Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1 | /* |
| 2 | * pinctrl-palmas.c -- TI PALMAS series pin control driver. |
| 3 | * |
| 4 | * Copyright (c) 2013, NVIDIA Corporation. |
| 5 | * |
| 6 | * Author: Laxman Dewangan <ldewangan@nvidia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation version 2. |
| 11 | * |
| 12 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, |
| 13 | * whether express or implied; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 20 | * 02111-1307, USA |
| 21 | */ |
| 22 | |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/mfd/palmas.h> |
| 26 | #include <linux/of.h> |
| 27 | #include <linux/of_device.h> |
| 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/pinctrl/machine.h> |
| 30 | #include <linux/pinctrl/pinctrl.h> |
| 31 | #include <linux/pinctrl/pinconf-generic.h> |
| 32 | #include <linux/pinctrl/pinconf.h> |
| 33 | #include <linux/pinctrl/pinmux.h> |
| 34 | #include <linux/pm.h> |
| 35 | #include <linux/slab.h> |
| 36 | |
| 37 | #include "core.h" |
| 38 | #include "pinconf.h" |
| 39 | #include "pinctrl-utils.h" |
| 40 | |
| 41 | #define PALMAS_PIN_GPIO0_ID 0 |
| 42 | #define PALMAS_PIN_GPIO1_VBUS_LED1_PWM1 1 |
| 43 | #define PALMAS_PIN_GPIO2_REGEN_LED2_PWM2 2 |
| 44 | #define PALMAS_PIN_GPIO3_CHRG_DET 3 |
| 45 | #define PALMAS_PIN_GPIO4_SYSEN1 4 |
| 46 | #define PALMAS_PIN_GPIO5_CLK32KGAUDIO_USB_PSEL 5 |
| 47 | #define PALMAS_PIN_GPIO6_SYSEN2 6 |
| 48 | #define PALMAS_PIN_GPIO7_MSECURE_PWRHOLD 7 |
| 49 | #define PALMAS_PIN_GPIO8_SIM1RSTI 8 |
| 50 | #define PALMAS_PIN_GPIO9_LOW_VBAT 9 |
| 51 | #define PALMAS_PIN_GPIO10_WIRELESS_CHRG1 10 |
| 52 | #define PALMAS_PIN_GPIO11_RCM 11 |
| 53 | #define PALMAS_PIN_GPIO12_SIM2RSTO 12 |
| 54 | #define PALMAS_PIN_GPIO13 13 |
| 55 | #define PALMAS_PIN_GPIO14 14 |
| 56 | #define PALMAS_PIN_GPIO15_SIM2RSTI 15 |
| 57 | #define PALMAS_PIN_VAC 16 |
| 58 | #define PALMAS_PIN_POWERGOOD_USB_PSEL 17 |
| 59 | #define PALMAS_PIN_NRESWARM 18 |
| 60 | #define PALMAS_PIN_PWRDOWN 19 |
| 61 | #define PALMAS_PIN_GPADC_START 20 |
| 62 | #define PALMAS_PIN_RESET_IN 21 |
| 63 | #define PALMAS_PIN_NSLEEP 22 |
| 64 | #define PALMAS_PIN_ENABLE1 23 |
| 65 | #define PALMAS_PIN_ENABLE2 24 |
| 66 | #define PALMAS_PIN_INT 25 |
| 67 | #define PALMAS_PIN_NUM (PALMAS_PIN_INT + 1) |
| 68 | |
| 69 | struct palmas_pin_function { |
| 70 | const char *name; |
| 71 | const char * const *groups; |
| 72 | unsigned ngroups; |
| 73 | }; |
| 74 | |
| 75 | struct palmas_pctrl_chip_info { |
| 76 | struct device *dev; |
| 77 | struct pinctrl_dev *pctl; |
| 78 | struct palmas *palmas; |
| 79 | int pins_current_opt[PALMAS_PIN_NUM]; |
| 80 | const struct palmas_pin_function *functions; |
| 81 | unsigned num_functions; |
| 82 | const struct palmas_pingroup *pin_groups; |
| 83 | int num_pin_groups; |
| 84 | const struct pinctrl_pin_desc *pins; |
| 85 | unsigned num_pins; |
| 86 | }; |
| 87 | |
| 88 | static const struct pinctrl_pin_desc palmas_pins_desc[] = { |
| 89 | PINCTRL_PIN(PALMAS_PIN_GPIO0_ID, "gpio0"), |
| 90 | PINCTRL_PIN(PALMAS_PIN_GPIO1_VBUS_LED1_PWM1, "gpio1"), |
| 91 | PINCTRL_PIN(PALMAS_PIN_GPIO2_REGEN_LED2_PWM2, "gpio2"), |
| 92 | PINCTRL_PIN(PALMAS_PIN_GPIO3_CHRG_DET, "gpio3"), |
| 93 | PINCTRL_PIN(PALMAS_PIN_GPIO4_SYSEN1, "gpio4"), |
| 94 | PINCTRL_PIN(PALMAS_PIN_GPIO5_CLK32KGAUDIO_USB_PSEL, "gpio5"), |
| 95 | PINCTRL_PIN(PALMAS_PIN_GPIO6_SYSEN2, "gpio6"), |
| 96 | PINCTRL_PIN(PALMAS_PIN_GPIO7_MSECURE_PWRHOLD, "gpio7"), |
| 97 | PINCTRL_PIN(PALMAS_PIN_GPIO8_SIM1RSTI, "gpio8"), |
| 98 | PINCTRL_PIN(PALMAS_PIN_GPIO9_LOW_VBAT, "gpio9"), |
| 99 | PINCTRL_PIN(PALMAS_PIN_GPIO10_WIRELESS_CHRG1, "gpio10"), |
| 100 | PINCTRL_PIN(PALMAS_PIN_GPIO11_RCM, "gpio11"), |
| 101 | PINCTRL_PIN(PALMAS_PIN_GPIO12_SIM2RSTO, "gpio12"), |
| 102 | PINCTRL_PIN(PALMAS_PIN_GPIO13, "gpio13"), |
| 103 | PINCTRL_PIN(PALMAS_PIN_GPIO14, "gpio14"), |
| 104 | PINCTRL_PIN(PALMAS_PIN_GPIO15_SIM2RSTI, "gpio15"), |
| 105 | PINCTRL_PIN(PALMAS_PIN_VAC, "vac"), |
| 106 | PINCTRL_PIN(PALMAS_PIN_POWERGOOD_USB_PSEL, "powergood"), |
| 107 | PINCTRL_PIN(PALMAS_PIN_NRESWARM, "nreswarm"), |
| 108 | PINCTRL_PIN(PALMAS_PIN_PWRDOWN, "pwrdown"), |
| 109 | PINCTRL_PIN(PALMAS_PIN_GPADC_START, "gpadc_start"), |
| 110 | PINCTRL_PIN(PALMAS_PIN_RESET_IN, "reset_in"), |
| 111 | PINCTRL_PIN(PALMAS_PIN_NSLEEP, "nsleep"), |
| 112 | PINCTRL_PIN(PALMAS_PIN_ENABLE1, "enable1"), |
| 113 | PINCTRL_PIN(PALMAS_PIN_ENABLE2, "enable2"), |
| 114 | PINCTRL_PIN(PALMAS_PIN_INT, "int"), |
| 115 | }; |
| 116 | |
| 117 | static const char * const opt0_groups[] = { |
| 118 | "gpio0", |
| 119 | "gpio1", |
| 120 | "gpio2", |
| 121 | "gpio3", |
| 122 | "gpio4", |
| 123 | "gpio5", |
| 124 | "gpio6", |
| 125 | "gpio7", |
| 126 | "gpio8", |
| 127 | "gpio9", |
| 128 | "gpio10", |
| 129 | "gpio11", |
| 130 | "gpio12", |
| 131 | "gpio13", |
| 132 | "gpio14", |
| 133 | "gpio15", |
| 134 | "vac", |
| 135 | "powergood", |
| 136 | "nreswarm", |
| 137 | "pwrdown", |
| 138 | "gpadc_start", |
| 139 | "reset_in", |
| 140 | "nsleep", |
| 141 | "enable1", |
| 142 | "enable2", |
| 143 | "int", |
| 144 | }; |
| 145 | |
| 146 | static const char * const opt1_groups[] = { |
| 147 | "gpio0", |
| 148 | "gpio1", |
| 149 | "gpio2", |
| 150 | "gpio3", |
| 151 | "gpio4", |
| 152 | "gpio5", |
| 153 | "gpio6", |
| 154 | "gpio7", |
| 155 | "gpio8", |
| 156 | "gpio9", |
| 157 | "gpio10", |
| 158 | "gpio11", |
| 159 | "gpio12", |
| 160 | "gpio15", |
| 161 | "vac", |
| 162 | "powergood", |
| 163 | }; |
| 164 | |
| 165 | static const char * const opt2_groups[] = { |
| 166 | "gpio1", |
| 167 | "gpio2", |
| 168 | "gpio5", |
| 169 | "gpio7", |
| 170 | }; |
| 171 | |
| 172 | static const char * const opt3_groups[] = { |
| 173 | "gpio1", |
| 174 | "gpio2", |
| 175 | }; |
| 176 | |
| 177 | static const char * const gpio_groups[] = { |
| 178 | "gpio0", |
| 179 | "gpio1", |
| 180 | "gpio2", |
| 181 | "gpio3", |
| 182 | "gpio4", |
| 183 | "gpio5", |
| 184 | "gpio6", |
| 185 | "gpio7", |
| 186 | "gpio8", |
| 187 | "gpio9", |
| 188 | "gpio10", |
| 189 | "gpio11", |
| 190 | "gpio12", |
| 191 | "gpio13", |
| 192 | "gpio14", |
| 193 | "gpio15", |
| 194 | }; |
| 195 | |
| 196 | static const char * const led_groups[] = { |
| 197 | "gpio1", |
| 198 | "gpio2", |
| 199 | }; |
| 200 | |
| 201 | static const char * const pwm_groups[] = { |
| 202 | "gpio1", |
| 203 | "gpio2", |
| 204 | }; |
| 205 | |
| 206 | static const char * const regen_groups[] = { |
| 207 | "gpio2", |
| 208 | }; |
| 209 | |
| 210 | static const char * const sysen_groups[] = { |
| 211 | "gpio4", |
| 212 | "gpio6", |
| 213 | }; |
| 214 | |
| 215 | static const char * const clk32kgaudio_groups[] = { |
| 216 | "gpio5", |
| 217 | }; |
| 218 | |
| 219 | static const char * const id_groups[] = { |
| 220 | "gpio0", |
| 221 | }; |
| 222 | |
| 223 | static const char * const vbus_det_groups[] = { |
| 224 | "gpio1", |
| 225 | }; |
| 226 | |
| 227 | static const char * const chrg_det_groups[] = { |
| 228 | "gpio3", |
| 229 | }; |
| 230 | |
| 231 | static const char * const vac_groups[] = { |
| 232 | "vac", |
| 233 | }; |
| 234 | |
| 235 | static const char * const vacok_groups[] = { |
| 236 | "vac", |
| 237 | }; |
| 238 | |
| 239 | static const char * const powergood_groups[] = { |
| 240 | "powergood", |
| 241 | }; |
| 242 | |
| 243 | static const char * const usb_psel_groups[] = { |
| 244 | "gpio5", |
| 245 | "powergood", |
| 246 | }; |
| 247 | |
| 248 | static const char * const msecure_groups[] = { |
| 249 | "gpio7", |
| 250 | }; |
| 251 | |
| 252 | static const char * const pwrhold_groups[] = { |
| 253 | "gpio7", |
| 254 | }; |
| 255 | |
| 256 | static const char * const int_groups[] = { |
| 257 | "int", |
| 258 | }; |
| 259 | |
| 260 | static const char * const nreswarm_groups[] = { |
| 261 | "nreswarm", |
| 262 | }; |
| 263 | |
| 264 | static const char * const simrsto_groups[] = { |
| 265 | "gpio12", |
| 266 | }; |
| 267 | |
| 268 | static const char * const simrsti_groups[] = { |
| 269 | "gpio8", |
| 270 | "gpio15", |
| 271 | }; |
| 272 | |
| 273 | static const char * const low_vbat_groups[] = { |
| 274 | "gpio9", |
| 275 | }; |
| 276 | |
| 277 | static const char * const wireless_chrg1_groups[] = { |
| 278 | "gpio10", |
| 279 | }; |
| 280 | |
| 281 | static const char * const rcm_groups[] = { |
| 282 | "gpio11", |
| 283 | }; |
| 284 | |
| 285 | static const char * const pwrdown_groups[] = { |
| 286 | "pwrdown", |
| 287 | }; |
| 288 | |
| 289 | static const char * const gpadc_start_groups[] = { |
| 290 | "gpadc_start", |
| 291 | }; |
| 292 | |
| 293 | static const char * const reset_in_groups[] = { |
| 294 | "reset_in", |
| 295 | }; |
| 296 | |
| 297 | static const char * const nsleep_groups[] = { |
| 298 | "nsleep", |
| 299 | }; |
| 300 | |
| 301 | static const char * const enable_groups[] = { |
| 302 | "enable1", |
| 303 | "enable2", |
| 304 | }; |
| 305 | |
| 306 | #define FUNCTION_GROUPS \ |
| 307 | FUNCTION_GROUP(opt0, OPTION0), \ |
| 308 | FUNCTION_GROUP(opt1, OPTION1), \ |
| 309 | FUNCTION_GROUP(opt2, OPTION2), \ |
| 310 | FUNCTION_GROUP(opt3, OPTION3), \ |
| 311 | FUNCTION_GROUP(gpio, GPIO), \ |
| 312 | FUNCTION_GROUP(led, LED), \ |
| 313 | FUNCTION_GROUP(pwm, PWM), \ |
| 314 | FUNCTION_GROUP(regen, REGEN), \ |
| 315 | FUNCTION_GROUP(sysen, SYSEN), \ |
| 316 | FUNCTION_GROUP(clk32kgaudio, CLK32KGAUDIO), \ |
| 317 | FUNCTION_GROUP(id, ID), \ |
| 318 | FUNCTION_GROUP(vbus_det, VBUS_DET), \ |
| 319 | FUNCTION_GROUP(chrg_det, CHRG_DET), \ |
| 320 | FUNCTION_GROUP(vac, VAC), \ |
| 321 | FUNCTION_GROUP(vacok, VACOK), \ |
| 322 | FUNCTION_GROUP(powergood, POWERGOOD), \ |
| 323 | FUNCTION_GROUP(usb_psel, USB_PSEL), \ |
| 324 | FUNCTION_GROUP(msecure, MSECURE), \ |
| 325 | FUNCTION_GROUP(pwrhold, PWRHOLD), \ |
| 326 | FUNCTION_GROUP(int, INT), \ |
| 327 | FUNCTION_GROUP(nreswarm, NRESWARM), \ |
| 328 | FUNCTION_GROUP(simrsto, SIMRSTO), \ |
| 329 | FUNCTION_GROUP(simrsti, SIMRSTI), \ |
| 330 | FUNCTION_GROUP(low_vbat, LOW_VBAT), \ |
| 331 | FUNCTION_GROUP(wireless_chrg1, WIRELESS_CHRG1), \ |
| 332 | FUNCTION_GROUP(rcm, RCM), \ |
| 333 | FUNCTION_GROUP(pwrdown, PWRDOWN), \ |
| 334 | FUNCTION_GROUP(gpadc_start, GPADC_START), \ |
| 335 | FUNCTION_GROUP(reset_in, RESET_IN), \ |
| 336 | FUNCTION_GROUP(nsleep, NSLEEP), \ |
| 337 | FUNCTION_GROUP(enable, ENABLE) |
| 338 | |
| 339 | static const struct palmas_pin_function palmas_pin_function[] = { |
| 340 | #undef FUNCTION_GROUP |
| 341 | #define FUNCTION_GROUP(fname, mux) \ |
| 342 | { \ |
| 343 | .name = #fname, \ |
| 344 | .groups = fname##_groups, \ |
| 345 | .ngroups = ARRAY_SIZE(fname##_groups), \ |
| 346 | } |
| 347 | |
| 348 | FUNCTION_GROUPS, |
| 349 | }; |
| 350 | |
| 351 | enum palmas_pinmux { |
| 352 | #undef FUNCTION_GROUP |
| 353 | #define FUNCTION_GROUP(fname, mux) PALMAS_PINMUX_##mux |
| 354 | FUNCTION_GROUPS, |
| 355 | PALMAS_PINMUX_NA = 0xFFFF, |
| 356 | }; |
| 357 | |
| 358 | struct palmas_pins_pullup_dn_info { |
| 359 | int pullup_dn_reg_base; |
| 360 | int pullup_dn_reg_add; |
| 361 | int pullup_dn_mask; |
| 362 | int normal_val; |
| 363 | int pull_up_val; |
| 364 | int pull_dn_val; |
| 365 | }; |
| 366 | |
| 367 | struct palmas_pins_od_info { |
| 368 | int od_reg_base; |
| 369 | int od_reg_add; |
| 370 | int od_mask; |
| 371 | int od_enable; |
| 372 | int od_disable; |
| 373 | }; |
| 374 | |
| 375 | struct palmas_pin_info { |
| 376 | enum palmas_pinmux mux_opt; |
| 377 | const struct palmas_pins_pullup_dn_info *pud_info; |
| 378 | const struct palmas_pins_od_info *od_info; |
| 379 | }; |
| 380 | |
| 381 | struct palmas_pingroup { |
| 382 | const char *name; |
| 383 | const unsigned pins[1]; |
| 384 | unsigned npins; |
| 385 | unsigned mux_reg_base; |
| 386 | unsigned mux_reg_add; |
| 387 | unsigned mux_reg_mask; |
| 388 | unsigned mux_bit_shift; |
| 389 | const struct palmas_pin_info *opt[4]; |
| 390 | }; |
| 391 | |
| 392 | #define PULL_UP_DN(_name, _rbase, _add, _mask, _nv, _uv, _dv) \ |
| 393 | static const struct palmas_pins_pullup_dn_info pud_##_name##_info = { \ |
| 394 | .pullup_dn_reg_base = PALMAS_##_rbase##_BASE, \ |
| 395 | .pullup_dn_reg_add = _add, \ |
| 396 | .pullup_dn_mask = _mask, \ |
| 397 | .normal_val = _nv, \ |
| 398 | .pull_up_val = _uv, \ |
| 399 | .pull_dn_val = _dv, \ |
| 400 | } |
| 401 | |
| 402 | PULL_UP_DN(nreswarm, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x2, 0x0, 0x2, -1); |
| 403 | PULL_UP_DN(pwrdown, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x4, 0x0, -1, 0x4); |
| 404 | PULL_UP_DN(gpadc_start, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x30, 0x0, 0x20, 0x10); |
| 405 | PULL_UP_DN(reset_in, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL1, 0x40, 0x0, -1, 0x40); |
| 406 | PULL_UP_DN(nsleep, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0x3, 0x0, 0x2, 0x1); |
| 407 | PULL_UP_DN(enable1, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0xC, 0x0, 0x8, 0x4); |
| 408 | PULL_UP_DN(enable2, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL2, 0x30, 0x0, 0x20, 0x10); |
| 409 | PULL_UP_DN(vacok, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x40, 0x0, -1, 0x40); |
| 410 | PULL_UP_DN(chrg_det, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x10, 0x0, -1, 0x10); |
| 411 | PULL_UP_DN(pwrhold, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x4, 0x0, -1, 0x4); |
| 412 | PULL_UP_DN(msecure, PU_PD_OD, PALMAS_PU_PD_INPUT_CTRL3, 0x1, 0x0, -1, 0x1); |
| 413 | PULL_UP_DN(id, USB_OTG, PALMAS_USB_ID_CTRL_SET, 0x40, 0x0, 0x40, -1); |
| 414 | PULL_UP_DN(gpio0, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x04, 0, -1, 1); |
| 415 | PULL_UP_DN(gpio1, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x0C, 0, 0x8, 0x4); |
| 416 | PULL_UP_DN(gpio2, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x30, 0x0, 0x20, 0x10); |
| 417 | PULL_UP_DN(gpio3, GPIO, PALMAS_PU_PD_GPIO_CTRL1, 0x40, 0x0, -1, 0x40); |
| 418 | PULL_UP_DN(gpio4, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x03, 0x0, 0x2, 0x1); |
| 419 | PULL_UP_DN(gpio5, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x0c, 0x0, 0x8, 0x4); |
| 420 | PULL_UP_DN(gpio6, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x30, 0x0, 0x20, 0x10); |
| 421 | PULL_UP_DN(gpio7, GPIO, PALMAS_PU_PD_GPIO_CTRL2, 0x40, 0x0, -1, 0x40); |
| 422 | PULL_UP_DN(gpio9, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0x0C, 0x0, 0x8, 0x4); |
| 423 | PULL_UP_DN(gpio10, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0x30, 0x0, 0x20, 0x10); |
| 424 | PULL_UP_DN(gpio11, GPIO, PALMAS_PU_PD_GPIO_CTRL3, 0xC0, 0x0, 0x80, 0x40); |
| 425 | PULL_UP_DN(gpio13, GPIO, PALMAS_PU_PD_GPIO_CTRL4, 0x04, 0x0, -1, 0x04); |
| 426 | PULL_UP_DN(gpio14, GPIO, PALMAS_PU_PD_GPIO_CTRL4, 0x30, 0x0, 0x20, 0x10); |
| 427 | |
| 428 | #define OD_INFO(_name, _rbase, _add, _mask, _ev, _dv) \ |
| 429 | static const struct palmas_pins_od_info od_##_name##_info = { \ |
| 430 | .od_reg_base = PALMAS_##_rbase##_BASE, \ |
| 431 | .od_reg_add = _add, \ |
| 432 | .od_mask = _mask, \ |
| 433 | .od_enable = _ev, \ |
| 434 | .od_disable = _dv, \ |
| 435 | } |
| 436 | |
| 437 | OD_INFO(gpio1, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x1, 0x1, 0x0); |
| 438 | OD_INFO(gpio2, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x2, 0x2, 0x0); |
| 439 | OD_INFO(gpio5, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL, 0x20, 0x20, 0x0); |
| 440 | OD_INFO(gpio10, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL2, 0x04, 0x04, 0x0); |
| 441 | OD_INFO(gpio13, GPIO, PALMAS_OD_OUTPUT_GPIO_CTRL2, 0x20, 0x20, 0x0); |
| 442 | OD_INFO(int, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x8, 0x8, 0x0); |
| 443 | OD_INFO(pwm1, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x20, 0x20, 0x0); |
| 444 | OD_INFO(pwm2, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x80, 0x80, 0x0); |
| 445 | OD_INFO(vbus_det, PU_PD_OD, PALMAS_OD_OUTPUT_CTRL, 0x40, 0x40, 0x0); |
| 446 | |
| 447 | #define PIN_INFO(_name, _id, _pud_info, _od_info) \ |
| 448 | static const struct palmas_pin_info pin_##_name##_info = { \ |
| 449 | .mux_opt = PALMAS_PINMUX_##_id, \ |
| 450 | .pud_info = _pud_info, \ |
| 451 | .od_info = _od_info \ |
| 452 | } |
| 453 | |
| 454 | PIN_INFO(gpio0, GPIO, &pud_gpio0_info, NULL); |
| 455 | PIN_INFO(gpio1, GPIO, &pud_gpio1_info, &od_gpio1_info); |
| 456 | PIN_INFO(gpio2, GPIO, &pud_gpio2_info, &od_gpio2_info); |
| 457 | PIN_INFO(gpio3, GPIO, &pud_gpio3_info, NULL); |
| 458 | PIN_INFO(gpio4, GPIO, &pud_gpio4_info, NULL); |
| 459 | PIN_INFO(gpio5, GPIO, &pud_gpio5_info, &od_gpio5_info); |
| 460 | PIN_INFO(gpio6, GPIO, &pud_gpio6_info, NULL); |
| 461 | PIN_INFO(gpio7, GPIO, &pud_gpio7_info, NULL); |
| 462 | PIN_INFO(gpio8, GPIO, NULL, NULL); |
| 463 | PIN_INFO(gpio9, GPIO, &pud_gpio9_info, NULL); |
| 464 | PIN_INFO(gpio10, GPIO, &pud_gpio10_info, &od_gpio10_info); |
| 465 | PIN_INFO(gpio11, GPIO, &pud_gpio11_info, NULL); |
| 466 | PIN_INFO(gpio12, GPIO, NULL, NULL); |
| 467 | PIN_INFO(gpio13, GPIO, &pud_gpio13_info, &od_gpio13_info); |
| 468 | PIN_INFO(gpio14, GPIO, &pud_gpio14_info, NULL); |
| 469 | PIN_INFO(gpio15, GPIO, NULL, NULL); |
| 470 | PIN_INFO(id, ID, &pud_id_info, NULL); |
| 471 | PIN_INFO(led1, LED, NULL, NULL); |
| 472 | PIN_INFO(led2, LED, NULL, NULL); |
| 473 | PIN_INFO(regen, REGEN, NULL, NULL); |
| 474 | PIN_INFO(sysen1, SYSEN, NULL, NULL); |
| 475 | PIN_INFO(sysen2, SYSEN, NULL, NULL); |
| 476 | PIN_INFO(int, INT, NULL, &od_int_info); |
| 477 | PIN_INFO(pwm1, PWM, NULL, &od_pwm1_info); |
| 478 | PIN_INFO(pwm2, PWM, NULL, &od_pwm2_info); |
| 479 | PIN_INFO(vacok, VACOK, &pud_vacok_info, NULL); |
| 480 | PIN_INFO(chrg_det, CHRG_DET, &pud_chrg_det_info, NULL); |
| 481 | PIN_INFO(pwrhold, PWRHOLD, &pud_pwrhold_info, NULL); |
| 482 | PIN_INFO(msecure, MSECURE, &pud_msecure_info, NULL); |
| 483 | PIN_INFO(nreswarm, NA, &pud_nreswarm_info, NULL); |
| 484 | PIN_INFO(pwrdown, NA, &pud_pwrdown_info, NULL); |
| 485 | PIN_INFO(gpadc_start, NA, &pud_gpadc_start_info, NULL); |
| 486 | PIN_INFO(reset_in, NA, &pud_reset_in_info, NULL); |
| 487 | PIN_INFO(nsleep, NA, &pud_nsleep_info, NULL); |
| 488 | PIN_INFO(enable1, NA, &pud_enable1_info, NULL); |
| 489 | PIN_INFO(enable2, NA, &pud_enable2_info, NULL); |
| 490 | PIN_INFO(clk32kgaudio, CLK32KGAUDIO, NULL, NULL); |
| 491 | PIN_INFO(usb_psel, USB_PSEL, NULL, NULL); |
| 492 | PIN_INFO(vac, VAC, NULL, NULL); |
| 493 | PIN_INFO(powergood, POWERGOOD, NULL, NULL); |
| 494 | PIN_INFO(vbus_det, VBUS_DET, NULL, &od_vbus_det_info); |
| 495 | PIN_INFO(sim1rsti, SIMRSTI, NULL, NULL); |
| 496 | PIN_INFO(low_vbat, LOW_VBAT, NULL, NULL); |
| 497 | PIN_INFO(rcm, RCM, NULL, NULL); |
| 498 | PIN_INFO(sim2rsto, SIMRSTO, NULL, NULL); |
| 499 | PIN_INFO(sim2rsti, SIMRSTI, NULL, NULL); |
| 500 | PIN_INFO(wireless_chrg1, WIRELESS_CHRG1, NULL, NULL); |
| 501 | |
| 502 | #define PALMAS_PRIMARY_SECONDARY_NONE 0 |
| 503 | #define PALMAS_NONE_BASE 0 |
| 504 | #define PALMAS_PRIMARY_SECONDARY_INPUT3 PALMAS_PU_PD_INPUT_CTRL3 |
| 505 | |
| 506 | #define PALMAS_PINGROUP(pg_name, pin_id, base, reg, _mask, _bshift, o0, o1, o2, o3) \ |
| 507 | { \ |
| 508 | .name = #pg_name, \ |
| 509 | .pins = {PALMAS_PIN_##pin_id}, \ |
| 510 | .npins = 1, \ |
| 511 | .mux_reg_base = PALMAS_##base##_BASE, \ |
| 512 | .mux_reg_add = PALMAS_PRIMARY_SECONDARY_##reg, \ |
| 513 | .mux_reg_mask = _mask, \ |
| 514 | .mux_bit_shift = _bshift, \ |
| 515 | .opt = { \ |
| 516 | o0, \ |
| 517 | o1, \ |
| 518 | o2, \ |
| 519 | o3, \ |
| 520 | }, \ |
| 521 | } |
| 522 | |
| 523 | static const struct palmas_pingroup tps65913_pingroups[] = { |
| 524 | PALMAS_PINGROUP(gpio0, GPIO0_ID, PU_PD_OD, PAD1, 0x4, 0x2, &pin_gpio0_info, &pin_id_info, NULL, NULL), |
| 525 | 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), |
| 526 | 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), |
| 527 | PALMAS_PINGROUP(gpio3, GPIO3_CHRG_DET, PU_PD_OD, PAD1, 0x80, 0x7, &pin_gpio3_info, &pin_chrg_det_info, NULL, NULL), |
| 528 | PALMAS_PINGROUP(gpio4, GPIO4_SYSEN1, PU_PD_OD, PAD1, 0x01, 0x0, &pin_gpio4_info, &pin_sysen1_info, NULL, NULL), |
| 529 | PALMAS_PINGROUP(gpio5, GPIO5_CLK32KGAUDIO_USB_PSEL, PU_PD_OD, PAD2, 0x6, 0x1, &pin_gpio5_info, &pin_clk32kgaudio_info, &pin_usb_psel_info, NULL), |
| 530 | PALMAS_PINGROUP(gpio6, GPIO6_SYSEN2, PU_PD_OD, PAD2, 0x08, 0x3, &pin_gpio6_info, &pin_sysen2_info, NULL, NULL), |
| 531 | PALMAS_PINGROUP(gpio7, GPIO7_MSECURE_PWRHOLD, PU_PD_OD, PAD2, 0x30, 0x4, &pin_gpio7_info, &pin_msecure_info, &pin_pwrhold_info, NULL), |
| 532 | PALMAS_PINGROUP(vac, VAC, PU_PD_OD, PAD1, 0x02, 0x1, &pin_vac_info, &pin_vacok_info, NULL, NULL), |
| 533 | PALMAS_PINGROUP(powergood, POWERGOOD_USB_PSEL, PU_PD_OD, PAD1, 0x01, 0x0, &pin_powergood_info, &pin_usb_psel_info, NULL, NULL), |
| 534 | PALMAS_PINGROUP(nreswarm, NRESWARM, NONE, NONE, 0x0, 0x0, &pin_nreswarm_info, NULL, NULL, NULL), |
| 535 | PALMAS_PINGROUP(pwrdown, PWRDOWN, NONE, NONE, 0x0, 0x0, &pin_pwrdown_info, NULL, NULL, NULL), |
| 536 | PALMAS_PINGROUP(gpadc_start, GPADC_START, NONE, NONE, 0x0, 0x0, &pin_gpadc_start_info, NULL, NULL, NULL), |
| 537 | PALMAS_PINGROUP(reset_in, RESET_IN, NONE, NONE, 0x0, 0x0, &pin_reset_in_info, NULL, NULL, NULL), |
| 538 | PALMAS_PINGROUP(nsleep, NSLEEP, NONE, NONE, 0x0, 0x0, &pin_nsleep_info, NULL, NULL, NULL), |
| 539 | PALMAS_PINGROUP(enable1, ENABLE1, NONE, NONE, 0x0, 0x0, &pin_enable1_info, NULL, NULL, NULL), |
| 540 | PALMAS_PINGROUP(enable2, ENABLE2, NONE, NONE, 0x0, 0x0, &pin_enable2_info, NULL, NULL, NULL), |
| 541 | PALMAS_PINGROUP(int, INT, NONE, NONE, 0x0, 0x0, &pin_int_info, NULL, NULL, NULL), |
| 542 | }; |
| 543 | |
| 544 | static const struct palmas_pingroup tps80036_pingroups[] = { |
| 545 | PALMAS_PINGROUP(gpio0, GPIO0_ID, PU_PD_OD, PAD1, 0x4, 0x2, &pin_gpio0_info, &pin_id_info, NULL, NULL), |
| 546 | 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), |
| 547 | 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), |
| 548 | PALMAS_PINGROUP(gpio3, GPIO3_CHRG_DET, PU_PD_OD, PAD1, 0x80, 0x7, &pin_gpio3_info, &pin_chrg_det_info, NULL, NULL), |
| 549 | PALMAS_PINGROUP(gpio4, GPIO4_SYSEN1, PU_PD_OD, PAD1, 0x01, 0x0, &pin_gpio4_info, &pin_sysen1_info, NULL, NULL), |
| 550 | PALMAS_PINGROUP(gpio5, GPIO5_CLK32KGAUDIO_USB_PSEL, PU_PD_OD, PAD2, 0x6, 0x1, &pin_gpio5_info, &pin_clk32kgaudio_info, &pin_usb_psel_info, NULL), |
| 551 | PALMAS_PINGROUP(gpio6, GPIO6_SYSEN2, PU_PD_OD, PAD2, 0x08, 0x3, &pin_gpio6_info, &pin_sysen2_info, NULL, NULL), |
| 552 | PALMAS_PINGROUP(gpio7, GPIO7_MSECURE_PWRHOLD, PU_PD_OD, PAD2, 0x30, 0x4, &pin_gpio7_info, &pin_msecure_info, &pin_pwrhold_info, NULL), |
| 553 | PALMAS_PINGROUP(gpio8, GPIO8_SIM1RSTI, PU_PD_OD, PAD4, 0x01, 0x0, &pin_gpio8_info, &pin_sim1rsti_info, NULL, NULL), |
| 554 | PALMAS_PINGROUP(gpio9, GPIO9_LOW_VBAT, PU_PD_OD, PAD4, 0x02, 0x1, &pin_gpio9_info, &pin_low_vbat_info, NULL, NULL), |
| 555 | PALMAS_PINGROUP(gpio10, GPIO10_WIRELESS_CHRG1, PU_PD_OD, PAD4, 0x04, 0x2, &pin_gpio10_info, &pin_wireless_chrg1_info, NULL, NULL), |
| 556 | PALMAS_PINGROUP(gpio11, GPIO11_RCM, PU_PD_OD, PAD4, 0x08, 0x3, &pin_gpio11_info, &pin_rcm_info, NULL, NULL), |
| 557 | PALMAS_PINGROUP(gpio12, GPIO12_SIM2RSTO, PU_PD_OD, PAD4, 0x10, 0x4, &pin_gpio12_info, &pin_sim2rsto_info, NULL, NULL), |
| 558 | PALMAS_PINGROUP(gpio13, GPIO13, NONE, NONE, 0x00, 0x0, &pin_gpio13_info, NULL, NULL, NULL), |
| 559 | PALMAS_PINGROUP(gpio14, GPIO14, NONE, NONE, 0x00, 0x0, &pin_gpio14_info, NULL, NULL, NULL), |
| 560 | PALMAS_PINGROUP(gpio15, GPIO15_SIM2RSTI, PU_PD_OD, PAD4, 0x80, 0x7, &pin_gpio15_info, &pin_sim2rsti_info, NULL, NULL), |
| 561 | PALMAS_PINGROUP(vac, VAC, PU_PD_OD, PAD1, 0x02, 0x1, &pin_vac_info, &pin_vacok_info, NULL, NULL), |
| 562 | PALMAS_PINGROUP(powergood, POWERGOOD_USB_PSEL, PU_PD_OD, PAD1, 0x01, 0x0, &pin_powergood_info, &pin_usb_psel_info, NULL, NULL), |
| 563 | PALMAS_PINGROUP(nreswarm, NRESWARM, NONE, NONE, 0x0, 0x0, &pin_nreswarm_info, NULL, NULL, NULL), |
| 564 | PALMAS_PINGROUP(pwrdown, PWRDOWN, NONE, NONE, 0x0, 0x0, &pin_pwrdown_info, NULL, NULL, NULL), |
| 565 | PALMAS_PINGROUP(gpadc_start, GPADC_START, NONE, NONE, 0x0, 0x0, &pin_gpadc_start_info, NULL, NULL, NULL), |
| 566 | PALMAS_PINGROUP(reset_in, RESET_IN, NONE, NONE, 0x0, 0x0, &pin_reset_in_info, NULL, NULL, NULL), |
| 567 | PALMAS_PINGROUP(nsleep, NSLEEP, NONE, NONE, 0x0, 0x0, &pin_nsleep_info, NULL, NULL, NULL), |
| 568 | PALMAS_PINGROUP(enable1, ENABLE1, NONE, NONE, 0x0, 0x0, &pin_enable1_info, NULL, NULL, NULL), |
| 569 | PALMAS_PINGROUP(enable2, ENABLE2, NONE, NONE, 0x0, 0x0, &pin_enable2_info, NULL, NULL, NULL), |
| 570 | PALMAS_PINGROUP(int, INT, NONE, NONE, 0x0, 0x0, &pin_int_info, NULL, NULL, NULL), |
| 571 | }; |
| 572 | |
| 573 | static int palmas_pinctrl_get_pin_mux(struct palmas_pctrl_chip_info *pci) |
| 574 | { |
| 575 | const struct palmas_pingroup *g; |
| 576 | unsigned int val; |
| 577 | int ret; |
| 578 | int i; |
| 579 | |
| 580 | for (i = 0; i < pci->num_pin_groups; ++i) { |
| 581 | g = &pci->pin_groups[i]; |
| 582 | if (g->mux_reg_base == PALMAS_NONE_BASE) { |
| 583 | pci->pins_current_opt[i] = 0; |
| 584 | continue; |
| 585 | } |
| 586 | ret = palmas_read(pci->palmas, g->mux_reg_base, |
| 587 | g->mux_reg_add, &val); |
| 588 | if (ret < 0) { |
| 589 | dev_err(pci->dev, "mux_reg 0x%02x read failed: %d\n", |
| 590 | g->mux_reg_add, ret); |
| 591 | return ret; |
| 592 | } |
| 593 | val &= g->mux_reg_mask; |
| 594 | pci->pins_current_opt[i] = val >> g->mux_bit_shift; |
| 595 | } |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | static int palmas_pinctrl_set_dvfs1(struct palmas_pctrl_chip_info *pci, |
| 600 | bool enable) |
| 601 | { |
| 602 | int ret; |
| 603 | int val; |
| 604 | |
| 605 | val = enable ? PALMAS_PRIMARY_SECONDARY_PAD3_DVFS1 : 0; |
| 606 | ret = palmas_update_bits(pci->palmas, PALMAS_PU_PD_OD_BASE, |
| 607 | PALMAS_PRIMARY_SECONDARY_PAD3, |
| 608 | PALMAS_PRIMARY_SECONDARY_PAD3_DVFS1, val); |
| 609 | if (ret < 0) |
| 610 | dev_err(pci->dev, "SECONDARY_PAD3 update failed %d\n", ret); |
| 611 | return ret; |
| 612 | } |
| 613 | |
| 614 | static int palmas_pinctrl_set_dvfs2(struct palmas_pctrl_chip_info *pci, |
| 615 | bool enable) |
| 616 | { |
| 617 | int ret; |
| 618 | int val; |
| 619 | |
| 620 | val = enable ? PALMAS_PRIMARY_SECONDARY_PAD3_DVFS2 : 0; |
| 621 | ret = palmas_update_bits(pci->palmas, PALMAS_PU_PD_OD_BASE, |
| 622 | PALMAS_PRIMARY_SECONDARY_PAD3, |
| 623 | PALMAS_PRIMARY_SECONDARY_PAD3_DVFS2, val); |
| 624 | if (ret < 0) |
| 625 | dev_err(pci->dev, "SECONDARY_PAD3 update failed %d\n", ret); |
| 626 | return ret; |
| 627 | } |
| 628 | |
| 629 | static int palmas_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) |
| 630 | { |
| 631 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 632 | |
| 633 | return pci->num_pin_groups; |
| 634 | } |
| 635 | |
| 636 | static const char *palmas_pinctrl_get_group_name(struct pinctrl_dev *pctldev, |
| 637 | unsigned group) |
| 638 | { |
| 639 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 640 | |
| 641 | return pci->pin_groups[group].name; |
| 642 | } |
| 643 | |
| 644 | static int palmas_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, |
| 645 | unsigned group, const unsigned **pins, unsigned *num_pins) |
| 646 | { |
| 647 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 648 | |
| 649 | *pins = pci->pin_groups[group].pins; |
| 650 | *num_pins = pci->pin_groups[group].npins; |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | static const struct pinctrl_ops palmas_pinctrl_ops = { |
| 655 | .get_groups_count = palmas_pinctrl_get_groups_count, |
| 656 | .get_group_name = palmas_pinctrl_get_group_name, |
| 657 | .get_group_pins = palmas_pinctrl_get_group_pins, |
Laxman Dewangan | 3287c24 | 2013-08-21 16:53:37 +0530 | [diff] [blame] | 658 | .dt_node_to_map = pinconf_generic_dt_node_to_map_pin, |
Irina Tirdea | d32f7fd | 2016-03-31 14:44:42 +0300 | [diff] [blame] | 659 | .dt_free_map = pinctrl_utils_free_map, |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 660 | }; |
| 661 | |
| 662 | static int palmas_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev) |
| 663 | { |
| 664 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 665 | |
| 666 | return pci->num_functions; |
| 667 | } |
| 668 | |
| 669 | static const char *palmas_pinctrl_get_func_name(struct pinctrl_dev *pctldev, |
| 670 | unsigned function) |
| 671 | { |
| 672 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 673 | |
| 674 | return pci->functions[function].name; |
| 675 | } |
| 676 | |
| 677 | static int palmas_pinctrl_get_func_groups(struct pinctrl_dev *pctldev, |
| 678 | unsigned function, const char * const **groups, |
| 679 | unsigned * const num_groups) |
| 680 | { |
| 681 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 682 | |
| 683 | *groups = pci->functions[function].groups; |
| 684 | *num_groups = pci->functions[function].ngroups; |
| 685 | return 0; |
| 686 | } |
| 687 | |
Linus Walleij | 03e9f0c | 2014-09-03 13:02:56 +0200 | [diff] [blame] | 688 | static int palmas_pinctrl_set_mux(struct pinctrl_dev *pctldev, |
| 689 | unsigned function, |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 690 | unsigned group) |
| 691 | { |
| 692 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 693 | const struct palmas_pingroup *g; |
| 694 | int i; |
| 695 | int ret; |
| 696 | |
| 697 | g = &pci->pin_groups[group]; |
| 698 | |
| 699 | /* If direct option is provided here */ |
| 700 | if (function <= PALMAS_PINMUX_OPTION3) { |
| 701 | if (!g->opt[function]) { |
| 702 | dev_err(pci->dev, "Pin %s does not support option %d\n", |
| 703 | g->name, function); |
| 704 | return -EINVAL; |
| 705 | } |
| 706 | i = function; |
| 707 | } else { |
| 708 | for (i = 0; i < ARRAY_SIZE(g->opt); i++) { |
| 709 | if (!g->opt[i]) |
| 710 | continue; |
| 711 | if (g->opt[i]->mux_opt == function) |
| 712 | break; |
| 713 | } |
| 714 | if (WARN_ON(i == ARRAY_SIZE(g->opt))) { |
| 715 | dev_err(pci->dev, "Pin %s does not support option %d\n", |
| 716 | g->name, function); |
| 717 | return -EINVAL; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | if (g->mux_reg_base == PALMAS_NONE_BASE) { |
| 722 | if (WARN_ON(i != 0)) |
| 723 | return -EINVAL; |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | dev_dbg(pci->dev, "%s(): Base0x%02x:0x%02x:0x%02x:0x%02x\n", |
| 728 | __func__, g->mux_reg_base, g->mux_reg_add, |
| 729 | g->mux_reg_mask, i << g->mux_bit_shift); |
| 730 | |
| 731 | ret = palmas_update_bits(pci->palmas, g->mux_reg_base, g->mux_reg_add, |
| 732 | g->mux_reg_mask, i << g->mux_bit_shift); |
| 733 | if (ret < 0) { |
| 734 | dev_err(pci->dev, "Reg 0x%02x update failed: %d\n", |
| 735 | g->mux_reg_add, ret); |
| 736 | return ret; |
| 737 | } |
| 738 | pci->pins_current_opt[group] = i; |
| 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | static const struct pinmux_ops palmas_pinmux_ops = { |
| 743 | .get_functions_count = palmas_pinctrl_get_funcs_count, |
| 744 | .get_function_name = palmas_pinctrl_get_func_name, |
| 745 | .get_function_groups = palmas_pinctrl_get_func_groups, |
Linus Walleij | 03e9f0c | 2014-09-03 13:02:56 +0200 | [diff] [blame] | 746 | .set_mux = palmas_pinctrl_set_mux, |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 747 | }; |
| 748 | |
| 749 | static int palmas_pinconf_get(struct pinctrl_dev *pctldev, |
| 750 | unsigned pin, unsigned long *config) |
| 751 | { |
| 752 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
| 753 | enum pin_config_param param = pinconf_to_config_param(*config); |
| 754 | const struct palmas_pingroup *g; |
| 755 | const struct palmas_pin_info *opt; |
| 756 | unsigned int val; |
| 757 | int ret; |
| 758 | int base, add; |
| 759 | int rval; |
| 760 | int arg; |
| 761 | int group_nr; |
| 762 | |
| 763 | for (group_nr = 0; group_nr < pci->num_pin_groups; ++group_nr) { |
| 764 | if (pci->pin_groups[group_nr].pins[0] == pin) |
| 765 | break; |
| 766 | } |
| 767 | |
| 768 | if (group_nr == pci->num_pin_groups) { |
| 769 | dev_err(pci->dev, |
| 770 | "Pinconf is not supported for pin-id %d\n", pin); |
| 771 | return -ENOTSUPP; |
| 772 | } |
| 773 | |
| 774 | g = &pci->pin_groups[group_nr]; |
| 775 | opt = g->opt[pci->pins_current_opt[group_nr]]; |
| 776 | if (!opt) { |
| 777 | dev_err(pci->dev, |
| 778 | "Pinconf is not supported for pin %s\n", g->name); |
| 779 | return -ENOTSUPP; |
| 780 | } |
| 781 | |
| 782 | switch (param) { |
| 783 | case PIN_CONFIG_BIAS_DISABLE: |
| 784 | case PIN_CONFIG_BIAS_PULL_UP: |
| 785 | case PIN_CONFIG_BIAS_PULL_DOWN: |
| 786 | if (!opt->pud_info) { |
| 787 | dev_err(pci->dev, |
| 788 | "PULL control not supported for pin %s\n", |
| 789 | g->name); |
| 790 | return -ENOTSUPP; |
| 791 | } |
| 792 | base = opt->pud_info->pullup_dn_reg_base; |
| 793 | add = opt->pud_info->pullup_dn_reg_add; |
| 794 | ret = palmas_read(pci->palmas, base, add, &val); |
| 795 | if (ret < 0) { |
| 796 | dev_err(pci->dev, "Reg 0x%02x read failed: %d\n", |
| 797 | add, ret); |
| 798 | return ret; |
| 799 | } |
| 800 | |
| 801 | rval = val & opt->pud_info->pullup_dn_mask; |
| 802 | arg = 0; |
| 803 | if ((opt->pud_info->normal_val >= 0) && |
| 804 | (opt->pud_info->normal_val == rval) && |
| 805 | (param == PIN_CONFIG_BIAS_DISABLE)) |
| 806 | arg = 1; |
| 807 | else if ((opt->pud_info->pull_up_val >= 0) && |
| 808 | (opt->pud_info->pull_up_val == rval) && |
| 809 | (param == PIN_CONFIG_BIAS_PULL_UP)) |
| 810 | arg = 1; |
| 811 | else if ((opt->pud_info->pull_dn_val >= 0) && |
| 812 | (opt->pud_info->pull_dn_val == rval) && |
| 813 | (param == PIN_CONFIG_BIAS_PULL_DOWN)) |
| 814 | arg = 1; |
| 815 | break; |
| 816 | |
| 817 | case PIN_CONFIG_DRIVE_OPEN_DRAIN: |
| 818 | if (!opt->od_info) { |
| 819 | dev_err(pci->dev, |
| 820 | "OD control not supported for pin %s\n", |
| 821 | g->name); |
| 822 | return -ENOTSUPP; |
| 823 | } |
| 824 | base = opt->od_info->od_reg_base; |
| 825 | add = opt->od_info->od_reg_add; |
| 826 | ret = palmas_read(pci->palmas, base, add, &val); |
| 827 | if (ret < 0) { |
| 828 | dev_err(pci->dev, "Reg 0x%02x read failed: %d\n", |
| 829 | add, ret); |
| 830 | return ret; |
| 831 | } |
| 832 | rval = val & opt->od_info->od_mask; |
| 833 | arg = -1; |
| 834 | if ((opt->od_info->od_disable >= 0) && |
| 835 | (opt->od_info->od_disable == rval)) |
| 836 | arg = 0; |
| 837 | else if ((opt->od_info->od_enable >= 0) && |
| 838 | (opt->od_info->od_enable == rval)) |
| 839 | arg = 1; |
| 840 | if (arg < 0) { |
| 841 | dev_err(pci->dev, |
| 842 | "OD control not supported for pin %s\n", |
| 843 | g->name); |
| 844 | return -ENOTSUPP; |
| 845 | } |
| 846 | break; |
| 847 | |
| 848 | default: |
| 849 | dev_err(pci->dev, "Properties not supported\n"); |
| 850 | return -ENOTSUPP; |
| 851 | } |
| 852 | |
| 853 | *config = pinconf_to_config_packed(param, (u16)arg); |
| 854 | return 0; |
| 855 | } |
| 856 | |
| 857 | static int palmas_pinconf_set(struct pinctrl_dev *pctldev, |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 858 | unsigned pin, unsigned long *configs, |
| 859 | unsigned num_configs) |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 860 | { |
| 861 | struct palmas_pctrl_chip_info *pci = pinctrl_dev_get_drvdata(pctldev); |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 862 | enum pin_config_param param; |
Mika Westerberg | 58957d2 | 2017-01-23 15:34:32 +0300 | [diff] [blame] | 863 | u32 param_val; |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 864 | const struct palmas_pingroup *g; |
| 865 | const struct palmas_pin_info *opt; |
| 866 | int ret; |
| 867 | int base, add, mask; |
| 868 | int rval; |
| 869 | int group_nr; |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 870 | int i; |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 871 | |
| 872 | for (group_nr = 0; group_nr < pci->num_pin_groups; ++group_nr) { |
| 873 | if (pci->pin_groups[group_nr].pins[0] == pin) |
| 874 | break; |
| 875 | } |
| 876 | |
| 877 | if (group_nr == pci->num_pin_groups) { |
| 878 | dev_err(pci->dev, |
| 879 | "Pinconf is not supported for pin-id %d\n", pin); |
| 880 | return -ENOTSUPP; |
| 881 | } |
| 882 | |
| 883 | g = &pci->pin_groups[group_nr]; |
| 884 | opt = g->opt[pci->pins_current_opt[group_nr]]; |
| 885 | if (!opt) { |
| 886 | dev_err(pci->dev, |
| 887 | "Pinconf is not supported for pin %s\n", g->name); |
| 888 | return -ENOTSUPP; |
| 889 | } |
| 890 | |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 891 | for (i = 0; i < num_configs; i++) { |
| 892 | param = pinconf_to_config_param(configs[i]); |
| 893 | param_val = pinconf_to_config_argument(configs[i]); |
| 894 | |
| 895 | switch (param) { |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 896 | case PIN_CONFIG_BIAS_DISABLE: |
| 897 | case PIN_CONFIG_BIAS_PULL_UP: |
| 898 | case PIN_CONFIG_BIAS_PULL_DOWN: |
| 899 | if (!opt->pud_info) { |
| 900 | dev_err(pci->dev, |
| 901 | "PULL control not supported for pin %s\n", |
| 902 | g->name); |
| 903 | return -ENOTSUPP; |
| 904 | } |
| 905 | base = opt->pud_info->pullup_dn_reg_base; |
| 906 | add = opt->pud_info->pullup_dn_reg_add; |
| 907 | mask = opt->pud_info->pullup_dn_mask; |
| 908 | |
| 909 | if (param == PIN_CONFIG_BIAS_DISABLE) |
| 910 | rval = opt->pud_info->normal_val; |
| 911 | else if (param == PIN_CONFIG_BIAS_PULL_UP) |
| 912 | rval = opt->pud_info->pull_up_val; |
| 913 | else |
| 914 | rval = opt->pud_info->pull_dn_val; |
| 915 | |
| 916 | if (rval < 0) { |
| 917 | dev_err(pci->dev, |
| 918 | "PULL control not supported for pin %s\n", |
| 919 | g->name); |
| 920 | return -ENOTSUPP; |
| 921 | } |
| 922 | break; |
| 923 | |
| 924 | case PIN_CONFIG_DRIVE_OPEN_DRAIN: |
| 925 | if (!opt->od_info) { |
| 926 | dev_err(pci->dev, |
| 927 | "OD control not supported for pin %s\n", |
| 928 | g->name); |
| 929 | return -ENOTSUPP; |
| 930 | } |
| 931 | base = opt->od_info->od_reg_base; |
| 932 | add = opt->od_info->od_reg_add; |
| 933 | mask = opt->od_info->od_mask; |
| 934 | if (param_val == 0) |
| 935 | rval = opt->od_info->od_disable; |
| 936 | else |
| 937 | rval = opt->od_info->od_enable; |
| 938 | if (rval < 0) { |
| 939 | dev_err(pci->dev, |
| 940 | "OD control not supported for pin %s\n", |
| 941 | g->name); |
| 942 | return -ENOTSUPP; |
| 943 | } |
| 944 | break; |
| 945 | default: |
| 946 | dev_err(pci->dev, "Properties not supported\n"); |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 947 | return -ENOTSUPP; |
| 948 | } |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 949 | |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 950 | dev_dbg(pci->dev, "%s(): Add0x%02x:0x%02x:0x%02x:0x%02x\n", |
| 951 | __func__, base, add, mask, rval); |
| 952 | ret = palmas_update_bits(pci->palmas, base, add, mask, rval); |
| 953 | if (ret < 0) { |
| 954 | dev_err(pci->dev, "Reg 0x%02x update failed: %d\n", |
| 955 | add, ret); |
| 956 | return ret; |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 957 | } |
Sherman Yin | 03b054e | 2013-08-27 11:32:12 -0700 | [diff] [blame] | 958 | } /* for each config */ |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 959 | |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 960 | return 0; |
| 961 | } |
| 962 | |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 963 | static const struct pinconf_ops palmas_pinconf_ops = { |
| 964 | .pin_config_get = palmas_pinconf_get, |
| 965 | .pin_config_set = palmas_pinconf_set, |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 966 | }; |
| 967 | |
| 968 | static struct pinctrl_desc palmas_pinctrl_desc = { |
| 969 | .pctlops = &palmas_pinctrl_ops, |
| 970 | .pmxops = &palmas_pinmux_ops, |
| 971 | .confops = &palmas_pinconf_ops, |
| 972 | .owner = THIS_MODULE, |
| 973 | }; |
| 974 | |
| 975 | struct palmas_pinctrl_data { |
| 976 | const struct palmas_pingroup *pin_groups; |
| 977 | int num_pin_groups; |
| 978 | }; |
| 979 | |
| 980 | static struct palmas_pinctrl_data tps65913_pinctrl_data = { |
| 981 | .pin_groups = tps65913_pingroups, |
| 982 | .num_pin_groups = ARRAY_SIZE(tps65913_pingroups), |
| 983 | }; |
| 984 | |
| 985 | static struct palmas_pinctrl_data tps80036_pinctrl_data = { |
| 986 | .pin_groups = tps80036_pingroups, |
| 987 | .num_pin_groups = ARRAY_SIZE(tps80036_pingroups), |
| 988 | }; |
| 989 | |
Fabian Frederick | baa9946e | 2015-03-16 20:59:09 +0100 | [diff] [blame] | 990 | static const struct of_device_id palmas_pinctrl_of_match[] = { |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 991 | { .compatible = "ti,palmas-pinctrl", .data = &tps65913_pinctrl_data}, |
| 992 | { .compatible = "ti,tps65913-pinctrl", .data = &tps65913_pinctrl_data}, |
| 993 | { .compatible = "ti,tps80036-pinctrl", .data = &tps80036_pinctrl_data}, |
| 994 | { }, |
| 995 | }; |
| 996 | MODULE_DEVICE_TABLE(of, palmas_pinctrl_of_match); |
| 997 | |
| 998 | static int palmas_pinctrl_probe(struct platform_device *pdev) |
| 999 | { |
| 1000 | struct palmas_pctrl_chip_info *pci; |
| 1001 | const struct palmas_pinctrl_data *pinctrl_data = &tps65913_pinctrl_data; |
| 1002 | int ret; |
| 1003 | bool enable_dvfs1 = false; |
| 1004 | bool enable_dvfs2 = false; |
| 1005 | |
| 1006 | if (pdev->dev.of_node) { |
LABBE Corentin | a1edf87 | 2016-08-16 10:36:53 +0200 | [diff] [blame] | 1007 | pinctrl_data = of_device_get_match_data(&pdev->dev); |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1008 | enable_dvfs1 = of_property_read_bool(pdev->dev.of_node, |
| 1009 | "ti,palmas-enable-dvfs1"); |
| 1010 | enable_dvfs2 = of_property_read_bool(pdev->dev.of_node, |
| 1011 | "ti,palmas-enable-dvfs2"); |
| 1012 | } |
| 1013 | |
| 1014 | pci = devm_kzalloc(&pdev->dev, sizeof(*pci), GFP_KERNEL); |
Markus Elfring | 5896c8d | 2017-12-23 21:16:42 +0100 | [diff] [blame] | 1015 | if (!pci) |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1016 | return -ENOMEM; |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1017 | |
| 1018 | pci->dev = &pdev->dev; |
| 1019 | pci->palmas = dev_get_drvdata(pdev->dev.parent); |
| 1020 | |
| 1021 | pci->pins = palmas_pins_desc; |
| 1022 | pci->num_pins = ARRAY_SIZE(palmas_pins_desc); |
| 1023 | pci->functions = palmas_pin_function; |
| 1024 | pci->num_functions = ARRAY_SIZE(palmas_pin_function); |
| 1025 | pci->pin_groups = pinctrl_data->pin_groups; |
| 1026 | pci->num_pin_groups = pinctrl_data->num_pin_groups; |
| 1027 | |
| 1028 | platform_set_drvdata(pdev, pci); |
| 1029 | |
| 1030 | palmas_pinctrl_set_dvfs1(pci, enable_dvfs1); |
| 1031 | palmas_pinctrl_set_dvfs2(pci, enable_dvfs2); |
| 1032 | ret = palmas_pinctrl_get_pin_mux(pci); |
| 1033 | if (ret < 0) { |
| 1034 | dev_err(&pdev->dev, |
| 1035 | "Reading pinctrol option register failed: %d\n", ret); |
| 1036 | return ret; |
| 1037 | } |
| 1038 | |
| 1039 | palmas_pinctrl_desc.name = dev_name(&pdev->dev); |
| 1040 | palmas_pinctrl_desc.pins = palmas_pins_desc; |
| 1041 | palmas_pinctrl_desc.npins = ARRAY_SIZE(palmas_pins_desc); |
Laxman Dewangan | 5039d27 | 2016-02-24 14:44:07 +0530 | [diff] [blame] | 1042 | pci->pctl = devm_pinctrl_register(&pdev->dev, &palmas_pinctrl_desc, |
| 1043 | pci); |
Masahiro Yamada | 323de9e | 2015-06-09 13:01:16 +0900 | [diff] [blame] | 1044 | if (IS_ERR(pci->pctl)) { |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1045 | dev_err(&pdev->dev, "Couldn't register pinctrl driver\n"); |
Masahiro Yamada | 323de9e | 2015-06-09 13:01:16 +0900 | [diff] [blame] | 1046 | return PTR_ERR(pci->pctl); |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1047 | } |
| 1048 | return 0; |
| 1049 | } |
| 1050 | |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1051 | static struct platform_driver palmas_pinctrl_driver = { |
| 1052 | .driver = { |
| 1053 | .name = "palmas-pinctrl", |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1054 | .of_match_table = palmas_pinctrl_of_match, |
| 1055 | }, |
| 1056 | .probe = palmas_pinctrl_probe, |
Laxman Dewangan | 0a8d3e2 | 2013-08-06 18:42:35 +0530 | [diff] [blame] | 1057 | }; |
| 1058 | |
| 1059 | module_platform_driver(palmas_pinctrl_driver); |
| 1060 | |
| 1061 | MODULE_DESCRIPTION("Palmas pin control driver"); |
| 1062 | MODULE_AUTHOR("Laxman Dewangan<ldewangan@nvidia.com>"); |
| 1063 | MODULE_ALIAS("platform:palmas-pinctrl"); |
| 1064 | MODULE_LICENSE("GPL v2"); |