183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0 2910df4d0SMarek Vasut /* 3910df4d0SMarek Vasut * Pin Control driver for SuperH Pin Function Controller. 4910df4d0SMarek Vasut * 5910df4d0SMarek Vasut * Authors: Magnus Damm, Paul Mundt, Laurent Pinchart 6910df4d0SMarek Vasut * 7910df4d0SMarek Vasut * Copyright (C) 2008 Magnus Damm 8910df4d0SMarek Vasut * Copyright (C) 2009 - 2012 Paul Mundt 9910df4d0SMarek Vasut * Copyright (C) 2017 Marek Vasut 10910df4d0SMarek Vasut */ 11910df4d0SMarek Vasut 12910df4d0SMarek Vasut #define DRV_NAME "sh-pfc" 13910df4d0SMarek Vasut 14910df4d0SMarek Vasut #include <common.h> 15910df4d0SMarek Vasut #include <dm.h> 16910df4d0SMarek Vasut #include <errno.h> 17910df4d0SMarek Vasut #include <dm/pinctrl.h> 18910df4d0SMarek Vasut #include <linux/io.h> 19910df4d0SMarek Vasut #include <linux/sizes.h> 20910df4d0SMarek Vasut 21910df4d0SMarek Vasut #include "sh_pfc.h" 22910df4d0SMarek Vasut 23910df4d0SMarek Vasut enum sh_pfc_model { 247547ad4cSMarek Vasut SH_PFC_R8A7790 = 0, 25427c75dfSMarek Vasut SH_PFC_R8A7791, 26ab2d09b4SMarek Vasut SH_PFC_R8A7792, 27427c75dfSMarek Vasut SH_PFC_R8A7793, 2834e93605SMarek Vasut SH_PFC_R8A7794, 297547ad4cSMarek Vasut SH_PFC_R8A7795, 30910df4d0SMarek Vasut SH_PFC_R8A7796, 31c106bb53SMarek Vasut SH_PFC_R8A77970, 32*cb13e46aSMarek Vasut SH_PFC_R8A77990, 33a59e6976SMarek Vasut SH_PFC_R8A77995, 34910df4d0SMarek Vasut }; 35910df4d0SMarek Vasut 36910df4d0SMarek Vasut struct sh_pfc_pin_config { 37910df4d0SMarek Vasut u32 type; 38910df4d0SMarek Vasut }; 39910df4d0SMarek Vasut 40910df4d0SMarek Vasut struct sh_pfc_pinctrl { 41910df4d0SMarek Vasut struct sh_pfc *pfc; 42910df4d0SMarek Vasut 43910df4d0SMarek Vasut struct sh_pfc_pin_config *configs; 44910df4d0SMarek Vasut 45910df4d0SMarek Vasut const char *func_prop_name; 46910df4d0SMarek Vasut const char *groups_prop_name; 47910df4d0SMarek Vasut const char *pins_prop_name; 48910df4d0SMarek Vasut }; 49910df4d0SMarek Vasut 50910df4d0SMarek Vasut struct sh_pfc_pin_range { 51910df4d0SMarek Vasut u16 start; 52910df4d0SMarek Vasut u16 end; 53910df4d0SMarek Vasut }; 54910df4d0SMarek Vasut 55910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv { 56910df4d0SMarek Vasut struct sh_pfc pfc; 57910df4d0SMarek Vasut struct sh_pfc_pinctrl pmx; 58910df4d0SMarek Vasut }; 59910df4d0SMarek Vasut 60910df4d0SMarek Vasut int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin) 61910df4d0SMarek Vasut { 62910df4d0SMarek Vasut unsigned int offset; 63910df4d0SMarek Vasut unsigned int i; 64910df4d0SMarek Vasut 65910df4d0SMarek Vasut for (i = 0, offset = 0; i < pfc->nr_ranges; ++i) { 66910df4d0SMarek Vasut const struct sh_pfc_pin_range *range = &pfc->ranges[i]; 67910df4d0SMarek Vasut 68910df4d0SMarek Vasut if (pin <= range->end) 69910df4d0SMarek Vasut return pin >= range->start 70910df4d0SMarek Vasut ? offset + pin - range->start : -1; 71910df4d0SMarek Vasut 72910df4d0SMarek Vasut offset += range->end - range->start + 1; 73910df4d0SMarek Vasut } 74910df4d0SMarek Vasut 75910df4d0SMarek Vasut return -EINVAL; 76910df4d0SMarek Vasut } 77910df4d0SMarek Vasut 78910df4d0SMarek Vasut static int sh_pfc_enum_in_range(u16 enum_id, const struct pinmux_range *r) 79910df4d0SMarek Vasut { 80910df4d0SMarek Vasut if (enum_id < r->begin) 81910df4d0SMarek Vasut return 0; 82910df4d0SMarek Vasut 83910df4d0SMarek Vasut if (enum_id > r->end) 84910df4d0SMarek Vasut return 0; 85910df4d0SMarek Vasut 86910df4d0SMarek Vasut return 1; 87910df4d0SMarek Vasut } 88910df4d0SMarek Vasut 89910df4d0SMarek Vasut u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width) 90910df4d0SMarek Vasut { 91910df4d0SMarek Vasut switch (reg_width) { 92910df4d0SMarek Vasut case 8: 93910df4d0SMarek Vasut return readb(mapped_reg); 94910df4d0SMarek Vasut case 16: 95910df4d0SMarek Vasut return readw(mapped_reg); 96910df4d0SMarek Vasut case 32: 97910df4d0SMarek Vasut return readl(mapped_reg); 98910df4d0SMarek Vasut } 99910df4d0SMarek Vasut 100910df4d0SMarek Vasut BUG(); 101910df4d0SMarek Vasut return 0; 102910df4d0SMarek Vasut } 103910df4d0SMarek Vasut 104910df4d0SMarek Vasut void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width, 105910df4d0SMarek Vasut u32 data) 106910df4d0SMarek Vasut { 107910df4d0SMarek Vasut switch (reg_width) { 108910df4d0SMarek Vasut case 8: 109910df4d0SMarek Vasut writeb(data, mapped_reg); 110910df4d0SMarek Vasut return; 111910df4d0SMarek Vasut case 16: 112910df4d0SMarek Vasut writew(data, mapped_reg); 113910df4d0SMarek Vasut return; 114910df4d0SMarek Vasut case 32: 115910df4d0SMarek Vasut writel(data, mapped_reg); 116910df4d0SMarek Vasut return; 117910df4d0SMarek Vasut } 118910df4d0SMarek Vasut 119910df4d0SMarek Vasut BUG(); 120910df4d0SMarek Vasut } 121910df4d0SMarek Vasut 122910df4d0SMarek Vasut u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width) 123910df4d0SMarek Vasut { 124910df4d0SMarek Vasut return sh_pfc_read_raw_reg(pfc->regs + reg, width); 125910df4d0SMarek Vasut } 126910df4d0SMarek Vasut 127910df4d0SMarek Vasut void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width, u32 data) 128910df4d0SMarek Vasut { 129910df4d0SMarek Vasut void __iomem *unlock_reg = 130910df4d0SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 131910df4d0SMarek Vasut 132910df4d0SMarek Vasut if (pfc->info->unlock_reg) 133910df4d0SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~data); 134910df4d0SMarek Vasut 135910df4d0SMarek Vasut sh_pfc_write_raw_reg(pfc->regs + reg, width, data); 136910df4d0SMarek Vasut } 137910df4d0SMarek Vasut 138910df4d0SMarek Vasut static void sh_pfc_config_reg_helper(struct sh_pfc *pfc, 139910df4d0SMarek Vasut const struct pinmux_cfg_reg *crp, 140910df4d0SMarek Vasut unsigned int in_pos, 141910df4d0SMarek Vasut void __iomem **mapped_regp, u32 *maskp, 142910df4d0SMarek Vasut unsigned int *posp) 143910df4d0SMarek Vasut { 144910df4d0SMarek Vasut unsigned int k; 145910df4d0SMarek Vasut 146910df4d0SMarek Vasut *mapped_regp = (void __iomem *)(uintptr_t)crp->reg; 147910df4d0SMarek Vasut 148910df4d0SMarek Vasut if (crp->field_width) { 149910df4d0SMarek Vasut *maskp = (1 << crp->field_width) - 1; 150910df4d0SMarek Vasut *posp = crp->reg_width - ((in_pos + 1) * crp->field_width); 151910df4d0SMarek Vasut } else { 152910df4d0SMarek Vasut *maskp = (1 << crp->var_field_width[in_pos]) - 1; 153910df4d0SMarek Vasut *posp = crp->reg_width; 154910df4d0SMarek Vasut for (k = 0; k <= in_pos; k++) 155910df4d0SMarek Vasut *posp -= crp->var_field_width[k]; 156910df4d0SMarek Vasut } 157910df4d0SMarek Vasut } 158910df4d0SMarek Vasut 159910df4d0SMarek Vasut static void sh_pfc_write_config_reg(struct sh_pfc *pfc, 160910df4d0SMarek Vasut const struct pinmux_cfg_reg *crp, 161910df4d0SMarek Vasut unsigned int field, u32 value) 162910df4d0SMarek Vasut { 163910df4d0SMarek Vasut void __iomem *mapped_reg; 164910df4d0SMarek Vasut void __iomem *unlock_reg = 165910df4d0SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 166910df4d0SMarek Vasut unsigned int pos; 167910df4d0SMarek Vasut u32 mask, data; 168910df4d0SMarek Vasut 169910df4d0SMarek Vasut sh_pfc_config_reg_helper(pfc, crp, field, &mapped_reg, &mask, &pos); 170910df4d0SMarek Vasut 171910df4d0SMarek Vasut dev_dbg(pfc->dev, "write_reg addr = %x, value = 0x%x, field = %u, " 172910df4d0SMarek Vasut "r_width = %u, f_width = %u\n", 173910df4d0SMarek Vasut crp->reg, value, field, crp->reg_width, crp->field_width); 174910df4d0SMarek Vasut 175910df4d0SMarek Vasut mask = ~(mask << pos); 176910df4d0SMarek Vasut value = value << pos; 177910df4d0SMarek Vasut 178910df4d0SMarek Vasut data = sh_pfc_read_raw_reg(mapped_reg, crp->reg_width); 179910df4d0SMarek Vasut data &= mask; 180910df4d0SMarek Vasut data |= value; 181910df4d0SMarek Vasut 182910df4d0SMarek Vasut if (pfc->info->unlock_reg) 183910df4d0SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~data); 184910df4d0SMarek Vasut 185910df4d0SMarek Vasut sh_pfc_write_raw_reg(mapped_reg, crp->reg_width, data); 186910df4d0SMarek Vasut } 187910df4d0SMarek Vasut 188910df4d0SMarek Vasut static int sh_pfc_get_config_reg(struct sh_pfc *pfc, u16 enum_id, 189910df4d0SMarek Vasut const struct pinmux_cfg_reg **crp, 190910df4d0SMarek Vasut unsigned int *fieldp, u32 *valuep) 191910df4d0SMarek Vasut { 192910df4d0SMarek Vasut unsigned int k = 0; 193910df4d0SMarek Vasut 194910df4d0SMarek Vasut while (1) { 195910df4d0SMarek Vasut const struct pinmux_cfg_reg *config_reg = 196910df4d0SMarek Vasut pfc->info->cfg_regs + k; 197910df4d0SMarek Vasut unsigned int r_width = config_reg->reg_width; 198910df4d0SMarek Vasut unsigned int f_width = config_reg->field_width; 199910df4d0SMarek Vasut unsigned int curr_width; 200910df4d0SMarek Vasut unsigned int bit_pos; 201910df4d0SMarek Vasut unsigned int pos = 0; 202910df4d0SMarek Vasut unsigned int m = 0; 203910df4d0SMarek Vasut 204910df4d0SMarek Vasut if (!r_width) 205910df4d0SMarek Vasut break; 206910df4d0SMarek Vasut 207910df4d0SMarek Vasut for (bit_pos = 0; bit_pos < r_width; bit_pos += curr_width) { 208910df4d0SMarek Vasut u32 ncomb; 209910df4d0SMarek Vasut u32 n; 210910df4d0SMarek Vasut 211910df4d0SMarek Vasut if (f_width) 212910df4d0SMarek Vasut curr_width = f_width; 213910df4d0SMarek Vasut else 214910df4d0SMarek Vasut curr_width = config_reg->var_field_width[m]; 215910df4d0SMarek Vasut 216910df4d0SMarek Vasut ncomb = 1 << curr_width; 217910df4d0SMarek Vasut for (n = 0; n < ncomb; n++) { 218910df4d0SMarek Vasut if (config_reg->enum_ids[pos + n] == enum_id) { 219910df4d0SMarek Vasut *crp = config_reg; 220910df4d0SMarek Vasut *fieldp = m; 221910df4d0SMarek Vasut *valuep = n; 222910df4d0SMarek Vasut return 0; 223910df4d0SMarek Vasut } 224910df4d0SMarek Vasut } 225910df4d0SMarek Vasut pos += ncomb; 226910df4d0SMarek Vasut m++; 227910df4d0SMarek Vasut } 228910df4d0SMarek Vasut k++; 229910df4d0SMarek Vasut } 230910df4d0SMarek Vasut 231910df4d0SMarek Vasut return -EINVAL; 232910df4d0SMarek Vasut } 233910df4d0SMarek Vasut 234910df4d0SMarek Vasut static int sh_pfc_mark_to_enum(struct sh_pfc *pfc, u16 mark, int pos, 235910df4d0SMarek Vasut u16 *enum_idp) 236910df4d0SMarek Vasut { 237910df4d0SMarek Vasut const u16 *data = pfc->info->pinmux_data; 238910df4d0SMarek Vasut unsigned int k; 239910df4d0SMarek Vasut 240910df4d0SMarek Vasut if (pos) { 241910df4d0SMarek Vasut *enum_idp = data[pos + 1]; 242910df4d0SMarek Vasut return pos + 1; 243910df4d0SMarek Vasut } 244910df4d0SMarek Vasut 245910df4d0SMarek Vasut for (k = 0; k < pfc->info->pinmux_data_size; k++) { 246910df4d0SMarek Vasut if (data[k] == mark) { 247910df4d0SMarek Vasut *enum_idp = data[k + 1]; 248910df4d0SMarek Vasut return k + 1; 249910df4d0SMarek Vasut } 250910df4d0SMarek Vasut } 251910df4d0SMarek Vasut 252910df4d0SMarek Vasut dev_err(pfc->dev, "cannot locate data/mark enum_id for mark %d\n", 253910df4d0SMarek Vasut mark); 254910df4d0SMarek Vasut return -EINVAL; 255910df4d0SMarek Vasut } 256910df4d0SMarek Vasut 257910df4d0SMarek Vasut int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type) 258910df4d0SMarek Vasut { 259910df4d0SMarek Vasut const struct pinmux_range *range; 260910df4d0SMarek Vasut int pos = 0; 261910df4d0SMarek Vasut 262910df4d0SMarek Vasut switch (pinmux_type) { 263910df4d0SMarek Vasut case PINMUX_TYPE_GPIO: 264910df4d0SMarek Vasut case PINMUX_TYPE_FUNCTION: 265910df4d0SMarek Vasut range = NULL; 266910df4d0SMarek Vasut break; 267910df4d0SMarek Vasut 268910df4d0SMarek Vasut case PINMUX_TYPE_OUTPUT: 269910df4d0SMarek Vasut range = &pfc->info->output; 270910df4d0SMarek Vasut break; 271910df4d0SMarek Vasut 272910df4d0SMarek Vasut case PINMUX_TYPE_INPUT: 273910df4d0SMarek Vasut range = &pfc->info->input; 274910df4d0SMarek Vasut break; 275910df4d0SMarek Vasut 276910df4d0SMarek Vasut default: 277910df4d0SMarek Vasut return -EINVAL; 278910df4d0SMarek Vasut } 279910df4d0SMarek Vasut 280910df4d0SMarek Vasut /* Iterate over all the configuration fields we need to update. */ 281910df4d0SMarek Vasut while (1) { 282910df4d0SMarek Vasut const struct pinmux_cfg_reg *cr; 283910df4d0SMarek Vasut unsigned int field; 284910df4d0SMarek Vasut u16 enum_id; 285910df4d0SMarek Vasut u32 value; 286910df4d0SMarek Vasut int in_range; 287910df4d0SMarek Vasut int ret; 288910df4d0SMarek Vasut 289910df4d0SMarek Vasut pos = sh_pfc_mark_to_enum(pfc, mark, pos, &enum_id); 290910df4d0SMarek Vasut if (pos < 0) 291910df4d0SMarek Vasut return pos; 292910df4d0SMarek Vasut 293910df4d0SMarek Vasut if (!enum_id) 294910df4d0SMarek Vasut break; 295910df4d0SMarek Vasut 296910df4d0SMarek Vasut /* Check if the configuration field selects a function. If it 297910df4d0SMarek Vasut * doesn't, skip the field if it's not applicable to the 298910df4d0SMarek Vasut * requested pinmux type. 299910df4d0SMarek Vasut */ 300910df4d0SMarek Vasut in_range = sh_pfc_enum_in_range(enum_id, &pfc->info->function); 301910df4d0SMarek Vasut if (!in_range) { 302910df4d0SMarek Vasut if (pinmux_type == PINMUX_TYPE_FUNCTION) { 303910df4d0SMarek Vasut /* Functions are allowed to modify all 304910df4d0SMarek Vasut * fields. 305910df4d0SMarek Vasut */ 306910df4d0SMarek Vasut in_range = 1; 307910df4d0SMarek Vasut } else if (pinmux_type != PINMUX_TYPE_GPIO) { 308910df4d0SMarek Vasut /* Input/output types can only modify fields 309910df4d0SMarek Vasut * that correspond to their respective ranges. 310910df4d0SMarek Vasut */ 311910df4d0SMarek Vasut in_range = sh_pfc_enum_in_range(enum_id, range); 312910df4d0SMarek Vasut 313910df4d0SMarek Vasut /* 314910df4d0SMarek Vasut * special case pass through for fixed 315910df4d0SMarek Vasut * input-only or output-only pins without 316910df4d0SMarek Vasut * function enum register association. 317910df4d0SMarek Vasut */ 318910df4d0SMarek Vasut if (in_range && enum_id == range->force) 319910df4d0SMarek Vasut continue; 320910df4d0SMarek Vasut } 321910df4d0SMarek Vasut /* GPIOs are only allowed to modify function fields. */ 322910df4d0SMarek Vasut } 323910df4d0SMarek Vasut 324910df4d0SMarek Vasut if (!in_range) 325910df4d0SMarek Vasut continue; 326910df4d0SMarek Vasut 327910df4d0SMarek Vasut ret = sh_pfc_get_config_reg(pfc, enum_id, &cr, &field, &value); 328910df4d0SMarek Vasut if (ret < 0) 329910df4d0SMarek Vasut return ret; 330910df4d0SMarek Vasut 331910df4d0SMarek Vasut sh_pfc_write_config_reg(pfc, cr, field, value); 332910df4d0SMarek Vasut } 333910df4d0SMarek Vasut 334910df4d0SMarek Vasut return 0; 335910df4d0SMarek Vasut } 336910df4d0SMarek Vasut 337910df4d0SMarek Vasut const struct sh_pfc_bias_info * 338910df4d0SMarek Vasut sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info, 339910df4d0SMarek Vasut unsigned int num, unsigned int pin) 340910df4d0SMarek Vasut { 341910df4d0SMarek Vasut unsigned int i; 342910df4d0SMarek Vasut 343910df4d0SMarek Vasut for (i = 0; i < num; i++) 344910df4d0SMarek Vasut if (info[i].pin == pin) 345910df4d0SMarek Vasut return &info[i]; 346910df4d0SMarek Vasut 347910df4d0SMarek Vasut printf("Pin %u is not in bias info list\n", pin); 348910df4d0SMarek Vasut 349910df4d0SMarek Vasut return NULL; 350910df4d0SMarek Vasut } 351910df4d0SMarek Vasut 352910df4d0SMarek Vasut static int sh_pfc_init_ranges(struct sh_pfc *pfc) 353910df4d0SMarek Vasut { 354910df4d0SMarek Vasut struct sh_pfc_pin_range *range; 355910df4d0SMarek Vasut unsigned int nr_ranges; 356910df4d0SMarek Vasut unsigned int i; 357910df4d0SMarek Vasut 358910df4d0SMarek Vasut if (pfc->info->pins[0].pin == (u16)-1) { 359910df4d0SMarek Vasut /* Pin number -1 denotes that the SoC doesn't report pin numbers 360910df4d0SMarek Vasut * in its pin arrays yet. Consider the pin numbers range as 361910df4d0SMarek Vasut * continuous and allocate a single range. 362910df4d0SMarek Vasut */ 363910df4d0SMarek Vasut pfc->nr_ranges = 1; 364910df4d0SMarek Vasut pfc->ranges = kzalloc(sizeof(*pfc->ranges), GFP_KERNEL); 365910df4d0SMarek Vasut if (pfc->ranges == NULL) 366910df4d0SMarek Vasut return -ENOMEM; 367910df4d0SMarek Vasut 368910df4d0SMarek Vasut pfc->ranges->start = 0; 369910df4d0SMarek Vasut pfc->ranges->end = pfc->info->nr_pins - 1; 370910df4d0SMarek Vasut pfc->nr_gpio_pins = pfc->info->nr_pins; 371910df4d0SMarek Vasut 372910df4d0SMarek Vasut return 0; 373910df4d0SMarek Vasut } 374910df4d0SMarek Vasut 375910df4d0SMarek Vasut /* Count, allocate and fill the ranges. The PFC SoC data pins array must 376910df4d0SMarek Vasut * be sorted by pin numbers, and pins without a GPIO port must come 377910df4d0SMarek Vasut * last. 378910df4d0SMarek Vasut */ 379910df4d0SMarek Vasut for (i = 1, nr_ranges = 1; i < pfc->info->nr_pins; ++i) { 380910df4d0SMarek Vasut if (pfc->info->pins[i-1].pin != pfc->info->pins[i].pin - 1) 381910df4d0SMarek Vasut nr_ranges++; 382910df4d0SMarek Vasut } 383910df4d0SMarek Vasut 384910df4d0SMarek Vasut pfc->nr_ranges = nr_ranges; 385910df4d0SMarek Vasut pfc->ranges = kzalloc(sizeof(*pfc->ranges) * nr_ranges, GFP_KERNEL); 386910df4d0SMarek Vasut if (pfc->ranges == NULL) 387910df4d0SMarek Vasut return -ENOMEM; 388910df4d0SMarek Vasut 389910df4d0SMarek Vasut range = pfc->ranges; 390910df4d0SMarek Vasut range->start = pfc->info->pins[0].pin; 391910df4d0SMarek Vasut 392910df4d0SMarek Vasut for (i = 1; i < pfc->info->nr_pins; ++i) { 393910df4d0SMarek Vasut if (pfc->info->pins[i-1].pin == pfc->info->pins[i].pin - 1) 394910df4d0SMarek Vasut continue; 395910df4d0SMarek Vasut 396910df4d0SMarek Vasut range->end = pfc->info->pins[i-1].pin; 397910df4d0SMarek Vasut if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO)) 398910df4d0SMarek Vasut pfc->nr_gpio_pins = range->end + 1; 399910df4d0SMarek Vasut 400910df4d0SMarek Vasut range++; 401910df4d0SMarek Vasut range->start = pfc->info->pins[i].pin; 402910df4d0SMarek Vasut } 403910df4d0SMarek Vasut 404910df4d0SMarek Vasut range->end = pfc->info->pins[i-1].pin; 405910df4d0SMarek Vasut if (!(pfc->info->pins[i-1].configs & SH_PFC_PIN_CFG_NO_GPIO)) 406910df4d0SMarek Vasut pfc->nr_gpio_pins = range->end + 1; 407910df4d0SMarek Vasut 408910df4d0SMarek Vasut return 0; 409910df4d0SMarek Vasut } 410910df4d0SMarek Vasut 411910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_pins_count(struct udevice *dev) 412910df4d0SMarek Vasut { 413910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 414910df4d0SMarek Vasut 415910df4d0SMarek Vasut return priv->pfc.info->nr_pins; 416910df4d0SMarek Vasut } 417910df4d0SMarek Vasut 418910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_pin_name(struct udevice *dev, 419910df4d0SMarek Vasut unsigned selector) 420910df4d0SMarek Vasut { 421910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 422910df4d0SMarek Vasut 423910df4d0SMarek Vasut return priv->pfc.info->pins[selector].name; 424910df4d0SMarek Vasut } 425910df4d0SMarek Vasut 426910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_groups_count(struct udevice *dev) 427910df4d0SMarek Vasut { 428910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 429910df4d0SMarek Vasut 430910df4d0SMarek Vasut return priv->pfc.info->nr_groups; 431910df4d0SMarek Vasut } 432910df4d0SMarek Vasut 433910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_group_name(struct udevice *dev, 434910df4d0SMarek Vasut unsigned selector) 435910df4d0SMarek Vasut { 436910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 437910df4d0SMarek Vasut 438910df4d0SMarek Vasut return priv->pfc.info->groups[selector].name; 439910df4d0SMarek Vasut } 440910df4d0SMarek Vasut 441910df4d0SMarek Vasut static int sh_pfc_pinctrl_get_functions_count(struct udevice *dev) 442910df4d0SMarek Vasut { 443910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 444910df4d0SMarek Vasut 445910df4d0SMarek Vasut return priv->pfc.info->nr_functions; 446910df4d0SMarek Vasut } 447910df4d0SMarek Vasut 448910df4d0SMarek Vasut static const char *sh_pfc_pinctrl_get_function_name(struct udevice *dev, 449910df4d0SMarek Vasut unsigned selector) 450910df4d0SMarek Vasut { 451910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 452910df4d0SMarek Vasut 453910df4d0SMarek Vasut return priv->pfc.info->functions[selector].name; 454910df4d0SMarek Vasut } 455910df4d0SMarek Vasut 456f6e545a7SMarek Vasut int sh_pfc_config_mux_for_gpio(struct udevice *dev, unsigned pin_selector) 457f6e545a7SMarek Vasut { 458f6e545a7SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 459f6e545a7SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 460f6e545a7SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 461f6e545a7SMarek Vasut struct sh_pfc_pin_config *cfg; 462f6e545a7SMarek Vasut const struct sh_pfc_pin *pin = NULL; 463f6e545a7SMarek Vasut int i, idx; 464f6e545a7SMarek Vasut 465f6e545a7SMarek Vasut for (i = 1; i < pfc->info->nr_pins; i++) { 466f6e545a7SMarek Vasut if (priv->pfc.info->pins[i].pin != pin_selector) 467f6e545a7SMarek Vasut continue; 468f6e545a7SMarek Vasut 469f6e545a7SMarek Vasut pin = &priv->pfc.info->pins[i]; 470f6e545a7SMarek Vasut break; 471f6e545a7SMarek Vasut } 472f6e545a7SMarek Vasut 473f6e545a7SMarek Vasut if (!pin) 474f6e545a7SMarek Vasut return -EINVAL; 475f6e545a7SMarek Vasut 476f6e545a7SMarek Vasut idx = sh_pfc_get_pin_index(pfc, pin->pin); 477f6e545a7SMarek Vasut cfg = &pmx->configs[idx]; 478f6e545a7SMarek Vasut 479f6e545a7SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) 480f6e545a7SMarek Vasut return -EBUSY; 481f6e545a7SMarek Vasut 482f6e545a7SMarek Vasut return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO); 483f6e545a7SMarek Vasut } 484f6e545a7SMarek Vasut 4852489bb54SMarek Vasut static int sh_pfc_pinctrl_pin_set(struct udevice *dev, unsigned pin_selector, 4862489bb54SMarek Vasut unsigned func_selector) 4872489bb54SMarek Vasut { 4882489bb54SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 4892489bb54SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 4902489bb54SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 4912489bb54SMarek Vasut const struct sh_pfc_pin *pin = &priv->pfc.info->pins[pin_selector]; 4922489bb54SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, pin->pin); 4932489bb54SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[idx]; 4942489bb54SMarek Vasut 4952489bb54SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) 4962489bb54SMarek Vasut return -EBUSY; 4972489bb54SMarek Vasut 4982489bb54SMarek Vasut return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_FUNCTION); 4992489bb54SMarek Vasut } 5002489bb54SMarek Vasut 501910df4d0SMarek Vasut static int sh_pfc_pinctrl_group_set(struct udevice *dev, unsigned group_selector, 502910df4d0SMarek Vasut unsigned func_selector) 503910df4d0SMarek Vasut { 504910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 505910df4d0SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 506910df4d0SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 507910df4d0SMarek Vasut const struct sh_pfc_pin_group *grp = &priv->pfc.info->groups[group_selector]; 508910df4d0SMarek Vasut unsigned int i; 509910df4d0SMarek Vasut int ret = 0; 510910df4d0SMarek Vasut 511910df4d0SMarek Vasut for (i = 0; i < grp->nr_pins; ++i) { 512910df4d0SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, grp->pins[i]); 513910df4d0SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[idx]; 514910df4d0SMarek Vasut 515910df4d0SMarek Vasut if (cfg->type != PINMUX_TYPE_NONE) { 516910df4d0SMarek Vasut ret = -EBUSY; 517910df4d0SMarek Vasut goto done; 518910df4d0SMarek Vasut } 519910df4d0SMarek Vasut } 520910df4d0SMarek Vasut 521910df4d0SMarek Vasut for (i = 0; i < grp->nr_pins; ++i) { 522910df4d0SMarek Vasut ret = sh_pfc_config_mux(pfc, grp->mux[i], PINMUX_TYPE_FUNCTION); 523910df4d0SMarek Vasut if (ret < 0) 524910df4d0SMarek Vasut break; 525910df4d0SMarek Vasut } 526910df4d0SMarek Vasut 527910df4d0SMarek Vasut done: 528910df4d0SMarek Vasut return ret; 529910df4d0SMarek Vasut } 530d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF) 531d52132c3SMarek Vasut static const struct pinconf_param sh_pfc_pinconf_params[] = { 532d52132c3SMarek Vasut { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, 533d52132c3SMarek Vasut { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, 534d52132c3SMarek Vasut { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, 535d52132c3SMarek Vasut { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 }, 536d52132c3SMarek Vasut { "power-source", PIN_CONFIG_POWER_SOURCE, 3300 }, 537d52132c3SMarek Vasut }; 538d52132c3SMarek Vasut 539d52132c3SMarek Vasut static void __iomem * 540d52132c3SMarek Vasut sh_pfc_pinconf_find_drive_strength_reg(struct sh_pfc *pfc, unsigned int pin, 541d52132c3SMarek Vasut unsigned int *offset, unsigned int *size) 542d52132c3SMarek Vasut { 543d52132c3SMarek Vasut const struct pinmux_drive_reg_field *field; 544d52132c3SMarek Vasut const struct pinmux_drive_reg *reg; 545d52132c3SMarek Vasut unsigned int i; 546d52132c3SMarek Vasut 547d52132c3SMarek Vasut for (reg = pfc->info->drive_regs; reg->reg; ++reg) { 548d52132c3SMarek Vasut for (i = 0; i < ARRAY_SIZE(reg->fields); ++i) { 549d52132c3SMarek Vasut field = ®->fields[i]; 550d52132c3SMarek Vasut 551d52132c3SMarek Vasut if (field->size && field->pin == pin) { 552d52132c3SMarek Vasut *offset = field->offset; 553d52132c3SMarek Vasut *size = field->size; 554d52132c3SMarek Vasut 555d52132c3SMarek Vasut return (void __iomem *)(uintptr_t)reg->reg; 556d52132c3SMarek Vasut } 557d52132c3SMarek Vasut } 558d52132c3SMarek Vasut } 559d52132c3SMarek Vasut 560d52132c3SMarek Vasut return NULL; 561d52132c3SMarek Vasut } 562d52132c3SMarek Vasut 563d52132c3SMarek Vasut static int sh_pfc_pinconf_set_drive_strength(struct sh_pfc *pfc, 564d52132c3SMarek Vasut unsigned int pin, u16 strength) 565d52132c3SMarek Vasut { 566d52132c3SMarek Vasut unsigned int offset; 567d52132c3SMarek Vasut unsigned int size; 568d52132c3SMarek Vasut unsigned int step; 569d52132c3SMarek Vasut void __iomem *reg; 570d52132c3SMarek Vasut void __iomem *unlock_reg = 571d52132c3SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 572d52132c3SMarek Vasut u32 val; 573d52132c3SMarek Vasut 574d52132c3SMarek Vasut reg = sh_pfc_pinconf_find_drive_strength_reg(pfc, pin, &offset, &size); 575d52132c3SMarek Vasut if (!reg) 576d52132c3SMarek Vasut return -EINVAL; 577d52132c3SMarek Vasut 578d52132c3SMarek Vasut step = size == 2 ? 6 : 3; 579d52132c3SMarek Vasut 580d52132c3SMarek Vasut if (strength < step || strength > 24) 581d52132c3SMarek Vasut return -EINVAL; 582d52132c3SMarek Vasut 583d52132c3SMarek Vasut /* Convert the value from mA based on a full drive strength value of 584d52132c3SMarek Vasut * 24mA. We can make the full value configurable later if needed. 585d52132c3SMarek Vasut */ 586d52132c3SMarek Vasut strength = strength / step - 1; 587d52132c3SMarek Vasut 588d52132c3SMarek Vasut val = sh_pfc_read_raw_reg(reg, 32); 589d52132c3SMarek Vasut val &= ~GENMASK(offset + size - 1, offset); 590d52132c3SMarek Vasut val |= strength << offset; 591d52132c3SMarek Vasut 592d52132c3SMarek Vasut if (unlock_reg) 593d52132c3SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~val); 594d52132c3SMarek Vasut 595d52132c3SMarek Vasut sh_pfc_write_raw_reg(reg, 32, val); 596d52132c3SMarek Vasut 597d52132c3SMarek Vasut return 0; 598d52132c3SMarek Vasut } 599d52132c3SMarek Vasut 600d52132c3SMarek Vasut /* Check whether the requested parameter is supported for a pin. */ 601d52132c3SMarek Vasut static bool sh_pfc_pinconf_validate(struct sh_pfc *pfc, unsigned int _pin, 602d52132c3SMarek Vasut unsigned int param) 603d52132c3SMarek Vasut { 604d52132c3SMarek Vasut int idx = sh_pfc_get_pin_index(pfc, _pin); 605d52132c3SMarek Vasut const struct sh_pfc_pin *pin = &pfc->info->pins[idx]; 606d52132c3SMarek Vasut 607d52132c3SMarek Vasut switch (param) { 608d52132c3SMarek Vasut case PIN_CONFIG_BIAS_DISABLE: 609d52132c3SMarek Vasut return pin->configs & 610d52132c3SMarek Vasut (SH_PFC_PIN_CFG_PULL_UP | SH_PFC_PIN_CFG_PULL_DOWN); 611d52132c3SMarek Vasut 612d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_UP: 613d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_PULL_UP; 614d52132c3SMarek Vasut 615d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_DOWN: 616d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_PULL_DOWN; 617d52132c3SMarek Vasut 618d52132c3SMarek Vasut case PIN_CONFIG_DRIVE_STRENGTH: 619d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_DRIVE_STRENGTH; 620d52132c3SMarek Vasut 621d52132c3SMarek Vasut case PIN_CONFIG_POWER_SOURCE: 622d52132c3SMarek Vasut return pin->configs & SH_PFC_PIN_CFG_IO_VOLTAGE; 623d52132c3SMarek Vasut 624d52132c3SMarek Vasut default: 625d52132c3SMarek Vasut return false; 626d52132c3SMarek Vasut } 627d52132c3SMarek Vasut } 628d52132c3SMarek Vasut 629d52132c3SMarek Vasut static int sh_pfc_pinconf_set(struct sh_pfc_pinctrl *pmx, unsigned _pin, 630d52132c3SMarek Vasut unsigned int param, unsigned int arg) 631d52132c3SMarek Vasut { 632d52132c3SMarek Vasut struct sh_pfc *pfc = pmx->pfc; 633d52132c3SMarek Vasut void __iomem *pocctrl; 634d52132c3SMarek Vasut void __iomem *unlock_reg = 635d52132c3SMarek Vasut (void __iomem *)(uintptr_t)pfc->info->unlock_reg; 636d52132c3SMarek Vasut u32 addr, val; 637d52132c3SMarek Vasut int bit, ret; 638d52132c3SMarek Vasut 639d52132c3SMarek Vasut if (!sh_pfc_pinconf_validate(pfc, _pin, param)) 640d52132c3SMarek Vasut return -ENOTSUPP; 641d52132c3SMarek Vasut 642d52132c3SMarek Vasut switch (param) { 643d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_UP: 644d52132c3SMarek Vasut case PIN_CONFIG_BIAS_PULL_DOWN: 645d52132c3SMarek Vasut case PIN_CONFIG_BIAS_DISABLE: 646d52132c3SMarek Vasut if (!pfc->info->ops || !pfc->info->ops->set_bias) 647d52132c3SMarek Vasut return -ENOTSUPP; 648d52132c3SMarek Vasut 649d52132c3SMarek Vasut pfc->info->ops->set_bias(pfc, _pin, param); 650d52132c3SMarek Vasut 651d52132c3SMarek Vasut break; 652d52132c3SMarek Vasut 653d52132c3SMarek Vasut case PIN_CONFIG_DRIVE_STRENGTH: 654d52132c3SMarek Vasut ret = sh_pfc_pinconf_set_drive_strength(pfc, _pin, arg); 655d52132c3SMarek Vasut if (ret < 0) 656d52132c3SMarek Vasut return ret; 657d52132c3SMarek Vasut 658d52132c3SMarek Vasut break; 659d52132c3SMarek Vasut 660d52132c3SMarek Vasut case PIN_CONFIG_POWER_SOURCE: 661d52132c3SMarek Vasut if (!pfc->info->ops || !pfc->info->ops->pin_to_pocctrl) 662d52132c3SMarek Vasut return -ENOTSUPP; 663d52132c3SMarek Vasut 664d52132c3SMarek Vasut bit = pfc->info->ops->pin_to_pocctrl(pfc, _pin, &addr); 665d52132c3SMarek Vasut if (bit < 0) { 666d52132c3SMarek Vasut printf("invalid pin %#x", _pin); 667d52132c3SMarek Vasut return bit; 668d52132c3SMarek Vasut } 669d52132c3SMarek Vasut 670d52132c3SMarek Vasut if (arg != 1800 && arg != 3300) 671d52132c3SMarek Vasut return -EINVAL; 672d52132c3SMarek Vasut 673d52132c3SMarek Vasut pocctrl = (void __iomem *)(uintptr_t)addr; 674d52132c3SMarek Vasut 675d52132c3SMarek Vasut val = sh_pfc_read_raw_reg(pocctrl, 32); 676d52132c3SMarek Vasut if (arg == 3300) 677d52132c3SMarek Vasut val |= BIT(bit); 678d52132c3SMarek Vasut else 679d52132c3SMarek Vasut val &= ~BIT(bit); 680d52132c3SMarek Vasut 681d52132c3SMarek Vasut if (unlock_reg) 682d52132c3SMarek Vasut sh_pfc_write_raw_reg(unlock_reg, 32, ~val); 683d52132c3SMarek Vasut 684d52132c3SMarek Vasut sh_pfc_write_raw_reg(pocctrl, 32, val); 685d52132c3SMarek Vasut 686d52132c3SMarek Vasut break; 687d52132c3SMarek Vasut 688d52132c3SMarek Vasut default: 689d52132c3SMarek Vasut return -ENOTSUPP; 690d52132c3SMarek Vasut } 691d52132c3SMarek Vasut 692d52132c3SMarek Vasut return 0; 693d52132c3SMarek Vasut } 694d52132c3SMarek Vasut 6952489bb54SMarek Vasut static int sh_pfc_pinconf_pin_set(struct udevice *dev, 6962489bb54SMarek Vasut unsigned int pin_selector, 6972489bb54SMarek Vasut unsigned int param, unsigned int arg) 6982489bb54SMarek Vasut { 6992489bb54SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 7002489bb54SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 7012489bb54SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 7022489bb54SMarek Vasut const struct sh_pfc_pin *pin = &pfc->info->pins[pin_selector]; 7032489bb54SMarek Vasut 7042489bb54SMarek Vasut sh_pfc_pinconf_set(pmx, pin->pin, param, arg); 7052489bb54SMarek Vasut 7062489bb54SMarek Vasut return 0; 7072489bb54SMarek Vasut } 708d52132c3SMarek Vasut 709d52132c3SMarek Vasut static int sh_pfc_pinconf_group_set(struct udevice *dev, 710d52132c3SMarek Vasut unsigned int group_selector, 711d52132c3SMarek Vasut unsigned int param, unsigned int arg) 712d52132c3SMarek Vasut { 713d52132c3SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 714d52132c3SMarek Vasut struct sh_pfc_pinctrl *pmx = &priv->pmx; 715d52132c3SMarek Vasut struct sh_pfc *pfc = &priv->pfc; 716d52132c3SMarek Vasut const struct sh_pfc_pin_group *grp = &pfc->info->groups[group_selector]; 717d52132c3SMarek Vasut unsigned int i; 718d52132c3SMarek Vasut 719d52132c3SMarek Vasut for (i = 0; i < grp->nr_pins; i++) 720d52132c3SMarek Vasut sh_pfc_pinconf_set(pmx, grp->pins[i], param, arg); 721d52132c3SMarek Vasut 722d52132c3SMarek Vasut return 0; 723d52132c3SMarek Vasut } 724d52132c3SMarek Vasut #endif 725910df4d0SMarek Vasut 726910df4d0SMarek Vasut static struct pinctrl_ops sh_pfc_pinctrl_ops = { 727910df4d0SMarek Vasut .get_pins_count = sh_pfc_pinctrl_get_pins_count, 728910df4d0SMarek Vasut .get_pin_name = sh_pfc_pinctrl_get_pin_name, 729910df4d0SMarek Vasut .get_groups_count = sh_pfc_pinctrl_get_groups_count, 730910df4d0SMarek Vasut .get_group_name = sh_pfc_pinctrl_get_group_name, 731910df4d0SMarek Vasut .get_functions_count = sh_pfc_pinctrl_get_functions_count, 732910df4d0SMarek Vasut .get_function_name = sh_pfc_pinctrl_get_function_name, 733910df4d0SMarek Vasut 734d52132c3SMarek Vasut #if CONFIG_IS_ENABLED(PINCONF) 735d52132c3SMarek Vasut .pinconf_num_params = ARRAY_SIZE(sh_pfc_pinconf_params), 736d52132c3SMarek Vasut .pinconf_params = sh_pfc_pinconf_params, 7372489bb54SMarek Vasut .pinconf_set = sh_pfc_pinconf_pin_set, 738d52132c3SMarek Vasut .pinconf_group_set = sh_pfc_pinconf_group_set, 739d52132c3SMarek Vasut #endif 7402489bb54SMarek Vasut .pinmux_set = sh_pfc_pinctrl_pin_set, 741910df4d0SMarek Vasut .pinmux_group_set = sh_pfc_pinctrl_group_set, 742910df4d0SMarek Vasut .set_state = pinctrl_generic_set_state, 743910df4d0SMarek Vasut }; 744910df4d0SMarek Vasut 745910df4d0SMarek Vasut static int sh_pfc_map_pins(struct sh_pfc *pfc, struct sh_pfc_pinctrl *pmx) 746910df4d0SMarek Vasut { 747910df4d0SMarek Vasut unsigned int i; 748910df4d0SMarek Vasut 749910df4d0SMarek Vasut /* Allocate and initialize the pins and configs arrays. */ 750910df4d0SMarek Vasut pmx->configs = kzalloc(sizeof(*pmx->configs) * pfc->info->nr_pins, 751910df4d0SMarek Vasut GFP_KERNEL); 752910df4d0SMarek Vasut if (unlikely(!pmx->configs)) 753910df4d0SMarek Vasut return -ENOMEM; 754910df4d0SMarek Vasut 755910df4d0SMarek Vasut for (i = 0; i < pfc->info->nr_pins; ++i) { 756910df4d0SMarek Vasut struct sh_pfc_pin_config *cfg = &pmx->configs[i]; 757910df4d0SMarek Vasut cfg->type = PINMUX_TYPE_NONE; 758910df4d0SMarek Vasut } 759910df4d0SMarek Vasut 760910df4d0SMarek Vasut return 0; 761910df4d0SMarek Vasut } 762910df4d0SMarek Vasut 763910df4d0SMarek Vasut 764910df4d0SMarek Vasut static int sh_pfc_pinctrl_probe(struct udevice *dev) 765910df4d0SMarek Vasut { 766910df4d0SMarek Vasut struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev); 767910df4d0SMarek Vasut enum sh_pfc_model model = dev_get_driver_data(dev); 768910df4d0SMarek Vasut fdt_addr_t base; 769910df4d0SMarek Vasut 770910df4d0SMarek Vasut base = devfdt_get_addr(dev); 771910df4d0SMarek Vasut if (base == FDT_ADDR_T_NONE) 772910df4d0SMarek Vasut return -EINVAL; 773910df4d0SMarek Vasut 774910df4d0SMarek Vasut priv->pfc.regs = devm_ioremap(dev, base, SZ_2K); 775910df4d0SMarek Vasut if (!priv->pfc.regs) 776910df4d0SMarek Vasut return -ENOMEM; 777910df4d0SMarek Vasut 7787547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790 7797547ad4cSMarek Vasut if (model == SH_PFC_R8A7790) 7807547ad4cSMarek Vasut priv->pfc.info = &r8a7790_pinmux_info; 7817547ad4cSMarek Vasut #endif 782427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7791 783427c75dfSMarek Vasut if (model == SH_PFC_R8A7791) 784427c75dfSMarek Vasut priv->pfc.info = &r8a7791_pinmux_info; 785427c75dfSMarek Vasut #endif 786ab2d09b4SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7792 787ab2d09b4SMarek Vasut if (model == SH_PFC_R8A7792) 788ab2d09b4SMarek Vasut priv->pfc.info = &r8a7792_pinmux_info; 789ab2d09b4SMarek Vasut #endif 790427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7793 791427c75dfSMarek Vasut if (model == SH_PFC_R8A7793) 792427c75dfSMarek Vasut priv->pfc.info = &r8a7793_pinmux_info; 793427c75dfSMarek Vasut #endif 79434e93605SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7794 79534e93605SMarek Vasut if (model == SH_PFC_R8A7794) 79634e93605SMarek Vasut priv->pfc.info = &r8a7794_pinmux_info; 79734e93605SMarek Vasut #endif 798910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795 799910df4d0SMarek Vasut if (model == SH_PFC_R8A7795) 800910df4d0SMarek Vasut priv->pfc.info = &r8a7795_pinmux_info; 801910df4d0SMarek Vasut #endif 802910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796 803910df4d0SMarek Vasut if (model == SH_PFC_R8A7796) 804910df4d0SMarek Vasut priv->pfc.info = &r8a7796_pinmux_info; 805910df4d0SMarek Vasut #endif 806c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970 807c106bb53SMarek Vasut if (model == SH_PFC_R8A77970) 808c106bb53SMarek Vasut priv->pfc.info = &r8a77970_pinmux_info; 809c106bb53SMarek Vasut #endif 810*cb13e46aSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77990 811*cb13e46aSMarek Vasut if (model == SH_PFC_R8A77990) 812*cb13e46aSMarek Vasut priv->pfc.info = &r8a77990_pinmux_info; 813*cb13e46aSMarek Vasut #endif 814a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995 815a59e6976SMarek Vasut if (model == SH_PFC_R8A77995) 816a59e6976SMarek Vasut priv->pfc.info = &r8a77995_pinmux_info; 817a59e6976SMarek Vasut #endif 818910df4d0SMarek Vasut 819910df4d0SMarek Vasut priv->pmx.pfc = &priv->pfc; 820910df4d0SMarek Vasut sh_pfc_init_ranges(&priv->pfc); 821910df4d0SMarek Vasut sh_pfc_map_pins(&priv->pfc, &priv->pmx); 822910df4d0SMarek Vasut 823910df4d0SMarek Vasut return 0; 824910df4d0SMarek Vasut } 825910df4d0SMarek Vasut 826910df4d0SMarek Vasut static const struct udevice_id sh_pfc_pinctrl_ids[] = { 8277547ad4cSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7790 8287547ad4cSMarek Vasut { 8297547ad4cSMarek Vasut .compatible = "renesas,pfc-r8a7790", 8307547ad4cSMarek Vasut .data = SH_PFC_R8A7790, 8317547ad4cSMarek Vasut }, 8327547ad4cSMarek Vasut #endif 833427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7791 834427c75dfSMarek Vasut { 835427c75dfSMarek Vasut .compatible = "renesas,pfc-r8a7791", 836427c75dfSMarek Vasut .data = SH_PFC_R8A7791, 837427c75dfSMarek Vasut }, 838427c75dfSMarek Vasut #endif 839ab2d09b4SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7792 840ab2d09b4SMarek Vasut { 841ab2d09b4SMarek Vasut .compatible = "renesas,pfc-r8a7792", 842ab2d09b4SMarek Vasut .data = SH_PFC_R8A7792, 843ab2d09b4SMarek Vasut }, 844ab2d09b4SMarek Vasut #endif 845427c75dfSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7793 846427c75dfSMarek Vasut { 847427c75dfSMarek Vasut .compatible = "renesas,pfc-r8a7793", 848427c75dfSMarek Vasut .data = SH_PFC_R8A7793, 849427c75dfSMarek Vasut }, 850427c75dfSMarek Vasut #endif 85134e93605SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7794 85234e93605SMarek Vasut { 85334e93605SMarek Vasut .compatible = "renesas,pfc-r8a7794", 85434e93605SMarek Vasut .data = SH_PFC_R8A7794, 85534e93605SMarek Vasut }, 85634e93605SMarek Vasut #endif 857910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7795 858910df4d0SMarek Vasut { 859910df4d0SMarek Vasut .compatible = "renesas,pfc-r8a7795", 860910df4d0SMarek Vasut .data = SH_PFC_R8A7795, 861910df4d0SMarek Vasut }, 862910df4d0SMarek Vasut #endif 863910df4d0SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A7796 864910df4d0SMarek Vasut { 865910df4d0SMarek Vasut .compatible = "renesas,pfc-r8a7796", 866910df4d0SMarek Vasut .data = SH_PFC_R8A7796, 867d1fe3182SMarek Vasut }, { 868d1fe3182SMarek Vasut .compatible = "renesas,pfc-r8a77965", 869d1fe3182SMarek Vasut .data = SH_PFC_R8A7796, 870910df4d0SMarek Vasut }, 871910df4d0SMarek Vasut #endif 872c106bb53SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77970 873c106bb53SMarek Vasut { 874c106bb53SMarek Vasut .compatible = "renesas,pfc-r8a77970", 875c106bb53SMarek Vasut .data = SH_PFC_R8A77970, 876c106bb53SMarek Vasut }, 877c106bb53SMarek Vasut #endif 878*cb13e46aSMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77990 879*cb13e46aSMarek Vasut { 880*cb13e46aSMarek Vasut .compatible = "renesas,pfc-r8a77990", 881*cb13e46aSMarek Vasut .data = SH_PFC_R8A77990, 882*cb13e46aSMarek Vasut }, 883*cb13e46aSMarek Vasut #endif 884a59e6976SMarek Vasut #ifdef CONFIG_PINCTRL_PFC_R8A77995 885a59e6976SMarek Vasut { 886a59e6976SMarek Vasut .compatible = "renesas,pfc-r8a77995", 887a59e6976SMarek Vasut .data = SH_PFC_R8A77995, 888a59e6976SMarek Vasut }, 889a59e6976SMarek Vasut #endif 890910df4d0SMarek Vasut { }, 891910df4d0SMarek Vasut }; 892910df4d0SMarek Vasut 893910df4d0SMarek Vasut U_BOOT_DRIVER(pinctrl_sh_pfc) = { 894910df4d0SMarek Vasut .name = "sh_pfc_pinctrl", 895910df4d0SMarek Vasut .id = UCLASS_PINCTRL, 896910df4d0SMarek Vasut .of_match = sh_pfc_pinctrl_ids, 897910df4d0SMarek Vasut .priv_auto_alloc_size = sizeof(struct sh_pfc_pinctrl_priv), 898910df4d0SMarek Vasut .ops = &sh_pfc_pinctrl_ops, 899910df4d0SMarek Vasut .probe = sh_pfc_pinctrl_probe, 900910df4d0SMarek Vasut }; 901