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

   1 /*
   2  * marzen board support
   3  *
   4  * Copyright (C) 2011  Renesas Solutions Corp.
   5  * Copyright (C) 2011  Magnus Damm
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/delay.h>
  27 #include <linux/io.h>
  28 #include <linux/leds.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/pinctrl/machine.h>
  31 #include <linux/regulator/fixed.h>
  32 #include <linux/regulator/machine.h>
  33 #include <linux/smsc911x.h>
  34 #include <linux/spi/spi.h>
  35 #include <linux/spi/sh_hspi.h>
  36 #include <linux/mmc/host.h>
  37 #include <linux/mmc/sh_mobile_sdhi.h>
  38 #include <linux/mfd/tmio.h>
  39 #include <linux/usb/otg.h>
  40 #include <linux/usb/ehci_pdriver.h>
  41 #include <linux/usb/ohci_pdriver.h>
  42 #include <linux/pm_runtime.h>
  43 #include <mach/hardware.h>
  44 #include <mach/r8a7779.h>
  45 #include <mach/common.h>
  46 #include <mach/irqs.h>
  47 #include <asm/mach-types.h>
  48 #include <asm/mach/arch.h>
  49 #include <asm/traps.h>
  50
  51 /* Fixed 3.3V regulator to be used by SDHI0 */
  52 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
  53         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  54         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  55 };
  56
  57 /* Dummy supplies, where voltage doesn't matter */
  58 static struct regulator_consumer_supply dummy_supplies[] = {
  59         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  60         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  61 };
  62
  63 /* SMSC LAN89218 */
  64 static struct resource smsc911x_resources[] = {
  65         [0] = {
  66                 .start          = 0x18000000, /* ExCS0 */
  67                 .end            = 0x180000ff, /* A1->A7 */
  68                 .flags          = IORESOURCE_MEM,
  69         },
  70         [1] = {
  71                 .start          = gic_iid(0x3c), /* IRQ 1 */
  72                 .flags          = IORESOURCE_IRQ,
  73         },
  74 };
  75
  76 static struct smsc911x_platform_config smsc911x_platdata = {
  77         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  78         .phy_interface  = PHY_INTERFACE_MODE_MII,
  79         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  80         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  81 };
  82
  83 static struct platform_device eth_device = {
  84         .name           = "smsc911x",
  85         .id             = -1,
  86         .dev  = {
  87                 .platform_data = &smsc911x_platdata,
  88         },
  89         .resource       = smsc911x_resources,
  90         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  91 };
  92
  93 static struct resource sdhi0_resources[] = {
  94         [0] = {
  95                 .name   = "sdhi0",
  96                 .start  = 0xffe4c000,
  97                 .end    = 0xffe4c0ff,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = gic_iid(0x88),
 102                 .flags  = IORESOURCE_IRQ,
 103         },
 104 };
 105
 106 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
 107         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 108         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
 109 };
 110
 111 static struct platform_device sdhi0_device = {
 112         .name = "sh_mobile_sdhi",
 113         .num_resources = ARRAY_SIZE(sdhi0_resources),
 114         .resource = sdhi0_resources,
 115         .id = 0,
 116         .dev = {
 117                 .platform_data = &sdhi0_platform_data,
 118         }
 119 };
 120
 121 /* Thermal */
 122 static struct resource thermal_resources[] = {
 123         [0] = {
 124                 .start          = 0xFFC48000,
 125                 .end            = 0xFFC48038 - 1,
 126                 .flags          = IORESOURCE_MEM,
 127         },
 128 };
 129
 130 static struct platform_device thermal_device = {
 131         .name           = "rcar_thermal",
 132         .resource       = thermal_resources,
 133         .num_resources  = ARRAY_SIZE(thermal_resources),
 134 };
 135
 136 /* HSPI */
 137 static struct resource hspi_resources[] = {
 138         [0] = {
 139                 .start          = 0xFFFC7000,
 140                 .end            = 0xFFFC7018 - 1,
 141                 .flags          = IORESOURCE_MEM,
 142         },
 143 };
 144
 145 static struct platform_device hspi_device = {
 146         .name   = "sh-hspi",
 147         .id     = 0,
 148         .resource       = hspi_resources,
 149         .num_resources  = ARRAY_SIZE(hspi_resources),
 150 };
 151
 152 /* USB PHY */
 153 static struct resource usb_phy_resources[] = {
 154         [0] = {
 155                 .start          = 0xffe70000,
 156                 .end            = 0xffe70900 - 1,
 157                 .flags          = IORESOURCE_MEM,
 158         },
 159         [1] = {
 160                 .start          = 0xfff70000,
 161                 .end            = 0xfff70900 - 1,
 162                 .flags          = IORESOURCE_MEM,
 163         },
 164 };
 165
 166 static struct platform_device usb_phy_device = {
 167         .name           = "rcar_usb_phy",
 168         .resource       = usb_phy_resources,
 169         .num_resources  = ARRAY_SIZE(usb_phy_resources),
 170 };
 171
 172 /* LEDS */
 173 static struct gpio_led marzen_leds[] = {
 174         {
 175                 .name           = "led2",
 176                 .gpio           = 157,
 177                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 178         }, {
 179                 .name           = "led3",
 180                 .gpio           = 158,
 181                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 182         }, {
 183                 .name           = "led4",
 184                 .gpio           = 159,
 185                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
 186         },
 187 };
 188
 189 static struct gpio_led_platform_data marzen_leds_pdata = {
 190         .leds           = marzen_leds,
 191         .num_leds       = ARRAY_SIZE(marzen_leds),
 192 };
 193
 194 static struct platform_device leds_device = {
 195         .name   = "leds-gpio",
 196         .id     = 0,
 197         .dev    = {
 198                 .platform_data  = &marzen_leds_pdata,
 199         },
 200 };
 201
 202 static struct platform_device *marzen_devices[] __initdata = {
 203         &eth_device,
 204         &sdhi0_device,
 205         &thermal_device,
 206         &hspi_device,
 207         &usb_phy_device,
 208         &leds_device,
 209 };
 210
 211 /* USB */
 212 static struct usb_phy *phy;
 213 static int usb_power_on(struct platform_device *pdev)
 214 {
 215         if (!phy)
 216                 return -EIO;
 217
 218         pm_runtime_enable(&pdev->dev);
 219         pm_runtime_get_sync(&pdev->dev);
 220
 221         usb_phy_init(phy);
 222
 223         return 0;
 224 }
 225
 226 static void usb_power_off(struct platform_device *pdev)
 227 {
 228         if (!phy)
 229                 return;
 230
 231         usb_phy_shutdown(phy);
 232
 233         pm_runtime_put_sync(&pdev->dev);
 234         pm_runtime_disable(&pdev->dev);
 235 }
 236
 237 static struct usb_ehci_pdata ehcix_pdata = {
 238         .power_on       = usb_power_on,
 239         .power_off      = usb_power_off,
 240         .power_suspend  = usb_power_off,
 241 };
 242
 243 static struct resource ehci0_resources[] = {
 244         [0] = {
 245                 .start  = 0xffe70000,
 246                 .end    = 0xffe70400 - 1,
 247                 .flags  = IORESOURCE_MEM,
 248         },
 249         [1] = {
 250                 .start  = gic_iid(0x4c),
 251                 .flags  = IORESOURCE_IRQ,
 252         },
 253 };
 254
 255 static struct platform_device ehci0_device = {
 256         .name   = "ehci-platform",
 257         .id     = 0,
 258         .dev    = {
 259                 .dma_mask               = &ehci0_device.dev.coherent_dma_mask,
 260                 .coherent_dma_mask      = 0xffffffff,
 261                 .platform_data          = &ehcix_pdata,
 262         },
 263         .num_resources  = ARRAY_SIZE(ehci0_resources),
 264         .resource       = ehci0_resources,
 265 };
 266
 267 static struct resource ehci1_resources[] = {
 268         [0] = {
 269                 .start  = 0xfff70000,
 270                 .end    = 0xfff70400 - 1,
 271                 .flags  = IORESOURCE_MEM,
 272         },
 273         [1] = {
 274                 .start  = gic_iid(0x4d),
 275                 .flags  = IORESOURCE_IRQ,
 276         },
 277 };
 278
 279 static struct platform_device ehci1_device = {
 280         .name   = "ehci-platform",
 281         .id     = 1,
 282         .dev    = {
 283                 .dma_mask               = &ehci1_device.dev.coherent_dma_mask,
 284                 .coherent_dma_mask      = 0xffffffff,
 285                 .platform_data          = &ehcix_pdata,
 286         },
 287         .num_resources  = ARRAY_SIZE(ehci1_resources),
 288         .resource       = ehci1_resources,
 289 };
 290
 291 static struct usb_ohci_pdata ohcix_pdata = {
 292         .power_on       = usb_power_on,
 293         .power_off      = usb_power_off,
 294         .power_suspend  = usb_power_off,
 295 };
 296
 297 static struct resource ohci0_resources[] = {
 298         [0] = {
 299                 .start  = 0xffe70400,
 300                 .end    = 0xffe70800 - 1,
 301                 .flags  = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start  = gic_iid(0x4c),
 305                 .flags  = IORESOURCE_IRQ,
 306         },
 307 };
 308
 309 static struct platform_device ohci0_device = {
 310         .name   = "ohci-platform",
 311         .id     = 0,
 312         .dev    = {
 313                 .dma_mask               = &ohci0_device.dev.coherent_dma_mask,
 314                 .coherent_dma_mask      = 0xffffffff,
 315                 .platform_data          = &ohcix_pdata,
 316         },
 317         .num_resources  = ARRAY_SIZE(ohci0_resources),
 318         .resource       = ohci0_resources,
 319 };
 320
 321 static struct resource ohci1_resources[] = {
 322         [0] = {
 323                 .start  = 0xfff70400,
 324                 .end    = 0xfff70800 - 1,
 325                 .flags  = IORESOURCE_MEM,
 326         },
 327         [1] = {
 328                 .start  = gic_iid(0x4d),
 329                 .flags  = IORESOURCE_IRQ,
 330         },
 331 };
 332
 333 static struct platform_device ohci1_device = {
 334         .name   = "ohci-platform",
 335         .id     = 1,
 336         .dev    = {
 337                 .dma_mask               = &ohci1_device.dev.coherent_dma_mask,
 338                 .coherent_dma_mask      = 0xffffffff,
 339                 .platform_data          = &ohcix_pdata,
 340         },
 341         .num_resources  = ARRAY_SIZE(ohci1_resources),
 342         .resource       = ohci1_resources,
 343 };
 344
 345 static struct platform_device *marzen_late_devices[] __initdata = {
 346         &ehci0_device,
 347         &ehci1_device,
 348         &ohci0_device,
 349         &ohci1_device,
 350 };
 351
 352 void __init marzen_init_late(void)
 353 {
 354         /* get usb phy */
 355         phy = usb_get_phy(USB_PHY_TYPE_USB2);
 356
 357         shmobile_init_late();
 358         platform_add_devices(marzen_late_devices,
 359                              ARRAY_SIZE(marzen_late_devices));
 360 }
 361
 362 static const struct pinctrl_map marzen_pinctrl_map[] = {
 363         /* HSPI0 */
 364         PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
 365                                   "hspi0", "hspi0"),
 366         /* SCIF2 (CN18: DEBUG0) */
 367         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
 368                                   "scif2_data_c", "scif2"),
 369         /* SCIF4 (CN19: DEBUG1) */
 370         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
 371                                   "scif4_data", "scif4"),
 372         /* SDHI0 */
 373         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 374                                   "sdhi0_data4", "sdhi0"),
 375         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 376                                   "sdhi0_ctrl", "sdhi0"),
 377         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 378                                   "sdhi0_cd", "sdhi0"),
 379         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
 380                                   "sdhi0_wp", "sdhi0"),
 381         /* SMSC */
 382         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
 383                                   "intc_irq1_b", "intc"),
 384         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
 385                                   "lbsc_ex_cs0", "lbsc"),
 386         /* USB0 */
 387         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
 388                                   "usb0", "usb0"),
 389         /* USB1 */
 390         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
 391                                   "usb1", "usb1"),
 392         /* USB2 */
 393         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
 394                                   "usb2", "usb2"),
 395 };
 396
 397 static void __init marzen_init(void)
 398 {
 399         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 400                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 401         regulator_register_fixed(1, dummy_supplies,
 402                                 ARRAY_SIZE(dummy_supplies));
 403
 404         pinctrl_register_mappings(marzen_pinctrl_map,
 405                                   ARRAY_SIZE(marzen_pinctrl_map));
 406         r8a7779_pinmux_init();
 407
 408         r8a7779_add_standard_devices();
 409         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 410 }
 411
 412 MACHINE_START(MARZEN, "marzen")
 413         .smp            = smp_ops(r8a7779_smp_ops),
 414         .map_io         = r8a7779_map_io,
 415         .init_early     = r8a7779_add_early_devices,
 416         .nr_irqs        = NR_IRQS_LEGACY,
 417         .init_irq       = r8a7779_init_irq,
 418         .init_machine   = marzen_init,
 419         .init_late      = marzen_init_late,
 420         .init_time      = r8a7779_earlytimer_init,
 421 MACHINE_END