drivers/pinctrl/renesas/pinctrl-rzg2l.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Renesas RZ/G2L Pin Control and GPIO driver core
   4  *
   5  * Copyright (C) 2021 Renesas Electronics Corporation.
   6  */
   7
   8 #include <linux/bitops.h>
   9 #include <linux/clk.h>
  10 #include <linux/gpio/driver.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/io.h>
  13 #include <linux/module.h>
  14 #include <linux/mutex.h>
  15 #include <linux/of.h>
  16 #include <linux/of_irq.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/seq_file.h>
  19 #include <linux/spinlock.h>
  20
  21 #include <linux/pinctrl/consumer.h>
  22 #include <linux/pinctrl/pinconf-generic.h>
  23 #include <linux/pinctrl/pinconf.h>
  24 #include <linux/pinctrl/pinctrl.h>
  25 #include <linux/pinctrl/pinmux.h>
  26
  27 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
  28
  29 #include "../core.h"
  30 #include "../pinconf.h"
  31 #include "../pinmux.h"
  32
  33 #define DRV_NAME        "pinctrl-rzg2l"
  34
  35 /*
  36  * Use 16 lower bits [15:0] for pin identifier
  37  * Use 16 higher bits [31:16] for pin mux function
  38  */
  39 #define MUX_PIN_ID_MASK         GENMASK(15, 0)
  40 #define MUX_FUNC_MASK           GENMASK(31, 16)
  41 #define MUX_FUNC_OFFS           16
  42 #define MUX_FUNC(pinconf)       (((pinconf) & MUX_FUNC_MASK) >> MUX_FUNC_OFFS)
  43
  44 /* PIN capabilities */
  45 #define PIN_CFG_IOLH_A                  BIT(0)
  46 #define PIN_CFG_IOLH_B                  BIT(1)
  47 #define PIN_CFG_SR                      BIT(2)
  48 #define PIN_CFG_IEN                     BIT(3)
  49 #define PIN_CFG_PUPD                    BIT(4)
  50 #define PIN_CFG_IO_VMC_SD0              BIT(5)
  51 #define PIN_CFG_IO_VMC_SD1              BIT(6)
  52 #define PIN_CFG_IO_VMC_QSPI             BIT(7)
  53 #define PIN_CFG_IO_VMC_ETH0             BIT(8)
  54 #define PIN_CFG_IO_VMC_ETH1             BIT(9)
  55 #define PIN_CFG_FILONOFF                BIT(10)
  56 #define PIN_CFG_FILNUM                  BIT(11)
  57 #define PIN_CFG_FILCLKSEL               BIT(12)
  58 #define PIN_CFG_IOLH_C                  BIT(13)
  59 #define PIN_CFG_SOFT_PS                 BIT(14)
  60
  61 #define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \
  62                                         (PIN_CFG_IOLH_##group | \
  63                                          PIN_CFG_PUPD | \
  64                                          PIN_CFG_FILONOFF | \
  65                                          PIN_CFG_FILNUM | \
  66                                          PIN_CFG_FILCLKSEL)
  67
  68 #define RZG2L_MPXED_PIN_FUNCS           (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \
  69                                          PIN_CFG_SR)
  70
  71 #define RZG3S_MPXED_PIN_FUNCS(group)    (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \
  72                                          PIN_CFG_SOFT_PS)
  73
  74 #define RZG2L_MPXED_ETH_PIN_FUNCS(x)    ((x) | \
  75                                          PIN_CFG_FILONOFF | \
  76                                          PIN_CFG_FILNUM | \
  77                                          PIN_CFG_FILCLKSEL)
  78
  79 /*
  80  * n indicates number of pins in the port, a is the register index
  81  * and f is pin configuration capabilities supported.
  82  */
  83 #define RZG2L_GPIO_PORT_PACK(n, a, f)   (((n) << 28) | ((a) << 20) | (f))
  84 #define RZG2L_GPIO_PORT_GET_PINCNT(x)   (((x) & GENMASK(30, 28)) >> 28)
  85
  86 /*
  87  * BIT(31) indicates dedicated pin, p is the register index while
  88  * referencing to SR/IEN/IOLH/FILxx registers, b is the register bits
  89  * (b * 8) and f is the pin configuration capabilities supported.
  90  */
  91 #define RZG2L_SINGLE_PIN                BIT(31)
  92 #define RZG2L_SINGLE_PIN_PACK(p, b, f)  (RZG2L_SINGLE_PIN | \
  93                                          ((p) << 24) | ((b) << 20) | (f))
  94 #define RZG2L_SINGLE_PIN_GET_BIT(x)     (((x) & GENMASK(22, 20)) >> 20)
  95
  96 #define RZG2L_PIN_CFG_TO_CAPS(cfg)              ((cfg) & GENMASK(19, 0))
  97 #define RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg)       ((cfg) & RZG2L_SINGLE_PIN ? \
  98                                                 (((cfg) & GENMASK(30, 24)) >> 24) : \
  99                                                 (((cfg) & GENMASK(26, 20)) >> 20))
 100
 101 #define P(off)                  (0x0000 + (off))
 102 #define PM(off)                 (0x0100 + (off) * 2)
 103 #define PMC(off)                (0x0200 + (off))
 104 #define PFC(off)                (0x0400 + (off) * 4)
 105 #define PIN(off)                (0x0800 + (off))
 106 #define IOLH(off)               (0x1000 + (off) * 8)
 107 #define IEN(off)                (0x1800 + (off) * 8)
 108 #define ISEL(off)               (0x2C00 + (off) * 8)
 109 #define SD_CH(off, ch)          ((off) + (ch) * 4)
 110 #define QSPI                    (0x3008)
 111
 112 #define PVDD_1800               1       /* I/O domain voltage <= 1.8V */
 113 #define PVDD_3300               0       /* I/O domain voltage >= 3.3V */
 114
 115 #define PWPR_B0WI               BIT(7)  /* Bit Write Disable */
 116 #define PWPR_PFCWE              BIT(6)  /* PFC Register Write Enable */
 117
 118 #define PM_MASK                 0x03
 119 #define PVDD_MASK               0x01
 120 #define PFC_MASK                0x07
 121 #define IEN_MASK                0x01
 122 #define IOLH_MASK               0x03
 123
 124 #define PM_INPUT                0x1
 125 #define PM_OUTPUT               0x2
 126
 127 #define RZG2L_PIN_ID_TO_PORT(id)        ((id) / RZG2L_PINS_PER_PORT)
 128 #define RZG2L_PIN_ID_TO_PIN(id)         ((id) % RZG2L_PINS_PER_PORT)
 129
 130 #define RZG2L_TINT_MAX_INTERRUPT        32
 131 #define RZG2L_TINT_IRQ_START_INDEX      9
 132 #define RZG2L_PACK_HWIRQ(t, i)          (((t) << 16) | (i))
 133
 134 /**
 135  * struct rzg2l_register_offsets - specific register offsets
 136  * @pwpr: PWPR register offset
 137  * @sd_ch: SD_CH register offset
 138  */
 139 struct rzg2l_register_offsets {
 140         u16 pwpr;
 141         u16 sd_ch;
 142 };
 143
 144 /**
 145  * enum rzg2l_iolh_index - starting indices in IOLH specific arrays
 146  * @RZG2L_IOLH_IDX_1V8: starting index for 1V8 power source
 147  * @RZG2L_IOLH_IDX_2V5: starting index for 2V5 power source
 148  * @RZG2L_IOLH_IDX_3V3: starting index for 3V3 power source
 149  * @RZG2L_IOLH_IDX_MAX: maximum index
 150  */
 151 enum rzg2l_iolh_index {
 152         RZG2L_IOLH_IDX_1V8 = 0,
 153         RZG2L_IOLH_IDX_2V5 = 4,
 154         RZG2L_IOLH_IDX_3V3 = 8,
 155         RZG2L_IOLH_IDX_MAX = 12,
 156 };
 157
 158 /* Maximum number of driver strength entries per power source. */
 159 #define RZG2L_IOLH_MAX_DS_ENTRIES       (4)
 160
 161 /**
 162  * struct rzg2l_hwcfg - hardware configuration data structure
 163  * @regs: hardware specific register offsets
 164  * @iolh_groupa_ua: IOLH group A uA specific values
 165  * @iolh_groupb_ua: IOLH group B uA specific values
 166  * @iolh_groupc_ua: IOLH group C uA specific values
 167  * @iolh_groupb_oi: IOLH group B output impedance specific values
 168  * @drive_strength_ua: drive strength in uA is supported (otherwise mA is supported)
 169  * @func_base: base number for port function (see register PFC)
 170  */
 171 struct rzg2l_hwcfg {
 172         const struct rzg2l_register_offsets regs;
 173         u16 iolh_groupa_ua[RZG2L_IOLH_IDX_MAX];
 174         u16 iolh_groupb_ua[RZG2L_IOLH_IDX_MAX];
 175         u16 iolh_groupc_ua[RZG2L_IOLH_IDX_MAX];
 176         u16 iolh_groupb_oi[4];
 177         bool drive_strength_ua;
 178         u8 func_base;
 179 };
 180
 181 struct rzg2l_dedicated_configs {
 182         const char *name;
 183         u32 config;
 184 };
 185
 186 struct rzg2l_pinctrl_data {
 187         const char * const *port_pins;
 188         const u32 *port_pin_configs;
 189         unsigned int n_ports;
 190         const struct rzg2l_dedicated_configs *dedicated_pins;
 191         unsigned int n_port_pins;
 192         unsigned int n_dedicated_pins;
 193         const struct rzg2l_hwcfg *hwcfg;
 194 };
 195
 196 /**
 197  * struct rzg2l_pinctrl_pin_settings - pin data
 198  * @power_source: power source
 199  * @drive_strength_ua: drive strength (in micro amps)
 200  */
 201 struct rzg2l_pinctrl_pin_settings {
 202         u16 power_source;
 203         u16 drive_strength_ua;
 204 };
 205
 206 struct rzg2l_pinctrl {
 207         struct pinctrl_dev              *pctl;
 208         struct pinctrl_desc             desc;
 209         struct pinctrl_pin_desc         *pins;
 210
 211         const struct rzg2l_pinctrl_data *data;
 212         void __iomem                    *base;
 213         struct device                   *dev;
 214
 215         struct gpio_chip                gpio_chip;
 216         struct pinctrl_gpio_range       gpio_range;
 217         DECLARE_BITMAP(tint_slot, RZG2L_TINT_MAX_INTERRUPT);
 218         spinlock_t                      bitmap_lock; /* protect tint_slot bitmap */
 219         unsigned int                    hwirq[RZG2L_TINT_MAX_INTERRUPT];
 220
 221         spinlock_t                      lock; /* lock read/write registers */
 222         struct mutex                    mutex; /* serialize adding groups and functions */
 223
 224         struct rzg2l_pinctrl_pin_settings *settings;
 225 };
 226
 227 static const u16 available_ps[] = { 1800, 2500, 3300 };
 228
 229 static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl,
 230                                        u8 pin, u8 off, u8 func)
 231 {
 232         const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs;
 233         unsigned long flags;
 234         u32 reg;
 235
 236         spin_lock_irqsave(&pctrl->lock, flags);
 237
 238         /* Set pin to 'Non-use (Hi-Z input protection)'  */
 239         reg = readw(pctrl->base + PM(off));
 240         reg &= ~(PM_MASK << (pin * 2));
 241         writew(reg, pctrl->base + PM(off));
 242
 243         /* Temporarily switch to GPIO mode with PMC register */
 244         reg = readb(pctrl->base + PMC(off));
 245         writeb(reg & ~BIT(pin), pctrl->base + PMC(off));
 246
 247         /* Set the PWPR register to allow PFC register to write */
 248         writel(0x0, pctrl->base + regs->pwpr);          /* B0WI=0, PFCWE=0 */
 249         writel(PWPR_PFCWE, pctrl->base + regs->pwpr);   /* B0WI=0, PFCWE=1 */
 250
 251         /* Select Pin function mode with PFC register */
 252         reg = readl(pctrl->base + PFC(off));
 253         reg &= ~(PFC_MASK << (pin * 4));
 254         writel(reg | (func << (pin * 4)), pctrl->base + PFC(off));
 255
 256         /* Set the PWPR register to be write-protected */
 257         writel(0x0, pctrl->base + regs->pwpr);          /* B0WI=0, PFCWE=0 */
 258         writel(PWPR_B0WI, pctrl->base + regs->pwpr);    /* B0WI=1, PFCWE=0 */
 259
 260         /* Switch to Peripheral pin function with PMC register */
 261         reg = readb(pctrl->base + PMC(off));
 262         writeb(reg | BIT(pin), pctrl->base + PMC(off));
 263
 264         spin_unlock_irqrestore(&pctrl->lock, flags);
 265 };
 266
 267 static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev,
 268                                  unsigned int func_selector,
 269                                  unsigned int group_selector)
 270 {
 271         struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 272         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 273         struct function_desc *func;
 274         unsigned int i, *psel_val;
 275         struct group_desc *group;
 276         int *pins;
 277
 278         func = pinmux_generic_get_function(pctldev, func_selector);
 279         if (!func)
 280                 return -EINVAL;
 281         group = pinctrl_generic_get_group(pctldev, group_selector);
 282         if (!group)
 283                 return -EINVAL;
 284
 285         psel_val = func->data;
 286         pins = group->pins;
 287
 288         for (i = 0; i < group->num_pins; i++) {
 289                 unsigned int *pin_data = pctrl->desc.pins[pins[i]].drv_data;
 290                 u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
 291                 u32 pin = RZG2L_PIN_ID_TO_PIN(pins[i]);
 292
 293                 dev_dbg(pctrl->dev, "port:%u pin: %u off:%x PSEL:%u\n",
 294                         RZG2L_PIN_ID_TO_PORT(pins[i]), pin, off, psel_val[i] - hwcfg->func_base);
 295
 296                 rzg2l_pinctrl_set_pfc_mode(pctrl, pin, off, psel_val[i] - hwcfg->func_base);
 297         }
 298
 299         return 0;
 300 };
 301
 302 static int rzg2l_map_add_config(struct pinctrl_map *map,
 303                                 const char *group_or_pin,
 304                                 enum pinctrl_map_type type,
 305                                 unsigned long *configs,
 306                                 unsigned int num_configs)
 307 {
 308         unsigned long *cfgs;
 309
 310         cfgs = kmemdup(configs, num_configs * sizeof(*cfgs),
 311                        GFP_KERNEL);
 312         if (!cfgs)
 313                 return -ENOMEM;
 314
 315         map->type = type;
 316         map->data.configs.group_or_pin = group_or_pin;
 317         map->data.configs.configs = cfgs;
 318         map->data.configs.num_configs = num_configs;
 319
 320         return 0;
 321 }
 322
 323 static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
 324                                    struct device_node *np,
 325                                    struct device_node *parent,
 326                                    struct pinctrl_map **map,
 327                                    unsigned int *num_maps,
 328                                    unsigned int *index)
 329 {
 330         struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 331         struct pinctrl_map *maps = *map;
 332         unsigned int nmaps = *num_maps;
 333         unsigned long *configs = NULL;
 334         unsigned int *pins, *psel_val;
 335         unsigned int num_pinmux = 0;
 336         unsigned int idx = *index;
 337         unsigned int num_pins, i;
 338         unsigned int num_configs;
 339         struct property *pinmux;
 340         struct property *prop;
 341         int ret, gsel, fsel;
 342         const char **pin_fn;
 343         const char *name;
 344         const char *pin;
 345
 346         pinmux = of_find_property(np, "pinmux", NULL);
 347         if (pinmux)
 348                 num_pinmux = pinmux->length / sizeof(u32);
 349
 350         ret = of_property_count_strings(np, "pins");
 351         if (ret == -EINVAL) {
 352                 num_pins = 0;
 353         } else if (ret < 0) {
 354                 dev_err(pctrl->dev, "Invalid pins list in DT\n");
 355                 return ret;
 356         } else {
 357                 num_pins = ret;
 358         }
 359
 360         if (!num_pinmux && !num_pins)
 361                 return 0;
 362
 363         if (num_pinmux && num_pins) {
 364                 dev_err(pctrl->dev,
 365                         "DT node must contain either a pinmux or pins and not both\n");
 366                 return -EINVAL;
 367         }
 368
 369         ret = pinconf_generic_parse_dt_config(np, NULL, &configs, &num_configs);
 370         if (ret < 0)
 371                 return ret;
 372
 373         if (num_pins && !num_configs) {
 374                 dev_err(pctrl->dev, "DT node must contain a config\n");
 375                 ret = -ENODEV;
 376                 goto done;
 377         }
 378
 379         if (num_pinmux)
 380                 nmaps += 1;
 381
 382         if (num_pins)
 383                 nmaps += num_pins;
 384
 385         maps = krealloc_array(maps, nmaps, sizeof(*maps), GFP_KERNEL);
 386         if (!maps) {
 387                 ret = -ENOMEM;
 388                 goto done;
 389         }
 390
 391         *map = maps;
 392         *num_maps = nmaps;
 393         if (num_pins) {
 394                 of_property_for_each_string(np, "pins", prop, pin) {
 395                         ret = rzg2l_map_add_config(&maps[idx], pin,
 396                                                    PIN_MAP_TYPE_CONFIGS_PIN,
 397                                                    configs, num_configs);
 398                         if (ret < 0)
 399                                 goto done;
 400
 401                         idx++;
 402                 }
 403                 ret = 0;
 404                 goto done;
 405         }
 406
 407         pins = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*pins), GFP_KERNEL);
 408         psel_val = devm_kcalloc(pctrl->dev, num_pinmux, sizeof(*psel_val),
 409                                 GFP_KERNEL);
 410         pin_fn = devm_kzalloc(pctrl->dev, sizeof(*pin_fn), GFP_KERNEL);
 411         if (!pins || !psel_val || !pin_fn) {
 412                 ret = -ENOMEM;
 413                 goto done;
 414         }
 415
 416         /* Collect pin locations and mux settings from DT properties */
 417         for (i = 0; i < num_pinmux; ++i) {
 418                 u32 value;
 419
 420                 ret = of_property_read_u32_index(np, "pinmux", i, &value);
 421                 if (ret)
 422                         goto done;
 423                 pins[i] = value & MUX_PIN_ID_MASK;
 424                 psel_val[i] = MUX_FUNC(value);
 425         }
 426
 427         if (parent) {
 428                 name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
 429                                       parent, np);
 430                 if (!name) {
 431                         ret = -ENOMEM;
 432                         goto done;
 433                 }
 434         } else {
 435                 name = np->name;
 436         }
 437
 438         mutex_lock(&pctrl->mutex);
 439
 440         /* Register a single pin group listing all the pins we read from DT */
 441         gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
 442         if (gsel < 0) {
 443                 ret = gsel;
 444                 goto unlock;
 445         }
 446
 447         /*
 448          * Register a single group function where the 'data' is an array PSEL
 449          * register values read from DT.
 450          */
 451         pin_fn[0] = name;
 452         fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
 453         if (fsel < 0) {
 454                 ret = fsel;
 455                 goto remove_group;
 456         }
 457
 458         mutex_unlock(&pctrl->mutex);
 459
 460         maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
 461         maps[idx].data.mux.group = name;
 462         maps[idx].data.mux.function = name;
 463         idx++;
 464
 465         dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
 466         ret = 0;
 467         goto done;
 468
 469 remove_group:
 470         pinctrl_generic_remove_group(pctldev, gsel);
 471 unlock:
 472         mutex_unlock(&pctrl->mutex);
 473 done:
 474         *index = idx;
 475         kfree(configs);
 476         return ret;
 477 }
 478
 479 static void rzg2l_dt_free_map(struct pinctrl_dev *pctldev,
 480                               struct pinctrl_map *map,
 481                               unsigned int num_maps)
 482 {
 483         unsigned int i;
 484
 485         if (!map)
 486                 return;
 487
 488         for (i = 0; i < num_maps; ++i) {
 489                 if (map[i].type == PIN_MAP_TYPE_CONFIGS_GROUP ||
 490                     map[i].type == PIN_MAP_TYPE_CONFIGS_PIN)
 491                         kfree(map[i].data.configs.configs);
 492         }
 493         kfree(map);
 494 }
 495
 496 static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
 497                                 struct device_node *np,
 498                                 struct pinctrl_map **map,
 499                                 unsigned int *num_maps)
 500 {
 501         struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 502         struct device_node *child;
 503         unsigned int index;
 504         int ret;
 505
 506         *map = NULL;
 507         *num_maps = 0;
 508         index = 0;
 509
 510         for_each_child_of_node(np, child) {
 511                 ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map,
 512                                               num_maps, &index);
 513                 if (ret < 0) {
 514                         of_node_put(child);
 515                         goto done;
 516                 }
 517         }
 518
 519         if (*num_maps == 0) {
 520                 ret = rzg2l_dt_subnode_to_map(pctldev, np, NULL, map,
 521                                               num_maps, &index);
 522                 if (ret < 0)
 523                         goto done;
 524         }
 525
 526         if (*num_maps)
 527                 return 0;
 528
 529         dev_err(pctrl->dev, "no mapping found in node %pOF\n", np);
 530         ret = -EINVAL;
 531
 532 done:
 533         rzg2l_dt_free_map(pctldev, *map, *num_maps);
 534
 535         return ret;
 536 }
 537
 538 static int rzg2l_validate_gpio_pin(struct rzg2l_pinctrl *pctrl,
 539                                    u32 cfg, u32 port, u8 bit)
 540 {
 541         u8 pincount = RZG2L_GPIO_PORT_GET_PINCNT(cfg);
 542         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg);
 543         u32 data;
 544
 545         if (bit >= pincount || port >= pctrl->data->n_port_pins)
 546                 return -EINVAL;
 547
 548         data = pctrl->data->port_pin_configs[port];
 549         if (off != RZG2L_PIN_CFG_TO_PORT_OFFSET(data))
 550                 return -EINVAL;
 551
 552         return 0;
 553 }
 554
 555 static u32 rzg2l_read_pin_config(struct rzg2l_pinctrl *pctrl, u32 offset,
 556                                  u8 bit, u32 mask)
 557 {
 558         void __iomem *addr = pctrl->base + offset;
 559
 560         /* handle _L/_H for 32-bit register read/write */
 561         if (bit >= 4) {
 562                 bit -= 4;
 563                 addr += 4;
 564         }
 565
 566         return (readl(addr) >> (bit * 8)) & mask;
 567 }
 568
 569 static void rzg2l_rmw_pin_config(struct rzg2l_pinctrl *pctrl, u32 offset,
 570                                  u8 bit, u32 mask, u32 val)
 571 {
 572         void __iomem *addr = pctrl->base + offset;
 573         unsigned long flags;
 574         u32 reg;
 575
 576         /* handle _L/_H for 32-bit register read/write */
 577         if (bit >= 4) {
 578                 bit -= 4;
 579                 addr += 4;
 580         }
 581
 582         spin_lock_irqsave(&pctrl->lock, flags);
 583         reg = readl(addr) & ~(mask << (bit * 8));
 584         writel(reg | (val << (bit * 8)), addr);
 585         spin_unlock_irqrestore(&pctrl->lock, flags);
 586 }
 587
 588 static int rzg2l_caps_to_pwr_reg(const struct rzg2l_register_offsets *regs, u32 caps)
 589 {
 590         if (caps & PIN_CFG_IO_VMC_SD0)
 591                 return SD_CH(regs->sd_ch, 0);
 592         if (caps & PIN_CFG_IO_VMC_SD1)
 593                 return SD_CH(regs->sd_ch, 1);
 594         if (caps & PIN_CFG_IO_VMC_QSPI)
 595                 return QSPI;
 596
 597         return -EINVAL;
 598 }
 599
 600 static int rzg2l_get_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps)
 601 {
 602         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 603         const struct rzg2l_register_offsets *regs = &hwcfg->regs;
 604         int pwr_reg;
 605
 606         if (caps & PIN_CFG_SOFT_PS)
 607                 return pctrl->settings[pin].power_source;
 608
 609         pwr_reg = rzg2l_caps_to_pwr_reg(regs, caps);
 610         if (pwr_reg < 0)
 611                 return pwr_reg;
 612
 613         return (readl(pctrl->base + pwr_reg) & PVDD_MASK) ? 1800 : 3300;
 614 }
 615
 616 static int rzg2l_set_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps, u32 ps)
 617 {
 618         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 619         const struct rzg2l_register_offsets *regs = &hwcfg->regs;
 620         int pwr_reg;
 621
 622         if (caps & PIN_CFG_SOFT_PS) {
 623                 pctrl->settings[pin].power_source = ps;
 624                 return 0;
 625         }
 626
 627         pwr_reg = rzg2l_caps_to_pwr_reg(regs, caps);
 628         if (pwr_reg < 0)
 629                 return pwr_reg;
 630
 631         writel((ps == 1800) ? PVDD_1800 : PVDD_3300, pctrl->base + pwr_reg);
 632         pctrl->settings[pin].power_source = ps;
 633
 634         return 0;
 635 }
 636
 637 static bool rzg2l_ps_is_supported(u16 ps)
 638 {
 639         unsigned int i;
 640
 641         for (i = 0; i < ARRAY_SIZE(available_ps); i++) {
 642                 if (available_ps[i] == ps)
 643                         return true;
 644         }
 645
 646         return false;
 647 }
 648
 649 static enum rzg2l_iolh_index rzg2l_ps_to_iolh_idx(u16 ps)
 650 {
 651         unsigned int i;
 652
 653         for (i = 0; i < ARRAY_SIZE(available_ps); i++) {
 654                 if (available_ps[i] == ps)
 655                         break;
 656         }
 657
 658         /*
 659          * We multiply with RZG2L_IOLH_MAX_DS_ENTRIES as we have
 660          * RZG2L_IOLH_MAX_DS_ENTRIES DS values per power source
 661          */
 662         return i * RZG2L_IOLH_MAX_DS_ENTRIES;
 663 }
 664
 665 static u16 rzg2l_iolh_val_to_ua(const struct rzg2l_hwcfg *hwcfg, u32 caps, u8 val)
 666 {
 667         if (caps & PIN_CFG_IOLH_A)
 668                 return hwcfg->iolh_groupa_ua[val];
 669
 670         if (caps & PIN_CFG_IOLH_B)
 671                 return hwcfg->iolh_groupb_ua[val];
 672
 673         if (caps & PIN_CFG_IOLH_C)
 674                 return hwcfg->iolh_groupc_ua[val];
 675
 676         /* Should not happen. */
 677         return 0;
 678 }
 679
 680 static int rzg2l_iolh_ua_to_val(const struct rzg2l_hwcfg *hwcfg, u32 caps,
 681                                 enum rzg2l_iolh_index ps_index, u16 ua)
 682 {
 683         const u16 *array = NULL;
 684         unsigned int i;
 685
 686         if (caps & PIN_CFG_IOLH_A)
 687                 array = &hwcfg->iolh_groupa_ua[ps_index];
 688
 689         if (caps & PIN_CFG_IOLH_B)
 690                 array = &hwcfg->iolh_groupb_ua[ps_index];
 691
 692         if (caps & PIN_CFG_IOLH_C)
 693                 array = &hwcfg->iolh_groupc_ua[ps_index];
 694
 695         if (!array)
 696                 return -EINVAL;
 697
 698         for (i = 0; i < RZG2L_IOLH_MAX_DS_ENTRIES; i++) {
 699                 if (array[i] == ua)
 700                         return i;
 701         }
 702
 703         return -EINVAL;
 704 }
 705
 706 static bool rzg2l_ds_is_supported(struct rzg2l_pinctrl *pctrl, u32 caps,
 707                                   enum rzg2l_iolh_index iolh_idx,
 708                                   u16 ds)
 709 {
 710         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 711         const u16 *array = NULL;
 712         unsigned int i;
 713
 714         if (caps & PIN_CFG_IOLH_A)
 715                 array = hwcfg->iolh_groupa_ua;
 716
 717         if (caps & PIN_CFG_IOLH_B)
 718                 array = hwcfg->iolh_groupb_ua;
 719
 720         if (caps & PIN_CFG_IOLH_C)
 721                 array = hwcfg->iolh_groupc_ua;
 722
 723         /* Should not happen. */
 724         if (!array)
 725                 return false;
 726
 727         if (!array[iolh_idx])
 728                 return false;
 729
 730         for (i = 0; i < RZG2L_IOLH_MAX_DS_ENTRIES; i++) {
 731                 if (array[iolh_idx + i] == ds)
 732                         return true;
 733         }
 734
 735         return false;
 736 }
 737
 738 static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev,
 739                                      unsigned int _pin,
 740                                      unsigned long *config)
 741 {
 742         struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 743         enum pin_config_param param = pinconf_to_config_param(*config);
 744         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 745         const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin];
 746         unsigned int *pin_data = pin->drv_data;
 747         unsigned int arg = 0;
 748         u32 off, cfg;
 749         int ret;
 750         u8 bit;
 751
 752         if (!pin_data)
 753                 return -EINVAL;
 754
 755         off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
 756         cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data);
 757         if (*pin_data & RZG2L_SINGLE_PIN) {
 758                 bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data);
 759         } else {
 760                 bit = RZG2L_PIN_ID_TO_PIN(_pin);
 761
 762                 if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit))
 763                         return -EINVAL;
 764         }
 765
 766         switch (param) {
 767         case PIN_CONFIG_INPUT_ENABLE:
 768                 if (!(cfg & PIN_CFG_IEN))
 769                         return -EINVAL;
 770                 arg = rzg2l_read_pin_config(pctrl, IEN(off), bit, IEN_MASK);
 771                 if (!arg)
 772                         return -EINVAL;
 773                 break;
 774
 775         case PIN_CONFIG_POWER_SOURCE:
 776                 ret = rzg2l_get_power_source(pctrl, _pin, cfg);
 777                 if (ret < 0)
 778                         return ret;
 779                 arg = ret;
 780                 break;
 781
 782         case PIN_CONFIG_DRIVE_STRENGTH: {
 783                 unsigned int index;
 784
 785                 if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua)
 786                         return -EINVAL;
 787
 788                 index = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK);
 789                 /*
 790                  * Drive strenght mA is supported only by group A and only
 791                  * for 3V3 port source.
 792                  */
 793                 arg = hwcfg->iolh_groupa_ua[index + RZG2L_IOLH_IDX_3V3] / 1000;
 794                 break;
 795         }
 796
 797         case PIN_CONFIG_DRIVE_STRENGTH_UA: {
 798                 enum rzg2l_iolh_index iolh_idx;
 799                 u8 val;
 800
 801                 if (!(cfg & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)) ||
 802                     !hwcfg->drive_strength_ua)
 803                         return -EINVAL;
 804
 805                 ret = rzg2l_get_power_source(pctrl, _pin, cfg);
 806                 if (ret < 0)
 807                         return ret;
 808                 iolh_idx = rzg2l_ps_to_iolh_idx(ret);
 809                 val = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK);
 810                 arg = rzg2l_iolh_val_to_ua(hwcfg, cfg, iolh_idx + val);
 811                 break;
 812         }
 813
 814         case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: {
 815                 unsigned int index;
 816
 817                 if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0])
 818                         return -EINVAL;
 819
 820                 index = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK);
 821                 arg = hwcfg->iolh_groupb_oi[index];
 822                 break;
 823         }
 824
 825         default:
 826                 return -ENOTSUPP;
 827         }
 828
 829         *config = pinconf_to_config_packed(param, arg);
 830
 831         return 0;
 832 };
 833
 834 static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev,
 835                                      unsigned int _pin,
 836                                      unsigned long *_configs,
 837                                      unsigned int num_configs)
 838 {
 839         struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
 840         const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin];
 841         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
 842         struct rzg2l_pinctrl_pin_settings settings = pctrl->settings[_pin];
 843         unsigned int *pin_data = pin->drv_data;
 844         enum pin_config_param param;
 845         unsigned int i;
 846         u32 cfg, off;
 847         int ret;
 848         u8 bit;
 849
 850         if (!pin_data)
 851                 return -EINVAL;
 852
 853         off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
 854         cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data);
 855         if (*pin_data & RZG2L_SINGLE_PIN) {
 856                 bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data);
 857         } else {
 858                 bit = RZG2L_PIN_ID_TO_PIN(_pin);
 859
 860                 if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit))
 861                         return -EINVAL;
 862         }
 863
 864         for (i = 0; i < num_configs; i++) {
 865                 param = pinconf_to_config_param(_configs[i]);
 866                 switch (param) {
 867                 case PIN_CONFIG_INPUT_ENABLE: {
 868                         unsigned int arg =
 869                                         pinconf_to_config_argument(_configs[i]);
 870
 871                         if (!(cfg & PIN_CFG_IEN))
 872                                 return -EINVAL;
 873
 874                         rzg2l_rmw_pin_config(pctrl, IEN(off), bit, IEN_MASK, !!arg);
 875                         break;
 876                 }
 877
 878                 case PIN_CONFIG_POWER_SOURCE:
 879                         settings.power_source = pinconf_to_config_argument(_configs[i]);
 880                         break;
 881
 882                 case PIN_CONFIG_DRIVE_STRENGTH: {
 883                         unsigned int arg = pinconf_to_config_argument(_configs[i]);
 884                         unsigned int index;
 885
 886                         if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua)
 887                                 return -EINVAL;
 888
 889                         for (index = RZG2L_IOLH_IDX_3V3;
 890                              index < RZG2L_IOLH_IDX_3V3 + RZG2L_IOLH_MAX_DS_ENTRIES; index++) {
 891                                 if (arg == (hwcfg->iolh_groupa_ua[index] / 1000))
 892                                         break;
 893                         }
 894                         if (index == (RZG2L_IOLH_IDX_3V3 + RZG2L_IOLH_MAX_DS_ENTRIES))
 895                                 return -EINVAL;
 896
 897                         rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index);
 898                         break;
 899                 }
 900
 901                 case PIN_CONFIG_DRIVE_STRENGTH_UA:
 902                         if (!(cfg & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)) ||
 903                             !hwcfg->drive_strength_ua)
 904                                 return -EINVAL;
 905
 906                         settings.drive_strength_ua = pinconf_to_config_argument(_configs[i]);
 907                         break;
 908
 909                 case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: {
 910                         unsigned int arg = pinconf_to_config_argument(_configs[i]);
 911                         unsigned int index;
 912
 913                         if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0])
 914                                 return -EINVAL;
 915
 916                         for (index = 0; index < ARRAY_SIZE(hwcfg->iolh_groupb_oi); index++) {
 917                                 if (arg == hwcfg->iolh_groupb_oi[index])
 918                                         break;
 919                         }
 920                         if (index == ARRAY_SIZE(hwcfg->iolh_groupb_oi))
 921                                 return -EINVAL;
 922
 923                         rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index);
 924                         break;
 925                 }
 926
 927                 default:
 928                         return -EOPNOTSUPP;
 929                 }
 930         }
 931
 932         /* Apply power source. */
 933         if (settings.power_source != pctrl->settings[_pin].power_source) {
 934                 ret = rzg2l_ps_is_supported(settings.power_source);
 935                 if (!ret)
 936                         return -EINVAL;
 937
 938                 /* Apply power source. */
 939                 ret = rzg2l_set_power_source(pctrl, _pin, cfg, settings.power_source);
 940                 if (ret)
 941                         return ret;
 942         }
 943
 944         /* Apply drive strength. */
 945         if (settings.drive_strength_ua != pctrl->settings[_pin].drive_strength_ua) {
 946                 enum rzg2l_iolh_index iolh_idx;
 947                 int val;
 948
 949                 iolh_idx = rzg2l_ps_to_iolh_idx(settings.power_source);
 950                 ret = rzg2l_ds_is_supported(pctrl, cfg, iolh_idx,
 951                                             settings.drive_strength_ua);
 952                 if (!ret)
 953                         return -EINVAL;
 954
 955                 /* Get register value for this PS/DS tuple. */
 956                 val = rzg2l_iolh_ua_to_val(hwcfg, cfg, iolh_idx, settings.drive_strength_ua);
 957                 if (val < 0)
 958                         return val;
 959
 960                 /* Apply drive strength. */
 961                 rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, val);
 962                 pctrl->settings[_pin].drive_strength_ua = settings.drive_strength_ua;
 963         }
 964
 965         return 0;
 966 }
 967
 968 static int rzg2l_pinctrl_pinconf_group_set(struct pinctrl_dev *pctldev,
 969                                            unsigned int group,
 970                                            unsigned long *configs,
 971                                            unsigned int num_configs)
 972 {
 973         const unsigned int *pins;
 974         unsigned int i, npins;
 975         int ret;
 976
 977         ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins);
 978         if (ret)
 979                 return ret;
 980
 981         for (i = 0; i < npins; i++) {
 982                 ret = rzg2l_pinctrl_pinconf_set(pctldev, pins[i], configs,
 983                                                 num_configs);
 984                 if (ret)
 985                         return ret;
 986         }
 987
 988         return 0;
 989 };
 990
 991 static int rzg2l_pinctrl_pinconf_group_get(struct pinctrl_dev *pctldev,
 992                                            unsigned int group,
 993                                            unsigned long *config)
 994 {
 995         const unsigned int *pins;
 996         unsigned int i, npins, prev_config = 0;
 997         int ret;
 998
 999         ret = pinctrl_generic_get_group_pins(pctldev, group, &pins, &npins);
1000         if (ret)
1001                 return ret;
1002
1003         for (i = 0; i < npins; i++) {
1004                 ret = rzg2l_pinctrl_pinconf_get(pctldev, pins[i], config);
1005                 if (ret)
1006                         return ret;
1007
1008                 /* Check config matching between to pin  */
1009                 if (i && prev_config != *config)
1010                         return -EOPNOTSUPP;
1011
1012                 prev_config = *config;
1013         }
1014
1015         return 0;
1016 };
1017
1018 static const struct pinctrl_ops rzg2l_pinctrl_pctlops = {
1019         .get_groups_count = pinctrl_generic_get_group_count,
1020         .get_group_name = pinctrl_generic_get_group_name,
1021         .get_group_pins = pinctrl_generic_get_group_pins,
1022         .dt_node_to_map = rzg2l_dt_node_to_map,
1023         .dt_free_map = rzg2l_dt_free_map,
1024 };
1025
1026 static const struct pinmux_ops rzg2l_pinctrl_pmxops = {
1027         .get_functions_count = pinmux_generic_get_function_count,
1028         .get_function_name = pinmux_generic_get_function_name,
1029         .get_function_groups = pinmux_generic_get_function_groups,
1030         .set_mux = rzg2l_pinctrl_set_mux,
1031         .strict = true,
1032 };
1033
1034 static const struct pinconf_ops rzg2l_pinctrl_confops = {
1035         .is_generic = true,
1036         .pin_config_get = rzg2l_pinctrl_pinconf_get,
1037         .pin_config_set = rzg2l_pinctrl_pinconf_set,
1038         .pin_config_group_set = rzg2l_pinctrl_pinconf_group_set,
1039         .pin_config_group_get = rzg2l_pinctrl_pinconf_group_get,
1040         .pin_config_config_dbg_show = pinconf_generic_dump_config,
1041 };
1042
1043 static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset)
1044 {
1045         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1046         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset];
1047         u32 *pin_data = pin_desc->drv_data;
1048         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1049         u32 port = RZG2L_PIN_ID_TO_PORT(offset);
1050         u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
1051         unsigned long flags;
1052         u8 reg8;
1053         int ret;
1054
1055         ret = rzg2l_validate_gpio_pin(pctrl, *pin_data, port, bit);
1056         if (ret)
1057                 return ret;
1058
1059         ret = pinctrl_gpio_request(chip, offset);
1060         if (ret)
1061                 return ret;
1062
1063         spin_lock_irqsave(&pctrl->lock, flags);
1064
1065         /* Select GPIO mode in PMC Register */
1066         reg8 = readb(pctrl->base + PMC(off));
1067         reg8 &= ~BIT(bit);
1068         writeb(reg8, pctrl->base + PMC(off));
1069
1070         spin_unlock_irqrestore(&pctrl->lock, flags);
1071
1072         return 0;
1073 }
1074
1075 static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 offset,
1076                                      bool output)
1077 {
1078         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset];
1079         unsigned int *pin_data = pin_desc->drv_data;
1080         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1081         u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
1082         unsigned long flags;
1083         u16 reg16;
1084
1085         spin_lock_irqsave(&pctrl->lock, flags);
1086
1087         reg16 = readw(pctrl->base + PM(off));
1088         reg16 &= ~(PM_MASK << (bit * 2));
1089
1090         reg16 |= (output ? PM_OUTPUT : PM_INPUT) << (bit * 2);
1091         writew(reg16, pctrl->base + PM(off));
1092
1093         spin_unlock_irqrestore(&pctrl->lock, flags);
1094 }
1095
1096 static int rzg2l_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
1097 {
1098         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1099         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset];
1100         unsigned int *pin_data = pin_desc->drv_data;
1101         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1102         u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
1103
1104         if (!(readb(pctrl->base + PMC(off)) & BIT(bit))) {
1105                 u16 reg16;
1106
1107                 reg16 = readw(pctrl->base + PM(off));
1108                 reg16 = (reg16 >> (bit * 2)) & PM_MASK;
1109                 if (reg16 == PM_OUTPUT)
1110                         return GPIO_LINE_DIRECTION_OUT;
1111         }
1112
1113         return GPIO_LINE_DIRECTION_IN;
1114 }
1115
1116 static int rzg2l_gpio_direction_input(struct gpio_chip *chip,
1117                                       unsigned int offset)
1118 {
1119         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1120
1121         rzg2l_gpio_set_direction(pctrl, offset, false);
1122
1123         return 0;
1124 }
1125
1126 static void rzg2l_gpio_set(struct gpio_chip *chip, unsigned int offset,
1127                            int value)
1128 {
1129         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1130         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset];
1131         unsigned int *pin_data = pin_desc->drv_data;
1132         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1133         u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
1134         unsigned long flags;
1135         u8 reg8;
1136
1137         spin_lock_irqsave(&pctrl->lock, flags);
1138
1139         reg8 = readb(pctrl->base + P(off));
1140
1141         if (value)
1142                 writeb(reg8 | BIT(bit), pctrl->base + P(off));
1143         else
1144                 writeb(reg8 & ~BIT(bit), pctrl->base + P(off));
1145
1146         spin_unlock_irqrestore(&pctrl->lock, flags);
1147 }
1148
1149 static int rzg2l_gpio_direction_output(struct gpio_chip *chip,
1150                                        unsigned int offset, int value)
1151 {
1152         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1153
1154         rzg2l_gpio_set(chip, offset, value);
1155         rzg2l_gpio_set_direction(pctrl, offset, true);
1156
1157         return 0;
1158 }
1159
1160 static int rzg2l_gpio_get(struct gpio_chip *chip, unsigned int offset)
1161 {
1162         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip);
1163         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset];
1164         unsigned int *pin_data = pin_desc->drv_data;
1165         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1166         u8 bit = RZG2L_PIN_ID_TO_PIN(offset);
1167         u16 reg16;
1168
1169         reg16 = readw(pctrl->base + PM(off));
1170         reg16 = (reg16 >> (bit * 2)) & PM_MASK;
1171
1172         if (reg16 == PM_INPUT)
1173                 return !!(readb(pctrl->base + PIN(off)) & BIT(bit));
1174         else if (reg16 == PM_OUTPUT)
1175                 return !!(readb(pctrl->base + P(off)) & BIT(bit));
1176         else
1177                 return -EINVAL;
1178 }
1179
1180 static void rzg2l_gpio_free(struct gpio_chip *chip, unsigned int offset)
1181 {
1182         unsigned int virq;
1183
1184         pinctrl_gpio_free(chip, offset);
1185
1186         virq = irq_find_mapping(chip->irq.domain, offset);
1187         if (virq)
1188                 irq_dispose_mapping(virq);
1189
1190         /*
1191          * Set the GPIO as an input to ensure that the next GPIO request won't
1192          * drive the GPIO pin as an output.
1193          */
1194         rzg2l_gpio_direction_input(chip, offset);
1195 }
1196
1197 static const char * const rzg2l_gpio_names[] = {
1198         "P0_0", "P0_1", "P0_2", "P0_3", "P0_4", "P0_5", "P0_6", "P0_7",
1199         "P1_0", "P1_1", "P1_2", "P1_3", "P1_4", "P1_5", "P1_6", "P1_7",
1200         "P2_0", "P2_1", "P2_2", "P2_3", "P2_4", "P2_5", "P2_6", "P2_7",
1201         "P3_0", "P3_1", "P3_2", "P3_3", "P3_4", "P3_5", "P3_6", "P3_7",
1202         "P4_0", "P4_1", "P4_2", "P4_3", "P4_4", "P4_5", "P4_6", "P4_7",
1203         "P5_0", "P5_1", "P5_2", "P5_3", "P5_4", "P5_5", "P5_6", "P5_7",
1204         "P6_0", "P6_1", "P6_2", "P6_3", "P6_4", "P6_5", "P6_6", "P6_7",
1205         "P7_0", "P7_1", "P7_2", "P7_3", "P7_4", "P7_5", "P7_6", "P7_7",
1206         "P8_0", "P8_1", "P8_2", "P8_3", "P8_4", "P8_5", "P8_6", "P8_7",
1207         "P9_0", "P9_1", "P9_2", "P9_3", "P9_4", "P9_5", "P9_6", "P9_7",
1208         "P10_0", "P10_1", "P10_2", "P10_3", "P10_4", "P10_5", "P10_6", "P10_7",
1209         "P11_0", "P11_1", "P11_2", "P11_3", "P11_4", "P11_5", "P11_6", "P11_7",
1210         "P12_0", "P12_1", "P12_2", "P12_3", "P12_4", "P12_5", "P12_6", "P12_7",
1211         "P13_0", "P13_1", "P13_2", "P13_3", "P13_4", "P13_5", "P13_6", "P13_7",
1212         "P14_0", "P14_1", "P14_2", "P14_3", "P14_4", "P14_5", "P14_6", "P14_7",
1213         "P15_0", "P15_1", "P15_2", "P15_3", "P15_4", "P15_5", "P15_6", "P15_7",
1214         "P16_0", "P16_1", "P16_2", "P16_3", "P16_4", "P16_5", "P16_6", "P16_7",
1215         "P17_0", "P17_1", "P17_2", "P17_3", "P17_4", "P17_5", "P17_6", "P17_7",
1216         "P18_0", "P18_1", "P18_2", "P18_3", "P18_4", "P18_5", "P18_6", "P18_7",
1217         "P19_0", "P19_1", "P19_2", "P19_3", "P19_4", "P19_5", "P19_6", "P19_7",
1218         "P20_0", "P20_1", "P20_2", "P20_3", "P20_4", "P20_5", "P20_6", "P20_7",
1219         "P21_0", "P21_1", "P21_2", "P21_3", "P21_4", "P21_5", "P21_6", "P21_7",
1220         "P22_0", "P22_1", "P22_2", "P22_3", "P22_4", "P22_5", "P22_6", "P22_7",
1221         "P23_0", "P23_1", "P23_2", "P23_3", "P23_4", "P23_5", "P23_6", "P23_7",
1222         "P24_0", "P24_1", "P24_2", "P24_3", "P24_4", "P24_5", "P24_6", "P24_7",
1223         "P25_0", "P25_1", "P25_2", "P25_3", "P25_4", "P25_5", "P25_6", "P25_7",
1224         "P26_0", "P26_1", "P26_2", "P26_3", "P26_4", "P26_5", "P26_6", "P26_7",
1225         "P27_0", "P27_1", "P27_2", "P27_3", "P27_4", "P27_5", "P27_6", "P27_7",
1226         "P28_0", "P28_1", "P28_2", "P28_3", "P28_4", "P28_5", "P28_6", "P28_7",
1227         "P29_0", "P29_1", "P29_2", "P29_3", "P29_4", "P29_5", "P29_6", "P29_7",
1228         "P30_0", "P30_1", "P30_2", "P30_3", "P30_4", "P30_5", "P30_6", "P30_7",
1229         "P31_0", "P31_1", "P31_2", "P31_3", "P31_4", "P31_5", "P31_6", "P31_7",
1230         "P32_0", "P32_1", "P32_2", "P32_3", "P32_4", "P32_5", "P32_6", "P32_7",
1231         "P33_0", "P33_1", "P33_2", "P33_3", "P33_4", "P33_5", "P33_6", "P33_7",
1232         "P34_0", "P34_1", "P34_2", "P34_3", "P34_4", "P34_5", "P34_6", "P34_7",
1233         "P35_0", "P35_1", "P35_2", "P35_3", "P35_4", "P35_5", "P35_6", "P35_7",
1234         "P36_0", "P36_1", "P36_2", "P36_3", "P36_4", "P36_5", "P36_6", "P36_7",
1235         "P37_0", "P37_1", "P37_2", "P37_3", "P37_4", "P37_5", "P37_6", "P37_7",
1236         "P38_0", "P38_1", "P38_2", "P38_3", "P38_4", "P38_5", "P38_6", "P38_7",
1237         "P39_0", "P39_1", "P39_2", "P39_3", "P39_4", "P39_5", "P39_6", "P39_7",
1238         "P40_0", "P40_1", "P40_2", "P40_3", "P40_4", "P40_5", "P40_6", "P40_7",
1239         "P41_0", "P41_1", "P41_2", "P41_3", "P41_4", "P41_5", "P41_6", "P41_7",
1240         "P42_0", "P42_1", "P42_2", "P42_3", "P42_4", "P42_5", "P42_6", "P42_7",
1241         "P43_0", "P43_1", "P43_2", "P43_3", "P43_4", "P43_5", "P43_6", "P43_7",
1242         "P44_0", "P44_1", "P44_2", "P44_3", "P44_4", "P44_5", "P44_6", "P44_7",
1243         "P45_0", "P45_1", "P45_2", "P45_3", "P45_4", "P45_5", "P45_6", "P45_7",
1244         "P46_0", "P46_1", "P46_2", "P46_3", "P46_4", "P46_5", "P46_6", "P46_7",
1245         "P47_0", "P47_1", "P47_2", "P47_3", "P47_4", "P47_5", "P47_6", "P47_7",
1246         "P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7",
1247 };
1248
1249 static const u32 r9a07g044_gpio_configs[] = {
1250         RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS),
1251         RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS),
1252         RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS),
1253         RZG2L_GPIO_PORT_PACK(2, 0x13, RZG2L_MPXED_PIN_FUNCS),
1254         RZG2L_GPIO_PORT_PACK(2, 0x14, RZG2L_MPXED_PIN_FUNCS),
1255         RZG2L_GPIO_PORT_PACK(3, 0x15, RZG2L_MPXED_PIN_FUNCS),
1256         RZG2L_GPIO_PORT_PACK(2, 0x16, RZG2L_MPXED_PIN_FUNCS),
1257         RZG2L_GPIO_PORT_PACK(3, 0x17, RZG2L_MPXED_PIN_FUNCS),
1258         RZG2L_GPIO_PORT_PACK(3, 0x18, RZG2L_MPXED_PIN_FUNCS),
1259         RZG2L_GPIO_PORT_PACK(2, 0x19, RZG2L_MPXED_PIN_FUNCS),
1260         RZG2L_GPIO_PORT_PACK(2, 0x1a, RZG2L_MPXED_PIN_FUNCS),
1261         RZG2L_GPIO_PORT_PACK(2, 0x1b, RZG2L_MPXED_PIN_FUNCS),
1262         RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
1263         RZG2L_GPIO_PORT_PACK(3, 0x1d, RZG2L_MPXED_PIN_FUNCS),
1264         RZG2L_GPIO_PORT_PACK(2, 0x1e, RZG2L_MPXED_PIN_FUNCS),
1265         RZG2L_GPIO_PORT_PACK(2, 0x1f, RZG2L_MPXED_PIN_FUNCS),
1266         RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
1267         RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS),
1268         RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS),
1269         RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS),
1270         RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1271         RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1272         RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1273         RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1274         RZG2L_GPIO_PORT_PACK(2, 0x28, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1275         RZG2L_GPIO_PORT_PACK(2, 0x29, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1276         RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1277         RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1278         RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1279         RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1280         RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1281         RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1282         RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1283         RZG2L_GPIO_PORT_PACK(2, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1284         RZG2L_GPIO_PORT_PACK(2, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1285         RZG2L_GPIO_PORT_PACK(2, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1286         RZG2L_GPIO_PORT_PACK(2, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1287         RZG2L_GPIO_PORT_PACK(3, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1288         RZG2L_GPIO_PORT_PACK(2, 0x36, RZG2L_MPXED_PIN_FUNCS),
1289         RZG2L_GPIO_PORT_PACK(3, 0x37, RZG2L_MPXED_PIN_FUNCS),
1290         RZG2L_GPIO_PORT_PACK(3, 0x38, RZG2L_MPXED_PIN_FUNCS),
1291         RZG2L_GPIO_PORT_PACK(2, 0x39, RZG2L_MPXED_PIN_FUNCS),
1292         RZG2L_GPIO_PORT_PACK(5, 0x3a, RZG2L_MPXED_PIN_FUNCS),
1293         RZG2L_GPIO_PORT_PACK(4, 0x3b, RZG2L_MPXED_PIN_FUNCS),
1294         RZG2L_GPIO_PORT_PACK(4, 0x3c, RZG2L_MPXED_PIN_FUNCS),
1295         RZG2L_GPIO_PORT_PACK(4, 0x3d, RZG2L_MPXED_PIN_FUNCS),
1296         RZG2L_GPIO_PORT_PACK(4, 0x3e, RZG2L_MPXED_PIN_FUNCS),
1297         RZG2L_GPIO_PORT_PACK(4, 0x3f, RZG2L_MPXED_PIN_FUNCS),
1298         RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS),
1299 };
1300
1301 static const u32 r9a07g043_gpio_configs[] = {
1302         RZG2L_GPIO_PORT_PACK(4, 0x10, RZG2L_MPXED_PIN_FUNCS),
1303         RZG2L_GPIO_PORT_PACK(5, 0x11, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1304         RZG2L_GPIO_PORT_PACK(4, 0x12, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1305         RZG2L_GPIO_PORT_PACK(4, 0x13, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1306         RZG2L_GPIO_PORT_PACK(6, 0x14, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
1307         RZG2L_GPIO_PORT_PACK(5, 0x15, RZG2L_MPXED_PIN_FUNCS),
1308         RZG2L_GPIO_PORT_PACK(5, 0x16, RZG2L_MPXED_PIN_FUNCS),
1309         RZG2L_GPIO_PORT_PACK(5, 0x17, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1310         RZG2L_GPIO_PORT_PACK(5, 0x18, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1311         RZG2L_GPIO_PORT_PACK(4, 0x19, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1312         RZG2L_GPIO_PORT_PACK(5, 0x1a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
1313         RZG2L_GPIO_PORT_PACK(4, 0x1b, RZG2L_MPXED_PIN_FUNCS),
1314         RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
1315         RZG2L_GPIO_PORT_PACK(5, 0x1d, RZG2L_MPXED_PIN_FUNCS),
1316         RZG2L_GPIO_PORT_PACK(3, 0x1e, RZG2L_MPXED_PIN_FUNCS),
1317         RZG2L_GPIO_PORT_PACK(4, 0x1f, RZG2L_MPXED_PIN_FUNCS),
1318         RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
1319         RZG2L_GPIO_PORT_PACK(4, 0x21, RZG2L_MPXED_PIN_FUNCS),
1320         RZG2L_GPIO_PORT_PACK(6, 0x22, RZG2L_MPXED_PIN_FUNCS),
1321 };
1322
1323 static const u32 r9a08g045_gpio_configs[] = {
1324         RZG2L_GPIO_PORT_PACK(4, 0x20, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P0  */
1325         RZG2L_GPIO_PORT_PACK(5, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1326                                                                 PIN_CFG_IO_VMC_ETH0)),  /* P1 */
1327         RZG2L_GPIO_PORT_PACK(4, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1328                                                                 PIN_CFG_IO_VMC_ETH0)),  /* P2 */
1329         RZG2L_GPIO_PORT_PACK(4, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1330                                                                 PIN_CFG_IO_VMC_ETH0)),  /* P3 */
1331         RZG2L_GPIO_PORT_PACK(6, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1332                                                                 PIN_CFG_IO_VMC_ETH0)),  /* P4 */
1333         RZG2L_GPIO_PORT_PACK(5, 0x21, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P5  */
1334         RZG2L_GPIO_PORT_PACK(5, 0x22, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P6  */
1335         RZG2L_GPIO_PORT_PACK(5, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1336                                                                 PIN_CFG_IO_VMC_ETH1)),  /* P7 */
1337         RZG2L_GPIO_PORT_PACK(5, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1338                                                                 PIN_CFG_IO_VMC_ETH1)),  /* P8 */
1339         RZG2L_GPIO_PORT_PACK(4, 0x36, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1340                                                                 PIN_CFG_IO_VMC_ETH1)),  /* P9 */
1341         RZG2L_GPIO_PORT_PACK(5, 0x37, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C |
1342                                                                 PIN_CFG_IO_VMC_ETH1)),  /* P10 */
1343         RZG2L_GPIO_PORT_PACK(4, 0x23, RZG3S_MPXED_PIN_FUNCS(B) | PIN_CFG_IEN),          /* P11  */
1344         RZG2L_GPIO_PORT_PACK(2, 0x24, RZG3S_MPXED_PIN_FUNCS(B) | PIN_CFG_IEN),          /* P12  */
1345         RZG2L_GPIO_PORT_PACK(5, 0x25, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P13  */
1346         RZG2L_GPIO_PORT_PACK(3, 0x26, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P14  */
1347         RZG2L_GPIO_PORT_PACK(4, 0x27, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P15  */
1348         RZG2L_GPIO_PORT_PACK(2, 0x28, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P16  */
1349         RZG2L_GPIO_PORT_PACK(4, 0x29, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P17  */
1350         RZG2L_GPIO_PORT_PACK(6, 0x2a, RZG3S_MPXED_PIN_FUNCS(A)),                        /* P18 */
1351 };
1352
1353 static const struct {
1354         struct rzg2l_dedicated_configs common[35];
1355         struct rzg2l_dedicated_configs rzg2l_pins[7];
1356 } rzg2l_dedicated_pins = {
1357         .common = {
1358                 { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0,
1359                  (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) },
1360                 { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0,
1361                  (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
1362                 { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0,
1363                  (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
1364                 { "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x4, 0, PIN_CFG_IEN) },
1365                 { "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x4, 1, PIN_CFG_IEN) },
1366                 { "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x6, 0,
1367                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
1368                 { "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x6, 1,
1369                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1370                 { "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x6, 2,
1371                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
1372                 { "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x7, 0,
1373                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1374                 { "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x7, 1,
1375                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1376                 { "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x7, 2,
1377                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1378                 { "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x7, 3,
1379                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1380                 { "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x7, 4,
1381                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1382                 { "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x7, 5,
1383                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1384                 { "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x7, 6,
1385                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1386                 { "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x7, 7,
1387                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
1388                 { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x8, 0,
1389                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD1)) },
1390                 { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x8, 1,
1391                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1392                 { "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x9, 0,
1393                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1394                 { "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x9, 1,
1395                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1396                 { "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x9, 2,
1397                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1398                 { "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x9, 3,
1399                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
1400                 { "QSPI0_SPCLK", RZG2L_SINGLE_PIN_PACK(0xa, 0,
1401                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1402                 { "QSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0xa, 1,
1403                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1404                 { "QSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0xa, 2,
1405                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1406                 { "QSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0xa, 3,
1407                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1408                 { "QSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0xa, 4,
1409                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1410                 { "QSPI0_SSL", RZG2L_SINGLE_PIN_PACK(0xa, 5,
1411                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1412                 { "QSPI_RESET#", RZG2L_SINGLE_PIN_PACK(0xc, 0,
1413                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1414                 { "QSPI_WP#", RZG2L_SINGLE_PIN_PACK(0xc, 1,
1415                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1416                 { "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0xd, 0, (PIN_CFG_IOLH_A | PIN_CFG_SR)) },
1417                 { "RIIC0_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 0, PIN_CFG_IEN) },
1418                 { "RIIC0_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 1, PIN_CFG_IEN) },
1419                 { "RIIC1_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 2, PIN_CFG_IEN) },
1420                 { "RIIC1_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 3, PIN_CFG_IEN) },
1421         },
1422         .rzg2l_pins = {
1423                 { "QSPI_INT#", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1424                 { "QSPI1_SPCLK", RZG2L_SINGLE_PIN_PACK(0xb, 0,
1425                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1426                 { "QSPI1_IO0", RZG2L_SINGLE_PIN_PACK(0xb, 1,
1427                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1428                 { "QSPI1_IO1", RZG2L_SINGLE_PIN_PACK(0xb, 2,
1429                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1430                 { "QSPI1_IO2", RZG2L_SINGLE_PIN_PACK(0xb, 3,
1431                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1432                 { "QSPI1_IO3", RZG2L_SINGLE_PIN_PACK(0xb, 4,
1433                  (PIN_CFG_IOLH_B | PIN_CFG_SR  | PIN_CFG_IO_VMC_QSPI)) },
1434                 { "QSPI1_SSL", RZG2L_SINGLE_PIN_PACK(0xb, 5,
1435                  (PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
1436         }
1437 };
1438
1439 static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = {
1440         { "NMI", RZG2L_SINGLE_PIN_PACK(0x0, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM |
1441                                                 PIN_CFG_FILCLKSEL)) },
1442         { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_IOLH_A | PIN_CFG_IEN |
1443                                                       PIN_CFG_SOFT_PS)) },
1444         { "TDO", RZG2L_SINGLE_PIN_PACK(0x1, 1, (PIN_CFG_IOLH_A | PIN_CFG_SOFT_PS)) },
1445         { "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0x6, 0, PIN_CFG_IOLH_A | PIN_CFG_SOFT_PS) },
1446         { "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x10, 0, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD0)) },
1447         { "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x10, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1448                                                      PIN_CFG_IO_VMC_SD0)) },
1449         { "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x10, 2, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD0)) },
1450         { "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x11, 0, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1451                                                        PIN_CFG_IO_VMC_SD0)) },
1452         { "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x11, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1453                                                        PIN_CFG_IO_VMC_SD0)) },
1454         { "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x11, 2, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1455                                                        PIN_CFG_IO_VMC_SD0)) },
1456         { "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x11, 3, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1457                                                        PIN_CFG_IO_VMC_SD0)) },
1458         { "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x11, 4, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1459                                                        PIN_CFG_IO_VMC_SD0)) },
1460         { "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x11, 5, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1461                                                        PIN_CFG_IO_VMC_SD0)) },
1462         { "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x11, 6, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1463                                                        PIN_CFG_IO_VMC_SD0)) },
1464         { "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x11, 7, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1465                                                        PIN_CFG_IO_VMC_SD0)) },
1466         { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x12, 0, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD1)) },
1467         { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x12, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1468                                                      PIN_CFG_IO_VMC_SD1)) },
1469         { "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x13, 0, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1470                                                        PIN_CFG_IO_VMC_SD1)) },
1471         { "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x13, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1472                                                        PIN_CFG_IO_VMC_SD1)) },
1473         { "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x13, 2, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1474                                                        PIN_CFG_IO_VMC_SD1)) },
1475         { "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x13, 3, (PIN_CFG_IOLH_B | PIN_CFG_IEN |
1476                                                        PIN_CFG_IO_VMC_SD1)) },
1477 };
1478
1479 static int rzg2l_gpio_get_gpioint(unsigned int virq, const struct rzg2l_pinctrl_data *data)
1480 {
1481         unsigned int gpioint;
1482         unsigned int i;
1483         u32 port, bit;
1484
1485         port = virq / 8;
1486         bit = virq % 8;
1487
1488         if (port >= data->n_ports ||
1489             bit >= RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[port]))
1490                 return -EINVAL;
1491
1492         gpioint = bit;
1493         for (i = 0; i < port; i++)
1494                 gpioint += RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[i]);
1495
1496         return gpioint;
1497 }
1498
1499 static void rzg2l_gpio_irq_disable(struct irq_data *d)
1500 {
1501         struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1502         struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1503         unsigned int hwirq = irqd_to_hwirq(d);
1504         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[hwirq];
1505         unsigned int *pin_data = pin_desc->drv_data;
1506         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1507         u8 bit = RZG2L_PIN_ID_TO_PIN(hwirq);
1508         unsigned long flags;
1509         void __iomem *addr;
1510
1511         irq_chip_disable_parent(d);
1512
1513         addr = pctrl->base + ISEL(off);
1514         if (bit >= 4) {
1515                 bit -= 4;
1516                 addr += 4;
1517         }
1518
1519         spin_lock_irqsave(&pctrl->lock, flags);
1520         writel(readl(addr) & ~BIT(bit * 8), addr);
1521         spin_unlock_irqrestore(&pctrl->lock, flags);
1522
1523         gpiochip_disable_irq(gc, hwirq);
1524 }
1525
1526 static void rzg2l_gpio_irq_enable(struct irq_data *d)
1527 {
1528         struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1529         struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1530         unsigned int hwirq = irqd_to_hwirq(d);
1531         const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[hwirq];
1532         unsigned int *pin_data = pin_desc->drv_data;
1533         u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data);
1534         u8 bit = RZG2L_PIN_ID_TO_PIN(hwirq);
1535         unsigned long flags;
1536         void __iomem *addr;
1537
1538         gpiochip_enable_irq(gc, hwirq);
1539
1540         addr = pctrl->base + ISEL(off);
1541         if (bit >= 4) {
1542                 bit -= 4;
1543                 addr += 4;
1544         }
1545
1546         spin_lock_irqsave(&pctrl->lock, flags);
1547         writel(readl(addr) | BIT(bit * 8), addr);
1548         spin_unlock_irqrestore(&pctrl->lock, flags);
1549
1550         irq_chip_enable_parent(d);
1551 }
1552
1553 static int rzg2l_gpio_irq_set_type(struct irq_data *d, unsigned int type)
1554 {
1555         return irq_chip_set_type_parent(d, type);
1556 }
1557
1558 static void rzg2l_gpio_irqc_eoi(struct irq_data *d)
1559 {
1560         irq_chip_eoi_parent(d);
1561 }
1562
1563 static void rzg2l_gpio_irq_print_chip(struct irq_data *data, struct seq_file *p)
1564 {
1565         struct gpio_chip *gc = irq_data_get_irq_chip_data(data);
1566
1567         seq_printf(p, dev_name(gc->parent));
1568 }
1569
1570 static const struct irq_chip rzg2l_gpio_irqchip = {
1571         .name = "rzg2l-gpio",
1572         .irq_disable = rzg2l_gpio_irq_disable,
1573         .irq_enable = rzg2l_gpio_irq_enable,
1574         .irq_mask = irq_chip_mask_parent,
1575         .irq_unmask = irq_chip_unmask_parent,
1576         .irq_set_type = rzg2l_gpio_irq_set_type,
1577         .irq_eoi = rzg2l_gpio_irqc_eoi,
1578         .irq_print_chip = rzg2l_gpio_irq_print_chip,
1579         .flags = IRQCHIP_IMMUTABLE,
1580         GPIOCHIP_IRQ_RESOURCE_HELPERS,
1581 };
1582
1583 static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc,
1584                                             unsigned int child,
1585                                             unsigned int child_type,
1586                                             unsigned int *parent,
1587                                             unsigned int *parent_type)
1588 {
1589         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(gc);
1590         unsigned long flags;
1591         int gpioint, irq;
1592
1593         gpioint = rzg2l_gpio_get_gpioint(child, pctrl->data);
1594         if (gpioint < 0)
1595                 return gpioint;
1596
1597         spin_lock_irqsave(&pctrl->bitmap_lock, flags);
1598         irq = bitmap_find_free_region(pctrl->tint_slot, RZG2L_TINT_MAX_INTERRUPT, get_order(1));
1599         spin_unlock_irqrestore(&pctrl->bitmap_lock, flags);
1600         if (irq < 0)
1601                 return -ENOSPC;
1602         pctrl->hwirq[irq] = child;
1603         irq += RZG2L_TINT_IRQ_START_INDEX;
1604
1605         /* All these interrupts are level high in the CPU */
1606         *parent_type = IRQ_TYPE_LEVEL_HIGH;
1607         *parent = RZG2L_PACK_HWIRQ(gpioint, irq);
1608         return 0;
1609 }
1610
1611 static int rzg2l_gpio_populate_parent_fwspec(struct gpio_chip *chip,
1612                                              union gpio_irq_fwspec *gfwspec,
1613                                              unsigned int parent_hwirq,
1614                                              unsigned int parent_type)
1615 {
1616         struct irq_fwspec *fwspec = &gfwspec->fwspec;
1617
1618         fwspec->fwnode = chip->irq.parent_domain->fwnode;
1619         fwspec->param_count = 2;
1620         fwspec->param[0] = parent_hwirq;
1621         fwspec->param[1] = parent_type;
1622
1623         return 0;
1624 }
1625
1626 static void rzg2l_gpio_irq_domain_free(struct irq_domain *domain, unsigned int virq,
1627                                        unsigned int nr_irqs)
1628 {
1629         struct irq_data *d;
1630
1631         d = irq_domain_get_irq_data(domain, virq);
1632         if (d) {
1633                 struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
1634                 struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
1635                 irq_hw_number_t hwirq = irqd_to_hwirq(d);
1636                 unsigned long flags;
1637                 unsigned int i;
1638
1639                 for (i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) {
1640                         if (pctrl->hwirq[i] == hwirq) {
1641                                 spin_lock_irqsave(&pctrl->bitmap_lock, flags);
1642                                 bitmap_release_region(pctrl->tint_slot, i, get_order(1));
1643                                 spin_unlock_irqrestore(&pctrl->bitmap_lock, flags);
1644                                 pctrl->hwirq[i] = 0;
1645                                 break;
1646                         }
1647                 }
1648         }
1649         irq_domain_free_irqs_common(domain, virq, nr_irqs);
1650 }
1651
1652 static void rzg2l_init_irq_valid_mask(struct gpio_chip *gc,
1653                                       unsigned long *valid_mask,
1654                                       unsigned int ngpios)
1655 {
1656         struct rzg2l_pinctrl *pctrl = gpiochip_get_data(gc);
1657         struct gpio_chip *chip = &pctrl->gpio_chip;
1658         unsigned int offset;
1659
1660         /* Forbid unused lines to be mapped as IRQs */
1661         for (offset = 0; offset < chip->ngpio; offset++) {
1662                 u32 port, bit;
1663
1664                 port = offset / 8;
1665                 bit = offset % 8;
1666
1667                 if (port >= pctrl->data->n_ports ||
1668                     bit >= RZG2L_GPIO_PORT_GET_PINCNT(pctrl->data->port_pin_configs[port]))
1669                         clear_bit(offset, valid_mask);
1670         }
1671 }
1672
1673 static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
1674 {
1675         struct device_node *np = pctrl->dev->of_node;
1676         struct gpio_chip *chip = &pctrl->gpio_chip;
1677         const char *name = dev_name(pctrl->dev);
1678         struct irq_domain *parent_domain;
1679         struct of_phandle_args of_args;
1680         struct device_node *parent_np;
1681         struct gpio_irq_chip *girq;
1682         int ret;
1683
1684         parent_np = of_irq_find_parent(np);
1685         if (!parent_np)
1686                 return -ENXIO;
1687
1688         parent_domain = irq_find_host(parent_np);
1689         of_node_put(parent_np);
1690         if (!parent_domain)
1691                 return -EPROBE_DEFER;
1692
1693         ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args);
1694         if (ret) {
1695                 dev_err(pctrl->dev, "Unable to parse gpio-ranges\n");
1696                 return ret;
1697         }
1698
1699         if (of_args.args[0] != 0 || of_args.args[1] != 0 ||
1700             of_args.args[2] != pctrl->data->n_port_pins) {
1701                 dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n");
1702                 return -EINVAL;
1703         }
1704
1705         chip->names = pctrl->data->port_pins;
1706         chip->request = rzg2l_gpio_request;
1707         chip->free = rzg2l_gpio_free;
1708         chip->get_direction = rzg2l_gpio_get_direction;
1709         chip->direction_input = rzg2l_gpio_direction_input;
1710         chip->direction_output = rzg2l_gpio_direction_output;
1711         chip->get = rzg2l_gpio_get;
1712         chip->set = rzg2l_gpio_set;
1713         chip->label = name;
1714         chip->parent = pctrl->dev;
1715         chip->owner = THIS_MODULE;
1716         chip->base = -1;
1717         chip->ngpio = of_args.args[2];
1718
1719         girq = &chip->irq;
1720         gpio_irq_chip_set_chip(girq, &rzg2l_gpio_irqchip);
1721         girq->fwnode = of_node_to_fwnode(np);
1722         girq->parent_domain = parent_domain;
1723         girq->child_to_parent_hwirq = rzg2l_gpio_child_to_parent_hwirq;
1724         girq->populate_parent_alloc_arg = rzg2l_gpio_populate_parent_fwspec;
1725         girq->child_irq_domain_ops.free = rzg2l_gpio_irq_domain_free;
1726         girq->init_valid_mask = rzg2l_init_irq_valid_mask;
1727
1728         pctrl->gpio_range.id = 0;
1729         pctrl->gpio_range.pin_base = 0;
1730         pctrl->gpio_range.base = 0;
1731         pctrl->gpio_range.npins = chip->ngpio;
1732         pctrl->gpio_range.name = chip->label;
1733         pctrl->gpio_range.gc = chip;
1734         ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl);
1735         if (ret) {
1736                 dev_err(pctrl->dev, "failed to add GPIO controller\n");
1737                 return ret;
1738         }
1739
1740         dev_dbg(pctrl->dev, "Registered gpio controller\n");
1741
1742         return 0;
1743 }
1744
1745 static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
1746 {
1747         const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg;
1748         struct pinctrl_pin_desc *pins;
1749         unsigned int i, j;
1750         u32 *pin_data;
1751         int ret;
1752
1753         pctrl->desc.name = DRV_NAME;
1754         pctrl->desc.npins = pctrl->data->n_port_pins + pctrl->data->n_dedicated_pins;
1755         pctrl->desc.pctlops = &rzg2l_pinctrl_pctlops;
1756         pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops;
1757         pctrl->desc.confops = &rzg2l_pinctrl_confops;
1758         pctrl->desc.owner = THIS_MODULE;
1759
1760         pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL);
1761         if (!pins)
1762                 return -ENOMEM;
1763
1764         pin_data = devm_kcalloc(pctrl->dev, pctrl->desc.npins,
1765                                 sizeof(*pin_data), GFP_KERNEL);
1766         if (!pin_data)
1767                 return -ENOMEM;
1768
1769         pctrl->pins = pins;
1770         pctrl->desc.pins = pins;
1771
1772         for (i = 0, j = 0; i < pctrl->data->n_port_pins; i++) {
1773                 pins[i].number = i;
1774                 pins[i].name = pctrl->data->port_pins[i];
1775                 if (i && !(i % RZG2L_PINS_PER_PORT))
1776                         j++;
1777                 pin_data[i] = pctrl->data->port_pin_configs[j];
1778                 pins[i].drv_data = &pin_data[i];
1779         }
1780
1781         for (i = 0; i < pctrl->data->n_dedicated_pins; i++) {
1782                 unsigned int index = pctrl->data->n_port_pins + i;
1783
1784                 pins[index].number = index;
1785                 pins[index].name = pctrl->data->dedicated_pins[i].name;
1786                 pin_data[index] = pctrl->data->dedicated_pins[i].config;
1787                 pins[index].drv_data = &pin_data[index];
1788         }
1789
1790         pctrl->settings = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pctrl->settings),
1791                                        GFP_KERNEL);
1792         if (!pctrl->settings)
1793                 return -ENOMEM;
1794
1795         for (i = 0; hwcfg->drive_strength_ua && i < pctrl->desc.npins; i++) {
1796                 if (pin_data[i] & PIN_CFG_SOFT_PS) {
1797                         pctrl->settings[i].power_source = 3300;
1798                 } else {
1799                         ret = rzg2l_get_power_source(pctrl, i, pin_data[i]);
1800                         if (ret < 0)
1801                                 continue;
1802                         pctrl->settings[i].power_source = ret;
1803                 }
1804         }
1805
1806         ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl,
1807                                              &pctrl->pctl);
1808         if (ret) {
1809                 dev_err(pctrl->dev, "pinctrl registration failed\n");
1810                 return ret;
1811         }
1812
1813         ret = pinctrl_enable(pctrl->pctl);
1814         if (ret) {
1815                 dev_err(pctrl->dev, "pinctrl enable failed\n");
1816                 return ret;
1817         }
1818
1819         ret = rzg2l_gpio_register(pctrl);
1820         if (ret) {
1821                 dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret);
1822                 return ret;
1823         }
1824
1825         return 0;
1826 }
1827
1828 static int rzg2l_pinctrl_probe(struct platform_device *pdev)
1829 {
1830         struct rzg2l_pinctrl *pctrl;
1831         struct clk *clk;
1832         int ret;
1833
1834         BUILD_BUG_ON(ARRAY_SIZE(r9a07g044_gpio_configs) * RZG2L_PINS_PER_PORT >
1835                      ARRAY_SIZE(rzg2l_gpio_names));
1836
1837         BUILD_BUG_ON(ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT >
1838                      ARRAY_SIZE(rzg2l_gpio_names));
1839
1840         BUILD_BUG_ON(ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT >
1841                      ARRAY_SIZE(rzg2l_gpio_names));
1842
1843         pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL);
1844         if (!pctrl)
1845                 return -ENOMEM;
1846
1847         pctrl->dev = &pdev->dev;
1848
1849         pctrl->data = of_device_get_match_data(&pdev->dev);
1850         if (!pctrl->data)
1851                 return -EINVAL;
1852
1853         pctrl->base = devm_platform_ioremap_resource(pdev, 0);
1854         if (IS_ERR(pctrl->base))
1855                 return PTR_ERR(pctrl->base);
1856
1857         clk = devm_clk_get_enabled(pctrl->dev, NULL);
1858         if (IS_ERR(clk))
1859                 return dev_err_probe(pctrl->dev, PTR_ERR(clk),
1860                                      "failed to enable GPIO clk\n");
1861
1862         spin_lock_init(&pctrl->lock);
1863         spin_lock_init(&pctrl->bitmap_lock);
1864         mutex_init(&pctrl->mutex);
1865
1866         platform_set_drvdata(pdev, pctrl);
1867
1868         ret = rzg2l_pinctrl_register(pctrl);
1869         if (ret)
1870                 return ret;
1871
1872         dev_info(pctrl->dev, "%s support registered\n", DRV_NAME);
1873         return 0;
1874 }
1875
1876 static const struct rzg2l_hwcfg rzg2l_hwcfg = {
1877         .regs = {
1878                 .pwpr = 0x3014,
1879                 .sd_ch = 0x3000,
1880         },
1881         .iolh_groupa_ua = {
1882                 /* 3v3 power source */
1883                 [RZG2L_IOLH_IDX_3V3] = 2000, 4000, 8000, 12000,
1884         },
1885         .iolh_groupb_oi = { 100, 66, 50, 33, },
1886 };
1887
1888 static const struct rzg2l_hwcfg rzg3s_hwcfg = {
1889         .regs = {
1890                 .pwpr = 0x3000,
1891                 .sd_ch = 0x3004,
1892         },
1893         .iolh_groupa_ua = {
1894                 /* 1v8 power source */
1895                 [RZG2L_IOLH_IDX_1V8] = 2200, 4400, 9000, 10000,
1896                 /* 3v3 power source */
1897                 [RZG2L_IOLH_IDX_3V3] = 1900, 4000, 8000, 9000,
1898         },
1899         .iolh_groupb_ua = {
1900                 /* 1v8 power source */
1901                 [RZG2L_IOLH_IDX_1V8] = 7000, 8000, 9000, 10000,
1902                 /* 3v3 power source */
1903                 [RZG2L_IOLH_IDX_3V3] = 4000, 6000, 8000, 9000,
1904         },
1905         .iolh_groupc_ua = {
1906                 /* 1v8 power source */
1907                 [RZG2L_IOLH_IDX_1V8] = 5200, 6000, 6550, 6800,
1908                 /* 2v5 source */
1909                 [RZG2L_IOLH_IDX_2V5] = 4700, 5300, 5800, 6100,
1910                 /* 3v3 power source */
1911                 [RZG2L_IOLH_IDX_3V3] = 4500, 5200, 5700, 6050,
1912         },
1913         .drive_strength_ua = true,
1914         .func_base = 1,
1915 };
1916
1917 static struct rzg2l_pinctrl_data r9a07g043_data = {
1918         .port_pins = rzg2l_gpio_names,
1919         .port_pin_configs = r9a07g043_gpio_configs,
1920         .n_ports = ARRAY_SIZE(r9a07g043_gpio_configs),
1921         .dedicated_pins = rzg2l_dedicated_pins.common,
1922         .n_port_pins = ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT,
1923         .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common),
1924         .hwcfg = &rzg2l_hwcfg,
1925 };
1926
1927 static struct rzg2l_pinctrl_data r9a07g044_data = {
1928         .port_pins = rzg2l_gpio_names,
1929         .port_pin_configs = r9a07g044_gpio_configs,
1930         .n_ports = ARRAY_SIZE(r9a07g044_gpio_configs),
1931         .dedicated_pins = rzg2l_dedicated_pins.common,
1932         .n_port_pins = ARRAY_SIZE(r9a07g044_gpio_configs) * RZG2L_PINS_PER_PORT,
1933         .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) +
1934                 ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins),
1935         .hwcfg = &rzg2l_hwcfg,
1936 };
1937
1938 static struct rzg2l_pinctrl_data r9a08g045_data = {
1939         .port_pins = rzg2l_gpio_names,
1940         .port_pin_configs = r9a08g045_gpio_configs,
1941         .n_ports = ARRAY_SIZE(r9a08g045_gpio_configs),
1942         .dedicated_pins = rzg3s_dedicated_pins,
1943         .n_port_pins = ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT,
1944         .n_dedicated_pins = ARRAY_SIZE(rzg3s_dedicated_pins),
1945         .hwcfg = &rzg3s_hwcfg,
1946 };
1947
1948 static const struct of_device_id rzg2l_pinctrl_of_table[] = {
1949         {
1950                 .compatible = "renesas,r9a07g043-pinctrl",
1951                 .data = &r9a07g043_data,
1952         },
1953         {
1954                 .compatible = "renesas,r9a07g044-pinctrl",
1955                 .data = &r9a07g044_data,
1956         },
1957         {
1958                 .compatible = "renesas,r9a08g045-pinctrl",
1959                 .data = &r9a08g045_data,
1960         },
1961         { /* sentinel */ }
1962 };
1963
1964 static struct platform_driver rzg2l_pinctrl_driver = {
1965         .driver = {
1966                 .name = DRV_NAME,
1967                 .of_match_table = of_match_ptr(rzg2l_pinctrl_of_table),
1968         },
1969         .probe = rzg2l_pinctrl_probe,
1970 };
1971
1972 static int __init rzg2l_pinctrl_init(void)
1973 {
1974         return platform_driver_register(&rzg2l_pinctrl_driver);
1975 }
1976 core_initcall(rzg2l_pinctrl_init);
1977
1978 MODULE_AUTHOR("Lad Prabhakar <[email protected]>");
1979 MODULE_DESCRIPTION("Pin and gpio controller driver for RZ/G2L family");