev->dev, info->desc, info);
1568         if (IS_ERR(info->pctl)) {
1569                 dev_err(&pdev->dev, "Failed to register pinctrl\n");
1570                 return PTR_ERR(info->pctl);
1571         }
1572
1573         return 0;
1574 }
1575
1576 static int ocelot_gpio_get(struct gpio_chip *chip, unsigned int offset)
1577 {
1578         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1579         unsigned int val;
1580
1581         regmap_read(info->map, REG(OCELOT_GPIO_IN, info, offset), &val);
1582
1583         return !!(val & BIT(offset % 32));
1584 }
1585
1586 static void ocelot_gpio_set(struct gpio_chip *chip, unsigned int offset,
1587                             int value)
1588 {
1589         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1590
1591         if (value)
1592                 regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
1593                              BIT(offset % 32));
1594         else
1595                 regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
1596                              BIT(offset % 32));
1597 }
1598
1599 static int ocelot_gpio_get_direction(struct gpio_chip *chip,
1600                                      unsigned int offset)
1601 {
1602         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1603         unsigned int val;
1604
1605         regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
1606
1607         if (val & BIT(offset % 32))
1608                 return GPIO_LINE_DIRECTION_OUT;
1609
1610         return GPIO_LINE_DIRECTION_IN;
1611 }
1612
1613 static int ocelot_gpio_direction_input(struct gpio_chip *chip,
1614                                        unsigned int offset)
1615 {
1616         return pinctrl_gpio_direction_input(chip->base + offset);
1617 }
1618
1619 static int ocelot_gpio_direction_output(struct gpio_chip *chip,
1620                                         unsigned int offset, int value)
1621 {
1622         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1623         unsigned int pin = BIT(offset % 32);
1624
1625         if (value)
1626                 regmap_write(info->map, REG(OCELOT_GPIO_OUT_SET, info, offset),
1627                              pin);
1628         else
1629                 regmap_write(info->map, REG(OCELOT_GPIO_OUT_CLR, info, offset),
1630                              pin);
1631
1632         return pinctrl_gpio_direction_output(chip->base + offset);
1633 }
1634
1635 static const struct gpio_chip ocelot_gpiolib_chip = {
1636         .request = gpiochip_generic_request,
1637         .free = gpiochip_generic_free,
1638         .set = ocelot_gpio_set,
1639         .get = ocelot_gpio_get,
1640         .get_direction = ocelot_gpio_get_direction,
1641         .direction_input = ocelot_gpio_direction_input,
1642         .direction_output = ocelot_gpio_direction_output,
1643         .owner = THIS_MODULE,
1644 };
1645
1646 static void ocelot_irq_mask(struct irq_data *data)
1647 {
1648         struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1649         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1650         unsigned int gpio = irqd_to_hwirq(data);
1651
1652         regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
1653                            BIT(gpio % 32), 0);
1654 }
1655
1656 static void ocelot_irq_unmask(struct irq_data *data)
1657 {
1658         struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1659         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1660         unsigned int gpio = irqd_to_hwirq(data);
1661
1662         regmap_update_bits(info->map, REG(OCELOT_GPIO_INTR_ENA, info, gpio),
1663                            BIT(gpio % 32), BIT(gpio % 32));
1664 }
1665
1666 static void ocelot_irq_ack(struct irq_data *data)
1667 {
1668         struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
1669         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1670         unsigned int gpio = irqd_to_hwirq(data);
1671
1672         regmap_write_bits(info->map, REG(OCELOT_GPIO_INTR, info, gpio),
1673                           BIT(gpio % 32), BIT(gpio % 32));
1674 }
1675
1676 static int ocelot_irq_set_type(struct irq_data *data, unsigned int type);
1677
1678 static struct irq_chip ocelot_eoi_irqchip = {
1679         .name           = "gpio",
1680         .irq_mask       = ocelot_irq_mask,
1681         .irq_eoi        = ocelot_irq_ack,
1682         .irq_unmask     = ocelot_irq_unmask,
1683         .flags          = IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED,
1684         .irq_set_type   = ocelot_irq_set_type,
1685 };
1686
1687 static struct irq_chip ocelot_irqchip = {
1688         .name           = "gpio",
1689         .irq_mask       = ocelot_irq_mask,
1690         .irq_ack        = ocelot_irq_ack,
1691         .irq_unmask     = ocelot_irq_unmask,
1692         .irq_set_type   = ocelot_irq_set_type,
1693 };
1694
1695 static int ocelot_irq_set_type(struct irq_data *data, unsigned int type)
1696 {
1697         type &= IRQ_TYPE_SENSE_MASK;
1698
1699         if (!(type & (IRQ_TYPE_EDGE_BOTH | IRQ_TYPE_LEVEL_HIGH)))
1700                 return -EINVAL;
1701
1702         if (type & IRQ_TYPE_LEVEL_HIGH)
1703                 irq_set_chip_handler_name_locked(data, &ocelot_eoi_irqchip,
1704                                                  handle_fasteoi_irq, NULL);
1705         if (type & IRQ_TYPE_EDGE_BOTH)
1706                 irq_set_chip_handler_name_locked(data, &ocelot_irqchip,
1707                                                  handle_edge_irq, NULL);
1708
1709         return 0;
1710 }
1711
1712 static void ocelot_irq_handler(struct irq_desc *desc)
1713 {
1714         struct irq_chip *parent_chip = irq_desc_get_chip(desc);
1715         struct gpio_chip *chip = irq_desc_get_handler_data(desc);
1716         struct ocelot_pinctrl *info = gpiochip_get_data(chip);
1717         unsigned int id_reg = OCELOT_GPIO_INTR_IDENT * info->stride;
1718         unsigned int reg = 0, irq, i;
1719         unsigned long irqs;
1720
1721         for (i = 0; i < info->stride; i++) {
1722                 regmap_read(info->map, id_reg + 4 * i, &reg);
1723                 if (!reg)
1724                         continue;
1725
1726                 chained_irq_enter(parent_chip, desc);
1727
1728                 irqs = reg;
1729
1730                 for_each_set_bit(irq, &irqs,
1731                                  min(32U, info->desc->npins - 32 * i))
1732                         generic_handle_domain_irq(chip->irq.domain, irq + 32 * i);
1733
1734                 chained_irq_exit(parent_chip, desc);
1735         }
1736 }
1737
1738 static int ocelot_gpiochip_register(struct platform_device *pdev,
1739                                     struct ocelot_pinctrl *info)
1740 {
1741         struct gpio_chip *gc;
1742         struct gpio_irq_chip *girq;
1743         int irq;
1744
1745         info->gpio_chip = ocelot_gpiolib_chip;
1746
1747         gc = &info->gpio_chip;
1748         gc->ngpio = info->desc->npins;
1749         gc->parent = &pdev->dev;
1750         gc->base = -1;
1751         gc->label = "ocelot-gpio";
1752
1753         irq = irq_of_parse_and_map(gc->of_node, 0);
1754         if (irq) {
1755                 girq = &gc->irq;
1756                 girq->chip = &ocelot_irqchip;
1757                 girq->parent_handler = ocelot_irq_handler;
1758                 girq->num_parents = 1;
1759                 girq->parents = devm_kcalloc(&pdev->dev, 1,
1760                                              sizeof(*girq->parents),
1761                                              GFP_KERNEL);
1762                 if (!girq->parents)
1763                         return -ENOMEM;
1764                 girq->parents[0] = irq;
1765                 girq->default_type = IRQ_TYPE_NONE;
1766                 girq->handler = handle_edge_irq;
1767         }
1768
1769         return devm_gpiochip_add_data(&pdev->dev, gc, info);
1770 }
1771
1772 static const struct of_device_id ocelot_pinctrl_of_match[] = {
1773         { .compatible = "mscc,luton-pinctrl", .data = &luton_desc },
1774         { .compatible = "mscc,serval-pinctrl", .data = &serval_desc },
1775         { .compatible = "mscc,ocelot-pinctrl", .data = &ocelot_desc },
1776         { .compatible = "mscc,jaguar2-pinctrl", .data = &jaguar2_desc },
1777         { .compatible = "microchip,sparx5-pinctrl", .data = &sparx5_desc },
1778         { .compatible = "microchip,lan966x-pinctrl", .data = &lan966x_desc },
1779         {},
1780 };
1781
1782 static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev)
1783 {
1784         void __iomem *base;
1785
1786         const struct regmap_config regmap_config = {
1787                 .reg_bits = 32,
1788                 .val_bits = 32,
1789                 .reg_stride = 4,
1790                 .max_register = 32,
1791         };
1792
1793         base = devm_platform_ioremap_resource(pdev, 0);
1794         if (IS_ERR(base)) {
1795                 dev_dbg(&pdev->dev, "Failed to ioremap config registers (no extended pinconf)\n");
1796                 return NULL;
1797         }
1798
1799         return devm_regmap_init_mmio(&pdev->dev, base, &regmap_config);
1800 }
1801
1802 static int ocelot_pinctrl_probe(struct platform_device *pdev)
1803 {
1804         struct device *dev = &pdev->dev;
1805         struct ocelot_pinctrl *info;
1806         struct regmap *pincfg;
1807         void __iomem *base;
1808         int ret;
1809         struct regmap_config regmap_config = {
1810                 .reg_bits = 32,
1811                 .val_bits = 32,
1812                 .reg_stride = 4,
1813         };
1814
1815         info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
1816         if (!info)
1817                 return -ENOMEM;
1818
1819         info->desc = (struct pinctrl_desc *)device_get_match_data(dev);
1820
1821         base = devm_ioremap_resource(dev,
1822                         platform_get_resource(pdev, IORESOURCE_MEM, 0));
1823         if (IS_ERR(base))
1824                 return PTR_ERR(base);
1825
1826         info->stride = 1 + (info->desc->npins - 1) / 32;
1827
1828         regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4;
1829
1830         info->map = devm_regmap_init_mmio(dev, base, &regmap_config);
1831         if (IS_ERR(info->map)) {
1832                 dev_err(dev, "Failed to create regmap\n");
1833                 return PTR_ERR(info->map);
1834         }
1835         dev_set_drvdata(dev, info->map);
1836         info->dev = dev;
1837
1838         /* Pinconf registers */
1839         if (info->desc->confops) {
1840                 pincfg = ocelot_pinctrl_create_pincfg(pdev);
1841                 if (IS_ERR(pincfg))
1842                         dev_dbg(dev, "Failed to create pincfg regmap\n");
1843                 else
1844                         info->pincfg = pincfg;
1845         }
1846
1847         ret = ocelot_pinctrl_register(pdev, info);
1848         if (ret)
1849                 return ret;
1850
1851         ret = ocelot_gpiochip_register(pdev, info);
1852         if (ret)
1853                 return ret;
1854
1855         dev_info(dev, "driver registered\n");
1856
1857         return 0;
1858 }
1859
1860 static struct platform_driver ocelot_pinctrl_driver = {
1861         .driver = {
1862                 .name = "pinctrl-ocelot",
1863                 .of_match_table = of_match_ptr(ocelot_pinctrl_of_match),
1864                 .suppress_bind_attrs = true,
1865         },
1866         .probe = ocelot_pinctrl_probe,
1867 };
1868 builtin_platform_driver(ocelot_pinctrl_driver);