Jason | 9cbc349 | 2010-05-17 14:39:09 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/board-omap3evm.c |
| 3 | * |
| 4 | * Copyright (C) 2008 Guangzhou EMA-Tech |
| 5 | * |
| 6 | * Modified from mach-omap2/board-omap3evm.c |
| 7 | * |
| 8 | * Initial code: Syed Mohammed Khasim |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/err.h> |
| 20 | #include <linux/clk.h> |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/leds.h> |
| 23 | #include <linux/gpio.h> |
| 24 | #include <linux/input.h> |
| 25 | #include <linux/gpio_keys.h> |
| 26 | |
| 27 | #include <linux/regulator/machine.h> |
| 28 | #include <linux/i2c/twl.h> |
| 29 | |
| 30 | #include <mach/hardware.h> |
| 31 | #include <asm/mach-types.h> |
| 32 | #include <asm/mach/arch.h> |
| 33 | #include <asm/mach/map.h> |
| 34 | #include <asm/mach/flash.h> |
| 35 | |
| 36 | #include <plat/board.h> |
| 37 | #include <plat/common.h> |
| 38 | #include <plat/gpmc.h> |
| 39 | #include <plat/nand.h> |
| 40 | #include <plat/usb.h> |
| 41 | #include <plat/timer-gp.h> |
| 42 | #include <plat/display.h> |
| 43 | |
| 44 | #include <plat/mcspi.h> |
| 45 | #include <linux/input/matrix_keypad.h> |
| 46 | #include <linux/spi/spi.h> |
| 47 | #include <linux/spi/ads7846.h> |
| 48 | #include <linux/interrupt.h> |
| 49 | #include <linux/smsc911x.h> |
| 50 | #include <linux/i2c/at24.h> |
| 51 | |
| 52 | #include "sdram-micron-mt46h32m32lf-6.h" |
| 53 | #include "mux.h" |
| 54 | #include "hsmmc.h" |
| 55 | |
| 56 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) |
| 57 | #define OMAP3STALKER_ETHR_START 0x2c000000 |
| 58 | #define OMAP3STALKER_ETHR_SIZE 1024 |
| 59 | #define OMAP3STALKER_ETHR_GPIO_IRQ 19 |
| 60 | #define OMAP3STALKER_SMC911X_CS 5 |
| 61 | |
| 62 | static struct resource omap3stalker_smsc911x_resources[] = { |
| 63 | [0] = { |
| 64 | .start = OMAP3STALKER_ETHR_START, |
| 65 | .end = |
| 66 | (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1), |
| 67 | .flags = IORESOURCE_MEM, |
| 68 | }, |
| 69 | [1] = { |
| 70 | .start = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), |
| 71 | .end = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ), |
| 72 | .flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW), |
| 73 | }, |
| 74 | }; |
| 75 | |
| 76 | static struct smsc911x_platform_config smsc911x_config = { |
| 77 | .phy_interface = PHY_INTERFACE_MODE_MII, |
| 78 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| 79 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, |
| 80 | .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), |
| 81 | }; |
| 82 | |
| 83 | static struct platform_device omap3stalker_smsc911x_device = { |
| 84 | .name = "smsc911x", |
| 85 | .id = -1, |
| 86 | .num_resources = ARRAY_SIZE(omap3stalker_smsc911x_resources), |
| 87 | .resource = &omap3stalker_smsc911x_resources[0], |
| 88 | .dev = { |
| 89 | .platform_data = &smsc911x_config, |
| 90 | }, |
| 91 | }; |
| 92 | |
| 93 | static inline void __init omap3stalker_init_eth(void) |
| 94 | { |
| 95 | int eth_cs; |
| 96 | struct clk *l3ck; |
| 97 | unsigned int rate; |
| 98 | |
| 99 | eth_cs = OMAP3STALKER_SMC911X_CS; |
| 100 | |
| 101 | l3ck = clk_get(NULL, "l3_ck"); |
| 102 | if (IS_ERR(l3ck)) |
| 103 | rate = 100000000; |
| 104 | else |
| 105 | rate = clk_get_rate(l3ck); |
| 106 | |
| 107 | omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP); |
| 108 | if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { |
| 109 | printk(KERN_ERR |
| 110 | "Failed to request GPIO%d for smc911x IRQ\n", |
| 111 | OMAP3STALKER_ETHR_GPIO_IRQ); |
| 112 | return; |
| 113 | } |
| 114 | |
| 115 | gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ); |
| 116 | |
| 117 | platform_device_register(&omap3stalker_smsc911x_device); |
| 118 | } |
| 119 | |
| 120 | #else |
| 121 | static inline void __init omap3stalker_init_eth(void) |
| 122 | { |
| 123 | return; |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | /* |
| 128 | * OMAP3 DSS control signals |
| 129 | */ |
| 130 | |
| 131 | #define DSS_ENABLE_GPIO 199 |
| 132 | #define LCD_PANEL_BKLIGHT_GPIO 210 |
| 133 | #define ENABLE_VPLL2_DEV_GRP 0xE0 |
| 134 | |
| 135 | static int lcd_enabled; |
| 136 | static int dvi_enabled; |
| 137 | |
| 138 | static void __init omap3_stalker_display_init(void) |
| 139 | { |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev) |
| 144 | { |
| 145 | if (dvi_enabled) { |
| 146 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); |
| 147 | return -EINVAL; |
| 148 | } |
| 149 | gpio_set_value(DSS_ENABLE_GPIO, 1); |
| 150 | gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1); |
| 151 | lcd_enabled = 1; |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev) |
| 156 | { |
| 157 | gpio_set_value(DSS_ENABLE_GPIO, 0); |
| 158 | gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0); |
| 159 | lcd_enabled = 0; |
| 160 | } |
| 161 | |
| 162 | static struct omap_dss_device omap3_stalker_lcd_device = { |
| 163 | .name = "lcd", |
| 164 | .driver_name = "generic_panel", |
| 165 | .phy.dpi.data_lines = 24, |
| 166 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 167 | .platform_enable = omap3_stalker_enable_lcd, |
| 168 | .platform_disable = omap3_stalker_disable_lcd, |
| 169 | }; |
| 170 | |
| 171 | static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev) |
| 172 | { |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev) |
| 177 | { |
| 178 | } |
| 179 | |
| 180 | static struct omap_dss_device omap3_stalker_tv_device = { |
| 181 | .name = "tv", |
| 182 | .driver_name = "venc", |
| 183 | .type = OMAP_DISPLAY_TYPE_VENC, |
| 184 | #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO) |
| 185 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, |
| 186 | #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE) |
| 187 | .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE, |
| 188 | #endif |
| 189 | .platform_enable = omap3_stalker_enable_tv, |
| 190 | .platform_disable = omap3_stalker_disable_tv, |
| 191 | }; |
| 192 | |
| 193 | static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev) |
| 194 | { |
| 195 | if (lcd_enabled) { |
| 196 | printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); |
| 197 | return -EINVAL; |
| 198 | } |
| 199 | gpio_set_value(DSS_ENABLE_GPIO, 1); |
| 200 | dvi_enabled = 1; |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev) |
| 205 | { |
| 206 | gpio_set_value(DSS_ENABLE_GPIO, 0); |
| 207 | dvi_enabled = 0; |
| 208 | } |
| 209 | |
| 210 | static struct omap_dss_device omap3_stalker_dvi_device = { |
| 211 | .name = "dvi", |
| 212 | .driver_name = "generic_panel", |
| 213 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 214 | .phy.dpi.data_lines = 24, |
| 215 | .platform_enable = omap3_stalker_enable_dvi, |
| 216 | .platform_disable = omap3_stalker_disable_dvi, |
| 217 | }; |
| 218 | |
| 219 | static struct omap_dss_device *omap3_stalker_dss_devices[] = { |
| 220 | &omap3_stalker_lcd_device, |
| 221 | &omap3_stalker_tv_device, |
| 222 | &omap3_stalker_dvi_device, |
| 223 | }; |
| 224 | |
| 225 | static struct omap_dss_board_info omap3_stalker_dss_data = { |
| 226 | .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices), |
| 227 | .devices = omap3_stalker_dss_devices, |
| 228 | .default_device = &omap3_stalker_dvi_device, |
| 229 | }; |
| 230 | |
| 231 | static struct platform_device omap3_stalker_dss_device = { |
| 232 | .name = "omapdss", |
| 233 | .id = -1, |
| 234 | .dev = { |
| 235 | .platform_data = &omap3_stalker_dss_data, |
| 236 | }, |
| 237 | }; |
| 238 | |
| 239 | static struct regulator_consumer_supply omap3stalker_vmmc1_supply = { |
| 240 | .supply = "vmmc", |
| 241 | }; |
| 242 | |
| 243 | static struct regulator_consumer_supply omap3stalker_vsim_supply = { |
| 244 | .supply = "vmmc_aux", |
| 245 | }; |
| 246 | |
| 247 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ |
| 248 | static struct regulator_init_data omap3stalker_vmmc1 = { |
| 249 | .constraints = { |
| 250 | .min_uV = 1850000, |
| 251 | .max_uV = 3150000, |
| 252 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 253 | | REGULATOR_MODE_STANDBY, |
| 254 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 255 | | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, |
| 256 | }, |
| 257 | .num_consumer_supplies = 1, |
| 258 | .consumer_supplies = &omap3stalker_vmmc1_supply, |
| 259 | }; |
| 260 | |
| 261 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ |
| 262 | static struct regulator_init_data omap3stalker_vsim = { |
| 263 | .constraints = { |
| 264 | .min_uV = 1800000, |
| 265 | .max_uV = 3000000, |
| 266 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 267 | | REGULATOR_MODE_STANDBY, |
| 268 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 269 | | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, |
| 270 | }, |
| 271 | .num_consumer_supplies = 1, |
| 272 | .consumer_supplies = &omap3stalker_vsim_supply, |
| 273 | }; |
| 274 | |
| 275 | static struct omap2_hsmmc_info mmc[] = { |
| 276 | { |
| 277 | .mmc = 1, |
| 278 | .wires = 4, |
| 279 | .gpio_cd = -EINVAL, |
| 280 | .gpio_wp = 23, |
| 281 | }, |
| 282 | {} /* Terminator */ |
| 283 | }; |
| 284 | |
| 285 | static struct gpio_keys_button gpio_buttons[] = { |
| 286 | { |
| 287 | .code = BTN_EXTRA, |
| 288 | .gpio = 18, |
| 289 | .desc = "user", |
| 290 | .wakeup = 1, |
| 291 | }, |
| 292 | }; |
| 293 | |
| 294 | static struct gpio_keys_platform_data gpio_key_info = { |
| 295 | .buttons = gpio_buttons, |
| 296 | .nbuttons = ARRAY_SIZE(gpio_buttons), |
| 297 | }; |
| 298 | |
| 299 | static struct platform_device keys_gpio = { |
| 300 | .name = "gpio-keys", |
| 301 | .id = -1, |
| 302 | .dev = { |
| 303 | .platform_data = &gpio_key_info, |
| 304 | }, |
| 305 | }; |
| 306 | |
| 307 | static struct gpio_led gpio_leds[] = { |
| 308 | { |
| 309 | .name = "stalker:D8:usr0", |
| 310 | .default_trigger = "default-on", |
| 311 | .gpio = 126, |
| 312 | }, |
| 313 | { |
| 314 | .name = "stalker:D9:usr1", |
| 315 | .default_trigger = "default-on", |
| 316 | .gpio = 127, |
| 317 | }, |
| 318 | { |
| 319 | .name = "stalker:D3:mmc0", |
| 320 | .gpio = -EINVAL, /* gets replaced */ |
| 321 | .active_low = true, |
| 322 | .default_trigger = "mmc0", |
| 323 | }, |
| 324 | { |
| 325 | .name = "stalker:D4:heartbeat", |
| 326 | .gpio = -EINVAL, /* gets replaced */ |
| 327 | .active_low = true, |
| 328 | .default_trigger = "heartbeat", |
| 329 | }, |
| 330 | }; |
| 331 | |
| 332 | static struct gpio_led_platform_data gpio_led_info = { |
| 333 | .leds = gpio_leds, |
| 334 | .num_leds = ARRAY_SIZE(gpio_leds), |
| 335 | }; |
| 336 | |
| 337 | static struct platform_device leds_gpio = { |
| 338 | .name = "leds-gpio", |
| 339 | .id = -1, |
| 340 | .dev = { |
| 341 | .platform_data = &gpio_led_info, |
| 342 | }, |
| 343 | }; |
| 344 | |
| 345 | static int |
| 346 | omap3stalker_twl_gpio_setup(struct device *dev, |
| 347 | unsigned gpio, unsigned ngpio) |
| 348 | { |
| 349 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
| 350 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); |
| 351 | mmc[0].gpio_cd = gpio + 0; |
| 352 | omap2_hsmmc_init(mmc); |
| 353 | |
| 354 | /* link regulators to MMC adapters */ |
| 355 | omap3stalker_vmmc1_supply.dev = mmc[0].dev; |
| 356 | omap3stalker_vsim_supply.dev = mmc[0].dev; |
| 357 | |
| 358 | /* |
| 359 | * Most GPIOs are for USB OTG. Some are mostly sent to |
| 360 | * the P2 connector; notably LEDA for the LCD backlight. |
| 361 | */ |
| 362 | |
| 363 | /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ |
| 364 | gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); |
| 365 | gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); |
| 366 | |
| 367 | /* gpio + 7 == DVI Enable */ |
| 368 | gpio_request(gpio + 7, "EN_DVI"); |
| 369 | gpio_direction_output(gpio + 7, 0); |
| 370 | |
| 371 | /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */ |
| 372 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; |
| 373 | /* GPIO + 13 == ledsync (out, heartbeat) */ |
| 374 | gpio_leds[3].gpio = gpio + 13; |
| 375 | |
| 376 | platform_device_register(&leds_gpio); |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | static struct twl4030_gpio_platform_data omap3stalker_gpio_data = { |
| 381 | .gpio_base = OMAP_MAX_GPIO_LINES, |
| 382 | .irq_base = TWL4030_GPIO_IRQ_BASE, |
| 383 | .irq_end = TWL4030_GPIO_IRQ_END, |
| 384 | .use_leds = true, |
| 385 | .setup = omap3stalker_twl_gpio_setup, |
| 386 | }; |
| 387 | |
| 388 | static struct twl4030_usb_data omap3stalker_usb_data = { |
| 389 | .usb_mode = T2_USB_MODE_ULPI, |
| 390 | }; |
| 391 | |
| 392 | static int board_keymap[] = { |
| 393 | KEY(0, 0, KEY_LEFT), |
| 394 | KEY(0, 1, KEY_DOWN), |
| 395 | KEY(0, 2, KEY_ENTER), |
| 396 | KEY(0, 3, KEY_M), |
| 397 | |
| 398 | KEY(1, 0, KEY_RIGHT), |
| 399 | KEY(1, 1, KEY_UP), |
| 400 | KEY(1, 2, KEY_I), |
| 401 | KEY(1, 3, KEY_N), |
| 402 | |
| 403 | KEY(2, 0, KEY_A), |
| 404 | KEY(2, 1, KEY_E), |
| 405 | KEY(2, 2, KEY_J), |
| 406 | KEY(2, 3, KEY_O), |
| 407 | |
| 408 | KEY(3, 0, KEY_B), |
| 409 | KEY(3, 1, KEY_F), |
| 410 | KEY(3, 2, KEY_K), |
| 411 | KEY(3, 3, KEY_P) |
| 412 | }; |
| 413 | |
| 414 | static struct matrix_keymap_data board_map_data = { |
| 415 | .keymap = board_keymap, |
| 416 | .keymap_size = ARRAY_SIZE(board_keymap), |
| 417 | }; |
| 418 | |
| 419 | static struct twl4030_keypad_data omap3stalker_kp_data = { |
| 420 | .keymap_data = &board_map_data, |
| 421 | .rows = 4, |
| 422 | .cols = 4, |
| 423 | .rep = 1, |
| 424 | }; |
| 425 | |
| 426 | static struct twl4030_madc_platform_data omap3stalker_madc_data = { |
| 427 | .irq_line = 1, |
| 428 | }; |
| 429 | |
| 430 | static struct twl4030_codec_audio_data omap3stalker_audio_data = { |
| 431 | .audio_mclk = 26000000, |
| 432 | }; |
| 433 | |
| 434 | static struct twl4030_codec_data omap3stalker_codec_data = { |
| 435 | .audio_mclk = 26000000, |
| 436 | .audio = &omap3stalker_audio_data, |
| 437 | }; |
| 438 | |
| 439 | static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = { |
| 440 | .supply = "vdda_dac", |
| 441 | .dev = &omap3_stalker_dss_device.dev, |
| 442 | }; |
| 443 | |
| 444 | /* VDAC for DSS driving S-Video */ |
| 445 | static struct regulator_init_data omap3_stalker_vdac = { |
| 446 | .constraints = { |
| 447 | .min_uV = 1800000, |
| 448 | .max_uV = 1800000, |
| 449 | .apply_uV = true, |
| 450 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 451 | | REGULATOR_MODE_STANDBY, |
| 452 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 453 | | REGULATOR_CHANGE_STATUS, |
| 454 | }, |
| 455 | .num_consumer_supplies = 1, |
| 456 | .consumer_supplies = &omap3_stalker_vdda_dac_supply, |
| 457 | }; |
| 458 | |
| 459 | /* VPLL2 for digital video outputs */ |
| 460 | static struct regulator_consumer_supply omap3_stalker_vpll2_supply = { |
| 461 | .supply = "vdds_dsi", |
| 462 | .dev = &omap3_stalker_lcd_device.dev, |
| 463 | }; |
| 464 | |
| 465 | static struct regulator_init_data omap3_stalker_vpll2 = { |
| 466 | .constraints = { |
| 467 | .name = "VDVI", |
| 468 | .min_uV = 1800000, |
| 469 | .max_uV = 1800000, |
| 470 | .apply_uV = true, |
| 471 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 472 | | REGULATOR_MODE_STANDBY, |
| 473 | .valid_ops_mask = REGULATOR_CHANGE_MODE |
| 474 | | REGULATOR_CHANGE_STATUS, |
| 475 | }, |
| 476 | .num_consumer_supplies = 1, |
| 477 | .consumer_supplies = &omap3_stalker_vpll2_supply, |
| 478 | }; |
| 479 | |
| 480 | static struct twl4030_platform_data omap3stalker_twldata = { |
| 481 | .irq_base = TWL4030_IRQ_BASE, |
| 482 | .irq_end = TWL4030_IRQ_END, |
| 483 | |
| 484 | /* platform_data for children goes here */ |
| 485 | .keypad = &omap3stalker_kp_data, |
| 486 | .madc = &omap3stalker_madc_data, |
| 487 | .usb = &omap3stalker_usb_data, |
| 488 | .gpio = &omap3stalker_gpio_data, |
| 489 | .codec = &omap3stalker_codec_data, |
| 490 | .vdac = &omap3_stalker_vdac, |
| 491 | .vpll2 = &omap3_stalker_vpll2, |
| 492 | }; |
| 493 | |
| 494 | static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = { |
| 495 | { |
| 496 | I2C_BOARD_INFO("twl4030", 0x48), |
| 497 | .flags = I2C_CLIENT_WAKE, |
| 498 | .irq = INT_34XX_SYS_NIRQ, |
| 499 | .platform_data = &omap3stalker_twldata, |
| 500 | }, |
| 501 | }; |
| 502 | |
| 503 | static struct at24_platform_data fram_info = { |
| 504 | .byte_len = (64 * 1024) / 8, |
| 505 | .page_size = 8192, |
| 506 | .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO, |
| 507 | }; |
| 508 | |
| 509 | static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = { |
| 510 | { |
| 511 | I2C_BOARD_INFO("24c64", 0x50), |
| 512 | .flags = I2C_CLIENT_WAKE, |
| 513 | .platform_data = &fram_info, |
| 514 | }, |
| 515 | }; |
| 516 | |
| 517 | static int __init omap3_stalker_i2c_init(void) |
| 518 | { |
| 519 | /* |
| 520 | * REVISIT: These entries can be set in omap3evm_twl_data |
| 521 | * after a merge with MFD tree |
| 522 | */ |
| 523 | omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1; |
| 524 | omap3stalker_twldata.vsim = &omap3stalker_vsim; |
| 525 | |
| 526 | omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo, |
| 527 | ARRAY_SIZE(omap3stalker_i2c_boardinfo)); |
| 528 | omap_register_i2c_bus(2, 400, NULL, 0); |
| 529 | omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3, |
| 530 | ARRAY_SIZE(omap3stalker_i2c_boardinfo3)); |
| 531 | return 0; |
| 532 | } |
| 533 | |
| 534 | #define OMAP3_STALKER_TS_GPIO 175 |
| 535 | static void ads7846_dev_init(void) |
| 536 | { |
| 537 | if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0) |
| 538 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); |
| 539 | |
| 540 | gpio_direction_input(OMAP3_STALKER_TS_GPIO); |
| 541 | |
| 542 | omap_set_gpio_debounce(OMAP3_STALKER_TS_GPIO, 1); |
| 543 | omap_set_gpio_debounce_time(OMAP3_STALKER_TS_GPIO, 0xa); |
| 544 | } |
| 545 | |
| 546 | static int ads7846_get_pendown_state(void) |
| 547 | { |
| 548 | return !gpio_get_value(OMAP3_STALKER_TS_GPIO); |
| 549 | } |
| 550 | |
| 551 | static struct ads7846_platform_data ads7846_config = { |
| 552 | .x_max = 0x0fff, |
| 553 | .y_max = 0x0fff, |
| 554 | .x_plate_ohms = 180, |
| 555 | .pressure_max = 255, |
| 556 | .debounce_max = 10, |
| 557 | .debounce_tol = 3, |
| 558 | .debounce_rep = 1, |
| 559 | .get_pendown_state = ads7846_get_pendown_state, |
| 560 | .keep_vref_on = 1, |
| 561 | .settle_delay_usecs = 150, |
| 562 | }; |
| 563 | |
| 564 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { |
| 565 | .turbo_mode = 0, |
| 566 | .single_channel = 1, /* 0: slave, 1: master */ |
| 567 | }; |
| 568 | |
| 569 | struct spi_board_info omap3stalker_spi_board_info[] = { |
| 570 | [0] = { |
| 571 | .modalias = "ads7846", |
| 572 | .bus_num = 1, |
| 573 | .chip_select = 0, |
| 574 | .max_speed_hz = 1500000, |
| 575 | .controller_data = &ads7846_mcspi_config, |
| 576 | .irq = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO), |
| 577 | .platform_data = &ads7846_config, |
| 578 | }, |
| 579 | }; |
| 580 | |
| 581 | static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { |
| 582 | }; |
| 583 | |
| 584 | static void __init omap3_stalker_init_irq(void) |
| 585 | { |
| 586 | omap_board_config = omap3_stalker_config; |
| 587 | omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); |
| 588 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); |
| 589 | omap_init_irq(); |
| 590 | #ifdef CONFIG_OMAP_32K_TIMER |
| 591 | omap2_gp_clockevent_set_gptimer(12); |
| 592 | #endif |
| 593 | omap_gpio_init(); |
| 594 | } |
| 595 | |
| 596 | static struct platform_device *omap3_stalker_devices[] __initdata = { |
| 597 | &omap3_stalker_dss_device, |
| 598 | &keys_gpio, |
| 599 | }; |
| 600 | |
| 601 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
| 602 | .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| 603 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, |
| 604 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| 605 | |
| 606 | .phy_reset = true, |
| 607 | .reset_gpio_port[0] = -EINVAL, |
| 608 | .reset_gpio_port[1] = 21, |
| 609 | .reset_gpio_port[2] = -EINVAL, |
| 610 | }; |
| 611 | |
| 612 | #ifdef CONFIG_OMAP_MUX |
| 613 | static struct omap_board_mux board_mux[] __initdata = { |
| 614 | OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | |
| 615 | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), |
| 616 | OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | |
| 617 | OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), |
| 618 | {.reg_offset = OMAP_MUX_TERMINATOR}, |
| 619 | }; |
| 620 | #else |
| 621 | #define board_mux NULL |
| 622 | #endif |
| 623 | |
| 624 | static struct omap_musb_board_data musb_board_data = { |
| 625 | .interface_type = MUSB_INTERFACE_ULPI, |
| 626 | .mode = MUSB_OTG, |
| 627 | .power = 100, |
| 628 | }; |
| 629 | |
| 630 | static void __init omap3_stalker_init(void) |
| 631 | { |
| 632 | omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); |
| 633 | |
| 634 | omap3_stalker_i2c_init(); |
| 635 | |
| 636 | platform_add_devices(omap3_stalker_devices, |
| 637 | ARRAY_SIZE(omap3_stalker_devices)); |
| 638 | |
| 639 | spi_register_board_info(omap3stalker_spi_board_info, |
| 640 | ARRAY_SIZE(omap3stalker_spi_board_info)); |
| 641 | |
| 642 | omap_serial_init(); |
| 643 | usb_musb_init(&musb_board_data); |
| 644 | usb_ehci_init(&ehci_pdata); |
| 645 | ads7846_dev_init(); |
| 646 | |
| 647 | omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); |
| 648 | omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); |
| 649 | |
| 650 | omap3stalker_init_eth(); |
| 651 | omap3_stalker_display_init(); |
| 652 | /* Ensure SDRC pins are mux'd for self-refresh */ |
| 653 | omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT); |
| 654 | omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT); |
| 655 | } |
| 656 | |
| 657 | static void __init omap3_stalker_map_io(void) |
| 658 | { |
| 659 | omap2_set_globals_343x(); |
| 660 | omap34xx_map_common_io(); |
| 661 | } |
| 662 | |
| 663 | MACHINE_START(SBC3530, "OMAP3 STALKER") |
| 664 | /* Maintainer: Jason Lam -lzg@ema-tech.com */ |
| 665 | .phys_io = 0x48000000, |
| 666 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
| 667 | .boot_params = 0x80000100, |
| 668 | .map_io = omap3_stalker_map_io, |
| 669 | .init_irq = omap3_stalker_init_irq, |
| 670 | .init_machine = omap3_stalker_init, |
| 671 | .timer = &omap_timer, |
| 672 | MACHINE_END |