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 <asm/mach-types.h>
  34 #include <asm/irq.h>
  35 #include <asm/setup.h>
  36
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/irq.h>
  40
  41 #include "pxa25x.h"
  42 #include "udc.h"
  43 #include "poodle.h"
  44
  45 #include <linux/platform_data/mmc-pxamci.h>
  46 #include <linux/platform_data/irda-pxaficp.h>
  47 #include <linux/platform_data/video-pxafb.h>
  48 #include <linux/platform_data/asoc-poodle.h>
  49
  50 #include <asm/hardware/scoop.h>
  51 #include <asm/hardware/locomo.h>
  52 #include <asm/mach/sharpsl_param.h>
  53
  54 #include "generic.h"
  55 #include "devices.h"
  56
  57 static unsigned long poodle_pin_config[] __initdata = {
  58         /* I/O */
  59         GPIO79_nCS_3,
  60         GPIO80_nCS_4,
  61         GPIO18_RDY,
  62
  63         /* Clock */
  64         GPIO12_32KHz,
  65
  66         /* SSP1 */
  67         GPIO23_SSP1_SCLK,
  68         GPIO25_SSP1_TXD,
  69         GPIO26_SSP1_RXD,
  70         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
  71
  72         /* I2S */
  73         GPIO28_I2S_BITCLK_OUT,
  74         GPIO29_I2S_SDATA_IN,
  75         GPIO30_I2S_SDATA_OUT,
  76         GPIO31_I2S_SYNC,
  77         GPIO32_I2S_SYSCLK,
  78
  79         /* Infra-Red */
  80         GPIO47_FICP_TXD,
  81         GPIO46_FICP_RXD,
  82
  83         /* FFUART */
  84         GPIO40_FFUART_DTR,
  85         GPIO41_FFUART_RTS,
  86         GPIO39_FFUART_TXD,
  87         GPIO37_FFUART_DSR,
  88         GPIO34_FFUART_RXD,
  89         GPIO35_FFUART_CTS,
  90
  91         /* LCD */
  92         GPIOxx_LCD_TFT_16BPP,
  93
  94         /* PC Card */
  95         GPIO48_nPOE,
  96         GPIO49_nPWE,
  97         GPIO50_nPIOR,
  98         GPIO51_nPIOW,
  99         GPIO52_nPCE_1,
 100         GPIO53_nPCE_2,
 101         GPIO54_nPSKTSEL,
 102         GPIO55_nPREG,
 103         GPIO56_nPWAIT,
 104         GPIO57_nIOIS16,
 105
 106         /* MMC */
 107         GPIO6_MMC_CLK,
 108         GPIO8_MMC_CS0,
 109
 110         /* GPIO */
 111         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
 112         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
 113         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
 114         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
 115
 116         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
 117         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
 118 };
 119
 120 static struct resource poodle_scoop_resources[] = {
 121         [0] = {
 122                 .start          = 0x10800000,
 123                 .end            = 0x10800fff,
 124                 .flags          = IORESOURCE_MEM,
 125         },
 126 };
 127
 128 static struct scoop_config poodle_scoop_setup = {
 129         .io_dir         = POODLE_SCOOP_IO_DIR,
 130         .io_out         = POODLE_SCOOP_IO_OUT,
 131         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
 132 };
 133
 134 struct platform_device poodle_scoop_device = {
 135         .name           = "sharp-scoop",
 136         .id             = -1,
 137         .dev            = {
 138                 .platform_data  = &poodle_scoop_setup,
 139         },
 140         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
 141         .resource       = poodle_scoop_resources,
 142 };
 143
 144 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
 145 {
 146         .dev        = &poodle_scoop_device.dev,
 147         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
 148         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 149         .cd_irq_str = "PCMCIA0 CD",
 150 },
 151 };
 152
 153 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 154         .devs         = &poodle_pcmcia_scoop[0],
 155         .num_devs     = 1,
 156 };
 157
 158 EXPORT_SYMBOL(poodle_scoop_device);
 159
 160 /* LoCoMo device */
 161 static struct resource locomo_resources[] = {
 162         [0] = {
 163                 .start          = 0x10000000,
 164                 .end            = 0x10001fff,
 165                 .flags          = IORESOURCE_MEM,
 166         },
 167         [1] = {
 168                 .start          = PXA_GPIO_TO_IRQ(10),
 169                 .end            = PXA_GPIO_TO_IRQ(10),
 170                 .flags          = IORESOURCE_IRQ,
 171         },
 172 };
 173
 174 static struct locomo_platform_data locomo_info = {
 175         .irq_base       = IRQ_BOARD_START,
 176 };
 177
 178 static struct platform_device poodle_locomo_device = {
 179         .name           = "locomo",
 180         .id             = 0,
 181         .num_resources  = ARRAY_SIZE(locomo_resources),
 182         .resource       = locomo_resources,
 183         .dev            = {
 184                 .platform_data  = &locomo_info,
 185         },
 186 };
 187
 188 static struct poodle_audio_platform_data poodle_audio_pdata = {
 189         .locomo_dev     = &poodle_locomo_device.dev,
 190
 191         .gpio_amp_on    = POODLE_LOCOMO_GPIO_AMP_ON,
 192         .gpio_mute_l    = POODLE_LOCOMO_GPIO_MUTE_L,
 193         .gpio_mute_r    = POODLE_LOCOMO_GPIO_MUTE_R,
 194         .gpio_232vcc_on = POODLE_LOCOMO_GPIO_232VCC_ON,
 195         .gpio_jk_b      = POODLE_LOCOMO_GPIO_JK_B,
 196 };
 197
 198 static struct platform_device poodle_audio_device = {
 199         .name   = "poodle-audio",
 200         .id     = -1,
 201         .dev.platform_data = &poodle_audio_pdata,
 202 };
 203
 204 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 205 static struct pxa2xx_spi_controller poodle_spi_info = {
 206         .num_chipselect = 1,
 207 };
 208
 209 static struct gpiod_lookup_table poodle_spi_gpio_table = {
 210         .dev_id = "pxa2xx-spi.1",
 211         .table = {
 212                 GPIO_LOOKUP_IDX("gpio-pxa", POODLE_GPIO_TP_CS, "cs", 0, GPIO_ACTIVE_LOW),
 213                 { },
 214         },
 215 };
 216
 217 static struct ads7846_platform_data poodle_ads7846_info = {
 218         .model                  = 7846,
 219         .vref_delay_usecs       = 100,
 220         .x_plate_ohms           = 419,
 221         .y_plate_ohms           = 486,
 222         .gpio_pendown           = POODLE_GPIO_TP_INT,
 223 };
 224
 225 static struct spi_board_info poodle_spi_devices[] = {
 226         {
 227                 .modalias       = "ads7846",
 228                 .max_speed_hz   = 10000,
 229                 .bus_num        = 1,
 230                 .platform_data  = &poodle_ads7846_info,
 231                 .irq            = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
 232         },
 233 };
 234
 235 static void __init poodle_init_spi(void)
 236 {
 237         gpiod_add_lookup_table(&poodle_spi_gpio_table);
 238         pxa2xx_set_spi_info(1, &poodle_spi_info);
 239         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
 240 }
 241 #else
 242 static inline void poodle_init_spi(void) {}
 243 #endif
 244
 245 /*
 246  * MMC/SD Device
 247  *
 248  * The card detect interrupt isn't debounced so we delay it by 250ms
 249  * to give the card a chance to fully insert/eject.
 250  */
 251 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 252 {
 253         int err;
 254
 255         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
 256         if (err)
 257                 goto err_free_2;
 258
 259         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
 260         if (err)
 261                 goto err_free_3;
 262
 263         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
 264         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
 265
 266         return 0;
 267
 268 err_free_3:
 269         gpio_free(POODLE_GPIO_SD_PWR);
 270 err_free_2:
 271         return err;
 272 }
 273
 274 static int poodle_mci_setpower(struct device *dev, unsigned int vdd)
 275 {
 276         struct pxamci_platform_data* p_d = dev->platform_data;
 277
 278         if ((1 << vdd) & p_d->ocr_mask) {
 279                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
 280                 mdelay(2);
 281                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
 282         } else {
 283                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
 284                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
 285         }
 286
 287         return 0;
 288 }
 289
 290 static void poodle_mci_exit(struct device *dev, void *data)
 291 {
 292         gpio_free(POODLE_GPIO_SD_PWR1);
 293         gpio_free(POODLE_GPIO_SD_PWR);
 294 }
 295
 296 static struct pxamci_platform_data poodle_mci_platform_data = {
 297         .detect_delay_ms        = 250,
 298         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 299         .init                   = poodle_mci_init,
 300         .setpower               = poodle_mci_setpower,
 301         .exit                   = poodle_mci_exit,
 302 };
 303
 304 static struct gpiod_lookup_table poodle_mci_gpio_table = {
 305         .dev_id = "pxa2xx-mci.0",
 306         .table = {
 307                 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT,
 308                             "cd", GPIO_ACTIVE_LOW),
 309                 GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP,
 310                             "wp", GPIO_ACTIVE_LOW),
 311                 { },
 312         },
 313 };
 314
 315 /*
 316  * Irda
 317  */
 318 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 319         .gpio_pwdown            = POODLE_GPIO_IR_ON,
 320         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 321 };
 322
 323
 324 /*
 325  * USB Device Controller
 326  */
 327 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 328         /* no connect GPIO; poodle can't tell connection status */
 329         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
 330 };
 331
 332
 333 /* PXAFB device */
 334 static struct pxafb_mode_info poodle_fb_mode = {
 335         .pixclock       = 144700,
 336         .xres           = 320,
 337         .yres           = 240,
 338         .bpp            = 16,
 339         .hsync_len      = 7,
 340         .left_margin    = 11,
 341         .right_margin   = 30,
 342         .vsync_len      = 2,
 343         .upper_margin   = 2,
 344         .lower_margin   = 0,
 345         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 346 };
 347
 348 static struct pxafb_mach_info poodle_fb_info = {
 349         .modes          = &poodle_fb_mode,
 350         .num_modes      = 1,
 351         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 352 };
 353
 354 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 355
 356 static struct nand_bbt_descr sharpsl_bbt = {
 357         .options = 0,
 358         .offs = 4,
 359         .len = 2,
 360         .pattern = scan_ff_pattern
 361 };
 362
 363 static const char * const probes[] = {
 364         "cmdlinepart",
 365         "ofpart",
 366         "sharpslpart",
 367         NULL,
 368 };
 369
 370 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 371         .badblock_pattern       = &sharpsl_bbt,
 372         .part_parsers           = probes,
 373 };
 374
 375 static struct resource sharpsl_nand_resources[] = {
 376         {
 377                 .start  = 0x0C000000,
 378                 .end    = 0x0C000FFF,
 379                 .flags  = IORESOURCE_MEM,
 380         },
 381 };
 382
 383 static struct platform_device sharpsl_nand_device = {
 384         .name           = "sharpsl-nand",
 385         .id             = -1,
 386         .resource       = sharpsl_nand_resources,
 387         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 388         .dev.platform_data      = &sharpsl_nand_platform_data,
 389 };
 390
 391 static struct mtd_partition sharpsl_rom_parts[] = {
 392         {
 393                 .name   ="Boot PROM Filesystem",
 394                 .offset = 0x00120000,
 395                 .size   = MTDPART_SIZ_FULL,
 396         },
 397 };
 398
 399 static struct physmap_flash_data sharpsl_rom_data = {
 400         .width          = 2,
 401         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 402         .parts          = sharpsl_rom_parts,
 403 };
 404
 405 static struct resource sharpsl_rom_resources[] = {
 406         {
 407                 .start  = 0x00000000,
 408                 .end    = 0x007fffff,
 409                 .flags  = IORESOURCE_MEM,
 410         },
 411 };
 412
 413 static struct platform_device sharpsl_rom_device = {
 414         .name   = "physmap-flash",
 415         .id     = -1,
 416         .resource = sharpsl_rom_resources,
 417         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 418         .dev.platform_data = &sharpsl_rom_data,
 419 };
 420
 421 static struct platform_device *devices[] __initdata = {
 422         &poodle_locomo_device,
 423         &poodle_scoop_device,
 424         &poodle_audio_device,
 425         &sharpsl_nand_device,
 426         &sharpsl_rom_device,
 427 };
 428
 429 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
 430         { I2C_BOARD_INFO("wm8731", 0x1b) },
 431 };
 432
 433 static void poodle_poweroff(void)
 434 {
 435         pxa_restart(REBOOT_HARD, NULL);
 436 }
 437
 438 static void __init poodle_init(void)
 439 {
 440         int ret = 0;
 441
 442         pm_power_off = poodle_poweroff;
 443
 444         PCFR |= PCFR_OPDE;
 445
 446         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
 447
 448         pxa_set_ffuart_info(NULL);
 449         pxa_set_btuart_info(NULL);
 450         pxa_set_stuart_info(NULL);
 451
 452         platform_scoop_config = &poodle_pcmcia_config;
 453
 454         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 455         if (ret)
 456                 pr_warn("poodle: Unable to register LoCoMo device\n");
 457
 458         pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
 459         pxa_set_udc_info(&udc_info);
 460         gpiod_add_lookup_table(&poodle_mci_gpio_table);
 461         pxa_set_mci_info(&poodle_mci_platform_data);
 462         pxa_set_ficp_info(&poodle_ficp_platform_data);
 463         pxa_set_i2c_info(NULL);
 464         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
 465         poodle_init_spi();
 466         regulator_has_full_constraints();
 467 }
 468
 469 static void __init fixup_poodle(struct tag *tags, char **cmdline)
 470 {
 471         sharpsl_save_param();
 472         memblock_add(0xa0000000, SZ_32M);
 473 }
 474
 475 MACHINE_START(POODLE, "SHARP Poodle")
 476         .fixup          = fixup_poodle,
 477         .map_io         = pxa25x_map_io,
 478         .nr_irqs        = POODLE_NR_IRQS,       /* 4 for LoCoMo */
 479         .init_irq       = pxa25x_init_irq,
 480         .handle_irq     = pxa25x_handle_irq,
 481         .init_time      = pxa_timer_init,
 482         .init_machine   = poodle_init,
 483         .restart        = pxa_restart,
 484 MACHINE_END