drivers/pinctrl/nomadik/pinctrl-ab8505.c

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This source file includes following definitions.
abx500_pinctrl_ab8505_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 AB8505_PIN_N4           ABX500_GPIO(1)
  18 #define AB8505_PIN_R5           ABX500_GPIO(2)
  19 #define AB8505_PIN_P5           ABX500_GPIO(3)
  20 /* hole */
  21 #define AB8505_PIN_B16          ABX500_GPIO(10)
  22 #define AB8505_PIN_B17          ABX500_GPIO(11)
  23 /* hole */
  24 #define AB8505_PIN_D17          ABX500_GPIO(13)
  25 #define AB8505_PIN_C16          ABX500_GPIO(14)
  26 /* hole */
  27 #define AB8505_PIN_P2           ABX500_GPIO(17)
  28 #define AB8505_PIN_N3           ABX500_GPIO(18)
  29 #define AB8505_PIN_T1           ABX500_GPIO(19)
  30 #define AB8505_PIN_P3           ABX500_GPIO(20)
  31 /* hole */
  32 #define AB8505_PIN_H14          ABX500_GPIO(34)
  33 /* hole */
  34 #define AB8505_PIN_J15          ABX500_GPIO(40)
  35 #define AB8505_PIN_J14          ABX500_GPIO(41)
  36 /* hole */
  37 #define AB8505_PIN_L4           ABX500_GPIO(50)
  38 /* hole */
  39 #define AB8505_PIN_D16          ABX500_GPIO(52)
  40 #define AB8505_PIN_D15          ABX500_GPIO(53)
  41 
  42 /* indicates the higher GPIO number */
  43 #define AB8505_GPIO_MAX_NUMBER  53
  44 
  45 /*
  46  * The names of the pins are denoted by GPIO number and ball name, even
  47  * though they can be used for other things than GPIO, this is the first
  48  * column in the table of the data sheet and often used on schematics and
  49  * such.
  50  */
  51 static const struct pinctrl_pin_desc ab8505_pins[] = {
  52         PINCTRL_PIN(AB8505_PIN_N4, "GPIO1_N4"),
  53         PINCTRL_PIN(AB8505_PIN_R5, "GPIO2_R5"),
  54         PINCTRL_PIN(AB8505_PIN_P5, "GPIO3_P5"),
  55 /* hole */
  56         PINCTRL_PIN(AB8505_PIN_B16, "GPIO10_B16"),
  57         PINCTRL_PIN(AB8505_PIN_B17, "GPIO11_B17"),
  58 /* hole */
  59         PINCTRL_PIN(AB8505_PIN_D17, "GPIO13_D17"),
  60         PINCTRL_PIN(AB8505_PIN_C16, "GPIO14_C16"),
  61 /* hole */
  62         PINCTRL_PIN(AB8505_PIN_P2, "GPIO17_P2"),
  63         PINCTRL_PIN(AB8505_PIN_N3, "GPIO18_N3"),
  64         PINCTRL_PIN(AB8505_PIN_T1, "GPIO19_T1"),
  65         PINCTRL_PIN(AB8505_PIN_P3, "GPIO20_P3"),
  66 /* hole */
  67         PINCTRL_PIN(AB8505_PIN_H14, "GPIO34_H14"),
  68 /* hole */
  69         PINCTRL_PIN(AB8505_PIN_J15, "GPIO40_J15"),
  70         PINCTRL_PIN(AB8505_PIN_J14, "GPIO41_J14"),
  71 /* hole */
  72         PINCTRL_PIN(AB8505_PIN_L4, "GPIO50_L4"),
  73 /* hole */
  74         PINCTRL_PIN(AB8505_PIN_D16, "GPIO52_D16"),
  75         PINCTRL_PIN(AB8505_PIN_D15, "GPIO53_D15"),
  76 };
  77 
  78 /*
  79  * Maps local GPIO offsets to local pin numbers
  80  */
  81 static const struct abx500_pinrange ab8505_pinranges[] = {
  82         ABX500_PINRANGE(1, 3, ABX500_ALT_A),
  83         ABX500_PINRANGE(10, 2, ABX500_DEFAULT),
  84         ABX500_PINRANGE(13, 1, ABX500_DEFAULT),
  85         ABX500_PINRANGE(14, 1, ABX500_ALT_A),
  86         ABX500_PINRANGE(17, 4, ABX500_ALT_A),
  87         ABX500_PINRANGE(34, 1, ABX500_ALT_A),
  88         ABX500_PINRANGE(40, 2, ABX500_ALT_A),
  89         ABX500_PINRANGE(50, 1, ABX500_DEFAULT),
  90         ABX500_PINRANGE(52, 2, ABX500_ALT_A),
  91 };
  92 
  93 /*
  94  * Read the pin group names like this:
  95  * sysclkreq2_d_1 = first groups of pins for sysclkreq2 on default function
  96  *
  97  * The groups are arranged as sets per altfunction column, so we can
  98  * mux in one group at a time by selecting the same altfunction for them
  99  * all. When functions require pins on different altfunctions, you need
 100  * to combine several groups.
 101  */
 102 
 103 /* default column */
 104 static const unsigned sysclkreq2_d_1_pins[] = { AB8505_PIN_N4 };
 105 static const unsigned sysclkreq3_d_1_pins[] = { AB8505_PIN_R5 };
 106 static const unsigned sysclkreq4_d_1_pins[] = { AB8505_PIN_P5 };
 107 static const unsigned gpio10_d_1_pins[] = { AB8505_PIN_B16 };
 108 static const unsigned gpio11_d_1_pins[] = { AB8505_PIN_B17 };
 109 static const unsigned gpio13_d_1_pins[] = { AB8505_PIN_D17 };
 110 static const unsigned pwmout1_d_1_pins[] = { AB8505_PIN_C16 };
 111 /* audio data interface 2*/
 112 static const unsigned adi2_d_1_pins[] = { AB8505_PIN_P2, AB8505_PIN_N3,
 113                                         AB8505_PIN_T1, AB8505_PIN_P3 };
 114 static const unsigned extcpena_d_1_pins[] = { AB8505_PIN_H14 };
 115 /* modem SDA/SCL */
 116 static const unsigned modsclsda_d_1_pins[] = { AB8505_PIN_J15, AB8505_PIN_J14 };
 117 static const unsigned gpio50_d_1_pins[] = { AB8505_PIN_L4 };
 118 static const unsigned resethw_d_1_pins[] = { AB8505_PIN_D16 };
 119 static const unsigned service_d_1_pins[] = { AB8505_PIN_D15 };
 120 
 121 /* Altfunction A column */
 122 static const unsigned gpio1_a_1_pins[] = { AB8505_PIN_N4 };
 123 static const unsigned gpio2_a_1_pins[] = { AB8505_PIN_R5 };
 124 static const unsigned gpio3_a_1_pins[] = { AB8505_PIN_P5 };
 125 static const unsigned hiqclkena_a_1_pins[] = { AB8505_PIN_B16 };
 126 static const unsigned pdmclk_a_1_pins[] = { AB8505_PIN_B17 };
 127 static const unsigned uarttxdata_a_1_pins[] = { AB8505_PIN_D17 };
 128 static const unsigned gpio14_a_1_pins[] = { AB8505_PIN_C16 };
 129 static const unsigned gpio17_a_1_pins[] = { AB8505_PIN_P2 };
 130 static const unsigned gpio18_a_1_pins[] = { AB8505_PIN_N3 };
 131 static const unsigned gpio19_a_1_pins[] = { AB8505_PIN_T1 };
 132 static const unsigned gpio20_a_1_pins[] = { AB8505_PIN_P3 };
 133 static const unsigned gpio34_a_1_pins[] = { AB8505_PIN_H14 };
 134 static const unsigned gpio40_a_1_pins[] = { AB8505_PIN_J15 };
 135 static const unsigned gpio41_a_1_pins[] = { AB8505_PIN_J14 };
 136 static const unsigned uartrxdata_a_1_pins[] = { AB8505_PIN_J14 };
 137 static const unsigned gpio50_a_1_pins[] = { AB8505_PIN_L4 };
 138 static const unsigned gpio52_a_1_pins[] = { AB8505_PIN_D16 };
 139 static const unsigned gpio53_a_1_pins[] = { AB8505_PIN_D15 };
 140 
 141 /* Altfunction B colum */
 142 static const unsigned pdmdata_b_1_pins[] = { AB8505_PIN_B16 };
 143 static const unsigned extvibrapwm1_b_1_pins[] = { AB8505_PIN_D17 };
 144 static const unsigned extvibrapwm2_b_1_pins[] = { AB8505_PIN_L4 };
 145 
 146 /* Altfunction C column */
 147 static const unsigned usbvdat_c_1_pins[] = { AB8505_PIN_D17 };
 148 
 149 #define AB8505_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins,          \
 150                         .npins = ARRAY_SIZE(a##_pins), .altsetting = b }
 151 
 152 static const struct abx500_pingroup ab8505_groups[] = {
 153         AB8505_PIN_GROUP(sysclkreq2_d_1, ABX500_DEFAULT),
 154         AB8505_PIN_GROUP(sysclkreq3_d_1, ABX500_DEFAULT),
 155         AB8505_PIN_GROUP(sysclkreq4_d_1, ABX500_DEFAULT),
 156         AB8505_PIN_GROUP(gpio10_d_1, ABX500_DEFAULT),
 157         AB8505_PIN_GROUP(gpio11_d_1, ABX500_DEFAULT),
 158         AB8505_PIN_GROUP(gpio13_d_1, ABX500_DEFAULT),
 159         AB8505_PIN_GROUP(pwmout1_d_1, ABX500_DEFAULT),
 160         AB8505_PIN_GROUP(adi2_d_1, ABX500_DEFAULT),
 161         AB8505_PIN_GROUP(extcpena_d_1, ABX500_DEFAULT),
 162         AB8505_PIN_GROUP(modsclsda_d_1, ABX500_DEFAULT),
 163         AB8505_PIN_GROUP(gpio50_d_1, ABX500_DEFAULT),
 164         AB8505_PIN_GROUP(resethw_d_1, ABX500_DEFAULT),
 165         AB8505_PIN_GROUP(service_d_1, ABX500_DEFAULT),
 166         AB8505_PIN_GROUP(gpio1_a_1, ABX500_ALT_A),
 167         AB8505_PIN_GROUP(gpio2_a_1, ABX500_ALT_A),
 168         AB8505_PIN_GROUP(gpio3_a_1, ABX500_ALT_A),
 169         AB8505_PIN_GROUP(hiqclkena_a_1, ABX500_ALT_A),
 170         AB8505_PIN_GROUP(pdmclk_a_1, ABX500_ALT_A),
 171         AB8505_PIN_GROUP(uarttxdata_a_1, ABX500_ALT_A),
 172         AB8505_PIN_GROUP(gpio14_a_1, ABX500_ALT_A),
 173         AB8505_PIN_GROUP(gpio17_a_1, ABX500_ALT_A),
 174         AB8505_PIN_GROUP(gpio18_a_1, ABX500_ALT_A),
 175         AB8505_PIN_GROUP(gpio19_a_1, ABX500_ALT_A),
 176         AB8505_PIN_GROUP(gpio20_a_1, ABX500_ALT_A),
 177         AB8505_PIN_GROUP(gpio34_a_1, ABX500_ALT_A),
 178         AB8505_PIN_GROUP(gpio40_a_1, ABX500_ALT_A),
 179         AB8505_PIN_GROUP(gpio41_a_1, ABX500_ALT_A),
 180         AB8505_PIN_GROUP(uartrxdata_a_1, ABX500_ALT_A),
 181         AB8505_PIN_GROUP(gpio52_a_1, ABX500_ALT_A),
 182         AB8505_PIN_GROUP(gpio53_a_1, ABX500_ALT_A),
 183         AB8505_PIN_GROUP(pdmdata_b_1, ABX500_ALT_B),
 184         AB8505_PIN_GROUP(extvibrapwm1_b_1, ABX500_ALT_B),
 185         AB8505_PIN_GROUP(extvibrapwm2_b_1, ABX500_ALT_B),
 186         AB8505_PIN_GROUP(usbvdat_c_1, ABX500_ALT_C),
 187 };
 188 
 189 /* We use this macro to define the groups applicable to a function */
 190 #define AB8505_FUNC_GROUPS(a, b...)        \
 191 static const char * const a##_groups[] = { b };
 192 
 193 AB8505_FUNC_GROUPS(sysclkreq, "sysclkreq2_d_1", "sysclkreq3_d_1",
 194                 "sysclkreq4_d_1");
 195 AB8505_FUNC_GROUPS(gpio, "gpio1_a_1", "gpio2_a_1", "gpio3_a_1",
 196                 "gpio10_d_1", "gpio11_d_1", "gpio13_d_1", "gpio14_a_1",
 197                 "gpio17_a_1", "gpio18_a_1", "gpio19_a_1", "gpio20_a_1",
 198                 "gpio34_a_1", "gpio40_a_1", "gpio41_a_1", "gpio50_d_1",
 199                 "gpio52_a_1", "gpio53_a_1");
 200 AB8505_FUNC_GROUPS(pwmout, "pwmout1_d_1");
 201 AB8505_FUNC_GROUPS(adi2, "adi2_d_1");
 202 AB8505_FUNC_GROUPS(extcpena, "extcpena_d_1");
 203 AB8505_FUNC_GROUPS(modsclsda, "modsclsda_d_1");
 204 AB8505_FUNC_GROUPS(resethw, "resethw_d_1");
 205 AB8505_FUNC_GROUPS(service, "service_d_1");
 206 AB8505_FUNC_GROUPS(hiqclkena, "hiqclkena_a_1");
 207 AB8505_FUNC_GROUPS(pdm, "pdmclk_a_1", "pdmdata_b_1");
 208 AB8505_FUNC_GROUPS(uartdata, "uarttxdata_a_1", "uartrxdata_a_1");
 209 AB8505_FUNC_GROUPS(extvibra, "extvibrapwm1_b_1", "extvibrapwm2_b_1");
 210 AB8505_FUNC_GROUPS(usbvdat, "usbvdat_c_1");
 211 
 212 #define FUNCTION(fname)                                 \
 213         {                                               \
 214                 .name = #fname,                         \
 215                 .groups = fname##_groups,               \
 216                 .ngroups = ARRAY_SIZE(fname##_groups),  \
 217         }
 218 
 219 static const struct abx500_function ab8505_functions[] = {
 220         FUNCTION(sysclkreq),
 221         FUNCTION(gpio),
 222         FUNCTION(pwmout),
 223         FUNCTION(adi2),
 224         FUNCTION(extcpena),
 225         FUNCTION(modsclsda),
 226         FUNCTION(resethw),
 227         FUNCTION(service),
 228         FUNCTION(hiqclkena),
 229         FUNCTION(pdm),
 230         FUNCTION(uartdata),
 231         FUNCTION(extvibra),
 232         FUNCTION(extvibra),
 233         FUNCTION(usbvdat),
 234 };
 235 
 236 /*
 237  * this table translates what's is in the AB8505 specification regarding the
 238  * balls alternate functions (as for DB, default, ALT_A, ALT_B and ALT_C).
 239  * ALTERNATE_FUNCTIONS(GPIO_NUMBER, GPIOSEL bit, ALTERNATFUNC bit1,
 240  * ALTERNATEFUNC bit2, ALTA val, ALTB val, ALTC val),
 241  *
 242  * example :
 243  *
 244  *      ALTERNATE_FUNCTIONS(13,     4,      3,      4, 1, 0, 2),
 245  *      means that pin AB8505_PIN_D18 (pin 13) supports 4 mux (default/ALT_A,
 246  *      ALT_B and ALT_C), so GPIOSEL and ALTERNATFUNC registers are used to
 247  *      select the mux. ALTA, ALTB and ALTC val indicates values to write in
 248  *      ALTERNATFUNC register. We need to specifies these values as SOC
 249  *      designers didn't apply the same logic on how to select mux in the
 250  *      ABx500 family.
 251  *
 252  *      As this pins supports at least ALT_B mux, default mux is
 253  *      selected by writing 1 in GPIOSEL bit :
 254  *
 255  *              | GPIOSEL bit=4 | alternatfunc bit2=4 | alternatfunc bit1=3
 256  *      default |       1       |          0          |          0
 257  *      alt_A   |       0       |          0          |          1
 258  *      alt_B   |       0       |          0          |          0
 259  *      alt_C   |       0       |          1          |          0
 260  *
 261  *      ALTERNATE_FUNCTIONS(1,      0, UNUSED, UNUSED),
 262  *      means that pin AB9540_PIN_R4 (pin 1) supports 2 mux, so only GPIOSEL
 263  *      register is used to select the mux. As this pins doesn't support at
 264  *      least ALT_B mux, default mux is by writing 0 in GPIOSEL bit :
 265  *
 266  *              | GPIOSEL bit=0 | alternatfunc bit2=  | alternatfunc bit1=
 267  *      default |       0       |          0          |          0
 268  *      alt_A   |       1       |          0          |          0
 269  */
 270 
 271 static struct
 272 alternate_functions ab8505_alternate_functions[AB8505_GPIO_MAX_NUMBER + 1] = {
 273         ALTERNATE_FUNCTIONS(0, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO0 */
 274         ALTERNATE_FUNCTIONS(1,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO1, altA controlled by bit 0 */
 275         ALTERNATE_FUNCTIONS(2,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO2, altA controlled by bit 1 */
 276         ALTERNATE_FUNCTIONS(3,      2, UNUSED, UNUSED, 0, 0, 0), /* GPIO3, altA controlled by bit 2*/
 277         ALTERNATE_FUNCTIONS(4, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO4, bit 3 reserved */
 278         ALTERNATE_FUNCTIONS(5, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO5, bit 4 reserved */
 279         ALTERNATE_FUNCTIONS(6, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO6, bit 5 reserved */
 280         ALTERNATE_FUNCTIONS(7, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO7, bit 6 reserved */
 281         ALTERNATE_FUNCTIONS(8, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO8, bit 7 reserved */
 282 
 283         ALTERNATE_FUNCTIONS(9, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO9, bit 0 reserved */
 284         ALTERNATE_FUNCTIONS(10,      1,      0, UNUSED, 1, 0, 0), /* GPIO10, altA and altB controlled by bit 0 */
 285         ALTERNATE_FUNCTIONS(11,      2,      1, UNUSED, 0, 0, 0), /* GPIO11, altA controlled by bit 2 */
 286         ALTERNATE_FUNCTIONS(12, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO12, bit3 reserved */
 287         ALTERNATE_FUNCTIONS(13,      4,      3,      4, 1, 0, 2), /* GPIO13, altA altB and altC controlled by bit 3 and 4 */
 288         ALTERNATE_FUNCTIONS(14,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO14, altA controlled by bit 5 */
 289         ALTERNATE_FUNCTIONS(15, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 6 reserved */
 290         ALTERNATE_FUNCTIONS(16, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 7 reserved  */
 291         /*
 292          * pins 17 to 20 are special case, only bit 0 is used to select
 293          * alternate function for these 4 pins.
 294          * bits 1 to 3 are reserved
 295          */
 296         ALTERNATE_FUNCTIONS(17,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO17, altA controlled by bit 0 */
 297         ALTERNATE_FUNCTIONS(18,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO18, altA controlled by bit 0 */
 298         ALTERNATE_FUNCTIONS(19,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO19, altA controlled by bit 0 */
 299         ALTERNATE_FUNCTIONS(20,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO20, altA controlled by bit 0 */
 300         ALTERNATE_FUNCTIONS(21, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO21, bit 4 reserved */
 301         ALTERNATE_FUNCTIONS(22, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO22, bit 5 reserved */
 302         ALTERNATE_FUNCTIONS(23, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO23, bit 6 reserved */
 303         ALTERNATE_FUNCTIONS(24, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO24, bit 7 reserved */
 304 
 305         ALTERNATE_FUNCTIONS(25, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO25, bit 0 reserved */
 306         ALTERNATE_FUNCTIONS(26, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO26, bit 1 reserved */
 307         ALTERNATE_FUNCTIONS(27, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO27, bit 2 reserved */
 308         ALTERNATE_FUNCTIONS(28, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO28, bit 3 reserved */
 309         ALTERNATE_FUNCTIONS(29, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO29, bit 4 reserved */
 310         ALTERNATE_FUNCTIONS(30, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO30, bit 5 reserved */
 311         ALTERNATE_FUNCTIONS(31, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO31, bit 6 reserved */
 312         ALTERNATE_FUNCTIONS(32, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO32, bit 7 reserved */
 313 
 314         ALTERNATE_FUNCTIONS(33, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO33, bit 0 reserved */
 315         ALTERNATE_FUNCTIONS(34,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO34, altA controlled by bit 1 */
 316         ALTERNATE_FUNCTIONS(35, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO35, bit 2 reserved */
 317         ALTERNATE_FUNCTIONS(36, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO36, bit 2 reserved */
 318         ALTERNATE_FUNCTIONS(37, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO37, bit 2 reserved */
 319         ALTERNATE_FUNCTIONS(38, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO38, bit 2 reserved */
 320         ALTERNATE_FUNCTIONS(39, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO39, bit 2 reserved */
 321         ALTERNATE_FUNCTIONS(40,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO40, altA controlled by bit 7*/
 322 
 323         ALTERNATE_FUNCTIONS(41,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO41, altA controlled by bit 0 */
 324         ALTERNATE_FUNCTIONS(42, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO42, bit 1 reserved */
 325         ALTERNATE_FUNCTIONS(43, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO43, bit 2 reserved */
 326         ALTERNATE_FUNCTIONS(44, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO44, bit 3 reserved */
 327         ALTERNATE_FUNCTIONS(45, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO45, bit 4 reserved */
 328         ALTERNATE_FUNCTIONS(46, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO46, bit 5 reserved */
 329         ALTERNATE_FUNCTIONS(47, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO47, bit 6 reserved */
 330         ALTERNATE_FUNCTIONS(48, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO48, bit 7 reserved */
 331 
 332         ALTERNATE_FUNCTIONS(49, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
 333         ALTERNATE_FUNCTIONS(50,      1,      2, UNUSED, 1, 0, 0), /* GPIO50, altA controlled by bit 1 */
 334         ALTERNATE_FUNCTIONS(51, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
 335         ALTERNATE_FUNCTIONS(52,      3, UNUSED, UNUSED, 0, 0, 0), /* GPIO52, altA controlled by bit 3 */
 336         ALTERNATE_FUNCTIONS(53,      4, UNUSED, UNUSED, 0, 0, 0), /* GPIO53, altA controlled by bit 4 */
 337 };
 338 
 339 /*
 340  * For AB8505 Only some GPIOs are interrupt capable, and they are
 341  * organized in discontiguous clusters:
 342  *
 343  *      GPIO10 to GPIO11
 344  *      GPIO13
 345  *      GPIO40 and GPIO41
 346  *      GPIO50
 347  *      GPIO52 to GPIO53
 348  */
 349 static struct abx500_gpio_irq_cluster ab8505_gpio_irq_cluster[] = {
 350         GPIO_IRQ_CLUSTER(10, 11, AB8500_INT_GPIO10R),
 351         GPIO_IRQ_CLUSTER(13, 13, AB8500_INT_GPIO13R),
 352         GPIO_IRQ_CLUSTER(40, 41, AB8500_INT_GPIO40R),
 353         GPIO_IRQ_CLUSTER(50, 50, AB9540_INT_GPIO50R),
 354         GPIO_IRQ_CLUSTER(52, 53, AB9540_INT_GPIO52R),
 355 };
 356 
 357 static struct abx500_pinctrl_soc_data ab8505_soc = {
 358         .gpio_ranges = ab8505_pinranges,
 359         .gpio_num_ranges = ARRAY_SIZE(ab8505_pinranges),
 360         .pins = ab8505_pins,
 361         .npins = ARRAY_SIZE(ab8505_pins),
 362         .functions = ab8505_functions,
 363         .nfunctions = ARRAY_SIZE(ab8505_functions),
 364         .groups = ab8505_groups,
 365         .ngroups = ARRAY_SIZE(ab8505_groups),
 366         .alternate_functions = ab8505_alternate_functions,
 367         .gpio_irq_cluster = ab8505_gpio_irq_cluster,
 368         .ngpio_irq_cluster = ARRAY_SIZE(ab8505_gpio_irq_cluster),
 369         .irq_gpio_rising_offset = AB8500_INT_GPIO6R,
 370         .irq_gpio_falling_offset = AB8500_INT_GPIO6F,
 371         .irq_gpio_factor = 1,
 372 };
 373 
 374 void
 375 abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data **soc)
 376 {
 377         *soc = &ab8505_soc;
 378 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/pinctrl/nomadik/pinctrl-ab8505.c

DEFINITIONS
