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/gpio.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/regulator/fixed.h>
  31 #include <linux/regulator/machine.h>
  32 #include <linux/smsc911x.h>
  33 #include <linux/spi/spi.h>
  34 #include <linux/spi/sh_hspi.h>
  35 #include <linux/mmc/sh_mobile_sdhi.h>
  36 #include <linux/mfd/tmio.h>
  37 #include <linux/usb/otg.h>
  38 #include <linux/usb/ehci_pdriver.h>
  39 #include <linux/usb/ohci_pdriver.h>
  40 #include <linux/pm_runtime.h>
  41 #include <mach/hardware.h>
  42 #include <mach/r8a7779.h>
  43 #include <mach/common.h>
  44 #include <mach/irqs.h>
  45 #include <asm/mach-types.h>
  46 #include <asm/mach/arch.h>
  47 #include <asm/traps.h>
  48
  49 /* Fixed 3.3V regulator to be used by SDHI0 */
  50 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
  51         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  52         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  53 };
  54
  55 /* Dummy supplies, where voltage doesn't matter */
  56 static struct regulator_consumer_supply dummy_supplies[] = {
  57         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  58         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  59 };
  60
  61 /* SMSC LAN89218 */
  62 static struct resource smsc911x_resources[] = {
  63         [0] = {
  64                 .start          = 0x18000000, /* ExCS0 */
  65                 .end            = 0x180000ff, /* A1->A7 */
  66                 .flags          = IORESOURCE_MEM,
  67         },
  68         [1] = {
  69                 .start          = gic_spi(28), /* IRQ 1 */
  70                 .flags          = IORESOURCE_IRQ,
  71         },
  72 };
  73
  74 static struct smsc911x_platform_config smsc911x_platdata = {
  75         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  76         .phy_interface  = PHY_INTERFACE_MODE_MII,
  77         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  78         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  79 };
  80
  81 static struct platform_device eth_device = {
  82         .name           = "smsc911x",
  83         .id             = -1,
  84         .dev  = {
  85                 .platform_data = &smsc911x_platdata,
  86         },
  87         .resource       = smsc911x_resources,
  88         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  89 };
  90
  91 static struct resource sdhi0_resources[] = {
  92         [0] = {
  93                 .name   = "sdhi0",
  94                 .start  = 0xffe4c000,
  95                 .end    = 0xffe4c0ff,
  96                 .flags  = IORESOURCE_MEM,
  97         },
  98         [1] = {
  99                 .start  = gic_spi(104),
 100                 .flags  = IORESOURCE_IRQ,
 101         },
 102 };
 103
 104 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
 105         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 106         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
 107 };
 108
 109 static struct platform_device sdhi0_device = {
 110         .name = "sh_mobile_sdhi",
 111         .num_resources = ARRAY_SIZE(sdhi0_resources),
 112         .resource = sdhi0_resources,
 113         .id = 0,
 114         .dev = {
 115                 .platform_data = &sdhi0_platform_data,
 116         }
 117 };
 118
 119 /* Thermal */
 120 static struct resource thermal_resources[] = {
 121         [0] = {
 122                 .start          = 0xFFC48000,
 123                 .end            = 0xFFC48038 - 1,
 124                 .flags          = IORESOURCE_MEM,
 125         },
 126 };
 127
 128 static struct platform_device thermal_device = {
 129         .name           = "rcar_thermal",
 130         .resource       = thermal_resources,
 131         .num_resources  = ARRAY_SIZE(thermal_resources),
 132 };
 133
 134 /* HSPI */
 135 static struct resource hspi_resources[] = {
 136         [0] = {
 137                 .start          = 0xFFFC7000,
 138                 .end            = 0xFFFC7018 - 1,
 139                 .flags          = IORESOURCE_MEM,
 140         },
 141 };
 142
 143 static struct platform_device hspi_device = {
 144         .name   = "sh-hspi",
 145         .id     = 0,
 146         .resource       = hspi_resources,
 147         .num_resources  = ARRAY_SIZE(hspi_resources),
 148 };
 149
 150 /* USB PHY */
 151 static struct resource usb_phy_resources[] = {
 152         [0] = {
 153                 .start          = 0xffe70000,
 154                 .end            = 0xffe70900 - 1,
 155                 .flags          = IORESOURCE_MEM,
 156         },
 157         [1] = {
 158                 .start          = 0xfff70000,
 159                 .end            = 0xfff70900 - 1,
 160                 .flags          = IORESOURCE_MEM,
 161         },
 162 };
 163
 164 static struct platform_device usb_phy_device = {
 165         .name           = "rcar_usb_phy",
 166         .resource       = usb_phy_resources,
 167         .num_resources  = ARRAY_SIZE(usb_phy_resources),
 168 };
 169
 170 static struct platform_device *marzen_devices[] __initdata = {
 171         &eth_device,
 172         &sdhi0_device,
 173         &thermal_device,
 174         &hspi_device,
 175         &usb_phy_device,
 176 };
 177
 178 /* USB */
 179 static struct usb_phy *phy;
 180 static int usb_power_on(struct platform_device *pdev)
 181 {
 182         if (!phy)
 183                 return -EIO;
 184
 185         pm_runtime_enable(&pdev->dev);
 186         pm_runtime_get_sync(&pdev->dev);
 187
 188         usb_phy_init(phy);
 189
 190         return 0;
 191 }
 192
 193 static void usb_power_off(struct platform_device *pdev)
 194 {
 195         if (!phy)
 196                 return;
 197
 198         usb_phy_shutdown(phy);
 199
 200         pm_runtime_put_sync(&pdev->dev);
 201         pm_runtime_disable(&pdev->dev);
 202 }
 203
 204 static struct usb_ehci_pdata ehcix_pdata = {
 205         .power_on       = usb_power_on,
 206         .power_off      = usb_power_off,
 207         .power_suspend  = usb_power_off,
 208 };
 209
 210 static struct resource ehci0_resources[] = {
 211         [0] = {
 212                 .start  = 0xffe70000,
 213                 .end    = 0xffe70400 - 1,
 214                 .flags  = IORESOURCE_MEM,
 215         },
 216         [1] = {
 217                 .start  = gic_spi(44),
 218                 .flags  = IORESOURCE_IRQ,
 219         },
 220 };
 221
 222 static struct platform_device ehci0_device = {
 223         .name   = "ehci-platform",
 224         .id     = 0,
 225         .dev    = {
 226                 .dma_mask               = &ehci0_device.dev.coherent_dma_mask,
 227                 .coherent_dma_mask      = 0xffffffff,
 228                 .platform_data          = &ehcix_pdata,
 229         },
 230         .num_resources  = ARRAY_SIZE(ehci0_resources),
 231         .resource       = ehci0_resources,
 232 };
 233
 234 static struct resource ehci1_resources[] = {
 235         [0] = {
 236                 .start  = 0xfff70000,
 237                 .end    = 0xfff70400 - 1,
 238                 .flags  = IORESOURCE_MEM,
 239         },
 240         [1] = {
 241                 .start  = gic_spi(45),
 242                 .flags  = IORESOURCE_IRQ,
 243         },
 244 };
 245
 246 static struct platform_device ehci1_device = {
 247         .name   = "ehci-platform",
 248         .id     = 1,
 249         .dev    = {
 250                 .dma_mask               = &ehci1_device.dev.coherent_dma_mask,
 251                 .coherent_dma_mask      = 0xffffffff,
 252                 .platform_data          = &ehcix_pdata,
 253         },
 254         .num_resources  = ARRAY_SIZE(ehci1_resources),
 255         .resource       = ehci1_resources,
 256 };
 257
 258 static struct usb_ohci_pdata ohcix_pdata = {
 259         .power_on       = usb_power_on,
 260         .power_off      = usb_power_off,
 261         .power_suspend  = usb_power_off,
 262 };
 263
 264 static struct resource ohci0_resources[] = {
 265         [0] = {
 266                 .start  = 0xffe70400,
 267                 .end    = 0xffe70800 - 1,
 268                 .flags  = IORESOURCE_MEM,
 269         },
 270         [1] = {
 271                 .start  = gic_spi(44),
 272                 .flags  = IORESOURCE_IRQ,
 273         },
 274 };
 275
 276 static struct platform_device ohci0_device = {
 277         .name   = "ohci-platform",
 278         .id     = 0,
 279         .dev    = {
 280                 .dma_mask               = &ohci0_device.dev.coherent_dma_mask,
 281                 .coherent_dma_mask      = 0xffffffff,
 282                 .platform_data          = &ohcix_pdata,
 283         },
 284         .num_resources  = ARRAY_SIZE(ohci0_resources),
 285         .resource       = ohci0_resources,
 286 };
 287
 288 static struct resource ohci1_resources[] = {
 289         [0] = {
 290                 .start  = 0xfff70400,
 291                 .end    = 0xfff70800 - 1,
 292                 .flags  = IORESOURCE_MEM,
 293         },
 294         [1] = {
 295                 .start  = gic_spi(45),
 296                 .flags  = IORESOURCE_IRQ,
 297         },
 298 };
 299
 300 static struct platform_device ohci1_device = {
 301         .name   = "ohci-platform",
 302         .id     = 1,
 303         .dev    = {
 304                 .dma_mask               = &ohci1_device.dev.coherent_dma_mask,
 305                 .coherent_dma_mask      = 0xffffffff,
 306                 .platform_data          = &ohcix_pdata,
 307         },
 308         .num_resources  = ARRAY_SIZE(ohci1_resources),
 309         .resource       = ohci1_resources,
 310 };
 311
 312 static struct platform_device *marzen_late_devices[] __initdata = {
 313         &ehci0_device,
 314         &ehci1_device,
 315         &ohci0_device,
 316         &ohci1_device,
 317 };
 318
 319 void __init marzen_init_late(void)
 320 {
 321         /* get usb phy */
 322         phy = usb_get_phy(USB_PHY_TYPE_USB2);
 323
 324         shmobile_init_late();
 325         platform_add_devices(marzen_late_devices,
 326                              ARRAY_SIZE(marzen_late_devices));
 327 }
 328
 329 static void __init marzen_init(void)
 330 {
 331         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 332                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 333         regulator_register_fixed(1, dummy_supplies,
 334                                 ARRAY_SIZE(dummy_supplies));
 335
 336         r8a7779_pinmux_init();
 337
 338         /* SCIF2 (CN18: DEBUG0) */
 339         gpio_request(GPIO_FN_TX2_C, NULL);
 340         gpio_request(GPIO_FN_RX2_C, NULL);
 341
 342         /* SCIF4 (CN19: DEBUG1) */
 343         gpio_request(GPIO_FN_TX4, NULL);
 344         gpio_request(GPIO_FN_RX4, NULL);
 345
 346         /* LAN89218 */
 347         gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
 348         gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
 349
 350         /* SD0 (CN20) */
 351         gpio_request(GPIO_FN_SD0_CLK, NULL);
 352         gpio_request(GPIO_FN_SD0_CMD, NULL);
 353         gpio_request(GPIO_FN_SD0_DAT0, NULL);
 354         gpio_request(GPIO_FN_SD0_DAT1, NULL);
 355         gpio_request(GPIO_FN_SD0_DAT2, NULL);
 356         gpio_request(GPIO_FN_SD0_DAT3, NULL);
 357         gpio_request(GPIO_FN_SD0_CD, NULL);
 358         gpio_request(GPIO_FN_SD0_WP, NULL);
 359
 360         /* HSPI 0 */
 361         gpio_request(GPIO_FN_HSPI_CLK0, NULL);
 362         gpio_request(GPIO_FN_HSPI_CS0,  NULL);
 363         gpio_request(GPIO_FN_HSPI_TX0,  NULL);
 364         gpio_request(GPIO_FN_HSPI_RX0,  NULL);
 365
 366         /* USB (CN21) */
 367         gpio_request(GPIO_FN_USB_OVC0, NULL);
 368         gpio_request(GPIO_FN_USB_OVC1, NULL);
 369         gpio_request(GPIO_FN_USB_OVC2, NULL);
 370
 371         /* USB (CN22) */
 372         gpio_request(GPIO_FN_USB_PENC2, NULL);
 373
 374         r8a7779_add_standard_devices();
 375         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 376 }
 377
 378 MACHINE_START(MARZEN, "marzen")
 379         .smp            = smp_ops(r8a7779_smp_ops),
 380         .map_io         = r8a7779_map_io,
 381         .init_early     = r8a7779_add_early_devices,
 382         .nr_irqs        = NR_IRQS_LEGACY,
 383         .init_irq       = r8a7779_init_irq,
 384         .init_machine   = marzen_init,
 385         .init_late      = marzen_init_late,
 386         .init_time      = r8a7779_earlytimer_init,
 387 MACHINE_END