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