drivers/pinctrl/pinctrl-amd.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * GPIO driver for AMD
   4  *
   5  * Copyright (c) 2014,2015 Ken Xue <Ken.Xue@amd.com>
   6  *              Jeff Wu <Jeff.Wu@amd.com>
   7  */
   8
   9 #ifndef _PINCTRL_AMD_H
  10 #define _PINCTRL_AMD_H
  11
  12 #define AMD_GPIO_PINS_PER_BANK  64
  13
  14 #define AMD_GPIO_PINS_BANK0     63
  15 #define AMD_GPIO_PINS_BANK1     64
  16 #define AMD_GPIO_PINS_BANK2     56
  17 #define AMD_GPIO_PINS_BANK3     32
  18
  19 #define WAKE_INT_MASTER_REG 0xfc
  20 #define EOI_MASK (1 << 29)
  21
  22 #define WAKE_INT_STATUS_REG0 0x2f8
  23 #define WAKE_INT_STATUS_REG1 0x2fc
  24
  25 #define DB_TMR_OUT_OFF                  0
  26 #define DB_TMR_OUT_UNIT_OFF             4
  27 #define DB_CNTRL_OFF                    5
  28 #define DB_TMR_LARGE_OFF                7
  29 #define LEVEL_TRIG_OFF                  8
  30 #define ACTIVE_LEVEL_OFF                9
  31 #define INTERRUPT_ENABLE_OFF            11
  32 #define INTERRUPT_MASK_OFF              12
  33 #define WAKE_CNTRL_OFF_S0I3             13
  34 #define WAKE_CNTRL_OFF_S3               14
  35 #define WAKE_CNTRL_OFF_S4               15
  36 #define PIN_STS_OFF                     16
  37 #define DRV_STRENGTH_SEL_OFF            17
  38 #define PULL_UP_SEL_OFF                 19
  39 #define PULL_UP_ENABLE_OFF              20
  40 #define PULL_DOWN_ENABLE_OFF            21
  41 #define OUTPUT_VALUE_OFF                22
  42 #define OUTPUT_ENABLE_OFF               23
  43 #define SW_CNTRL_IN_OFF                 24
  44 #define SW_CNTRL_EN_OFF                 25
  45 #define INTERRUPT_STS_OFF               28
  46 #define WAKE_STS_OFF                    29
  47
  48 #define DB_TMR_OUT_MASK 0xFUL
  49 #define DB_CNTRl_MASK   0x3UL
  50 #define ACTIVE_LEVEL_MASK       0x3UL
  51 #define DRV_STRENGTH_SEL_MASK   0x3UL
  52
  53 #define ACTIVE_LEVEL_HIGH       0x0UL
  54 #define ACTIVE_LEVEL_LOW        0x1UL
  55 #define ACTIVE_LEVEL_BOTH       0x2UL
  56
  57 #define DB_TYPE_NO_DEBOUNCE               0x0UL
  58 #define DB_TYPE_PRESERVE_LOW_GLITCH       0x1UL
  59 #define DB_TYPE_PRESERVE_HIGH_GLITCH      0x2UL
  60 #define DB_TYPE_REMOVE_GLITCH             0x3UL
  61
  62 #define EDGE_TRAGGER    0x0UL
  63 #define LEVEL_TRIGGER   0x1UL
  64
  65 #define ACTIVE_HIGH     0x0UL
  66 #define ACTIVE_LOW      0x1UL
  67 #define BOTH_EADGE      0x2UL
  68
  69 #define ENABLE_INTERRUPT        0x1UL
  70 #define DISABLE_INTERRUPT       0x0UL
  71
  72 #define ENABLE_INTERRUPT_MASK   0x0UL
  73 #define DISABLE_INTERRUPT_MASK  0x1UL
  74
  75 #define CLR_INTR_STAT   0x1UL
  76
  77 struct amd_pingroup {
  78         const char *name;
  79         const unsigned *pins;
  80         unsigned npins;
  81 };
  82
  83 struct amd_function {
  84         const char *name;
  85         const char * const *groups;
  86         unsigned ngroups;
  87 };
  88
  89 struct amd_gpio {
  90         raw_spinlock_t          lock;
  91         void __iomem            *base;
  92
  93         const struct amd_pingroup *groups;
  94         u32 ngroups;
  95         struct pinctrl_dev *pctrl;
  96         struct gpio_chip        gc;
  97         unsigned int            hwbank_num;
  98         struct resource         *res;
  99         struct platform_device  *pdev;
 100         u32                     *saved_regs;
 101 };
 102
 103 /*  KERNCZ configuration*/
 104 static const struct pinctrl_pin_desc kerncz_pins[] = {
 105         PINCTRL_PIN(0, "GPIO_0"),
 106         PINCTRL_PIN(1, "GPIO_1"),
 107         PINCTRL_PIN(2, "GPIO_2"),
 108         PINCTRL_PIN(3, "GPIO_3"),
 109         PINCTRL_PIN(4, "GPIO_4"),
 110         PINCTRL_PIN(5, "GPIO_5"),
 111         PINCTRL_PIN(6, "GPIO_6"),
 112         PINCTRL_PIN(7, "GPIO_7"),
 113         PINCTRL_PIN(8, "GPIO_8"),
 114         PINCTRL_PIN(9, "GPIO_9"),
 115         PINCTRL_PIN(10, "GPIO_10"),
 116         PINCTRL_PIN(11, "GPIO_11"),
 117         PINCTRL_PIN(12, "GPIO_12"),
 118         PINCTRL_PIN(13, "GPIO_13"),
 119         PINCTRL_PIN(14, "GPIO_14"),
 120         PINCTRL_PIN(15, "GPIO_15"),
 121         PINCTRL_PIN(16, "GPIO_16"),
 122         PINCTRL_PIN(17, "GPIO_17"),
 123         PINCTRL_PIN(18, "GPIO_18"),
 124         PINCTRL_PIN(19, "GPIO_19"),
 125         PINCTRL_PIN(20, "GPIO_20"),
 126         PINCTRL_PIN(21, "GPIO_21"),
 127         PINCTRL_PIN(22, "GPIO_22"),
 128         PINCTRL_PIN(23, "GPIO_23"),
 129         PINCTRL_PIN(24, "GPIO_24"),
 130         PINCTRL_PIN(25, "GPIO_25"),
 131         PINCTRL_PIN(26, "GPIO_26"),
 132         PINCTRL_PIN(27, "GPIO_27"),
 133         PINCTRL_PIN(28, "GPIO_28"),
 134         PINCTRL_PIN(29, "GPIO_29"),
 135         PINCTRL_PIN(30, "GPIO_30"),
 136         PINCTRL_PIN(31, "GPIO_31"),
 137         PINCTRL_PIN(32, "GPIO_32"),
 138         PINCTRL_PIN(33, "GPIO_33"),
 139         PINCTRL_PIN(34, "GPIO_34"),
 140         PINCTRL_PIN(35, "GPIO_35"),
 141         PINCTRL_PIN(36, "GPIO_36"),
 142         PINCTRL_PIN(37, "GPIO_37"),
 143         PINCTRL_PIN(38, "GPIO_38"),
 144         PINCTRL_PIN(39, "GPIO_39"),
 145         PINCTRL_PIN(40, "GPIO_40"),
 146         PINCTRL_PIN(41, "GPIO_41"),
 147         PINCTRL_PIN(42, "GPIO_42"),
 148         PINCTRL_PIN(43, "GPIO_43"),
 149         PINCTRL_PIN(44, "GPIO_44"),
 150         PINCTRL_PIN(45, "GPIO_45"),
 151         PINCTRL_PIN(46, "GPIO_46"),
 152         PINCTRL_PIN(47, "GPIO_47"),
 153         PINCTRL_PIN(48, "GPIO_48"),
 154         PINCTRL_PIN(49, "GPIO_49"),
 155         PINCTRL_PIN(50, "GPIO_50"),
 156         PINCTRL_PIN(51, "GPIO_51"),
 157         PINCTRL_PIN(52, "GPIO_52"),
 158         PINCTRL_PIN(53, "GPIO_53"),
 159         PINCTRL_PIN(54, "GPIO_54"),
 160         PINCTRL_PIN(55, "GPIO_55"),
 161         PINCTRL_PIN(56, "GPIO_56"),
 162         PINCTRL_PIN(57, "GPIO_57"),
 163         PINCTRL_PIN(58, "GPIO_58"),
 164         PINCTRL_PIN(59, "GPIO_59"),
 165         PINCTRL_PIN(60, "GPIO_60"),
 166         PINCTRL_PIN(61, "GPIO_61"),
 167         PINCTRL_PIN(62, "GPIO_62"),
 168         PINCTRL_PIN(64, "GPIO_64"),
 169         PINCTRL_PIN(65, "GPIO_65"),
 170         PINCTRL_PIN(66, "GPIO_66"),
 171         PINCTRL_PIN(67, "GPIO_67"),
 172         PINCTRL_PIN(68, "GPIO_68"),
 173         PINCTRL_PIN(69, "GPIO_69"),
 174         PINCTRL_PIN(70, "GPIO_70"),
 175         PINCTRL_PIN(71, "GPIO_71"),
 176         PINCTRL_PIN(72, "GPIO_72"),
 177         PINCTRL_PIN(73, "GPIO_73"),
 178         PINCTRL_PIN(74, "GPIO_74"),
 179         PINCTRL_PIN(75, "GPIO_75"),
 180         PINCTRL_PIN(76, "GPIO_76"),
 181         PINCTRL_PIN(77, "GPIO_77"),
 182         PINCTRL_PIN(78, "GPIO_78"),
 183         PINCTRL_PIN(79, "GPIO_79"),
 184         PINCTRL_PIN(80, "GPIO_80"),
 185         PINCTRL_PIN(81, "GPIO_81"),
 186         PINCTRL_PIN(82, "GPIO_82"),
 187         PINCTRL_PIN(83, "GPIO_83"),
 188         PINCTRL_PIN(84, "GPIO_84"),
 189         PINCTRL_PIN(85, "GPIO_85"),
 190         PINCTRL_PIN(86, "GPIO_86"),
 191         PINCTRL_PIN(87, "GPIO_87"),
 192         PINCTRL_PIN(88, "GPIO_88"),
 193         PINCTRL_PIN(89, "GPIO_89"),
 194         PINCTRL_PIN(90, "GPIO_90"),
 195         PINCTRL_PIN(91, "GPIO_91"),
 196         PINCTRL_PIN(92, "GPIO_92"),
 197         PINCTRL_PIN(93, "GPIO_93"),
 198         PINCTRL_PIN(94, "GPIO_94"),
 199         PINCTRL_PIN(95, "GPIO_95"),
 200         PINCTRL_PIN(96, "GPIO_96"),
 201         PINCTRL_PIN(97, "GPIO_97"),
 202         PINCTRL_PIN(98, "GPIO_98"),
 203         PINCTRL_PIN(99, "GPIO_99"),
 204         PINCTRL_PIN(100, "GPIO_100"),
 205         PINCTRL_PIN(101, "GPIO_101"),
 206         PINCTRL_PIN(102, "GPIO_102"),
 207         PINCTRL_PIN(103, "GPIO_103"),
 208         PINCTRL_PIN(104, "GPIO_104"),
 209         PINCTRL_PIN(105, "GPIO_105"),
 210         PINCTRL_PIN(106, "GPIO_106"),
 211         PINCTRL_PIN(107, "GPIO_107"),
 212         PINCTRL_PIN(108, "GPIO_108"),
 213         PINCTRL_PIN(109, "GPIO_109"),
 214         PINCTRL_PIN(110, "GPIO_110"),
 215         PINCTRL_PIN(111, "GPIO_111"),
 216         PINCTRL_PIN(112, "GPIO_112"),
 217         PINCTRL_PIN(113, "GPIO_113"),
 218         PINCTRL_PIN(114, "GPIO_114"),
 219         PINCTRL_PIN(115, "GPIO_115"),
 220         PINCTRL_PIN(116, "GPIO_116"),
 221         PINCTRL_PIN(117, "GPIO_117"),
 222         PINCTRL_PIN(118, "GPIO_118"),
 223         PINCTRL_PIN(119, "GPIO_119"),
 224         PINCTRL_PIN(120, "GPIO_120"),
 225         PINCTRL_PIN(121, "GPIO_121"),
 226         PINCTRL_PIN(122, "GPIO_122"),
 227         PINCTRL_PIN(123, "GPIO_123"),
 228         PINCTRL_PIN(124, "GPIO_124"),
 229         PINCTRL_PIN(125, "GPIO_125"),
 230         PINCTRL_PIN(126, "GPIO_126"),
 231         PINCTRL_PIN(127, "GPIO_127"),
 232         PINCTRL_PIN(128, "GPIO_128"),
 233         PINCTRL_PIN(129, "GPIO_129"),
 234         PINCTRL_PIN(130, "GPIO_130"),
 235         PINCTRL_PIN(131, "GPIO_131"),
 236         PINCTRL_PIN(132, "GPIO_132"),
 237         PINCTRL_PIN(133, "GPIO_133"),
 238         PINCTRL_PIN(134, "GPIO_134"),
 239         PINCTRL_PIN(135, "GPIO_135"),
 240         PINCTRL_PIN(136, "GPIO_136"),
 241         PINCTRL_PIN(137, "GPIO_137"),
 242         PINCTRL_PIN(138, "GPIO_138"),
 243         PINCTRL_PIN(139, "GPIO_139"),
 244         PINCTRL_PIN(140, "GPIO_140"),
 245         PINCTRL_PIN(141, "GPIO_141"),
 246         PINCTRL_PIN(142, "GPIO_142"),
 247         PINCTRL_PIN(143, "GPIO_143"),
 248         PINCTRL_PIN(144, "GPIO_144"),
 249         PINCTRL_PIN(145, "GPIO_145"),
 250         PINCTRL_PIN(146, "GPIO_146"),
 251         PINCTRL_PIN(147, "GPIO_147"),
 252         PINCTRL_PIN(148, "GPIO_148"),
 253         PINCTRL_PIN(149, "GPIO_149"),
 254         PINCTRL_PIN(150, "GPIO_150"),
 255         PINCTRL_PIN(151, "GPIO_151"),
 256         PINCTRL_PIN(152, "GPIO_152"),
 257         PINCTRL_PIN(153, "GPIO_153"),
 258         PINCTRL_PIN(154, "GPIO_154"),
 259         PINCTRL_PIN(155, "GPIO_155"),
 260         PINCTRL_PIN(156, "GPIO_156"),
 261         PINCTRL_PIN(157, "GPIO_157"),
 262         PINCTRL_PIN(158, "GPIO_158"),
 263         PINCTRL_PIN(159, "GPIO_159"),
 264         PINCTRL_PIN(160, "GPIO_160"),
 265         PINCTRL_PIN(161, "GPIO_161"),
 266         PINCTRL_PIN(162, "GPIO_162"),
 267         PINCTRL_PIN(163, "GPIO_163"),
 268         PINCTRL_PIN(164, "GPIO_164"),
 269         PINCTRL_PIN(165, "GPIO_165"),
 270         PINCTRL_PIN(166, "GPIO_166"),
 271         PINCTRL_PIN(167, "GPIO_167"),
 272         PINCTRL_PIN(168, "GPIO_168"),
 273         PINCTRL_PIN(169, "GPIO_169"),
 274         PINCTRL_PIN(170, "GPIO_170"),
 275         PINCTRL_PIN(171, "GPIO_171"),
 276         PINCTRL_PIN(172, "GPIO_172"),
 277         PINCTRL_PIN(173, "GPIO_173"),
 278         PINCTRL_PIN(174, "GPIO_174"),
 279         PINCTRL_PIN(175, "GPIO_175"),
 280         PINCTRL_PIN(176, "GPIO_176"),
 281         PINCTRL_PIN(177, "GPIO_177"),
 282         PINCTRL_PIN(178, "GPIO_178"),
 283         PINCTRL_PIN(179, "GPIO_179"),
 284         PINCTRL_PIN(180, "GPIO_180"),
 285         PINCTRL_PIN(181, "GPIO_181"),
 286         PINCTRL_PIN(182, "GPIO_182"),
 287         PINCTRL_PIN(183, "GPIO_183"),
 288 };
 289
 290 static const unsigned i2c0_pins[] = {145, 146};
 291 static const unsigned i2c1_pins[] = {147, 148};
 292 static const unsigned i2c2_pins[] = {113, 114};
 293 static const unsigned i2c3_pins[] = {19, 20};
 294
 295 static const unsigned uart0_pins[] = {135, 136, 137, 138, 139};
 296 static const unsigned uart1_pins[] = {140, 141, 142, 143, 144};
 297
 298 static const struct amd_pingroup kerncz_groups[] = {
 299         {
 300                 .name = "i2c0",
 301                 .pins = i2c0_pins,
 302                 .npins = 2,
 303         },
 304         {
 305                 .name = "i2c1",
 306                 .pins = i2c1_pins,
 307                 .npins = 2,
 308         },
 309         {
 310                 .name = "i2c2",
 311                 .pins = i2c2_pins,
 312                 .npins = 2,
 313         },
 314         {
 315                 .name = "i2c3",
 316                 .pins = i2c3_pins,
 317                 .npins = 2,
 318         },
 319         {
 320                 .name = "uart0",
 321                 .pins = uart0_pins,
 322                 .npins = 5,
 323         },
 324         {
 325                 .name = "uart1",
 326                 .pins = uart1_pins,
 327                 .npins = 5,
 328         },
 329 };
 330
 331 #endif