arch/arm/mach-pxa/poodle.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/arm/mach-pxa/poodle.c
   4  *
   5  *  Support for the SHARP Poodle Board.
   6  *
   7  * Based on:
   8  *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
   9  *
  10  * Change Log
  11  *  12-Dec-2002 Sharp Corporation for Poodle
  12  *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
  13  */
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/export.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/fb.h>
  19 #include <linux/pm.h>
  20 #include <linux/delay.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio/machine.h>
  24 #include <linux/i2c.h>
  25 #include <linux/platform_data/i2c-pxa.h>
  26 #include <linux/regulator/machine.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/ads7846.h>
  29 #include <linux/spi/pxa2xx_spi.h>
  30 #include <linux/mtd/sharpsl.h>
  31 #include <linux/memblock.h>
  32
  33 #include <mach/hardware.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36 #include <asm/setup.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include "pxa25x.h"
  43 #include <linux/platform_data/mmc-pxamci.h>
  44 #include "udc.h"
  45 #include <linux/platform_data/irda-pxaficp.h>
  46 #include <mach/poodle.h>
  47 #include <linux/platform_data/video-pxafb.h>
  48
  49 #include <asm/hardware/scoop.h>
  50 #include <asm/hardware/locomo.h>
  51 #include <asm/mach/sharpsl_param.h>
  52
  53 #include "generic.h"
  54 #include "devices.h"
  55
  56 static unsigned long poodle_pin_config[] __initdata = {
  57         /* I/O */
  58         GPIO79_nCS_3,
  59         GPIO80_nCS_4,
  60         GPIO18_RDY,
  61
  62         /* Clock */
  63         GPIO12_32KHz,
  64
  65         /* SSP1 */
  66         GPIO23_SSP1_SCLK,
  67         GPIO25_SSP1_TXD,
  68         GPIO26_SSP1_RXD,
  69         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
  70
  71         /* I2S */
  72         GPIO28_I2S_BITCLK_OUT,
  73         GPIO29_I2S_SDATA_IN,
  74         GPIO30_I2S_SDATA_OUT,
  75         GPIO31_I2S_SYNC,
  76         GPIO32_I2S_SYSCLK,
  77
  78         /* Infra-Red */
  79         GPIO47_FICP_TXD,
  80         GPIO46_FICP_RXD,
  81
  82         /* FFUART */
  83         GPIO40_FFUART_DTR,
  84         GPIO41_FFUART_RTS,
  85         GPIO39_FFUART_TXD,
  86         GPIO37_FFUART_DSR,
  87         GPIO34_FFUART_RXD,
  88         GPIO35_FFUART_CTS,
  89
  90         /* LCD */
  91         GPIOxx_LCD_TFT_16BPP,
  92
  93         /* PC Card */
  94         GPIO48_nPOE,
  95         GPIO49_nPWE,
  96         GPIO50_nPIOR,
  97         GPIO51_nPIOW,
  98         GPIO52_nPCE_1,
  99         GPIO53_nPCE_2,
 100         GPIO54_nPSKTSEL,
 101         GPIO55_nPREG,
 102         GPIO56_nPWAIT,
 103         GPIO57_nIOIS16,
 104
 105         /* MMC */
 106         GPIO6_MMC_CLK,
 107         GPIO8_MMC_CS0,
 108
 109         /* GPIO */
 110         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 111         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 112         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 113         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 114
 115         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 116         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 117 };
 118
 119 static struct resource poodle_scoop_resources[] = {
 120         [0] = {
 121                 .start          = 0x10800000,
 122                 .end            = 0x10800fff,
 123                 .flags          = IORESOURCE_MEM,
 124         },
 125 };
 126
 127 static struct scoop_config poodle_scoop_setup = {
 128         .io_dir         = POODLE_SCOOP_IO_DIR,
 129         .io_out         = POODLE_SCOOP_IO_OUT,
 130         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
 131 };
 132
 133 struct platform_device poodle_scoop_device = {
 134         .name           = "sharp-scoop",
 135         .id             = -1,
 136         .dev            = {
 137                 .platform_data  = &poodle_scoop_setup,
 138         },
 139         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 140         .resource       = poodle_scoop_resources,
 141 };
 142
 143 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 144 {
 145         .dev        = &poodle_scoop_device.dev,
 146         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 147         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 148         .cd_irq_str = "PCMCIA0 CD",
 149 },
 150 };
 151
 152 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 153         .devs         = &poodle_pcmcia_scoop[0],
 154         .num_devs     = 1,
 155 };
 156
 157 EXPORT_SYMBOL(poodle_scoop_device);
 158
 159
 160 static struct platform_device poodle_audio_device = {
 161         .name   = "poodle-audio",
 162         .id     = -1,
 163 };
 164
 165 /* LoCoMo device */
 166 static struct resource locomo_resources[] = {
 167         [0] = {
 168                 .start          = 0x10000000,
 169                 .end            = 0x10001fff,
 170                 .flags          = IORESOURCE_MEM,
 171         },
 172         [1] = {
 173                 .start          = PXA_GPIO_TO_IRQ(10),
 174                 .end            = PXA_GPIO_TO_IRQ(10),
 175                 .flags          = IORESOURCE_IRQ,
 176         },
 177 };
 178
 179 static struct locomo_platform_data locomo_info = {
 180         .irq_base       = IRQ_BOARD_START,
 181 };
 182
 183 struct platform_device poodle_locomo_device = {
 184         .name           = "locomo",
 185         .id             = 0,
 186         .num_resources  = ARRAY_SIZE(locomo_resources),
 187         .resource       = locomo_resources,
 188         .dev            = {
 189                 .platform_data  = &locomo_info,
 190         },
 191 };
 192
 193 EXPORT_SYMBOL(poodle_locomo_device);
 194
 195 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 196 static struct pxa2xx_spi_controller poodle_spi_info = {
 197         .num_chipselect = 1,
 198 };
 199
 200 static struct ads7846_platform_data poodle_ads7846_info = {
 201         .model                  = 7846,
 202         .vref_delay_usecs       = 100,
 203         .x_plate_ohms           = 419,
 204         .y_plate_ohms           = 486,
 205         .gpio_pendown           = POODLE_GPIO_TP_INT,
 206 };
 207
 208 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
 209         .gpio_cs                = POODLE_GPIO_TP_CS,
 210 };
 211
 212 static struct spi_board_info poodle_spi_devices[] = {
 213         {
 214                 .modalias       = "ads7846",
 215                 .max_speed_hz   = 10000,
 216                 .bus_num        = 1,
 217                 .platform_data  = &poodle_ads7846_info,
 218                 .controller_data= &poodle_ads7846_chip,
 219                 .irq            = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
 220         },
 221 };
 222
 223 static void __init poodle_init_spi(void)
 224 {
 225         pxa2xx_set_spi_info(1, &poodle_spi_info);
 226         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 227 }
 228 #else
 229 static inline void poodle_init_spi(void) {}
 230 #endif
 231
 232 /*
 233  * MMC/SD Device
 234  *
 235  * The card detect interrupt isn't debounced so we delay it by 250ms
 236  * to give the card a chance to fully insert/eject.
 237  */
 238 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 239 {
 240         int err;
 241
 242         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 243         if (err)
 244                 goto err_free_2;
 245
 246         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 247         if (err)
 248                 goto err_free_3;
 249
 250         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 251         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 252
 253         return 0;
 254
 255 err_free_3:
 256         gpio_free(POODLE_GPIO_SD_PWR);
 257 err_free_2:
 258         return err;
 259 }
 260
 261 static int poodle_mci_setpower(struct device *dev, unsigned int vdd)
 262 {
 263         struct pxamci_platform_data* p_d = dev->platform_data;
 264
 265         if ((1 << vdd) & p_d->ocr_mask) {
 266                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 267                 mdelay(2);
 268                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 269         } else {
 270                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 271                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 272         }
 273
 274         return 0;
 275 }
 276
 277 static void poodle_mci_exit(struct device *dev, void *data)
 278 {
 279         gpio_free(POODLE_GPIO_SD_PWR1);
 280         gpio_free(POODLE_GPIO_SD_PWR);
 281 }
 282
 283 static struct pxamci_platform_data poodle_mci_platform_data = {
 284         .detect_delay_ms        = 250,
 285         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 286         .init                   = poodle_mci_init,
 287         .setpower               = poodle_mci_setpower,
 288         .exit                   = poodle_mci_exit,
 289 };
 290
 291 static struct gpiod_lookup_table poodle_mci_gpio_table = {
 292         .dev_id = "pxa2xx-mci.0",
 293         .table = {
 294                 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT,
 295                             "cd", GPIO_ACTIVE_LOW),
 296                 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP,
 297                             "wp", GPIO_ACTIVE_LOW),
 298                 { },
 299         },
 300 };
 301
 302 /*
 303  * Irda
 304  */
 305 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 306         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 307         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 308 };
 309
 310
 311 /*
 312  * USB Device Controller
 313  */
 314 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 315         /* no connect GPIO; poodle can't tell connection status */
 316         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 317 };
 318
 319
 320 /* PXAFB device */
 321 static struct pxafb_mode_info poodle_fb_mode = {
 322         .pixclock       = 144700,
 323         .xres           = 320,
 324         .yres           = 240,
 325         .bpp            = 16,
 326         .hsync_len      = 7,
 327         .left_margin    = 11,
 328         .right_margin   = 30,
 329         .vsync_len      = 2,
 330         .upper_margin   = 2,
 331         .lower_margin   = 0,
 332         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 333 };
 334
 335 static struct pxafb_mach_info poodle_fb_info = {
 336         .modes          = &poodle_fb_mode,
 337         .num_modes      = 1,
 338         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 339 };
 340
 341 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 342
 343 static struct nand_bbt_descr sharpsl_bbt = {
 344         .options = 0,
 345         .offs = 4,
 346         .len = 2,
 347         .pattern = scan_ff_pattern
 348 };
 349
 350 static const char * const probes[] = {
 351         "cmdlinepart",
 352         "ofpart",
 353         "sharpslpart",
 354         NULL,
 355 };
 356
 357 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 358         .badblock_pattern       = &sharpsl_bbt,
 359         .part_parsers           = probes,
 360 };
 361
 362 static struct resource sharpsl_nand_resources[] = {
 363         {
 364                 .start  = 0x0C000000,
 365                 .end    = 0x0C000FFF,
 366                 .flags  = IORESOURCE_MEM,
 367         },
 368 };
 369
 370 static struct platform_device sharpsl_nand_device = {
 371         .name           = "sharpsl-nand",
 372         .id             = -1,
 373         .resource       = sharpsl_nand_resources,
 374         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 375         .dev.platform_data      = &sharpsl_nand_platform_data,
 376 };
 377
 378 static struct mtd_partition sharpsl_rom_parts[] = {
 379         {
 380                 .name   ="Boot PROM Filesystem",
 381                 .offset = 0x00120000,
 382                 .size   = MTDPART_SIZ_FULL,
 383         },
 384 };
 385
 386 static struct physmap_flash_data sharpsl_rom_data = {
 387         .width          = 2,
 388         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 389         .parts          = sharpsl_rom_parts,
 390 };
 391
 392 static struct resource sharpsl_rom_resources[] = {
 393         {
 394                 .start  = 0x00000000,
 395                 .end    = 0x007fffff,
 396                 .flags  = IORESOURCE_MEM,
 397         },
 398 };
 399
 400 static struct platform_device sharpsl_rom_device = {
 401         .name   = "physmap-flash",
 402         .id     = -1,
 403         .resource = sharpsl_rom_resources,
 404         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 405         .dev.platform_data = &sharpsl_rom_data,
 406 };
 407
 408 static struct platform_device *devices[] __initdata = {
 409         &poodle_locomo_device,
 410         &poodle_scoop_device,
 411         &poodle_audio_device,
 412         &sharpsl_nand_device,
 413         &sharpsl_rom_device,
 414 };
 415
 416 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 417         { I2C_BOARD_INFO("wm8731", 0x1b) },
 418 };
 419
 420 static void poodle_poweroff(void)
 421 {
 422         pxa_restart(REBOOT_HARD, NULL);
 423 }
 424
 425 static void __init poodle_init(void)
 426 {
 427         int ret = 0;
 428
 429         pm_power_off = poodle_poweroff;
 430
 431         PCFR |= PCFR_OPDE;
 432
 433         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 434
 435         pxa_set_ffuart_info(NULL);
 436         pxa_set_btuart_info(NULL);
 437         pxa_set_stuart_info(NULL);
 438
 439         platform_scoop_config = &poodle_pcmcia_config;
 440
 441         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 442         if (ret)
 443                 pr_warn("poodle: Unable to register LoCoMo device\n");
 444
 445         pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
 446         pxa_set_udc_info(&udc_info);
 447         gpiod_add_lookup_table(&poodle_mci_gpio_table);
 448         pxa_set_mci_info(&poodle_mci_platform_data);
 449         pxa_set_ficp_info(&poodle_ficp_platform_data);
 450         pxa_set_i2c_info(NULL);
 451         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
 452         poodle_init_spi();
 453         regulator_has_full_constraints();
 454 }
 455
 456 static void __init fixup_poodle(struct tag *tags, char **cmdline)
 457 {
 458         sharpsl_save_param();
 459         memblock_add(0xa0000000, SZ_32M);
 460 }
 461
 462 MACHINE_START(POODLE, "SHARP Poodle")
 463         .fixup          = fixup_poodle,
 464         .map_io         = pxa25x_map_io,
 465         .nr_irqs        = POODLE_NR_IRQS,       /* 4 for LoCoMo */
 466         .init_irq       = pxa25x_init_irq,
 467         .handle_irq     = pxa25x_handle_irq,
 468         .init_time      = pxa_timer_init,
 469         .init_machine   = poodle_init,
 470         .restart        = pxa_restart,
 471 MACHINE_END