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