tavorevb.c (11662B)
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * linux/arch/arm/mach-pxa/tavorevb.c 4 * 5 * Support for the Marvell PXA930 Evaluation Board 6 * 7 * Copyright (C) 2007-2008 Marvell International Ltd. 8 */ 9 10#include <linux/module.h> 11#include <linux/kernel.h> 12#include <linux/interrupt.h> 13#include <linux/init.h> 14#include <linux/platform_device.h> 15#include <linux/clk.h> 16#include <linux/gpio.h> 17#include <linux/smc91x.h> 18#include <linux/pwm.h> 19#include <linux/pwm_backlight.h> 20 21#include <asm/mach-types.h> 22#include <asm/mach/arch.h> 23 24#include "pxa930.h" 25#include <linux/platform_data/video-pxafb.h> 26#include <linux/platform_data/keypad-pxa27x.h> 27 28#include "devices.h" 29#include "generic.h" 30 31/* Tavor EVB MFP configurations */ 32static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = { 33 /* Ethernet */ 34 DF_nCS1_nCS3, 35 GPIO47_GPIO, 36 37 /* LCD */ 38 GPIO23_LCD_DD0, 39 GPIO24_LCD_DD1, 40 GPIO25_LCD_DD2, 41 GPIO26_LCD_DD3, 42 GPIO27_LCD_DD4, 43 GPIO28_LCD_DD5, 44 GPIO29_LCD_DD6, 45 GPIO44_LCD_DD7, 46 GPIO21_LCD_CS, 47 GPIO22_LCD_CS2, 48 49 GPIO17_LCD_FCLK_RD, 50 GPIO18_LCD_LCLK_A0, 51 GPIO19_LCD_PCLK_WR, 52 53 /* LCD Backlight */ 54 GPIO43_PWM3, /* primary backlight */ 55 GPIO32_PWM0, /* secondary backlight */ 56 57 /* Keypad */ 58 GPIO0_KP_MKIN_0, 59 GPIO2_KP_MKIN_1, 60 GPIO4_KP_MKIN_2, 61 GPIO6_KP_MKIN_3, 62 GPIO8_KP_MKIN_4, 63 GPIO10_KP_MKIN_5, 64 GPIO12_KP_MKIN_6, 65 GPIO1_KP_MKOUT_0, 66 GPIO3_KP_MKOUT_1, 67 GPIO5_KP_MKOUT_2, 68 GPIO7_KP_MKOUT_3, 69 GPIO9_KP_MKOUT_4, 70 GPIO11_KP_MKOUT_5, 71 GPIO13_KP_MKOUT_6, 72 73 GPIO14_KP_DKIN_2, 74 GPIO15_KP_DKIN_3, 75}; 76 77#define TAVOREVB_ETH_PHYS (0x14000000) 78 79static struct resource smc91x_resources[] = { 80 [0] = { 81 .start = (TAVOREVB_ETH_PHYS + 0x300), 82 .end = (TAVOREVB_ETH_PHYS + 0xfffff), 83 .flags = IORESOURCE_MEM, 84 }, 85 [1] = { 86 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)), 87 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)), 88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 89 } 90}; 91 92static struct smc91x_platdata tavorevb_smc91x_info = { 93 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, 94}; 95 96static struct platform_device smc91x_device = { 97 .name = "smc91x", 98 .id = 0, 99 .num_resources = ARRAY_SIZE(smc91x_resources), 100 .resource = smc91x_resources, 101 .dev = { 102 .platform_data = &tavorevb_smc91x_info, 103 }, 104}; 105 106#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) 107static const unsigned int tavorevb_matrix_key_map[] = { 108 /* KEY(row, col, key_code) */ 109 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C), 110 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G), 111 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K), 112 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O), 113 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S), 114 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W), 115 116 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z), 117 118 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3), 119 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7), 120 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9), 121 122 KEY(6, 6, KEY_SPACE), 123 KEY(0, 0, KEY_KPASTERISK), /* * */ 124 KEY(0, 1, KEY_KPDOT), /* # */ 125 126 KEY(4, 1, KEY_UP), 127 KEY(4, 3, KEY_DOWN), 128 KEY(4, 0, KEY_LEFT), 129 KEY(4, 2, KEY_RIGHT), 130 KEY(6, 0, KEY_HOME), 131 KEY(3, 2, KEY_END), 132 KEY(6, 1, KEY_DELETE), 133 KEY(5, 2, KEY_BACK), 134 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */ 135 136 KEY(4, 4, KEY_ENTER), /* scroll push */ 137 KEY(6, 2, KEY_ENTER), /* keypad action */ 138 139 KEY(3, 1, KEY_SEND), 140 KEY(5, 3, KEY_RECORD), 141 KEY(5, 0, KEY_VOLUMEUP), 142 KEY(5, 1, KEY_VOLUMEDOWN), 143 144 KEY(3, 0, KEY_F22), /* soft1 */ 145 KEY(3, 3, KEY_F23), /* soft2 */ 146}; 147 148static struct matrix_keymap_data tavorevb_matrix_keymap_data = { 149 .keymap = tavorevb_matrix_key_map, 150 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map), 151}; 152 153static struct pxa27x_keypad_platform_data tavorevb_keypad_info = { 154 .matrix_key_rows = 7, 155 .matrix_key_cols = 7, 156 .matrix_keymap_data = &tavorevb_matrix_keymap_data, 157 .debounce_interval = 30, 158}; 159 160static void __init tavorevb_init_keypad(void) 161{ 162 pxa_set_keypad_info(&tavorevb_keypad_info); 163} 164#else 165static inline void tavorevb_init_keypad(void) {} 166#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */ 167 168#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) 169static struct pwm_lookup tavorevb_pwm_lookup[] = { 170 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000, 171 PWM_POLARITY_NORMAL), 172 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000, 173 PWM_POLARITY_NORMAL), 174}; 175 176static struct platform_pwm_backlight_data tavorevb_backlight_data[] = { 177 [0] = { 178 /* primary backlight */ 179 .max_brightness = 100, 180 .dft_brightness = 100, 181 }, 182 [1] = { 183 /* secondary backlight */ 184 .max_brightness = 100, 185 .dft_brightness = 100, 186 }, 187}; 188 189static struct platform_device tavorevb_backlight_devices[] = { 190 [0] = { 191 .name = "pwm-backlight", 192 .id = 0, 193 .dev = { 194 .platform_data = &tavorevb_backlight_data[0], 195 }, 196 }, 197 [1] = { 198 .name = "pwm-backlight", 199 .id = 1, 200 .dev = { 201 .platform_data = &tavorevb_backlight_data[1], 202 }, 203 }, 204}; 205 206static uint16_t panel_init[] = { 207 /* DSTB OUT */ 208 SMART_CMD(0x00), 209 SMART_CMD_NOOP, 210 SMART_DELAY(1), 211 212 SMART_CMD(0x00), 213 SMART_CMD_NOOP, 214 SMART_DELAY(1), 215 216 SMART_CMD(0x00), 217 SMART_CMD_NOOP, 218 SMART_DELAY(1), 219 220 /* STB OUT */ 221 SMART_CMD(0x00), 222 SMART_CMD(0x1D), 223 SMART_DAT(0x00), 224 SMART_DAT(0x05), 225 SMART_DELAY(1), 226 227 /* P-ON Init sequence */ 228 SMART_CMD(0x00), /* OSC ON */ 229 SMART_CMD(0x00), 230 SMART_DAT(0x00), 231 SMART_DAT(0x01), 232 SMART_CMD(0x00), 233 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */ 234 SMART_DAT(0x01), 235 SMART_DAT(0x27), 236 SMART_CMD(0x00), 237 SMART_CMD(0x02), /* LINE INV */ 238 SMART_DAT(0x02), 239 SMART_DAT(0x00), 240 SMART_CMD(0x00), 241 SMART_CMD(0x03), /* IF mode(1) */ 242 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */ 243 SMART_DAT(0x30), 244 SMART_CMD(0x07), 245 SMART_CMD(0x00), /* RAM Write Mode */ 246 SMART_DAT(0x00), 247 SMART_DAT(0x03), 248 SMART_CMD(0x00), 249 250 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */ 251 SMART_CMD(0x07), 252 SMART_DAT(0x40), /* 16/18/19 BPP */ 253 SMART_DAT(0x00), 254 SMART_CMD(0x00), 255 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */ 256 SMART_DAT(0x03), 257 SMART_DAT(0x02), 258 SMART_CMD(0x00), 259 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */ 260 SMART_DAT(0x00), 261 SMART_DAT(0x00), 262 SMART_CMD(0x00), 263 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */ 264 SMART_DAT(0x00), 265 SMART_DAT(0x10), 266 SMART_CMD(0x00), 267 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */ 268 SMART_DAT(0x03), 269 SMART_DAT(0x02), 270 SMART_CMD(0x00), 271 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */ 272 SMART_DAT(0x01), 273 SMART_DAT(0x02), 274 SMART_CMD(0x00), 275 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */ 276 SMART_DAT(0x00), 277 SMART_DAT(0x00), 278 SMART_CMD(0x00), 279 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ 280 SMART_DAT(0x20), 281 SMART_DAT(0x00), 282 SMART_CMD(0x00), 283 SMART_CMD(0x1C), 284 SMART_DAT(0x00), 285 SMART_DAT(0x00), 286 SMART_CMD(0x03), 287 SMART_CMD(0x00), 288 SMART_DAT(0x04), 289 SMART_DAT(0x03), 290 SMART_CMD(0x03), 291 SMART_CMD(0x01), 292 SMART_DAT(0x03), 293 SMART_DAT(0x04), 294 SMART_CMD(0x03), 295 SMART_CMD(0x02), 296 SMART_DAT(0x04), 297 SMART_DAT(0x03), 298 SMART_CMD(0x03), 299 SMART_CMD(0x03), 300 SMART_DAT(0x03), 301 SMART_DAT(0x03), 302 SMART_CMD(0x03), 303 SMART_CMD(0x04), 304 SMART_DAT(0x01), 305 SMART_DAT(0x01), 306 SMART_CMD(0x03), 307 SMART_CMD(0x05), 308 SMART_DAT(0x00), 309 SMART_DAT(0x00), 310 SMART_CMD(0x04), 311 SMART_CMD(0x02), 312 SMART_DAT(0x00), 313 SMART_DAT(0x00), 314 SMART_CMD(0x04), 315 SMART_CMD(0x03), 316 SMART_DAT(0x01), 317 SMART_DAT(0x3F), 318 SMART_DELAY(0), 319 320 /* DISP RAM setting: 240*320 */ 321 SMART_CMD(0x04), /* HADDR, START 0 */ 322 SMART_CMD(0x06), 323 SMART_DAT(0x00), 324 SMART_DAT(0x00), /* x1,3 */ 325 SMART_CMD(0x04), /* HADDR, END 4 */ 326 SMART_CMD(0x07), 327 SMART_DAT(0x00), 328 SMART_DAT(0xEF), /* x2, 7 */ 329 SMART_CMD(0x04), /* VADDR, START 8 */ 330 SMART_CMD(0x08), 331 SMART_DAT(0x00), /* y1, 10 */ 332 SMART_DAT(0x00), /* y1, 11 */ 333 SMART_CMD(0x04), /* VADDR, END 12 */ 334 SMART_CMD(0x09), 335 SMART_DAT(0x01), /* y2, 14 */ 336 SMART_DAT(0x3F), /* y2, 15 */ 337 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */ 338 SMART_CMD(0x00), 339 SMART_DAT(0x00), 340 SMART_DAT(0x00), /* x1, 19 */ 341 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */ 342 SMART_CMD(0x01), 343 SMART_DAT(0x00), /* y1, 22 */ 344 SMART_DAT(0x00), /* y1, 23 */ 345}; 346 347static uint16_t panel_on[] = { 348 /* Power-IC ON */ 349 SMART_CMD(0x01), 350 SMART_CMD(0x02), 351 SMART_DAT(0x07), 352 SMART_DAT(0x7D), 353 SMART_CMD(0x01), 354 SMART_CMD(0x03), 355 SMART_DAT(0x00), 356 SMART_DAT(0x05), 357 SMART_CMD(0x01), 358 SMART_CMD(0x04), 359 SMART_DAT(0x00), 360 SMART_DAT(0x00), 361 SMART_CMD(0x01), 362 SMART_CMD(0x05), 363 SMART_DAT(0x00), 364 SMART_DAT(0x15), 365 SMART_CMD(0x01), 366 SMART_CMD(0x00), 367 SMART_DAT(0xC0), 368 SMART_DAT(0x10), 369 SMART_DELAY(30), 370 371 /* DISP ON */ 372 SMART_CMD(0x01), 373 SMART_CMD(0x01), 374 SMART_DAT(0x00), 375 SMART_DAT(0x01), 376 SMART_CMD(0x01), 377 SMART_CMD(0x00), 378 SMART_DAT(0xFF), 379 SMART_DAT(0xFE), 380 SMART_DELAY(150), 381}; 382 383static uint16_t panel_off[] = { 384 SMART_CMD(0x00), 385 SMART_CMD(0x1E), 386 SMART_DAT(0x00), 387 SMART_DAT(0x0A), 388 SMART_CMD(0x01), 389 SMART_CMD(0x00), 390 SMART_DAT(0xFF), 391 SMART_DAT(0xEE), 392 SMART_CMD(0x01), 393 SMART_CMD(0x00), 394 SMART_DAT(0xF8), 395 SMART_DAT(0x12), 396 SMART_CMD(0x01), 397 SMART_CMD(0x00), 398 SMART_DAT(0xE8), 399 SMART_DAT(0x11), 400 SMART_CMD(0x01), 401 SMART_CMD(0x00), 402 SMART_DAT(0xC0), 403 SMART_DAT(0x11), 404 SMART_CMD(0x01), 405 SMART_CMD(0x00), 406 SMART_DAT(0x40), 407 SMART_DAT(0x11), 408 SMART_CMD(0x01), 409 SMART_CMD(0x00), 410 SMART_DAT(0x00), 411 SMART_DAT(0x10), 412}; 413 414static uint16_t update_framedata[] = { 415 /* write ram */ 416 SMART_CMD(0x02), 417 SMART_CMD(0x02), 418 419 /* write frame data */ 420 SMART_CMD_WRITE_FRAME, 421}; 422 423static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var) 424{ 425 struct fb_info *info = container_of(var, struct fb_info, var); 426 427 if (on) { 428 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init)); 429 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on)); 430 } else { 431 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off)); 432 } 433 434 if (pxafb_smart_flush(info)) 435 pr_err("%s: timed out\n", __func__); 436} 437 438static void ltm020d550_update(struct fb_info *info) 439{ 440 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); 441 pxafb_smart_flush(info); 442} 443 444static struct pxafb_mode_info toshiba_ltm020d550_modes[] = { 445 [0] = { 446 .xres = 240, 447 .yres = 320, 448 .bpp = 16, 449 .a0csrd_set_hld = 30, 450 .a0cswr_set_hld = 30, 451 .wr_pulse_width = 30, 452 .rd_pulse_width = 170, 453 .op_hold_time = 30, 454 .cmd_inh_time = 60, 455 456 /* L_LCLK_A0 and L_LCLK_RD active low */ 457 .sync = FB_SYNC_HOR_HIGH_ACT | 458 FB_SYNC_VERT_HIGH_ACT, 459 }, 460}; 461 462static struct pxafb_mach_info tavorevb_lcd_info = { 463 .modes = toshiba_ltm020d550_modes, 464 .num_modes = 1, 465 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, 466 .pxafb_lcd_power = ltm020d550_lcd_power, 467 .smart_update = ltm020d550_update, 468}; 469 470static void __init tavorevb_init_lcd(void) 471{ 472 pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup)); 473 platform_device_register(&tavorevb_backlight_devices[0]); 474 platform_device_register(&tavorevb_backlight_devices[1]); 475 pxa_set_fb_info(NULL, &tavorevb_lcd_info); 476} 477#else 478static inline void tavorevb_init_lcd(void) {} 479#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ 480 481static void __init tavorevb_init(void) 482{ 483 /* initialize MFP configurations */ 484 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg)); 485 486 pxa_set_ffuart_info(NULL); 487 pxa_set_btuart_info(NULL); 488 pxa_set_stuart_info(NULL); 489 490 platform_device_register(&smc91x_device); 491 492 tavorevb_init_lcd(); 493 tavorevb_init_keypad(); 494} 495 496MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)") 497 /* Maintainer: Eric Miao <eric.miao@marvell.com> */ 498 .atag_offset = 0x100, 499 .map_io = pxa3xx_map_io, 500 .nr_irqs = PXA_NR_IRQS, 501 .init_irq = pxa3xx_init_irq, 502 .handle_irq = pxa3xx_handle_irq, 503 .init_time = pxa_timer_init, 504 .init_machine = tavorevb_init, 505 .restart = pxa_restart, 506MACHINE_END