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.h>
  22#include <linux/pwm_backlight.h>
  23
  24#include <asm/mach-types.h>
  25#include <asm/mach/arch.h>
  26
  27#include "pxa930.h"
  28#include <linux/platform_data/video-pxafb.h>
  29#include <linux/platform_data/keypad-pxa27x.h>
  30
  31#include "devices.h"
  32#include "generic.h"
  33
  34/* Tavor EVB MFP configurations */
  35static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
  36        /* Ethernet */
  37        DF_nCS1_nCS3,
  38        GPIO47_GPIO,
  39
  40        /* LCD */
  41        GPIO23_LCD_DD0,
  42        GPIO24_LCD_DD1,
  43        GPIO25_LCD_DD2,
  44        GPIO26_LCD_DD3,
  45        GPIO27_LCD_DD4,
  46        GPIO28_LCD_DD5,
  47        GPIO29_LCD_DD6,
  48        GPIO44_LCD_DD7,
  49        GPIO21_LCD_CS,
  50        GPIO22_LCD_CS2,
  51
  52        GPIO17_LCD_FCLK_RD,
  53        GPIO18_LCD_LCLK_A0,
  54        GPIO19_LCD_PCLK_WR,
  55
  56        /* LCD Backlight */
  57        GPIO43_PWM3,    /* primary backlight */
  58        GPIO32_PWM0,    /* secondary backlight */
  59
  60        /* Keypad */
  61        GPIO0_KP_MKIN_0,
  62        GPIO2_KP_MKIN_1,
  63        GPIO4_KP_MKIN_2,
  64        GPIO6_KP_MKIN_3,
  65        GPIO8_KP_MKIN_4,
  66        GPIO10_KP_MKIN_5,
  67        GPIO12_KP_MKIN_6,
  68        GPIO1_KP_MKOUT_0,
  69        GPIO3_KP_MKOUT_1,
  70        GPIO5_KP_MKOUT_2,
  71        GPIO7_KP_MKOUT_3,
  72        GPIO9_KP_MKOUT_4,
  73        GPIO11_KP_MKOUT_5,
  74        GPIO13_KP_MKOUT_6,
  75
  76        GPIO14_KP_DKIN_2,
  77        GPIO15_KP_DKIN_3,
  78};
  79
  80#define TAVOREVB_ETH_PHYS       (0x14000000)
  81
  82static struct resource smc91x_resources[] = {
  83        [0] = {
  84                .start  = (TAVOREVB_ETH_PHYS + 0x300),
  85                .end    = (TAVOREVB_ETH_PHYS + 0xfffff),
  86                .flags  = IORESOURCE_MEM,
  87        },
  88        [1] = {
  89                .start  = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
  90                .end    = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
  91                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  92        }
  93};
  94
  95static struct smc91x_platdata tavorevb_smc91x_info = {
  96        .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
  97};
  98
  99static struct platform_device smc91x_device = {
 100        .name           = "smc91x",
 101        .id             = 0,
 102        .num_resources  = ARRAY_SIZE(smc91x_resources),
 103        .resource       = smc91x_resources,
 104        .dev            = {
 105                .platform_data = &tavorevb_smc91x_info,
 106        },
 107};
 108
 109#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 110static const unsigned int tavorevb_matrix_key_map[] = {
 111        /* KEY(row, col, key_code) */
 112        KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
 113        KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
 114        KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
 115        KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
 116        KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
 117        KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
 118
 119        KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
 120
 121        KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
 122        KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
 123        KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
 124
 125        KEY(6, 6, KEY_SPACE),
 126        KEY(0, 0, KEY_KPASTERISK),      /* * */
 127        KEY(0, 1, KEY_KPDOT),           /* # */
 128
 129        KEY(4, 1, KEY_UP),
 130        KEY(4, 3, KEY_DOWN),
 131        KEY(4, 0, KEY_LEFT),
 132        KEY(4, 2, KEY_RIGHT),
 133        KEY(6, 0, KEY_HOME),
 134        KEY(3, 2, KEY_END),
 135        KEY(6, 1, KEY_DELETE),
 136        KEY(5, 2, KEY_BACK),
 137        KEY(6, 3, KEY_CAPSLOCK),        /* KEY_LEFTSHIFT), */
 138
 139        KEY(4, 4, KEY_ENTER),           /* scroll push */
 140        KEY(6, 2, KEY_ENTER),           /* keypad action */
 141
 142        KEY(3, 1, KEY_SEND),
 143        KEY(5, 3, KEY_RECORD),
 144        KEY(5, 0, KEY_VOLUMEUP),
 145        KEY(5, 1, KEY_VOLUMEDOWN),
 146
 147        KEY(3, 0, KEY_F22),     /* soft1 */
 148        KEY(3, 3, KEY_F23),     /* soft2 */
 149};
 150
 151static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
 152        .keymap         = tavorevb_matrix_key_map,
 153        .keymap_size    = ARRAY_SIZE(tavorevb_matrix_key_map),
 154};
 155
 156static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
 157        .matrix_key_rows        = 7,
 158        .matrix_key_cols        = 7,
 159        .matrix_keymap_data     = &tavorevb_matrix_keymap_data,
 160        .debounce_interval      = 30,
 161};
 162
 163static void __init tavorevb_init_keypad(void)
 164{
 165        pxa_set_keypad_info(&tavorevb_keypad_info);
 166}
 167#else
 168static inline void tavorevb_init_keypad(void) {}
 169#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
 170
 171#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 172static struct pwm_lookup tavorevb_pwm_lookup[] = {
 173        PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000,
 174                   PWM_POLARITY_NORMAL),
 175        PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000,
 176                   PWM_POLARITY_NORMAL),
 177};
 178
 179static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
 180        [0] = {
 181                /* primary backlight */
 182                .max_brightness = 100,
 183                .dft_brightness = 100,
 184                .enable_gpio    = -1,
 185        },
 186        [1] = {
 187                /* secondary backlight */
 188                .max_brightness = 100,
 189                .dft_brightness = 100,
 190                .enable_gpio    = -1,
 191        },
 192};
 193
 194static struct platform_device tavorevb_backlight_devices[] = {
 195        [0] = {
 196                .name           = "pwm-backlight",
 197                .id             = 0,
 198                .dev            = {
 199                        .platform_data = &tavorevb_backlight_data[0],
 200                },
 201        },
 202        [1] = {
 203                .name           = "pwm-backlight",
 204                .id             = 1,
 205                .dev            = {
 206                        .platform_data = &tavorevb_backlight_data[1],
 207                },
 208        },
 209};
 210
 211static uint16_t panel_init[] = {
 212        /* DSTB OUT */
 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        SMART_CMD(0x00),
 222        SMART_CMD_NOOP,
 223        SMART_DELAY(1),
 224
 225        /* STB OUT */
 226        SMART_CMD(0x00),
 227        SMART_CMD(0x1D),
 228        SMART_DAT(0x00),
 229        SMART_DAT(0x05),
 230        SMART_DELAY(1),
 231
 232        /* P-ON Init sequence */
 233        SMART_CMD(0x00), /* OSC ON */
 234        SMART_CMD(0x00),
 235        SMART_DAT(0x00),
 236        SMART_DAT(0x01),
 237        SMART_CMD(0x00),
 238        SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
 239        SMART_DAT(0x01),
 240        SMART_DAT(0x27),
 241        SMART_CMD(0x00),
 242        SMART_CMD(0x02), /* LINE INV */
 243        SMART_DAT(0x02),
 244        SMART_DAT(0x00),
 245        SMART_CMD(0x00),
 246        SMART_CMD(0x03), /* IF mode(1) */
 247        SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
 248        SMART_DAT(0x30),
 249        SMART_CMD(0x07),
 250        SMART_CMD(0x00), /* RAM Write Mode */
 251        SMART_DAT(0x00),
 252        SMART_DAT(0x03),
 253        SMART_CMD(0x00),
 254
 255        /* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
 256        SMART_CMD(0x07),
 257        SMART_DAT(0x40), /* 16/18/19 BPP */
 258        SMART_DAT(0x00),
 259        SMART_CMD(0x00),
 260        SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
 261        SMART_DAT(0x03),
 262        SMART_DAT(0x02),
 263        SMART_CMD(0x00),
 264        SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
 265        SMART_DAT(0x00),
 266        SMART_DAT(0x00),
 267        SMART_CMD(0x00),
 268        SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
 269        SMART_DAT(0x00),
 270        SMART_DAT(0x10),
 271        SMART_CMD(0x00),
 272        SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
 273        SMART_DAT(0x03),
 274        SMART_DAT(0x02),
 275        SMART_CMD(0x00),
 276        SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
 277        SMART_DAT(0x01),
 278        SMART_DAT(0x02),
 279        SMART_CMD(0x00),
 280        SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
 281        SMART_DAT(0x00),
 282        SMART_DAT(0x00),
 283        SMART_CMD(0x00),
 284        SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
 285        SMART_DAT(0x20),
 286        SMART_DAT(0x00),
 287        SMART_CMD(0x00),
 288        SMART_CMD(0x1C),
 289        SMART_DAT(0x00),
 290        SMART_DAT(0x00),
 291        SMART_CMD(0x03),
 292        SMART_CMD(0x00),
 293        SMART_DAT(0x04),
 294        SMART_DAT(0x03),
 295        SMART_CMD(0x03),
 296        SMART_CMD(0x01),
 297        SMART_DAT(0x03),
 298        SMART_DAT(0x04),
 299        SMART_CMD(0x03),
 300        SMART_CMD(0x02),
 301        SMART_DAT(0x04),
 302        SMART_DAT(0x03),
 303        SMART_CMD(0x03),
 304        SMART_CMD(0x03),
 305        SMART_DAT(0x03),
 306        SMART_DAT(0x03),
 307        SMART_CMD(0x03),
 308        SMART_CMD(0x04),
 309        SMART_DAT(0x01),
 310        SMART_DAT(0x01),
 311        SMART_CMD(0x03),
 312        SMART_CMD(0x05),
 313        SMART_DAT(0x00),
 314        SMART_DAT(0x00),
 315        SMART_CMD(0x04),
 316        SMART_CMD(0x02),
 317        SMART_DAT(0x00),
 318        SMART_DAT(0x00),
 319        SMART_CMD(0x04),
 320        SMART_CMD(0x03),
 321        SMART_DAT(0x01),
 322        SMART_DAT(0x3F),
 323        SMART_DELAY(0),
 324
 325        /* DISP RAM setting: 240*320 */
 326        SMART_CMD(0x04), /* HADDR, START 0 */
 327        SMART_CMD(0x06),
 328        SMART_DAT(0x00),
 329        SMART_DAT(0x00), /* x1,3 */
 330        SMART_CMD(0x04), /* HADDR,  END   4 */
 331        SMART_CMD(0x07),
 332        SMART_DAT(0x00),
 333        SMART_DAT(0xEF), /* x2, 7 */
 334        SMART_CMD(0x04), /* VADDR, START 8 */
 335        SMART_CMD(0x08),
 336        SMART_DAT(0x00), /* y1, 10 */
 337        SMART_DAT(0x00), /* y1, 11 */
 338        SMART_CMD(0x04), /* VADDR, END 12 */
 339        SMART_CMD(0x09),
 340        SMART_DAT(0x01), /* y2, 14 */
 341        SMART_DAT(0x3F), /* y2, 15 */
 342        SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
 343        SMART_CMD(0x00),
 344        SMART_DAT(0x00),
 345        SMART_DAT(0x00), /* x1, 19 */
 346        SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
 347        SMART_CMD(0x01),
 348        SMART_DAT(0x00), /* y1, 22 */
 349        SMART_DAT(0x00), /* y1, 23 */
 350};
 351
 352static uint16_t panel_on[] = {
 353        /* Power-IC ON */
 354        SMART_CMD(0x01),
 355        SMART_CMD(0x02),
 356        SMART_DAT(0x07),
 357        SMART_DAT(0x7D),
 358        SMART_CMD(0x01),
 359        SMART_CMD(0x03),
 360        SMART_DAT(0x00),
 361        SMART_DAT(0x05),
 362        SMART_CMD(0x01),
 363        SMART_CMD(0x04),
 364        SMART_DAT(0x00),
 365        SMART_DAT(0x00),
 366        SMART_CMD(0x01),
 367        SMART_CMD(0x05),
 368        SMART_DAT(0x00),
 369        SMART_DAT(0x15),
 370        SMART_CMD(0x01),
 371        SMART_CMD(0x00),
 372        SMART_DAT(0xC0),
 373        SMART_DAT(0x10),
 374        SMART_DELAY(30),
 375
 376        /* DISP ON */
 377        SMART_CMD(0x01),
 378        SMART_CMD(0x01),
 379        SMART_DAT(0x00),
 380        SMART_DAT(0x01),
 381        SMART_CMD(0x01),
 382        SMART_CMD(0x00),
 383        SMART_DAT(0xFF),
 384        SMART_DAT(0xFE),
 385        SMART_DELAY(150),
 386};
 387
 388static uint16_t panel_off[] = {
 389        SMART_CMD(0x00),
 390        SMART_CMD(0x1E),
 391        SMART_DAT(0x00),
 392        SMART_DAT(0x0A),
 393        SMART_CMD(0x01),
 394        SMART_CMD(0x00),
 395        SMART_DAT(0xFF),
 396        SMART_DAT(0xEE),
 397        SMART_CMD(0x01),
 398        SMART_CMD(0x00),
 399        SMART_DAT(0xF8),
 400        SMART_DAT(0x12),
 401        SMART_CMD(0x01),
 402        SMART_CMD(0x00),
 403        SMART_DAT(0xE8),
 404        SMART_DAT(0x11),
 405        SMART_CMD(0x01),
 406        SMART_CMD(0x00),
 407        SMART_DAT(0xC0),
 408        SMART_DAT(0x11),
 409        SMART_CMD(0x01),
 410        SMART_CMD(0x00),
 411        SMART_DAT(0x40),
 412        SMART_DAT(0x11),
 413        SMART_CMD(0x01),
 414        SMART_CMD(0x00),
 415        SMART_DAT(0x00),
 416        SMART_DAT(0x10),
 417};
 418
 419static uint16_t update_framedata[] = {
 420        /* write ram */
 421        SMART_CMD(0x02),
 422        SMART_CMD(0x02),
 423
 424        /* write frame data */
 425        SMART_CMD_WRITE_FRAME,
 426};
 427
 428static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
 429{
 430        struct fb_info *info = container_of(var, struct fb_info, var);
 431
 432        if (on) {
 433                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
 434                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
 435        } else {
 436                pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
 437        }
 438
 439        if (pxafb_smart_flush(info))
 440                pr_err("%s: timed out\n", __func__);
 441}
 442
 443static void ltm020d550_update(struct fb_info *info)
 444{
 445        pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
 446        pxafb_smart_flush(info);
 447}
 448
 449static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
 450        [0] = {
 451                .xres                   = 240,
 452                .yres                   = 320,
 453                .bpp                    = 16,
 454                .a0csrd_set_hld         = 30,
 455                .a0cswr_set_hld         = 30,
 456                .wr_pulse_width         = 30,
 457                .rd_pulse_width         = 170,
 458                .op_hold_time           = 30,
 459                .cmd_inh_time           = 60,
 460
 461                /* L_LCLK_A0 and L_LCLK_RD active low */
 462                .sync                   = FB_SYNC_HOR_HIGH_ACT |
 463                                          FB_SYNC_VERT_HIGH_ACT,
 464        },
 465};
 466
 467static struct pxafb_mach_info tavorevb_lcd_info = {
 468        .modes                  = toshiba_ltm020d550_modes,
 469        .num_modes              = 1,
 470        .lcd_conn               = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
 471        .pxafb_lcd_power        = ltm020d550_lcd_power,
 472        .smart_update           = ltm020d550_update,
 473};
 474
 475static void __init tavorevb_init_lcd(void)
 476{
 477        pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
 478        platform_device_register(&tavorevb_backlight_devices[0]);
 479        platform_device_register(&tavorevb_backlight_devices[1]);
 480        pxa_set_fb_info(NULL, &tavorevb_lcd_info);
 481}
 482#else
 483static inline void tavorevb_init_lcd(void) {}
 484#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 485
 486static void __init tavorevb_init(void)
 487{
 488        /* initialize MFP configurations */
 489        pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
 490
 491        pxa_set_ffuart_info(NULL);
 492        pxa_set_btuart_info(NULL);
 493        pxa_set_stuart_info(NULL);
 494
 495        platform_device_register(&smc91x_device);
 496
 497        tavorevb_init_lcd();
 498        tavorevb_init_keypad();
 499}
 500
 501MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
 502        /* Maintainer: Eric Miao <eric.miao@marvell.com> */
 503        .atag_offset    = 0x100,
 504        .map_io         = pxa3xx_map_io,
 505        .nr_irqs        = PXA_NR_IRQS,
 506        .init_irq       = pxa3xx_init_irq,
 507        .handle_irq       = pxa3xx_handle_irq,
 508        .init_time      = pxa_timer_init,
 509        .init_machine   = tavorevb_init,
 510        .restart        = pxa_restart,
 511MACHINE_END
 512