1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * pinctrl-palmas.c -- TI PALMAS series pin control driver. 4 * 5 * Copyright (c) 2013, NVIDIA Corporation. 6 * 7 * Author: Laxman Dewangan <ldewangan@nvidia.com> 8 */ 9 10#include <linux/delay.h> 11#include <linux/module.h> 12#include <linux/mfd/palmas.h> 13#include <linux/of.h> 14#include <linux/platform_device.h> 15#include <linux/pinctrl/machine.h> 16#include <linux/pinctrl/pinctrl.h> 17#include <linux/pinctrl/pinconf-generic.h> 18#include <linux/pinctrl/pinconf.h> 19#include <linux/pinctrl/pinmux.h> 20#include <linux/pm.h> 21#include <linux/slab.h> 22 23#include "core.h" 24#include "pinconf.h" 25#include "pinctrl-utils.h" 26 27#define PALMAS_PIN_GPIO0_ID 0 28#define PALMAS_PIN_GPIO1_VBUS_LED1_PWM1 1 29#define PALMAS_PIN_GPIO2_REGEN_LED2_PWM2 2 30#define PALMAS_PIN_GPIO3_CHRG_DET 3 31#define PALMAS_PIN_GPIO4_SYSEN1 4 32#define PALMAS_PIN_GPIO5_CLK32KGAUDIO_USB_PSEL 5 33#define PALMAS_PIN_GPIO6_SYSEN2 6 34#define PALMAS_PIN_GPIO7_MSECURE_PWRHOLD 7 35#define PALMAS_PIN_GPIO8_SIM1RSTI 8 36#define PALMAS_PIN_GPIO9_LOW_VBAT 9 37#define PALMAS_PIN_GPIO10_WIRELESS_CHRG1 10 38#define PALMAS_PIN_GPIO11_RCM 11 39#define PALMAS_PIN_GPIO12_SIM2RSTO 12 40#define PALMAS_PIN_GPIO13 13 41#define PALMAS_PIN_GPIO14 14 42#define PALMAS_PIN_GPIO15_SIM2RSTI 15 43#define PALMAS_PIN_VAC 16 44#define PALMAS_PIN_POWERGOOD_USB_PSEL 17 45#define PALMAS_PIN_NRESWARM 18 46#define PALMAS_PIN_PWRDOWN 19 47#define PALMAS_PIN_GPADC_START 20 48#define PALMAS_PIN_RESET_IN 21 49#define PALMAS_PIN_NSLEEP 22 50#define PALMAS_PIN_ENABLE1 23 51#define PALMAS_PIN_ENABLE2 24 52#define PALMAS_PIN_INT 25 53#define PALMAS_PIN_NUM (PALMAS_PIN_INT + 1) 54 55struct palmas_pin_function { 56 const char *name; 57 const char * const *groups; 58 unsigned ngroups; 59}; 60 61struct palmas_pctrl_chip_info { 62 struct device *dev; 63 struct pinctrl_dev *pctl; 64 struct palmas *palmas; 65 int pins_current_opt[PALMAS_PIN_NUM]; 66 const struct palmas_pin_function *functions; 67 unsigned num_functions; 68 const struct palmas_pingroup *pin_groups; 69 int num_pin_groups; 70 const struct pinctrl_pin_desc *pins; 71 unsigned num_pins; 72}; 73 74static const struct pinctrl_pin_desc palmas_pins_desc[] = { 75 PINCTRL_PIN(PALMAS_PIN_GPIO0_ID, "gpio0"), 76 PINCTRL_PIN(PALMAS_PIN_GPIO1_VBUS_LED1_PWM1, "gpio1"), 77 PINCTRL_PIN(PALMAS_PIN_GPIO2_REGEN_LED2_PWM2, "gpio2"), 78 PINCTRL_PIN(PALMAS_PIN_GPIO3_CHRG_DET, "gpio3"), 79 PINCTRL_PIN(PALMAS_PIN_GPIO4_SYSEN1, "gpio4"), 80 PINCTRL_PIN(PALMAS_PIN_GPIO5_CLK32KGAUDIO_USB_PSEL, "gpio5"), 81 PINCTRL_PIN(PALMAS_PIN_GPIO6_SYSEN2, "gpio6"), 82 PINCTRL_PIN(PALMAS_PIN_GPIO7_MSECURE_PWRHOLD, "gpio7"), 83 PINCTRL_PIN(PALMAS_PIN_GPIO8_SIM1RSTI, "gpio8"), 84 PINCTRL_PIN(PALMAS_PIN_GPIO9_LOW_VBAT, "gpio9"), 85 PINCTRL_PIN(PALMAS_PIN_GPIO10_WIRELESS_CHRG1, "gpio10"), 86 PINCTRL_PIN(PALMAS_PIN_GPIO11_RCM, "gpio11"), 87 PINCTRL_PIN(PALMAS_PIN_GPIO12_SIM2RSTO, "gpio12"), 88 PINCTRL_PIN(PALMAS_PIN_GPIO13, "gpio13"), 89 PINCTRL_PIN(PALMAS_PIN_GPIO14, "gpio14"), 90 PINCTRL_PIN(PALMAS_PIN_GPIO15_SIM2RSTI, "gpio15"), 91 PINCTRL_PIN(PALMAS_PIN_VAC, "vac"), 92 PINCTRL_PIN(PALMAS_PIN_POWERGOOD_USB_PSEL, "powergood"), 93 PINCTRL_PIN(PALMAS_PIN_NRESWARM, "nreswarm"), 94 PINCTRL_PIN(PALMAS_PIN_PWRDOWN, "pwrdown"), 95 PINCTRL_PIN(PALMAS_PIN_GPADC_START, "gpadc_start"), 96 PINCTRL_PIN(PALMAS_PIN_RESET_IN, "reset_in"), 97 PINCTRL_PIN(PALMAS_PIN_NSLEEP, "nsleep"), 98 PINCTRL_PIN(PALMAS_PIN_ENABLE1, "enable1"), 99 PINCTRL_PIN(PALMAS_PIN_ENABLE2, "enable2"), 100 PINCTRL_PIN(PALMAS_PIN_INT, "int"), 101}; 102 103static const char * const opt0_groups[] = { 104 "gpio0", 105 "gpio1", 106 "gpio2", 107 "gpio3", 108 "gpio4", 109 "gpio5", 110 "gpio6", 111 "gpio7", 112 "gpio8", 113 "gpio9", 114 "gpio10", 115 "gpio11", 116 "gpio12", 117 "gpio13", 118 "gpio14", 119 "gpio15", 120 "vac", 121 "powergood", 122 "nreswarm", 123 "pwrdown", 124 "gpadc_start", 125 "reset_in", 126 "nsleep", 127 "enable1", 128 "enable2", 129 "int", 130}; 131 132static const char * const opt1_groups[] = { 133 "gpio0", 134 "gpio1", 135 "gpio2", 136 "gpio3", 137 "gpio4", 138 "gpio5", 139 "gpio6", 140 "gpio7", 141 "gpio8", 142 "gpio9", 143 "gpio10", 144 "gpio11", 145 "gpio12", 146 "gpio15", 147 "vac", 148 "powergood", 149}; 150 151static const char * const opt2_groups[] = { 152 "gpio1", 153 "gpio2", 154 "gpio5", 155 "gpio7", 156}; 157 158static const char * const opt3_groups[] = { 159 "gpio1", 160 "gpio2", 161}; 162 163static const char * const gpio_groups[] = { 164 "gpio0", 165 "gpio1", 166 "gpio2", 167 "gpio3", 168 "gpio4", 169 "gpio5", 170 "gpio6", 171 "gpio7", 172 "gpio8", 173 "gpio9", 174 "gpio10", 175 "gpio11", 176 "gpio12", 177 "gpio13", 178 "gpio14", 179 "gpio15", 180}; 181 182static const char * const led_groups[] = { 183 "gpio1", 184 "gpio2", 185}; 186 187static const char * const pwm_groups[] = { 188 "gpio1", 189 "gpio2", 190}; 191 192static const char * const regen_groups[] = { 193 "gpio2", 194}; 195 196static const char * const sysen_groups[] = { 197 "gpio4", 198 "gpio6", 199}; 200 201static const char * const clk32kgaudio_groups[] = { 202 "gpio5", 203}; 204 205static const char * const id_groups[] = { 206 "gpio0", 207}; 208 209static const char * const vbus_det_groups[] = { 210 "gpio1", 211}; 212 213static const char * const chrg_det_groups[] = { 214 "gpio3", 215}; 216 217static const char * const vac_groups[] = { 218 "vac", 219}; 220 221static const char * const vacok_groups[] = { 222 "vac", 223}; 224 225static const char * const powergood_groups[] = { 226 "powergood", 227}; 228 229static const char * const usb_psel_groups[] = { 230 "gpio5", 231 "powergood", 232}; 233 234static const char * const msecure_groups[] = { 235 "gpio7", 236}; 237 238static const char * const pwrhold_groups[] = { 239 "gpio7", 240}; 241 242static const char * const int_groups[] = { 243 "int", 244}; 245 246static const char * const nreswarm_groups[] = { 247 "nreswarm", 248}; 249 250static const char * const simrsto_groups[] = { 251 "gpio12", 252}; 253 254static const char * const simrsti_groups[] = { 255 "gpio8", 256 "gpio15", 257}; 258 259static const char * const low_vbat_groups[] = { 260 "gpio9", 261}; 262 263static const char * const wireless_chrg1_groups[] = { 264 "gpio10", 265}; 266 267static const char * const rcm_groups[] = { 268 "gpio11", 269}; 270 271static const char * const pwrdown_groups[] = { 272 "pwrdown", 273}; 274 275static const char * const gpadc_start_groups[] = { 276 "gpadc_start", 277}; 278 279static const char * const reset_in_groups[] = { 280 "reset_in", 281}; 282 283static const char * const nsleep_groups[] = { 284 "nsleep", 285}; 286 287static const char * const enable_groups[] = { 288 "enable1", 289 "enable2", 290}; 291 292#define FUNCTION_GROUPS \ 293 FUNCTION_GROUP(opt0, OPTION0), \ 294 FUNCTION_GROUP(opt1, OPTION1), \ 295 FUNCTION_GROUP(opt2, OPTION2), \ 296 FUNCTION_GROUP(opt3, OPTION3), \ 297 FUNCTION_GROUP(gpio, GPIO), \ 298 FUNCTION_GROUP(led, LED), \ 299 FUNCTION_GROUP(pwm, PWM), \ 300 FUNCTION_GROUP(regen, REGEN), \ 301 FUNCTION_GROUP(sysen, SYSEN), \ 302 FUNCTION_GROUP(clk32kgaudio, CLK32KGAUDIO), \ 303 FUNCTION_GROUP(id, ID), \ 304 FUNCTION_GROUP(vbus_det, VBUS_DET), \ 305 FUNCTION_GROUP(chrg_det, CHRG_DET), \ 306 FUNCTION_GROUP(vac, VAC), \ 307 FUNCTION_GROUP(vacok, VACOK), \ 308 FUNCTION_GROUP(powergood, POWERGOOD), \ 309 FUNCTION_GROUP(usb_psel, USB_PSEL), \ 310 FUNCTION_GROUP(msecure, MSECURE), \ 311 FUNCTION_GROUP(pwrhold, PWRHOLD), \ 312 FUNCTION_GROUP(int, INT), \ 313 FUNCTION_GROUP(nreswarm, NRESWARM), \ 314 FUNCTION_GROUP(simrsto, SIMRSTO), \ 315 FUNCTION_GROUP(simrsti, SIMRSTI), \ 316 FUNCTION_GROUP(low_vbat, LOW_VBAT), \ 317 FUNCTION_GROUP(wireless_chrg1, WIRELESS_CHRG1), \ 318 FUNCTION_GROUP(rcm, RCM), \ 319 FUNCTION_GROUP(pwrdown, PWRDOWN), \ 320 FUNCTION_GROUP(gpadc_start, GPADC_START), \ 321 FUNCTION_GROUP(reset_in, RESET_IN), \ 322 FUNCTION_GROUP(nsleep, NSLEEP), \ 323 FUNCTION_GROUP(enable, ENABLE) 324 325static const struct palmas_pin_function palmas_pin_function[] = { 326#undef FUNCTION_GROUP 327#define FUNCTION_GROUP(fname, mux) \ 328 { \ 329 .name = #fname, \ 330 .groups = fname##_groups, \ 331 .ngroups = ARRAY_SIZE(fname##_groups), \ 332 } 333 334 FUNCTION_GROUPS, 335}; 336 337enum palmas_pinmux { 338#undef FUNCTION_GROUP 339#define FUNCTION_GROUP(fname, mux) PALMAS_PINMUX_##mux 340 FUNCTION_GROUPS, 341 PALMAS_PINMUX_NA = 0xFFFF, 342}; 343 344struct palmas_pins_pullup_dn_info { 345 int pullup_dn_reg_base; 346 int pullup_dn_reg_add; 347 int pullup_dn_mask; 348 int normal_val; 349 int pull_up_val; 350 int pull_dn_val; 351}; 352 353struct palmas_pins_od_info { 354 int od_reg_base; 355 int od_reg_add; 356 int od_mask; 357 int od_enable; 358 int od_disable; 359}; 360 361struct palmas_pin_info { 362 enum palmas_pinmux mux_opt; 363 const struct palmas_pins_pullup_dn_info *pud_info; 364 const struct palmas_pins_od_info *od_info; 365}; 366 367struct palmas_pingroup { 368 const char *name; 369 const unsigned pins[1]; 370 unsigned npins; 371 unsigned mux_reg_base; 372 unsigned mux_reg_add; 373 unsigned mux_reg_mask; 374 unsigned mux_bit_shift; 375 const struct palmas_pin_info *opt[4]; 376}; 377 378#define PULL_UP_DN(_name, _rbase, _add, _mask, _nv, _uv, _dv) \ 379static const struct palmas_pins_pullup_dn_info pud_##_name##_info = { \ 380 .pullup_dn_reg_base = PALMAS_##_rbase##_BASE, \ 381 .pullup_dn_reg_add = _add, \ 382 .pullup_dn_mask = _mask, \ 383 .normal_val = _nv, \ 384 .pull_up_val = _uv, \ 385 .pull_dn_val = _dv, \ 386} 387 388PULL_UP_DN(nreswarm, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x2, 0x0, 0x2, -1); 389PULL_UP_DN(pwrdown, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x4, 0x0, -1, 0x4); 390PULL_UP_DN(gpadc_start, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x30, 0x0, 0x20, 0x10); 391PULL_UP_DN(reset_in, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x40, 0x0, -1, 0x40); 392PULL_UP_DN(nsleep, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0x3, 0x0, 0x2, 0x1); 393PULL_UP_DN(enable1, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0xC, 0x0, 0x8, 0x4); 394PULL_UP_DN(enable2, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0x30, 0x0, 0x20, 0x10); 395PULL_UP_DN(vacok, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x40, 0x0, -1, 0x40); 396PULL_UP_DN(chrg_det, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x10, 0x0, -1, 0x10); 397PULL_UP_DN(pwrhold, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x4, 0x0, -1, 0x4); 398PULL_UP_DN(msecure, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x1, 0x0, -1, 0x1); 399PULL_UP_DN(id, USB_OTG, PALMAS_USB_ID_CTRL_SET, 0x40, 0x0, 0x40, -1); 400PULL_UP_DN(gpio0, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x04, 0, -1, 1); 401PULL_UP_DN(gpio1, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x0C, 0, 0x8, 0x4); 402PULL_UP_DN(gpio2, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x30, 0x0, 0x20, 0x10); 403PULL_UP_DN(gpio3, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x40, 0x0, -1, 0x40); 404PULL_UP_DN(gpio4, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x03, 0x0, 0x2, 0x1); 405PULL_UP_DN(gpio5, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x0c, 0x0, 0x8, 0x4); 406PULL_UP_DN(gpio6, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x30, 0x0, 0x20, 0x10); 407PULL_UP_DN(gpio7, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x40, 0x0, -1, 0x40); 408PULL_UP_DN(gpio9, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0x0C, 0x0, 0x8, 0x4); 409PULL_UP_DN(gpio10, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0x30, 0x0, 0x20, 0x10); 410PULL_UP_DN(gpio11, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0xC0, 0x0, 0x80, 0x40); 411PULL_UP_DN(gpio13, GPIO, PALMAS_PU_PD_GPIO_CTRL4, 0x04, 0x0, -1, 0x04); 412PULL_UP_DN(gpio14, GPIO, PALMAS_PU_PD_GPIO_CTRL4, 0x30, 0x0, 0x20, 0x10); 413 414#define OD_INFO(_name, _rbase, _add, _mask, _ev, _dv) \ 415static const struct palmas_pins_od_info od_##_name##_info = { \ 416 .od_reg_base = PALMAS_##_rbase##_BASE, \ 417 .od_reg_add = _add, \ 418 .od_mask = _mask, \ 419 .od_enable = _ev, \ 420 .od_disable = _dv, \ 421} 422 423OD_INFO(gpio1, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x1, 0x1, 0x0); 424OD_INFO(gpio2, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x2, 0x2, 0x0); 425OD_INFO(gpio5, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x20, 0x20, 0x0); 426OD_INFO(gpio10, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL2, 0x04, 0x04, 0x0); 427OD_INFO(gpio13, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL2, 0x20, 0x20, 0x0); 428OD_INFO(int, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x8, 0x8, 0x0); 429OD_INFO(pwm1, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x20, 0x20, 0x0); 430OD_INFO(pwm2, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x80, 0x80, 0x0); 431OD_INFO(vbus_det, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x40, 0x40, 0x0); 432 433#define PIN_INFO(_name, _id, _pud_info, _od_info) \ 434static const struct palmas_pin_info pin_##_name##_info = { \ 435 .mux_opt = PALMAS_PINMUX_##_id, \ 436 .pud_info = _pud_info, \ 437 .od_info = _od_info \ 438} 439 440PIN_INFO(gpio0, GPIO, &pud_gpio0_info, NULL); 441PIN_INFO(gpio1, GPIO, &pud_gpio1_info, &od_gpio1_info); 442PIN_INFO(gpio2, GPIO, &pud_gpio2_info, &od_gpio2_info); 443PIN_INFO(gpio3, GPIO, &pud_gpio3_info, NULL); 444PIN_INFO(gpio4, GPIO, &pud_gpio4_info, NULL); 445PIN_INFO(gpio5, GPIO, &pud_gpio5_info, &od_gpio5_info); 446PIN_INFO(gpio6, GPIO, &pud_gpio6_info, NULL); 447PIN_INFO(gpio7, GPIO, &pud_gpio7_info, NULL); 448PIN_INFO(gpio8, GPIO, NULL, NULL); 449PIN_INFO(gpio9, GPIO, &pud_gpio9_info, NULL); 450PIN_INFO(gpio10, GPIO, &pud_gpio10_info, &od_gpio10_info); 451PIN_INFO(gpio11, GPIO, &pud_gpio11_info, NULL); 452PIN_INFO(gpio12, GPIO, NULL, NULL); 453PIN_INFO(gpio13, GPIO, &pud_gpio13_info, &od_gpio13_info); 454PIN_INFO(gpio14, GPIO, &pud_gpio14_info, NULL); 455PIN_INFO(gpio15, GPIO, NULL, NULL); 456PIN_INFO(id, ID, &pud_id_info, NULL); 457PIN_INFO(led1, LED, NULL, NULL); 458PIN_INFO(led2, LED, NULL, NULL); 459PIN_INFO(regen, REGEN, NULL, NULL); 460PIN_INFO(sysen1, SYSEN, NULL, NULL); 461PIN_INFO(sysen2, SYSEN, NULL, NULL); 462PIN_INFO(int, INT, NULL, &od_int_info); 463PIN_INFO(pwm1, PWM, NULL, &od_pwm1_info); 464PIN_INFO(pwm2, PWM, NULL, &od_pwm2_info); 465PIN_INFO(vacok, VACOK, &pud_vacok_info, NULL); 466PIN_INFO(chrg_det, CHRG_DET, &pud_chrg_det_info, NULL); 467PIN_INFO(pwrhold, PWRHOLD, &pud_pwrhold_info, NULL); 468PIN_INFO(msecure, MSECURE, &pud_msecure_info, NULL); 469PIN_INFO(nreswarm, NA, &pud_nreswarm_info, NULL); 470PIN_INFO(pwrdown, NA, &pud_pwrdown_info, NULL); 471PIN_INFO(gpadc_start, NA, &pud_gpadc_start_info, NULL); 472PIN_INFO(reset_in, NA, &pud_reset_in_info, NULL); 473PIN_INFO(nsleep, NA, &pud_nsleep_info, NULL); 474PIN_INFO(enable1, NA, &pud_enable1_info, NULL); 475PIN_INFO(enable2, NA, &pud_enable2_info, NULL); 476PIN_INFO(clk32kgaudio, CLK32KGAUDIO, NULL, NULL); 477PIN_INFO(usb_psel, USB_PSEL, NULL, NULL); 478PIN_INFO(vac, VAC, NULL, NULL); 479PIN_INFO(powergood, POWERGOOD, NULL, NULL); 480PIN_INFO(vbus_det, VBUS_DET, NULL, &od_vbus_det_info); 481PIN_INFO(sim1rsti, SIMRSTI, NULL, NULL); 482PIN_INFO(low_vbat, LOW_VBAT, NULL, NULL); 483PIN_INFO(rcm, RCM, NULL, NULL); 484PIN_INFO(sim2rsto, SIMRSTO, NULL, NULL); 485PIN_INFO(sim2rsti, SIMRSTI, NULL, NULL); 486PIN_INFO(wireless_chrg1, WIRELESS_CHRG1, NULL, NULL); 487 488#define PALMAS_PRIMARY_SECONDARY_NONE 0 489#define PALMAS_NONE_BASE 0 490#define PALMAS_PRIMARY_SECONDARY_INPUT3 PALMAS_PU_PD_INPUT_CTRL3 491 492#define PALMAS_PINGROUP(pg_name, pin_id, base, reg, _mask, _bshift, o0, o1, o2, o3) \ 493 { \ 494 .name = #pg_name, \ 495 .pins = {PALMAS_PIN_##pin_id}, \ 496 .npins = 1, \ 497 .mux_reg_base = PALMAS_##base##_BASE, \ 498 .mux_reg_add = PALMAS_PRIMARY_SECONDARY_##reg, \ 499 .mux_reg_mask = _mask, \ 500 .mux_bit_shift = _bshift, \ 501 .opt = { \ 502 o0, \ 503 o1, \ 504 o2, \ 505 o3, \ 506 }, \ 507 } 508 509static const struct palmas_pingroup tps65913_pingroups[] = { 510 PALMAS_PINGROUP(gpio0, GPIO0_ID, PU_PD_OD, PAD1, 0x4, 0x2, &pin_gpio0_info, &pin_id_info, NULL, NULL), 511 PALMAS_PINGROUP(gpio1, GPIO1_VBUS_LED1_PWM1, PU_PD_OD, PAD1, 0x18, 0x3, &pin_gpio1_info, &pin_vbus_det_info, &pin_led1_info, &pin_pwm1_info), 512 PALMAS_PINGROUP(gpio2, GPIO2_REGEN_LED2_PWM2, PU_PD_OD, PAD1, 0x60, 0x5, &pin_gpio2_info, &pin_regen_info, &pin_led2_info, &pin_pwm2_info), 513 PALMAS_PINGROUP(gpio3, GPIO3_CHRG_DET, PU_PD_OD, PAD1, 0x80, 0x7, &pin_gpio3_info, &pin_chrg_det_info, NULL, NULL), 514 PALMAS_PINGROUP(gpio4, GPIO4_SYSEN1, PU_PD_OD, PAD1, 0x01, 0x0, &pin_gpio4_info, &pin_sysen1_info, NULL, NULL), 515 PALMAS_PINGROUP(gpio5, GPIO5_CLK32KGAUDIO_USB_PSEL, PU_PD_OD, PAD2, 0x6, 0x1, &pin_gpio5_info, &pin_clk32kgaudio_info, &pin_usb_psel_info, NULL), 516 PALMAS_PINGROUP(gpio6, GPIO6_SYSEN2, PU_PD_OD, PAD2, 0x08, 0x3, &pin_gpio6_info, &pin_sysen2_info, NULL, NULL), 517 PALMAS_PINGROUP(gpio7, GPIO7_MSECURE_PWRHOLD, PU_PD_OD, PAD2, 0x30, 0x4, &pin_gpio7_info, &pin_msecure_info, &pin_pwrhold_info, NULL), 518 PALMAS_PINGROUP(vac, VAC, PU_PD_OD, PAD1, 0x02, 0x1, &pin_vac_info, &pin_vacok_info, NULL, NULL), 519 PALMAS_PINGROUP(powergood, POWERGOOD_USB_PSEL, PU_PD_OD, PAD1, 0x01, 0x0, &pin_powergood_info, &pin_usb_psel_info, NULL, NULL), 520 PALMAS_PINGROUP(nreswarm, NRESWARM, NONE, NONE, 0x0, 0x0, &pin_nreswarm_info, NULL, NULL, NULL), 521 PALMAS_PINGROUP(pwrdown, PWRDOWN, NONE, NONE, 0x0, 0x0, &pin_pwrdown_info, NULL, NULL, NULL), 522 PALMAS_PINGROUP(gpadc_start, GPADC_START, NONE, NONE, 0x0, 0x0, &pin_gpadc_start_info, NULL, NULL, NULL), 523 PALMAS_PINGROUP(reset_in, RESET_IN, NONE, NONE, 0x0, 0x0, &pin_reset_in_info, NULL, NULL, NULL), 524 PALMAS_PINGROUP(nsleep, NSLEEP, NONE, NONE, 0x0, 0x0, &pin_nsleep_info, NULL, NULL, NULL), 525 PALMAS_PINGROUP(enable1, ENABLE1, NONE, NONE, 0x0, 0x0, &pin_enable1_info, NULL, NULL, NULL), 526 PALMAS_PINGROUP(enable2, ENABLE2, NONE, NONE, 0x0, 0x0, &pin_enable2_info, NULL, NULL, NULL), 527 PALMAS_PINGROUP(int, INT, NONE, NONE, 0x0, 0x0, &pin_int_info, NULL, NULL, NULL), 528}; 529 530static const struct palmas_pingroup tps80036_pingroups[] = { 531 PALMAS_PINGROUP(gpio0, GPIO0_ID, PU_PD_OD, PAD1, 0x4, 0x2, &pin_gpio0_info, &pin_id_info, NULL, NULL), 532 PALMAS_PINGROUP(gpio1, GPIO1_VBUS_LED1_PWM1, PU_PD_OD, PAD1, 0x18, 0x3, &pin_gpio1_info, &pin_vbus_det_info, &pin_led1_info, &pin_pwm1_info), 533 PALMAS_PINGROUP(gpio2, GPIO2_REGEN_LED2_PWM2, PU_PD_OD, PAD1, 0x60, 0x5, &pin_gpio2_info, &pin_regen_info, &pin_led2_info, &pin_pwm2_info), 534 PALMAS_PINGROUP(gpio3, GPIO3_CHRG_DET, PU_PD_OD, PAD1, 0x80, 0x7, &pin_gpio3_info, &pin_chrg_det_info, NULL, NULL), 535 PALMAS_PINGROUP(gpio4, GPIO4_SYSEN1, PU_PD_OD, PAD1, 0x01, 0x0, &pin_gpio4_info, &pin_sysen1_info, NULL, NULL), 536 PALMAS_PINGROUP(gpio5, GPIO5_CLK32KGAUDIO_USB_PSEL, PU_PD_OD, PAD2, 0x6, 0x1, &pin_gpio5_info, &pin_clk32kgaudio_info, &pin_usb_psel_info, NULL), 537 PALMAS_PINGROUP(gpio6, GPIO6_SYSEN2, PU_PD_OD, PAD2, 0x08, 0x3, &pin_gpio6_info, &pin_sysen2_info, NULL, NULL), 538 PALMAS_PINGROUP(gpio7, GPIO7_MSECURE_PWRHOLD, PU_PD_OD, PAD2, 0x30, 0x4, &pin_gpio7_info, &pin_msecure_info, &pin_pwrhold_info, NULL), 539 PALMAS_PINGROUP(gpio8, GPIO8_SIM1RSTI, PU_PD_OD, PAD4, 0x01, 0x0, &pin_gpio8_info, &pin_sim1rsti_info, NULL, NULL), 540 PALMAS_PINGROUP(gpio9, GPIO9_LOW_VBAT, PU_PD_OD, PAD4, 0x02, 0x1, &pin_gpio9_info, &pin_low_vbat_info, NULL, NULL), 541 PALMAS_PINGROUP(gpio10, GPIO10_WIRELESS_CHRG1, PU_PD_OD, PAD4, 0x04, 0x2, &pin_gpio10_info, &pin_wireless_chrg1_info, NULL, NULL), 542 PALMAS_PINGROUP(gpio11, GPIO11_RCM, PU_PD_OD, PAD4, 0x08, 0x3, &pin_gpio11_info, &pin_rcm_info, NULL, NULL), 543 PALMAS_PINGROUP(gpio12, GPIO12_SIM2RSTO, PU_PD_OD, PAD4, 0x10, 0x4, &pin_gpio12_info, &pin_sim2rsto_info, NULL, NULL), 544 PALMAS_PINGROUP(gpio13, GPIO13, NONE, NONE, 0x00, 0x0, &pin_gpio13_info, NULL, NULL, NULL), 545 PALMAS_PINGROUP(gpio14, GPIO14, NONE, NONE, 0x00, 0x0, &pin_gpio14_info, NULL, NULL, NULL), 546 PALMAS_PINGROUP(gpio15, GPIO15_SIM2RSTI, PU_PD_OD, PAD4, 0x80, 0x7, &pin_gpio15_info, &pin_sim2rsti_info, NULL, NULL), 547 PALMAS_PINGROUP(vac, VAC, PU_PD_OD, PAD1, 0x02, 0x1, &pin_vac_info, &pin_vacok_info, NULL, NULL), 548 PALMAS_PINGROUP(powergood, POWERGOOD_USB_PSEL, PU_PD_OD, PAD1, 0x01, 0x0, &pin_powergood_info, &pin_usb_psel_info, NULL, NULL), 549 PALMAS_PINGROUP(nreswarm, NRESWARM, NONE, NONE, 0x0, 0x0, &pin_nreswarm_info, NULL, NULL, NULL), 550 PALMAS_PINGROUP(pwrdown, PWRDOWN, NONE, NONE, 0x0, 0x0, &pin_pwrdown_info, NULL, NULL, NULL), 551 PALMAS_PINGROUP(gpadc_start, GPADC_START, NONE, NONE, 0x0, 0x0, &pin_gpadc_start_info, NULL, NULL, NULL), 552 PALMAS_PINGROUP(reset_in, RESET_IN, NONE, NONE, 0x0, 0x0, &pin_reset_in_info, NULL, NULL, NULL), 553 PALMAS_PINGROUP(nsleep, NSLEEP, NONE, NONE, 0x0, 0x0, &pin_nsleep_info, NULL, NULL, NULL), 554 PALMAS_PINGROUP(enable1, ENABLE1, NONE, NONE, 0x0, 0x0, &pin_enable1_info, NULL, NULL, NULL), 555 PALMAS_PINGROUP(enable2, ENABLE2, NONE, NONE, 0x0, 0x0, &pin_enable2_info, NULL, NULL, NULL), 556 PALMAS_PINGROUP(int, INT, NONE, NONE, 0x0, 0x0, &pin_int_info, NULL, NULL, NULL), 557}; 558 559static int palmas_pinctrl_get_pin_mux(struct palmas_pctrl_chip_info *pci) 560{ 561 const struct palmas_pingroup *g; 562 unsigned int val; 563 int ret; 564 int i; 565 566 for (i = 0; i < pci->num_pin_groups; ++i) { 567 g = &pci->pin_groups[i]; 568 if (g->mux_reg_base == PALMAS_NONE_BASE) { 569 pci->pins_current_opt[i] = 0; 570 continue; 571 } 572 ret = palmas_read(pci->palmas, g->mux_reg_base, 573 g->mux_reg_add, &val); 574 if (ret < 0) { 575 dev_err(pci->dev, "mux_reg 0x%02x read failed: %d\n", 576 g->mux_reg_add, ret); 577 return ret; 578 } 579 val &= g->mux_reg_mask; 580 pci->pins_current_opt[i] = val >> g->mux_bit_shift; 581 } 582 return 0; 583} 584 585static int palmas_pinctrl_set_dvfs1(struct palmas_pctrl_chip_info *pci, 586 bool enable) 587{ 588 int ret; 589 int val; 590 591 val = enable ? PALMAS_PRIMARY_SECONDARY_PAD3_DVFS1 : 0; 592 ret = palmas_update_bits(pci->palmas, PALMAS_PU_PD_OD_BASE, 593 PALMAS_PRIMARY_SECONDARY_PAD3, 594 PALMAS_PRIMARY_SECONDARY_PAD3_DVFS1, val); 595 if (ret < 0) 596 dev_err(pci->dev, "SECONDARY_PAD3 update failed %d\n", ret); 597 return ret; 598} 599 600static int palmas_pinctrl_set_dvfs2(struct palmas_pctrl_chip_info *pci, 601 bool enable) 602{ 603 int ret; 604 int val; 605 606 val = enable ? PALMAS_PRIMARY_SECONDARY_PAD3_DVFS2 : 0; 607 ret = palmas_update_bits(pci->palmas, PALMAS_PU_PD_OD_BASE, 608 PALMAS_PRIMARY_SECONDARY_PAD3, 609 PALMAS_PRIMARY_SECONDARY_PAD3_DVFS2, val); 610 if (ret < 0) 611 dev_err(pci->dev, "SECONDARY_PAD3 update failed %d\n", ret); 612 return ret; 613} 614 615static int palmas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) 616{ 617 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 618 619 return pci->num_pin_groups; 620} 621 622static const char *palmas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, 623 unsigned group) 624{ 625 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 626 627 return pci->pin_groups[group].name; 628} 629 630static int palmas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, 631 unsigned group, const unsigned **pins, unsigned *num_pins) 632{ 633 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 634 635 *pins = pci->pin_groups[group].pins; 636 *num_pins = pci->pin_groups[group].npins; 637 return 0; 638} 639 640static const struct pinctrl_ops palmas_pinctrl_ops = { 641 .get_groups_count = palmas_pinctrl_get_groups_count, 642 .get_group_name = palmas_pinctrl_get_group_name, 643 .get_group_pins = palmas_pinctrl_get_group_pins, 644 .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, 645 .dt_free_map = pinctrl_utils_free_map, 646}; 647 648static int palmas_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev) 649{ 650 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 651 652 return pci->num_functions; 653} 654 655static const char *palmas_pinctrl_get_func_name(struct pinctrl_dev *pctldev, 656 unsigned function) 657{ 658 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 659 660 return pci->functions[function].name; 661} 662 663static int palmas_pinctrl_get_func_groups(struct pinctrl_dev *pctldev, 664 unsigned function, const char * const **groups, 665 unsigned * const num_groups) 666{ 667 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 668 669 *groups = pci->functions[function].groups; 670 *num_groups = pci->functions[function].ngroups; 671 return 0; 672} 673 674static int palmas_pinctrl_set_mux(struct pinctrl_dev *pctldev, 675 unsigned function, 676 unsigned group) 677{ 678 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 679 const struct palmas_pingroup *g; 680 int i; 681 int ret; 682 683 g = &pci->pin_groups[group]; 684 685 /* If direct option is provided here */ 686 if (function <= PALMAS_PINMUX_OPTION3) { 687 if (!g->opt[function]) { 688 dev_err(pci->dev, "Pin %s does not support option %d\n", 689 g->name, function); 690 return -EINVAL; 691 } 692 i = function; 693 } else { 694 for (i = 0; i < ARRAY_SIZE(g->opt); i++) { 695 if (!g->opt[i]) 696 continue; 697 if (g->opt[i]->mux_opt == function) 698 break; 699 } 700 if (WARN_ON(i == ARRAY_SIZE(g->opt))) { 701 dev_err(pci->dev, "Pin %s does not support option %d\n", 702 g->name, function); 703 return -EINVAL; 704 } 705 } 706 707 if (g->mux_reg_base == PALMAS_NONE_BASE) { 708 if (WARN_ON(i != 0)) 709 return -EINVAL; 710 return 0; 711 } 712 713 dev_dbg(pci->dev, "%s(): Base0x%02x:0x%02x:0x%02x:0x%02x\n", 714 __func__, g->mux_reg_base, g->mux_reg_add, 715 g->mux_reg_mask, i << g->mux_bit_shift); 716 717 ret = palmas_update_bits(pci->palmas, g->mux_reg_base, g->mux_reg_add, 718 g->mux_reg_mask, i << g->mux_bit_shift); 719 if (ret < 0) { 720 dev_err(pci->dev, "Reg 0x%02x update failed: %d\n", 721 g->mux_reg_add, ret); 722 return ret; 723 } 724 pci->pins_current_opt[group] = i; 725 return 0; 726} 727 728static const struct pinmux_ops palmas_pinmux_ops = { 729 .get_functions_count = palmas_pinctrl_get_funcs_count, 730 .get_function_name = palmas_pinctrl_get_func_name, 731 .get_function_groups = palmas_pinctrl_get_func_groups, 732 .set_mux = palmas_pinctrl_set_mux, 733}; 734 735static int palmas_pinconf_get(struct pinctrl_dev *pctldev, 736 unsigned pin, unsigned long *config) 737{ 738 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 739 enum pin_config_param param = pinconf_to_config_param(*config); 740 const struct palmas_pingroup *g; 741 const struct palmas_pin_info *opt; 742 unsigned int val; 743 int ret; 744 int base, add; 745 int rval; 746 int arg; 747 int group_nr; 748 749 for (group_nr = 0; group_nr < pci->num_pin_groups; ++group_nr) { 750 if (pci->pin_groups[group_nr].pins[0] == pin) 751 break; 752 } 753 754 if (group_nr == pci->num_pin_groups) { 755 dev_err(pci->dev, 756 "Pinconf is not supported for pin-id %d\n", pin); 757 return -ENOTSUPP; 758 } 759 760 g = &pci->pin_groups[group_nr]; 761 opt = g->opt[pci->pins_current_opt[group_nr]]; 762 if (!opt) { 763 dev_err(pci->dev, 764 "Pinconf is not supported for pin %s\n", g->name); 765 return -ENOTSUPP; 766 } 767 768 switch (param) { 769 case PIN_CONFIG_BIAS_DISABLE: 770 case PIN_CONFIG_BIAS_PULL_UP: 771 case PIN_CONFIG_BIAS_PULL_DOWN: 772 if (!opt->pud_info) { 773 dev_err(pci->dev, 774 "PULL control not supported for pin %s\n", 775 g->name); 776 return -ENOTSUPP; 777 } 778 base = opt->pud_info->pullup_dn_reg_base; 779 add = opt->pud_info->pullup_dn_reg_add; 780 ret = palmas_read(pci->palmas, base, add, &val); 781 if (ret < 0) { 782 dev_err(pci->dev, "Reg 0x%02x read failed: %d\n", 783 add, ret); 784 return ret; 785 } 786 787 rval = val & opt->pud_info->pullup_dn_mask; 788 arg = 0; 789 if ((opt->pud_info->normal_val >= 0) && 790 (opt->pud_info->normal_val == rval) && 791 (param == PIN_CONFIG_BIAS_DISABLE)) 792 arg = 1; 793 else if ((opt->pud_info->pull_up_val >= 0) && 794 (opt->pud_info->pull_up_val == rval) && 795 (param == PIN_CONFIG_BIAS_PULL_UP)) 796 arg = 1; 797 else if ((opt->pud_info->pull_dn_val >= 0) && 798 (opt->pud_info->pull_dn_val == rval) && 799 (param == PIN_CONFIG_BIAS_PULL_DOWN)) 800 arg = 1; 801 break; 802 803 case PIN_CONFIG_DRIVE_OPEN_DRAIN: 804 if (!opt->od_info) { 805 dev_err(pci->dev, 806 "OD control not supported for pin %s\n", 807 g->name); 808 return -ENOTSUPP; 809 } 810 base = opt->od_info->od_reg_base; 811 add = opt->od_info->od_reg_add; 812 ret = palmas_read(pci->palmas, base, add, &val); 813 if (ret < 0) { 814 dev_err(pci->dev, "Reg 0x%02x read failed: %d\n", 815 add, ret); 816 return ret; 817 } 818 rval = val & opt->od_info->od_mask; 819 arg = -1; 820 if ((opt->od_info->od_disable >= 0) && 821 (opt->od_info->od_disable == rval)) 822 arg = 0; 823 else if ((opt->od_info->od_enable >= 0) && 824 (opt->od_info->od_enable == rval)) 825 arg = 1; 826 if (arg < 0) { 827 dev_err(pci->dev, 828 "OD control not supported for pin %s\n", 829 g->name); 830 return -ENOTSUPP; 831 } 832 break; 833 834 default: 835 dev_err(pci->dev, "Properties not supported\n"); 836 return -ENOTSUPP; 837 } 838 839 *config = pinconf_to_config_packed(param, (u16)arg); 840 return 0; 841} 842 843static int palmas_pinconf_set(struct pinctrl_dev *pctldev, 844 unsigned pin, unsigned long *configs, 845 unsigned num_configs) 846{ 847 struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); 848 enum pin_config_param param; 849 u32 param_val; 850 const struct palmas_pingroup *g; 851 const struct palmas_pin_info *opt; 852 int ret; 853 int base, add, mask; 854 int rval; 855 int group_nr; 856 int i; 857 858 for (group_nr = 0; group_nr < pci->num_pin_groups; ++group_nr) { 859 if (pci->pin_groups[group_nr].pins[0] == pin) 860 break; 861 } 862 863 if (group_nr == pci->num_pin_groups) { 864 dev_err(pci->dev, 865 "Pinconf is not supported for pin-id %d\n", pin); 866 return -ENOTSUPP; 867 } 868 869 g = &pci->pin_groups[group_nr]; 870 opt = g->opt[pci->pins_current_opt[group_nr]]; 871 if (!opt) { 872 dev_err(pci->dev, 873 "Pinconf is not supported for pin %s\n", g->name); 874 return -ENOTSUPP; 875 } 876 877 for (i = 0; i < num_configs; i++) { 878 param = pinconf_to_config_param(configs[i]); 879 param_val = pinconf_to_config_argument(configs[i]); 880 881 switch (param) { 882 case PIN_CONFIG_BIAS_DISABLE: 883 case PIN_CONFIG_BIAS_PULL_UP: 884 case PIN_CONFIG_BIAS_PULL_DOWN: 885 if (!opt->pud_info) { 886 dev_err(pci->dev, 887 "PULL control not supported for pin %s\n", 888 g->name); 889 return -ENOTSUPP; 890 } 891 base = opt->pud_info->pullup_dn_reg_base; 892 add = opt->pud_info->pullup_dn_reg_add; 893 mask = opt->pud_info->pullup_dn_mask; 894 895 if (param == PIN_CONFIG_BIAS_DISABLE) 896 rval = opt->pud_info->normal_val; 897 else if (param == PIN_CONFIG_BIAS_PULL_UP) 898 rval = opt->pud_info->pull_up_val; 899 else 900 rval = opt->pud_info->pull_dn_val; 901 902 if (rval < 0) { 903 dev_err(pci->dev, 904 "PULL control not supported for pin %s\n", 905 g->name); 906 return -ENOTSUPP; 907 } 908 break; 909 910 case PIN_CONFIG_DRIVE_OPEN_DRAIN: 911 if (!opt->od_info) { 912 dev_err(pci->dev, 913 "OD control not supported for pin %s\n", 914 g->name); 915 return -ENOTSUPP; 916 } 917 base = opt->od_info->od_reg_base; 918 add = opt->od_info->od_reg_add; 919 mask = opt->od_info->od_mask; 920 if (param_val == 0) 921 rval = opt->od_info->od_disable; 922 else 923 rval = opt->od_info->od_enable; 924 if (rval < 0) { 925 dev_err(pci->dev, 926 "OD control not supported for pin %s\n", 927 g->name); 928 return -ENOTSUPP; 929 } 930 break; 931 default: 932 dev_err(pci->dev, "Properties not supported\n"); 933 return -ENOTSUPP; 934 } 935 936 dev_dbg(pci->dev, "%s(): Add0x%02x:0x%02x:0x%02x:0x%02x\n", 937 __func__, base, add, mask, rval); 938 ret = palmas_update_bits(pci->palmas, base, add, mask, rval); 939 if (ret < 0) { 940 dev_err(pci->dev, "Reg 0x%02x update failed: %d\n", 941 add, ret); 942 return ret; 943 } 944 } /* for each config */ 945 946 return 0; 947} 948 949static const struct pinconf_ops palmas_pinconf_ops = { 950 .pin_config_get = palmas_pinconf_get, 951 .pin_config_set = palmas_pinconf_set, 952}; 953 954static struct pinctrl_desc palmas_pinctrl_desc = { 955 .pctlops = &palmas_pinctrl_ops, 956 .pmxops = &palmas_pinmux_ops, 957 .confops = &palmas_pinconf_ops, 958 .owner = THIS_MODULE, 959}; 960 961struct palmas_pinctrl_data { 962 const struct palmas_pingroup *pin_groups; 963 int num_pin_groups; 964}; 965 966static struct palmas_pinctrl_data tps65913_pinctrl_data = { 967 .pin_groups = tps65913_pingroups, 968 .num_pin_groups = ARRAY_SIZE(tps65913_pingroups), 969}; 970 971static struct palmas_pinctrl_data tps80036_pinctrl_data = { 972 .pin_groups = tps80036_pingroups, 973 .num_pin_groups = ARRAY_SIZE(tps80036_pingroups), 974}; 975 976static const struct of_device_id palmas_pinctrl_of_match[] = { 977 { .compatible = "ti,palmas-pinctrl", .data = &tps65913_pinctrl_data}, 978 { .compatible = "ti,tps65913-pinctrl", .data = &tps65913_pinctrl_data}, 979 { .compatible = "ti,tps80036-pinctrl", .data = &tps80036_pinctrl_data}, 980 { }, 981}; 982MODULE_DEVICE_TABLE(of, palmas_pinctrl_of_match); 983 984static int palmas_pinctrl_probe(struct platform_device *pdev) 985{ 986 struct palmas_pctrl_chip_info *pci; 987 const struct palmas_pinctrl_data *pinctrl_data = &tps65913_pinctrl_data; 988 int ret; 989 bool enable_dvfs1 = false; 990 bool enable_dvfs2 = false; 991 992 if (pdev->dev.of_node) { 993 pinctrl_data = of_device_get_match_data(&pdev->dev); 994 enable_dvfs1 = of_property_read_bool(pdev->dev.of_node, 995 "ti,palmas-enable-dvfs1"); 996 enable_dvfs2 = of_property_read_bool(pdev->dev.of_node, 997 "ti,palmas-enable-dvfs2"); 998 } 999 1000 pci = devm_kzalloc(&pdev->dev, sizeof(*pci), GFP_KERNEL); 1001 if (!pci) 1002 return -ENOMEM; 1003 1004 pci->dev = &pdev->dev; 1005 pci->palmas = dev_get_drvdata(pdev->dev.parent); 1006 1007 pci->pins = palmas_pins_desc; 1008 pci->num_pins = ARRAY_SIZE(palmas_pins_desc); 1009 pci->functions = palmas_pin_function; 1010 pci->num_functions = ARRAY_SIZE(palmas_pin_function); 1011 pci->pin_groups = pinctrl_data->pin_groups; 1012 pci->num_pin_groups = pinctrl_data->num_pin_groups; 1013 1014 platform_set_drvdata(pdev, pci); 1015 1016 palmas_pinctrl_set_dvfs1(pci, enable_dvfs1); 1017 palmas_pinctrl_set_dvfs2(pci, enable_dvfs2); 1018 ret = palmas_pinctrl_get_pin_mux(pci); 1019 if (ret < 0) { 1020 dev_err(&pdev->dev, 1021 "Reading pinctrol option register failed: %d\n", ret); 1022 return ret; 1023 } 1024 1025 palmas_pinctrl_desc.name = dev_name(&pdev->dev); 1026 palmas_pinctrl_desc.pins = palmas_pins_desc; 1027 palmas_pinctrl_desc.npins = ARRAY_SIZE(palmas_pins_desc); 1028 pci->pctl = devm_pinctrl_register(&pdev->dev, &palmas_pinctrl_desc, 1029 pci); 1030 if (IS_ERR(pci->pctl)) { 1031 dev_err(&pdev->dev, "Couldn't register pinctrl driver\n"); 1032 return PTR_ERR(pci->pctl); 1033 } 1034 return 0; 1035} 1036 1037static struct platform_driver palmas_pinctrl_driver = { 1038 .driver = { 1039 .name = "palmas-pinctrl", 1040 .of_match_table = palmas_pinctrl_of_match, 1041 }, 1042 .probe = palmas_pinctrl_probe, 1043}; 1044 1045module_platform_driver(palmas_pinctrl_driver); 1046 1047MODULE_DESCRIPTION("Palmas pin control driver"); 1048MODULE_AUTHOR("Laxman Dewangan<ldewangan@nvidia.com>"); 1049MODULE_ALIAS("platform:palmas-pinctrl"); 1050MODULE_LICENSE("GPL v2"); 1051