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/fixed.h> 28#include <linux/regulator/machine.h> 29#include <linux/i2c/twl.h> 30#include <linux/mmc/host.h> 31 32#include <mach/hardware.h> 33#include <asm/mach-types.h> 34#include <asm/mach/arch.h> 35#include <asm/mach/map.h> 36#include <asm/mach/flash.h> 37 38#include <plat/board.h> 39#include "common.h" 40#include <plat/gpmc.h> 41#include <plat/nand.h> 42#include <plat/usb.h> 43#include <video/omapdss.h> 44#include <video/omap-panel-generic-dpi.h> 45#include <video/omap-panel-dvi.h> 46 47#include <plat/mcspi.h> 48#include <linux/input/matrix_keypad.h> 49#include <linux/spi/spi.h> 50#include <linux/interrupt.h> 51#include <linux/smsc911x.h> 52#include <linux/i2c/at24.h> 53 54#include "sdram-micron-mt46h32m32lf-6.h" 55#include "mux.h" 56#include "hsmmc.h" 57#include "common-board-devices.h" 58 59#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) 60#include <plat/gpmc-smsc911x.h> 61 62#define OMAP3STALKER_ETHR_START 0x2c000000 63#define OMAP3STALKER_ETHR_SIZE 1024 64#define OMAP3STALKER_ETHR_GPIO_IRQ 19 65#define OMAP3STALKER_SMC911X_CS 5 66 67static struct omap_smsc911x_platform_data smsc911x_cfg = { 68 .cs = OMAP3STALKER_SMC911X_CS, 69 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ, 70 .gpio_reset = -EINVAL, 71 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), 72}; 73 74static inline void __init omap3stalker_init_eth(void) 75{ 76 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP); 77 gpmc_smsc911x_init(&smsc911x_cfg); 78} 79 80#else 81static inline void __init omap3stalker_init_eth(void) 82{ 83 return; 84} 85#endif 86 87/* 88 * OMAP3 DSS control signals 89 */ 90 91#define DSS_ENABLE_GPIO 199 92#define LCD_PANEL_BKLIGHT_GPIO 210 93#define ENABLE_VPLL2_DEV_GRP 0xE0 94 95static int lcd_enabled; 96static int dvi_enabled; 97 98static void __init omap3_stalker_display_init(void) 99{ 100 return; 101} 102 103static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev) 104{ 105 return 0; 106} 107 108static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev) 109{ 110} 111 112static struct omap_dss_device omap3_stalker_tv_device = { 113 .name = "tv", 114 .driver_name = "venc", 115 .type = OMAP_DISPLAY_TYPE_VENC, 116#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO) 117 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, 118#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE) 119 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE, 120#endif 121 .platform_enable = omap3_stalker_enable_tv, 122 .platform_disable = omap3_stalker_disable_tv, 123}; 124 125static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev) 126{ 127 if (lcd_enabled) { 128 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); 129 return -EINVAL; 130 } 131 gpio_set_value(DSS_ENABLE_GPIO, 1); 132 dvi_enabled = 1; 133 return 0; 134} 135 136static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev) 137{ 138 gpio_set_value(DSS_ENABLE_GPIO, 0); 139 dvi_enabled = 0; 140} 141 142static struct panel_dvi_platform_data dvi_panel = { 143 .platform_enable = omap3_stalker_enable_dvi, 144 .platform_disable = omap3_stalker_disable_dvi, 145}; 146 147static struct omap_dss_device omap3_stalker_dvi_device = { 148 .name = "dvi", 149 .type = OMAP_DISPLAY_TYPE_DPI, 150 .driver_name = "dvi", 151 .data = &dvi_panel, 152 .phy.dpi.data_lines = 24, 153}; 154 155static struct omap_dss_device *omap3_stalker_dss_devices[] = { 156 &omap3_stalker_tv_device, 157 &omap3_stalker_dvi_device, 158}; 159 160static struct omap_dss_board_info omap3_stalker_dss_data = { 161 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices), 162 .devices = omap3_stalker_dss_devices, 163 .default_device = &omap3_stalker_dvi_device, 164}; 165 166static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = { 167 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), 168}; 169 170static struct regulator_consumer_supply omap3stalker_vsim_supply[] = { 171 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), 172}; 173 174/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ 175static struct regulator_init_data omap3stalker_vmmc1 = { 176 .constraints = { 177 .min_uV = 1850000, 178 .max_uV = 3150000, 179 .valid_modes_mask = REGULATOR_MODE_NORMAL 180 | REGULATOR_MODE_STANDBY, 181 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE 182 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, 183 }, 184 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply), 185 .consumer_supplies = omap3stalker_vmmc1_supply, 186}; 187 188/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ 189static struct regulator_init_data omap3stalker_vsim = { 190 .constraints = { 191 .min_uV = 1800000, 192 .max_uV = 3000000, 193 .valid_modes_mask = REGULATOR_MODE_NORMAL 194 | REGULATOR_MODE_STANDBY, 195 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE 196 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, 197 }, 198 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply), 199 .consumer_supplies = omap3stalker_vsim_supply, 200}; 201 202static struct omap2_hsmmc_info mmc[] = { 203 { 204 .mmc = 1, 205 .caps = MMC_CAP_4_BIT_DATA, 206 .gpio_cd = -EINVAL, 207 .gpio_wp = 23, 208 .deferred = true, 209 }, 210 {} /* Terminator */ 211}; 212 213static struct gpio_keys_button gpio_buttons[] = { 214 { 215 .code = BTN_EXTRA, 216 .gpio = 18, 217 .desc = "user", 218 .wakeup = 1, 219 }, 220}; 221 222static struct gpio_keys_platform_data gpio_key_info = { 223 .buttons = gpio_buttons, 224 .nbuttons = ARRAY_SIZE(gpio_buttons), 225}; 226 227static struct platform_device keys_gpio = { 228 .name = "gpio-keys", 229 .id = -1, 230 .dev = { 231 .platform_data = &gpio_key_info, 232 }, 233}; 234 235static struct gpio_led gpio_leds[] = { 236 { 237 .name = "stalker:D8:usr0", 238 .default_trigger = "default-on", 239 .gpio = 126, 240 }, 241 { 242 .name = "stalker:D9:usr1", 243 .default_trigger = "default-on", 244 .gpio = 127, 245 }, 246 { 247 .name = "stalker:D3:mmc0", 248 .gpio = -EINVAL, /* gets replaced */ 249 .active_low = true, 250 .default_trigger = "mmc0", 251 }, 252 { 253 .name = "stalker:D4:heartbeat", 254 .gpio = -EINVAL, /* gets replaced */ 255 .active_low = true, 256 .default_trigger = "heartbeat", 257 }, 258}; 259 260static struct gpio_led_platform_data gpio_led_info = { 261 .leds = gpio_leds, 262 .num_leds = ARRAY_SIZE(gpio_leds), 263}; 264 265static struct platform_device leds_gpio = { 266 .name = "leds-gpio", 267 .id = -1, 268 .dev = { 269 .platform_data = &gpio_led_info, 270 }, 271}; 272 273static int 274omap3stalker_twl_gpio_setup(struct device *dev, 275 unsigned gpio, unsigned ngpio) 276{ 277 /* gpio + 0 is "mmc0_cd" (input/IRQ) */ 278 mmc[0].gpio_cd = gpio + 0; 279 omap_hsmmc_late_init(mmc); 280 281 /* 282 * Most GPIOs are for USB OTG. Some are mostly sent to 283 * the P2 connector; notably LEDA for the LCD backlight. 284 */ 285 286 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ 287 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW, 288 "EN_LCD_BKL"); 289 290 /* gpio + 7 == DVI Enable */ 291 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI"); 292 293 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */ 294 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; 295 /* GPIO + 13 == ledsync (out, heartbeat) */ 296 gpio_leds[3].gpio = gpio + 13; 297 298 platform_device_register(&leds_gpio); 299 return 0; 300} 301 302static struct twl4030_gpio_platform_data omap3stalker_gpio_data = { 303 .gpio_base = OMAP_MAX_GPIO_LINES, 304 .irq_base = TWL4030_GPIO_IRQ_BASE, 305 .irq_end = TWL4030_GPIO_IRQ_END, 306 .use_leds = true, 307 .setup = omap3stalker_twl_gpio_setup, 308}; 309 310static uint32_t board_keymap[] = { 311 KEY(0, 0, KEY_LEFT), 312 KEY(0, 1, KEY_DOWN), 313 KEY(0, 2, KEY_ENTER), 314 KEY(0, 3, KEY_M), 315 316 KEY(1, 0, KEY_RIGHT), 317 KEY(1, 1, KEY_UP), 318 KEY(1, 2, KEY_I), 319 KEY(1, 3, KEY_N), 320 321 KEY(2, 0, KEY_A), 322 KEY(2, 1, KEY_E), 323 KEY(2, 2, KEY_J), 324 KEY(2, 3, KEY_O), 325 326 KEY(3, 0, KEY_B), 327 KEY(3, 1, KEY_F), 328 KEY(3, 2, KEY_K), 329 KEY(3, 3, KEY_P) 330}; 331 332static struct matrix_keymap_data board_map_data = { 333 .keymap = board_keymap, 334 .keymap_size = ARRAY_SIZE(board_keymap), 335}; 336 337static struct twl4030_keypad_data omap3stalker_kp_data = { 338 .keymap_data = &board_map_data, 339 .rows = 4, 340 .cols = 4, 341 .rep = 1, 342}; 343 344static struct twl4030_platform_data omap3stalker_twldata = { 345 /* platform_data for children goes here */ 346 .keypad = &omap3stalker_kp_data, 347 .gpio = &omap3stalker_gpio_data, 348 .vmmc1 = &omap3stalker_vmmc1, 349 .vsim = &omap3stalker_vsim, 350}; 351 352static struct at24_platform_data fram_info = { 353 .byte_len = (64 * 1024) / 8, 354 .page_size = 8192, 355 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO, 356}; 357 358static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = { 359 { 360 I2C_BOARD_INFO("24c64", 0x50), 361 .flags = I2C_CLIENT_WAKE, 362 .platform_data = &fram_info, 363 }, 364}; 365 366static int __init omap3_stalker_i2c_init(void) 367{ 368 omap3_pmic_get_config(&omap3stalker_twldata, 369 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC | 370 TWL_COMMON_PDATA_AUDIO, 371 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); 372 373 omap3stalker_twldata.vdac->constraints.apply_uV = true; 374 omap3stalker_twldata.vpll2->constraints.apply_uV = true; 375 omap3stalker_twldata.vpll2->constraints.name = "VDVI"; 376 377 omap3_pmic_init("twl4030", &omap3stalker_twldata); 378 omap_register_i2c_bus(2, 400, NULL, 0); 379 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3, 380 ARRAY_SIZE(omap3stalker_i2c_boardinfo3)); 381 return 0; 382} 383 384#define OMAP3_STALKER_TS_GPIO 175 385 386static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { 387}; 388 389static struct platform_device *omap3_stalker_devices[] __initdata = { 390 &keys_gpio, 391}; 392 393static struct usbhs_omap_board_data usbhs_bdata __initconst = { 394 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, 395 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, 396 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 397 398 .phy_reset = true, 399 .reset_gpio_port[0] = -EINVAL, 400 .reset_gpio_port[1] = 21, 401 .reset_gpio_port[2] = -EINVAL, 402}; 403 404#ifdef CONFIG_OMAP_MUX 405static struct omap_board_mux board_mux[] __initdata = { 406 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP | 407 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), 408 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP | 409 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE), 410 {.reg_offset = OMAP_MUX_TERMINATOR}, 411}; 412#endif 413 414static struct regulator_consumer_supply dummy_supplies[] = { 415 REGULATOR_SUPPLY("vddvario", "smsc911x.0"), 416 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), 417}; 418 419static void __init omap3_stalker_init(void) 420{ 421 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); 422 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); 423 omap_board_config = omap3_stalker_config; 424 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config); 425 426 omap_mux_init_gpio(23, OMAP_PIN_INPUT); 427 omap_hsmmc_init(mmc); 428 429 omap3_stalker_i2c_init(); 430 431 platform_add_devices(omap3_stalker_devices, 432 ARRAY_SIZE(omap3_stalker_devices)); 433 434 omap_display_init(&omap3_stalker_dss_data); 435 436 omap_serial_init(); 437 omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL); 438 usb_musb_init(NULL); 439 usbhs_init(&usbhs_bdata); 440 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL); 441 442 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT); 443 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP); 444 445 omap3stalker_init_eth(); 446 omap3_stalker_display_init(); 447/* Ensure SDRC pins are mux'd for self-refresh */ 448 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT); 449 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT); 450} 451 452MACHINE_START(SBC3530, "OMAP3 STALKER") 453 /* Maintainer: Jason Lam -lzg@ema-tech.com */ 454 .atag_offset = 0x100, 455 .map_io = omap3_map_io, 456 .init_early = omap35xx_init_early, 457 .init_irq = omap3_init_irq, 458 .handle_irq = omap3_intc_handle_irq, 459 .init_machine = omap3_stalker_init, 460 .timer = &omap3_secure_timer, 461 .restart = omap_prcm_restart, 462MACHINE_END 463