1/* 2 * linux/arch/arm/mach-pxa/tavorevb.c 3 * 4 * Support for the Marvell PXA930 Evaluation Board 5 * 6 * Copyright (C) 2007-2008 Marvell International Ltd. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * publishhed by the Free Software Foundation. 11 */ 12 13#include <linux/module.h> 14#include <linux/kernel.h> 15#include <linux/interrupt.h> 16#include <linux/init.h> 17#include <linux/platform_device.h> 18#include <linux/clk.h> 19#include <linux/gpio.h> 20#include <linux/smc91x.h> 21#include <linux/pwm_backlight.h> 22 23#include <asm/mach-types.h> 24#include <asm/mach/arch.h> 25 26#include <mach/pxa930.h> 27#include <mach/pxafb.h> 28#include <mach/pxa27x_keypad.h> 29 30#include "devices.h" 31#include "generic.h" 32 33/* Tavor EVB MFP configurations */ 34static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = { 35 /* Ethernet */ 36 DF_nCS1_nCS3, 37 GPIO47_GPIO, 38 39 /* LCD */ 40 GPIO23_LCD_DD0, 41 GPIO24_LCD_DD1, 42 GPIO25_LCD_DD2, 43 GPIO26_LCD_DD3, 44 GPIO27_LCD_DD4, 45 GPIO28_LCD_DD5, 46 GPIO29_LCD_DD6, 47 GPIO44_LCD_DD7, 48 GPIO21_LCD_CS, 49 GPIO22_LCD_CS2, 50 51 GPIO17_LCD_FCLK_RD, 52 GPIO18_LCD_LCLK_A0, 53 GPIO19_LCD_PCLK_WR, 54 55 /* LCD Backlight */ 56 GPIO43_PWM3, /* primary backlight */ 57 GPIO32_PWM0, /* secondary backlight */ 58 59 /* Keypad */ 60 GPIO0_KP_MKIN_0, 61 GPIO2_KP_MKIN_1, 62 GPIO4_KP_MKIN_2, 63 GPIO6_KP_MKIN_3, 64 GPIO8_KP_MKIN_4, 65 GPIO10_KP_MKIN_5, 66 GPIO12_KP_MKIN_6, 67 GPIO1_KP_MKOUT_0, 68 GPIO3_KP_MKOUT_1, 69 GPIO5_KP_MKOUT_2, 70 GPIO7_KP_MKOUT_3, 71 GPIO9_KP_MKOUT_4, 72 GPIO11_KP_MKOUT_5, 73 GPIO13_KP_MKOUT_6, 74 75 GPIO14_KP_DKIN_2, 76 GPIO15_KP_DKIN_3, 77}; 78 79#define TAVOREVB_ETH_PHYS (0x14000000) 80 81static struct resource smc91x_resources[] = { 82 [0] = { 83 .start = (TAVOREVB_ETH_PHYS + 0x300), 84 .end = (TAVOREVB_ETH_PHYS + 0xfffff), 85 .flags = IORESOURCE_MEM, 86 }, 87 [1] = { 88 .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)), 89 .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)), 90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 91 } 92}; 93 94static struct smc91x_platdata tavorevb_smc91x_info = { 95 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, 96}; 97 98static struct platform_device smc91x_device = { 99 .name = "smc91x", 100 .id = 0, 101 .num_resources = ARRAY_SIZE(smc91x_resources), 102 .resource = smc91x_resources, 103 .dev = { 104 .platform_data = &tavorevb_smc91x_info, 105 }, 106}; 107 108#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 109static unsigned int tavorevb_matrix_key_map[] = { 110 /* KEY(row, col, key_code) */ 111 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C), 112 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G), 113 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K), 114 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O), 115 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S), 116 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W), 117 118 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z), 119 120 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3), 121 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7), 122 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9), 123 124 KEY(6, 6, KEY_SPACE), 125 KEY(0, 0, KEY_KPASTERISK), /* * */ 126 KEY(0, 1, KEY_KPDOT), /* # */ 127 128 KEY(4, 1, KEY_UP), 129 KEY(4, 3, KEY_DOWN), 130 KEY(4, 0, KEY_LEFT), 131 KEY(4, 2, KEY_RIGHT), 132 KEY(6, 0, KEY_HOME), 133 KEY(3, 2, KEY_END), 134 KEY(6, 1, KEY_DELETE), 135 KEY(5, 2, KEY_BACK), 136 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */ 137 138 KEY(4, 4, KEY_ENTER), /* scroll push */ 139 KEY(6, 2, KEY_ENTER), /* keypad action */ 140 141 KEY(3, 1, KEY_SEND), 142 KEY(5, 3, KEY_RECORD), 143 KEY(5, 0, KEY_VOLUMEUP), 144 KEY(5, 1, KEY_VOLUMEDOWN), 145 146 KEY(3, 0, KEY_F22), /* soft1 */ 147 KEY(3, 3, KEY_F23), /* soft2 */ 148}; 149 150static struct pxa27x_keypad_platform_data tavorevb_keypad_info = { 151 .matrix_key_rows = 7, 152 .matrix_key_cols = 7, 153 .matrix_key_map = tavorevb_matrix_key_map, 154 .matrix_key_map_size = ARRAY_SIZE(tavorevb_matrix_key_map), 155 .debounce_interval = 30, 156}; 157 158static void __init tavorevb_init_keypad(void) 159{ 160 pxa_set_keypad_info(&tavorevb_keypad_info); 161} 162#else 163static inline void tavorevb_init_keypad(void) {} 164#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */ 165 166#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 167static struct platform_pwm_backlight_data tavorevb_backlight_data[] = { 168 [0] = { 169 /* primary backlight */ 170 .pwm_id = 2, 171 .max_brightness = 100, 172 .dft_brightness = 100, 173 .pwm_period_ns = 100000, 174 }, 175 [1] = { 176 /* secondary backlight */ 177 .pwm_id = 0, 178 .max_brightness = 100, 179 .dft_brightness = 100, 180 .pwm_period_ns = 100000, 181 }, 182}; 183 184static struct platform_device tavorevb_backlight_devices[] = { 185 [0] = { 186 .name = "pwm-backlight", 187 .id = 0, 188 .dev = { 189 .platform_data = &tavorevb_backlight_data[0], 190 }, 191 }, 192 [1] = { 193 .name = "pwm-backlight", 194 .id = 1, 195 .dev = { 196 .platform_data = &tavorevb_backlight_data[1], 197 }, 198 }, 199}; 200 201static uint16_t panel_init[] = { 202 /* DSTB OUT */ 203 SMART_CMD(0x00), 204 SMART_CMD_NOOP, 205 SMART_DELAY(1), 206 207 SMART_CMD(0x00), 208 SMART_CMD_NOOP, 209 SMART_DELAY(1), 210 211 SMART_CMD(0x00), 212 SMART_CMD_NOOP, 213 SMART_DELAY(1), 214 215 /* STB OUT */ 216 SMART_CMD(0x00), 217 SMART_CMD(0x1D), 218 SMART_DAT(0x00), 219 SMART_DAT(0x05), 220 SMART_DELAY(1), 221 222 /* P-ON Init sequence */ 223 SMART_CMD(0x00), /* OSC ON */ 224 SMART_CMD(0x00), 225 SMART_DAT(0x00), 226 SMART_DAT(0x01), 227 SMART_CMD(0x00), 228 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */ 229 SMART_DAT(0x01), 230 SMART_DAT(0x27), 231 SMART_CMD(0x00), 232 SMART_CMD(0x02), /* LINE INV */ 233 SMART_DAT(0x02), 234 SMART_DAT(0x00), 235 SMART_CMD(0x00), 236 SMART_CMD(0x03), /* IF mode(1) */ 237 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */ 238 SMART_DAT(0x30), 239 SMART_CMD(0x07), 240 SMART_CMD(0x00), /* RAM Write Mode */ 241 SMART_DAT(0x00), 242 SMART_DAT(0x03), 243 SMART_CMD(0x00), 244 245 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */ 246 SMART_CMD(0x07), 247 SMART_DAT(0x40), /* 16/18/19 BPP */ 248 SMART_DAT(0x00), 249 SMART_CMD(0x00), 250 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */ 251 SMART_DAT(0x03), 252 SMART_DAT(0x02), 253 SMART_CMD(0x00), 254 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */ 255 SMART_DAT(0x00), 256 SMART_DAT(0x00), 257 SMART_CMD(0x00), 258 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */ 259 SMART_DAT(0x00), 260 SMART_DAT(0x10), 261 SMART_CMD(0x00), 262 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */ 263 SMART_DAT(0x03), 264 SMART_DAT(0x02), 265 SMART_CMD(0x00), 266 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */ 267 SMART_DAT(0x01), 268 SMART_DAT(0x02), 269 SMART_CMD(0x00), 270 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */ 271 SMART_DAT(0x00), 272 SMART_DAT(0x00), 273 SMART_CMD(0x00), 274 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ 275 SMART_DAT(0x20), 276 SMART_DAT(0x00), 277 SMART_CMD(0x00), 278 SMART_CMD(0x1C), 279 SMART_DAT(0x00), 280 SMART_DAT(0x00), 281 SMART_CMD(0x03), 282 SMART_CMD(0x00), 283 SMART_DAT(0x04), 284 SMART_DAT(0x03), 285 SMART_CMD(0x03), 286 SMART_CMD(0x01), 287 SMART_DAT(0x03), 288 SMART_DAT(0x04), 289 SMART_CMD(0x03), 290 SMART_CMD(0x02), 291 SMART_DAT(0x04), 292 SMART_DAT(0x03), 293 SMART_CMD(0x03), 294 SMART_CMD(0x03), 295 SMART_DAT(0x03), 296 SMART_DAT(0x03), 297 SMART_CMD(0x03), 298 SMART_CMD(0x04), 299 SMART_DAT(0x01), 300 SMART_DAT(0x01), 301 SMART_CMD(0x03), 302 SMART_CMD(0x05), 303 SMART_DAT(0x00), 304 SMART_DAT(0x00), 305 SMART_CMD(0x04), 306 SMART_CMD(0x02), 307 SMART_DAT(0x00), 308 SMART_DAT(0x00), 309 SMART_CMD(0x04), 310 SMART_CMD(0x03), 311 SMART_DAT(0x01), 312 SMART_DAT(0x3F), 313 SMART_DELAY(0), 314 315 /* DISP RAM setting: 240*320 */ 316 SMART_CMD(0x04), /* HADDR, START 0 */ 317 SMART_CMD(0x06), 318 SMART_DAT(0x00), 319 SMART_DAT(0x00), /* x1,3 */ 320 SMART_CMD(0x04), /* HADDR, END 4 */ 321 SMART_CMD(0x07), 322 SMART_DAT(0x00), 323 SMART_DAT(0xEF), /* x2, 7 */ 324 SMART_CMD(0x04), /* VADDR, START 8 */ 325 SMART_CMD(0x08), 326 SMART_DAT(0x00), /* y1, 10 */ 327 SMART_DAT(0x00), /* y1, 11 */ 328 SMART_CMD(0x04), /* VADDR, END 12 */ 329 SMART_CMD(0x09), 330 SMART_DAT(0x01), /* y2, 14 */ 331 SMART_DAT(0x3F), /* y2, 15 */ 332 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */ 333 SMART_CMD(0x00), 334 SMART_DAT(0x00), 335 SMART_DAT(0x00), /* x1, 19 */ 336 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */ 337 SMART_CMD(0x01), 338 SMART_DAT(0x00), /* y1, 22 */ 339 SMART_DAT(0x00), /* y1, 23 */ 340}; 341 342static uint16_t panel_on[] = { 343 /* Power-IC ON */ 344 SMART_CMD(0x01), 345 SMART_CMD(0x02), 346 SMART_DAT(0x07), 347 SMART_DAT(0x7D), 348 SMART_CMD(0x01), 349 SMART_CMD(0x03), 350 SMART_DAT(0x00), 351 SMART_DAT(0x05), 352 SMART_CMD(0x01), 353 SMART_CMD(0x04), 354 SMART_DAT(0x00), 355 SMART_DAT(0x00), 356 SMART_CMD(0x01), 357 SMART_CMD(0x05), 358 SMART_DAT(0x00), 359 SMART_DAT(0x15), 360 SMART_CMD(0x01), 361 SMART_CMD(0x00), 362 SMART_DAT(0xC0), 363 SMART_DAT(0x10), 364 SMART_DELAY(30), 365 366 /* DISP ON */ 367 SMART_CMD(0x01), 368 SMART_CMD(0x01), 369 SMART_DAT(0x00), 370 SMART_DAT(0x01), 371 SMART_CMD(0x01), 372 SMART_CMD(0x00), 373 SMART_DAT(0xFF), 374 SMART_DAT(0xFE), 375 SMART_DELAY(150), 376}; 377 378static uint16_t panel_off[] = { 379 SMART_CMD(0x00), 380 SMART_CMD(0x1E), 381 SMART_DAT(0x00), 382 SMART_DAT(0x0A), 383 SMART_CMD(0x01), 384 SMART_CMD(0x00), 385 SMART_DAT(0xFF), 386 SMART_DAT(0xEE), 387 SMART_CMD(0x01), 388 SMART_CMD(0x00), 389 SMART_DAT(0xF8), 390 SMART_DAT(0x12), 391 SMART_CMD(0x01), 392 SMART_CMD(0x00), 393 SMART_DAT(0xE8), 394 SMART_DAT(0x11), 395 SMART_CMD(0x01), 396 SMART_CMD(0x00), 397 SMART_DAT(0xC0), 398 SMART_DAT(0x11), 399 SMART_CMD(0x01), 400 SMART_CMD(0x00), 401 SMART_DAT(0x40), 402 SMART_DAT(0x11), 403 SMART_CMD(0x01), 404 SMART_CMD(0x00), 405 SMART_DAT(0x00), 406 SMART_DAT(0x10), 407}; 408 409static uint16_t update_framedata[] = { 410 /* write ram */ 411 SMART_CMD(0x02), 412 SMART_CMD(0x02), 413 414 /* write frame data */ 415 SMART_CMD_WRITE_FRAME, 416}; 417 418static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var) 419{ 420 struct fb_info *info = container_of(var, struct fb_info, var); 421 422 if (on) { 423 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init)); 424 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on)); 425 } else { 426 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off)); 427 } 428 429 if (pxafb_smart_flush(info)) 430 pr_err("%s: timed out\n", __func__); 431} 432 433static void ltm020d550_update(struct fb_info *info) 434{ 435 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); 436 pxafb_smart_flush(info); 437} 438 439static struct pxafb_mode_info toshiba_ltm020d550_modes[] = { 440 [0] = { 441 .xres = 240, 442 .yres = 320, 443 .bpp = 16, 444 .a0csrd_set_hld = 30, 445 .a0cswr_set_hld = 30, 446 .wr_pulse_width = 30, 447 .rd_pulse_width = 170, 448 .op_hold_time = 30, 449 .cmd_inh_time = 60, 450 451 /* L_LCLK_A0 and L_LCLK_RD active low */ 452 .sync = FB_SYNC_HOR_HIGH_ACT | 453 FB_SYNC_VERT_HIGH_ACT, 454 }, 455}; 456 457static struct pxafb_mach_info tavorevb_lcd_info = { 458 .modes = toshiba_ltm020d550_modes, 459 .num_modes = 1, 460 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, 461 .pxafb_lcd_power = ltm020d550_lcd_power, 462 .smart_update = ltm020d550_update, 463}; 464 465static void __init tavorevb_init_lcd(void) 466{ 467 platform_device_register(&tavorevb_backlight_devices[0]); 468 platform_device_register(&tavorevb_backlight_devices[1]); 469 set_pxa_fb_info(&tavorevb_lcd_info); 470} 471#else 472static inline void tavorevb_init_lcd(void) {} 473#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ 474 475static void __init tavorevb_init(void) 476{ 477 /* initialize MFP configurations */ 478 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg)); 479 480 pxa_set_ffuart_info(NULL); 481 pxa_set_btuart_info(NULL); 482 pxa_set_stuart_info(NULL); 483 484 platform_device_register(&smc91x_device); 485 486 tavorevb_init_lcd(); 487 tavorevb_init_keypad(); 488} 489 490MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)") 491 /* Maintainer: Eric Miao <eric.miao@marvell.com> */ 492 .phys_io = 0x40000000, 493 .boot_params = 0xa0000100, 494 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 495 .map_io = pxa_map_io, 496 .init_irq = pxa3xx_init_irq, 497 .timer = &pxa_timer, 498 .init_machine = tavorevb_init, 499MACHINE_END 500