arch/arm/mach-shmobile/board-koelsch.c

   1 /*
   2  * Koelsch board support
   3  *
   4  * Copyright (C) 2013  Renesas Electronics Corporation
   5  * Copyright (C) 2013-2014  Renesas Solutions Corp.
   6  * Copyright (C) 2013  Magnus Damm
   7  * Copyright (C) 2014  Cogent Embedded, Inc.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; version 2 of the License.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/dma-mapping.h>
  20 #include <linux/gpio.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/irq.h>
  24 #include <linux/kernel.h>
  25 #include <linux/leds.h>
  26 #include <linux/mfd/tmio.h>
  27 #include <linux/mmc/host.h>
  28 #include <linux/mmc/sh_mobile_sdhi.h>
  29 #include <linux/mtd/mtd.h>
  30 #include <linux/mtd/partitions.h>
  31 #include <linux/phy.h>
  32 #include <linux/pinctrl/machine.h>
  33 #include <linux/platform_data/gpio-rcar.h>
  34 #include <linux/platform_data/rcar-du.h>
  35 #include <linux/platform_device.h>
  36 #include <linux/regulator/driver.h>
  37 #include <linux/regulator/fixed.h>
  38 #include <linux/regulator/gpio-regulator.h>
  39 #include <linux/regulator/machine.h>
  40 #include <linux/sh_eth.h>
  41 #include <linux/spi/flash.h>
  42 #include <linux/spi/rspi.h>
  43 #include <linux/spi/spi.h>
  44
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47
  48 #include "common.h"
  49 #include "irqs.h"
  50 #include "r8a7791.h"
  51 #include "rcar-gen2.h"
  52
  53 /* DU */
  54 static struct rcar_du_encoder_data koelsch_du_encoders[] = {
  55         {
  56                 .type = RCAR_DU_ENCODER_NONE,
  57                 .output = RCAR_DU_OUTPUT_LVDS0,
  58                 .connector.lvds.panel = {
  59                         .width_mm = 210,
  60                         .height_mm = 158,
  61                         .mode = {
  62                                 .pixelclock = 65000000,
  63                                 .hactive = 1024,
  64                                 .hfront_porch = 20,
  65                                 .hback_porch = 160,
  66                                 .hsync_len = 136,
  67                                 .vactive = 768,
  68                                 .vfront_porch = 3,
  69                                 .vback_porch = 29,
  70                                 .vsync_len = 6,
  71                         },
  72                 },
  73         },
  74 };
  75
  76 static const struct rcar_du_platform_data koelsch_du_pdata __initconst = {
  77         .encoders = koelsch_du_encoders,
  78         .num_encoders = ARRAY_SIZE(koelsch_du_encoders),
  79 };
  80
  81 static const struct resource du_resources[] __initconst = {
  82         DEFINE_RES_MEM(0xfeb00000, 0x40000),
  83         DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
  84         DEFINE_RES_IRQ(gic_spi(256)),
  85         DEFINE_RES_IRQ(gic_spi(268)),
  86 };
  87
  88 static void __init koelsch_add_du_device(void)
  89 {
  90         struct platform_device_info info = {
  91                 .name = "rcar-du-r8a7791",
  92                 .id = -1,
  93                 .res = du_resources,
  94                 .num_res = ARRAY_SIZE(du_resources),
  95                 .data = &koelsch_du_pdata,
  96                 .size_data = sizeof(koelsch_du_pdata),
  97                 .dma_mask = DMA_BIT_MASK(32),
  98         };
  99
 100         platform_device_register_full(&info);
 101 }
 102
 103 /* Ether */
 104 static const struct sh_eth_plat_data ether_pdata __initconst = {
 105         .phy                    = 0x1,
 106         .phy_irq                = irq_pin(0),
 107         .edmac_endian           = EDMAC_LITTLE_ENDIAN,
 108         .phy_interface          = PHY_INTERFACE_MODE_RMII,
 109         .ether_link_active_low  = 1,
 110 };
 111
 112 static const struct resource ether_resources[] __initconst = {
 113         DEFINE_RES_MEM(0xee700000, 0x400),
 114         DEFINE_RES_IRQ(gic_spi(162)),
 115 };
 116
 117 static const struct platform_device_info ether_info __initconst = {
 118         .name           = "r8a7791-ether",
 119         .id             = -1,
 120         .res            = ether_resources,
 121         .num_res        = ARRAY_SIZE(ether_resources),
 122         .data           = &ether_pdata,
 123         .size_data      = sizeof(ether_pdata),
 124         .dma_mask       = DMA_BIT_MASK(32),
 125 };
 126
 127 /* LEDS */
 128 static struct gpio_led koelsch_leds[] = {
 129         {
 130                 .name           = "led8",
 131                 .gpio           = RCAR_GP_PIN(2, 21),
 132                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 133         }, {
 134                 .name           = "led7",
 135                 .gpio           = RCAR_GP_PIN(2, 20),
 136                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 137         }, {
 138                 .name           = "led6",
 139                 .gpio           = RCAR_GP_PIN(2, 19),
 140                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 141         },
 142 };
 143
 144 static const struct gpio_led_platform_data koelsch_leds_pdata __initconst = {
 145         .leds           = koelsch_leds,
 146         .num_leds       = ARRAY_SIZE(koelsch_leds),
 147 };
 148
 149 /* GPIO KEY */
 150 #define GPIO_KEY(c, g, d, ...) \
 151         { .code = c, .gpio = g, .desc = d, .active_low = 1, \
 152           .wakeup = 1, .debounce_interval = 20 }
 153
 154 static struct gpio_keys_button gpio_buttons[] = {
 155         GPIO_KEY(KEY_4,         RCAR_GP_PIN(5, 3),      "SW2-pin4"),
 156         GPIO_KEY(KEY_3,         RCAR_GP_PIN(5, 2),      "SW2-pin3"),
 157         GPIO_KEY(KEY_2,         RCAR_GP_PIN(5, 1),      "SW2-pin2"),
 158         GPIO_KEY(KEY_1,         RCAR_GP_PIN(5, 0),      "SW2-pin1"),
 159         GPIO_KEY(KEY_G,         RCAR_GP_PIN(7, 6),      "SW36"),
 160         GPIO_KEY(KEY_F,         RCAR_GP_PIN(7, 5),      "SW35"),
 161         GPIO_KEY(KEY_E,         RCAR_GP_PIN(7, 4),      "SW34"),
 162         GPIO_KEY(KEY_D,         RCAR_GP_PIN(7, 3),      "SW33"),
 163         GPIO_KEY(KEY_C,         RCAR_GP_PIN(7, 2),      "SW32"),
 164         GPIO_KEY(KEY_B,         RCAR_GP_PIN(7, 1),      "SW31"),
 165         GPIO_KEY(KEY_A,         RCAR_GP_PIN(7, 0),      "SW30"),
 166 };
 167
 168 static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
 169         .buttons        = gpio_buttons,
 170         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 171 };
 172
 173 /* QSPI */
 174 static const struct resource qspi_resources[] __initconst = {
 175         DEFINE_RES_MEM(0xe6b10000, 0x1000),
 176         DEFINE_RES_IRQ_NAMED(gic_spi(184), "mux"),
 177 };
 178
 179 static const struct rspi_plat_data qspi_pdata __initconst = {
 180         .num_chipselect = 1,
 181 };
 182
 183 /* SPI Flash memory (Spansion S25FL512SAGMFIG11 64 MiB) */
 184 static struct mtd_partition spi_flash_part[] = {
 185         {
 186                 .name           = "loader",
 187                 .offset         = 0x00000000,
 188                 .size           = 512 * 1024,
 189                 .mask_flags     = MTD_WRITEABLE,
 190         },
 191         {
 192                 .name           = "bootenv",
 193                 .offset         = MTDPART_OFS_APPEND,
 194                 .size           = 512 * 1024,
 195                 .mask_flags     = MTD_WRITEABLE,
 196         },
 197         {
 198                 .name           = "data",
 199                 .offset         = MTDPART_OFS_APPEND,
 200                 .size           = MTDPART_SIZ_FULL,
 201         },
 202 };
 203
 204 static const struct flash_platform_data spi_flash_data = {
 205         .name           = "m25p80",
 206         .parts          = spi_flash_part,
 207         .nr_parts       = ARRAY_SIZE(spi_flash_part),
 208         .type           = "s25fl512s",
 209 };
 210
 211 static const struct spi_board_info spi_info[] __initconst = {
 212         {
 213                 .modalias       = "m25p80",
 214                 .platform_data  = &spi_flash_data,
 215                 .mode           = SPI_MODE_0 | SPI_TX_QUAD | SPI_RX_QUAD,
 216                 .max_speed_hz   = 30000000,
 217                 .bus_num        = 0,
 218                 .chip_select    = 0,
 219         },
 220 };
 221
 222 /* SATA0 */
 223 static const struct resource sata0_resources[] __initconst = {
 224         DEFINE_RES_MEM(0xee300000, 0x2000),
 225         DEFINE_RES_IRQ(gic_spi(105)),
 226 };
 227
 228 static const struct platform_device_info sata0_info __initconst = {
 229         .name           = "sata-r8a7791",
 230         .id             = 0,
 231         .res            = sata0_resources,
 232         .num_res        = ARRAY_SIZE(sata0_resources),
 233         .dma_mask       = DMA_BIT_MASK(32),
 234 };
 235
 236 /* I2C */
 237 static const struct resource i2c_resources[] __initconst = {
 238         /* I2C0 */
 239         DEFINE_RES_MEM(0xE6508000, 0x40),
 240         DEFINE_RES_IRQ(gic_spi(287)),
 241         /* I2C1 */
 242         DEFINE_RES_MEM(0xE6518000, 0x40),
 243         DEFINE_RES_IRQ(gic_spi(288)),
 244         /* I2C2 */
 245         DEFINE_RES_MEM(0xE6530000, 0x40),
 246         DEFINE_RES_IRQ(gic_spi(286)),
 247         /* I2C3 */
 248         DEFINE_RES_MEM(0xE6540000, 0x40),
 249         DEFINE_RES_IRQ(gic_spi(290)),
 250         /* I2C4 */
 251         DEFINE_RES_MEM(0xE6520000, 0x40),
 252         DEFINE_RES_IRQ(gic_spi(19)),
 253         /* I2C5 */
 254         DEFINE_RES_MEM(0xE6528000, 0x40),
 255         DEFINE_RES_IRQ(gic_spi(20)),
 256 };
 257
 258 static void __init koelsch_add_i2c(unsigned idx)
 259 {
 260         unsigned res_idx = idx * 2;
 261
 262         BUG_ON(res_idx >= ARRAY_SIZE(i2c_resources));
 263
 264         platform_device_register_simple("i2c-rcar_gen2", idx,
 265                                         i2c_resources + res_idx, 2);
 266 }
 267
 268 #define SDHI_REGULATOR(idx, vdd_pin, vccq_pin)                          \
 269 static struct regulator_consumer_supply vcc_sdhi##idx##_consumer =      \
 270         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi." #idx);               \
 271                                                                         \
 272 static struct regulator_init_data vcc_sdhi##idx##_init_data = {         \
 273         .constraints = {                                                \
 274                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,              \
 275         },                                                              \
 276         .consumer_supplies      = &vcc_sdhi##idx##_consumer,            \
 277         .num_consumer_supplies  = 1,                                    \
 278 };                                                                      \
 279                                                                         \
 280 static const struct fixed_voltage_config vcc_sdhi##idx##_info __initconst = {\
 281         .supply_name    = "SDHI" #idx "Vcc",                            \
 282         .microvolts     = 3300000,                                      \
 283         .gpio           = vdd_pin,                                      \
 284         .enable_high    = 1,                                            \
 285         .init_data      = &vcc_sdhi##idx##_init_data,                   \
 286 };                                                                      \
 287                                                                         \
 288 static struct regulator_consumer_supply vccq_sdhi##idx##_consumer =     \
 289         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi." #idx);              \
 290                                                                         \
 291 static struct regulator_init_data vccq_sdhi##idx##_init_data = {        \
 292         .constraints = {                                                \
 293                 .input_uV       = 3300000,                              \
 294                 .min_uV         = 1800000,                              \
 295                 .max_uV         = 3300000,                              \
 296                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |            \
 297                                   REGULATOR_CHANGE_STATUS,              \
 298         },                                                              \
 299         .consumer_supplies      = &vccq_sdhi##idx##_consumer,           \
 300         .num_consumer_supplies  = 1,                                    \
 301 };                                                                      \
 302                                                                         \
 303 static struct gpio vccq_sdhi##idx##_gpio =                              \
 304         { vccq_pin, GPIOF_OUT_INIT_HIGH, "vccq-sdhi" #idx };            \
 305                                                                         \
 306 static struct gpio_regulator_state vccq_sdhi##idx##_states[] = {        \
 307         { .value = 1800000, .gpios = 0 },                               \
 308         { .value = 3300000, .gpios = 1 },                               \
 309 };                                                                      \
 310                                                                         \
 311 static const struct gpio_regulator_config vccq_sdhi##idx##_info __initconst = {\
 312         .supply_name    = "vqmmc",                                      \
 313         .gpios          = &vccq_sdhi##idx##_gpio,                       \
 314         .nr_gpios       = 1,                                            \
 315         .states         = vccq_sdhi##idx##_states,                      \
 316         .nr_states      = ARRAY_SIZE(vccq_sdhi##idx##_states),          \
 317         .type           = REGULATOR_VOLTAGE,                            \
 318         .init_data      = &vccq_sdhi##idx##_init_data,                  \
 319 };
 320
 321 SDHI_REGULATOR(0, RCAR_GP_PIN(7, 17), RCAR_GP_PIN(2, 12));
 322 SDHI_REGULATOR(1, RCAR_GP_PIN(7, 18), RCAR_GP_PIN(2, 13));
 323 SDHI_REGULATOR(2, RCAR_GP_PIN(7, 19), RCAR_GP_PIN(2, 26));
 324
 325 /* SDHI0 */
 326 static struct sh_mobile_sdhi_info sdhi0_info __initdata = {
 327         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
 328                           MMC_CAP_POWER_OFF_CARD,
 329         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
 330 };
 331
 332 static struct resource sdhi0_resources[] __initdata = {
 333         DEFINE_RES_MEM(0xee100000, 0x200),
 334         DEFINE_RES_IRQ(gic_spi(165)),
 335 };
 336
 337 /* SDHI1 */
 338 static struct sh_mobile_sdhi_info sdhi1_info __initdata = {
 339         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
 340                           MMC_CAP_POWER_OFF_CARD,
 341         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
 342 };
 343
 344 static struct resource sdhi1_resources[] __initdata = {
 345         DEFINE_RES_MEM(0xee140000, 0x100),
 346         DEFINE_RES_IRQ(gic_spi(167)),
 347 };
 348
 349 /* SDHI2 */
 350 static struct sh_mobile_sdhi_info sdhi2_info __initdata = {
 351         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
 352                           MMC_CAP_POWER_OFF_CARD,
 353         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT |
 354                           TMIO_MMC_WRPROTECT_DISABLE,
 355 };
 356
 357 static struct resource sdhi2_resources[] __initdata = {
 358         DEFINE_RES_MEM(0xee160000, 0x100),
 359         DEFINE_RES_IRQ(gic_spi(168)),
 360 };
 361
 362 static const struct pinctrl_map koelsch_pinctrl_map[] = {
 363         /* DU */
 364         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
 365                                   "du_rgb666", "du"),
 366         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
 367                                   "du_sync", "du"),
 368         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
 369                                   "du_clk_out_0", "du"),
 370         /* Ether */
 371         PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
 372                                   "eth_link", "eth"),
 373         PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
 374                                   "eth_mdio", "eth"),
 375         PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
 376                                   "eth_rmii", "eth"),
 377         PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
 378                                   "intc_irq0", "intc"),
 379         /* QSPI */
 380         PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
 381                                   "qspi_ctrl", "qspi"),
 382         PIN_MAP_MUX_GROUP_DEFAULT("qspi.0", "pfc-r8a7791",
 383                                   "qspi_data4", "qspi"),
 384         /* SCIF0 (CN19: DEBUG SERIAL0) */
 385         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791",
 386                                   "scif0_data_d", "scif0"),
 387         /* SCIF1 (CN20: DEBUG SERIAL1) */
 388         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7791",
 389                                   "scif1_data_d", "scif1"),
 390         /* I2C1 */
 391         PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.1", "pfc-r8a7791",
 392                                   "i2c1_e", "i2c1"),
 393         /* I2C2 */
 394         PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.2", "pfc-r8a7791",
 395                                   "i2c2", "i2c2"),
 396         /* I2C4 */
 397         PIN_MAP_MUX_GROUP_DEFAULT("i2c-rcar_gen2.4", "pfc-r8a7791",
 398                                   "i2c4_c", "i2c4"),
 399         /* SDHI0 */
 400         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
 401                                   "sdhi0_data4", "sdhi0"),
 402         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
 403                                   "sdhi0_ctrl", "sdhi0"),
 404         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
 405                                   "sdhi0_cd", "sdhi0"),
 406         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7791",
 407                                   "sdhi0_wp", "sdhi0"),
 408         /* SDHI2 */
 409         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
 410                                   "sdhi1_data4", "sdhi1"),
 411         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
 412                                   "sdhi1_ctrl", "sdhi1"),
 413         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
 414                                   "sdhi1_cd", "sdhi1"),
 415         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7791",
 416                                   "sdhi1_wp", "sdhi1"),
 417         /* SDHI2 */
 418         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
 419                                   "sdhi2_data4", "sdhi2"),
 420         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
 421                                   "sdhi2_ctrl", "sdhi2"),
 422         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-r8a7791",
 423                                   "sdhi2_cd", "sdhi2"),
 424 };
 425
 426 static void __init koelsch_add_standard_devices(void)
 427 {
 428         r8a7791_clock_init();
 429         pinctrl_register_mappings(koelsch_pinctrl_map,
 430                                   ARRAY_SIZE(koelsch_pinctrl_map));
 431         r8a7791_pinmux_init();
 432         r8a7791_add_standard_devices();
 433         platform_device_register_full(&ether_info);
 434         platform_device_register_data(NULL, "leds-gpio", -1,
 435                                       &koelsch_leds_pdata,
 436                                       sizeof(koelsch_leds_pdata));
 437         platform_device_register_data(NULL, "gpio-keys", -1,
 438                                       &koelsch_keys_pdata,
 439                                       sizeof(koelsch_keys_pdata));
 440         platform_device_register_resndata(NULL, "qspi", 0,
 441                                           qspi_resources,
 442                                           ARRAY_SIZE(qspi_resources),
 443                                           &qspi_pdata, sizeof(qspi_pdata));
 444         spi_register_board_info(spi_info, ARRAY_SIZE(spi_info));
 445
 446         koelsch_add_du_device();
 447
 448         platform_device_register_full(&sata0_info);
 449
 450         koelsch_add_i2c(1);
 451         koelsch_add_i2c(2);
 452         koelsch_add_i2c(4);
 453         koelsch_add_i2c(5);
 454
 455         platform_device_register_data(NULL, "reg-fixed-voltage", 0,
 456                                       &vcc_sdhi0_info, sizeof(struct fixed_voltage_config));
 457         platform_device_register_data(NULL, "reg-fixed-voltage", 1,
 458                                       &vcc_sdhi1_info, sizeof(struct fixed_voltage_config));
 459         platform_device_register_data(NULL, "reg-fixed-voltage", 2,
 460                                       &vcc_sdhi2_info, sizeof(struct fixed_voltage_config));
 461         platform_device_register_data(NULL, "gpio-regulator", 0,
 462                                       &vccq_sdhi0_info, sizeof(struct gpio_regulator_config));
 463         platform_device_register_data(NULL, "gpio-regulator", 1,
 464                                       &vccq_sdhi1_info, sizeof(struct gpio_regulator_config));
 465         platform_device_register_data(NULL, "gpio-regulator", 2,
 466                                       &vccq_sdhi2_info, sizeof(struct gpio_regulator_config));
 467
 468         platform_device_register_resndata(NULL, "sh_mobile_sdhi", 0,
 469                                           sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
 470                                           &sdhi0_info, sizeof(struct sh_mobile_sdhi_info));
 471
 472         platform_device_register_resndata(NULL, "sh_mobile_sdhi", 1,
 473                                           sdhi1_resources, ARRAY_SIZE(sdhi1_resources),
 474                                           &sdhi1_info, sizeof(struct sh_mobile_sdhi_info));
 475
 476         platform_device_register_resndata(NULL, "sh_mobile_sdhi", 2,
 477                                           sdhi2_resources, ARRAY_SIZE(sdhi2_resources),
 478                                           &sdhi2_info, sizeof(struct sh_mobile_sdhi_info));
 479
 480 }
 481
 482 /*
 483  * Ether LEDs on the Koelsch board are named LINK and ACTIVE which corresponds
 484  * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits
 485  * 14-15. We have to set them back to 01 from the default 00 value each time
 486  * the PHY is reset. It's also important because the PHY's LED0 signal is
 487  * connected to SoC's ETH_LINK signal and in the PHY's default mode it will
 488  * bounce on and off after each packet, which we apparently want to avoid.
 489  */
 490 static int koelsch_ksz8041_fixup(struct phy_device *phydev)
 491 {
 492         u16 phyctrl1 = phy_read(phydev, 0x1e);
 493
 494         phyctrl1 &= ~0xc000;
 495         phyctrl1 |= 0x4000;
 496         return phy_write(phydev, 0x1e, phyctrl1);
 497 }
 498
 499 static void __init koelsch_init(void)
 500 {
 501         koelsch_add_standard_devices();
 502
 503         irq_set_irq_type(irq_pin(0), IRQ_TYPE_LEVEL_LOW);
 504
 505         if (IS_ENABLED(CONFIG_PHYLIB))
 506                 phy_register_fixup_for_id("r8a7791-ether-ff:01",
 507                                           koelsch_ksz8041_fixup);
 508 }
 509
 510 static const char * const koelsch_boards_compat_dt[] __initconst = {
 511         "renesas,koelsch",
 512         NULL,
 513 };
 514
 515 DT_MACHINE_START(KOELSCH_DT, "koelsch")
 516         .smp            = smp_ops(r8a7791_smp_ops),
 517         .init_early     = shmobile_init_delay,
 518         .init_time      = rcar_gen2_timer_init,
 519         .init_machine   = koelsch_init,
 520         .init_late      = shmobile_init_late,
 521         .reserve        = rcar_gen2_reserve,
 522         .dt_compat      = koelsch_boards_compat_dt,
 523 MACHINE_END