linux/drivers/pinctrl/pinctrl-amd.h
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   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
  77struct amd_pingroup {
  78        const char *name;
  79        const unsigned *pins;
  80        unsigned npins;
  81};
  82
  83struct amd_function {
  84        const char *name;
  85        const char * const *groups;
  86        unsigned ngroups;
  87};
  88
  89struct 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*/
 104static 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(23, "GPIO_23"),
 127        PINCTRL_PIN(24, "GPIO_24"),
 128        PINCTRL_PIN(25, "GPIO_25"),
 129        PINCTRL_PIN(26, "GPIO_26"),
 130        PINCTRL_PIN(39, "GPIO_39"),
 131        PINCTRL_PIN(40, "GPIO_40"),
 132        PINCTRL_PIN(43, "GPIO_42"),
 133        PINCTRL_PIN(46, "GPIO_46"),
 134        PINCTRL_PIN(47, "GPIO_47"),
 135        PINCTRL_PIN(48, "GPIO_48"),
 136        PINCTRL_PIN(49, "GPIO_49"),
 137        PINCTRL_PIN(50, "GPIO_50"),
 138        PINCTRL_PIN(51, "GPIO_51"),
 139        PINCTRL_PIN(52, "GPIO_52"),
 140        PINCTRL_PIN(53, "GPIO_53"),
 141        PINCTRL_PIN(54, "GPIO_54"),
 142        PINCTRL_PIN(55, "GPIO_55"),
 143        PINCTRL_PIN(56, "GPIO_56"),
 144        PINCTRL_PIN(57, "GPIO_57"),
 145        PINCTRL_PIN(58, "GPIO_58"),
 146        PINCTRL_PIN(59, "GPIO_59"),
 147        PINCTRL_PIN(60, "GPIO_60"),
 148        PINCTRL_PIN(61, "GPIO_61"),
 149        PINCTRL_PIN(62, "GPIO_62"),
 150        PINCTRL_PIN(64, "GPIO_64"),
 151        PINCTRL_PIN(65, "GPIO_65"),
 152        PINCTRL_PIN(66, "GPIO_66"),
 153        PINCTRL_PIN(68, "GPIO_68"),
 154        PINCTRL_PIN(69, "GPIO_69"),
 155        PINCTRL_PIN(70, "GPIO_70"),
 156        PINCTRL_PIN(71, "GPIO_71"),
 157        PINCTRL_PIN(72, "GPIO_72"),
 158        PINCTRL_PIN(74, "GPIO_74"),
 159        PINCTRL_PIN(75, "GPIO_75"),
 160        PINCTRL_PIN(76, "GPIO_76"),
 161        PINCTRL_PIN(84, "GPIO_84"),
 162        PINCTRL_PIN(85, "GPIO_85"),
 163        PINCTRL_PIN(86, "GPIO_86"),
 164        PINCTRL_PIN(87, "GPIO_87"),
 165        PINCTRL_PIN(88, "GPIO_88"),
 166        PINCTRL_PIN(89, "GPIO_89"),
 167        PINCTRL_PIN(90, "GPIO_90"),
 168        PINCTRL_PIN(91, "GPIO_91"),
 169        PINCTRL_PIN(92, "GPIO_92"),
 170        PINCTRL_PIN(93, "GPIO_93"),
 171        PINCTRL_PIN(95, "GPIO_95"),
 172        PINCTRL_PIN(96, "GPIO_96"),
 173        PINCTRL_PIN(97, "GPIO_97"),
 174        PINCTRL_PIN(98, "GPIO_98"),
 175        PINCTRL_PIN(99, "GPIO_99"),
 176        PINCTRL_PIN(100, "GPIO_100"),
 177        PINCTRL_PIN(101, "GPIO_101"),
 178        PINCTRL_PIN(102, "GPIO_102"),
 179        PINCTRL_PIN(113, "GPIO_113"),
 180        PINCTRL_PIN(114, "GPIO_114"),
 181        PINCTRL_PIN(115, "GPIO_115"),
 182        PINCTRL_PIN(116, "GPIO_116"),
 183        PINCTRL_PIN(117, "GPIO_117"),
 184        PINCTRL_PIN(118, "GPIO_118"),
 185        PINCTRL_PIN(119, "GPIO_119"),
 186        PINCTRL_PIN(120, "GPIO_120"),
 187        PINCTRL_PIN(121, "GPIO_121"),
 188        PINCTRL_PIN(122, "GPIO_122"),
 189        PINCTRL_PIN(126, "GPIO_126"),
 190        PINCTRL_PIN(129, "GPIO_129"),
 191        PINCTRL_PIN(130, "GPIO_130"),
 192        PINCTRL_PIN(131, "GPIO_131"),
 193        PINCTRL_PIN(132, "GPIO_132"),
 194        PINCTRL_PIN(133, "GPIO_133"),
 195        PINCTRL_PIN(135, "GPIO_135"),
 196        PINCTRL_PIN(136, "GPIO_136"),
 197        PINCTRL_PIN(137, "GPIO_137"),
 198        PINCTRL_PIN(138, "GPIO_138"),
 199        PINCTRL_PIN(139, "GPIO_139"),
 200        PINCTRL_PIN(140, "GPIO_140"),
 201        PINCTRL_PIN(141, "GPIO_141"),
 202        PINCTRL_PIN(142, "GPIO_142"),
 203        PINCTRL_PIN(143, "GPIO_143"),
 204        PINCTRL_PIN(144, "GPIO_144"),
 205        PINCTRL_PIN(145, "GPIO_145"),
 206        PINCTRL_PIN(146, "GPIO_146"),
 207        PINCTRL_PIN(147, "GPIO_147"),
 208        PINCTRL_PIN(148, "GPIO_148"),
 209        PINCTRL_PIN(166, "GPIO_166"),
 210        PINCTRL_PIN(167, "GPIO_167"),
 211        PINCTRL_PIN(168, "GPIO_168"),
 212        PINCTRL_PIN(169, "GPIO_169"),
 213        PINCTRL_PIN(170, "GPIO_170"),
 214        PINCTRL_PIN(171, "GPIO_171"),
 215        PINCTRL_PIN(172, "GPIO_172"),
 216        PINCTRL_PIN(173, "GPIO_173"),
 217        PINCTRL_PIN(174, "GPIO_174"),
 218        PINCTRL_PIN(175, "GPIO_175"),
 219        PINCTRL_PIN(176, "GPIO_176"),
 220        PINCTRL_PIN(177, "GPIO_177"),
 221};
 222
 223static const unsigned i2c0_pins[] = {145, 146};
 224static const unsigned i2c1_pins[] = {147, 148};
 225static const unsigned i2c2_pins[] = {113, 114};
 226static const unsigned i2c3_pins[] = {19, 20};
 227
 228static const unsigned uart0_pins[] = {135, 136, 137, 138, 139};
 229static const unsigned uart1_pins[] = {140, 141, 142, 143, 144};
 230
 231static const struct amd_pingroup kerncz_groups[] = {
 232        {
 233                .name = "i2c0",
 234                .pins = i2c0_pins,
 235                .npins = 2,
 236        },
 237        {
 238                .name = "i2c1",
 239                .pins = i2c1_pins,
 240                .npins = 2,
 241        },
 242        {
 243                .name = "i2c2",
 244                .pins = i2c2_pins,
 245                .npins = 2,
 246        },
 247        {
 248                .name = "i2c3",
 249                .pins = i2c3_pins,
 250                .npins = 2,
 251        },
 252        {
 253                .name = "uart0",
 254                .pins = uart0_pins,
 255                .npins = 5,
 256        },
 257        {
 258                .name = "uart1",
 259                .pins = uart1_pins,
 260                .npins = 5,
 261        },
 262};
 263
 264#endif
 265