drivers/pinctrl/nomadik/pinctrl-ab8500.c

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This source file includes following definitions.
abx500_pinctrl_ab8500_init
   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) ST-Ericsson SA 2012
   4  *
   5  * Author: Patrice Chotard <patrice.chotard@stericsson.com> for ST-Ericsson.
   6  */
   7 
   8 #include <linux/kernel.h>
   9 #include <linux/gpio/driver.h>
  10 #include <linux/pinctrl/pinctrl.h>
  11 #include <linux/mfd/abx500/ab8500.h>
  12 #include "pinctrl-abx500.h"
  13 
  14 /* All the pins that can be used for GPIO and some other functions */
  15 #define ABX500_GPIO(offset)             (offset)
  16 
  17 #define AB8500_PIN_T10          ABX500_GPIO(1)
  18 #define AB8500_PIN_T9           ABX500_GPIO(2)
  19 #define AB8500_PIN_U9           ABX500_GPIO(3)
  20 #define AB8500_PIN_W2           ABX500_GPIO(4)
  21 /* hole */
  22 #define AB8500_PIN_Y18          ABX500_GPIO(6)
  23 #define AB8500_PIN_AA20         ABX500_GPIO(7)
  24 #define AB8500_PIN_W18          ABX500_GPIO(8)
  25 #define AB8500_PIN_AA19         ABX500_GPIO(9)
  26 #define AB8500_PIN_U17          ABX500_GPIO(10)
  27 #define AB8500_PIN_AA18         ABX500_GPIO(11)
  28 #define AB8500_PIN_U16          ABX500_GPIO(12)
  29 #define AB8500_PIN_W17          ABX500_GPIO(13)
  30 #define AB8500_PIN_F14          ABX500_GPIO(14)
  31 #define AB8500_PIN_B17          ABX500_GPIO(15)
  32 #define AB8500_PIN_F15          ABX500_GPIO(16)
  33 #define AB8500_PIN_P5           ABX500_GPIO(17)
  34 #define AB8500_PIN_R5           ABX500_GPIO(18)
  35 #define AB8500_PIN_U5           ABX500_GPIO(19)
  36 #define AB8500_PIN_T5           ABX500_GPIO(20)
  37 #define AB8500_PIN_H19          ABX500_GPIO(21)
  38 #define AB8500_PIN_G20          ABX500_GPIO(22)
  39 #define AB8500_PIN_G19          ABX500_GPIO(23)
  40 #define AB8500_PIN_T14          ABX500_GPIO(24)
  41 #define AB8500_PIN_R16          ABX500_GPIO(25)
  42 #define AB8500_PIN_M16          ABX500_GPIO(26)
  43 #define AB8500_PIN_J6           ABX500_GPIO(27)
  44 #define AB8500_PIN_K6           ABX500_GPIO(28)
  45 #define AB8500_PIN_G6           ABX500_GPIO(29)
  46 #define AB8500_PIN_H6           ABX500_GPIO(30)
  47 #define AB8500_PIN_F5           ABX500_GPIO(31)
  48 #define AB8500_PIN_G5           ABX500_GPIO(32)
  49 /* hole */
  50 #define AB8500_PIN_R17          ABX500_GPIO(34)
  51 #define AB8500_PIN_W15          ABX500_GPIO(35)
  52 #define AB8500_PIN_A17          ABX500_GPIO(36)
  53 #define AB8500_PIN_E15          ABX500_GPIO(37)
  54 #define AB8500_PIN_C17          ABX500_GPIO(38)
  55 #define AB8500_PIN_E16          ABX500_GPIO(39)
  56 #define AB8500_PIN_T19          ABX500_GPIO(40)
  57 #define AB8500_PIN_U19          ABX500_GPIO(41)
  58 #define AB8500_PIN_U2           ABX500_GPIO(42)
  59 
  60 /* indicates the highest GPIO number */
  61 #define AB8500_GPIO_MAX_NUMBER  42
  62 
  63 /*
  64  * The names of the pins are denoted by GPIO number and ball name, even
  65  * though they can be used for other things than GPIO, this is the first
  66  * column in the table of the data sheet and often used on schematics and
  67  * such.
  68  */
  69 static const struct pinctrl_pin_desc ab8500_pins[] = {
  70         PINCTRL_PIN(AB8500_PIN_T10, "GPIO1_T10"),
  71         PINCTRL_PIN(AB8500_PIN_T9, "GPIO2_T9"),
  72         PINCTRL_PIN(AB8500_PIN_U9, "GPIO3_U9"),
  73         PINCTRL_PIN(AB8500_PIN_W2, "GPIO4_W2"),
  74         /* hole */
  75         PINCTRL_PIN(AB8500_PIN_Y18, "GPIO6_Y18"),
  76         PINCTRL_PIN(AB8500_PIN_AA20, "GPIO7_AA20"),
  77         PINCTRL_PIN(AB8500_PIN_W18, "GPIO8_W18"),
  78         PINCTRL_PIN(AB8500_PIN_AA19, "GPIO9_AA19"),
  79         PINCTRL_PIN(AB8500_PIN_U17, "GPIO10_U17"),
  80         PINCTRL_PIN(AB8500_PIN_AA18, "GPIO11_AA18"),
  81         PINCTRL_PIN(AB8500_PIN_U16, "GPIO12_U16"),
  82         PINCTRL_PIN(AB8500_PIN_W17, "GPIO13_W17"),
  83         PINCTRL_PIN(AB8500_PIN_F14, "GPIO14_F14"),
  84         PINCTRL_PIN(AB8500_PIN_B17, "GPIO15_B17"),
  85         PINCTRL_PIN(AB8500_PIN_F15, "GPIO16_F15"),
  86         PINCTRL_PIN(AB8500_PIN_P5, "GPIO17_P5"),
  87         PINCTRL_PIN(AB8500_PIN_R5, "GPIO18_R5"),
  88         PINCTRL_PIN(AB8500_PIN_U5, "GPIO19_U5"),
  89         PINCTRL_PIN(AB8500_PIN_T5, "GPIO20_T5"),
  90         PINCTRL_PIN(AB8500_PIN_H19, "GPIO21_H19"),
  91         PINCTRL_PIN(AB8500_PIN_G20, "GPIO22_G20"),
  92         PINCTRL_PIN(AB8500_PIN_G19, "GPIO23_G19"),
  93         PINCTRL_PIN(AB8500_PIN_T14, "GPIO24_T14"),
  94         PINCTRL_PIN(AB8500_PIN_R16, "GPIO25_R16"),
  95         PINCTRL_PIN(AB8500_PIN_M16, "GPIO26_M16"),
  96         PINCTRL_PIN(AB8500_PIN_J6, "GPIO27_J6"),
  97         PINCTRL_PIN(AB8500_PIN_K6, "GPIO28_K6"),
  98         PINCTRL_PIN(AB8500_PIN_G6, "GPIO29_G6"),
  99         PINCTRL_PIN(AB8500_PIN_H6, "GPIO30_H6"),
 100         PINCTRL_PIN(AB8500_PIN_F5, "GPIO31_F5"),
 101         PINCTRL_PIN(AB8500_PIN_G5, "GPIO32_G5"),
 102         /* hole */
 103         PINCTRL_PIN(AB8500_PIN_R17, "GPIO34_R17"),
 104         PINCTRL_PIN(AB8500_PIN_W15, "GPIO35_W15"),
 105         PINCTRL_PIN(AB8500_PIN_A17, "GPIO36_A17"),
 106         PINCTRL_PIN(AB8500_PIN_E15, "GPIO37_E15"),
 107         PINCTRL_PIN(AB8500_PIN_C17, "GPIO38_C17"),
 108         PINCTRL_PIN(AB8500_PIN_E16, "GPIO39_E16"),
 109         PINCTRL_PIN(AB8500_PIN_T19, "GPIO40_T19"),
 110         PINCTRL_PIN(AB8500_PIN_U19, "GPIO41_U19"),
 111         PINCTRL_PIN(AB8500_PIN_U2, "GPIO42_U2"),
 112 };
 113 
 114 /*
 115  * Maps local GPIO offsets to local pin numbers
 116  */
 117 static const struct abx500_pinrange ab8500_pinranges[] = {
 118         ABX500_PINRANGE(1, 4, ABX500_ALT_A),
 119         ABX500_PINRANGE(6, 4, ABX500_ALT_A),
 120         ABX500_PINRANGE(10, 4, ABX500_DEFAULT),
 121         ABX500_PINRANGE(14, 12, ABX500_ALT_A),
 122         ABX500_PINRANGE(26, 1, ABX500_DEFAULT),
 123         ABX500_PINRANGE(27, 6, ABX500_ALT_A),
 124         ABX500_PINRANGE(34, 1, ABX500_ALT_A),
 125         ABX500_PINRANGE(35, 1, ABX500_DEFAULT),
 126         ABX500_PINRANGE(36, 7, ABX500_ALT_A),
 127 };
 128 
 129 /*
 130  * Read the pin group names like this:
 131  * sysclkreq2_d_1 = first groups of pins for sysclkreq2 on default function
 132  *
 133  * The groups are arranged as sets per altfunction column, so we can
 134  * mux in one group at a time by selecting the same altfunction for them
 135  * all. When functions require pins on different altfunctions, you need
 136  * to combine several groups.
 137  */
 138 
 139 /* default column */
 140 static const unsigned sysclkreq2_d_1_pins[] = { AB8500_PIN_T10 };
 141 static const unsigned sysclkreq3_d_1_pins[] = { AB8500_PIN_T9 };
 142 static const unsigned sysclkreq4_d_1_pins[] = { AB8500_PIN_U9 };
 143 static const unsigned sysclkreq6_d_1_pins[] = { AB8500_PIN_W2 };
 144 static const unsigned ycbcr0123_d_1_pins[] = { AB8500_PIN_Y18, AB8500_PIN_AA20,
 145                                         AB8500_PIN_W18, AB8500_PIN_AA19};
 146 static const unsigned gpio10_d_1_pins[] = { AB8500_PIN_U17 };
 147 static const unsigned gpio11_d_1_pins[] = { AB8500_PIN_AA18 };
 148 static const unsigned gpio12_d_1_pins[] = { AB8500_PIN_U16 };
 149 static const unsigned gpio13_d_1_pins[] = { AB8500_PIN_W17 };
 150 static const unsigned pwmout1_d_1_pins[] = { AB8500_PIN_F14 };
 151 static const unsigned pwmout2_d_1_pins[] = { AB8500_PIN_B17 };
 152 static const unsigned pwmout3_d_1_pins[] = { AB8500_PIN_F15 };
 153 
 154 /* audio data interface 1*/
 155 static const unsigned adi1_d_1_pins[] = { AB8500_PIN_P5, AB8500_PIN_R5,
 156                                         AB8500_PIN_U5, AB8500_PIN_T5 };
 157 /* USBUICC */
 158 static const unsigned usbuicc_d_1_pins[] = { AB8500_PIN_H19, AB8500_PIN_G20,
 159                                         AB8500_PIN_G19 };
 160 static const unsigned sysclkreq7_d_1_pins[] = { AB8500_PIN_T14 };
 161 static const unsigned sysclkreq8_d_1_pins[] = { AB8500_PIN_R16 };
 162 static const unsigned gpio26_d_1_pins[] = { AB8500_PIN_M16 };
 163 /* Digital microphone 1 and 2 */
 164 static const unsigned dmic12_d_1_pins[] = { AB8500_PIN_J6, AB8500_PIN_K6 };
 165 /* Digital microphone 3 and 4 */
 166 static const unsigned dmic34_d_1_pins[] = { AB8500_PIN_G6, AB8500_PIN_H6 };
 167 /* Digital microphone 5 and 6 */
 168 static const unsigned dmic56_d_1_pins[] = { AB8500_PIN_F5, AB8500_PIN_G5 };
 169 static const unsigned extcpena_d_1_pins[] = { AB8500_PIN_R17 };
 170 static const unsigned gpio35_d_1_pins[] = { AB8500_PIN_W15 };
 171 /* APE SPI */
 172 static const unsigned apespi_d_1_pins[] = { AB8500_PIN_A17, AB8500_PIN_E15,
 173                                         AB8500_PIN_C17, AB8500_PIN_E16};
 174 /* modem SDA/SCL */
 175 static const unsigned modsclsda_d_1_pins[] = { AB8500_PIN_T19, AB8500_PIN_U19 };
 176 static const unsigned sysclkreq5_d_1_pins[] = { AB8500_PIN_U2 };
 177 
 178 /* Altfunction A column */
 179 static const unsigned gpio1_a_1_pins[] = { AB8500_PIN_T10 };
 180 static const unsigned gpio2_a_1_pins[] = { AB8500_PIN_T9 };
 181 static const unsigned gpio3_a_1_pins[] = { AB8500_PIN_U9 };
 182 static const unsigned gpio4_a_1_pins[] = { AB8500_PIN_W2 };
 183 static const unsigned gpio6_a_1_pins[] = { AB8500_PIN_Y18 };
 184 static const unsigned gpio7_a_1_pins[] = { AB8500_PIN_AA20 };
 185 static const unsigned gpio8_a_1_pins[] = { AB8500_PIN_W18 };
 186 static const unsigned gpio9_a_1_pins[] = { AB8500_PIN_AA19 };
 187 /* YCbCr4 YCbCr5 YCbCr6 YCbCr7*/
 188 static const unsigned ycbcr4567_a_1_pins[] = { AB8500_PIN_U17, AB8500_PIN_AA18,
 189                                         AB8500_PIN_U16, AB8500_PIN_W17};
 190 static const unsigned gpio14_a_1_pins[] = { AB8500_PIN_F14 };
 191 static const unsigned gpio15_a_1_pins[] = { AB8500_PIN_B17 };
 192 static const unsigned gpio16_a_1_pins[] = { AB8500_PIN_F15 };
 193 static const unsigned gpio17_a_1_pins[] = { AB8500_PIN_P5 };
 194 static const unsigned gpio18_a_1_pins[] = { AB8500_PIN_R5 };
 195 static const unsigned gpio19_a_1_pins[] = { AB8500_PIN_U5 };
 196 static const unsigned gpio20_a_1_pins[] = { AB8500_PIN_T5 };
 197 static const unsigned gpio21_a_1_pins[] = { AB8500_PIN_H19 };
 198 static const unsigned gpio22_a_1_pins[] = { AB8500_PIN_G20 };
 199 static const unsigned gpio23_a_1_pins[] = { AB8500_PIN_G19 };
 200 static const unsigned gpio24_a_1_pins[] = { AB8500_PIN_T14 };
 201 static const unsigned gpio25_a_1_pins[] = { AB8500_PIN_R16 };
 202 static const unsigned gpio27_a_1_pins[] = { AB8500_PIN_J6 };
 203 static const unsigned gpio28_a_1_pins[] = { AB8500_PIN_K6 };
 204 static const unsigned gpio29_a_1_pins[] = { AB8500_PIN_G6 };
 205 static const unsigned gpio30_a_1_pins[] = { AB8500_PIN_H6 };
 206 static const unsigned gpio31_a_1_pins[] = { AB8500_PIN_F5 };
 207 static const unsigned gpio32_a_1_pins[] = { AB8500_PIN_G5 };
 208 static const unsigned gpio34_a_1_pins[] = { AB8500_PIN_R17 };
 209 static const unsigned gpio36_a_1_pins[] = { AB8500_PIN_A17 };
 210 static const unsigned gpio37_a_1_pins[] = { AB8500_PIN_E15 };
 211 static const unsigned gpio38_a_1_pins[] = { AB8500_PIN_C17 };
 212 static const unsigned gpio39_a_1_pins[] = { AB8500_PIN_E16 };
 213 static const unsigned gpio40_a_1_pins[] = { AB8500_PIN_T19 };
 214 static const unsigned gpio41_a_1_pins[] = { AB8500_PIN_U19 };
 215 static const unsigned gpio42_a_1_pins[] = { AB8500_PIN_U2 };
 216 
 217 /* Altfunction B colum */
 218 static const unsigned hiqclkena_b_1_pins[] = { AB8500_PIN_U17 };
 219 static const unsigned usbuiccpd_b_1_pins[] = { AB8500_PIN_AA18 };
 220 static const unsigned i2ctrig1_b_1_pins[] = { AB8500_PIN_U16 };
 221 static const unsigned i2ctrig2_b_1_pins[] = { AB8500_PIN_W17 };
 222 
 223 /* Altfunction C column */
 224 static const unsigned usbvdat_c_1_pins[] = { AB8500_PIN_W17 };
 225 
 226 
 227 #define AB8500_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins,          \
 228                         .npins = ARRAY_SIZE(a##_pins), .altsetting = b }
 229 
 230 static const struct abx500_pingroup ab8500_groups[] = {
 231         /* default column */
 232         AB8500_PIN_GROUP(sysclkreq2_d_1, ABX500_DEFAULT),
 233         AB8500_PIN_GROUP(sysclkreq3_d_1, ABX500_DEFAULT),
 234         AB8500_PIN_GROUP(sysclkreq4_d_1, ABX500_DEFAULT),
 235         AB8500_PIN_GROUP(sysclkreq6_d_1, ABX500_DEFAULT),
 236         AB8500_PIN_GROUP(ycbcr0123_d_1, ABX500_DEFAULT),
 237         AB8500_PIN_GROUP(gpio10_d_1, ABX500_DEFAULT),
 238         AB8500_PIN_GROUP(gpio11_d_1, ABX500_DEFAULT),
 239         AB8500_PIN_GROUP(gpio12_d_1, ABX500_DEFAULT),
 240         AB8500_PIN_GROUP(gpio13_d_1, ABX500_DEFAULT),
 241         AB8500_PIN_GROUP(pwmout1_d_1, ABX500_DEFAULT),
 242         AB8500_PIN_GROUP(pwmout2_d_1, ABX500_DEFAULT),
 243         AB8500_PIN_GROUP(pwmout3_d_1, ABX500_DEFAULT),
 244         AB8500_PIN_GROUP(adi1_d_1, ABX500_DEFAULT),
 245         AB8500_PIN_GROUP(usbuicc_d_1, ABX500_DEFAULT),
 246         AB8500_PIN_GROUP(sysclkreq7_d_1, ABX500_DEFAULT),
 247         AB8500_PIN_GROUP(sysclkreq8_d_1, ABX500_DEFAULT),
 248         AB8500_PIN_GROUP(gpio26_d_1, ABX500_DEFAULT),
 249         AB8500_PIN_GROUP(dmic12_d_1, ABX500_DEFAULT),
 250         AB8500_PIN_GROUP(dmic34_d_1, ABX500_DEFAULT),
 251         AB8500_PIN_GROUP(dmic56_d_1, ABX500_DEFAULT),
 252         AB8500_PIN_GROUP(extcpena_d_1, ABX500_DEFAULT),
 253         AB8500_PIN_GROUP(gpio35_d_1, ABX500_DEFAULT),
 254         AB8500_PIN_GROUP(apespi_d_1, ABX500_DEFAULT),
 255         AB8500_PIN_GROUP(modsclsda_d_1, ABX500_DEFAULT),
 256         AB8500_PIN_GROUP(sysclkreq5_d_1, ABX500_DEFAULT),
 257         /* Altfunction A column */
 258         AB8500_PIN_GROUP(gpio1_a_1, ABX500_ALT_A),
 259         AB8500_PIN_GROUP(gpio2_a_1, ABX500_ALT_A),
 260         AB8500_PIN_GROUP(gpio3_a_1, ABX500_ALT_A),
 261         AB8500_PIN_GROUP(gpio4_a_1, ABX500_ALT_A),
 262         AB8500_PIN_GROUP(gpio6_a_1, ABX500_ALT_A),
 263         AB8500_PIN_GROUP(gpio7_a_1, ABX500_ALT_A),
 264         AB8500_PIN_GROUP(gpio8_a_1, ABX500_ALT_A),
 265         AB8500_PIN_GROUP(gpio9_a_1, ABX500_ALT_A),
 266         AB8500_PIN_GROUP(ycbcr4567_a_1, ABX500_ALT_A),
 267         AB8500_PIN_GROUP(gpio14_a_1, ABX500_ALT_A),
 268         AB8500_PIN_GROUP(gpio15_a_1, ABX500_ALT_A),
 269         AB8500_PIN_GROUP(gpio16_a_1, ABX500_ALT_A),
 270         AB8500_PIN_GROUP(gpio17_a_1, ABX500_ALT_A),
 271         AB8500_PIN_GROUP(gpio18_a_1, ABX500_ALT_A),
 272         AB8500_PIN_GROUP(gpio19_a_1, ABX500_ALT_A),
 273         AB8500_PIN_GROUP(gpio20_a_1, ABX500_ALT_A),
 274         AB8500_PIN_GROUP(gpio21_a_1, ABX500_ALT_A),
 275         AB8500_PIN_GROUP(gpio22_a_1, ABX500_ALT_A),
 276         AB8500_PIN_GROUP(gpio23_a_1, ABX500_ALT_A),
 277         AB8500_PIN_GROUP(gpio24_a_1, ABX500_ALT_A),
 278         AB8500_PIN_GROUP(gpio25_a_1, ABX500_ALT_A),
 279         AB8500_PIN_GROUP(gpio27_a_1, ABX500_ALT_A),
 280         AB8500_PIN_GROUP(gpio28_a_1, ABX500_ALT_A),
 281         AB8500_PIN_GROUP(gpio29_a_1, ABX500_ALT_A),
 282         AB8500_PIN_GROUP(gpio30_a_1, ABX500_ALT_A),
 283         AB8500_PIN_GROUP(gpio31_a_1, ABX500_ALT_A),
 284         AB8500_PIN_GROUP(gpio32_a_1, ABX500_ALT_A),
 285         AB8500_PIN_GROUP(gpio34_a_1, ABX500_ALT_A),
 286         AB8500_PIN_GROUP(gpio36_a_1, ABX500_ALT_A),
 287         AB8500_PIN_GROUP(gpio37_a_1, ABX500_ALT_A),
 288         AB8500_PIN_GROUP(gpio38_a_1, ABX500_ALT_A),
 289         AB8500_PIN_GROUP(gpio39_a_1, ABX500_ALT_A),
 290         AB8500_PIN_GROUP(gpio40_a_1, ABX500_ALT_A),
 291         AB8500_PIN_GROUP(gpio41_a_1, ABX500_ALT_A),
 292         AB8500_PIN_GROUP(gpio42_a_1, ABX500_ALT_A),
 293         /* Altfunction B column */
 294         AB8500_PIN_GROUP(hiqclkena_b_1, ABX500_ALT_B),
 295         AB8500_PIN_GROUP(usbuiccpd_b_1, ABX500_ALT_B),
 296         AB8500_PIN_GROUP(i2ctrig1_b_1, ABX500_ALT_B),
 297         AB8500_PIN_GROUP(i2ctrig2_b_1, ABX500_ALT_B),
 298         /* Altfunction C column */
 299         AB8500_PIN_GROUP(usbvdat_c_1, ABX500_ALT_C),
 300 };
 301 
 302 /* We use this macro to define the groups applicable to a function */
 303 #define AB8500_FUNC_GROUPS(a, b...)        \
 304 static const char * const a##_groups[] = { b };
 305 
 306 AB8500_FUNC_GROUPS(sysclkreq, "sysclkreq2_d_1", "sysclkreq3_d_1",
 307                 "sysclkreq4_d_1", "sysclkreq5_d_1", "sysclkreq6_d_1",
 308                 "sysclkreq7_d_1", "sysclkreq8_d_1");
 309 AB8500_FUNC_GROUPS(ycbcr, "ycbcr0123_d_1", "ycbcr4567_a_1");
 310 AB8500_FUNC_GROUPS(gpio, "gpio1_a_1", "gpio2_a_1", "gpio3_a_1", "gpio4_a_1",
 311                 "gpio6_a_1", "gpio7_a_1", "gpio8_a_1", "gpio9_a_1",
 312                 "gpio10_d_1", "gpio11_d_1", "gpio12_d_1", "gpio13_d_1",
 313                 "gpio14_a_1", "gpio15_a_1", "gpio16_a_1", "gpio17_a_1",
 314                 "gpio18_a_1", "gpio19_a_1", "gpio20_a_1", "gpio21_a_1",
 315                 "gpio22_a_1", "gpio23_a_1", "gpio24_a_1", "gpio25_a_1",
 316                 "gpio26_d_1", "gpio27_a_1", "gpio28_a_1", "gpio29_a_1",
 317                 "gpio30_a_1", "gpio31_a_1", "gpio32_a_1", "gpio34_a_1",
 318                 "gpio35_d_1", "gpio36_a_1", "gpio37_a_1", "gpio38_a_1",
 319                 "gpio39_a_1", "gpio40_a_1", "gpio41_a_1", "gpio42_a_1");
 320 AB8500_FUNC_GROUPS(pwmout, "pwmout1_d_1", "pwmout2_d_1", "pwmout3_d_1");
 321 AB8500_FUNC_GROUPS(adi1, "adi1_d_1");
 322 AB8500_FUNC_GROUPS(usbuicc, "usbuicc_d_1", "usbuiccpd_b_1");
 323 AB8500_FUNC_GROUPS(dmic, "dmic12_d_1", "dmic34_d_1", "dmic56_d_1");
 324 AB8500_FUNC_GROUPS(extcpena, "extcpena_d_1");
 325 AB8500_FUNC_GROUPS(apespi, "apespi_d_1");
 326 AB8500_FUNC_GROUPS(modsclsda, "modsclsda_d_1");
 327 AB8500_FUNC_GROUPS(hiqclkena, "hiqclkena_b_1");
 328 AB8500_FUNC_GROUPS(i2ctrig, "i2ctrig1_b_1", "i2ctrig2_b_1");
 329 AB8500_FUNC_GROUPS(usbvdat, "usbvdat_c_1");
 330 
 331 #define FUNCTION(fname)                                 \
 332         {                                               \
 333                 .name = #fname,                         \
 334                 .groups = fname##_groups,               \
 335                 .ngroups = ARRAY_SIZE(fname##_groups),  \
 336         }
 337 
 338 static const struct abx500_function ab8500_functions[] = {
 339         FUNCTION(sysclkreq),
 340         FUNCTION(ycbcr),
 341         FUNCTION(gpio),
 342         FUNCTION(pwmout),
 343         FUNCTION(adi1),
 344         FUNCTION(usbuicc),
 345         FUNCTION(dmic),
 346         FUNCTION(extcpena),
 347         FUNCTION(apespi),
 348         FUNCTION(modsclsda),
 349         FUNCTION(hiqclkena),
 350         FUNCTION(i2ctrig),
 351         FUNCTION(usbvdat),
 352 };
 353 
 354 /*
 355  * this table translates what's is in the AB8500 specification regarding the
 356  * balls alternate functions (as for DB, default, ALT_A, ALT_B and ALT_C).
 357  * ALTERNATE_FUNCTIONS(GPIO_NUMBER, GPIOSEL bit, ALTERNATFUNC bit1,
 358  * ALTERNATEFUNC bit2, ALTA val, ALTB val, ALTC val),
 359  *
 360  * example :
 361  *
 362  *      ALTERNATE_FUNCTIONS(13,     4,      3,      4, 0, 1 ,2),
 363  *      means that pin AB8500_PIN_W17 (pin 13) supports 4 mux (default/ALT_A,
 364  *      ALT_B and ALT_C), so GPIOSEL and ALTERNATFUNC registers are used to
 365  *      select the mux.  ALTA, ALTB and ALTC val indicates values to write in
 366  *      ALTERNATFUNC register. We need to specifies these values as SOC
 367  *      designers didn't apply the same logic on how to select mux in the
 368  *      ABx500 family.
 369  *
 370  *      As this pins supports at least ALT_B mux, default mux is
 371  *      selected by writing 1 in GPIOSEL bit :
 372  *
 373  *              | GPIOSEL bit=4 | alternatfunc bit2=4 | alternatfunc bit1=3
 374  *      default |       1       |          0          |          0
 375  *      alt_A   |       0       |          0          |          0
 376  *      alt_B   |       0       |          0          |          1
 377  *      alt_C   |       0       |          1          |          0
 378  *
 379  *      ALTERNATE_FUNCTIONS(8,      7, UNUSED, UNUSED),
 380  *      means that pin AB8500_PIN_W18 (pin 8) supports 2 mux, so only GPIOSEL
 381  *      register is used to select the mux. As this pins doesn't support at
 382  *      least ALT_B mux, default mux is by writing 0 in GPIOSEL bit :
 383  *
 384  *              | GPIOSEL bit=7 | alternatfunc bit2=  | alternatfunc bit1=
 385  *      default |       0       |          0          |          0
 386  *      alt_A   |       1       |          0          |          0
 387  */
 388 
 389 static struct
 390 alternate_functions ab8500_alternate_functions[AB8500_GPIO_MAX_NUMBER + 1] = {
 391         ALTERNATE_FUNCTIONS(0, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO0 */
 392         ALTERNATE_FUNCTIONS(1,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO1, altA controlled by bit 0 */
 393         ALTERNATE_FUNCTIONS(2,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO2, altA controlled by bit 1 */
 394         ALTERNATE_FUNCTIONS(3,      2, UNUSED, UNUSED, 0, 0, 0), /* GPIO3, altA controlled by bit 2*/
 395         ALTERNATE_FUNCTIONS(4,      3, UNUSED, UNUSED, 0, 0, 0), /* GPIO4, altA controlled by bit 3*/
 396         /* bit 4 reserved */
 397         ALTERNATE_FUNCTIONS(5, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO5 */
 398         ALTERNATE_FUNCTIONS(6,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO6, altA controlled by bit 5*/
 399         ALTERNATE_FUNCTIONS(7,      6, UNUSED, UNUSED, 0, 0, 0), /* GPIO7, altA controlled by bit 6*/
 400         ALTERNATE_FUNCTIONS(8,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO8, altA controlled by bit 7*/
 401 
 402         ALTERNATE_FUNCTIONS(9,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO9, altA controlled by bit 0*/
 403         ALTERNATE_FUNCTIONS(10,     1,      0, UNUSED, 0, 1, 0), /* GPIO10, altA and altB controlled by bit 0 */
 404         ALTERNATE_FUNCTIONS(11,     2,      1, UNUSED, 0, 1, 0), /* GPIO11, altA and altB controlled by bit 1 */
 405         ALTERNATE_FUNCTIONS(12,     3,      2, UNUSED, 0, 1, 0), /* GPIO12, altA and altB controlled by bit 2 */
 406         ALTERNATE_FUNCTIONS(13,     4,      3,      4, 0, 1, 2), /* GPIO13, altA altB and altC controlled by bit 3 and 4 */
 407         ALTERNATE_FUNCTIONS(14,     5, UNUSED, UNUSED, 0, 0, 0), /* GPIO14, altA controlled by bit 5 */
 408         ALTERNATE_FUNCTIONS(15,     6, UNUSED, UNUSED, 0, 0, 0), /* GPIO15, altA controlled by bit 6 */
 409         ALTERNATE_FUNCTIONS(16,     7, UNUSED, UNUSED, 0, 0, 0), /* GPIO16, altA controlled by bit 7 */
 410         /*
 411          * pins 17 to 20 are special case, only bit 0 is used to select
 412          * alternate function for these 4 pins.
 413          * bits 1 to 3 are reserved
 414          */
 415         ALTERNATE_FUNCTIONS(17,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO17, altA controlled by bit 0 */
 416         ALTERNATE_FUNCTIONS(18,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO18, altA controlled by bit 0 */
 417         ALTERNATE_FUNCTIONS(19,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO19, altA controlled by bit 0 */
 418         ALTERNATE_FUNCTIONS(20,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO20, altA controlled by bit 0 */
 419         ALTERNATE_FUNCTIONS(21,      4, UNUSED, UNUSED, 0, 0, 0), /* GPIO21, altA controlled by bit 4 */
 420         ALTERNATE_FUNCTIONS(22,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO22, altA controlled by bit 5 */
 421         ALTERNATE_FUNCTIONS(23,      6, UNUSED, UNUSED, 0, 0, 0), /* GPIO23, altA controlled by bit 6 */
 422         ALTERNATE_FUNCTIONS(24,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO24, altA controlled by bit 7 */
 423 
 424         ALTERNATE_FUNCTIONS(25,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO25, altA controlled by bit 0 */
 425         /* pin 26 special case, no alternate function, bit 1 reserved */
 426         ALTERNATE_FUNCTIONS(26, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* GPIO26 */
 427         ALTERNATE_FUNCTIONS(27,      2, UNUSED, UNUSED, 0, 0, 0), /* GPIO27, altA controlled by bit 2 */
 428         ALTERNATE_FUNCTIONS(28,      3, UNUSED, UNUSED, 0, 0, 0), /* GPIO28, altA controlled by bit 3 */
 429         ALTERNATE_FUNCTIONS(29,      4, UNUSED, UNUSED, 0, 0, 0), /* GPIO29, altA controlled by bit 4 */
 430         ALTERNATE_FUNCTIONS(30,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO30, altA controlled by bit 5 */
 431         ALTERNATE_FUNCTIONS(31,      6, UNUSED, UNUSED, 0, 0, 0), /* GPIO31, altA controlled by bit 6 */
 432         ALTERNATE_FUNCTIONS(32,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO32, altA controlled by bit 7 */
 433 
 434         ALTERNATE_FUNCTIONS(33, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO33 */
 435         ALTERNATE_FUNCTIONS(34,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO34, altA controlled by bit 1 */
 436         /* pin 35 special case, no alternate function, bit 2 reserved */
 437         ALTERNATE_FUNCTIONS(35, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* GPIO35 */
 438         ALTERNATE_FUNCTIONS(36,      3, UNUSED, UNUSED, 0, 0, 0), /* GPIO36, altA controlled by bit 3 */
 439         ALTERNATE_FUNCTIONS(37,      4, UNUSED, UNUSED, 0, 0, 0), /* GPIO37, altA controlled by bit 4 */
 440         ALTERNATE_FUNCTIONS(38,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO38, altA controlled by bit 5 */
 441         ALTERNATE_FUNCTIONS(39,      6, UNUSED, UNUSED, 0, 0, 0), /* GPIO39, altA controlled by bit 6 */
 442         ALTERNATE_FUNCTIONS(40,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO40, altA controlled by bit 7 */
 443 
 444         ALTERNATE_FUNCTIONS(41,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO41, altA controlled by bit 0 */
 445         ALTERNATE_FUNCTIONS(42,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO42, altA controlled by bit 1 */
 446 };
 447 
 448 /*
 449  * Only some GPIOs are interrupt capable, and they are
 450  * organized in discontiguous clusters:
 451  *
 452  *      GPIO6 to GPIO13
 453  *      GPIO24 and GPIO25
 454  *      GPIO36 to GPIO41
 455  */
 456 static struct abx500_gpio_irq_cluster ab8500_gpio_irq_cluster[] = {
 457         GPIO_IRQ_CLUSTER(6,  13, AB8500_INT_GPIO6R),
 458         GPIO_IRQ_CLUSTER(24, 25, AB8500_INT_GPIO24R),
 459         GPIO_IRQ_CLUSTER(36, 41, AB8500_INT_GPIO36R),
 460 };
 461 
 462 static struct abx500_pinctrl_soc_data ab8500_soc = {
 463         .gpio_ranges = ab8500_pinranges,
 464         .gpio_num_ranges = ARRAY_SIZE(ab8500_pinranges),
 465         .pins = ab8500_pins,
 466         .npins = ARRAY_SIZE(ab8500_pins),
 467         .functions = ab8500_functions,
 468         .nfunctions = ARRAY_SIZE(ab8500_functions),
 469         .groups = ab8500_groups,
 470         .ngroups = ARRAY_SIZE(ab8500_groups),
 471         .alternate_functions = ab8500_alternate_functions,
 472         .gpio_irq_cluster = ab8500_gpio_irq_cluster,
 473         .ngpio_irq_cluster = ARRAY_SIZE(ab8500_gpio_irq_cluster),
 474         .irq_gpio_rising_offset = AB8500_INT_GPIO6R,
 475         .irq_gpio_falling_offset = AB8500_INT_GPIO6F,
 476         .irq_gpio_factor = 1,
 477 };
 478 
 479 void abx500_pinctrl_ab8500_init(struct abx500_pinctrl_soc_data **soc)
 480 {
 481         *soc = &ab8500_soc;
 482 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/pinctrl/nomadik/pinctrl-ab8500.c

DEFINITIONS
