Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2010 Samsung Electronics |
| 3 | * Minkyu Kang <mk7.kang@samsung.com> |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef __ASM_ARCH_GPIO_H |
| 9 | #define __ASM_ARCH_GPIO_H |
| 10 | |
| 11 | #ifndef __ASSEMBLY__ |
| 12 | struct s5p_gpio_bank { |
| 13 | unsigned int con; |
| 14 | unsigned int dat; |
| 15 | unsigned int pull; |
| 16 | unsigned int drv; |
| 17 | unsigned int pdn_con; |
| 18 | unsigned int pdn_pull; |
| 19 | unsigned char res1[8]; |
| 20 | }; |
| 21 | |
Chander Kashyap | 393cb36 | 2011-12-06 23:34:12 +0000 | [diff] [blame] | 22 | struct exynos4_gpio_part1 { |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 23 | struct s5p_gpio_bank a0; |
| 24 | struct s5p_gpio_bank a1; |
| 25 | struct s5p_gpio_bank b; |
| 26 | struct s5p_gpio_bank c0; |
| 27 | struct s5p_gpio_bank c1; |
| 28 | struct s5p_gpio_bank d0; |
| 29 | struct s5p_gpio_bank d1; |
| 30 | struct s5p_gpio_bank e0; |
| 31 | struct s5p_gpio_bank e1; |
| 32 | struct s5p_gpio_bank e2; |
| 33 | struct s5p_gpio_bank e3; |
| 34 | struct s5p_gpio_bank e4; |
| 35 | struct s5p_gpio_bank f0; |
| 36 | struct s5p_gpio_bank f1; |
| 37 | struct s5p_gpio_bank f2; |
| 38 | struct s5p_gpio_bank f3; |
| 39 | }; |
| 40 | |
Chander Kashyap | 393cb36 | 2011-12-06 23:34:12 +0000 | [diff] [blame] | 41 | struct exynos4_gpio_part2 { |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 42 | struct s5p_gpio_bank j0; |
| 43 | struct s5p_gpio_bank j1; |
| 44 | struct s5p_gpio_bank k0; |
| 45 | struct s5p_gpio_bank k1; |
| 46 | struct s5p_gpio_bank k2; |
| 47 | struct s5p_gpio_bank k3; |
| 48 | struct s5p_gpio_bank l0; |
| 49 | struct s5p_gpio_bank l1; |
| 50 | struct s5p_gpio_bank l2; |
| 51 | struct s5p_gpio_bank y0; |
| 52 | struct s5p_gpio_bank y1; |
| 53 | struct s5p_gpio_bank y2; |
| 54 | struct s5p_gpio_bank y3; |
| 55 | struct s5p_gpio_bank y4; |
| 56 | struct s5p_gpio_bank y5; |
| 57 | struct s5p_gpio_bank y6; |
| 58 | struct s5p_gpio_bank res1[80]; |
| 59 | struct s5p_gpio_bank x0; |
| 60 | struct s5p_gpio_bank x1; |
| 61 | struct s5p_gpio_bank x2; |
| 62 | struct s5p_gpio_bank x3; |
| 63 | }; |
| 64 | |
Chander Kashyap | 393cb36 | 2011-12-06 23:34:12 +0000 | [diff] [blame] | 65 | struct exynos4_gpio_part3 { |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 66 | struct s5p_gpio_bank z; |
| 67 | }; |
| 68 | |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 69 | struct exynos4x12_gpio_part1 { |
| 70 | struct s5p_gpio_bank a0; |
| 71 | struct s5p_gpio_bank a1; |
| 72 | struct s5p_gpio_bank b; |
| 73 | struct s5p_gpio_bank c0; |
| 74 | struct s5p_gpio_bank c1; |
| 75 | struct s5p_gpio_bank d0; |
| 76 | struct s5p_gpio_bank d1; |
| 77 | struct s5p_gpio_bank res1[0x5]; |
| 78 | struct s5p_gpio_bank f0; |
| 79 | struct s5p_gpio_bank f1; |
| 80 | struct s5p_gpio_bank f2; |
| 81 | struct s5p_gpio_bank f3; |
| 82 | struct s5p_gpio_bank res2[0x2]; |
| 83 | struct s5p_gpio_bank j0; |
| 84 | struct s5p_gpio_bank j1; |
| 85 | }; |
| 86 | |
| 87 | struct exynos4x12_gpio_part2 { |
| 88 | struct s5p_gpio_bank res1[0x2]; |
| 89 | struct s5p_gpio_bank k0; |
| 90 | struct s5p_gpio_bank k1; |
| 91 | struct s5p_gpio_bank k2; |
| 92 | struct s5p_gpio_bank k3; |
| 93 | struct s5p_gpio_bank l0; |
| 94 | struct s5p_gpio_bank l1; |
| 95 | struct s5p_gpio_bank l2; |
| 96 | struct s5p_gpio_bank y0; |
| 97 | struct s5p_gpio_bank y1; |
| 98 | struct s5p_gpio_bank y2; |
| 99 | struct s5p_gpio_bank y3; |
| 100 | struct s5p_gpio_bank y4; |
| 101 | struct s5p_gpio_bank y5; |
| 102 | struct s5p_gpio_bank y6; |
| 103 | struct s5p_gpio_bank res2[0x3]; |
| 104 | struct s5p_gpio_bank m0; |
| 105 | struct s5p_gpio_bank m1; |
| 106 | struct s5p_gpio_bank m2; |
| 107 | struct s5p_gpio_bank m3; |
| 108 | struct s5p_gpio_bank m4; |
| 109 | struct s5p_gpio_bank res3[0x48]; |
| 110 | struct s5p_gpio_bank x0; |
| 111 | struct s5p_gpio_bank x1; |
| 112 | struct s5p_gpio_bank x2; |
| 113 | struct s5p_gpio_bank x3; |
| 114 | }; |
| 115 | |
| 116 | struct exynos4x12_gpio_part3 { |
| 117 | struct s5p_gpio_bank z; |
| 118 | }; |
| 119 | |
| 120 | struct exynos4x12_gpio_part4 { |
| 121 | struct s5p_gpio_bank v0; |
| 122 | struct s5p_gpio_bank v1; |
| 123 | struct s5p_gpio_bank res1[0x1]; |
| 124 | struct s5p_gpio_bank v2; |
| 125 | struct s5p_gpio_bank v3; |
| 126 | struct s5p_gpio_bank res2[0x1]; |
| 127 | struct s5p_gpio_bank v4; |
| 128 | }; |
| 129 | |
Rajeshwari Birje | 5af4a4f | 2013-12-26 09:44:23 +0530 | [diff] [blame] | 130 | struct exynos5420_gpio_part1 { |
| 131 | struct s5p_gpio_bank a0; |
| 132 | struct s5p_gpio_bank a1; |
| 133 | struct s5p_gpio_bank a2; |
| 134 | struct s5p_gpio_bank b0; |
| 135 | struct s5p_gpio_bank b1; |
| 136 | struct s5p_gpio_bank b2; |
| 137 | struct s5p_gpio_bank b3; |
| 138 | struct s5p_gpio_bank b4; |
| 139 | struct s5p_gpio_bank h0; |
| 140 | }; |
| 141 | |
| 142 | struct exynos5420_gpio_part2 { |
| 143 | struct s5p_gpio_bank y7; /* 0x1340_0000 */ |
| 144 | struct s5p_gpio_bank res[0x5f]; /* */ |
| 145 | struct s5p_gpio_bank x0; /* 0x1340_0C00 */ |
| 146 | struct s5p_gpio_bank x1; /* 0x1340_0C20 */ |
| 147 | struct s5p_gpio_bank x2; /* 0x1340_0C40 */ |
| 148 | struct s5p_gpio_bank x3; /* 0x1340_0C60 */ |
| 149 | }; |
| 150 | |
| 151 | struct exynos5420_gpio_part3 { |
| 152 | struct s5p_gpio_bank c0; |
| 153 | struct s5p_gpio_bank c1; |
| 154 | struct s5p_gpio_bank c2; |
| 155 | struct s5p_gpio_bank c3; |
| 156 | struct s5p_gpio_bank c4; |
| 157 | struct s5p_gpio_bank d1; |
| 158 | struct s5p_gpio_bank y0; |
| 159 | struct s5p_gpio_bank y1; |
| 160 | struct s5p_gpio_bank y2; |
| 161 | struct s5p_gpio_bank y3; |
| 162 | struct s5p_gpio_bank y4; |
| 163 | struct s5p_gpio_bank y5; |
| 164 | struct s5p_gpio_bank y6; |
| 165 | }; |
| 166 | |
| 167 | struct exynos5420_gpio_part4 { |
| 168 | struct s5p_gpio_bank e0; /* 0x1400_0000 */ |
| 169 | struct s5p_gpio_bank e1; /* 0x1400_0020 */ |
| 170 | struct s5p_gpio_bank f0; /* 0x1400_0040 */ |
| 171 | struct s5p_gpio_bank f1; /* 0x1400_0060 */ |
| 172 | struct s5p_gpio_bank g0; /* 0x1400_0080 */ |
| 173 | struct s5p_gpio_bank g1; /* 0x1400_00A0 */ |
| 174 | struct s5p_gpio_bank g2; /* 0x1400_00C0 */ |
| 175 | struct s5p_gpio_bank j4; /* 0x1400_00E0 */ |
| 176 | }; |
| 177 | |
| 178 | struct exynos5420_gpio_part5 { |
| 179 | struct s5p_gpio_bank z0; /* 0x0386_0000 */ |
| 180 | }; |
| 181 | |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 182 | struct exynos5_gpio_part1 { |
| 183 | struct s5p_gpio_bank a0; |
| 184 | struct s5p_gpio_bank a1; |
| 185 | struct s5p_gpio_bank a2; |
| 186 | struct s5p_gpio_bank b0; |
| 187 | struct s5p_gpio_bank b1; |
| 188 | struct s5p_gpio_bank b2; |
| 189 | struct s5p_gpio_bank b3; |
| 190 | struct s5p_gpio_bank c0; |
| 191 | struct s5p_gpio_bank c1; |
| 192 | struct s5p_gpio_bank c2; |
| 193 | struct s5p_gpio_bank c3; |
| 194 | struct s5p_gpio_bank d0; |
| 195 | struct s5p_gpio_bank d1; |
| 196 | struct s5p_gpio_bank y0; |
| 197 | struct s5p_gpio_bank y1; |
| 198 | struct s5p_gpio_bank y2; |
| 199 | struct s5p_gpio_bank y3; |
| 200 | struct s5p_gpio_bank y4; |
| 201 | struct s5p_gpio_bank y5; |
| 202 | struct s5p_gpio_bank y6; |
Rajeshwari Shinde | fd8ef01 | 2012-07-03 20:02:59 +0000 | [diff] [blame] | 203 | struct s5p_gpio_bank res1[0x3]; |
| 204 | struct s5p_gpio_bank c4; |
| 205 | struct s5p_gpio_bank res2[0x48]; |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 206 | struct s5p_gpio_bank x0; |
| 207 | struct s5p_gpio_bank x1; |
| 208 | struct s5p_gpio_bank x2; |
| 209 | struct s5p_gpio_bank x3; |
| 210 | }; |
| 211 | |
| 212 | struct exynos5_gpio_part2 { |
| 213 | struct s5p_gpio_bank e0; |
| 214 | struct s5p_gpio_bank e1; |
| 215 | struct s5p_gpio_bank f0; |
| 216 | struct s5p_gpio_bank f1; |
| 217 | struct s5p_gpio_bank g0; |
| 218 | struct s5p_gpio_bank g1; |
| 219 | struct s5p_gpio_bank g2; |
| 220 | struct s5p_gpio_bank h0; |
| 221 | struct s5p_gpio_bank h1; |
| 222 | }; |
| 223 | |
| 224 | struct exynos5_gpio_part3 { |
| 225 | struct s5p_gpio_bank v0; |
| 226 | struct s5p_gpio_bank v1; |
Rajeshwari Shinde | fd8ef01 | 2012-07-03 20:02:59 +0000 | [diff] [blame] | 227 | struct s5p_gpio_bank res1[0x1]; |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 228 | struct s5p_gpio_bank v2; |
| 229 | struct s5p_gpio_bank v3; |
Rajeshwari Shinde | fd8ef01 | 2012-07-03 20:02:59 +0000 | [diff] [blame] | 230 | struct s5p_gpio_bank res2[0x1]; |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 231 | struct s5p_gpio_bank v4; |
| 232 | }; |
| 233 | |
| 234 | struct exynos5_gpio_part4 { |
| 235 | struct s5p_gpio_bank z; |
| 236 | }; |
| 237 | |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 238 | /* functions */ |
Łukasz Majewski | ef5d9eb | 2011-07-15 00:16:22 +0000 | [diff] [blame] | 239 | void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg); |
| 240 | void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en); |
| 241 | void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio); |
| 242 | void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en); |
| 243 | unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio); |
| 244 | void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode); |
| 245 | void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode); |
| 246 | void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); |
Łukasz Majewski | 9f15bc0 | 2011-08-22 22:34:58 +0000 | [diff] [blame] | 247 | |
| 248 | /* GPIO pins per bank */ |
| 249 | #define GPIO_PER_BANK 8 |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 250 | #define S5P_GPIO_PART_SHIFT (24) |
| 251 | #define S5P_GPIO_PART_MASK (0xff) |
| 252 | #define S5P_GPIO_BANK_SHIFT (8) |
| 253 | #define S5P_GPIO_BANK_MASK (0xffff) |
| 254 | #define S5P_GPIO_PIN_MASK (0xff) |
Łukasz Majewski | 9f15bc0 | 2011-08-22 22:34:58 +0000 | [diff] [blame] | 255 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 256 | #define S5P_GPIO_SET_PART(x) \ |
| 257 | (((x) & S5P_GPIO_PART_MASK) << S5P_GPIO_PART_SHIFT) |
Łukasz Majewski | 9f15bc0 | 2011-08-22 22:34:58 +0000 | [diff] [blame] | 258 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 259 | #define S5P_GPIO_GET_PART(x) \ |
| 260 | (((x) >> S5P_GPIO_PART_SHIFT) & S5P_GPIO_PART_MASK) |
Łukasz Majewski | 9f15bc0 | 2011-08-22 22:34:58 +0000 | [diff] [blame] | 261 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 262 | #define S5P_GPIO_SET_PIN(x) \ |
| 263 | ((x) & S5P_GPIO_PIN_MASK) |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 264 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 265 | #define EXYNOS4_GPIO_SET_BANK(part, bank) \ |
| 266 | ((((unsigned)&(((struct exynos4_gpio_part##part *) \ |
| 267 | EXYNOS4_GPIO_PART##part##_BASE)->bank) \ |
| 268 | - EXYNOS4_GPIO_PART##part##_BASE) \ |
| 269 | & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 270 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 271 | #define EXYNOS4X12_GPIO_SET_BANK(part, bank) \ |
| 272 | ((((unsigned)&(((struct exynos4x12_gpio_part##part *) \ |
| 273 | EXYNOS4X12_GPIO_PART##part##_BASE)->bank) \ |
| 274 | - EXYNOS4X12_GPIO_PART##part##_BASE) \ |
| 275 | & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 276 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 277 | #define EXYNOS5_GPIO_SET_BANK(part, bank) \ |
| 278 | ((((unsigned)&(((struct exynos5420_gpio_part##part *) \ |
| 279 | EXYNOS5420_GPIO_PART##part##_BASE)->bank) \ |
| 280 | - EXYNOS5_GPIO_PART##part##_BASE) \ |
| 281 | & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 282 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 283 | #define EXYNOS5420_GPIO_SET_BANK(part, bank) \ |
| 284 | ((((unsigned)&(((struct exynos5420_gpio_part##part *) \ |
| 285 | EXYNOS5420_GPIO_PART##part##_BASE)->bank) \ |
| 286 | - EXYNOS5420_GPIO_PART##part##_BASE) \ |
| 287 | & S5P_GPIO_BANK_MASK) << S5P_GPIO_BANK_SHIFT) |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 288 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 289 | #define exynos4_gpio_get(part, bank, pin) \ |
| 290 | (S5P_GPIO_SET_PART(part) | \ |
| 291 | EXYNOS4_GPIO_SET_BANK(part, bank) | \ |
| 292 | S5P_GPIO_SET_PIN(pin)) |
Chander Kashyap | fa442bb | 2012-12-25 20:13:42 +0000 | [diff] [blame] | 293 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 294 | #define exynos4x12_gpio_get(part, bank, pin) \ |
| 295 | (S5P_GPIO_SET_PART(part) | \ |
| 296 | EXYNOS4X12_GPIO_SET_BANK(part, bank) | \ |
| 297 | S5P_GPIO_SET_PIN(pin)) |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 298 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 299 | #define exynos5420_gpio_get(part, bank, pin) \ |
| 300 | (S5P_GPIO_SET_PART(part) | \ |
| 301 | EXYNOS5420_GPIO_SET_BANK(part, bank) | \ |
| 302 | S5P_GPIO_SET_PIN(pin)) |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 303 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 304 | #define exynos5_gpio_get(part, bank, pin) \ |
| 305 | (S5P_GPIO_SET_PART(part) | \ |
| 306 | EXYNOS5_GPIO_SET_BANK(part, bank) | \ |
| 307 | S5P_GPIO_SET_PIN(pin)) |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 308 | |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 309 | static inline unsigned int s5p_gpio_base(int gpio) |
Łukasz Majewski | 9f15bc0 | 2011-08-22 22:34:58 +0000 | [diff] [blame] | 310 | { |
Przemyslaw Marczak | 8475c86 | 2014-01-22 11:24:10 +0100 | [diff] [blame] | 311 | unsigned gpio_part = S5P_GPIO_GET_PART(gpio); |
| 312 | |
| 313 | switch (gpio_part) { |
| 314 | case 1: |
| 315 | return samsung_get_base_gpio_part1(); |
| 316 | case 2: |
| 317 | return samsung_get_base_gpio_part2(); |
| 318 | case 3: |
| 319 | return samsung_get_base_gpio_part3(); |
| 320 | case 4: |
| 321 | return samsung_get_base_gpio_part4(); |
| 322 | default: |
| 323 | return 0; |
Chander Kashyap | 37bb6d8 | 2012-02-05 23:01:46 +0000 | [diff] [blame] | 324 | } |
Łukasz Majewski | 822593f | 2012-09-04 21:47:46 +0000 | [diff] [blame] | 325 | } |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 326 | #endif |
| 327 | |
| 328 | /* Pin configurations */ |
| 329 | #define GPIO_INPUT 0x0 |
| 330 | #define GPIO_OUTPUT 0x1 |
| 331 | #define GPIO_IRQ 0xf |
| 332 | #define GPIO_FUNC(x) (x) |
| 333 | |
| 334 | /* Pull mode */ |
| 335 | #define GPIO_PULL_NONE 0x0 |
| 336 | #define GPIO_PULL_DOWN 0x1 |
Chander Kashyap | 898ddf0 | 2011-04-18 00:08:43 +0000 | [diff] [blame] | 337 | #define GPIO_PULL_UP 0x3 |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 338 | |
| 339 | /* Drive Strength level */ |
| 340 | #define GPIO_DRV_1X 0x0 |
Chander Kashyap | 898ddf0 | 2011-04-18 00:08:43 +0000 | [diff] [blame] | 341 | #define GPIO_DRV_3X 0x1 |
| 342 | #define GPIO_DRV_2X 0x2 |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 343 | #define GPIO_DRV_4X 0x3 |
| 344 | #define GPIO_DRV_FAST 0x0 |
| 345 | #define GPIO_DRV_SLOW 0x1 |
Minkyu Kang | 008a351 | 2011-01-24 15:22:23 +0900 | [diff] [blame] | 346 | #endif |