LXR linux/arch/arm/mach-pxa/tavorevb.c

   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 <linux/platform_data/video-pxafb.h>
  28#include <linux/platform_data/keypad-pxa27x.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  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
  89                .end    = PXA_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 const 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 matrix_keymap_data tavorevb_matrix_keymap_data = {
 151        .keymap         = tavorevb_matrix_key_map,
 152        .keymap_size    = ARRAY_SIZE(tavorevb_matrix_key_map),
 153};
 154
 155static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
 156        .matrix_key_rows        = 7,
 157        .matrix_key_cols        = 7,
 158        .matrix_keymap_data     = &tavorevb_matrix_keymap_data,
 159        .debounce_interval      = 30,
 160};
 161
 162static void __init tavorevb_init_keypad(void)
 163{
 164        pxa_set_keypad_info(&tavorevb_keypad_info);
 165}
 166#else
 167static inline void tavorevb_init_keypad(void) {}
 168#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
 169
 170#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 171static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
 172        [0] = {
 173                /* primary backlight */
 174                .pwm_id         = 2,
 175                .max_brightness = 100,
 176                .dft_brightness = 100,
 177                .pwm_period_ns  = 100000,
 178                .enable_gpio    = -1,
 179        },
 180        [1] = {
 181                /* secondary backlight */
 182                .pwm_id         = 0,
 183                .max_brightness = 100,
 184                .dft_brightness = 100,
 185                .pwm_period_ns  = 100000,
 186                .enable_gpio    = -1,
 187        },
 188};
 189
 190static struct platform_device tavorevb_backlight_devices[] = {
 191        [0] = {
 192                .name           = "pwm-backlight",
 193                .id             = 0,
 194                .dev            = {
 195                        .platform_data = &tavorevb_backlight_data[0],
 196                },
 197        },
 198        [1] = {
 199                .name           = "pwm-backlight",
 200                .id             = 1,
 201                .dev            = {
 202                        .platform_data = &tavorevb_backlight_data[1],
 203                },
 204        },
 205};
 206
 207static uint16_t panel_init[] = {
 208        /* DSTB OUT */
 209        SMART_CMD(0x00),
 210        SMART_CMD_NOOP,
 211        SMART_DELAY(1),
 212
 213        SMART_CMD(0x00),
 214        SMART_CMD_NOOP,
 215        SMART_DELAY(1),
 216
 217        SMART_CMD(0x00),
 218        SMART_CMD_NOOP,
 219        SMART_DELAY(1),
 220
 221        /* STB OUT */
 222        SMART_CMD(0x00),
 223        SMART_CMD(0x1D),
 224        SMART_DAT(0x00),
 225        SMART_DAT(0x05),
 226        SMART_DELAY(1),
 227
 228        /* P-ON Init sequence */
 229        SMART_CMD(0x00), /* OSC ON */
 230        SMART_CMD(0x00),
 231        SMART_DAT(0x00),
 232        SMART_DAT(0x01),
 233        SMART_CMD(0x00),
 234        SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
 235        SMART_DAT(0x01),
 236        SMART_DAT(0x27),
 237        SMART_CMD(0x00),
 238        SMART_CMD(0x02), /* LINE INV */
 239        SMART_DAT(0x02),
 240        SMART_DAT(0x00),
 241        SMART_CMD(0x00),
 242        SMART_CMD(0x03), /* IF mode(1) */
 243        SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
 244        SMART_DAT(0x30),
 245        SMART_CMD(0x07),
 246        SMART_CMD(0x00), /* RAM Write Mode */
 247        SMART_DAT(0x00),
 248        SMART_DAT(0x03),
 249        SMART_CMD(0x00),
 250
 251        /* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
 252        SMART_CMD(0x07),
 253        SMART_DAT(0x40), /* 16/18/19 BPP */
 254        SMART_DAT(0x00),
 255        SMART_CMD(0x00),
 256        SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
 257        SMART_DAT(0x03),
 258        SMART_DAT(0x02),
 259        SMART_CMD(0x00),
 260        SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
 261        SMART_DAT(0x00),
 262        SMART_DAT(0x00),
 263        SMART_CMD(0x00),
 264        SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
 265        SMART_DAT(0x00),
 266        SMART_DAT(0x10),
 267        SMART_CMD(0x00),
 268        SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
 269        SMART_DAT(0x03),
 270        SMART_DAT(0x02),
 271        SMART_CMD(0x00),
 272        SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
 273        SMART_DAT(0x01),
 274        SMART_DAT(0x02),
 275        SMART_CMD(0x00),
 276        SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
 277        SMART_DAT(0x00),
 278        SMART_DAT(0x00),
 279        SMART_CMD(0x00),
 280        SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
 281        SMART_DAT(0x20),
 282        SMART_DAT(0x00),
 283        SMART_CMD(0x00),
 284        SMART_CMD(0x1C),
 285        SMART_DAT(0x00),
 286        SMART_DAT(0x00),
 287        SMART_CMD(0x03),
 288        SMART_CMD(0x00),
 289        SMART_DAT(0x04),
 290        SMART_DAT(0x03),
 291        SMART_CMD(0x03),
 292        SMART_CMD(0x01),
 293        SMART_DAT(0x03),
 294        SMART_DAT(0x04),
 295        SMART_CMD(0x03),
 296        SMART_CMD(0x02),
 297        SMART_DAT(0x04),
 298        SMART_DAT(0x03),
 299        SMART_CMD(0x03),
 300        SMART_CMD(0x03),
 301        SMART_DAT(0x03),
 302        SMART_DAT(0x03),
 303        SMART_CMD(0x03),
 304        SMART_CMD(0x04),
 305        SMART_DAT(0x01),
 306        SMART_DAT(0x01),
 307        SMART_CMD(0x03),
 308        SMART_CMD(0x05),
 309        SMART_DAT(0x00),
 310        SMART_DAT(0x00),
 311        SMART_CMD(0x04),
 312        SMART_CMD(0x02),
 313        SMART_DAT(0x00),
 314        SMART_DAT(0x00),
 315        SMART_CMD(0x04),
 316        SMART_CMD(0x03),
 317        SMART_DAT(0x01),
 318        SMART_DAT(0x3F),
 319        SMART_DELAY(0),
 320
 321        /* DISP RAM setting: 240*320 */
 322        SMART_CMD(0x04), /* HADDR, START 0 */
 323        SMART_CMD(0x06),
 324        SMART_DAT(0x00),
 325        SMART_DAT(0x00), /* x1,3 */
 326        SMART_CMD(0x04), /* HADDR,  END   4 */
 327        SMART_CMD(0x07),
 328        SMART_DAT(0x00),
 329        SMART_DAT(0xEF), /* x2, 7 */
 330        SMART_CMD(0x04), /* VADDR, START 8 */
 331        SMART_CMD(0x08),
 332        SMART_DAT(0x00), /* y1, 10 */
 333        SMART_DAT(0x00), /* y1, 11 */
 334        SMART_CMD(0x04), /* VADDR, END 12 */
 335        SMART_CMD(0x09),
 336        SMART_DAT(0x01), /* y2, 14 */
 337        SMART_DAT(0x3F), /* y2, 15 */
 338        SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
 339        SMART_CMD(0x00),
 340        SMART_DAT(0x00),
 341        SMART_DAT(0x00), /* x1, 19 */
 342        SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
 343        SMART_CMD(0x01),
 344        SMART_DAT(0x00), /* y1, 22 */
 345        SMART_DAT(0x00), /* y1, 23 */
 346};
 347
 348static uint16_t panel_on[] = {
 349        /* Power-IC ON */
 350        SMART_CMD(0x01),
 351        SMART_CMD(0x02),
 352        SMART_DAT(0x07),
 353        SMART_DAT(0x7D),
 354        SMART_CMD(0x01),
 355        SMART_CMD(0x03),
 356        SMART_DAT(0x00),
 357        SMART_DAT(0x05),
 358        SMART_CMD(0x01),
 359        SMART_CMD(0x04),
 360        SMART_DAT(0x00),
 361        SMART_DAT(0x00),
 362        SMART_CMD(0x01),
 363        SMART_CMD(0x05),
 364        SMART_DAT(0x00),
 365        SMART_DAT(0x15),
 366        SMART_CMD(0x01),
 367        SMART_CMD(0x00),
 368        SMART_DAT(0xC0),
 369        SMART_DAT(0x10),
 370        SMART_DELAY(30),
 371
 372        /* DISP ON */
 373        SMART_CMD(0x01),
 374        SMART_CMD(0x01),
 375        SMART_DAT(0x00),
 376        SMART_DAT(0x01),
 377        SMART_CMD(0x01),
 378        SMART_CMD(0x00),
 379        SMART_DAT(0xFF),
 380        SMART_DAT(0xFE),
 381        SMART_DELAY(150),
 382};
 383
 384static uint16_t panel_off[] = {
 385        SMART_CMD(0x00),
 386        SMART_CMD(0x1E),
 387        SMART_DAT(0x00),
 388        SMART_DAT(0x0A),
 389        SMART_CMD(0x01),
 390        SMART_CMD(0x00),
 391        SMART_DAT(0xFF),
 392        SMART_DAT(0xEE),
 393        SMART_CMD(0x01),
 394        SMART_CMD(0x00),
 395        SMART_DAT(0xF8),
 396        SMART_DAT(0x12),
 397        SMART_CMD(0x01),
 398        SMART_CMD(0x00),
 399        SMART_DAT(0xE8),
 400        SMART_DAT(0x11),
 401        SMART_CMD(0x01),
 402        SMART_CMD(0x00),
 403        SMART_DAT(0xC0),
 404        SMART_DAT(0x11),
 405        SMART_CMD(0x01),
 406        SMART_CMD(0x00),
 407        SMART_DAT(0x40),
 408        SMART_DAT(0x11),
 409        SMART_CMD(0x01),
 410        SMART_CMD(0x00),
 411        SMART_DAT(0x00),
 412        SMART_DAT(0x10),
 413};
 414
 415static uint16_t update_framedata[] = {
 416        /* write ram */
 417        SMART_CMD(0x02),
 418        SMART_CMD(0x02),
 419
 420        /* write frame data */
 421        SMART_CMD_WRITE_FRAME,
 422};
 423
 424static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
 425{
 426        struct fb_info *info = container_of(var, struct fb_info, var);
 427
 428        if (on) {
 429                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
 430                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
 431        } else {
 432                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
 433        }
 434
 435        if (pxafb_smart_flush(info))
 436                pr_err("%s: timed out\n", __func__);
 437}
 438
 439static void ltm020d550_update(struct fb_info *info)
 440{
 441        pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
 442        pxafb_smart_flush(info);
 443}
 444
 445static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
 446        [0] = {
 447                .xres                   = 240,
 448                .yres                   = 320,
 449                .bpp                    = 16,
 450                .a0csrd_set_hld         = 30,
 451                .a0cswr_set_hld         = 30,
 452                .wr_pulse_width         = 30,
 453                .rd_pulse_width         = 170,
 454                .op_hold_time           = 30,
 455                .cmd_inh_time           = 60,
 456
 457                /* L_LCLK_A0 and L_LCLK_RD active low */
 458                .sync                   = FB_SYNC_HOR_HIGH_ACT |
 459                                          FB_SYNC_VERT_HIGH_ACT,
 460        },
 461};
 462
 463static struct pxafb_mach_info tavorevb_lcd_info = {
 464        .modes                  = toshiba_ltm020d550_modes,
 465        .num_modes              = 1,
 466        .lcd_conn               = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
 467        .pxafb_lcd_power        = ltm020d550_lcd_power,
 468        .smart_update           = ltm020d550_update,
 469};
 470
 471static void __init tavorevb_init_lcd(void)
 472{
 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
 507