linux/drivers/pinctrl/pinctrl-gemini.c
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   1/*
   2 * Driver for the Gemini pin controller
   3 *
   4 * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org>
   5 *
   6 * This is a group-only pin controller.
   7 */
   8#include <linux/err.h>
   9#include <linux/init.h>
  10#include <linux/io.h>
  11#include <linux/mfd/syscon.h>
  12#include <linux/of.h>
  13#include <linux/pinctrl/machine.h>
  14#include <linux/pinctrl/pinctrl.h>
  15#include <linux/pinctrl/pinmux.h>
  16#include <linux/pinctrl/pinconf.h>
  17#include <linux/pinctrl/pinconf-generic.h>
  18#include <linux/platform_device.h>
  19#include <linux/slab.h>
  20#include <linux/regmap.h>
  21
  22#include "pinctrl-utils.h"
  23
  24#define DRIVER_NAME "pinctrl-gemini"
  25
  26/**
  27 * struct gemini_pin_conf - information about configuring a pin
  28 * @pin: the pin number
  29 * @reg: config register
  30 * @mask: the bits affecting the configuration of the pin
  31 */
  32struct gemini_pin_conf {
  33        unsigned int pin;
  34        u32 reg;
  35        u32 mask;
  36};
  37
  38/**
  39 * struct gemini_pmx - state holder for the gemini pin controller
  40 * @dev: a pointer back to containing device
  41 * @virtbase: the offset to the controller in virtual memory
  42 * @map: regmap to access registers
  43 * @is_3512: whether the SoC/package is the 3512 variant
  44 * @is_3516: whether the SoC/package is the 3516 variant
  45 * @flash_pin: whether the flash pin (extended pins for parallel
  46 * flash) is set
  47 * @confs: pin config information
  48 * @nconfs: number of pin config information items
  49 */
  50struct gemini_pmx {
  51        struct device *dev;
  52        struct pinctrl_dev *pctl;
  53        struct regmap *map;
  54        bool is_3512;
  55        bool is_3516;
  56        bool flash_pin;
  57        const struct gemini_pin_conf *confs;
  58        unsigned int nconfs;
  59};
  60
  61/**
  62 * struct gemini_pin_group - describes a Gemini pin group
  63 * @name: the name of this specific pin group
  64 * @pins: an array of discrete physical pins used in this group, taken
  65 *      from the driver-local pin enumeration space
  66 * @num_pins: the number of pins in this group array, i.e. the number of
  67 *      elements in .pins so we can iterate over that array
  68 * @mask: bits to clear to enable this when doing pin muxing
  69 * @value: bits to set to enable this when doing pin muxing
  70 * @driving_mask: bitmask for the IO Pad driving register for this
  71 *      group, if it supports altering the driving strength of
  72 *      its lines.
  73 */
  74struct gemini_pin_group {
  75        const char *name;
  76        const unsigned int *pins;
  77        const unsigned int num_pins;
  78        u32 mask;
  79        u32 value;
  80        u32 driving_mask;
  81};
  82
  83/* Some straight-forward control registers */
  84#define GLOBAL_WORD_ID          0x00
  85#define GLOBAL_STATUS           0x04
  86#define GLOBAL_STATUS_FLPIN     BIT(20)
  87#define GLOBAL_IODRIVE          0x10
  88#define GLOBAL_GMAC_CTRL_SKEW   0x1c
  89#define GLOBAL_GMAC0_DATA_SKEW  0x20
  90#define GLOBAL_GMAC1_DATA_SKEW  0x24
  91/*
  92 * Global Miscellaneous Control Register
  93 * This register controls all Gemini pad/pin multiplexing
  94 *
  95 * It is a tricky register though:
  96 * - For the bits named *_ENABLE, once you DISABLE something, it simply cannot
  97 *   be brought back online, so it means permanent disablement of the
  98 *   corresponding pads.
  99 * - For the bits named *_DISABLE, once you enable something, it cannot be
 100 *   DISABLED again. So you select a flash configuration once, and then
 101 *   you are stuck with it.
 102 */
 103#define GLOBAL_MISC_CTRL        0x30
 104#define GEMINI_GMAC_IOSEL_MASK  GENMASK(28, 27)
 105/* Not really used */
 106#define GEMINI_GMAC_IOSEL_GMAC0_GMII    BIT(28)
 107/* Activated with GMAC1 */
 108#define GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII BIT(27)
 109/* This will be the default */
 110#define GEMINI_GMAC_IOSEL_GMAC0_RGMII_GMAC1_GPIO2 0
 111#define TVC_CLK_PAD_ENABLE      BIT(20)
 112#define PCI_CLK_PAD_ENABLE      BIT(17)
 113#define LPC_CLK_PAD_ENABLE      BIT(16)
 114#define TVC_PADS_ENABLE         BIT(9)
 115#define SSP_PADS_ENABLE         BIT(8)
 116#define LCD_PADS_ENABLE         BIT(7)
 117#define LPC_PADS_ENABLE         BIT(6)
 118#define PCI_PADS_ENABLE         BIT(5)
 119#define IDE_PADS_ENABLE         BIT(4)
 120#define DRAM_PADS_POWERDOWN     BIT(3)
 121#define NAND_PADS_DISABLE       BIT(2)
 122#define PFLASH_PADS_DISABLE     BIT(1)
 123#define SFLASH_PADS_DISABLE     BIT(0)
 124#define PADS_MASK               (GENMASK(9, 0) | BIT(16) | BIT(17) | BIT(20) | BIT(27))
 125#define PADS_MAXBIT             27
 126
 127/* Ordered by bit index */
 128static const char * const gemini_padgroups[] = {
 129        "serial flash",
 130        "parallel flash",
 131        "NAND flash",
 132        "DRAM",
 133        "IDE",
 134        "PCI",
 135        "LPC",
 136        "LCD",
 137        "SSP",
 138        "TVC",
 139        NULL, NULL, NULL, NULL, NULL, NULL,
 140        "LPC CLK",
 141        "PCI CLK",
 142        NULL, NULL,
 143        "TVC CLK",
 144        NULL, NULL, NULL, NULL, NULL,
 145        "GMAC1",
 146};
 147
 148static const struct pinctrl_pin_desc gemini_3512_pins[] = {
 149        /* Row A */
 150        PINCTRL_PIN(0, "A1 VREF CTRL"),
 151        PINCTRL_PIN(1, "A2 VCC2IO CTRL"),
 152        PINCTRL_PIN(2, "A3 DRAM CK"),
 153        PINCTRL_PIN(3, "A4 DRAM CK N"),
 154        PINCTRL_PIN(4, "A5 DRAM A5"),
 155        PINCTRL_PIN(5, "A6 DRAM CKE"),
 156        PINCTRL_PIN(6, "A7 DRAM DQ11"),
 157        PINCTRL_PIN(7, "A8 DRAM DQ0"),
 158        PINCTRL_PIN(8, "A9 DRAM DQ5"),
 159        PINCTRL_PIN(9, "A10 DRAM DQ6"),
 160        PINCTRL_PIN(10, "A11 DRAM DRAM VREF"),
 161        PINCTRL_PIN(11, "A12 DRAM BA1"),
 162        PINCTRL_PIN(12, "A13 DRAM A2"),
 163        PINCTRL_PIN(13, "A14 PCI GNT1 N"),
 164        PINCTRL_PIN(14, "A15 PCI REQ9 N"),
 165        PINCTRL_PIN(15, "A16 PCI REQ2 N"),
 166        PINCTRL_PIN(16, "A17 PCI REQ3 N"),
 167        PINCTRL_PIN(17, "A18 PCI AD31"),
 168        /* Row B */
 169        PINCTRL_PIN(18, "B1 VCCK CTRL"),
 170        PINCTRL_PIN(19, "B2 PWR EN"),
 171        PINCTRL_PIN(20, "B3 RTC CLKI"),
 172        PINCTRL_PIN(21, "B4 DRAM A4"),
 173        PINCTRL_PIN(22, "B5 DRAM A6"),
 174        PINCTRL_PIN(23, "B6 DRAM A12"),
 175        PINCTRL_PIN(24, "B7 DRAM DQS1"),
 176        PINCTRL_PIN(25, "B8 DRAM DQ15"),
 177        PINCTRL_PIN(26, "B9 DRAM DQ4"),
 178        PINCTRL_PIN(27, "B10 DRAM DQS0"),
 179        PINCTRL_PIN(28, "B11 DRAM WE N"),
 180        PINCTRL_PIN(29, "B12 DRAM A10"),
 181        PINCTRL_PIN(30, "B13 DRAM A3"),
 182        PINCTRL_PIN(31, "B14 PCI GNT0 N"),
 183        PINCTRL_PIN(32, "B15 PCI GNT3 N"),
 184        PINCTRL_PIN(33, "B16 PCI REQ1 N"),
 185        PINCTRL_PIN(34, "B17 PCI AD30"),
 186        PINCTRL_PIN(35, "B18 PCI AD29"),
 187        /* Row C */
 188        PINCTRL_PIN(36, "C1 CIR RST N"), /* REALLY? CIR is not in 3512... */
 189        PINCTRL_PIN(37, "C2 XTALI"),
 190        PINCTRL_PIN(38, "C3 PWR BTN"),
 191        PINCTRL_PIN(39, "C4 RTC CLKO"),
 192        PINCTRL_PIN(40, "C5 DRAM A7"),
 193        PINCTRL_PIN(41, "C6 DRAM A11"),
 194        PINCTRL_PIN(42, "C7 DRAM DQ10"),
 195        PINCTRL_PIN(43, "C8 DRAM DQ14"),
 196        PINCTRL_PIN(44, "C9 DRAM DQ3"),
 197        PINCTRL_PIN(45, "C10 DRAM DQ7"),
 198        PINCTRL_PIN(46, "C11 DRAM CAS N"),
 199        PINCTRL_PIN(47, "C12 DRAM A0"),
 200        PINCTRL_PIN(48, "C13 PCI INT0 N"),
 201        PINCTRL_PIN(49, "C14 EXT RESET N"),
 202        PINCTRL_PIN(50, "C15 PCI GNT2 N"),
 203        PINCTRL_PIN(51, "C16 PCI AD28"),
 204        PINCTRL_PIN(52, "C17 PCI AD27"),
 205        PINCTRL_PIN(53, "C18 PCI AD26"),
 206        /* Row D */
 207        PINCTRL_PIN(54, "D1 AVCCKHA"),
 208        PINCTRL_PIN(55, "D2 AGNDIOHA"),
 209        PINCTRL_PIN(56, "D3 XTALO"),
 210        PINCTRL_PIN(57, "D4 AVCC3IOHA"),
 211        PINCTRL_PIN(58, "D5 DRAM A8"),
 212        PINCTRL_PIN(59, "D6 DRAM A9"),
 213        PINCTRL_PIN(60, "D7 DRAM DQ9"),
 214        PINCTRL_PIN(61, "D8 DRAM DQ13"),
 215        PINCTRL_PIN(62, "D9 DRAM DQ2"),
 216        PINCTRL_PIN(63, "D10 DRAM A13"),
 217        PINCTRL_PIN(64, "D11 DRAM RAS N"),
 218        PINCTRL_PIN(65, "D12 DRAM A1"),
 219        PINCTRL_PIN(66, "D13 PCI INTC N"),
 220        PINCTRL_PIN(67, "D14 PCI CLK"),
 221        PINCTRL_PIN(68, "D15 PCI AD25"),
 222        PINCTRL_PIN(69, "D16 PCI AD24"),
 223        PINCTRL_PIN(70, "D17 PCI CBE3 N"),
 224        PINCTRL_PIN(71, "D18 PCI AD23"),
 225        /* Row E */
 226        PINCTRL_PIN(72, "E1 AVCC3IOHA"),
 227        PINCTRL_PIN(73, "E2 EBG"),
 228        PINCTRL_PIN(74, "E3 AVCC3IOHB"),
 229        PINCTRL_PIN(75, "E4 REXT"),
 230        PINCTRL_PIN(76, "E5 GND"),
 231        PINCTRL_PIN(77, "E6 DRAM DQM1"),
 232        PINCTRL_PIN(78, "E7 DRAM DQ8"),
 233        PINCTRL_PIN(79, "E8 DRAM DQ12"),
 234        PINCTRL_PIN(80, "E9 DRAM DQ1"),
 235        PINCTRL_PIN(81, "E10 DRAM DQM0"),
 236        PINCTRL_PIN(82, "E11 DRAM BA0"),
 237        PINCTRL_PIN(83, "E12 PCI INTA N"),
 238        PINCTRL_PIN(84, "E13 PCI INTB N"),
 239        PINCTRL_PIN(85, "E14 GND"),
 240        PINCTRL_PIN(86, "E15 PCI AD22"),
 241        PINCTRL_PIN(87, "E16 PCI AD21"),
 242        PINCTRL_PIN(88, "E17 PCI AD20"),
 243        PINCTRL_PIN(89, "E18 PCI AD19"),
 244        /* Row F */
 245        PINCTRL_PIN(90, "F1 SATA0 RXDP"),
 246        PINCTRL_PIN(91, "F2 SATA0 RXDN"),
 247        PINCTRL_PIN(92, "F3 AGNDK 0"),
 248        PINCTRL_PIN(93, "F4 AVCC3 S"),
 249        PINCTRL_PIN(94, "F5 AVCCK P"),
 250        PINCTRL_PIN(95, "F6 GND"),
 251        PINCTRL_PIN(96, "F7 VCC2IOHA 2"),
 252        PINCTRL_PIN(97, "F8 VCC2IOHA 2"),
 253        PINCTRL_PIN(98, "F9 V1"),
 254        PINCTRL_PIN(99, "F10 V1"),
 255        PINCTRL_PIN(100, "F11 VCC2IOHA 2"),
 256        PINCTRL_PIN(101, "F12 VCC2IOHA 2"),
 257        PINCTRL_PIN(102, "F13 GND"),
 258        PINCTRL_PIN(103, "F14 PCI AD18"),
 259        PINCTRL_PIN(104, "F15 PCI AD17"),
 260        PINCTRL_PIN(105, "F16 PCI AD16"),
 261        PINCTRL_PIN(106, "F17 PCI CBE2 N"),
 262        PINCTRL_PIN(107, "F18 PCI FRAME N"),
 263        /* Row G */
 264        PINCTRL_PIN(108, "G1 SATA0 TXDP"),
 265        PINCTRL_PIN(109, "G2 SATA0 TXDN"),
 266        PINCTRL_PIN(110, "G3 AGNDK 1"),
 267        PINCTRL_PIN(111, "G4 AVCCK 0"),
 268        PINCTRL_PIN(112, "G5 TEST CLKOUT"),
 269        PINCTRL_PIN(113, "G6 AGND"),
 270        PINCTRL_PIN(114, "G7 GND"),
 271        PINCTRL_PIN(115, "G8 VCC2IOHA 2"),
 272        PINCTRL_PIN(116, "G9 V1"),
 273        PINCTRL_PIN(117, "G10 V1"),
 274        PINCTRL_PIN(118, "G11 VCC2IOHA 2"),
 275        PINCTRL_PIN(119, "G12 GND"),
 276        PINCTRL_PIN(120, "G13 VCC3IOHA"),
 277        PINCTRL_PIN(121, "G14 PCI IRDY N"),
 278        PINCTRL_PIN(122, "G15 PCI TRDY N"),
 279        PINCTRL_PIN(123, "G16 PCI DEVSEL N"),
 280        PINCTRL_PIN(124, "G17 PCI STOP N"),
 281        PINCTRL_PIN(125, "G18 PCI PAR"),
 282        /* Row H */
 283        PINCTRL_PIN(126, "H1 SATA1 TXDP"),
 284        PINCTRL_PIN(127, "H2 SATA1 TXDN"),
 285        PINCTRL_PIN(128, "H3 AGNDK 2"),
 286        PINCTRL_PIN(129, "H4 AVCCK 1"),
 287        PINCTRL_PIN(130, "H5 AVCCK S"),
 288        PINCTRL_PIN(131, "H6 AVCCKHB"),
 289        PINCTRL_PIN(132, "H7 AGND"),
 290        PINCTRL_PIN(133, "H8 GND"),
 291        PINCTRL_PIN(134, "H9 GND"),
 292        PINCTRL_PIN(135, "H10 GND"),
 293        PINCTRL_PIN(136, "H11 GND"),
 294        PINCTRL_PIN(137, "H12 VCC3IOHA"),
 295        PINCTRL_PIN(138, "H13 VCC3IOHA"),
 296        PINCTRL_PIN(139, "H14 PCI CBE1 N"),
 297        PINCTRL_PIN(140, "H15 PCI AD15"),
 298        PINCTRL_PIN(141, "H16 PCI AD14"),
 299        PINCTRL_PIN(142, "H17 PCI AD13"),
 300        PINCTRL_PIN(143, "H18 PCI AD12"),
 301        /* Row J (for some reason I is skipped) */
 302        PINCTRL_PIN(144, "J1 SATA1 RXDP"),
 303        PINCTRL_PIN(145, "J2 SATA1 RXDN"),
 304        PINCTRL_PIN(146, "J3 AGNDK 3"),
 305        PINCTRL_PIN(147, "J4 AVCCK 2"),
 306        PINCTRL_PIN(148, "J5 IDE DA1"),
 307        PINCTRL_PIN(149, "J6 V1"),
 308        PINCTRL_PIN(150, "J7 V1"),
 309        PINCTRL_PIN(151, "J8 GND"),
 310        PINCTRL_PIN(152, "J9 GND"),
 311        PINCTRL_PIN(153, "J10 GND"),
 312        PINCTRL_PIN(154, "J11 GND"),
 313        PINCTRL_PIN(155, "J12 V1"),
 314        PINCTRL_PIN(156, "J13 V1"),
 315        PINCTRL_PIN(157, "J14 PCI AD11"),
 316        PINCTRL_PIN(158, "J15 PCI AD10"),
 317        PINCTRL_PIN(159, "J16 PCI AD9"),
 318        PINCTRL_PIN(160, "J17 PCI AD8"),
 319        PINCTRL_PIN(161, "J18 PCI CBE0 N"),
 320        /* Row K */
 321        PINCTRL_PIN(162, "K1 IDE CS1 N"),
 322        PINCTRL_PIN(163, "K2 IDE CS0 N"),
 323        PINCTRL_PIN(164, "K3 AVCCK 3"),
 324        PINCTRL_PIN(165, "K4 IDE DA2"),
 325        PINCTRL_PIN(166, "K5 IDE DA0"),
 326        PINCTRL_PIN(167, "K6 V1"),
 327        PINCTRL_PIN(168, "K7 V1"),
 328        PINCTRL_PIN(169, "K8 GND"),
 329        PINCTRL_PIN(170, "K9 GND"),
 330        PINCTRL_PIN(171, "K10 GND"),
 331        PINCTRL_PIN(172, "K11 GND"),
 332        PINCTRL_PIN(173, "K12 V1"),
 333        PINCTRL_PIN(174, "K13 V1"),
 334        PINCTRL_PIN(175, "K14 PCI AD3"),
 335        PINCTRL_PIN(176, "K15 PCI AD4"),
 336        PINCTRL_PIN(177, "K16 PCI AD5"),
 337        PINCTRL_PIN(178, "K17 PCI AD6"),
 338        PINCTRL_PIN(179, "K18 PCI AD7"),
 339        /* Row L */
 340        PINCTRL_PIN(180, "L1 IDE INTRQ"),
 341        PINCTRL_PIN(181, "L2 IDE DMACK N"),
 342        PINCTRL_PIN(182, "L3 IDE IORDY"),
 343        PINCTRL_PIN(183, "L4 IDE DIOR N"),
 344        PINCTRL_PIN(184, "L5 IDE DIOW N"),
 345        PINCTRL_PIN(185, "L6 VCC3IOHA"),
 346        PINCTRL_PIN(186, "L7 VCC3IOHA"),
 347        PINCTRL_PIN(187, "L8 GND"),
 348        PINCTRL_PIN(188, "L9 GND"),
 349        PINCTRL_PIN(189, "L10 GND"),
 350        PINCTRL_PIN(190, "L11 GND"),
 351        PINCTRL_PIN(191, "L12 VCC3IOHA"),
 352        PINCTRL_PIN(192, "L13 VCC3IOHA"),
 353        PINCTRL_PIN(193, "L14 GPIO0 30"),
 354        PINCTRL_PIN(194, "L15 GPIO0 31"),
 355        PINCTRL_PIN(195, "L16 PCI AD0"),
 356        PINCTRL_PIN(196, "L17 PCI AD1"),
 357        PINCTRL_PIN(197, "L18 PCI AD2"),
 358        /* Row M */
 359        PINCTRL_PIN(198, "M1 IDE DMARQ"),
 360        PINCTRL_PIN(199, "M2 IDE DD15"),
 361        PINCTRL_PIN(200, "M3 IDE DD0"),
 362        PINCTRL_PIN(201, "M4 IDE DD14"),
 363        PINCTRL_PIN(202, "M5 IDE DD1"),
 364        PINCTRL_PIN(203, "M6 VCC3IOHA"),
 365        PINCTRL_PIN(204, "M7 GND"),
 366        PINCTRL_PIN(205, "M8 VCC2IOHA 1"),
 367        PINCTRL_PIN(206, "M9 V1"),
 368        PINCTRL_PIN(207, "M10 V1"),
 369        PINCTRL_PIN(208, "M11 VCC3IOHA"),
 370        PINCTRL_PIN(209, "M12 GND"),
 371        PINCTRL_PIN(210, "M13 VCC3IOHA"),
 372        PINCTRL_PIN(211, "M14 GPIO0 25"),
 373        PINCTRL_PIN(212, "M15 GPIO0 26"),
 374        PINCTRL_PIN(213, "M16 GPIO0 27"),
 375        PINCTRL_PIN(214, "M17 GPIO0 28"),
 376        PINCTRL_PIN(215, "M18 GPIO0 29"),
 377        /* Row N */
 378        PINCTRL_PIN(216, "N1 IDE DD13"),
 379        PINCTRL_PIN(217, "N2 IDE DD2"),
 380        PINCTRL_PIN(218, "N3 IDE DD12"),
 381        PINCTRL_PIN(219, "N4 IDE DD3"),
 382        PINCTRL_PIN(220, "N5 IDE DD11"),
 383        PINCTRL_PIN(221, "N6 GND"),
 384        PINCTRL_PIN(222, "N7 VCC2IOHA 1"),
 385        PINCTRL_PIN(223, "N8 VCC2IOHA 1"),
 386        PINCTRL_PIN(224, "N9 V1"),
 387        PINCTRL_PIN(225, "N10 V1"),
 388        PINCTRL_PIN(226, "N11 VCC3IOHA"),
 389        PINCTRL_PIN(227, "N12 VCC3IOHA"),
 390        PINCTRL_PIN(228, "N13 GND"),
 391        PINCTRL_PIN(229, "N14 GPIO0 20"),
 392        PINCTRL_PIN(230, "N15 GPIO0 21"),
 393        PINCTRL_PIN(231, "N16 GPIO0 22"),
 394        PINCTRL_PIN(232, "N17 GPIO0 23"),
 395        PINCTRL_PIN(233, "N18 GPIO0 24"),
 396        /* Row P (for some reason O is skipped) */
 397        PINCTRL_PIN(234, "P1 IDE DD4"),
 398        PINCTRL_PIN(235, "P2 IDE DD10"),
 399        PINCTRL_PIN(236, "P3 IDE DD5"),
 400        PINCTRL_PIN(237, "P4 IDE DD9"),
 401        PINCTRL_PIN(238, "P5 GND"),
 402        PINCTRL_PIN(239, "P6 USB XSCO"),
 403        PINCTRL_PIN(240, "P7 GMAC0 TXD3"),
 404        PINCTRL_PIN(241, "P8 GMAC0 TXEN"),
 405        PINCTRL_PIN(242, "P9 GMAC0 RXD2"),
 406        PINCTRL_PIN(243, "P10 GMAC1 TXC"),
 407        PINCTRL_PIN(244, "P11 GMAC1 RXD1"),
 408        PINCTRL_PIN(245, "P12 MODE SEL 1"),
 409        PINCTRL_PIN(246, "P13 GPIO1 28"),
 410        PINCTRL_PIN(247, "P14 GND"),
 411        PINCTRL_PIN(248, "P15 GPIO0 5"),
 412        PINCTRL_PIN(249, "P16 GPIO0 17"),
 413        PINCTRL_PIN(250, "P17 GPIO0 18"),
 414        PINCTRL_PIN(251, "P18 GPIO0 19"),
 415        /* Row R (for some reason Q us skipped) */
 416        PINCTRL_PIN(252, "R1 IDE DD6"),
 417        PINCTRL_PIN(253, "R2 IDE DD8"),
 418        PINCTRL_PIN(254, "R3 IDE DD7"),
 419        PINCTRL_PIN(255, "R4 IDE RESET N"),
 420        PINCTRL_PIN(256, "R5 ICE0 DBGACK"),
 421        PINCTRL_PIN(257, "R6 USB XSCI"),
 422        PINCTRL_PIN(258, "R7 GMAC0 TXD2"),
 423        PINCTRL_PIN(259, "R8 GMAC0 RXDV"),
 424        PINCTRL_PIN(260, "R9 GMAC0 RXD3"),
 425        PINCTRL_PIN(261, "R10 GMAC1 TXD0"),
 426        PINCTRL_PIN(262, "R11 GMAC1 RXD0"),
 427        PINCTRL_PIN(263, "R12 MODE SEL 0"),
 428        PINCTRL_PIN(264, "R13 MODE SEL 3"),
 429        PINCTRL_PIN(265, "R14 GPIO0 0"),
 430        PINCTRL_PIN(266, "R15 GPIO0 4"),
 431        PINCTRL_PIN(267, "R16 GPIO0 9"),
 432        PINCTRL_PIN(268, "R17 GPIO0 15"),
 433        PINCTRL_PIN(269, "R18 GPIO0 16"),
 434        /* Row T (for some reason S is skipped) */
 435        PINCTRL_PIN(270, "T1 ICE0 DBGRQ"),
 436        PINCTRL_PIN(271, "T2 ICE0 IDO"),
 437        PINCTRL_PIN(272, "T3 ICE0 ICK"),
 438        PINCTRL_PIN(273, "T4 ICE0 IMS"),
 439        PINCTRL_PIN(274, "T5 ICE0 IDI"),
 440        PINCTRL_PIN(275, "T6 USB RREF"),
 441        PINCTRL_PIN(276, "T7 GMAC0 TXD1"),
 442        PINCTRL_PIN(277, "T8 GMAC0 RXC"),
 443        PINCTRL_PIN(278, "T9 GMAC0 CRS"),
 444        PINCTRL_PIN(279, "T10 GMAC1 TXD1"),
 445        PINCTRL_PIN(280, "T11 GMAC1 RXC"),
 446        PINCTRL_PIN(281, "T12 GMAC1 CRS"),
 447        PINCTRL_PIN(282, "T13 EXT CLK"),
 448        PINCTRL_PIN(283, "T14 GPIO1 31"),
 449        PINCTRL_PIN(284, "T15 GPIO0 3"),
 450        PINCTRL_PIN(285, "T16 GPIO0 8"),
 451        PINCTRL_PIN(286, "T17 GPIO0 12"),
 452        PINCTRL_PIN(287, "T18 GPIO0 14"),
 453        /* Row U */
 454        PINCTRL_PIN(288, "U1 ICE0 IRST N"),
 455        PINCTRL_PIN(289, "U2 USB0 VCCHSRT"),
 456        PINCTRL_PIN(290, "U3 USB0 DP"),
 457        PINCTRL_PIN(291, "U4 USB VCCA U20"),
 458        PINCTRL_PIN(292, "U5 USB1 DP"),
 459        PINCTRL_PIN(293, "U6 USB1 GNDHSRT 1"),
 460        PINCTRL_PIN(294, "U7 GMAC0 TXD0"),
 461        PINCTRL_PIN(295, "U8 GMAC0 RXD0"),
 462        PINCTRL_PIN(296, "U9 GMAC1 COL"),
 463        PINCTRL_PIN(297, "U10 GMAC1 TXD2"),
 464        PINCTRL_PIN(298, "U11 GMAC1 RXDV"),
 465        PINCTRL_PIN(299, "U12 GMAC1 RXD3"),
 466        PINCTRL_PIN(300, "U13 MODE SEL 2"),
 467        PINCTRL_PIN(301, "U14 GPIO1 30"),
 468        PINCTRL_PIN(302, "U15 GPIO0 2"),
 469        PINCTRL_PIN(303, "U16 GPIO0 7"),
 470        PINCTRL_PIN(304, "U17 GPIO0 11"),
 471        PINCTRL_PIN(305, "U18 GPIO0 13"),
 472        /* Row V */
 473        PINCTRL_PIN(306, "V1 USB0 GNDHSRT"),
 474        PINCTRL_PIN(307, "V2 USB0 DM"),
 475        PINCTRL_PIN(308, "V3 USB GNDA U20"),
 476        PINCTRL_PIN(309, "V4 USB1 DM"),
 477        PINCTRL_PIN(310, "V5 USB1 VCCHSRT1"),
 478        PINCTRL_PIN(311, "V6 GMAC0 COL"),
 479        PINCTRL_PIN(312, "V7 GMAC0 TXC"),
 480        PINCTRL_PIN(313, "V8 GMAC0 RXD1"),
 481        PINCTRL_PIN(314, "V9 REF CLK"),
 482        PINCTRL_PIN(315, "V10 GMAC1 TXD3"),
 483        PINCTRL_PIN(316, "V11 GMAC1 TXEN"),
 484        PINCTRL_PIN(317, "V12 GMAC1 RXD2"),
 485        PINCTRL_PIN(318, "V13 M30 CLK"),
 486        PINCTRL_PIN(319, "V14 GPIO1 29"),
 487        PINCTRL_PIN(320, "V15 GPIO0 1"),
 488        PINCTRL_PIN(321, "V16 GPIO0 6"),
 489        PINCTRL_PIN(322, "V17 GPIO0 10"),
 490        PINCTRL_PIN(323, "V18 SYS RESET N"),
 491};
 492
 493
 494/* Digital ground */
 495static const unsigned int gnd_3512_pins[] = {
 496        76, 85, 95, 102, 114, 119, 133, 134, 135, 136, 151, 152, 153, 154, 169,
 497        170, 171, 172, 187, 188, 189, 190, 204, 209, 221, 228, 238, 247
 498};
 499
 500static const unsigned int dram_3512_pins[] = {
 501        2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 21, 22, 23, 24, 25, 26, 27, 28, 29,
 502        30, 40, 41, 42, 43, 44, 45, 46, 47, 58, 59, 60, 61, 62, 63, 64, 65, 77,
 503        78, 79, 80, 81, 82
 504};
 505
 506static const unsigned int rtc_3512_pins[] = { 57, 20, 39 };
 507
 508static const unsigned int power_3512_pins[] = { 19, 38, 36, 55, 37, 56, 54, 72 };
 509
 510static const unsigned int system_3512_pins[] = {
 511        318, 264, 300, 245, 263, 282, 314, 323, 49,
 512};
 513
 514static const unsigned int vcontrol_3512_pins[] = { 18, 0, 1 };
 515
 516static const unsigned int ice_3512_pins[] = { 256, 270, 271, 272, 273, 274, 288 };
 517
 518static const unsigned int ide_3512_pins[] = {
 519        162, 163, 165, 166, 148, 180, 181, 182, 183, 184, 198, 199, 200, 201, 202,
 520        216, 217, 218, 219, 220, 234, 235, 236, 237, 252, 253, 254, 255
 521};
 522
 523static const unsigned int sata_3512_pins[] = {
 524        75, 74, 73, 93, 94, 131, 112, 130, 92, 91, 90, 111, 110, 109, 108, 129,
 525        128, 127, 126, 147, 146, 145, 144, 164
 526};
 527
 528static const unsigned int usb_3512_pins[] = {
 529        306, 289, 307, 290, 239, 257, 275, 308, 291, 309, 292, 310, 293
 530};
 531
 532/* GMII, ethernet pins */
 533static const unsigned int gmii_gmac0_3512_pins[] = {
 534        240, 241, 242, 258, 259, 260, 276, 277, 278, 294, 295, 311, 312, 313
 535};
 536
 537static const unsigned int gmii_gmac1_3512_pins[] = {
 538        243, 244, 261, 262, 279, 280, 281, 296, 297, 298, 299, 315, 316, 317
 539};
 540
 541static const unsigned int pci_3512_pins[] = {
 542        13, 14, 15, 16, 17, 31, 32, 33, 34, 35, 48, 50, 51, 52, 53, 66, 67, 68, 69,
 543        70, 71, 83, 84, 86, 87, 88, 89, 103, 104, 105, 106, 107, 121, 122, 123,
 544        124, 125, 139, 140, 141, 142, 143, 157, 158, 159, 160, 161, 175, 176, 177,
 545        178, 179, 195, 196, 197
 546};
 547
 548/*
 549 * Apparently the LPC interface is using the PCICLK for the clocking so
 550 * PCI needs to be active at the same time.
 551 */
 552static const unsigned int lpc_3512_pins[] = {
 553        285, /* LPC_LAD[0] */
 554        304, /* LPC_SERIRQ */
 555        286, /* LPC_LAD[2] */
 556        305, /* LPC_LFRAME# */
 557        287, /* LPC_LAD[3] */
 558        268, /* LPC_LAD[1] */
 559};
 560
 561/* Character LCD */
 562static const unsigned int lcd_3512_pins[] = {
 563        262, 244, 317, 299, 246, 319, 301, 283, 269, 233, 211
 564};
 565
 566static const unsigned int ssp_3512_pins[] = {
 567        285, /* SSP_97RST# SSP AC97 Reset, active low */
 568        304, /* SSP_FSC */
 569        286, /* SSP_ECLK */
 570        305, /* SSP_TXD */
 571        287, /* SSP_RXD */
 572        268, /* SSP_SCLK */
 573};
 574
 575static const unsigned int uart_rxtx_3512_pins[] = {
 576        267, /* UART_SIN serial input, RX */
 577        322, /* UART_SOUT serial output, TX */
 578};
 579
 580static const unsigned int uart_modem_3512_pins[] = {
 581        285, /* UART_NDCD DCD carrier detect */
 582        304, /* UART_NDTR DTR data terminal ready */
 583        286, /* UART_NDSR DSR data set ready */
 584        305, /* UART_NRTS RTS request to send */
 585        287, /* UART_NCTS CTS clear to send */
 586        268, /* UART_NRI RI ring indicator */
 587};
 588
 589static const unsigned int tvc_3512_pins[] = {
 590        246, /* TVC_DATA[0] */
 591        319, /* TVC_DATA[1] */
 592        301, /* TVC_DATA[2] */
 593        283, /* TVC_DATA[3] */
 594        265, /* TVC_CLK */
 595        320, /* TVC_DATA[4] */
 596        302, /* TVC_DATA[5] */
 597        284, /* TVC_DATA[6] */
 598        266, /* TVC_DATA[7] */
 599};
 600
 601/* NAND flash pins */
 602static const unsigned int nflash_3512_pins[] = {
 603        199, 200, 201, 202, 216, 217, 218, 219, 220, 234, 235, 236, 237, 252,
 604        253, 254, 249, 250, 232, 233, 211, 193, 194
 605};
 606
 607/* Parallel (NOR) flash pins, D[0-15], A[16-25], CE0, CE1, RB, WE, OE, ALE */
 608static const unsigned int pflash_3512_pins[] = {
 609        162, 163, 165, 166, 148, 199, 200, 201, 202, 216, 217, 218, 219, 220,
 610        234, 235, 236, 237, 252, 253, 254, 251, 229, 232, 233, 211, 212, 213,
 611        214, 215, 193, 194
 612};
 613
 614/*
 615 * The parallel flash can be set up in a 26-bit address bus mode exposing
 616 * A[0-15] (A[15] takes the place of ALE), but it has the
 617 * side effect of stealing pins from GMAC1 and TVC so these blocks cannot be
 618 * used at the same time.
 619 */
 620static const unsigned int pflash_3512_pins_extended[] = {
 621        162, 163, 165, 166, 148, 199, 200, 201, 202, 216, 217, 218, 219, 220,
 622        234, 235, 236, 237, 252, 253, 254, 251, 229, 232, 233, 211, 212, 213,
 623        214, 215, 193, 194,
 624        /* The extra pins */
 625        296, 315, 297, 279, 261, 243, 316, 298, 280, 262, 244, 317, 299, 281,
 626        265,
 627};
 628
 629/* Serial flash pins CE0, CE1, DI, DO, CK */
 630static const unsigned int sflash_3512_pins[] = { 230, 231, 232, 233, 211 };
 631
 632/* The GPIO0A (0) pin overlap with TVC and extended parallel flash */
 633static const unsigned int gpio0a_3512_pins[] = { 265 };
 634
 635/* The GPIO0B (1-4) pins overlap with TVC and ICE */
 636static const unsigned int gpio0b_3512_pins[] = { 320, 302, 284, 266 };
 637
 638/* The GPIO0C (5-7) pins overlap with ICE */
 639static const unsigned int gpio0c_3512_pins[] = { 248, 321, 303 };
 640
 641/* The GPIO0D (9,10) pins overlap with UART RX/TX */
 642static const unsigned int gpio0d_3512_pins[] = { 267, 322 };
 643
 644/* The GPIO0E (8,11-15) pins overlap with LPC, UART modem pins, SSP */
 645static const unsigned int gpio0e_3512_pins[] = { 285, 304, 286, 305, 287, 268 };
 646
 647/* The GPIO0F (16) pins overlap with LCD */
 648static const unsigned int gpio0f_3512_pins[] = { 269 };
 649
 650/* The GPIO0G (17,18) pins overlap with NAND flash CE0, CE1 */
 651static const unsigned int gpio0g_3512_pins[] = { 249, 250 };
 652
 653/* The GPIO0H (19,20) pins overlap with parallel flash CE0, CE1 */
 654static const unsigned int gpio0h_3512_pins[] = { 251, 229 };
 655
 656/* The GPIO0I (21,22) pins overlap with serial flash CE0, CE1 */
 657static const unsigned int gpio0i_3512_pins[] = { 230, 231 };
 658
 659/* The GPIO0J (23) pins overlap with all flash */
 660static const unsigned int gpio0j_3512_pins[] = { 232 };
 661
 662/* The GPIO0K (24,25) pins overlap with all flash and LCD */
 663static const unsigned int gpio0k_3512_pins[] = { 233, 211 };
 664
 665/* The GPIO0L (26-29) pins overlap with parallel flash */
 666static const unsigned int gpio0l_3512_pins[] = { 212, 213, 214, 215 };
 667
 668/* The GPIO0M (30,31) pins overlap with parallel flash and NAND flash */
 669static const unsigned int gpio0m_3512_pins[] = { 193, 194 };
 670
 671/* The GPIO1A (0-4) pins that overlap with IDE and parallel flash */
 672static const unsigned int gpio1a_3512_pins[] = { 162, 163, 165, 166, 148 };
 673
 674/* The GPIO1B (5-10, 27) pins overlap with just IDE */
 675static const unsigned int gpio1b_3512_pins[] = {
 676        180, 181, 182, 183, 184, 198, 255
 677};
 678
 679/* The GPIO1C (11-26) pins overlap with IDE, parallel flash and NAND flash */
 680static const unsigned int gpio1c_3512_pins[] = {
 681        199, 200, 201, 202, 216, 217, 218, 219, 220, 234, 235, 236, 237,
 682        252, 253, 254
 683};
 684
 685/* The GPIO1D (28-31) pins overlap with LCD and TVC */
 686static const unsigned int gpio1d_3512_pins[] = { 246, 319, 301, 283 };
 687
 688/* The GPIO2A (0-3) pins overlap with GMII GMAC1 and extended parallel flash */
 689static const unsigned int gpio2a_3512_pins[] = { 315, 297, 279, 261 };
 690
 691/* The GPIO2B (4-7) pins overlap with GMII GMAC1, extended parallel flash and LCD */
 692static const unsigned int gpio2b_3512_pins[] = { 262, 244, 317, 299 };
 693
 694/* The GPIO2C (8-31) pins overlap with PCI */
 695static const unsigned int gpio2c_3512_pins[] = {
 696        17, 34, 35, 51, 52, 53, 68, 69, 71, 86, 87, 88, 89, 103, 104, 105,
 697        140, 141, 142, 143, 157, 158, 159, 160
 698};
 699
 700/* Groups for the 3512 SoC/package */
 701static const struct gemini_pin_group gemini_3512_pin_groups[] = {
 702        {
 703                .name = "gndgrp",
 704                .pins = gnd_3512_pins,
 705                .num_pins = ARRAY_SIZE(gnd_3512_pins),
 706        },
 707        {
 708                .name = "dramgrp",
 709                .pins = dram_3512_pins,
 710                .num_pins = ARRAY_SIZE(dram_3512_pins),
 711                .mask = DRAM_PADS_POWERDOWN,
 712        },
 713        {
 714                .name = "rtcgrp",
 715                .pins = rtc_3512_pins,
 716                .num_pins = ARRAY_SIZE(rtc_3512_pins),
 717        },
 718        {
 719                .name = "powergrp",
 720                .pins = power_3512_pins,
 721                .num_pins = ARRAY_SIZE(power_3512_pins),
 722        },
 723        {
 724                .name = "systemgrp",
 725                .pins = system_3512_pins,
 726                .num_pins = ARRAY_SIZE(system_3512_pins),
 727        },
 728        {
 729                .name = "vcontrolgrp",
 730                .pins = vcontrol_3512_pins,
 731                .num_pins = ARRAY_SIZE(vcontrol_3512_pins),
 732        },
 733        {
 734                .name = "icegrp",
 735                .pins = ice_3512_pins,
 736                .num_pins = ARRAY_SIZE(ice_3512_pins),
 737                /* Conflict with some GPIO groups */
 738        },
 739        {
 740                .name = "idegrp",
 741                .pins = ide_3512_pins,
 742                .num_pins = ARRAY_SIZE(ide_3512_pins),
 743                /* Conflict with all flash usage */
 744                .value = IDE_PADS_ENABLE | NAND_PADS_DISABLE |
 745                        PFLASH_PADS_DISABLE | SFLASH_PADS_DISABLE,
 746                .driving_mask = GENMASK(21, 20),
 747        },
 748        {
 749                .name = "satagrp",
 750                .pins = sata_3512_pins,
 751                .num_pins = ARRAY_SIZE(sata_3512_pins),
 752        },
 753        {
 754                .name = "usbgrp",
 755                .pins = usb_3512_pins,
 756                .num_pins = ARRAY_SIZE(usb_3512_pins),
 757        },
 758        {
 759                .name = "gmii_gmac0_grp",
 760                .pins = gmii_gmac0_3512_pins,
 761                .num_pins = ARRAY_SIZE(gmii_gmac0_3512_pins),
 762                .driving_mask = GENMASK(17, 16),
 763        },
 764        {
 765                .name = "gmii_gmac1_grp",
 766                .pins = gmii_gmac1_3512_pins,
 767                .num_pins = ARRAY_SIZE(gmii_gmac1_3512_pins),
 768                /* Bring out RGMII on the GMAC1 pins */
 769                .value = GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
 770                .driving_mask = GENMASK(19, 18),
 771        },
 772        {
 773                .name = "pcigrp",
 774                .pins = pci_3512_pins,
 775                .num_pins = ARRAY_SIZE(pci_3512_pins),
 776                /* Conflict only with GPIO2 */
 777                .value = PCI_PADS_ENABLE | PCI_CLK_PAD_ENABLE,
 778                .driving_mask = GENMASK(23, 22),
 779        },
 780        {
 781                .name = "lpcgrp",
 782                .pins = lpc_3512_pins,
 783                .num_pins = ARRAY_SIZE(lpc_3512_pins),
 784                /* Conflict with SSP and UART modem pins */
 785                .mask = SSP_PADS_ENABLE,
 786                .value = LPC_PADS_ENABLE | LPC_CLK_PAD_ENABLE,
 787        },
 788        {
 789                .name = "lcdgrp",
 790                .pins = lcd_3512_pins,
 791                .num_pins = ARRAY_SIZE(lcd_3512_pins),
 792                /* Conflict with TVC and ICE */
 793                .mask = TVC_PADS_ENABLE,
 794                .value = LCD_PADS_ENABLE,
 795        },
 796        {
 797                .name = "sspgrp",
 798                .pins = ssp_3512_pins,
 799                .num_pins = ARRAY_SIZE(ssp_3512_pins),
 800                /* Conflict with LPC and UART modem pins */
 801                .mask = LPC_PADS_ENABLE,
 802                .value = SSP_PADS_ENABLE,
 803        },
 804        {
 805                .name = "uartrxtxgrp",
 806                .pins = uart_rxtx_3512_pins,
 807                .num_pins = ARRAY_SIZE(uart_rxtx_3512_pins),
 808                /* No conflicts except GPIO */
 809        },
 810        {
 811                .name = "uartmodemgrp",
 812                .pins = uart_modem_3512_pins,
 813                .num_pins = ARRAY_SIZE(uart_modem_3512_pins),
 814                /*
 815                 * Conflict with LPC and SSP,
 816                 * so when those are both disabled, modem UART can thrive.
 817                 */
 818                .mask = LPC_PADS_ENABLE | SSP_PADS_ENABLE,
 819        },
 820        {
 821                .name = "tvcgrp",
 822                .pins = tvc_3512_pins,
 823                .num_pins = ARRAY_SIZE(tvc_3512_pins),
 824                /* Conflict with character LCD and ICE */
 825                .mask = LCD_PADS_ENABLE,
 826                .value = TVC_PADS_ENABLE | TVC_CLK_PAD_ENABLE,
 827        },
 828        /*
 829         * The construction is done such that it is possible to use a serial
 830         * flash together with a NAND or parallel (NOR) flash, but it is not
 831         * possible to use NAND and parallel flash together. To use serial
 832         * flash with one of the two others, the muxbits need to be flipped
 833         * around before any access.
 834         */
 835        {
 836                .name = "nflashgrp",
 837                .pins = nflash_3512_pins,
 838                .num_pins = ARRAY_SIZE(nflash_3512_pins),
 839                /* Conflict with IDE, parallel and serial flash */
 840                .mask = NAND_PADS_DISABLE | IDE_PADS_ENABLE,
 841                .value = PFLASH_PADS_DISABLE | SFLASH_PADS_DISABLE,
 842        },
 843        {
 844                .name = "pflashgrp",
 845                .pins = pflash_3512_pins,
 846                .num_pins = ARRAY_SIZE(pflash_3512_pins),
 847                /* Conflict with IDE, NAND and serial flash */
 848                .mask = PFLASH_PADS_DISABLE | IDE_PADS_ENABLE,
 849                .value = NAND_PADS_DISABLE | SFLASH_PADS_DISABLE,
 850        },
 851        {
 852                .name = "sflashgrp",
 853                .pins = sflash_3512_pins,
 854                .num_pins = ARRAY_SIZE(sflash_3512_pins),
 855                /* Conflict with IDE, NAND and parallel flash */
 856                .mask = SFLASH_PADS_DISABLE | IDE_PADS_ENABLE,
 857                .value = NAND_PADS_DISABLE | PFLASH_PADS_DISABLE,
 858        },
 859        {
 860                .name = "gpio0agrp",
 861                .pins = gpio0a_3512_pins,
 862                .num_pins = ARRAY_SIZE(gpio0a_3512_pins),
 863                /* Conflict with TVC */
 864                .mask = TVC_PADS_ENABLE,
 865        },
 866        {
 867                .name = "gpio0bgrp",
 868                .pins = gpio0b_3512_pins,
 869                .num_pins = ARRAY_SIZE(gpio0b_3512_pins),
 870                /* Conflict with TVC and ICE */
 871                .mask = TVC_PADS_ENABLE,
 872        },
 873        {
 874                .name = "gpio0cgrp",
 875                .pins = gpio0c_3512_pins,
 876                .num_pins = ARRAY_SIZE(gpio0c_3512_pins),
 877                /* Conflict with ICE */
 878        },
 879        {
 880                .name = "gpio0dgrp",
 881                .pins = gpio0d_3512_pins,
 882                .num_pins = ARRAY_SIZE(gpio0d_3512_pins),
 883                /* Conflict with UART RX/TX */
 884        },
 885        {
 886                .name = "gpio0egrp",
 887                .pins = gpio0e_3512_pins,
 888                .num_pins = ARRAY_SIZE(gpio0e_3512_pins),
 889                /* Conflict with LPC, UART modem pins, SSP */
 890                .mask = LPC_PADS_ENABLE | SSP_PADS_ENABLE,
 891        },
 892        {
 893                .name = "gpio0fgrp",
 894                .pins = gpio0f_3512_pins,
 895                .num_pins = ARRAY_SIZE(gpio0f_3512_pins),
 896                /* Conflict with LCD */
 897                .mask = LCD_PADS_ENABLE,
 898        },
 899        {
 900                .name = "gpio0ggrp",
 901                .pins = gpio0g_3512_pins,
 902                .num_pins = ARRAY_SIZE(gpio0g_3512_pins),
 903                /* Conflict with NAND flash */
 904                .value = NAND_PADS_DISABLE,
 905        },
 906        {
 907                .name = "gpio0hgrp",
 908                .pins = gpio0h_3512_pins,
 909                .num_pins = ARRAY_SIZE(gpio0h_3512_pins),
 910                /* Conflict with parallel flash */
 911                .value = PFLASH_PADS_DISABLE,
 912        },
 913        {
 914                .name = "gpio0igrp",
 915                .pins = gpio0i_3512_pins,
 916                .num_pins = ARRAY_SIZE(gpio0i_3512_pins),
 917                /* Conflict with serial flash */
 918                .value = SFLASH_PADS_DISABLE,
 919        },
 920        {
 921                .name = "gpio0jgrp",
 922                .pins = gpio0j_3512_pins,
 923                .num_pins = ARRAY_SIZE(gpio0j_3512_pins),
 924                /* Conflict with all flash */
 925                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE |
 926                        SFLASH_PADS_DISABLE,
 927        },
 928        {
 929                .name = "gpio0kgrp",
 930                .pins = gpio0k_3512_pins,
 931                .num_pins = ARRAY_SIZE(gpio0k_3512_pins),
 932                /* Conflict with all flash and LCD */
 933                .mask = LCD_PADS_ENABLE,
 934                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE |
 935                        SFLASH_PADS_DISABLE,
 936        },
 937        {
 938                .name = "gpio0lgrp",
 939                .pins = gpio0l_3512_pins,
 940                .num_pins = ARRAY_SIZE(gpio0l_3512_pins),
 941                /* Conflict with parallel flash */
 942                .value = PFLASH_PADS_DISABLE,
 943        },
 944        {
 945                .name = "gpio0mgrp",
 946                .pins = gpio0m_3512_pins,
 947                .num_pins = ARRAY_SIZE(gpio0m_3512_pins),
 948                /* Conflict with parallel and NAND flash */
 949                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE,
 950        },
 951        {
 952                .name = "gpio1agrp",
 953                .pins = gpio1a_3512_pins,
 954                .num_pins = ARRAY_SIZE(gpio1a_3512_pins),
 955                /* Conflict with IDE and parallel flash */
 956                .mask = IDE_PADS_ENABLE,
 957                .value = PFLASH_PADS_DISABLE,
 958        },
 959        {
 960                .name = "gpio1bgrp",
 961                .pins = gpio1b_3512_pins,
 962                .num_pins = ARRAY_SIZE(gpio1b_3512_pins),
 963                /* Conflict with IDE only */
 964                .mask = IDE_PADS_ENABLE,
 965        },
 966        {
 967                .name = "gpio1cgrp",
 968                .pins = gpio1c_3512_pins,
 969                .num_pins = ARRAY_SIZE(gpio1c_3512_pins),
 970                /* Conflict with IDE, parallel and NAND flash */
 971                .mask = IDE_PADS_ENABLE,
 972                .value = NAND_PADS_DISABLE | PFLASH_PADS_DISABLE,
 973        },
 974        {
 975                .name = "gpio1dgrp",
 976                .pins = gpio1d_3512_pins,
 977                .num_pins = ARRAY_SIZE(gpio1d_3512_pins),
 978                /* Conflict with LCD and TVC */
 979                .mask = LCD_PADS_ENABLE | TVC_PADS_ENABLE,
 980        },
 981        {
 982                .name = "gpio2agrp",
 983                .pins = gpio2a_3512_pins,
 984                .num_pins = ARRAY_SIZE(gpio2a_3512_pins),
 985                .mask = GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
 986                /* Conflict with GMII GMAC1 and extended parallel flash */
 987        },
 988        {
 989                .name = "gpio2bgrp",
 990                .pins = gpio2b_3512_pins,
 991                .num_pins = ARRAY_SIZE(gpio2b_3512_pins),
 992                /* Conflict with GMII GMAC1, extended parallel flash and LCD */
 993                .mask = LCD_PADS_ENABLE | GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
 994        },
 995        {
 996                .name = "gpio2cgrp",
 997                .pins = gpio2c_3512_pins,
 998                .num_pins = ARRAY_SIZE(gpio2c_3512_pins),
 999                /* Conflict with PCI */
1000                .mask = PCI_PADS_ENABLE,
1001        },
1002};
1003
1004/* Pin names for the pinmux subsystem, 3516 variant */
1005static const struct pinctrl_pin_desc gemini_3516_pins[] = {
1006        /* Row A */
1007        PINCTRL_PIN(0, "A1 AVCC3IOHA"),
1008        PINCTRL_PIN(1, "A2 DRAM CK N"),
1009        PINCTRL_PIN(2, "A3 DRAM CK"),
1010        PINCTRL_PIN(3, "A4 DRAM DQM1"),
1011        PINCTRL_PIN(4, "A5 DRAM DQ9"),
1012        PINCTRL_PIN(5, "A6 DRAM DQ13"),
1013        PINCTRL_PIN(6, "A7 DRAM DQ1"),
1014        PINCTRL_PIN(7, "A8 DRAM DQ2"),
1015        PINCTRL_PIN(8, "A9 DRAM DQ4"),
1016        PINCTRL_PIN(9, "A10 DRAM VREF"),
1017        PINCTRL_PIN(10, "A11 DRAM DQ24"),
1018        PINCTRL_PIN(11, "A12 DRAM DQ28"),
1019        PINCTRL_PIN(12, "A13 DRAM DQ30"),
1020        PINCTRL_PIN(13, "A14 DRAM DQ18"),
1021        PINCTRL_PIN(14, "A15 DRAM DQ21"),
1022        PINCTRL_PIN(15, "A16 DRAM CAS_N"),
1023        PINCTRL_PIN(16, "A17 DRAM BA1"),
1024        PINCTRL_PIN(17, "A18 PCI INTA N"),
1025        PINCTRL_PIN(18, "A19 PCI INTB N"),
1026        PINCTRL_PIN(19, "A20 PCI INTC N"),
1027        /* Row B */
1028        PINCTRL_PIN(20, "B1 PWR EN"),
1029        PINCTRL_PIN(21, "B2 GND"),
1030        PINCTRL_PIN(22, "B3 RTC CLKO"),
1031        PINCTRL_PIN(23, "B4 DRAM A5"),
1032        PINCTRL_PIN(24, "B5 DRAM A6"),
1033        PINCTRL_PIN(25, "B6 DRAM DQS1"),
1034        PINCTRL_PIN(26, "B7 DRAM DQ11"),
1035        PINCTRL_PIN(27, "B8 DRAM DQ0"),
1036        PINCTRL_PIN(28, "B9 DRAM DQS0"),
1037        PINCTRL_PIN(29, "B10 DRAM DQ7"),
1038        PINCTRL_PIN(30, "B11 DRAM DQS3"),
1039        PINCTRL_PIN(31, "B12 DRAM DQ27"),
1040        PINCTRL_PIN(32, "B13 DRAM DQ31"),
1041        PINCTRL_PIN(33, "B14 DRAM DQ20"),
1042        PINCTRL_PIN(34, "B15 DRAM DQS2"),
1043        PINCTRL_PIN(35, "B16 DRAM WE N"),
1044        PINCTRL_PIN(36, "B17 DRAM A10"),
1045        PINCTRL_PIN(37, "B18 DRAM A2"),
1046        PINCTRL_PIN(38, "B19 GND"),
1047        PINCTRL_PIN(39, "B20 PCI GNT0 N"),
1048        /* Row C */
1049        PINCTRL_PIN(40, "C1 AGNDIOHA"),
1050        PINCTRL_PIN(41, "C2 XTALI"),
1051        PINCTRL_PIN(42, "C3 GND"),
1052        PINCTRL_PIN(43, "C4 RTC CLKI"),
1053        PINCTRL_PIN(44, "C5 DRAM A12"),
1054        PINCTRL_PIN(45, "C6 DRAM A11"),
1055        PINCTRL_PIN(46, "C7 DRAM DQ8"),
1056        PINCTRL_PIN(47, "C8 DRAM DQ10"),
1057        PINCTRL_PIN(48, "C9 DRAM DQ3"),
1058        PINCTRL_PIN(49, "C10 DRAM DQ6"),
1059        PINCTRL_PIN(50, "C11 DRAM DQM0"),
1060        PINCTRL_PIN(51, "C12 DRAM DQ26"),
1061        PINCTRL_PIN(52, "C13 DRAM DQ16"),
1062        PINCTRL_PIN(53, "C14 DRAM DQ22"),
1063        PINCTRL_PIN(54, "C15 DRAM DQM2"),
1064        PINCTRL_PIN(55, "C16 DRAM BA0"),
1065        PINCTRL_PIN(56, "C17 DRAM A3"),
1066        PINCTRL_PIN(57, "C18 GND"),
1067        PINCTRL_PIN(58, "C19 PCI GNT1 N"),
1068        PINCTRL_PIN(59, "C20 PCI REQ2 N"),
1069        /* Row D */
1070        PINCTRL_PIN(60, "D1 AVCC3IOAHA"),
1071        PINCTRL_PIN(61, "D2 AVCCKHA"),
1072        PINCTRL_PIN(62, "D3 XTALO"),
1073        PINCTRL_PIN(63, "D4 GND"),
1074        PINCTRL_PIN(64, "D5 CIR RXD"),
1075        PINCTRL_PIN(65, "D6 DRAM A7"),
1076        PINCTRL_PIN(66, "D7 DRAM A4"),
1077        PINCTRL_PIN(67, "D8 DRAM A8"),
1078        PINCTRL_PIN(68, "D9 DRAM CKE"),
1079        PINCTRL_PIN(69, "D10 DRAM DQ14"),
1080        PINCTRL_PIN(70, "D11 DRAM DQ5"),
1081        PINCTRL_PIN(71, "D12 DRAM DQ25"),
1082        PINCTRL_PIN(72, "D13 DRAM DQ17"),
1083        PINCTRL_PIN(73, "D14 DRAM DQ23"),
1084        PINCTRL_PIN(74, "D15 DRAM RAS N"),
1085        PINCTRL_PIN(75, "D16 DRAM A1"),
1086        PINCTRL_PIN(76, "D17 GND"),
1087        PINCTRL_PIN(77, "D18 EXT RESET N"),
1088        PINCTRL_PIN(78, "D19 PCI REQ1 N"),
1089        PINCTRL_PIN(79, "D20 PCI REQ3 N"),
1090        /* Row E */
1091        PINCTRL_PIN(80, "E1 VCC2IO CTRL"),
1092        PINCTRL_PIN(81, "E2 VREF CTRL"),
1093        PINCTRL_PIN(82, "E3 CIR RST N"),
1094        PINCTRL_PIN(83, "E4 PWR BTN"),
1095        PINCTRL_PIN(84, "E5 GND"),
1096        PINCTRL_PIN(85, "E6 CIR TXD"),
1097        PINCTRL_PIN(86, "E7 VCCK CTRL"),
1098        PINCTRL_PIN(87, "E8 DRAM A9"),
1099        PINCTRL_PIN(88, "E9 DRAM DQ12"),
1100        PINCTRL_PIN(89, "E10 DRAM DQ15"),
1101        PINCTRL_PIN(90, "E11 DRAM DQM3"),
1102        PINCTRL_PIN(91, "E12 DRAM DQ29"),
1103        PINCTRL_PIN(92, "E13 DRAM DQ19"),
1104        PINCTRL_PIN(93, "E14 DRAM A13"),
1105        PINCTRL_PIN(94, "E15 DRAM A0"),
1106        PINCTRL_PIN(95, "E16 GND"),
1107        PINCTRL_PIN(96, "E17 PCI INTD N"),
1108        PINCTRL_PIN(97, "E18 PCI GNT3 N"),
1109        PINCTRL_PIN(98, "E19 PCI AD29"),
1110        PINCTRL_PIN(99, "E20 PCI AD28"),
1111        /* Row F */
1112        PINCTRL_PIN(100, "F1 AVCCKHB"),
1113        PINCTRL_PIN(101, "F2 AVCCK P"),
1114        PINCTRL_PIN(102, "F3 EBG"),
1115        PINCTRL_PIN(103, "F4 REXT"),
1116        PINCTRL_PIN(104, "F5 AVCC3IOHB"),
1117        PINCTRL_PIN(105, "F6 GND"),
1118        PINCTRL_PIN(106, "F7 VCC2IOHA 2"),
1119        PINCTRL_PIN(107, "F8 VCC2IOHA 2"),
1120        PINCTRL_PIN(108, "F9 VCC2IOHA 2"),
1121        PINCTRL_PIN(109, "F10 V1"),
1122        PINCTRL_PIN(110, "F11 V1"),
1123        PINCTRL_PIN(111, "F12 VCC2IOHA 2"),
1124        PINCTRL_PIN(112, "F13 VCC2IOHA 2"),
1125        PINCTRL_PIN(113, "F14 VCC2IOHA 2"),
1126        PINCTRL_PIN(114, "F15 GND"),
1127        PINCTRL_PIN(115, "F16 PCI CLK"),
1128        PINCTRL_PIN(116, "F17 PCI GNT2 N"),
1129        PINCTRL_PIN(117, "F18 PCI AD31"),
1130        PINCTRL_PIN(118, "F19 PCI AD26"),
1131        PINCTRL_PIN(119, "F20 PCI CBE3 N"),
1132        /* Row G */
1133        PINCTRL_PIN(120, "G1 SATA0 RXDP"),
1134        PINCTRL_PIN(121, "G2 SATA0 RXDN"),
1135        PINCTRL_PIN(122, "G3 AGNDK 0"),
1136        PINCTRL_PIN(123, "G4 AVCCK S"),
1137        PINCTRL_PIN(124, "G5 AVCC3 S"),
1138        PINCTRL_PIN(125, "G6 VCC2IOHA 2"),
1139        PINCTRL_PIN(126, "G7 GND"),
1140        PINCTRL_PIN(127, "G8 VCC2IOHA 2"),
1141        PINCTRL_PIN(128, "G9 V1"),
1142        PINCTRL_PIN(129, "G10 V1"),
1143        PINCTRL_PIN(130, "G11 V1"),
1144        PINCTRL_PIN(131, "G12 V1"),
1145        PINCTRL_PIN(132, "G13 VCC2IOHA 2"),
1146        PINCTRL_PIN(133, "G14 GND"),
1147        PINCTRL_PIN(134, "G15 VCC3IOHA"),
1148        PINCTRL_PIN(135, "G16 PCI REQ0 N"),
1149        PINCTRL_PIN(136, "G17 PCI AD30"),
1150        PINCTRL_PIN(137, "G18 PCI AD24"),
1151        PINCTRL_PIN(138, "G19 PCI AD23"),
1152        PINCTRL_PIN(139, "G20 PCI AD21"),
1153        /* Row H */
1154        PINCTRL_PIN(140, "H1 SATA0 TXDP"),
1155        PINCTRL_PIN(141, "H2 SATA0 TXDN"),
1156        PINCTRL_PIN(142, "H3 AGNDK 1"),
1157        PINCTRL_PIN(143, "H4 AVCCK 0"),
1158        PINCTRL_PIN(144, "H5 TEST CLKOUT"),
1159        PINCTRL_PIN(145, "H6 AGND"),
1160        PINCTRL_PIN(146, "H7 VCC2IOHA 2"),
1161        PINCTRL_PIN(147, "H8 GND"),
1162        PINCTRL_PIN(148, "H9 GND"),
1163        PINCTRL_PIN(149, "H10 GDN"),
1164        PINCTRL_PIN(150, "H11 GND"),
1165        PINCTRL_PIN(151, "H12 GND"),
1166        PINCTRL_PIN(152, "H13 GND"),
1167        PINCTRL_PIN(153, "H14 VCC3IOHA"),
1168        PINCTRL_PIN(154, "H15 VCC3IOHA"),
1169        PINCTRL_PIN(155, "H16 PCI AD27"),
1170        PINCTRL_PIN(156, "H17 PCI AD25"),
1171        PINCTRL_PIN(157, "H18 PCI AD22"),
1172        PINCTRL_PIN(158, "H19 PCI AD18"),
1173        PINCTRL_PIN(159, "H20 PCI AD17"),
1174        /* Row J (for some reason I is skipped) */
1175        PINCTRL_PIN(160, "J1 SATA1 TXDP"),
1176        PINCTRL_PIN(161, "J2 SATA1 TXDN"),
1177        PINCTRL_PIN(162, "J3 AGNDK 2"),
1178        PINCTRL_PIN(163, "J4 AVCCK 1"),
1179        PINCTRL_PIN(164, "J5 AGND"),
1180        PINCTRL_PIN(165, "J6 AGND"),
1181        PINCTRL_PIN(166, "J7 V1"),
1182        PINCTRL_PIN(167, "J8 GND"),
1183        PINCTRL_PIN(168, "J9 GND"),
1184        PINCTRL_PIN(169, "J10 GND"),
1185        PINCTRL_PIN(170, "J11 GND"),
1186        PINCTRL_PIN(171, "J12 GND"),
1187        PINCTRL_PIN(172, "J13 GND"),
1188        PINCTRL_PIN(173, "J14 V1"),
1189        PINCTRL_PIN(174, "J15 VCC3IOHA"),
1190        PINCTRL_PIN(175, "J16 PCI AD19"),
1191        PINCTRL_PIN(176, "J17 PCI AD20"),
1192        PINCTRL_PIN(177, "J18 PCI AD16"),
1193        PINCTRL_PIN(178, "J19 PCI CBE2 N"),
1194        PINCTRL_PIN(179, "J20 PCI FRAME N"),
1195        /* Row K */
1196        PINCTRL_PIN(180, "K1 SATA1 RXDP"),
1197        PINCTRL_PIN(181, "K2 SATA1 RXDN"),
1198        PINCTRL_PIN(182, "K3 AGNDK 3"),
1199        PINCTRL_PIN(183, "K4 AVCCK 2"),
1200        PINCTRL_PIN(184, "K5 AGND"),
1201        PINCTRL_PIN(185, "K6 V1"),
1202        PINCTRL_PIN(186, "K7 V1"),
1203        PINCTRL_PIN(187, "K8 GND"),
1204        PINCTRL_PIN(188, "K9 GND"),
1205        PINCTRL_PIN(189, "K10 GND"),
1206        PINCTRL_PIN(190, "K11 GND"),
1207        PINCTRL_PIN(191, "K12 GND"),
1208        PINCTRL_PIN(192, "K13 GND"),
1209        PINCTRL_PIN(193, "K14 V1"),
1210        PINCTRL_PIN(194, "K15 V1"),
1211        PINCTRL_PIN(195, "K16 PCI TRDY N"),
1212        PINCTRL_PIN(196, "K17 PCI IRDY N"),
1213        PINCTRL_PIN(197, "K18 PCI DEVSEL N"),
1214        PINCTRL_PIN(198, "K19 PCI STOP N"),
1215        PINCTRL_PIN(199, "K20 PCI PAR"),
1216        /* Row L */
1217        PINCTRL_PIN(200, "L1 IDE CS0 N"),
1218        PINCTRL_PIN(201, "L2 IDE DA0"),
1219        PINCTRL_PIN(202, "L3 AVCCK 3"),
1220        PINCTRL_PIN(203, "L4 AGND"),
1221        PINCTRL_PIN(204, "L5 IDE DIOR N"),
1222        PINCTRL_PIN(205, "L6 V1"),
1223        PINCTRL_PIN(206, "L7 V1"),
1224        PINCTRL_PIN(207, "L8 GND"),
1225        PINCTRL_PIN(208, "L9 GND"),
1226        PINCTRL_PIN(209, "L10 GND"),
1227        PINCTRL_PIN(210, "L11 GND"),
1228        PINCTRL_PIN(211, "L12 GND"),
1229        PINCTRL_PIN(212, "L13 GND"),
1230        PINCTRL_PIN(213, "L14 V1"),
1231        PINCTRL_PIN(214, "L15 V1"),
1232        PINCTRL_PIN(215, "L16 PCI AD12"),
1233        PINCTRL_PIN(216, "L17 PCI AD13"),
1234        PINCTRL_PIN(217, "L18 PCI AD14"),
1235        PINCTRL_PIN(218, "L19 PCI AD15"),
1236        PINCTRL_PIN(219, "L20 PCI CBE1 N"),
1237        /* Row M */
1238        PINCTRL_PIN(220, "M1 IDE DA1"),
1239        PINCTRL_PIN(221, "M2 IDE CS1 N"),
1240        PINCTRL_PIN(222, "M3 IDE DA2"),
1241        PINCTRL_PIN(223, "M4 IDE DMACK N"),
1242        PINCTRL_PIN(224, "M5 IDE DD1"),
1243        PINCTRL_PIN(225, "M6 VCC3IOHA"),
1244        PINCTRL_PIN(226, "M7 V1"),
1245        PINCTRL_PIN(227, "M8 GND"),
1246        PINCTRL_PIN(228, "M9 GND"),
1247        PINCTRL_PIN(229, "M10 GND"),
1248        PINCTRL_PIN(230, "M11 GND"),
1249        PINCTRL_PIN(231, "M12 GND"),
1250        PINCTRL_PIN(232, "M13 GND"),
1251        PINCTRL_PIN(233, "M14 V1"),
1252        PINCTRL_PIN(234, "M15 VCC3IOHA"),
1253        PINCTRL_PIN(235, "M16 PCI AD7"),
1254        PINCTRL_PIN(236, "M17 PCI AD6"),
1255        PINCTRL_PIN(237, "M18 PCI AD9"),
1256        PINCTRL_PIN(238, "M19 PCI AD10"),
1257        PINCTRL_PIN(239, "M20 PCI AD11"),
1258        /* Row N */
1259        PINCTRL_PIN(240, "N1 IDE IORDY"),
1260        PINCTRL_PIN(241, "N2 IDE INTRQ"),
1261        PINCTRL_PIN(242, "N3 IDE DIOW N"),
1262        PINCTRL_PIN(243, "N4 IDE DD15"),
1263        PINCTRL_PIN(244, "N5 IDE DMARQ"),
1264        PINCTRL_PIN(245, "N6 VCC3IOHA"),
1265        PINCTRL_PIN(246, "N7 VCC3IOHA"),
1266        PINCTRL_PIN(247, "N8 GND"),
1267        PINCTRL_PIN(248, "N9 GND"),
1268        PINCTRL_PIN(249, "N10 GND"),
1269        PINCTRL_PIN(250, "N11 GND"),
1270        PINCTRL_PIN(251, "N12 GND"),
1271        PINCTRL_PIN(252, "N13 GND"),
1272        PINCTRL_PIN(253, "N14 VCC3IOHA"),
1273        PINCTRL_PIN(254, "N15 VCC3IOHA"),
1274        PINCTRL_PIN(255, "N16 PCI CLKRUN N"),
1275        PINCTRL_PIN(256, "N17 PCI AD0"),
1276        PINCTRL_PIN(257, "N18 PCI AD4"),
1277        PINCTRL_PIN(258, "N19 PCI CBE0 N"),
1278        PINCTRL_PIN(259, "N20 PCI AD8"),
1279        /* Row P (for some reason O is skipped) */
1280        PINCTRL_PIN(260, "P1 IDE DD0"),
1281        PINCTRL_PIN(261, "P2 IDE DD14"),
1282        PINCTRL_PIN(262, "P3 IDE DD2"),
1283        PINCTRL_PIN(263, "P4 IDE DD4"),
1284        PINCTRL_PIN(264, "P5 IDE DD3"),
1285        PINCTRL_PIN(265, "P6 VCC3IOHA"),
1286        PINCTRL_PIN(266, "P7 GND"),
1287        PINCTRL_PIN(267, "P8 VCC2IOHA 1"),
1288        PINCTRL_PIN(268, "P9 V1"),
1289        PINCTRL_PIN(269, "P10 V1"),
1290        PINCTRL_PIN(270, "P11 V1"),
1291        PINCTRL_PIN(271, "P12 V1"),
1292        PINCTRL_PIN(272, "P13 VCC3IOHA"),
1293        PINCTRL_PIN(273, "P14 GND"),
1294        PINCTRL_PIN(274, "P15 VCC3IOHA"),
1295        PINCTRL_PIN(275, "P16 GPIO0 30"),
1296        PINCTRL_PIN(276, "P17 GPIO0 28"),
1297        PINCTRL_PIN(277, "P18 PCI AD1"),
1298        PINCTRL_PIN(278, "P19 PCI AD3"),
1299        PINCTRL_PIN(279, "P20 PCI AD5"),
1300        /* Row R (for some reason Q us skipped) */
1301        PINCTRL_PIN(280, "R1 IDE DD13"),
1302        PINCTRL_PIN(281, "R2 IDE DD12"),
1303        PINCTRL_PIN(282, "R3 IDE DD10"),
1304        PINCTRL_PIN(283, "R4 IDE DD6"),
1305        PINCTRL_PIN(284, "R5 ICE0 IDI"),
1306        PINCTRL_PIN(285, "R6 GND"),
1307        PINCTRL_PIN(286, "R7 VCC2IOHA 1"),
1308        PINCTRL_PIN(287, "R8 VCC2IOHA 1"),
1309        PINCTRL_PIN(288, "R9 VCC2IOHA 1"),
1310        PINCTRL_PIN(289, "R10 V1"),
1311        PINCTRL_PIN(290, "R11 V1"),
1312        PINCTRL_PIN(291, "R12 VCC3IOHA"),
1313        PINCTRL_PIN(292, "R13 VCC3IOHA"),
1314        PINCTRL_PIN(293, "R14 VCC3IOHA"),
1315        PINCTRL_PIN(294, "R15 GND"),
1316        PINCTRL_PIN(295, "R16 GPIO0 23"),
1317        PINCTRL_PIN(296, "R17 GPIO0 21"),
1318        PINCTRL_PIN(297, "R18 GPIO0 26"),
1319        PINCTRL_PIN(298, "R19 GPIO0 31"),
1320        PINCTRL_PIN(299, "R20 PCI AD2"),
1321        /* Row T (for some reason S is skipped) */
1322        PINCTRL_PIN(300, "T1 IDE DD11"),
1323        PINCTRL_PIN(301, "T2 IDE DD5"),
1324        PINCTRL_PIN(302, "T3 IDE DD8"),
1325        PINCTRL_PIN(303, "T4 ICE0 IDO"),
1326        PINCTRL_PIN(304, "T5 GND"),
1327        PINCTRL_PIN(305, "T6 USB GNDA U20"),
1328        PINCTRL_PIN(306, "T7 GMAC0 TXD0"),
1329        PINCTRL_PIN(307, "T8 GMAC0 TXEN"),
1330        PINCTRL_PIN(308, "T9 GMAC1 TXD3"),
1331        PINCTRL_PIN(309, "T10 GMAC1 RXDV"),
1332        PINCTRL_PIN(310, "T11 GMAC1 RXD2"),
1333        PINCTRL_PIN(311, "T12 GPIO1 29"),
1334        PINCTRL_PIN(312, "T13 GPIO0 3"),
1335        PINCTRL_PIN(313, "T14 GPIO0 9"),
1336        PINCTRL_PIN(314, "T15 GPIO0 16"),
1337        PINCTRL_PIN(315, "T16 GND"),
1338        PINCTRL_PIN(316, "T17 GPIO0 14"),
1339        PINCTRL_PIN(317, "T18 GPIO0 19"),
1340        PINCTRL_PIN(318, "T19 GPIO0 27"),
1341        PINCTRL_PIN(319, "T20 GPIO0 29"),
1342        /* Row U */
1343        PINCTRL_PIN(320, "U1 IDE DD9"),
1344        PINCTRL_PIN(321, "U2 IDE DD7"),
1345        PINCTRL_PIN(322, "U3 ICE0 ICK"),
1346        PINCTRL_PIN(323, "U4 GND"),
1347        PINCTRL_PIN(324, "U5 USB XSCO"),
1348        PINCTRL_PIN(325, "U6 GMAC0 TXD1"),
1349        PINCTRL_PIN(326, "U7 GMAC0 TXD3"),
1350        PINCTRL_PIN(327, "U8 GMAC0 TXC"),
1351        PINCTRL_PIN(328, "U9 GMAC0 RXD3"),
1352        PINCTRL_PIN(329, "U10 GMAC1 TXD0"),
1353        PINCTRL_PIN(330, "U11 GMAC1 CRS"),
1354        PINCTRL_PIN(331, "U12 EXT CLK"),
1355        PINCTRL_PIN(332, "U13 DEV DEF"),
1356        PINCTRL_PIN(333, "U14 GPIO0 0"),
1357        PINCTRL_PIN(334, "U15 GPIO0 4"),
1358        PINCTRL_PIN(335, "U16 GPIO0 10"),
1359        PINCTRL_PIN(336, "U17 GND"),
1360        PINCTRL_PIN(337, "U18 GPIO0 17"),
1361        PINCTRL_PIN(338, "U19 GPIO0 22"),
1362        PINCTRL_PIN(339, "U20 GPIO0 25"),
1363        /* Row V */
1364        PINCTRL_PIN(340, "V1 ICE0 DBGACK"),
1365        PINCTRL_PIN(341, "V2 ICE0 DBGRQ"),
1366        PINCTRL_PIN(342, "V3 GND"),
1367        PINCTRL_PIN(343, "V4 ICE0 IRST N"),
1368        PINCTRL_PIN(344, "V5 USB XSCI"),
1369        PINCTRL_PIN(345, "V6 GMAC0 COL"),
1370        PINCTRL_PIN(346, "V7 GMAC0 TXD2"),
1371        PINCTRL_PIN(347, "V8 GMAC0 RXDV"),
1372        PINCTRL_PIN(348, "V9 GMAC0 RXD1"),
1373        PINCTRL_PIN(349, "V10 GMAC1 COL"),
1374        PINCTRL_PIN(350, "V11 GMAC1 TXC"),
1375        PINCTRL_PIN(351, "V12 GMAC1 RXD1"),
1376        PINCTRL_PIN(352, "V13 MODE SEL1"),
1377        PINCTRL_PIN(353, "V14 GPIO1 28"),
1378        PINCTRL_PIN(354, "V15 GPIO0 1"),
1379        PINCTRL_PIN(355, "V16 GPIO0 8"),
1380        PINCTRL_PIN(356, "V17 GPIO0 11"),
1381        PINCTRL_PIN(357, "V18 GND"),
1382        PINCTRL_PIN(358, "V19 GPIO0 18"),
1383        PINCTRL_PIN(359, "V20 GPIO0 24"),
1384        /* Row W */
1385        PINCTRL_PIN(360, "W1 IDE RESET N"),
1386        PINCTRL_PIN(361, "W2 GND"),
1387        PINCTRL_PIN(362, "W3 USB0 VCCHSRT"),
1388        PINCTRL_PIN(363, "W4 USB0 DP"),
1389        PINCTRL_PIN(364, "W5 USB VCCA U20"),
1390        PINCTRL_PIN(365, "W6 USB1 DP"),
1391        PINCTRL_PIN(366, "W7 USB1 GNDHSRT"),
1392        PINCTRL_PIN(367, "W8 GMAC0 RXD0"),
1393        PINCTRL_PIN(368, "W9 GMAC0 CRS"),
1394        PINCTRL_PIN(369, "W10 GMAC1 TXD2"),
1395        PINCTRL_PIN(370, "W11 GMAC1 TXEN"),
1396        PINCTRL_PIN(371, "W12 GMAC1 RXD3"),
1397        PINCTRL_PIN(372, "W13 MODE SEL0"),
1398        PINCTRL_PIN(373, "W14 MODE SEL3"),
1399        PINCTRL_PIN(374, "W15 GPIO1 31"),
1400        PINCTRL_PIN(375, "W16 GPIO0 5"),
1401        PINCTRL_PIN(376, "W17 GPIO0 7"),
1402        PINCTRL_PIN(377, "W18 GPIO0 12"),
1403        PINCTRL_PIN(378, "W19 GND"),
1404        PINCTRL_PIN(379, "W20 GPIO0 20"),
1405        /* Row Y */
1406        PINCTRL_PIN(380, "Y1 ICE0 IMS"),
1407        PINCTRL_PIN(381, "Y2 USB0 GNDHSRT"),
1408        PINCTRL_PIN(382, "Y3 USB0 DM"),
1409        PINCTRL_PIN(383, "Y4 USB RREF"),
1410        PINCTRL_PIN(384, "Y5 USB1 DM"),
1411        PINCTRL_PIN(385, "Y6 USB1 VCCHSRT"),
1412        PINCTRL_PIN(386, "Y7 GMAC0 RXC"),
1413        PINCTRL_PIN(387, "Y8 GMAC0 RXD2"),
1414        PINCTRL_PIN(388, "Y9 REF CLK"),
1415        PINCTRL_PIN(389, "Y10 GMAC1 TXD1"),
1416        PINCTRL_PIN(390, "Y11 GMAC1 RXC"),
1417        PINCTRL_PIN(391, "Y12 GMAC1 RXD0"),
1418        PINCTRL_PIN(392, "Y13 M30 CLK"),
1419        PINCTRL_PIN(393, "Y14 MODE SEL2"),
1420        PINCTRL_PIN(394, "Y15 GPIO1 30"),
1421        PINCTRL_PIN(395, "Y16 GPIO0 2"),
1422        PINCTRL_PIN(396, "Y17 GPIO0 6"),
1423        PINCTRL_PIN(397, "Y18 SYS RESET N"),
1424        PINCTRL_PIN(398, "Y19 GPIO0 13"),
1425        PINCTRL_PIN(399, "Y20 GPIO0 15"),
1426};
1427
1428/* Digital ground */
1429static const unsigned int gnd_3516_pins[] = {
1430        21, 38, 42, 57, 63, 76, 84, 95, 105, 114, 126, 133, 147, 148, 149, 150,
1431        151, 152, 167, 168, 169, 170, 171, 172, 187, 188, 189, 190, 191, 192,
1432        207, 208, 209, 210, 211, 212, 227, 228, 229, 230, 231, 232, 247, 248,
1433        249, 250, 251, 252, 266, 273, 285, 294, 304, 315, 323, 336, 342, 357,
1434        361, 378
1435};
1436
1437static const unsigned int dram_3516_pins[] = {
1438        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 23, 24, 25, 26,
1439        27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 44, 45, 46, 47, 48, 49, 50,
1440        51, 52, 53, 54, 55, 56, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
1441        87, 88, 89, 90, 91, 92, 93, 94
1442};
1443
1444static const unsigned int rtc_3516_pins[] = { 0, 43, 22 };
1445
1446static const unsigned int power_3516_pins[] = { 20, 83, 40, 41, 60, 61, 62 };
1447
1448static const unsigned int cir_3516_pins[] = { 85, 64, 82 };
1449
1450static const unsigned int system_3516_pins[] = {
1451        332, 392, 372, 373, 393, 352, 331, 388, 397, 77
1452};
1453
1454static const unsigned int vcontrol_3516_pins[] = { 86, 81, 80 };
1455
1456static const unsigned int ice_3516_pins[] = { 340, 341, 303, 322, 380, 284, 343 };
1457
1458static const unsigned int ide_3516_pins[] = {
1459        200, 201, 204, 220, 221, 222, 223, 224, 240, 241, 242, 243, 244, 260,
1460        261, 262, 263, 264, 280, 281, 282, 283, 300, 301, 302, 320, 321, 360
1461};
1462
1463static const unsigned int sata_3516_pins[] = {
1464        100, 101, 102, 103, 104, 120, 121, 122, 123, 124, 140, 141, 142, 143,
1465        144, 160, 161, 162, 163, 180, 181, 182, 183, 202
1466};
1467
1468static const unsigned int usb_3516_pins[] = {
1469        305, 324, 344, 362, 363, 364, 365, 366, 381, 382, 383, 384, 385
1470};
1471
1472/* GMII, ethernet pins */
1473static const unsigned int gmii_gmac0_3516_pins[] = {
1474        306, 307, 325, 326, 327, 328, 345, 346, 347, 348, 367, 368, 386, 387
1475};
1476
1477static const unsigned int gmii_gmac1_3516_pins[] = {
1478        308, 309, 310, 329, 330, 349, 350, 351, 369, 370, 371, 389, 390, 391
1479};
1480
1481static const unsigned int pci_3516_pins[] = {
1482        17, 18, 19, 39, 58, 59, 78, 79, 96, 97, 98, 99, 115, 116, 117, 118,
1483        119, 135, 136, 137, 138, 139, 155, 156, 157, 158, 159, 175, 176, 177,
1484        178, 179, 195, 196, 197, 198, 199, 215, 216, 217, 218, 219, 235, 236,
1485        237, 238, 239, 255, 256, 257, 258, 259, 277, 278, 279, 299
1486};
1487
1488/*
1489 * Apparently the LPC interface is using the PCICLK for the clocking so
1490 * PCI needs to be active at the same time.
1491 */
1492static const unsigned int lpc_3516_pins[] = {
1493        355, /* LPC_LAD[0] */
1494        356, /* LPC_SERIRQ */
1495        377, /* LPC_LAD[2] */
1496        398, /* LPC_LFRAME# */
1497        316, /* LPC_LAD[3] */
1498        399, /* LPC_LAD[1] */
1499};
1500
1501/* Character LCD */
1502static const unsigned int lcd_3516_pins[] = {
1503        391, 351, 310, 371, 353, 311, 394, 374, 314, 359, 339
1504};
1505
1506static const unsigned int ssp_3516_pins[] = {
1507        355, /* SSP_97RST# SSP AC97 Reset, active low */
1508        356, /* SSP_FSC */
1509        377, /* SSP_ECLK */
1510        398, /* SSP_TXD */
1511        316, /* SSP_RXD */
1512        399, /* SSP_SCLK */
1513};
1514
1515static const unsigned int uart_rxtx_3516_pins[] = {
1516        313, /* UART_SIN serial input, RX */
1517        335, /* UART_SOUT serial output, TX */
1518};
1519
1520static const unsigned int uart_modem_3516_pins[] = {
1521        355, /* UART_NDCD DCD carrier detect */
1522        356, /* UART_NDTR DTR data terminal ready */
1523        377, /* UART_NDSR DSR data set ready */
1524        398, /* UART_NRTS RTS request to send */
1525        316, /* UART_NCTS CTS clear to send */
1526        399, /* UART_NRI RI ring indicator */
1527};
1528
1529static const unsigned int tvc_3516_pins[] = {
1530        353, /* TVC_DATA[0] */
1531        311, /* TVC_DATA[1] */
1532        394, /* TVC_DATA[2] */
1533        374, /* TVC_DATA[3] */
1534        333, /* TVC_CLK */
1535        354, /* TVC_DATA[4] */
1536        395, /* TVC_DATA[5] */
1537        312, /* TVC_DATA[6] */
1538        334, /* TVC_DATA[7] */
1539};
1540
1541/* NAND flash pins */
1542static const unsigned int nflash_3516_pins[] = {
1543        243, 260, 261, 224, 280, 262, 281, 264, 300, 263, 282, 301, 320, 283,
1544        302, 321, 337, 358, 295, 359, 339, 275, 298
1545};
1546
1547/* Parallel (NOR) flash pins, D[0-15], A[16-25], CE0, CE1, RB, WE, OE, ALE */
1548static const unsigned int pflash_3516_pins[] = {
1549        221, 200, 222, 201, 220, 243, 260, 261, 224, 280, 262, 281, 264, 300,
1550        263, 282, 301, 320, 283, 302, 321, 317, 379, 295, 359, 339, 297, 318,
1551        276, 319, 275, 298
1552};
1553
1554/*
1555 * The parallel flash can be set up in a 26-bit address bus mode exposing
1556 * A[0-15] (A[15] takes the place of ALE), but it has the
1557 * side effect of stealing pins from GMAC1 and TVC so these blocks cannot be
1558 * used at the same time.
1559 */
1560static const unsigned int pflash_3516_pins_extended[] = {
1561        221, 200, 222, 201, 220, 243, 260, 261, 224, 280, 262, 281, 264, 300,
1562        263, 282, 301, 320, 283, 302, 321, 317, 379, 295, 359, 339, 297, 318,
1563        276, 319, 275, 298,
1564        /* The extra pins */
1565        349, 308, 369, 389, 329, 350, 370, 309, 390, 391, 351, 310, 371, 330,
1566        333
1567};
1568
1569/* Serial flash pins CE0, CE1, DI, DO, CK */
1570static const unsigned int sflash_3516_pins[] = { 296, 338, 295, 359, 339 };
1571
1572/* The GPIO0A (0-4) pins overlap with TVC and extended parallel flash */
1573static const unsigned int gpio0a_3516_pins[] = { 333, 354, 395, 312, 334 };
1574
1575/* The GPIO0B (5-7) pins overlap with ICE */
1576static const unsigned int gpio0b_3516_pins[] = { 375, 396, 376 };
1577
1578/* The GPIO0C (8,11-15) pins overlap with LPC, UART and SSP */
1579static const unsigned int gpio0c_3516_pins[] = { 355, 356, 377, 398, 316, 399 };
1580
1581/* The GPIO0D (9,10) pins overlap with UART RX/TX */
1582static const unsigned int gpio0d_3516_pins[] = { 313, 335 };
1583
1584/* The GPIO0E (16) pins overlap with LCD */
1585static const unsigned int gpio0e_3516_pins[] = { 314 };
1586
1587/* The GPIO0F (17,18) pins overlap with NAND flash CE0, CE1 */
1588static const unsigned int gpio0f_3516_pins[] = { 337, 358 };
1589
1590/* The GPIO0G (19,20,26-29) pins overlap with parallel flash */
1591static const unsigned int gpio0g_3516_pins[] = { 317, 379, 297, 318, 276, 319 };
1592
1593/* The GPIO0H (21,22) pins overlap with serial flash CE0, CE1 */
1594static const unsigned int gpio0h_3516_pins[] = { 296, 338 };
1595
1596/* The GPIO0I (23) pins overlap with all flash */
1597static const unsigned int gpio0i_3516_pins[] = { 295 };
1598
1599/* The GPIO0J (24,25) pins overlap with all flash and LCD */
1600static const unsigned int gpio0j_3516_pins[] = { 359, 339 };
1601
1602/* The GPIO0K (30,31) pins overlap with NAND flash */
1603static const unsigned int gpio0k_3516_pins[] = { 275, 298 };
1604
1605/* The GPIO1A (0-4) pins that overlap with IDE and parallel flash */
1606static const unsigned int gpio1a_3516_pins[] = { 221, 200, 222, 201, 220 };
1607
1608/* The GPIO1B (5-10,27) pins overlap with just IDE */
1609static const unsigned int gpio1b_3516_pins[] = { 241, 223, 240, 204, 242, 244, 360 };
1610
1611/* The GPIO1C (11-26) pins overlap with IDE, parallel flash and NAND flash */
1612static const unsigned int gpio1c_3516_pins[] = {
1613        243, 260, 261, 224, 280, 262, 281, 264, 300, 263, 282, 301, 320, 283,
1614        302, 321
1615};
1616
1617/* The GPIO1D (28-31) pins overlap with TVC */
1618static const unsigned int gpio1d_3516_pins[] = { 353, 311, 394, 374 };
1619
1620/* The GPIO2A (0-3) pins overlap with GMII GMAC1 and extended parallel flash */
1621static const unsigned int gpio2a_3516_pins[] = { 308, 369, 389, 329 };
1622
1623/* The GPIO2B (4-7) pins overlap with GMII GMAC1, extended parallel flash and LCD */
1624static const unsigned int gpio2b_3516_pins[] = { 391, 351, 310, 371 };
1625
1626/* The GPIO2C (8-31) pins overlap with PCI */
1627static const unsigned int gpio2c_3516_pins[] = {
1628        259, 237, 238, 239, 215, 216, 217, 218, 177, 159, 158, 175, 176, 139,
1629        157, 138, 137, 156, 118, 155, 99, 98, 136, 117
1630};
1631
1632/* Groups for the 3516 SoC/package */
1633static const struct gemini_pin_group gemini_3516_pin_groups[] = {
1634        {
1635                .name = "gndgrp",
1636                .pins = gnd_3516_pins,
1637                .num_pins = ARRAY_SIZE(gnd_3516_pins),
1638        },
1639        {
1640                .name = "dramgrp",
1641                .pins = dram_3516_pins,
1642                .num_pins = ARRAY_SIZE(dram_3516_pins),
1643                .mask = DRAM_PADS_POWERDOWN,
1644        },
1645        {
1646                .name = "rtcgrp",
1647                .pins = rtc_3516_pins,
1648                .num_pins = ARRAY_SIZE(rtc_3516_pins),
1649        },
1650        {
1651                .name = "powergrp",
1652                .pins = power_3516_pins,
1653                .num_pins = ARRAY_SIZE(power_3516_pins),
1654        },
1655        {
1656                .name = "cirgrp",
1657                .pins = cir_3516_pins,
1658                .num_pins = ARRAY_SIZE(cir_3516_pins),
1659        },
1660        {
1661                .name = "systemgrp",
1662                .pins = system_3516_pins,
1663                .num_pins = ARRAY_SIZE(system_3516_pins),
1664        },
1665        {
1666                .name = "vcontrolgrp",
1667                .pins = vcontrol_3516_pins,
1668                .num_pins = ARRAY_SIZE(vcontrol_3516_pins),
1669        },
1670        {
1671                .name = "icegrp",
1672                .pins = ice_3516_pins,
1673                .num_pins = ARRAY_SIZE(ice_3516_pins),
1674                /* Conflict with some GPIO groups */
1675        },
1676        {
1677                .name = "idegrp",
1678                .pins = ide_3516_pins,
1679                .num_pins = ARRAY_SIZE(ide_3516_pins),
1680                /* Conflict with all flash usage */
1681                .value = IDE_PADS_ENABLE | NAND_PADS_DISABLE |
1682                        PFLASH_PADS_DISABLE | SFLASH_PADS_DISABLE,
1683                .driving_mask = GENMASK(21, 20),
1684        },
1685        {
1686                .name = "satagrp",
1687                .pins = sata_3516_pins,
1688                .num_pins = ARRAY_SIZE(sata_3516_pins),
1689        },
1690        {
1691                .name = "usbgrp",
1692                .pins = usb_3516_pins,
1693                .num_pins = ARRAY_SIZE(usb_3516_pins),
1694        },
1695        {
1696                .name = "gmii_gmac0_grp",
1697                .pins = gmii_gmac0_3516_pins,
1698                .num_pins = ARRAY_SIZE(gmii_gmac0_3516_pins),
1699                .driving_mask = GENMASK(17, 16),
1700        },
1701        {
1702                .name = "gmii_gmac1_grp",
1703                .pins = gmii_gmac1_3516_pins,
1704                .num_pins = ARRAY_SIZE(gmii_gmac1_3516_pins),
1705                /* Bring out RGMII on the GMAC1 pins */
1706                .value = GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
1707                .driving_mask = GENMASK(19, 18),
1708        },
1709        {
1710                .name = "pcigrp",
1711                .pins = pci_3516_pins,
1712                .num_pins = ARRAY_SIZE(pci_3516_pins),
1713                /* Conflict only with GPIO2 */
1714                .value = PCI_PADS_ENABLE | PCI_CLK_PAD_ENABLE,
1715                .driving_mask = GENMASK(23, 22),
1716        },
1717        {
1718                .name = "lpcgrp",
1719                .pins = lpc_3516_pins,
1720                .num_pins = ARRAY_SIZE(lpc_3516_pins),
1721                /* Conflict with SSP */
1722                .mask = SSP_PADS_ENABLE,
1723                .value = LPC_PADS_ENABLE | LPC_CLK_PAD_ENABLE,
1724        },
1725        {
1726                .name = "lcdgrp",
1727                .pins = lcd_3516_pins,
1728                .num_pins = ARRAY_SIZE(lcd_3516_pins),
1729                .mask = TVC_PADS_ENABLE,
1730                .value = LCD_PADS_ENABLE,
1731        },
1732        {
1733                .name = "sspgrp",
1734                .pins = ssp_3516_pins,
1735                .num_pins = ARRAY_SIZE(ssp_3516_pins),
1736                /* Conflict with LPC */
1737                .mask = LPC_PADS_ENABLE,
1738                .value = SSP_PADS_ENABLE,
1739        },
1740        {
1741                .name = "uartrxtxgrp",
1742                .pins = uart_rxtx_3516_pins,
1743                .num_pins = ARRAY_SIZE(uart_rxtx_3516_pins),
1744                /* No conflicts except GPIO */
1745        },
1746        {
1747                .name = "uartmodemgrp",
1748                .pins = uart_modem_3516_pins,
1749                .num_pins = ARRAY_SIZE(uart_modem_3516_pins),
1750                /*
1751                 * Conflict with LPC and SSP,
1752                 * so when those are both disabled, modem UART can thrive.
1753                 */
1754                .mask = LPC_PADS_ENABLE | SSP_PADS_ENABLE,
1755        },
1756        {
1757                .name = "tvcgrp",
1758                .pins = tvc_3516_pins,
1759                .num_pins = ARRAY_SIZE(tvc_3516_pins),
1760                /* Conflict with character LCD */
1761                .mask = LCD_PADS_ENABLE,
1762                .value = TVC_PADS_ENABLE | TVC_CLK_PAD_ENABLE,
1763        },
1764        /*
1765         * The construction is done such that it is possible to use a serial
1766         * flash together with a NAND or parallel (NOR) flash, but it is not
1767         * possible to use NAND and parallel flash together. To use serial
1768         * flash with one of the two others, the muxbits need to be flipped
1769         * around before any access.
1770         */
1771        {
1772                .name = "nflashgrp",
1773                .pins = nflash_3516_pins,
1774                .num_pins = ARRAY_SIZE(nflash_3516_pins),
1775                /* Conflict with IDE, parallel and serial flash */
1776                .mask = NAND_PADS_DISABLE | IDE_PADS_ENABLE,
1777                .value = PFLASH_PADS_DISABLE | SFLASH_PADS_DISABLE,
1778        },
1779        {
1780                .name = "pflashgrp",
1781                .pins = pflash_3516_pins,
1782                .num_pins = ARRAY_SIZE(pflash_3516_pins),
1783                /* Conflict with IDE, NAND and serial flash */
1784                .mask = PFLASH_PADS_DISABLE | IDE_PADS_ENABLE,
1785                .value = NAND_PADS_DISABLE | SFLASH_PADS_DISABLE,
1786        },
1787        {
1788                .name = "sflashgrp",
1789                .pins = sflash_3516_pins,
1790                .num_pins = ARRAY_SIZE(sflash_3516_pins),
1791                /* Conflict with IDE, NAND and parallel flash */
1792                .mask = SFLASH_PADS_DISABLE | IDE_PADS_ENABLE,
1793                .value = NAND_PADS_DISABLE | PFLASH_PADS_DISABLE,
1794        },
1795        {
1796                .name = "gpio0agrp",
1797                .pins = gpio0a_3516_pins,
1798                .num_pins = ARRAY_SIZE(gpio0a_3516_pins),
1799                /* Conflict with TVC and ICE */
1800                .mask = TVC_PADS_ENABLE,
1801        },
1802        {
1803                .name = "gpio0bgrp",
1804                .pins = gpio0b_3516_pins,
1805                .num_pins = ARRAY_SIZE(gpio0b_3516_pins),
1806                /* Conflict with ICE */
1807        },
1808        {
1809                .name = "gpio0cgrp",
1810                .pins = gpio0c_3516_pins,
1811                .num_pins = ARRAY_SIZE(gpio0c_3516_pins),
1812                /* Conflict with LPC, UART and SSP */
1813                .mask = LPC_PADS_ENABLE | SSP_PADS_ENABLE,
1814        },
1815        {
1816                .name = "gpio0dgrp",
1817                .pins = gpio0d_3516_pins,
1818                .num_pins = ARRAY_SIZE(gpio0d_3516_pins),
1819                /* Conflict with UART */
1820        },
1821        {
1822                .name = "gpio0egrp",
1823                .pins = gpio0e_3516_pins,
1824                .num_pins = ARRAY_SIZE(gpio0e_3516_pins),
1825                /* Conflict with LCD */
1826                .mask = LCD_PADS_ENABLE,
1827        },
1828        {
1829                .name = "gpio0fgrp",
1830                .pins = gpio0f_3516_pins,
1831                .num_pins = ARRAY_SIZE(gpio0f_3516_pins),
1832                /* Conflict with NAND flash */
1833                .value = NAND_PADS_DISABLE,
1834        },
1835        {
1836                .name = "gpio0ggrp",
1837                .pins = gpio0g_3516_pins,
1838                .num_pins = ARRAY_SIZE(gpio0g_3516_pins),
1839                /* Conflict with parallel flash */
1840                .value = PFLASH_PADS_DISABLE,
1841        },
1842        {
1843                .name = "gpio0hgrp",
1844                .pins = gpio0h_3516_pins,
1845                .num_pins = ARRAY_SIZE(gpio0h_3516_pins),
1846                /* Conflict with serial flash */
1847                .value = SFLASH_PADS_DISABLE,
1848        },
1849        {
1850                .name = "gpio0igrp",
1851                .pins = gpio0i_3516_pins,
1852                .num_pins = ARRAY_SIZE(gpio0i_3516_pins),
1853                /* Conflict with all flash */
1854                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE |
1855                        SFLASH_PADS_DISABLE,
1856        },
1857        {
1858                .name = "gpio0jgrp",
1859                .pins = gpio0j_3516_pins,
1860                .num_pins = ARRAY_SIZE(gpio0j_3516_pins),
1861                /* Conflict with all flash and LCD */
1862                .mask = LCD_PADS_ENABLE,
1863                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE |
1864                        SFLASH_PADS_DISABLE,
1865        },
1866        {
1867                .name = "gpio0kgrp",
1868                .pins = gpio0k_3516_pins,
1869                .num_pins = ARRAY_SIZE(gpio0k_3516_pins),
1870                /* Conflict with parallel and NAND flash */
1871                .value = PFLASH_PADS_DISABLE | NAND_PADS_DISABLE,
1872        },
1873        {
1874                .name = "gpio1agrp",
1875                .pins = gpio1a_3516_pins,
1876                .num_pins = ARRAY_SIZE(gpio1a_3516_pins),
1877                /* Conflict with IDE and parallel flash */
1878                .mask = IDE_PADS_ENABLE,
1879                .value = PFLASH_PADS_DISABLE,
1880        },
1881        {
1882                .name = "gpio1bgrp",
1883                .pins = gpio1b_3516_pins,
1884                .num_pins = ARRAY_SIZE(gpio1b_3516_pins),
1885                /* Conflict with IDE only */
1886                .mask = IDE_PADS_ENABLE,
1887        },
1888        {
1889                .name = "gpio1cgrp",
1890                .pins = gpio1c_3516_pins,
1891                .num_pins = ARRAY_SIZE(gpio1c_3516_pins),
1892                /* Conflict with IDE, parallel and NAND flash */
1893                .mask = IDE_PADS_ENABLE,
1894                .value = NAND_PADS_DISABLE | PFLASH_PADS_DISABLE,
1895        },
1896        {
1897                .name = "gpio1dgrp",
1898                .pins = gpio1d_3516_pins,
1899                .num_pins = ARRAY_SIZE(gpio1d_3516_pins),
1900                /* Conflict with TVC */
1901                .mask = TVC_PADS_ENABLE,
1902        },
1903        {
1904                .name = "gpio2agrp",
1905                .pins = gpio2a_3516_pins,
1906                .num_pins = ARRAY_SIZE(gpio2a_3516_pins),
1907                .mask = GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
1908                /* Conflict with GMII GMAC1 and extended parallel flash */
1909        },
1910        {
1911                .name = "gpio2bgrp",
1912                .pins = gpio2b_3516_pins,
1913                .num_pins = ARRAY_SIZE(gpio2b_3516_pins),
1914                /* Conflict with GMII GMAC1, extended parallel flash and LCD */
1915                .mask = LCD_PADS_ENABLE | GEMINI_GMAC_IOSEL_GMAC0_GMAC1_RGMII,
1916        },
1917        {
1918                .name = "gpio2cgrp",
1919                .pins = gpio2c_3516_pins,
1920                .num_pins = ARRAY_SIZE(gpio2c_3516_pins),
1921                /* Conflict with PCI */
1922                .mask = PCI_PADS_ENABLE,
1923        },
1924};
1925
1926static int gemini_get_groups_count(struct pinctrl_dev *pctldev)
1927{
1928        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
1929
1930        if (pmx->is_3512)
1931                return ARRAY_SIZE(gemini_3512_pin_groups);
1932        if (pmx->is_3516)
1933                return ARRAY_SIZE(gemini_3516_pin_groups);
1934        return 0;
1935}
1936
1937static const char *gemini_get_group_name(struct pinctrl_dev *pctldev,
1938                                         unsigned int selector)
1939{
1940        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
1941
1942        if (pmx->is_3512)
1943                return gemini_3512_pin_groups[selector].name;
1944        if (pmx->is_3516)
1945                return gemini_3516_pin_groups[selector].name;
1946        return NULL;
1947}
1948
1949static int gemini_get_group_pins(struct pinctrl_dev *pctldev,
1950                                 unsigned int selector,
1951                                 const unsigned int **pins,
1952                                 unsigned int *num_pins)
1953{
1954        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
1955
1956        /* The special case with the 3516 flash pin */
1957        if (pmx->flash_pin &&
1958            pmx->is_3512 &&
1959            !strcmp(gemini_3512_pin_groups[selector].name, "pflashgrp")) {
1960                *pins = pflash_3512_pins_extended;
1961                *num_pins = ARRAY_SIZE(pflash_3512_pins_extended);
1962                return 0;
1963        }
1964        if (pmx->flash_pin &&
1965            pmx->is_3516 &&
1966            !strcmp(gemini_3516_pin_groups[selector].name, "pflashgrp")) {
1967                *pins = pflash_3516_pins_extended;
1968                *num_pins = ARRAY_SIZE(pflash_3516_pins_extended);
1969                return 0;
1970        }
1971        if (pmx->is_3512) {
1972                *pins = gemini_3512_pin_groups[selector].pins;
1973                *num_pins = gemini_3512_pin_groups[selector].num_pins;
1974        }
1975        if (pmx->is_3516) {
1976                *pins = gemini_3516_pin_groups[selector].pins;
1977                *num_pins = gemini_3516_pin_groups[selector].num_pins;
1978        }
1979        return 0;
1980}
1981
1982static void gemini_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
1983                                unsigned int offset)
1984{
1985        seq_printf(s, " " DRIVER_NAME);
1986}
1987
1988static const struct pinctrl_ops gemini_pctrl_ops = {
1989        .get_groups_count = gemini_get_groups_count,
1990        .get_group_name = gemini_get_group_name,
1991        .get_group_pins = gemini_get_group_pins,
1992        .pin_dbg_show = gemini_pin_dbg_show,
1993        .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
1994        .dt_free_map = pinconf_generic_dt_free_map,
1995};
1996
1997/**
1998 * struct gemini_pmx_func - describes Gemini pinmux functions
1999 * @name: the name of this specific function
2000 * @groups: corresponding pin groups
2001 */
2002struct gemini_pmx_func {
2003        const char *name;
2004        const char * const *groups;
2005        const unsigned int num_groups;
2006};
2007
2008static const char * const dramgrps[] = { "dramgrp" };
2009static const char * const rtcgrps[] = { "rtcgrp" };
2010static const char * const powergrps[] = { "powergrp" };
2011static const char * const cirgrps[] = { "cirgrp" };
2012static const char * const systemgrps[] = { "systemgrp" };
2013static const char * const vcontrolgrps[] = { "vcontrolgrp" };
2014static const char * const icegrps[] = { "icegrp" };
2015static const char * const idegrps[] = { "idegrp" };
2016static const char * const satagrps[] = { "satagrp" };
2017static const char * const usbgrps[] = { "usbgrp" };
2018static const char * const gmiigrps[] = { "gmii_gmac0_grp", "gmii_gmac1_grp" };
2019static const char * const pcigrps[] = { "pcigrp" };
2020static const char * const lpcgrps[] = { "lpcgrp" };
2021static const char * const lcdgrps[] = { "lcdgrp" };
2022static const char * const sspgrps[] = { "sspgrp" };
2023static const char * const uartgrps[] = { "uartrxtxgrp", "uartmodemgrp" };
2024static const char * const tvcgrps[] = { "tvcgrp" };
2025static const char * const nflashgrps[] = { "nflashgrp" };
2026static const char * const pflashgrps[] = { "pflashgrp", "pflashextgrp" };
2027static const char * const sflashgrps[] = { "sflashgrp" };
2028static const char * const gpio0grps[] = { "gpio0agrp", "gpio0bgrp", "gpio0cgrp",
2029                                          "gpio0dgrp", "gpio0egrp", "gpio0fgrp",
2030                                          "gpio0ggrp", "gpio0hgrp", "gpio0igrp",
2031                                          "gpio0jgrp", "gpio0kgrp", "gpio0lgrp",
2032                                          "gpio0mgrp" };
2033static const char * const gpio1grps[] = { "gpio1agrp", "gpio1bgrp", "gpio1cgrp",
2034                                          "gpio1dgrp" };
2035static const char * const gpio2grps[] = { "gpio2agrp", "gpio2bgrp", "gpio2cgrp" };
2036
2037static const struct gemini_pmx_func gemini_pmx_functions[] = {
2038        {
2039                .name = "dram",
2040                .groups = dramgrps,
2041                .num_groups = ARRAY_SIZE(idegrps),
2042        },
2043        {
2044                .name = "rtc",
2045                .groups = rtcgrps,
2046                .num_groups = ARRAY_SIZE(rtcgrps),
2047        },
2048        {
2049                .name = "power",
2050                .groups = powergrps,
2051                .num_groups = ARRAY_SIZE(powergrps),
2052        },
2053        {
2054                /* This function is strictly unavailable on 3512 */
2055                .name = "cir",
2056                .groups = cirgrps,
2057                .num_groups = ARRAY_SIZE(cirgrps),
2058        },
2059        {
2060                .name = "system",
2061                .groups = systemgrps,
2062                .num_groups = ARRAY_SIZE(systemgrps),
2063        },
2064        {
2065                .name = "vcontrol",
2066                .groups = vcontrolgrps,
2067                .num_groups = ARRAY_SIZE(vcontrolgrps),
2068        },
2069        {
2070                .name = "ice",
2071                .groups = icegrps,
2072                .num_groups = ARRAY_SIZE(icegrps),
2073        },
2074        {
2075                .name = "ide",
2076                .groups = idegrps,
2077                .num_groups = ARRAY_SIZE(idegrps),
2078        },
2079        {
2080                .name = "sata",
2081                .groups = satagrps,
2082                .num_groups = ARRAY_SIZE(satagrps),
2083        },
2084        {
2085                .name = "usb",
2086                .groups = usbgrps,
2087                .num_groups = ARRAY_SIZE(usbgrps),
2088        },
2089        {
2090                .name = "gmii",
2091                .groups = gmiigrps,
2092                .num_groups = ARRAY_SIZE(gmiigrps),
2093        },
2094        {
2095                .name = "pci",
2096                .groups = pcigrps,
2097                .num_groups = ARRAY_SIZE(pcigrps),
2098        },
2099        {
2100                .name = "lpc",
2101                .groups = lpcgrps,
2102                .num_groups = ARRAY_SIZE(lpcgrps),
2103        },
2104        {
2105                .name = "lcd",
2106                .groups = lcdgrps,
2107                .num_groups = ARRAY_SIZE(lcdgrps),
2108        },
2109        {
2110                .name = "ssp",
2111                .groups = sspgrps,
2112                .num_groups = ARRAY_SIZE(sspgrps),
2113        },
2114        {
2115                .name = "uart",
2116                .groups = uartgrps,
2117                .num_groups = ARRAY_SIZE(uartgrps),
2118        },
2119        {
2120                .name = "tvc",
2121                .groups = tvcgrps,
2122                .num_groups = ARRAY_SIZE(tvcgrps),
2123        },
2124        {
2125                .name = "nflash",
2126                .groups = nflashgrps,
2127                .num_groups = ARRAY_SIZE(nflashgrps),
2128        },
2129        {
2130                .name = "pflash",
2131                .groups = pflashgrps,
2132                .num_groups = ARRAY_SIZE(pflashgrps),
2133        },
2134        {
2135                .name = "sflash",
2136                .groups = sflashgrps,
2137                .num_groups = ARRAY_SIZE(sflashgrps),
2138        },
2139        {
2140                .name = "gpio0",
2141                .groups = gpio0grps,
2142                .num_groups = ARRAY_SIZE(gpio0grps),
2143        },
2144        {
2145                .name = "gpio1",
2146                .groups = gpio1grps,
2147                .num_groups = ARRAY_SIZE(gpio1grps),
2148        },
2149        {
2150                .name = "gpio2",
2151                .groups = gpio2grps,
2152                .num_groups = ARRAY_SIZE(gpio2grps),
2153        },
2154};
2155
2156
2157static int gemini_pmx_set_mux(struct pinctrl_dev *pctldev,
2158                              unsigned int selector,
2159                              unsigned int group)
2160{
2161        struct gemini_pmx *pmx;
2162        const struct gemini_pmx_func *func;
2163        const struct gemini_pin_group *grp;
2164        u32 before, after, expected;
2165        unsigned long tmp;
2166        int i;
2167
2168        pmx = pinctrl_dev_get_drvdata(pctldev);
2169
2170        func = &gemini_pmx_functions[selector];
2171        if (pmx->is_3512)
2172                grp = &gemini_3512_pin_groups[group];
2173        else if (pmx->is_3516)
2174                grp = &gemini_3516_pin_groups[group];
2175        else {
2176                dev_err(pmx->dev, "invalid SoC type\n");
2177                return -ENODEV;
2178        }
2179
2180        dev_info(pmx->dev,
2181                 "ACTIVATE function \"%s\" with group \"%s\"\n",
2182                 func->name, grp->name);
2183
2184        regmap_read(pmx->map, GLOBAL_MISC_CTRL, &before);
2185        regmap_update_bits(pmx->map, GLOBAL_MISC_CTRL, grp->mask,
2186                           grp->value);
2187        regmap_read(pmx->map, GLOBAL_MISC_CTRL, &after);
2188
2189        /* Which bits changed */
2190        before &= PADS_MASK;
2191        after &= PADS_MASK;
2192        expected = before &= ~grp->mask;
2193        expected |= grp->value;
2194        expected &= PADS_MASK;
2195
2196        /* Print changed states */
2197        tmp = grp->mask;
2198        for_each_set_bit(i, &tmp, PADS_MAXBIT) {
2199                bool enabled = !(i > 3);
2200
2201                /* Did not go low though it should */
2202                if (after & BIT(i)) {
2203                        dev_err(pmx->dev,
2204                                "pin group %s could not be %s: "
2205                                "probably a hardware limitation\n",
2206                                gemini_padgroups[i],
2207                                enabled ? "enabled" : "disabled");
2208                        dev_err(pmx->dev,
2209                                "GLOBAL MISC CTRL before: %08x, after %08x, expected %08x\n",
2210                                before, after, expected);
2211                } else {
2212                        dev_info(pmx->dev,
2213                                 "padgroup %s %s\n",
2214                                 gemini_padgroups[i],
2215                                 enabled ? "enabled" : "disabled");
2216                }
2217        }
2218
2219        tmp = grp->value;
2220        for_each_set_bit(i, &tmp, PADS_MAXBIT) {
2221                bool enabled = (i > 3);
2222
2223                /* Did not go high though it should */
2224                if (!(after & BIT(i))) {
2225                        dev_err(pmx->dev,
2226                                "pin group %s could not be %s: "
2227                                "probably a hardware limitation\n",
2228                                gemini_padgroups[i],
2229                                enabled ? "enabled" : "disabled");
2230                        dev_err(pmx->dev,
2231                                "GLOBAL MISC CTRL before: %08x, after %08x, expected %08x\n",
2232                                before, after, expected);
2233                } else {
2234                        dev_info(pmx->dev,
2235                                 "padgroup %s %s\n",
2236                                 gemini_padgroups[i],
2237                                 enabled ? "enabled" : "disabled");
2238                }
2239        }
2240
2241        return 0;
2242}
2243
2244static int gemini_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
2245{
2246        return ARRAY_SIZE(gemini_pmx_functions);
2247}
2248
2249static const char *gemini_pmx_get_func_name(struct pinctrl_dev *pctldev,
2250                                            unsigned int selector)
2251{
2252        return gemini_pmx_functions[selector].name;
2253}
2254
2255static int gemini_pmx_get_groups(struct pinctrl_dev *pctldev,
2256                                 unsigned int selector,
2257                                 const char * const **groups,
2258                                 unsigned int * const num_groups)
2259{
2260        *groups = gemini_pmx_functions[selector].groups;
2261        *num_groups = gemini_pmx_functions[selector].num_groups;
2262        return 0;
2263}
2264
2265static const struct pinmux_ops gemini_pmx_ops = {
2266        .get_functions_count = gemini_pmx_get_funcs_count,
2267        .get_function_name = gemini_pmx_get_func_name,
2268        .get_function_groups = gemini_pmx_get_groups,
2269        .set_mux = gemini_pmx_set_mux,
2270};
2271
2272#define GEMINI_CFGPIN(_n, _r, _lb, _hb) {       \
2273        .pin = _n,                              \
2274        .reg = _r,                              \
2275        .mask = GENMASK(_hb, _lb)               \
2276}
2277
2278static const struct gemini_pin_conf gemini_confs_3512[] = {
2279        GEMINI_CFGPIN(259, GLOBAL_GMAC_CTRL_SKEW, 0, 3), /* GMAC0 RXDV */
2280        GEMINI_CFGPIN(277, GLOBAL_GMAC_CTRL_SKEW, 4, 7), /* GMAC0 RXC */
2281        GEMINI_CFGPIN(241, GLOBAL_GMAC_CTRL_SKEW, 8, 11), /* GMAC0 TXEN */
2282        GEMINI_CFGPIN(312, GLOBAL_GMAC_CTRL_SKEW, 12, 15), /* GMAC0 TXC */
2283        GEMINI_CFGPIN(298, GLOBAL_GMAC_CTRL_SKEW, 16, 19), /* GMAC1 RXDV */
2284        GEMINI_CFGPIN(280, GLOBAL_GMAC_CTRL_SKEW, 20, 23), /* GMAC1 RXC */
2285        GEMINI_CFGPIN(316, GLOBAL_GMAC_CTRL_SKEW, 24, 27), /* GMAC1 TXEN */
2286        GEMINI_CFGPIN(243, GLOBAL_GMAC_CTRL_SKEW, 28, 31), /* GMAC1 TXC */
2287        GEMINI_CFGPIN(295, GLOBAL_GMAC0_DATA_SKEW, 0, 3), /* GMAC0 RXD0 */
2288        GEMINI_CFGPIN(313, GLOBAL_GMAC0_DATA_SKEW, 4, 7), /* GMAC0 RXD1 */
2289        GEMINI_CFGPIN(242, GLOBAL_GMAC0_DATA_SKEW, 8, 11), /* GMAC0 RXD2 */
2290        GEMINI_CFGPIN(260, GLOBAL_GMAC0_DATA_SKEW, 12, 15), /* GMAC0 RXD3 */
2291        GEMINI_CFGPIN(294, GLOBAL_GMAC0_DATA_SKEW, 16, 19), /* GMAC0 TXD0 */
2292        GEMINI_CFGPIN(276, GLOBAL_GMAC0_DATA_SKEW, 20, 23), /* GMAC0 TXD1 */
2293        GEMINI_CFGPIN(258, GLOBAL_GMAC0_DATA_SKEW, 24, 27), /* GMAC0 TXD2 */
2294        GEMINI_CFGPIN(240, GLOBAL_GMAC0_DATA_SKEW, 28, 31), /* GMAC0 TXD3 */
2295        GEMINI_CFGPIN(262, GLOBAL_GMAC1_DATA_SKEW, 0, 3), /* GMAC1 RXD0 */
2296        GEMINI_CFGPIN(244, GLOBAL_GMAC1_DATA_SKEW, 4, 7), /* GMAC1 RXD1 */
2297        GEMINI_CFGPIN(317, GLOBAL_GMAC1_DATA_SKEW, 8, 11), /* GMAC1 RXD2 */
2298        GEMINI_CFGPIN(299, GLOBAL_GMAC1_DATA_SKEW, 12, 15), /* GMAC1 RXD3 */
2299        GEMINI_CFGPIN(261, GLOBAL_GMAC1_DATA_SKEW, 16, 19), /* GMAC1 TXD0 */
2300        GEMINI_CFGPIN(279, GLOBAL_GMAC1_DATA_SKEW, 20, 23), /* GMAC1 TXD1 */
2301        GEMINI_CFGPIN(297, GLOBAL_GMAC1_DATA_SKEW, 24, 27), /* GMAC1 TXD2 */
2302        GEMINI_CFGPIN(315, GLOBAL_GMAC1_DATA_SKEW, 28, 31), /* GMAC1 TXD3 */
2303};
2304
2305static const struct gemini_pin_conf gemini_confs_3516[] = {
2306        GEMINI_CFGPIN(347, GLOBAL_GMAC_CTRL_SKEW, 0, 3), /* GMAC0 RXDV */
2307        GEMINI_CFGPIN(386, GLOBAL_GMAC_CTRL_SKEW, 4, 7), /* GMAC0 RXC */
2308        GEMINI_CFGPIN(307, GLOBAL_GMAC_CTRL_SKEW, 8, 11), /* GMAC0 TXEN */
2309        GEMINI_CFGPIN(327, GLOBAL_GMAC_CTRL_SKEW, 12, 15), /* GMAC0 TXC */
2310        GEMINI_CFGPIN(309, GLOBAL_GMAC_CTRL_SKEW, 16, 19), /* GMAC1 RXDV */
2311        GEMINI_CFGPIN(390, GLOBAL_GMAC_CTRL_SKEW, 20, 23), /* GMAC1 RXC */
2312        GEMINI_CFGPIN(370, GLOBAL_GMAC_CTRL_SKEW, 24, 27), /* GMAC1 TXEN */
2313        GEMINI_CFGPIN(350, GLOBAL_GMAC_CTRL_SKEW, 28, 31), /* GMAC1 TXC */
2314        GEMINI_CFGPIN(367, GLOBAL_GMAC0_DATA_SKEW, 0, 3), /* GMAC0 RXD0 */
2315        GEMINI_CFGPIN(348, GLOBAL_GMAC0_DATA_SKEW, 4, 7), /* GMAC0 RXD1 */
2316        GEMINI_CFGPIN(387, GLOBAL_GMAC0_DATA_SKEW, 8, 11), /* GMAC0 RXD2 */
2317        GEMINI_CFGPIN(328, GLOBAL_GMAC0_DATA_SKEW, 12, 15), /* GMAC0 RXD3 */
2318        GEMINI_CFGPIN(306, GLOBAL_GMAC0_DATA_SKEW, 16, 19), /* GMAC0 TXD0 */
2319        GEMINI_CFGPIN(325, GLOBAL_GMAC0_DATA_SKEW, 20, 23), /* GMAC0 TXD1 */
2320        GEMINI_CFGPIN(346, GLOBAL_GMAC0_DATA_SKEW, 24, 27), /* GMAC0 TXD2 */
2321        GEMINI_CFGPIN(326, GLOBAL_GMAC0_DATA_SKEW, 28, 31), /* GMAC0 TXD3 */
2322        GEMINI_CFGPIN(391, GLOBAL_GMAC1_DATA_SKEW, 0, 3), /* GMAC1 RXD0 */
2323        GEMINI_CFGPIN(351, GLOBAL_GMAC1_DATA_SKEW, 4, 7), /* GMAC1 RXD1 */
2324        GEMINI_CFGPIN(310, GLOBAL_GMAC1_DATA_SKEW, 8, 11), /* GMAC1 RXD2 */
2325        GEMINI_CFGPIN(371, GLOBAL_GMAC1_DATA_SKEW, 12, 15), /* GMAC1 RXD3 */
2326        GEMINI_CFGPIN(329, GLOBAL_GMAC1_DATA_SKEW, 16, 19), /* GMAC1 TXD0 */
2327        GEMINI_CFGPIN(389, GLOBAL_GMAC1_DATA_SKEW, 20, 23), /* GMAC1 TXD1 */
2328        GEMINI_CFGPIN(369, GLOBAL_GMAC1_DATA_SKEW, 24, 27), /* GMAC1 TXD2 */
2329        GEMINI_CFGPIN(308, GLOBAL_GMAC1_DATA_SKEW, 28, 31), /* GMAC1 TXD3 */
2330};
2331
2332static const struct gemini_pin_conf *gemini_get_pin_conf(struct gemini_pmx *pmx,
2333                                                         unsigned int pin)
2334{
2335        const struct gemini_pin_conf *retconf;
2336        int i;
2337
2338        for (i = 0; i < pmx->nconfs; i++) {
2339                retconf = &pmx->confs[i];
2340                if (retconf->pin == pin)
2341                        return retconf;
2342        }
2343        return NULL;
2344}
2345
2346static int gemini_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
2347                              unsigned long *config)
2348{
2349        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
2350        enum pin_config_param param = pinconf_to_config_param(*config);
2351        const struct gemini_pin_conf *conf;
2352        u32 val;
2353
2354        switch (param) {
2355        case PIN_CONFIG_SKEW_DELAY:
2356                conf = gemini_get_pin_conf(pmx, pin);
2357                if (!conf)
2358                        return -ENOTSUPP;
2359                regmap_read(pmx->map, conf->reg, &val);
2360                val &= conf->mask;
2361                val >>= (ffs(conf->mask) - 1);
2362                *config = pinconf_to_config_packed(PIN_CONFIG_SKEW_DELAY, val);
2363                break;
2364        default:
2365                return -ENOTSUPP;
2366        }
2367
2368        return 0;
2369}
2370
2371static int gemini_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
2372                              unsigned long *configs, unsigned int num_configs)
2373{
2374        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
2375        const struct gemini_pin_conf *conf;
2376        enum pin_config_param param;
2377        u32 arg;
2378        int ret = 0;
2379        int i;
2380
2381        for (i = 0; i < num_configs; i++) {
2382                param = pinconf_to_config_param(configs[i]);
2383                arg = pinconf_to_config_argument(configs[i]);
2384
2385                switch (param) {
2386                case PIN_CONFIG_SKEW_DELAY:
2387                        if (arg > 0xf)
2388                                return -EINVAL;
2389                        conf = gemini_get_pin_conf(pmx, pin);
2390                        if (!conf) {
2391                                dev_err(pmx->dev,
2392                                        "invalid pin for skew delay %d\n", pin);
2393                                return -ENOTSUPP;
2394                        }
2395                        arg <<= (ffs(conf->mask) - 1);
2396                        dev_dbg(pmx->dev,
2397                                "set pin %d to skew delay mask %08x, val %08x\n",
2398                                pin, conf->mask, arg);
2399                        regmap_update_bits(pmx->map, conf->reg, conf->mask, arg);
2400                        break;
2401                default:
2402                        dev_err(pmx->dev, "Invalid config param %04x\n", param);
2403                        return -ENOTSUPP;
2404                }
2405        }
2406
2407        return ret;
2408}
2409
2410static int gemini_pinconf_group_set(struct pinctrl_dev *pctldev,
2411                                    unsigned selector,
2412                                    unsigned long *configs,
2413                                    unsigned num_configs)
2414{
2415        struct gemini_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
2416        const struct gemini_pin_group *grp = NULL;
2417        enum pin_config_param param;
2418        u32 arg;
2419        u32 val;
2420        int i;
2421
2422        if (pmx->is_3512)
2423                grp = &gemini_3512_pin_groups[selector];
2424        if (pmx->is_3516)
2425                grp = &gemini_3516_pin_groups[selector];
2426
2427        /* First figure out if this group supports configs */
2428        if (!grp->driving_mask) {
2429                dev_err(pmx->dev, "pin config group \"%s\" does "
2430                        "not support drive strength setting\n",
2431                        grp->name);
2432                return -EINVAL;
2433        }
2434
2435        for (i = 0; i < num_configs; i++) {
2436                param = pinconf_to_config_param(configs[i]);
2437                arg = pinconf_to_config_argument(configs[i]);
2438
2439                switch (param) {
2440                case PIN_CONFIG_DRIVE_STRENGTH:
2441                        switch (arg) {
2442                        case 4:
2443                                val = 0;
2444                                break;
2445                        case 8:
2446                                val = 1;
2447                                break;
2448                        case 12:
2449                                val = 2;
2450                                break;
2451                        case 16:
2452                                val = 3;
2453                                break;
2454                        default:
2455                                dev_err(pmx->dev,
2456                                        "invalid drive strength %d mA\n",
2457                                        arg);
2458                                return -ENOTSUPP;
2459                        }
2460                        val <<= (ffs(grp->driving_mask) - 1);
2461                        regmap_update_bits(pmx->map, GLOBAL_IODRIVE,
2462                                           grp->driving_mask,
2463                                           val);
2464                        dev_info(pmx->dev,
2465                                 "set group %s to %d mA drive strength mask %08x val %08x\n",
2466                                 grp->name, arg, grp->driving_mask, val);
2467                        break;
2468                default:
2469                        dev_err(pmx->dev, "invalid config param %04x\n", param);
2470                        return -ENOTSUPP;
2471                }
2472        }
2473
2474        return 0;
2475}
2476
2477static const struct pinconf_ops gemini_pinconf_ops = {
2478        .pin_config_get = gemini_pinconf_get,
2479        .pin_config_set = gemini_pinconf_set,
2480        .pin_config_group_set = gemini_pinconf_group_set,
2481        .is_generic = true,
2482};
2483
2484static struct pinctrl_desc gemini_pmx_desc = {
2485        .name = DRIVER_NAME,
2486        .pctlops = &gemini_pctrl_ops,
2487        .pmxops = &gemini_pmx_ops,
2488        .confops = &gemini_pinconf_ops,
2489        .owner = THIS_MODULE,
2490};
2491
2492static int gemini_pmx_probe(struct platform_device *pdev)
2493{
2494        struct gemini_pmx *pmx;
2495        struct regmap *map;
2496        struct device *dev = &pdev->dev;
2497        struct device *parent;
2498        unsigned long tmp;
2499        u32 val;
2500        int ret;
2501        int i;
2502
2503        /* Create state holders etc for this driver */
2504        pmx = devm_kzalloc(&pdev->dev, sizeof(*pmx), GFP_KERNEL);
2505        if (!pmx)
2506                return -ENOMEM;
2507
2508        pmx->dev = &pdev->dev;
2509        parent = dev->parent;
2510        if (!parent) {
2511                dev_err(dev, "no parent to pin controller\n");
2512                return -ENODEV;
2513        }
2514        map = syscon_node_to_regmap(parent->of_node);
2515        if (IS_ERR(map)) {
2516                dev_err(dev, "no syscon regmap\n");
2517                return PTR_ERR(map);
2518        }
2519        pmx->map = map;
2520
2521        /* Check that regmap works at first call, then no more */
2522        ret = regmap_read(map, GLOBAL_WORD_ID, &val);
2523        if (ret) {
2524                dev_err(dev, "cannot access regmap\n");
2525                return ret;
2526        }
2527        val >>= 8;
2528        val &= 0xffff;
2529        if (val == 0x3512) {
2530                pmx->is_3512 = true;
2531                pmx->confs = gemini_confs_3512;
2532                pmx->nconfs = ARRAY_SIZE(gemini_confs_3512);
2533                gemini_pmx_desc.pins = gemini_3512_pins;
2534                gemini_pmx_desc.npins = ARRAY_SIZE(gemini_3512_pins);
2535                dev_info(dev, "detected 3512 chip variant\n");
2536        } else if (val == 0x3516) {
2537                pmx->is_3516 = true;
2538                pmx->confs = gemini_confs_3516;
2539                pmx->nconfs = ARRAY_SIZE(gemini_confs_3516);
2540                gemini_pmx_desc.pins = gemini_3516_pins;
2541                gemini_pmx_desc.npins = ARRAY_SIZE(gemini_3516_pins);
2542                dev_info(dev, "detected 3516 chip variant\n");
2543        } else {
2544                dev_err(dev, "unknown chip ID: %04x\n", val);
2545                return -ENODEV;
2546        }
2547
2548        ret = regmap_read(map, GLOBAL_MISC_CTRL, &val);
2549        dev_info(dev, "GLOBAL MISC CTRL at boot: 0x%08x\n", val);
2550        /* Mask off relevant pads */
2551        val &= PADS_MASK;
2552        /* Invert the meaning of the DRAM+flash pads */
2553        val ^= 0x0f;
2554        /* Print initial state */
2555        tmp = val;
2556        for_each_set_bit(i, &tmp, PADS_MAXBIT) {
2557                dev_info(dev, "pad group %s %s\n", gemini_padgroups[i],
2558                         (val & BIT(i)) ? "enabled" : "disabled");
2559        }
2560
2561        /* Check if flash pin is set */
2562        regmap_read(map, GLOBAL_STATUS, &val);
2563        pmx->flash_pin = !!(val & GLOBAL_STATUS_FLPIN);
2564        dev_info(dev, "flash pin is %s\n", pmx->flash_pin ? "set" : "not set");
2565
2566        pmx->pctl = devm_pinctrl_register(dev, &gemini_pmx_desc, pmx);
2567        if (IS_ERR(pmx->pctl)) {
2568                dev_err(dev, "could not register pinmux driver\n");
2569                return PTR_ERR(pmx->pctl);
2570        }
2571
2572        dev_info(dev, "initialized Gemini pin control driver\n");
2573
2574        return 0;
2575}
2576
2577static const struct of_device_id gemini_pinctrl_match[] = {
2578        { .compatible = "cortina,gemini-pinctrl" },
2579        {},
2580};
2581
2582static struct platform_driver gemini_pmx_driver = {
2583        .driver = {
2584                .name = DRIVER_NAME,
2585                .of_match_table = gemini_pinctrl_match,
2586        },
2587        .probe = gemini_pmx_probe,
2588};
2589
2590static int __init gemini_pmx_init(void)
2591{
2592        return platform_driver_register(&gemini_pmx_driver);
2593}
2594arch_initcall(gemini_pmx_init);
2595