arch/arm/plat-stmp3xxx/devices.c

   1 /*
   2 * Freescale STMP37XX/STMP378X platform devices
   3 *
   4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
   5 *
   6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
   7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
   8 */
   9
  10 /*
  11 * The code contained herein is licensed under the GNU General Public
  12 * License. You may obtain a copy of the GNU General Public License
  13 * Version 2 or later at the following locations:
  14 *
  15 * http://www.opensource.org/licenses/gpl-license.html
  16 * http://www.gnu.org/copyleft/gpl.html
  17 */
  18 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/device.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/dma-mapping.h>
  23
  24 #include <mach/dma.h>
  25 #include <mach/platform.h>
  26 #include <mach/stmp3xxx.h>
  27 #include <mach/regs-lcdif.h>
  28 #include <mach/regs-uartapp.h>
  29 #include <mach/regs-gpmi.h>
  30 #include <mach/regs-usbctrl.h>
  31 #include <mach/regs-ssp.h>
  32 #include <mach/regs-rtc.h>
  33
  34 static u64 common_dmamask = DMA_BIT_MASK(32);
  35
  36 static struct resource appuart_resources[] = {
  37         {
  38                 .start = IRQ_UARTAPP_INTERNAL,
  39                 .end = IRQ_UARTAPP_INTERNAL,
  40                 .flags = IORESOURCE_IRQ,
  41         }, {
  42                 .start = IRQ_UARTAPP_RX_DMA,
  43                 .end = IRQ_UARTAPP_RX_DMA,
  44                 .flags = IORESOURCE_IRQ,
  45         }, {
  46                 .start = IRQ_UARTAPP_TX_DMA,
  47                 .end = IRQ_UARTAPP_TX_DMA,
  48                 .flags = IORESOURCE_IRQ,
  49         }, {
  50                 .start = REGS_UARTAPP1_PHYS,
  51                 .end = REGS_UARTAPP1_PHYS + REGS_UARTAPP_SIZE,
  52                 .flags = IORESOURCE_MEM,
  53         }, {
  54                 /* Rx DMA channel */
  55                 .start = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
  56                 .end = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
  57                 .flags = IORESOURCE_DMA,
  58         }, {
  59                 /* Tx DMA channel */
  60                 .start = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
  61                 .end = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
  62                 .flags = IORESOURCE_DMA,
  63         },
  64 };
  65
  66 struct platform_device stmp3xxx_appuart = {
  67         .name = "stmp3xxx-appuart",
  68         .id = 0,
  69         .resource = appuart_resources,
  70         .num_resources = ARRAY_SIZE(appuart_resources),
  71         .dev = {
  72                 .dma_mask       = &common_dmamask,
  73                 .coherent_dma_mask = DMA_BIT_MASK(32),
  74         },
  75 };
  76
  77 struct platform_device stmp3xxx_watchdog = {
  78       .name   = "stmp3xxx_wdt",
  79       .id     = -1,
  80 };
  81
  82 static struct resource ts_resource[] = {
  83         {
  84                 .flags  = IORESOURCE_IRQ,
  85                 .start  = IRQ_TOUCH_DETECT,
  86                 .end    = IRQ_TOUCH_DETECT,
  87         }, {
  88                 .flags  = IORESOURCE_IRQ,
  89                 .start  = IRQ_LRADC_CH5,
  90                 .end    = IRQ_LRADC_CH5,
  91         },
  92 };
  93
  94 struct platform_device stmp3xxx_touchscreen = {
  95         .name           = "stmp3xxx_ts",
  96         .id             = -1,
  97         .resource       = ts_resource,
  98         .num_resources  = ARRAY_SIZE(ts_resource),
  99 };
 100
 101 /*
 102 * Keypad device
 103 */
 104 struct platform_device stmp3xxx_keyboard = {
 105         .name           = "stmp3xxx-keyboard",
 106         .id             = -1,
 107 };
 108
 109 static struct resource gpmi_resources[] = {
 110         {
 111                 .flags = IORESOURCE_MEM,
 112                 .start = REGS_GPMI_PHYS,
 113                 .end = REGS_GPMI_PHYS + REGS_GPMI_SIZE,
 114         }, {
 115                 .flags = IORESOURCE_IRQ,
 116                 .start = IRQ_GPMI_DMA,
 117                 .end = IRQ_GPMI_DMA,
 118         }, {
 119                 .flags = IORESOURCE_DMA,
 120                 .start = STMP3XXX_DMA(4, STMP3XXX_BUS_APBH),
 121                 .end = STMP3XXX_DMA(8, STMP3XXX_BUS_APBH),
 122         },
 123 };
 124
 125 struct platform_device stmp3xxx_gpmi = {
 126         .name = "gpmi",
 127         .id = -1,
 128         .dev    = {
 129                 .dma_mask       = &common_dmamask,
 130                 .coherent_dma_mask = DMA_BIT_MASK(32),
 131         },
 132         .resource = gpmi_resources,
 133         .num_resources = ARRAY_SIZE(gpmi_resources),
 134 };
 135
 136 static struct resource mmc1_resource[] = {
 137         {
 138                 .flags  = IORESOURCE_MEM,
 139                 .start  = REGS_SSP1_PHYS,
 140                 .end    = REGS_SSP1_PHYS + REGS_SSP_SIZE,
 141         }, {
 142                 .flags  = IORESOURCE_DMA,
 143                 .start  = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
 144                 .end    = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
 145         }, {
 146                 .flags  = IORESOURCE_IRQ,
 147                 .start  = IRQ_SSP1_DMA,
 148                 .end    = IRQ_SSP1_DMA,
 149         }, {
 150                 .flags  = IORESOURCE_IRQ,
 151                 .start  = IRQ_SSP_ERROR,
 152                 .end    = IRQ_SSP_ERROR,
 153         },
 154 };
 155
 156 struct platform_device stmp3xxx_mmc = {
 157         .name   = "stmp3xxx-mmc",
 158         .id     = 1,
 159         .dev    = {
 160                 .dma_mask       = &common_dmamask,
 161                 .coherent_dma_mask = DMA_BIT_MASK(32),
 162         },
 163         .resource = mmc1_resource,
 164         .num_resources = ARRAY_SIZE(mmc1_resource),
 165 };
 166
 167 static struct resource usb_resources[] = {
 168         {
 169                 .start  = REGS_USBCTRL_PHYS,
 170                 .end    = REGS_USBCTRL_PHYS + SZ_4K,
 171                 .flags  = IORESOURCE_MEM,
 172         }, {
 173                 .start  = IRQ_USB_CTRL,
 174                 .end    = IRQ_USB_CTRL,
 175                 .flags  = IORESOURCE_IRQ,
 176         },
 177 };
 178
 179 struct platform_device stmp3xxx_udc = {
 180         .name           = "fsl-usb2-udc",
 181         .id             = -1,
 182         .dev            = {
 183                 .dma_mask               = &common_dmamask,
 184                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 185         },
 186         .resource = usb_resources,
 187         .num_resources = ARRAY_SIZE(usb_resources),
 188 };
 189
 190 struct platform_device stmp3xxx_ehci = {
 191         .name           = "fsl-ehci",
 192         .id             = -1,
 193         .dev            = {
 194                 .dma_mask               = &common_dmamask,
 195                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 196         },
 197         .resource       = usb_resources,
 198         .num_resources  = ARRAY_SIZE(usb_resources),
 199 };
 200
 201 static struct resource rtc_resources[] = {
 202         {
 203                 .start  = REGS_RTC_PHYS,
 204                 .end    = REGS_RTC_PHYS + REGS_RTC_SIZE,
 205                 .flags  = IORESOURCE_MEM,
 206         }, {
 207                 .start  = IRQ_RTC_ALARM,
 208                 .end    = IRQ_RTC_ALARM,
 209                 .flags  = IORESOURCE_IRQ,
 210         }, {
 211                 .start  = IRQ_RTC_1MSEC,
 212                 .end    = IRQ_RTC_1MSEC,
 213                 .flags  = IORESOURCE_IRQ,
 214         },
 215 };
 216
 217 struct platform_device stmp3xxx_rtc = {
 218         .name           = "stmp3xxx-rtc",
 219         .id             = -1,
 220         .resource       = rtc_resources,
 221         .num_resources  = ARRAY_SIZE(rtc_resources),
 222 };
 223
 224 static struct resource ssp1_resources[] = {
 225         {
 226                 .start  = REGS_SSP1_PHYS,
 227                 .end    = REGS_SSP1_PHYS + REGS_SSP_SIZE,
 228                 .flags  = IORESOURCE_MEM,
 229         }, {
 230                 .start  = IRQ_SSP1_DMA,
 231                 .end    = IRQ_SSP1_DMA,
 232                 .flags  = IORESOURCE_IRQ,
 233         }, {
 234                 .start  = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
 235                 .end    = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
 236                 .flags  = IORESOURCE_DMA,
 237         },
 238 };
 239
 240 static struct resource ssp2_resources[] = {
 241         {
 242                 .start  = REGS_SSP2_PHYS,
 243                 .end    = REGS_SSP2_PHYS + REGS_SSP_SIZE,
 244                 .flags  = IORESOURCE_MEM,
 245         }, {
 246                 .start  = IRQ_SSP2_DMA,
 247                 .end    = IRQ_SSP2_DMA,
 248                 .flags  = IORESOURCE_IRQ,
 249         }, {
 250                 .start  = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
 251                 .end    = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
 252                 .flags  = IORESOURCE_DMA,
 253         },
 254 };
 255
 256 struct platform_device stmp3xxx_spi1 = {
 257         .name   = "stmp3xxx_ssp",
 258         .id     = 1,
 259         .dev    = {
 260                 .dma_mask       = &common_dmamask,
 261                 .coherent_dma_mask = DMA_BIT_MASK(32),
 262         },
 263         .resource = ssp1_resources,
 264         .num_resources = ARRAY_SIZE(ssp1_resources),
 265 };
 266
 267 struct platform_device stmp3xxx_spi2 = {
 268         .name   = "stmp3xxx_ssp",
 269         .id     = 2,
 270         .dev    = {
 271                 .dma_mask       = &common_dmamask,
 272                 .coherent_dma_mask = DMA_BIT_MASK(32),
 273         },
 274         .resource = ssp2_resources,
 275         .num_resources = ARRAY_SIZE(ssp2_resources),
 276 };
 277
 278 static struct resource fb_resource[] = {
 279         {
 280                 .flags  = IORESOURCE_IRQ,
 281                 .start  = IRQ_LCDIF_DMA,
 282                 .end    = IRQ_LCDIF_DMA,
 283         }, {
 284                 .flags  = IORESOURCE_IRQ,
 285                 .start  = IRQ_LCDIF_ERROR,
 286                 .end    = IRQ_LCDIF_ERROR,
 287         }, {
 288                 .flags  = IORESOURCE_MEM,
 289                 .start  = REGS_LCDIF_PHYS,
 290                 .end    = REGS_LCDIF_PHYS + REGS_LCDIF_SIZE,
 291         },
 292 };
 293
 294 struct platform_device stmp3xxx_framebuffer = {
 295         .name           = "stmp3xxx-fb",
 296         .id             = -1,
 297         .dev            = {
 298                 .dma_mask               = &common_dmamask,
 299                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 300         },
 301         .num_resources  = ARRAY_SIZE(fb_resource),
 302         .resource       = fb_resource,
 303 };
 304
 305 #define CMDLINE_DEVICE_CHOOSE(name, dev1, dev2)                 \
 306         static char *cmdline_device_##name;                     \
 307         static int cmdline_device_##name##_setup(char *dev)     \
 308         {                                                       \
 309                 cmdline_device_##name = dev + 1;                \
 310                 return 0;                                       \
 311         }                                                       \
 312         __setup(#name, cmdline_device_##name##_setup);          \
 313         int stmp3xxx_##name##_device_register(void)             \
 314         {                                                       \
 315                 struct platform_device *d = NULL;               \
 316                 if (!cmdline_device_##name ||                   \
 317                         !strcmp(cmdline_device_##name, #dev1))  \
 318                                 d = &stmp3xxx_##dev1;           \
 319                 else if (!strcmp(cmdline_device_##name, #dev2)) \
 320                                 d = &stmp3xxx_##dev2;           \
 321                 else                                            \
 322                         printk(KERN_ERR"Unknown %s assignment '%s'.\n", \
 323                                 #name, cmdline_device_##name);  \
 324                 return d ? platform_device_register(d) : -ENOENT;       \
 325         }
 326
 327 CMDLINE_DEVICE_CHOOSE(ssp1, mmc, spi1)
 328 CMDLINE_DEVICE_CHOOSE(ssp2, gpmi, spi2)
 329
 330 struct platform_device stmp3xxx_backlight = {
 331         .name           = "stmp3xxx-bl",
 332         .id             = -1,
 333 };
 334
 335 struct platform_device stmp3xxx_rotdec = {
 336         .name   = "stmp3xxx-rotdec",
 337         .id     = -1,
 338 };
 339
 340 struct platform_device stmp3xxx_persistent = {
 341         .name                   = "stmp3xxx-persistent",
 342         .id                     = -1,
 343 };
 344
 345 struct platform_device stmp3xxx_dcp_bootstream = {
 346         .name                   = "stmp3xxx-dcpboot",
 347         .id                     = -1,
 348         .dev    = {
 349                 .dma_mask       = &common_dmamask,
 350                 .coherent_dma_mask = DMA_BIT_MASK(32),
 351         },
 352 };
 353
 354 static struct resource dcp_resources[] = {
 355         {
 356                 .start = IRQ_DCP_VMI,
 357                 .end = IRQ_DCP_VMI,
 358                 .flags = IORESOURCE_IRQ,
 359         }, {
 360                 .start = IRQ_DCP,
 361                 .end = IRQ_DCP,
 362                 .flags = IORESOURCE_IRQ,
 363         },
 364 };
 365
 366 struct platform_device stmp3xxx_dcp = {
 367         .name                   = "stmp3xxx-dcp",
 368         .id                     = -1,
 369         .resource               = dcp_resources,
 370         .num_resources          = ARRAY_SIZE(dcp_resources),
 371         .dev    = {
 372                 .dma_mask       = &common_dmamask,
 373                 .coherent_dma_mask = DMA_BIT_MASK(32),
 374         },
 375 };
 376
 377 static struct resource battery_resource[] = {
 378         {
 379                 .flags  = IORESOURCE_IRQ,
 380                 .start  = IRQ_VDD5V,
 381                 .end    = IRQ_VDD5V,
 382         },
 383 };
 384
 385 struct platform_device stmp3xxx_battery = {
 386         .name   = "stmp3xxx-battery",
 387         .resource = battery_resource,
 388         .num_resources = ARRAY_SIZE(battery_resource),
 389 };