arch/arm/mach-omap1/board-palmtt.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-palmtt.c
   3  *
   4  * Modified from board-palmtt2.c
   5  *
   6  * Modified and amended for Palm Tungsten|T
   7  * by Marek Vasut <marek.vasut@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/delay.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/notifier.h>
  19 #include <linux/clk.h>
  20 #include <linux/input.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/leds.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/flash.h>
  31
  32 #include <asm/arch/led.h>
  33 #include <asm/arch/mcbsp.h>
  34 #include <asm/arch/gpio.h>
  35 #include <asm/arch/mux.h>
  36 #include <asm/arch/usb.h>
  37 #include <asm/arch/dma.h>
  38 #include <asm/arch/tc.h>
  39 #include <asm/arch/board.h>
  40 #include <asm/arch/irda.h>
  41 #include <asm/arch/keypad.h>
  42 #include <asm/arch/common.h>
  43 #include <asm/arch/omap-alsa.h>
  44
  45 #include <linux/input.h>
  46 #include <linux/spi/spi.h>
  47 #include <linux/spi/ads7846.h>
  48
  49 static int palmtt_keymap[] = {
  50         KEY(0, 0, KEY_ESC),
  51         KEY(0, 1, KEY_SPACE),
  52         KEY(0, 2, KEY_LEFTCTRL),
  53         KEY(0, 3, KEY_TAB),
  54         KEY(0, 4, KEY_ENTER),
  55         KEY(1, 0, KEY_LEFT),
  56         KEY(1, 1, KEY_DOWN),
  57         KEY(1, 2, KEY_UP),
  58         KEY(1, 3, KEY_RIGHT),
  59         KEY(2, 0, KEY_SLEEP),
  60         KEY(2, 4, KEY_Y),
  61         0
  62 };
  63
  64 static struct mtd_partition palmtt_partitions[] = {
  65         {
  66                 .name           = "write8k",
  67                 .offset         = 0,
  68                 .size           = SZ_8K,
  69                 .mask_flags     = 0,
  70         },
  71         {
  72                 .name           = "PalmOS-BootLoader(ro)",
  73                 .offset         = SZ_8K,
  74                 .size           = 7 * SZ_8K,
  75                 .mask_flags     = MTD_WRITEABLE,
  76         },
  77         {
  78                 .name           = "u-boot",
  79                 .offset         = MTDPART_OFS_APPEND,
  80                 .size           = 8 * SZ_8K,
  81                 .mask_flags     = 0,
  82         },
  83         {
  84                 .name           = "PalmOS-FS(ro)",
  85                 .offset         = MTDPART_OFS_APPEND,
  86                 .size           = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
  87                 .mask_flags     = MTD_WRITEABLE,
  88         },
  89         {
  90                 .name           = "u-boot(rez)",
  91                 .offset         = MTDPART_OFS_APPEND,
  92                 .size           = SZ_128K,
  93                 .mask_flags     = 0
  94         },
  95         {
  96                 .name           = "empty",
  97                 .offset         = MTDPART_OFS_APPEND,
  98                 .size           = MTDPART_SIZ_FULL,
  99                 .mask_flags     = 0
 100         }
 101 };
 102
 103 static struct flash_platform_data palmtt_flash_data = {
 104         .map_name       = "cfi_probe",
 105         .width          = 2,
 106         .parts          = palmtt_partitions,
 107         .nr_parts       = ARRAY_SIZE(palmtt_partitions),
 108 };
 109
 110 static struct resource palmtt_flash_resource = {
 111         .start          = OMAP_CS0_PHYS,
 112         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 113         .flags          = IORESOURCE_MEM,
 114 };
 115
 116 static struct platform_device palmtt_flash_device = {
 117         .name           = "omapflash",
 118         .id             = 0,
 119         .dev            = {
 120                 .platform_data  = &palmtt_flash_data,
 121         },
 122         .num_resources  = 1,
 123         .resource       = &palmtt_flash_resource,
 124 };
 125
 126 #define DEFAULT_BITPERSAMPLE 16
 127
 128 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 129         .spcr2          = FREE | FRST | GRST | XRST | XINTM(3),
 130         .spcr1          = RINTM(3) | RRST,
 131         .rcr2           = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 132                                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 133         .rcr1           = RFRLEN1(OMAP_MCBSP_WORD_8) |
 134                                 RWDLEN1(OMAP_MCBSP_WORD_16),
 135         .xcr2           = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 136                                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 137         .xcr1           = XFRLEN1(OMAP_MCBSP_WORD_8) |
 138                                 XWDLEN1(OMAP_MCBSP_WORD_16),
 139         .srgr1          = FWID(DEFAULT_BITPERSAMPLE - 1),
 140         .srgr2          = GSYNC | CLKSP | FSGM |
 141                                 FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 142         .pcr0           = CLKXP | CLKRP,        /* mcbsp: slave */
 143 };
 144
 145 static struct omap_alsa_codec_config alsa_config = {
 146         .name                   = "PalmTT AIC23",
 147         .mcbsp_regs_alsa        = &mcbsp_regs,
 148         .codec_configure_dev    = NULL, // aic23_configure,
 149         .codec_set_samplerate   = NULL, // aic23_set_samplerate,
 150         .codec_clock_setup      = NULL, // aic23_clock_setup,
 151         .codec_clock_on         = NULL, // aic23_clock_on,
 152         .codec_clock_off        = NULL, // aic23_clock_off,
 153         .get_default_samplerate = NULL, // aic23_get_default_samplerate,
 154 };
 155
 156 static struct platform_device palmtt_mcbsp1_device = {
 157         .name   = "omap_alsa_mcbsp",
 158         .id     = 1,
 159         .dev    = {
 160                 .platform_data  = &alsa_config,
 161         },
 162 };
 163
 164 static struct resource palmtt_kp_resources[] = {
 165         [0] = {
 166                 .start  = INT_KEYBOARD,
 167                 .end    = INT_KEYBOARD,
 168                 .flags  = IORESOURCE_IRQ,
 169         },
 170 };
 171
 172 static struct omap_kp_platform_data palmtt_kp_data = {
 173         .rows   = 6,
 174         .cols   = 3,
 175         .keymap = palmtt_keymap,
 176 };
 177
 178 static struct platform_device palmtt_kp_device = {
 179         .name           = "omap-keypad",
 180         .id             = -1,
 181         .dev            = {
 182                 .platform_data = &palmtt_kp_data,
 183         },
 184         .num_resources  = ARRAY_SIZE(palmtt_kp_resources),
 185         .resource       = palmtt_kp_resources,
 186 };
 187
 188 static struct platform_device palmtt_lcd_device = {
 189         .name           = "lcd_palmtt",
 190         .id             = -1,
 191 };
 192 static struct omap_irda_config palmtt_irda_config = {
 193         .transceiver_cap        = IR_SIRMODE,
 194         .rx_channel             = OMAP_DMA_UART3_RX,
 195         .tx_channel             = OMAP_DMA_UART3_TX,
 196         .dest_start             = UART3_THR,
 197         .src_start              = UART3_RHR,
 198         .tx_trigger             = 0,
 199         .rx_trigger             = 0,
 200 };
 201
 202 static struct resource palmtt_irda_resources[] = {
 203         [0]     = {
 204                 .start  = INT_UART3,
 205                 .end    = INT_UART3,
 206                 .flags  = IORESOURCE_IRQ,
 207         },
 208 };
 209
 210 static struct platform_device palmtt_irda_device = {
 211         .name           = "omapirda",
 212         .id             = -1,
 213         .dev            = {
 214                 .platform_data  = &palmtt_irda_config,
 215         },
 216         .num_resources  = ARRAY_SIZE(palmtt_irda_resources),
 217         .resource       = palmtt_irda_resources,
 218 };
 219
 220 static struct platform_device palmtt_spi_device = {
 221         .name           = "spi_palmtt",
 222         .id             = -1,
 223 };
 224
 225 static struct omap_backlight_config palmtt_backlight_config = {
 226         .default_intensity      = 0xa0,
 227 };
 228
 229 static struct platform_device palmtt_backlight_device = {
 230         .name           = "omap-bl",
 231         .id             = -1,
 232         .dev            = {
 233                 .platform_data= &palmtt_backlight_config,
 234         },
 235 };
 236
 237 static struct omap_led_config palmtt_led_config[] = {
 238         {
 239                 .cdev   = {
 240                         .name   = "palmtt:led0",
 241                 },
 242                 .gpio   = PALMTT_LED_GPIO,
 243         },
 244 };
 245
 246 static struct omap_led_platform_data palmtt_led_data = {
 247         .nr_leds        = ARRAY_SIZE(palmtt_led_config),
 248         .leds           = palmtt_led_config,
 249 };
 250
 251 static struct platform_device palmtt_led_device = {
 252         .name   = "omap-led",
 253         .id     = -1,
 254         .dev    = {
 255                 .platform_data  = &palmtt_led_data,
 256         },
 257 };
 258
 259 static struct platform_device *palmtt_devices[] __initdata = {
 260         &palmtt_flash_device,
 261         &palmtt_mcbsp1_device,
 262         &palmtt_kp_device,
 263         &palmtt_lcd_device,
 264         &palmtt_irda_device,
 265         &palmtt_spi_device,
 266         &palmtt_backlight_device,
 267         &palmtt_led_device,
 268 };
 269
 270 static int palmtt_get_pendown_state(void)
 271 {
 272         return !omap_get_gpio_datain(6);
 273 }
 274
 275 static const struct ads7846_platform_data palmtt_ts_info = {
 276         .model                  = 7846,
 277         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 278         .x_plate_ohms           = 419,
 279         .y_plate_ohms           = 486,
 280         .get_pendown_state      = palmtt_get_pendown_state,
 281 };
 282
 283 static struct spi_board_info __initdata palmtt_boardinfo[] = {
 284         {
 285                 /* MicroWire (bus 2) CS0 has an ads7846e */
 286                 .modalias       = "ads7846",
 287                 .platform_data  = &palmtt_ts_info,
 288                 .irq            = OMAP_GPIO_IRQ(6),
 289                 .max_speed_hz   = 120000        /* max sample rate at 3V */
 290                                         * 26    /* command + data + overhead */,
 291                 .bus_num        = 2,
 292                 .chip_select    = 0,
 293         }
 294 };
 295
 296 static void __init omap_palmtt_init_irq(void)
 297 {
 298         omap1_init_common_hw();
 299         omap_init_irq();
 300 }
 301
 302 static struct omap_usb_config palmtt_usb_config __initdata = {
 303         .register_dev   = 1,
 304         .hmc_mode       = 0,
 305         .pins[0]        = 2,
 306 };
 307
 308 static struct omap_lcd_config palmtt_lcd_config __initdata = {
 309         .ctrl_name      = "internal",
 310 };
 311
 312 static struct omap_uart_config palmtt_uart_config __initdata = {
 313         .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
 314 };
 315
 316 static struct omap_board_config_kernel palmtt_config[] = {
 317         { OMAP_TAG_USB,         &palmtt_usb_config      },
 318         { OMAP_TAG_LCD,         &palmtt_lcd_config      },
 319         { OMAP_TAG_UART,        &palmtt_uart_config     },
 320 };
 321
 322 static void __init omap_mpu_wdt_mode(int mode) {
 323         if (mode)
 324                 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
 325         else {
 326                 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
 327                 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
 328         }
 329 }
 330
 331 static void __init omap_palmtt_init(void)
 332 {
 333         omap_mpu_wdt_mode(0);
 334
 335         omap_board_config = palmtt_config;
 336         omap_board_config_size = ARRAY_SIZE(palmtt_config);
 337
 338         platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
 339
 340         spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
 341         omap_serial_init();
 342 }
 343
 344 static void __init omap_palmtt_map_io(void)
 345 {
 346         omap1_map_common_io();
 347 }
 348
 349 MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
 350         .phys_io        = 0xfff00000,
 351         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 352         .boot_params    = 0x10000100,
 353         .map_io         = omap_palmtt_map_io,
 354         .init_irq       = omap_palmtt_init_irq,
 355         .init_machine   = omap_palmtt_init,
 356         .timer          = &omap_timer,
 357 MACHINE_END