1910df4d0SMarek Vasut /* 2910df4d0SMarek Vasut * Pin Control driver for SuperH Pin Function Controller. 3910df4d0SMarek Vasut * 4910df4d0SMarek Vasut * Authors: Magnus Damm, Paul Mundt, Laurent Pinchart 5910df4d0SMarek Vasut * 6910df4d0SMarek Vasut * Copyright (C) 2008 Magnus Damm 7910df4d0SMarek Vasut * Copyright (C) 2009 - 2012 Paul Mundt 8910df4d0SMarek Vasut * Copyright (C) 2017 Marek Vasut 9910df4d0SMarek Vasut * 10910df4d0SMarek Vasut * SPDX-License-Identifier: GPL-2.0 11910df4d0SMarek Vasut */ 12910df4d0SMarek Vasut 13910df4d0SMarek Vasut #define DRV_NAME "sh-pfc" 14910df4d0SMarek Vasut 15910df4d0SMarek Vasut #include <common.h> 16910df4d0SMarek Vasut #include <dm.h> 17910df4d0SMarek Vasut #include <errno.h> 18910df4d0SMarek Vasut #include <dm/pinctrl.h> 19910df4d0SMarek Vasut #include <linux/io.h> 20910df4d0SMarek Vasut #include <linux/sizes.h> 21910df4d0SMarek Vasut 22910df4d0SMarek Vasut #include "sh_pfc.h" 23910df4d0SMarek Vasut 24910df4d0SMarek Vasut DECLARE_GLOBAL_DATA_PTR; 25910df4d0SMarek Vasut 26910df4d0SMarek Vasut enum sh_pfc_model { 27*7547ad4cSMarek Vasut SH_PFC_R8A7790 = 0, 28*7547ad4cSMarek Vasut SH_PFC_R8A7795, 29910df4d0SMarek Vasut SH_PFC_R8A7796, 30c106bb53SMarek Vasut SH_PFC_R8A77970, 31a59e6976SMarek Vasut SH_PFC_R8A77995, 32910df4d0SMarek Vasut }; 33910df4d0SMarek Vasut 34910df4d0SMarek Vasut struct sh_pfc_pin_config { 35910df4d0SMarek Vasut u32 type; 36910df4d0SMarek Vasut }; 37910df4d0SMarek Vasut 38910df4d0SMarek Vasut struct sh_pfc_pinctrl { 39910df4d0SMarek Vasut struct sh_pfc *pfc; 40910df4d0SMarek Vasut 41910df4d0SMarek Vasut struct sh_pfc_pin_config *configs; 42910df4d0SMarek Vasut 43910df4d0SMarek Vasut const char *func_prop_name; 44910df4d0SMarek Vasut const char *groups_prop_name; 45910df4d0SMarek Vasut const char *pins_prop_name; 46910df4d0SMarek Vasut }; 47910df4d0SMarek Vasut 48910df4d0SMarek Vasut struct sh_pfc_pin_range { 49910df4d0SMarek Vasut u16 start; 50910df4d0SMarek Vasut u16 end; 51910df4d0SMarek Vasut }; 52910df4d0SMarek Vasut 53910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv { 54910df4d0SMarek Vasut struct sh_pfc pfc; 55910df4d0SMarek Vasut struct sh_pfc_pinctrl pmx; 56910df4d0SMarek Vasut }; 57910df4d0SMarek Vasut 58910df4d0SMarek Vasut int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin) 59910df4d0SMarek Vasut { 60910df4d0SMarek Vasut unsigned int offset; 61910df4d0SMarek Vasut unsigned int i; 62910df4d0SMarek Vasut 63910df4d0SMarek Vasut for (i = 0, offset = 0; i < pfc->nr_ranges; ++i) { 64910df4d0SMarek Vasut const struct sh_pfc_pin_range *range = &pfc->ranges[i]; 65910df4d0SMarek Vasut 66910df4d0SMarek Vasut if (pin <= range->end) 67910df4d0SMarek Vasut return pin >= range->start 68910df4d0SMarek Vasut ? offset + pin - range->start : -1; 69910df4d0SMarek Vasut 70910df4d0SMarek Vasut offset += range->end - range->start + 1; 71910df4d0SMarek Vasut } 72910df4d0SMarek Vasut 73910df4d0SMarek Vasut return -EINVAL; 74910df4d0SMarek Vasut } 75910df4d0SMarek Vasut 76910df4d0SMarek Vasut static int sh_pfc_enum_in_range(u16 enum_id, const struct pinmux_range *r) 77910df4d0SMarek Vasut { 78910df4d0SMarek Vasut if (enum_id < r->begin) 79910df4d0SMarek Vasut return 0; 80910df4d0SMarek Vasut 81910df4d0SMarek Vasut if (enum_id > r->end) 82910df4d0SMarek Vasut return 0; 83910df4d0SMarek Vasut 84910df4d0SMarek Vasut return 1; 85910df4d0SMarek Vasut } 86910df4d0SMarek Vasut 87910df4d0SMarek Vasut u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width) 88910df4d0SMarek Vasut { 89910df4d0SMarek Vasut switch (reg_width) { 90910df4d0SMarek Vasut case 8: 91910df4d0SMarek Vasut return readb(mapped_reg); 92910df4d0SMarek Vasut case 16: 93910df4d0SMarek Vasut return readw(mapped_reg); 94910df4d0SMarek Vasut case 32: 95910df4d0SMarek Vasut return readl(mapped_reg); 96910df4d0SMarek Vasut } 97910df4d0SMarek Vasut 98910df4d0SMarek Vasut BUG(); 99910df4d0SMarek Vasut return 0; 100910df4d0SMarek Vasut } 101910df4d0SMarek Vasut 102910df4d0SMarek Vasut void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width, 103910df4d0SMarek Vasut u32 data) 104910df4d0SMarek Vasut { 105910df4d0SMarek Vasut switch (reg_width) { 106910df4d0SMarek Vasut case 8: 107910df4d0SMarek Vasut writeb(data, mapped_reg); 108910df4d0SMarek Vasut return; 109910df4d0SMarek Vasut case 16: 110910df4d0SMarek Vasut writew(data, mapped_reg); 111910df4d0SMarek Vasut return; 112910df4d0SMarek Vasut case 32: 113910df4d0SMarek Vasut writel(data, mapped_reg); 114910df4d0SMarek Vasut return; 115910df4d0SMarek Vasut } 116910df4d0SMarek Vasut 117910df4d0SMarek Vasut BUG(); 118910df4d0SMarek Vasut } 119910df4d0SMarek Vasut 120910df4d0SMarek Vasut u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width) 121910df4d0SMarek Vasut { 122910df4d0SMarek Vasut return sh_pfc_read_raw_reg(pfc->regs + reg, width); 123910df4d0SMarek Vasut } 124910df4d0SMarek Vasut 125910df4d0SMarek Vasut void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width, u32 data) 126910df4d0SMarek Vasut { 127910df4d0SMarek Vasut void __iomem *unlock_reg = 128910df4d0SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 129910df4d0SMarek Vasut 130910df4d0SMarek Vasut if (pfc->info->unlock_reg) 131910df4d0SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~data); 132910df4d0SMarek Vasut 133910df4d0SMarek Vasut sh_pfc_write_raw_reg(pfc->regs + reg, width, data); 134910df4d0SMarek Vasut } 135910df4d0SMarek Vasut 136910df4d0SMarek Vasut static void sh_pfc_config_reg_helper(struct sh_pfc *pfc, 137910df4d0SMarek Vasut const struct pinmux_cfg_reg *crp, 138910df4d0SMarek Vasut unsigned int in_pos, 139910df4d0SMarek Vasut void __iomem **mapped_regp, u32 *maskp, 140910df4d0SMarek Vasut unsigned int *posp) 141910df4d0SMarek Vasut { 142910df4d0SMarek Vasut unsigned int k; 143910df4d0SMarek Vasut 144910df4d0SMarek Vasut *mapped_regp = (void __iomem *)(uintptr_t)crp->reg; 145910df4d0SMarek Vasut 146910df4d0SMarek Vasut if (crp->field_width) { 147910df4d0SMarek Vasut *maskp = (1 << crp->field_width) - 1; 148910df4d0SMarek Vasut *posp = crp->reg_width - ((in_pos + 1) * crp->field_width); 149910df4d0SMarek Vasut } else { 150910df4d0SMarek Vasut *maskp = (1 << crp->var_field_width[in_pos]) - 1; 151910df4d0SMarek Vasut *posp = crp->reg_width; 152910df4d0SMarek Vasut for (k = 0; k <= in_pos; k++) 153910df4d0SMarek Vasut *posp -= crp->var_field_width[k]; 154910df4d0SMarek Vasut } 155910df4d0SMarek Vasut } 156910df4d0SMarek Vasut 157910df4d0SMarek Vasut static void sh_pfc_write_config_reg(struct sh_pfc *pfc, 158910df4d0SMarek Vasut const struct pinmux_cfg_reg *crp, 159910df4d0SMarek Vasut unsigned int field, u32 value) 160910df4d0SMarek Vasut { 161910df4d0SMarek Vasut void __iomem *mapped_reg; 162910df4d0SMarek Vasut void __iomem *unlock_reg = 163910df4d0SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 164910df4d0SMarek Vasut unsigned int pos; 165910df4d0SMarek Vasut u32 mask, data; 166910df4d0SMarek Vasut 167910df4d0SMarek Vasut sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos); 168910df4d0SMarek Vasut 169910df4d0SMarek Vasut dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, " 170910df4d0SMarek Vasut "r_width = %u, f_width = %u\n", 171910df4d0SMarek Vasut crp->reg, value, field, crp->reg_width, crp->field_width); 172910df4d0SMarek Vasut 173910df4d0SMarek Vasut mask = ~(mask << pos); 174910df4d0SMarek Vasut value = value << pos; 175910df4d0SMarek Vasut 176910df4d0SMarek Vasut data = sh_pfc_read_raw_reg(mapped_reg, crp->reg_width); 177910df4d0SMarek Vasut data &= mask; 178910df4d0SMarek Vasut data |= value; 179910df4d0SMarek Vasut 180910df4d0SMarek Vasut if (pfc->info->unlock_reg) 181910df4d0SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~data); 182910df4d0SMarek Vasut 183910df4d0SMarek Vasut sh_pfc_write_raw_reg(mapped_reg, crp->reg_width, data); 184910df4d0SMarek Vasut } 185910df4d0SMarek Vasut 186910df4d0SMarek Vasut static int sh_pfc_get_config_reg(struct sh_pfc *pfc, u16 enum_id, 187910df4d0SMarek Vasut const struct pinmux_cfg_reg **crp, 188910df4d0SMarek Vasut unsigned int *fieldp, u32 *valuep) 189910df4d0SMarek Vasut { 190910df4d0SMarek Vasut unsigned int k = 0; 191910df4d0SMarek Vasut 192910df4d0SMarek Vasut while (1) { 193910df4d0SMarek Vasut const struct pinmux_cfg_reg *config_reg = 194910df4d0SMarek Vasut pfc->info->cfg_regs + k; 195910df4d0SMarek Vasut unsigned int r_width = config_reg->reg_width; 196910df4d0SMarek Vasut unsigned int f_width = config_reg->field_width; 197910df4d0SMarek Vasut unsigned int curr_width; 198910df4d0SMarek Vasut unsigned int bit_pos; 199910df4d0SMarek Vasut unsigned int pos = 0; 200910df4d0SMarek Vasut unsigned int m = 0; 201910df4d0SMarek Vasut 202910df4d0SMarek Vasut if (!r_width) 203910df4d0SMarek Vasut break; 204910df4d0SMarek Vasut 205910df4d0SMarek Vasut for (bit_pos = 0; bit_pos < r_width; bit_pos += curr_width) { 206910df4d0SMarek Vasut u32 ncomb; 207910df4d0SMarek Vasut u32 n; 208910df4d0SMarek Vasut 209910df4d0SMarek Vasut if (f_width) 210910df4d0SMarek Vasut curr_width = f_width; 211910df4d0SMarek Vasut else 212910df4d0SMarek Vasut curr_width = config_reg->var_field_width[m]; 213910df4d0SMarek Vasut 214910df4d0SMarek Vasut ncomb = 1 << curr_width; 215910df4d0SMarek Vasut for (n = 0; n < ncomb; n++) { 216910df4d0SMarek Vasut if (config_reg->enum_ids[pos + n] == enum_id) { 217910df4d0SMarek Vasut *crp = config_reg; 218910df4d0SMarek Vasut *fieldp = m; 219910df4d0SMarek Vasut *valuep = n; 220910df4d0SMarek Vasut return 0; 221910df4d0SMarek Vasut } 222910df4d0SMarek Vasut } 223910df4d0SMarek Vasut pos += ncomb; 224910df4d0SMarek Vasut m++; 225910df4d0SMarek Vasut } 226910df4d0SMarek Vasut k++; 227910df4d0SMarek Vasut } 228910df4d0SMarek Vasut 229910df4d0SMarek Vasut return -EINVAL; 230910df4d0SMarek Vasut } 231910df4d0SMarek Vasut 232910df4d0SMarek Vasut static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, u16 mark, int pos, 233910df4d0SMarek Vasut u16 *enum_idp) 234910df4d0SMarek Vasut { 235910df4d0SMarek Vasut const u16 *data = pfc->info->pinmux_data; 236910df4d0SMarek Vasut unsigned int k; 237910df4d0SMarek Vasut 238910df4d0SMarek Vasut if (pos) { 239910df4d0SMarek Vasut *enum_idp = data[pos + 1]; 240910df4d0SMarek Vasut return pos + 1; 241910df4d0SMarek Vasut } 242910df4d0SMarek Vasut 243910df4d0SMarek Vasut for (k = 0; k < pfc->info->pinmux_data_size; k++) { 244910df4d0SMarek Vasut if (data[k] == mark) { 245910df4d0SMarek Vasut *enum_idp = data[k + 1]; 246910df4d0SMarek Vasut return k + 1; 247910df4d0SMarek Vasut } 248910df4d0SMarek Vasut } 249910df4d0SMarek Vasut 250910df4d0SMarek Vasut dev_err(pfc->dev, "cannot locate data/mark enum_id for mark %d\n", 251910df4d0SMarek Vasut mark); 252910df4d0SMarek Vasut return -EINVAL; 253910df4d0SMarek Vasut } 254910df4d0SMarek Vasut 255910df4d0SMarek Vasut int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) 256910df4d0SMarek Vasut { 257910df4d0SMarek Vasut const struct pinmux_range *range; 258910df4d0SMarek Vasut int pos = 0; 259910df4d0SMarek Vasut 260910df4d0SMarek Vasut switch (pinmux_type) { 261910df4d0SMarek Vasut case PINMUX_TYPE_GPIO: 262910df4d0SMarek Vasut case PINMUX_TYPE_FUNCTION: 263910df4d0SMarek Vasut range = NULL; 264910df4d0SMarek Vasut break; 265910df4d0SMarek Vasut 266910df4d0SMarek Vasut case PINMUX_TYPE_OUTPUT: 267910df4d0SMarek Vasut range = &pfc->info->output; 268910df4d0SMarek Vasut break; 269910df4d0SMarek Vasut 270910df4d0SMarek Vasut case PINMUX_TYPE_INPUT: 271910df4d0SMarek Vasut range = &pfc->info->input; 272910df4d0SMarek Vasut break; 273910df4d0SMarek Vasut 274910df4d0SMarek Vasut default: 275910df4d0SMarek Vasut return -EINVAL; 276910df4d0SMarek Vasut } 277910df4d0SMarek Vasut 278910df4d0SMarek Vasut /* Iterate over all the configuration fields we need to update. */ 279910df4d0SMarek Vasut while (1) { 280910df4d0SMarek Vasut const struct pinmux_cfg_reg *cr; 281910df4d0SMarek Vasut unsigned int field; 282910df4d0SMarek Vasut u16 enum_id; 283910df4d0SMarek Vasut u32 value; 284910df4d0SMarek Vasut int in_range; 285910df4d0SMarek Vasut int ret; 286910df4d0SMarek Vasut 287910df4d0SMarek Vasut pos = sh_pfc_mark_to_enum(pfc, mark, pos, &enum_id); 288910df4d0SMarek Vasut if (pos < 0) 289910df4d0SMarek Vasut return pos; 290910df4d0SMarek Vasut 291910df4d0SMarek Vasut if (!enum_id) 292910df4d0SMarek Vasut break; 293910df4d0SMarek Vasut 294910df4d0SMarek Vasut /* Check if the configuration field selects a function. If it 295910df4d0SMarek Vasut * doesn't, skip the field if it's not applicable to the 296910df4d0SMarek Vasut * requested pinmux type. 297910df4d0SMarek Vasut */ 298910df4d0SMarek Vasut in_range = sh_pfc_enum_in_range(enum_id, &pfc->info->function); 299910df4d0SMarek Vasut if (!in_range) { 300910df4d0SMarek Vasut if (pinmux_type == PINMUX_TYPE_FUNCTION) { 301910df4d0SMarek Vasut /* Functions are allowed to modify all 302910df4d0SMarek Vasut * fields. 303910df4d0SMarek Vasut */ 304910df4d0SMarek Vasut in_range = 1; 305910df4d0SMarek Vasut } else if (pinmux_type != PINMUX_TYPE_GPIO) { 306910df4d0SMarek Vasut /* Input/output types can only modify fields 307910df4d0SMarek Vasut * that correspond to their respective ranges. 308910df4d0SMarek Vasut */ 309910df4d0SMarek Vasut in_range = sh_pfc_enum_in_range(enum_id, range); 310910df4d0SMarek Vasut 311910df4d0SMarek Vasut /* 312910df4d0SMarek Vasut * special case pass through for fixed 313910df4d0SMarek Vasut * input-only or output-only pins without 314910df4d0SMarek Vasut * function enum register association. 315910df4d0SMarek Vasut */ 316910df4d0SMarek Vasut if (in_range && enum_id == range->force) 317910df4d0SMarek Vasut continue; 318910df4d0SMarek Vasut } 319910df4d0SMarek Vasut /* GPIOs are only allowed to modify function fields. */ 320910df4d0SMarek Vasut } 321910df4d0SMarek Vasut 322910df4d0SMarek Vasut if (!in_range) 323910df4d0SMarek Vasut continue; 324910df4d0SMarek Vasut 325910df4d0SMarek Vasut ret = sh_pfc_get_config_reg(pfc, enum_id, &cr, &field, &value); 326910df4d0SMarek Vasut if (ret < 0) 327910df4d0SMarek Vasut return ret; 328910df4d0SMarek Vasut 329910df4d0SMarek Vasut sh_pfc_write_config_reg(pfc, cr, field, value); 330910df4d0SMarek Vasut } 331910df4d0SMarek Vasut 332910df4d0SMarek Vasut return 0; 333910df4d0SMarek Vasut } 334910df4d0SMarek Vasut 335910df4d0SMarek Vasut const struct sh_pfc_bias_info * 336910df4d0SMarek Vasut sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info, 337910df4d0SMarek Vasut unsigned int num, unsigned int pin) 338910df4d0SMarek Vasut { 339910df4d0SMarek Vasut unsigned int i; 340910df4d0SMarek Vasut 341910df4d0SMarek Vasut for (i = 0; i < num; i++) 342910df4d0SMarek Vasut if (info[i].pin == pin) 343910df4d0SMarek Vasut return &info[i]; 344910df4d0SMarek Vasut 345910df4d0SMarek Vasut printf("Pin %u is not in bias info list\n", pin); 346910df4d0SMarek Vasut 347910df4d0SMarek Vasut return NULL; 348910df4d0SMarek Vasut } 349910df4d0SMarek Vasut 350910df4d0SMarek Vasut static int sh_pfc_init_ranges(struct sh_pfc *pfc) 351910df4d0SMarek Vasut { 352910df4d0SMarek Vasut struct sh_pfc_pin_range *range; 353910df4d0SMarek Vasut unsigned int nr_ranges; 354910df4d0SMarek Vasut unsigned int i; 355910df4d0SMarek Vasut 356910df4d0SMarek Vasut if (pfc->info->pins[0].pin == (u16)-1) { 357910df4d0SMarek Vasut /* Pin number -1 denotes that the SoC doesn't report pin numbers 358910df4d0SMarek Vasut * in its pin arrays yet. Consider the pin numbers range as 359910df4d0SMarek Vasut * continuous and allocate a single range. 360910df4d0SMarek Vasut */ 361910df4d0SMarek Vasut pfc->nr_ranges = 1; 362910df4d0SMarek Vasut pfc->ranges = kzalloc(sizeof(*pfc->ranges), GFP_KERNEL); 363910df4d0SMarek Vasut if (pfc->ranges == NULL) 364910df4d0SMarek Vasut return -ENOMEM; 365910df4d0SMarek Vasut 366910df4d0SMarek Vasut pfc->ranges->start = 0; 367910df4d0SMarek Vasut pfc->ranges->end = pfc->info->nr_pins - 1; 368910df4d0SMarek Vasut pfc->nr_gpio_pins = pfc->info->nr_pins; 369910df4d0SMarek Vasut 370910df4d0SMarek Vasut return 0; 371910df4d0SMarek Vasut } 372910df4d0SMarek Vasut 373910df4d0SMarek Vasut /* Count, allocate and fill the ranges. The PFC SoC data pins array must 374910df4d0SMarek Vasut * be sorted by pin numbers, and pins without a GPIO port must come 375910df4d0SMarek Vasut * last. 376910df4d0SMarek Vasut */ 377910df4d0SMarek Vasut for (i = 1, nr_ranges = 1; i < pfc->info->nr_pins; ++i) { 378910df4d0SMarek Vasut if (pfc->info->pins[i-1].pin != pfc->info->pins[i].pin - 1) 379910df4d0SMarek Vasut nr_ranges++; 380910df4d0SMarek Vasut } 381910df4d0SMarek Vasut 382910df4d0SMarek Vasut pfc->nr_ranges = nr_ranges; 383910df4d0SMarek Vasut pfc->ranges = kzalloc(sizeof(*pfc->ranges) * nr_ranges, GFP_KERNEL); 384910df4d0SMarek Vasut if (pfc->ranges == NULL) 385910df4d0SMarek Vasut return -ENOMEM; 386910df4d0SMarek Vasut 387910df4d0SMarek Vasut range = pfc->ranges; 388910df4d0SMarek Vasut range->start = pfc->info->pins[0].pin; 389910df4d0SMarek Vasut 390910df4d0SMarek Vasut for (i = 1; i < pfc->info->nr_pins; ++i) { 391910df4d0SMarek Vasut if (pfc->info->pins[i-1].pin == pfc->info->pins[i].pin - 1) 392910df4d0SMarek Vasut continue; 393910df4d0SMarek Vasut 394910df4d0SMarek Vasut range->end = pfc->info->pins[i-1].pin; 395910df4d0SMarek Vasut if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO)) 396910df4d0SMarek Vasut pfc->nr_gpio_pins = range->end + 1; 397910df4d0SMarek Vasut 398910df4d0SMarek Vasut range++; 399910df4d0SMarek Vasut range->start = pfc->info->pins[i].pin; 400910df4d0SMarek Vasut } 401910df4d0SMarek Vasut 402910df4d0SMarek Vasut range->end = pfc->info->pins[i-1].pin; 403910df4d0SMarek Vasut if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO)) 404910df4d0SMarek Vasut pfc->nr_gpio_pins = range->end + 1; 405910df4d0SMarek Vasut 406910df4d0SMarek Vasut return 0; 407910df4d0SMarek Vasut } 408910df4d0SMarek Vasut 409910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_pins_count(struct udevice *dev) 410910df4d0SMarek Vasut { 411910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 412910df4d0SMarek Vasut 413910df4d0SMarek Vasut return priv->pfc.info->nr_pins; 414910df4d0SMarek Vasut } 415910df4d0SMarek Vasut 416910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_pin_name(struct udevice *dev, 417910df4d0SMarek Vasut unsigned selector) 418910df4d0SMarek Vasut { 419910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 420910df4d0SMarek Vasut 421910df4d0SMarek Vasut return priv->pfc.info->pins[selector].name; 422910df4d0SMarek Vasut } 423910df4d0SMarek Vasut 424910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_groups_count(struct udevice *dev) 425910df4d0SMarek Vasut { 426910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 427910df4d0SMarek Vasut 428910df4d0SMarek Vasut return priv->pfc.info->nr_groups; 429910df4d0SMarek Vasut } 430910df4d0SMarek Vasut 431910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_group_name(struct udevice *dev, 432910df4d0SMarek Vasut unsigned selector) 433910df4d0SMarek Vasut { 434910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 435910df4d0SMarek Vasut 436910df4d0SMarek Vasut return priv->pfc.info->groups[selector].name; 437910df4d0SMarek Vasut } 438910df4d0SMarek Vasut 439910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_functions_count(struct udevice *dev) 440910df4d0SMarek Vasut { 441910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 442910df4d0SMarek Vasut 443910df4d0SMarek Vasut return priv->pfc.info->nr_functions; 444910df4d0SMarek Vasut } 445910df4d0SMarek Vasut 446910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_function_name(struct udevice *dev, 447910df4d0SMarek Vasut unsigned selector) 448910df4d0SMarek Vasut { 449910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 450910df4d0SMarek Vasut 451910df4d0SMarek Vasut return priv->pfc.info->functions[selector].name; 452910df4d0SMarek Vasut } 453910df4d0SMarek Vasut 454f6e545a7SMarek Vasut int sh_pfc_config_mux_for_gpio(struct udevice *dev, unsigned pin_selector) 455f6e545a7SMarek Vasut { 456f6e545a7SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 457f6e545a7SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 458f6e545a7SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 459f6e545a7SMarek Vasut struct sh_pfc_pin_config *cfg; 460f6e545a7SMarek Vasut const struct sh_pfc_pin *pin = NULL; 461f6e545a7SMarek Vasut int i, idx; 462f6e545a7SMarek Vasut 463f6e545a7SMarek Vasut for (i = 1; i < pfc->info->nr_pins; i++) { 464f6e545a7SMarek Vasut if (priv->pfc.info->pins[i].pin != pin_selector) 465f6e545a7SMarek Vasut continue; 466f6e545a7SMarek Vasut 467f6e545a7SMarek Vasut pin = &priv->pfc.info->pins[i]; 468f6e545a7SMarek Vasut break; 469f6e545a7SMarek Vasut } 470f6e545a7SMarek Vasut 471f6e545a7SMarek Vasut if (!pin) 472f6e545a7SMarek Vasut return -EINVAL; 473f6e545a7SMarek Vasut 474f6e545a7SMarek Vasut idx = sh_pfc_get_pin_index(pfc, pin->pin); 475f6e545a7SMarek Vasut cfg = &pmx->configs[idx]; 476f6e545a7SMarek Vasut 477f6e545a7SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) 478f6e545a7SMarek Vasut return -EBUSY; 479f6e545a7SMarek Vasut 480f6e545a7SMarek Vasut return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO); 481f6e545a7SMarek Vasut } 482f6e545a7SMarek Vasut 4832489bb54SMarek Vasut static int sh_pfc_pinctrl_pin_set(struct udevice *dev, unsigned pin_selector, 4842489bb54SMarek Vasut unsigned func_selector) 4852489bb54SMarek Vasut { 4862489bb54SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 4872489bb54SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 4882489bb54SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 4892489bb54SMarek Vasut const struct sh_pfc_pin *pin = &priv->pfc.info->pins[pin_selector]; 4902489bb54SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, pin->pin); 4912489bb54SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[idx]; 4922489bb54SMarek Vasut 4932489bb54SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) 4942489bb54SMarek Vasut return -EBUSY; 4952489bb54SMarek Vasut 4962489bb54SMarek Vasut return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_FUNCTION); 4972489bb54SMarek Vasut } 4982489bb54SMarek Vasut 499910df4d0SMarek Vasut static int sh_pfc_pinctrl_group_set(struct udevice *dev, unsigned group_selector, 500910df4d0SMarek Vasut unsigned func_selector) 501910df4d0SMarek Vasut { 502910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 503910df4d0SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 504910df4d0SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 505910df4d0SMarek Vasut const struct sh_pfc_pin_group *grp = &priv->pfc.info->groups[group_selector]; 506910df4d0SMarek Vasut unsigned int i; 507910df4d0SMarek Vasut int ret = 0; 508910df4d0SMarek Vasut 509910df4d0SMarek Vasut for (i = 0; i < grp->nr_pins; ++i) { 510910df4d0SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, grp->pins[i]); 511910df4d0SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[idx]; 512910df4d0SMarek Vasut 513910df4d0SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) { 514910df4d0SMarek Vasut ret = -EBUSY; 515910df4d0SMarek Vasut goto done; 516910df4d0SMarek Vasut } 517910df4d0SMarek Vasut } 518910df4d0SMarek Vasut 519910df4d0SMarek Vasut for (i = 0; i < grp->nr_pins; ++i) { 520910df4d0SMarek Vasut ret = sh_pfc_config_mux(pfc, grp->mux[i], PINMUX_TYPE_FUNCTION); 521910df4d0SMarek Vasut if (ret < 0) 522910df4d0SMarek Vasut break; 523910df4d0SMarek Vasut } 524910df4d0SMarek Vasut 525910df4d0SMarek Vasut done: 526910df4d0SMarek Vasut return ret; 527910df4d0SMarek Vasut } 528d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF) 529d52132c3SMarek Vasut static const struct pinconf_param sh_pfc_pinconf_params[] = { 530d52132c3SMarek Vasut { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, 531d52132c3SMarek Vasut { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, 532d52132c3SMarek Vasut { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, 533d52132c3SMarek Vasut { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, 534d52132c3SMarek Vasut { "power-source", PIN_CONFIG_POWER_SOURCE, 3300 }, 535d52132c3SMarek Vasut }; 536d52132c3SMarek Vasut 537d52132c3SMarek Vasut static void __iomem * 538d52132c3SMarek Vasut sh_pfc_pinconf_find_drive_strength_reg(struct sh_pfc *pfc, unsigned int pin, 539d52132c3SMarek Vasut unsigned int *offset, unsigned int *size) 540d52132c3SMarek Vasut { 541d52132c3SMarek Vasut const struct pinmux_drive_reg_field *field; 542d52132c3SMarek Vasut const struct pinmux_drive_reg *reg; 543d52132c3SMarek Vasut unsigned int i; 544d52132c3SMarek Vasut 545d52132c3SMarek Vasut for (reg = pfc->info->drive_regs; reg->reg; ++reg) { 546d52132c3SMarek Vasut for (i = 0; i < ARRAY_SIZE(reg->fields); ++i) { 547d52132c3SMarek Vasut field = ®->fields[i]; 548d52132c3SMarek Vasut 549d52132c3SMarek Vasut if (field->size && field->pin == pin) { 550d52132c3SMarek Vasut *offset = field->offset; 551d52132c3SMarek Vasut *size = field->size; 552d52132c3SMarek Vasut 553d52132c3SMarek Vasut return (void __iomem *)(uintptr_t)reg->reg; 554d52132c3SMarek Vasut } 555d52132c3SMarek Vasut } 556d52132c3SMarek Vasut } 557d52132c3SMarek Vasut 558d52132c3SMarek Vasut return NULL; 559d52132c3SMarek Vasut } 560d52132c3SMarek Vasut 561d52132c3SMarek Vasut static int sh_pfc_pinconf_set_drive_strength(struct sh_pfc *pfc, 562d52132c3SMarek Vasut unsigned int pin, u16 strength) 563d52132c3SMarek Vasut { 564d52132c3SMarek Vasut unsigned int offset; 565d52132c3SMarek Vasut unsigned int size; 566d52132c3SMarek Vasut unsigned int step; 567d52132c3SMarek Vasut void __iomem *reg; 568d52132c3SMarek Vasut void __iomem *unlock_reg = 569d52132c3SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 570d52132c3SMarek Vasut u32 val; 571d52132c3SMarek Vasut 572d52132c3SMarek Vasut reg = sh_pfc_pinconf_find_drive_strength_reg(pfc, pin, &offset, &size); 573d52132c3SMarek Vasut if (!reg) 574d52132c3SMarek Vasut return -EINVAL; 575d52132c3SMarek Vasut 576d52132c3SMarek Vasut step = size == 2 ? 6 : 3; 577d52132c3SMarek Vasut 578d52132c3SMarek Vasut if (strength < step || strength > 24) 579d52132c3SMarek Vasut return -EINVAL; 580d52132c3SMarek Vasut 581d52132c3SMarek Vasut /* Convert the value from mA based on a full drive strength value of 582d52132c3SMarek Vasut * 24mA. We can make the full value configurable later if needed. 583d52132c3SMarek Vasut */ 584d52132c3SMarek Vasut strength = strength / step - 1; 585d52132c3SMarek Vasut 586d52132c3SMarek Vasut val = sh_pfc_read_raw_reg(reg, 32); 587d52132c3SMarek Vasut val &= ~GENMASK(offset + size - 1, offset); 588d52132c3SMarek Vasut val |= strength << offset; 589d52132c3SMarek Vasut 590d52132c3SMarek Vasut if (unlock_reg) 591d52132c3SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~val); 592d52132c3SMarek Vasut 593d52132c3SMarek Vasut sh_pfc_write_raw_reg(reg, 32, val); 594d52132c3SMarek Vasut 595d52132c3SMarek Vasut return 0; 596d52132c3SMarek Vasut } 597d52132c3SMarek Vasut 598d52132c3SMarek Vasut /* Check whether the requested parameter is supported for a pin. */ 599d52132c3SMarek Vasut static bool sh_pfc_pinconf_validate(struct sh_pfc *pfc, unsigned int _pin, 600d52132c3SMarek Vasut unsigned int param) 601d52132c3SMarek Vasut { 602d52132c3SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, _pin); 603d52132c3SMarek Vasut const struct sh_pfc_pin *pin = &pfc->info->pins[idx]; 604d52132c3SMarek Vasut 605d52132c3SMarek Vasut switch (param) { 606d52132c3SMarek Vasut case PIN_CONFIG_BIAS_DISABLE: 607d52132c3SMarek Vasut return pin->configs & 608d52132c3SMarek Vasut (SH_PFC_PIN_CFG_PULL_UP | SH_PFC_PIN_CFG_PULL_DOWN); 609d52132c3SMarek Vasut 610d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_UP: 611d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_PULL_UP; 612d52132c3SMarek Vasut 613d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_DOWN: 614d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_PULL_DOWN; 615d52132c3SMarek Vasut 616d52132c3SMarek Vasut case PIN_CONFIG_DRIVE_STRENGTH: 617d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_DRIVE_STRENGTH; 618d52132c3SMarek Vasut 619d52132c3SMarek Vasut case PIN_CONFIG_POWER_SOURCE: 620d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_IO_VOLTAGE; 621d52132c3SMarek Vasut 622d52132c3SMarek Vasut default: 623d52132c3SMarek Vasut return false; 624d52132c3SMarek Vasut } 625d52132c3SMarek Vasut } 626d52132c3SMarek Vasut 627d52132c3SMarek Vasut static int sh_pfc_pinconf_set(struct sh_pfc_pinctrl *pmx, unsigned _pin, 628d52132c3SMarek Vasut unsigned int param, unsigned int arg) 629d52132c3SMarek Vasut { 630d52132c3SMarek Vasut struct sh_pfc *pfc = pmx->pfc; 631d52132c3SMarek Vasut void __iomem *pocctrl; 632d52132c3SMarek Vasut void __iomem *unlock_reg = 633d52132c3SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 634d52132c3SMarek Vasut u32 addr, val; 635d52132c3SMarek Vasut int bit, ret; 636d52132c3SMarek Vasut 637d52132c3SMarek Vasut if (!sh_pfc_pinconf_validate(pfc, _pin, param)) 638d52132c3SMarek Vasut return -ENOTSUPP; 639d52132c3SMarek Vasut 640d52132c3SMarek Vasut switch (param) { 641d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_UP: 642d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_DOWN: 643d52132c3SMarek Vasut case PIN_CONFIG_BIAS_DISABLE: 644d52132c3SMarek Vasut if (!pfc->info->ops || !pfc->info->ops->set_bias) 645d52132c3SMarek Vasut return -ENOTSUPP; 646d52132c3SMarek Vasut 647d52132c3SMarek Vasut pfc->info->ops->set_bias(pfc, _pin, param); 648d52132c3SMarek Vasut 649d52132c3SMarek Vasut break; 650d52132c3SMarek Vasut 651d52132c3SMarek Vasut case PIN_CONFIG_DRIVE_STRENGTH: 652d52132c3SMarek Vasut ret = sh_pfc_pinconf_set_drive_strength(pfc, _pin, arg); 653d52132c3SMarek Vasut if (ret < 0) 654d52132c3SMarek Vasut return ret; 655d52132c3SMarek Vasut 656d52132c3SMarek Vasut break; 657d52132c3SMarek Vasut 658d52132c3SMarek Vasut case PIN_CONFIG_POWER_SOURCE: 659d52132c3SMarek Vasut if (!pfc->info->ops || !pfc->info->ops->pin_to_pocctrl) 660d52132c3SMarek Vasut return -ENOTSUPP; 661d52132c3SMarek Vasut 662d52132c3SMarek Vasut bit = pfc->info->ops->pin_to_pocctrl(pfc, _pin, &addr); 663d52132c3SMarek Vasut if (bit < 0) { 664d52132c3SMarek Vasut printf("invalid pin %#x", _pin); 665d52132c3SMarek Vasut return bit; 666d52132c3SMarek Vasut } 667d52132c3SMarek Vasut 668d52132c3SMarek Vasut if (arg != 1800 && arg != 3300) 669d52132c3SMarek Vasut return -EINVAL; 670d52132c3SMarek Vasut 671d52132c3SMarek Vasut pocctrl = (void __iomem *)(uintptr_t)addr; 672d52132c3SMarek Vasut 673d52132c3SMarek Vasut val = sh_pfc_read_raw_reg(pocctrl, 32); 674d52132c3SMarek Vasut if (arg == 3300) 675d52132c3SMarek Vasut val |= BIT(bit); 676d52132c3SMarek Vasut else 677d52132c3SMarek Vasut val &= ~BIT(bit); 678d52132c3SMarek Vasut 679d52132c3SMarek Vasut if (unlock_reg) 680d52132c3SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~val); 681d52132c3SMarek Vasut 682d52132c3SMarek Vasut sh_pfc_write_raw_reg(pocctrl, 32, val); 683d52132c3SMarek Vasut 684d52132c3SMarek Vasut break; 685d52132c3SMarek Vasut 686d52132c3SMarek Vasut default: 687d52132c3SMarek Vasut return -ENOTSUPP; 688d52132c3SMarek Vasut } 689d52132c3SMarek Vasut 690d52132c3SMarek Vasut return 0; 691d52132c3SMarek Vasut } 692d52132c3SMarek Vasut 6932489bb54SMarek Vasut static int sh_pfc_pinconf_pin_set(struct udevice *dev, 6942489bb54SMarek Vasut unsigned int pin_selector, 6952489bb54SMarek Vasut unsigned int param, unsigned int arg) 6962489bb54SMarek Vasut { 6972489bb54SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 6982489bb54SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 6992489bb54SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 7002489bb54SMarek Vasut const struct sh_pfc_pin *pin = &pfc->info->pins[pin_selector]; 7012489bb54SMarek Vasut 7022489bb54SMarek Vasut sh_pfc_pinconf_set(pmx, pin->pin, param, arg); 7032489bb54SMarek Vasut 7042489bb54SMarek Vasut return 0; 7052489bb54SMarek Vasut } 706d52132c3SMarek Vasut 707d52132c3SMarek Vasut static int sh_pfc_pinconf_group_set(struct udevice *dev, 708d52132c3SMarek Vasut unsigned int group_selector, 709d52132c3SMarek Vasut unsigned int param, unsigned int arg) 710d52132c3SMarek Vasut { 711d52132c3SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 712d52132c3SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 713d52132c3SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 714d52132c3SMarek Vasut const struct sh_pfc_pin_group *grp = &pfc->info->groups[group_selector]; 715d52132c3SMarek Vasut unsigned int i; 716d52132c3SMarek Vasut 717d52132c3SMarek Vasut for (i = 0; i < grp->nr_pins; i++) 718d52132c3SMarek Vasut sh_pfc_pinconf_set(pmx, grp->pins[i], param, arg); 719d52132c3SMarek Vasut 720d52132c3SMarek Vasut return 0; 721d52132c3SMarek Vasut } 722d52132c3SMarek Vasut #endif 723910df4d0SMarek Vasut 724910df4d0SMarek Vasut static struct pinctrl_ops sh_pfc_pinctrl_ops = { 725910df4d0SMarek Vasut .get_pins_count = sh_pfc_pinctrl_get_pins_count, 726910df4d0SMarek Vasut .get_pin_name = sh_pfc_pinctrl_get_pin_name, 727910df4d0SMarek Vasut .get_groups_count = sh_pfc_pinctrl_get_groups_count, 728910df4d0SMarek Vasut .get_group_name = sh_pfc_pinctrl_get_group_name, 729910df4d0SMarek Vasut .get_functions_count = sh_pfc_pinctrl_get_functions_count, 730910df4d0SMarek Vasut .get_function_name = sh_pfc_pinctrl_get_function_name, 731910df4d0SMarek Vasut 732d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF) 733d52132c3SMarek Vasut .pinconf_num_params = ARRAY_SIZE(sh_pfc_pinconf_params), 734d52132c3SMarek Vasut .pinconf_params = sh_pfc_pinconf_params, 7352489bb54SMarek Vasut .pinconf_set = sh_pfc_pinconf_pin_set, 736d52132c3SMarek Vasut .pinconf_group_set = sh_pfc_pinconf_group_set, 737d52132c3SMarek Vasut #endif 7382489bb54SMarek Vasut .pinmux_set = sh_pfc_pinctrl_pin_set, 739910df4d0SMarek Vasut .pinmux_group_set = sh_pfc_pinctrl_group_set, 740910df4d0SMarek Vasut .set_state = pinctrl_generic_set_state, 741910df4d0SMarek Vasut }; 742910df4d0SMarek Vasut 743910df4d0SMarek Vasut static int sh_pfc_map_pins(struct sh_pfc *pfc, struct sh_pfc_pinctrl *pmx) 744910df4d0SMarek Vasut { 745910df4d0SMarek Vasut unsigned int i; 746910df4d0SMarek Vasut 747910df4d0SMarek Vasut /* Allocate and initialize the pins and configs arrays. */ 748910df4d0SMarek Vasut pmx->configs = kzalloc(sizeof(*pmx->configs) * pfc->info->nr_pins, 749910df4d0SMarek Vasut GFP_KERNEL); 750910df4d0SMarek Vasut if (unlikely(!pmx->configs)) 751910df4d0SMarek Vasut return -ENOMEM; 752910df4d0SMarek Vasut 753910df4d0SMarek Vasut for (i = 0; i < pfc->info->nr_pins; ++i) { 754910df4d0SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[i]; 755910df4d0SMarek Vasut cfg->type = PINMUX_TYPE_NONE; 756910df4d0SMarek Vasut } 757910df4d0SMarek Vasut 758910df4d0SMarek Vasut return 0; 759910df4d0SMarek Vasut } 760910df4d0SMarek Vasut 761910df4d0SMarek Vasut 762910df4d0SMarek Vasut static int sh_pfc_pinctrl_probe(struct udevice *dev) 763910df4d0SMarek Vasut { 764910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 765910df4d0SMarek Vasut enum sh_pfc_model model = dev_get_driver_data(dev); 766910df4d0SMarek Vasut fdt_addr_t base; 767910df4d0SMarek Vasut 768910df4d0SMarek Vasut base = devfdt_get_addr(dev); 769910df4d0SMarek Vasut if (base == FDT_ADDR_T_NONE) 770910df4d0SMarek Vasut return -EINVAL; 771910df4d0SMarek Vasut 772910df4d0SMarek Vasut priv->pfc.regs = devm_ioremap(dev, base, SZ_2K); 773910df4d0SMarek Vasut if (!priv->pfc.regs) 774910df4d0SMarek Vasut return -ENOMEM; 775910df4d0SMarek Vasut 776*7547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790 777*7547ad4cSMarek Vasut if (model == SH_PFC_R8A7790) 778*7547ad4cSMarek Vasut priv->pfc.info = &r8a7790_pinmux_info; 779*7547ad4cSMarek Vasut #endif 780910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795 781910df4d0SMarek Vasut if (model == SH_PFC_R8A7795) 782910df4d0SMarek Vasut priv->pfc.info = &r8a7795_pinmux_info; 783910df4d0SMarek Vasut #endif 784910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796 785910df4d0SMarek Vasut if (model == SH_PFC_R8A7796) 786910df4d0SMarek Vasut priv->pfc.info = &r8a7796_pinmux_info; 787910df4d0SMarek Vasut #endif 788c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970 789c106bb53SMarek Vasut if (model == SH_PFC_R8A77970) 790c106bb53SMarek Vasut priv->pfc.info = &r8a77970_pinmux_info; 791c106bb53SMarek Vasut #endif 792a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995 793a59e6976SMarek Vasut if (model == SH_PFC_R8A77995) 794a59e6976SMarek Vasut priv->pfc.info = &r8a77995_pinmux_info; 795a59e6976SMarek Vasut #endif 796910df4d0SMarek Vasut 797910df4d0SMarek Vasut priv->pmx.pfc = &priv->pfc; 798910df4d0SMarek Vasut sh_pfc_init_ranges(&priv->pfc); 799910df4d0SMarek Vasut sh_pfc_map_pins(&priv->pfc, &priv->pmx); 800910df4d0SMarek Vasut 801910df4d0SMarek Vasut return 0; 802910df4d0SMarek Vasut } 803910df4d0SMarek Vasut 804910df4d0SMarek Vasut static const struct udevice_id sh_pfc_pinctrl_ids[] = { 805*7547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790 806*7547ad4cSMarek Vasut { 807*7547ad4cSMarek Vasut .compatible = "renesas,pfc-r8a7790", 808*7547ad4cSMarek Vasut .data = SH_PFC_R8A7790, 809*7547ad4cSMarek Vasut }, 810*7547ad4cSMarek Vasut #endif 811910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795 812910df4d0SMarek Vasut { 813910df4d0SMarek Vasut .compatible = "renesas,pfc-r8a7795", 814910df4d0SMarek Vasut .data = SH_PFC_R8A7795, 815910df4d0SMarek Vasut }, 816910df4d0SMarek Vasut #endif 817910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796 818910df4d0SMarek Vasut { 819910df4d0SMarek Vasut .compatible = "renesas,pfc-r8a7796", 820910df4d0SMarek Vasut .data = SH_PFC_R8A7796, 821910df4d0SMarek Vasut }, 822910df4d0SMarek Vasut #endif 823c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970 824c106bb53SMarek Vasut { 825c106bb53SMarek Vasut .compatible = "renesas,pfc-r8a77970", 826c106bb53SMarek Vasut .data = SH_PFC_R8A77970, 827c106bb53SMarek Vasut }, 828c106bb53SMarek Vasut #endif 829a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995 830a59e6976SMarek Vasut { 831a59e6976SMarek Vasut .compatible = "renesas,pfc-r8a77995", 832a59e6976SMarek Vasut .data = SH_PFC_R8A77995, 833a59e6976SMarek Vasut }, 834a59e6976SMarek Vasut #endif 835910df4d0SMarek Vasut { }, 836910df4d0SMarek Vasut }; 837910df4d0SMarek Vasut 838910df4d0SMarek Vasut U_BOOT_DRIVER(pinctrl_sh_pfc) = { 839910df4d0SMarek Vasut .name = "sh_pfc_pinctrl", 840910df4d0SMarek Vasut .id = UCLASS_PINCTRL, 841910df4d0SMarek Vasut .of_match = sh_pfc_pinctrl_ids, 842910df4d0SMarek Vasut .priv_auto_alloc_size = sizeof(struct sh_pfc_pinctrl_priv), 843910df4d0SMarek Vasut .ops = &sh_pfc_pinctrl_ops, 844910df4d0SMarek Vasut .probe = sh_pfc_pinctrl_probe, 845910df4d0SMarek Vasut }; 846