drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/kernel.h>
   3 #include <linux/pinctrl/pinctrl.h>
   4 #include "pinctrl-nomadik.h"
   5
   6 /* All the pins that can be used for GPIO and some other functions */
   7 #define _GPIO(offset)           (offset)
   8
   9 #define STN8815_PIN_B4          _GPIO(0)
  10 #define STN8815_PIN_D5          _GPIO(1)
  11 #define STN8815_PIN_C5          _GPIO(2)
  12 #define STN8815_PIN_A4          _GPIO(3)
  13 #define STN8815_PIN_B5          _GPIO(4)
  14 #define STN8815_PIN_D6          _GPIO(5)
  15 #define STN8815_PIN_C6          _GPIO(6)
  16 #define STN8815_PIN_B6          _GPIO(7)
  17 #define STN8815_PIN_B10         _GPIO(8)
  18 #define STN8815_PIN_A10         _GPIO(9)
  19 #define STN8815_PIN_C11         _GPIO(10)
  20 #define STN8815_PIN_B11         _GPIO(11)
  21 #define STN8815_PIN_A11         _GPIO(12)
  22 #define STN8815_PIN_C12         _GPIO(13)
  23 #define STN8815_PIN_B12         _GPIO(14)
  24 #define STN8815_PIN_A12         _GPIO(15)
  25 #define STN8815_PIN_C13         _GPIO(16)
  26 #define STN8815_PIN_B13         _GPIO(17)
  27 #define STN8815_PIN_A13         _GPIO(18)
  28 #define STN8815_PIN_D13         _GPIO(19)
  29 #define STN8815_PIN_C14         _GPIO(20)
  30 #define STN8815_PIN_B14         _GPIO(21)
  31 #define STN8815_PIN_A14         _GPIO(22)
  32 #define STN8815_PIN_D15         _GPIO(23)
  33 #define STN8815_PIN_C15         _GPIO(24)
  34 #define STN8815_PIN_B15         _GPIO(25)
  35 #define STN8815_PIN_A15         _GPIO(26)
  36 #define STN8815_PIN_C16         _GPIO(27)
  37 #define STN8815_PIN_B16         _GPIO(28)
  38 #define STN8815_PIN_A16         _GPIO(29)
  39 #define STN8815_PIN_D17         _GPIO(30)
  40 #define STN8815_PIN_C17         _GPIO(31)
  41 #define STN8815_PIN_AB6         _GPIO(32)
  42 #define STN8815_PIN_AA6         _GPIO(33)
  43 #define STN8815_PIN_Y6          _GPIO(34)
  44 #define STN8815_PIN_Y5          _GPIO(35)
  45 #define STN8815_PIN_AA5         _GPIO(36)
  46 #define STN8815_PIN_AB5         _GPIO(37)
  47 #define STN8815_PIN_AB4         _GPIO(38)
  48 #define STN8815_PIN_Y4          _GPIO(39)
  49 #define STN8815_PIN_R1          _GPIO(40)
  50 #define STN8815_PIN_R2          _GPIO(41)
  51 #define STN8815_PIN_R3          _GPIO(42)
  52 #define STN8815_PIN_P1          _GPIO(43)
  53 #define STN8815_PIN_P2          _GPIO(44)
  54 #define STN8815_PIN_P3          _GPIO(45)
  55 #define STN8815_PIN_N1          _GPIO(46)
  56 #define STN8815_PIN_N2          _GPIO(47)
  57 #define STN8815_PIN_N3          _GPIO(48)
  58 #define STN8815_PIN_M1          _GPIO(49)
  59 #define STN8815_PIN_M3          _GPIO(50)
  60 #define STN8815_PIN_M2          _GPIO(51)
  61 #define STN8815_PIN_L1          _GPIO(52)
  62 #define STN8815_PIN_L4          _GPIO(53)
  63 #define STN8815_PIN_L3          _GPIO(54)
  64 #define STN8815_PIN_L2          _GPIO(55)
  65 #define STN8815_PIN_F3          _GPIO(56)
  66 #define STN8815_PIN_F2          _GPIO(57)
  67 #define STN8815_PIN_E1          _GPIO(58)
  68 #define STN8815_PIN_E3          _GPIO(59)
  69 #define STN8815_PIN_E2          _GPIO(60)
  70 #define STN8815_PIN_E4          _GPIO(61)
  71 #define STN8815_PIN_D3          _GPIO(62)
  72 #define STN8815_PIN_D2          _GPIO(63)
  73 #define STN8815_PIN_F21         _GPIO(64)
  74 #define STN8815_PIN_F20         _GPIO(65)
  75 #define STN8815_PIN_E22         _GPIO(66)
  76 #define STN8815_PIN_D22         _GPIO(67)
  77 #define STN8815_PIN_E21         _GPIO(68)
  78 #define STN8815_PIN_E20         _GPIO(69)
  79 #define STN8815_PIN_C22         _GPIO(70)
  80 #define STN8815_PIN_D21         _GPIO(71)
  81 #define STN8815_PIN_D20         _GPIO(72)
  82 #define STN8815_PIN_C21         _GPIO(73)
  83 #define STN8815_PIN_C20         _GPIO(74)
  84 #define STN8815_PIN_C19         _GPIO(75)
  85 #define STN8815_PIN_B20         _GPIO(76)
  86 #define STN8815_PIN_B8          _GPIO(77)
  87 #define STN8815_PIN_A8          _GPIO(78)
  88 #define STN8815_PIN_C9          _GPIO(79)
  89 #define STN8815_PIN_B9          _GPIO(80)
  90 #define STN8815_PIN_A9          _GPIO(81)
  91 #define STN8815_PIN_C10         _GPIO(82)
  92 #define STN8815_PIN_K1          _GPIO(83)
  93 #define STN8815_PIN_K3          _GPIO(84)
  94 #define STN8815_PIN_K2          _GPIO(85)
  95 #define STN8815_PIN_J1          _GPIO(86)
  96 #define STN8815_PIN_J3          _GPIO(87)
  97 #define STN8815_PIN_J2          _GPIO(88)
  98 #define STN8815_PIN_H1          _GPIO(89)
  99 #define STN8815_PIN_H3          _GPIO(90)
 100 #define STN8815_PIN_H2          _GPIO(91)
 101 #define STN8815_PIN_G1          _GPIO(92)
 102 #define STN8815_PIN_G3          _GPIO(93)
 103 #define STN8815_PIN_G2          _GPIO(94)
 104 #define STN8815_PIN_F1          _GPIO(95)
 105 #define STN8815_PIN_T20         _GPIO(96)
 106 #define STN8815_PIN_R21         _GPIO(97)
 107 #define STN8815_PIN_R20         _GPIO(98)
 108 #define STN8815_PIN_U22         _GPIO(99)
 109 #define STN8815_PIN_N21         _GPIO(100)
 110 #define STN8815_PIN_N20         _GPIO(101)
 111 #define STN8815_PIN_P22         _GPIO(102)
 112 #define STN8815_PIN_N22         _GPIO(103)
 113 #define STN8815_PIN_V22         _GPIO(104)
 114 #define STN8815_PIN_V21         _GPIO(105)
 115 #define STN8815_PIN_K22         _GPIO(106)
 116 #define STN8815_PIN_K21         _GPIO(107)
 117 #define STN8815_PIN_H20         _GPIO(108)
 118 #define STN8815_PIN_G20         _GPIO(109)
 119 #define STN8815_PIN_L21         _GPIO(110)
 120 #define STN8815_PIN_H21         _GPIO(111)
 121 #define STN8815_PIN_J21         _GPIO(112)
 122 #define STN8815_PIN_H22         _GPIO(113)
 123 #define STN8815_PIN_K20         _GPIO(114)
 124 #define STN8815_PIN_L22         _GPIO(115)
 125 #define STN8815_PIN_G21         _GPIO(116)
 126 #define STN8815_PIN_J20         _GPIO(117)
 127 #define STN8815_PIN_G22         _GPIO(118)
 128 #define STN8815_PIN_U19         _GPIO(119)
 129 #define STN8815_PIN_G19         _GPIO(120)
 130 #define STN8815_PIN_M22         _GPIO(121)
 131 #define STN8815_PIN_M19         _GPIO(122)
 132 #define STN8815_PIN_J22         _GPIO(123)
 133 /* GPIOs 124-127 not routed to pins */
 134
 135 /*
 136  * The names of the pins are denoted by GPIO number and ball name, even
 137  * though they can be used for other things than GPIO, this is the first
 138  * column in the table of the data sheet and often used on schematics and
 139  * such.
 140  */
 141 static const struct pinctrl_pin_desc nmk_stn8815_pins[] = {
 142         PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"),
 143         PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"),
 144         PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"),
 145         PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"),
 146         PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"),
 147         PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"),
 148         PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"),
 149         PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"),
 150         PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"),
 151         PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"),
 152         PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"),
 153         PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"),
 154         PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"),
 155         PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"),
 156         PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"),
 157         PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"),
 158         PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"),
 159         PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"),
 160         PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"),
 161         PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"),
 162         PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"),
 163         PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"),
 164         PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"),
 165         PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"),
 166         PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"),
 167         PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"),
 168         PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"),
 169         PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"),
 170         PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"),
 171         PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"),
 172         PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"),
 173         PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"),
 174         PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"),
 175         PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"),
 176         PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"),
 177         PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"),
 178         PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"),
 179         PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"),
 180         PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"),
 181         PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"),
 182         PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"),
 183         PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"),
 184         PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"),
 185         PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"),
 186         PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"),
 187         PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"),
 188         PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"),
 189         PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"),
 190         PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"),
 191         PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"),
 192         PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"),
 193         PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"),
 194         PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"),
 195         PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"),
 196         PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"),
 197         PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"),
 198         PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"),
 199         PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"),
 200         PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"),
 201         PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"),
 202         PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"),
 203         PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"),
 204         PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"),
 205         PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"),
 206         PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"),
 207         PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"),
 208         PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"),
 209         PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"),
 210         PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"),
 211         PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"),
 212         PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"),
 213         PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"),
 214         PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"),
 215         PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"),
 216         PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"),
 217         PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"),
 218         PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"),
 219         PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"),
 220         PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"),
 221         PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"),
 222         PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"),
 223         PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"),
 224         PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"),
 225         PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"),
 226         PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"),
 227         PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"),
 228         PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"),
 229         PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"),
 230         PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"),
 231         PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"),
 232         PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"),
 233         PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"),
 234         PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"),
 235         PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"),
 236         PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"),
 237         PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"),
 238         PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"),
 239         PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"),
 240         PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"),
 241         PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"),
 242         PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"),
 243         PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"),
 244         PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"),
 245         PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"),
 246         PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"),
 247         PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"),
 248         PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"),
 249         PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"),
 250         PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"),
 251         PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"),
 252         PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"),
 253         PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"),
 254         PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"),
 255         PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"),
 256         PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"),
 257         PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"),
 258         PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"),
 259         PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"),
 260         PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"),
 261         PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"),
 262         PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"),
 263         PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"),
 264         PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"),
 265         PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"),
 266 };
 267
 268 /*
 269  * Read the pin group names like this:
 270  * u0_a_1    = first groups of pins for uart0 on alt function a
 271  * i2c2_b_2  = second group of pins for i2c2 on alt function b
 272  */
 273
 274 /* Altfunction A */
 275 static const unsigned u0txrx_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5 };
 276 static const unsigned u0ctsrts_a_1_pins[] = { STN8815_PIN_C5, STN8815_PIN_B6 };
 277 /* Modem pins: DCD, DSR, RI, DTR */
 278 static const unsigned u0modem_a_1_pins[] = { STN8815_PIN_A4, STN8815_PIN_B5,
 279         STN8815_PIN_D6, STN8815_PIN_C6 };
 280 static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10,
 281         STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12,
 282         STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 };
 283 static const unsigned mmcsd_b_1_pins[] = { STN8815_PIN_D15 };
 284 static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1,
 285                                         STN8815_PIN_F3, STN8815_PIN_F2 };
 286 static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 };
 287 static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 };
 288 /* Altfunction B */
 289 static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 };
 290 static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 };
 291 static const unsigned clcd_16_23_b_1_pins[] = { STN8815_PIN_AB6,
 292         STN8815_PIN_AA6, STN8815_PIN_Y6, STN8815_PIN_Y5, STN8815_PIN_AA5,
 293         STN8815_PIN_AB5, STN8815_PIN_AB4, STN8815_PIN_Y4 };
 294 /* Full-speed and high-speed USB pins */
 295 static const unsigned usbfs_b_1_pins[] = { STN8815_PIN_E21, STN8815_PIN_E20,
 296                                            STN8815_PIN_C22, STN8815_PIN_D21,
 297                                            STN8815_PIN_D20, STN8815_PIN_C21,
 298                                            STN8815_PIN_C20 };
 299 static const unsigned usbhs_c_1_pins[] = { STN8815_PIN_E21, STN8815_PIN_E20,
 300                                            STN8815_PIN_C20, STN8815_PIN_C19,
 301                                            STN8815_PIN_C22, STN8815_PIN_D21,
 302                                            STN8815_PIN_D20, STN8815_PIN_C21,
 303                                            STN8815_PIN_C16, STN8815_PIN_A15,
 304                                            STN8815_PIN_D17, STN8815_PIN_C17 };
 305
 306 #define STN8815_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins,         \
 307                         .npins = ARRAY_SIZE(a##_pins), .altsetting = b }
 308
 309 static const struct nmk_pingroup nmk_stn8815_groups[] = {
 310         STN8815_PIN_GROUP(u0txrx_a_1, NMK_GPIO_ALT_A),
 311         STN8815_PIN_GROUP(u0ctsrts_a_1, NMK_GPIO_ALT_A),
 312         STN8815_PIN_GROUP(u0modem_a_1, NMK_GPIO_ALT_A),
 313         STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),
 314         STN8815_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),
 315         STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A),
 316         STN8815_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A),
 317         STN8815_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A),
 318         STN8815_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B),
 319         STN8815_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B),
 320         STN8815_PIN_GROUP(clcd_16_23_b_1, NMK_GPIO_ALT_B),
 321         STN8815_PIN_GROUP(usbfs_b_1, NMK_GPIO_ALT_B),
 322         STN8815_PIN_GROUP(usbhs_c_1, NMK_GPIO_ALT_C),
 323 };
 324
 325 /* We use this macro to define the groups applicable to a function */
 326 #define STN8815_FUNC_GROUPS(a, b...)       \
 327 static const char * const a##_groups[] = { b };
 328
 329 STN8815_FUNC_GROUPS(u0, "u0txrx_a_1", "u0ctsrts_a_1", "u0modem_a_1");
 330 STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_1");
 331 STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1");
 332 STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1");
 333 STN8815_FUNC_GROUPS(i2c0, "i2c0_a_1");
 334 STN8815_FUNC_GROUPS(i2cusb, "i2cusb_b_1");
 335 STN8815_FUNC_GROUPS(clcd, "clcd_16_23_b_1");
 336 STN8815_FUNC_GROUPS(usb, "usbfs_b_1", "usbhs_c_1");
 337
 338 #define FUNCTION(fname)                                 \
 339         {                                               \
 340                 .name = #fname,                         \
 341                 .groups = fname##_groups,               \
 342                 .ngroups = ARRAY_SIZE(fname##_groups),  \
 343         }
 344
 345 static const struct nmk_function nmk_stn8815_functions[] = {
 346         FUNCTION(u0),
 347         FUNCTION(mmcsd),
 348         FUNCTION(u1),
 349         FUNCTION(i2c1),
 350         FUNCTION(i2c0),
 351         FUNCTION(i2cusb),
 352         FUNCTION(clcd),
 353         FUNCTION(usb),
 354 };
 355
 356 static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = {
 357         .pins = nmk_stn8815_pins,
 358         .npins = ARRAY_SIZE(nmk_stn8815_pins),
 359         .functions = nmk_stn8815_functions,
 360         .nfunctions = ARRAY_SIZE(nmk_stn8815_functions),
 361         .groups = nmk_stn8815_groups,
 362         .ngroups = ARRAY_SIZE(nmk_stn8815_groups),
 363 };
 364
 365 void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc)
 366 {
 367         *soc = &nmk_stn8815_soc;
 368 }