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

   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
 507