1 #include <linux/kernel.h> 2 #include <linux/pinctrl/pinctrl.h> 3 #include "pinctrl-nomadik.h" 4 5 /* All the pins that can be used for GPIO and some other functions */ 6 #define _GPIO(offset) (offset) 7 8 #define STN8815_PIN_B4 _GPIO(0) 9 #define STN8815_PIN_D5 _GPIO(1) 10 #define STN8815_PIN_C5 _GPIO(2) 11 #define STN8815_PIN_A4 _GPIO(3) 12 #define STN8815_PIN_B5 _GPIO(4) 13 #define STN8815_PIN_D6 _GPIO(5) 14 #define STN8815_PIN_C6 _GPIO(6) 15 #define STN8815_PIN_B6 _GPIO(7) 16 #define STN8815_PIN_B10 _GPIO(8) 17 #define STN8815_PIN_A10 _GPIO(9) 18 #define STN8815_PIN_C11 _GPIO(10) 19 #define STN8815_PIN_B11 _GPIO(11) 20 #define STN8815_PIN_A11 _GPIO(12) 21 #define STN8815_PIN_C12 _GPIO(13) 22 #define STN8815_PIN_B12 _GPIO(14) 23 #define STN8815_PIN_A12 _GPIO(15) 24 #define STN8815_PIN_C13 _GPIO(16) 25 #define STN8815_PIN_B13 _GPIO(17) 26 #define STN8815_PIN_A13 _GPIO(18) 27 #define STN8815_PIN_D13 _GPIO(19) 28 #define STN8815_PIN_C14 _GPIO(20) 29 #define STN8815_PIN_B14 _GPIO(21) 30 #define STN8815_PIN_A14 _GPIO(22) 31 #define STN8815_PIN_D15 _GPIO(23) 32 #define STN8815_PIN_C15 _GPIO(24) 33 #define STN8815_PIN_B15 _GPIO(25) 34 #define STN8815_PIN_A15 _GPIO(26) 35 #define STN8815_PIN_C16 _GPIO(27) 36 #define STN8815_PIN_B16 _GPIO(28) 37 #define STN8815_PIN_A16 _GPIO(29) 38 #define STN8815_PIN_D17 _GPIO(30) 39 #define STN8815_PIN_C17 _GPIO(31) 40 #define STN8815_PIN_AB6 _GPIO(32) 41 #define STN8815_PIN_AA6 _GPIO(33) 42 #define STN8815_PIN_Y6 _GPIO(34) 43 #define STN8815_PIN_Y5 _GPIO(35) 44 #define STN8815_PIN_AA5 _GPIO(36) 45 #define STN8815_PIN_AB5 _GPIO(37) 46 #define STN8815_PIN_AB4 _GPIO(38) 47 #define STN8815_PIN_Y4 _GPIO(39) 48 #define STN8815_PIN_R1 _GPIO(40) 49 #define STN8815_PIN_R2 _GPIO(41) 50 #define STN8815_PIN_R3 _GPIO(42) 51 #define STN8815_PIN_P1 _GPIO(43) 52 #define STN8815_PIN_P2 _GPIO(44) 53 #define STN8815_PIN_P3 _GPIO(45) 54 #define STN8815_PIN_N1 _GPIO(46) 55 #define STN8815_PIN_N2 _GPIO(47) 56 #define STN8815_PIN_N3 _GPIO(48) 57 #define STN8815_PIN_M1 _GPIO(49) 58 #define STN8815_PIN_M3 _GPIO(50) 59 #define STN8815_PIN_M2 _GPIO(51) 60 #define STN8815_PIN_L1 _GPIO(52) 61 #define STN8815_PIN_L4 _GPIO(53) 62 #define STN8815_PIN_L3 _GPIO(54) 63 #define STN8815_PIN_L2 _GPIO(55) 64 #define STN8815_PIN_F3 _GPIO(56) 65 #define STN8815_PIN_F2 _GPIO(57) 66 #define STN8815_PIN_E1 _GPIO(58) 67 #define STN8815_PIN_E3 _GPIO(59) 68 #define STN8815_PIN_E2 _GPIO(60) 69 #define STN8815_PIN_E4 _GPIO(61) 70 #define STN8815_PIN_D3 _GPIO(62) 71 #define STN8815_PIN_D2 _GPIO(63) 72 #define STN8815_PIN_F21 _GPIO(64) 73 #define STN8815_PIN_F20 _GPIO(65) 74 #define STN8815_PIN_E22 _GPIO(66) 75 #define STN8815_PIN_D22 _GPIO(67) 76 #define STN8815_PIN_E21 _GPIO(68) 77 #define STN8815_PIN_E20 _GPIO(69) 78 #define STN8815_PIN_C22 _GPIO(70) 79 #define STN8815_PIN_D21 _GPIO(71) 80 #define STN8815_PIN_D20 _GPIO(72) 81 #define STN8815_PIN_C21 _GPIO(73) 82 #define STN8815_PIN_C20 _GPIO(74) 83 #define STN8815_PIN_C19 _GPIO(75) 84 #define STN8815_PIN_B20 _GPIO(76) 85 #define STN8815_PIN_B8 _GPIO(77) 86 #define STN8815_PIN_A8 _GPIO(78) 87 #define STN8815_PIN_C9 _GPIO(79) 88 #define STN8815_PIN_B9 _GPIO(80) 89 #define STN8815_PIN_A9 _GPIO(81) 90 #define STN8815_PIN_C10 _GPIO(82) 91 #define STN8815_PIN_K1 _GPIO(83) 92 #define STN8815_PIN_K3 _GPIO(84) 93 #define STN8815_PIN_K2 _GPIO(85) 94 #define STN8815_PIN_J1 _GPIO(86) 95 #define STN8815_PIN_J3 _GPIO(87) 96 #define STN8815_PIN_J2 _GPIO(88) 97 #define STN8815_PIN_H1 _GPIO(89) 98 #define STN8815_PIN_H3 _GPIO(90) 99 #define STN8815_PIN_H2 _GPIO(91) 100 #define STN8815_PIN_G1 _GPIO(92) 101 #define STN8815_PIN_G3 _GPIO(93) 102 #define STN8815_PIN_G2 _GPIO(94) 103 #define STN8815_PIN_F1 _GPIO(95) 104 #define STN8815_PIN_T20 _GPIO(96) 105 #define STN8815_PIN_R21 _GPIO(97) 106 #define STN8815_PIN_R20 _GPIO(98) 107 #define STN8815_PIN_U22 _GPIO(99) 108 #define STN8815_PIN_N21 _GPIO(100) 109 #define STN8815_PIN_N20 _GPIO(101) 110 #define STN8815_PIN_P22 _GPIO(102) 111 #define STN8815_PIN_N22 _GPIO(103) 112 #define STN8815_PIN_V22 _GPIO(104) 113 #define STN8815_PIN_V21 _GPIO(105) 114 #define STN8815_PIN_K22 _GPIO(106) 115 #define STN8815_PIN_K21 _GPIO(107) 116 #define STN8815_PIN_H20 _GPIO(108) 117 #define STN8815_PIN_G20 _GPIO(109) 118 #define STN8815_PIN_L21 _GPIO(110) 119 #define STN8815_PIN_H21 _GPIO(111) 120 #define STN8815_PIN_J21 _GPIO(112) 121 #define STN8815_PIN_H22 _GPIO(113) 122 #define STN8815_PIN_K20 _GPIO(114) 123 #define STN8815_PIN_L22 _GPIO(115) 124 #define STN8815_PIN_G21 _GPIO(116) 125 #define STN8815_PIN_J20 _GPIO(117) 126 #define STN8815_PIN_G22 _GPIO(118) 127 #define STN8815_PIN_U19 _GPIO(119) 128 #define STN8815_PIN_G19 _GPIO(120) 129 #define STN8815_PIN_M22 _GPIO(121) 130 #define STN8815_PIN_M19 _GPIO(122) 131 #define STN8815_PIN_J22 _GPIO(123) 132 /* GPIOs 124-127 not routed to pins */ 133 134 /* 135 * The names of the pins are denoted by GPIO number and ball name, even 136 * though they can be used for other things than GPIO, this is the first 137 * column in the table of the data sheet and often used on schematics and 138 * such. 139 */ 140 static const struct pinctrl_pin_desc nmk_stn8815_pins[] = { 141 PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"), 142 PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"), 143 PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"), 144 PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"), 145 PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"), 146 PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"), 147 PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"), 148 PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"), 149 PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"), 150 PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"), 151 PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"), 152 PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"), 153 PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"), 154 PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"), 155 PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"), 156 PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"), 157 PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"), 158 PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"), 159 PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"), 160 PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"), 161 PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"), 162 PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"), 163 PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"), 164 PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"), 165 PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"), 166 PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"), 167 PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"), 168 PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"), 169 PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"), 170 PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"), 171 PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"), 172 PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"), 173 PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"), 174 PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"), 175 PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"), 176 PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"), 177 PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"), 178 PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"), 179 PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"), 180 PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"), 181 PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"), 182 PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"), 183 PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"), 184 PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"), 185 PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"), 186 PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"), 187 PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"), 188 PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"), 189 PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"), 190 PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"), 191 PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"), 192 PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"), 193 PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"), 194 PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"), 195 PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"), 196 PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"), 197 PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"), 198 PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"), 199 PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"), 200 PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"), 201 PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"), 202 PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"), 203 PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"), 204 PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"), 205 PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"), 206 PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"), 207 PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"), 208 PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"), 209 PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"), 210 PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"), 211 PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"), 212 PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"), 213 PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"), 214 PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"), 215 PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"), 216 PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"), 217 PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"), 218 PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"), 219 PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"), 220 PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"), 221 PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"), 222 PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"), 223 PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"), 224 PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"), 225 PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"), 226 PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"), 227 PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"), 228 PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"), 229 PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"), 230 PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"), 231 PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"), 232 PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"), 233 PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"), 234 PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"), 235 PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"), 236 PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"), 237 PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"), 238 PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"), 239 PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"), 240 PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"), 241 PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"), 242 PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"), 243 PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"), 244 PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"), 245 PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"), 246 PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"), 247 PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"), 248 PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"), 249 PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"), 250 PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"), 251 PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"), 252 PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"), 253 PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"), 254 PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"), 255 PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"), 256 PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"), 257 PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"), 258 PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"), 259 PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"), 260 PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"), 261 PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"), 262 PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"), 263 PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"), 264 PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"), 265 }; 266 267 #define STN8815_GPIO_RANGE(a, b, c) { .name = "STN8815", .id = a, .base = b, \ 268 .pin_base = b, .npins = c } 269 270 /* 271 * This matches the 32-pin gpio chips registered by the GPIO portion. This 272 * cannot be const since we assign the struct gpio_chip * pointer at runtime. 273 */ 274 static struct pinctrl_gpio_range nmk_stn8815_ranges[] = { 275 STN8815_GPIO_RANGE(0, 0, 32), 276 STN8815_GPIO_RANGE(1, 32, 32), 277 STN8815_GPIO_RANGE(2, 64, 32), 278 STN8815_GPIO_RANGE(3, 96, 28), 279 }; 280 281 /* 282 * Read the pin group names like this: 283 * u0_a_1 = first groups of pins for uart0 on alt function a 284 * i2c2_b_2 = second group of pins for i2c2 on alt function b 285 */ 286 287 /* Altfunction A */ 288 static const unsigned u0_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5, 289 STN8815_PIN_C5, STN8815_PIN_A4, STN8815_PIN_B5, STN8815_PIN_D6, 290 STN8815_PIN_C6, STN8815_PIN_B6 }; 291 static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10, 292 STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12, 293 STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 }; 294 static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1, 295 STN8815_PIN_F3, STN8815_PIN_F2 }; 296 static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 }; 297 static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 }; 298 /* Altfunction B */ 299 static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 }; 300 static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 }; 301 302 #define STN8815_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins, \ 303 .npins = ARRAY_SIZE(a##_pins), .altsetting = b } 304 305 static const struct nmk_pingroup nmk_stn8815_groups[] = { 306 STN8815_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A), 307 STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A), 308 STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A), 309 STN8815_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A), 310 STN8815_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A), 311 STN8815_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B), 312 STN8815_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B), 313 }; 314 315 /* We use this macro to define the groups applicable to a function */ 316 #define STN8815_FUNC_GROUPS(a, b...) \ 317 static const char * const a##_groups[] = { b }; 318 319 STN8815_FUNC_GROUPS(u0, "u0_a_1"); 320 STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1"); 321 STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1"); 322 STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1"); 323 STN8815_FUNC_GROUPS(i2c0, "i2c0_a_1"); 324 STN8815_FUNC_GROUPS(i2cusb, "i2cusb_b_1"); 325 326 #define FUNCTION(fname) \ 327 { \ 328 .name = #fname, \ 329 .groups = fname##_groups, \ 330 .ngroups = ARRAY_SIZE(fname##_groups), \ 331 } 332 333 static const struct nmk_function nmk_stn8815_functions[] = { 334 FUNCTION(u0), 335 FUNCTION(mmcsd), 336 FUNCTION(u1), 337 FUNCTION(i2c1), 338 FUNCTION(i2c0), 339 FUNCTION(i2cusb), 340 }; 341 342 static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = { 343 .gpio_ranges = nmk_stn8815_ranges, 344 .gpio_num_ranges = ARRAY_SIZE(nmk_stn8815_ranges), 345 .pins = nmk_stn8815_pins, 346 .npins = ARRAY_SIZE(nmk_stn8815_pins), 347 .functions = nmk_stn8815_functions, 348 .nfunctions = ARRAY_SIZE(nmk_stn8815_functions), 349 .groups = nmk_stn8815_groups, 350 .ngroups = ARRAY_SIZE(nmk_stn8815_groups), 351 }; 352 353 void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc) 354 { 355 *soc = &nmk_stn8815_soc; 356 } 357