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 */
  32 static 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
  79 static 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
  92 static struct smc91x_platdata tavorevb_smc91x_info = {
  93         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
  94 };
  95
  96 static 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)
 107 static 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
 148 static 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
 153 static 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
 160 static void __init tavorevb_init_keypad(void)
 161 {
 162         pxa_set_keypad_info(&tavorevb_keypad_info);
 163 }
 164 #else
 165 static 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)
 169 static 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
 176 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
 177         [0] = {
 178                 /* primary backlight */
 179                 .max_brightness = 100,
 180                 .dft_brightness = 100,
 181                 .enable_gpio    = -1,
 182         },
 183         [1] = {
 184                 /* secondary backlight */
 185                 .max_brightness = 100,
 186                 .dft_brightness = 100,
 187                 .enable_gpio    = -1,
 188         },
 189 };
 190
 191 static struct platform_device tavorevb_backlight_devices[] = {
 192         [0] = {
 193                 .name           = "pwm-backlight",
 194                 .id             = 0,
 195                 .dev            = {
 196                         .platform_data = &tavorevb_backlight_data[0],
 197                 },
 198         },
 199         [1] = {
 200                 .name           = "pwm-backlight",
 201                 .id             = 1,
 202                 .dev            = {
 203                         .platform_data = &tavorevb_backlight_data[1],
 204                 },
 205         },
 206 };
 207
 208 static uint16_t panel_init[] = {
 209         /* DSTB OUT */
 210         SMART_CMD(0x00),
 211         SMART_CMD_NOOP,
 212         SMART_DELAY(1),
 213
 214         SMART_CMD(0x00),
 215         SMART_CMD_NOOP,
 216         SMART_DELAY(1),
 217
 218         SMART_CMD(0x00),
 219         SMART_CMD_NOOP,
 220         SMART_DELAY(1),
 221
 222         /* STB OUT */
 223         SMART_CMD(0x00),
 224         SMART_CMD(0x1D),
 225         SMART_DAT(0x00),
 226         SMART_DAT(0x05),
 227         SMART_DELAY(1),
 228
 229         /* P-ON Init sequence */
 230         SMART_CMD(0x00), /* OSC ON */
 231         SMART_CMD(0x00),
 232         SMART_DAT(0x00),
 233         SMART_DAT(0x01),
 234         SMART_CMD(0x00),
 235         SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
 236         SMART_DAT(0x01),
 237         SMART_DAT(0x27),
 238         SMART_CMD(0x00),
 239         SMART_CMD(0x02), /* LINE INV */
 240         SMART_DAT(0x02),
 241         SMART_DAT(0x00),
 242         SMART_CMD(0x00),
 243         SMART_CMD(0x03), /* IF mode(1) */
 244         SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
 245         SMART_DAT(0x30),
 246         SMART_CMD(0x07),
 247         SMART_CMD(0x00), /* RAM Write Mode */
 248         SMART_DAT(0x00),
 249         SMART_DAT(0x03),
 250         SMART_CMD(0x00),
 251
 252         /* DISPLAY Setting,  262K, fixed(NO scroll), no split screen */
 253         SMART_CMD(0x07),
 254         SMART_DAT(0x40), /* 16/18/19 BPP */
 255         SMART_DAT(0x00),
 256         SMART_CMD(0x00),
 257         SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
 258         SMART_DAT(0x03),
 259         SMART_DAT(0x02),
 260         SMART_CMD(0x00),
 261         SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
 262         SMART_DAT(0x00),
 263         SMART_DAT(0x00),
 264         SMART_CMD(0x00),
 265         SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
 266         SMART_DAT(0x00),
 267         SMART_DAT(0x10),
 268         SMART_CMD(0x00),
 269         SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
 270         SMART_DAT(0x03),
 271         SMART_DAT(0x02),
 272         SMART_CMD(0x00),
 273         SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
 274         SMART_DAT(0x01),
 275         SMART_DAT(0x02),
 276         SMART_CMD(0x00),
 277         SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
 278         SMART_DAT(0x00),
 279         SMART_DAT(0x00),
 280         SMART_CMD(0x00),
 281         SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
 282         SMART_DAT(0x20),
 283         SMART_DAT(0x00),
 284         SMART_CMD(0x00),
 285         SMART_CMD(0x1C),
 286         SMART_DAT(0x00),
 287         SMART_DAT(0x00),
 288         SMART_CMD(0x03),
 289         SMART_CMD(0x00),
 290         SMART_DAT(0x04),
 291         SMART_DAT(0x03),
 292         SMART_CMD(0x03),
 293         SMART_CMD(0x01),
 294         SMART_DAT(0x03),
 295         SMART_DAT(0x04),
 296         SMART_CMD(0x03),
 297         SMART_CMD(0x02),
 298         SMART_DAT(0x04),
 299         SMART_DAT(0x03),
 300         SMART_CMD(0x03),
 301         SMART_CMD(0x03),
 302         SMART_DAT(0x03),
 303         SMART_DAT(0x03),
 304         SMART_CMD(0x03),
 305         SMART_CMD(0x04),
 306         SMART_DAT(0x01),
 307         SMART_DAT(0x01),
 308         SMART_CMD(0x03),
 309         SMART_CMD(0x05),
 310         SMART_DAT(0x00),
 311         SMART_DAT(0x00),
 312         SMART_CMD(0x04),
 313         SMART_CMD(0x02),
 314         SMART_DAT(0x00),
 315         SMART_DAT(0x00),
 316         SMART_CMD(0x04),
 317         SMART_CMD(0x03),
 318         SMART_DAT(0x01),
 319         SMART_DAT(0x3F),
 320         SMART_DELAY(0),
 321
 322         /* DISP RAM setting: 240*320 */
 323         SMART_CMD(0x04), /* HADDR, START 0 */
 324         SMART_CMD(0x06),
 325         SMART_DAT(0x00),
 326         SMART_DAT(0x00), /* x1,3 */
 327         SMART_CMD(0x04), /* HADDR,  END   4 */
 328         SMART_CMD(0x07),
 329         SMART_DAT(0x00),
 330         SMART_DAT(0xEF), /* x2, 7 */
 331         SMART_CMD(0x04), /* VADDR, START 8 */
 332         SMART_CMD(0x08),
 333         SMART_DAT(0x00), /* y1, 10 */
 334         SMART_DAT(0x00), /* y1, 11 */
 335         SMART_CMD(0x04), /* VADDR, END 12 */
 336         SMART_CMD(0x09),
 337         SMART_DAT(0x01), /* y2, 14 */
 338         SMART_DAT(0x3F), /* y2, 15 */
 339         SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
 340         SMART_CMD(0x00),
 341         SMART_DAT(0x00),
 342         SMART_DAT(0x00), /* x1, 19 */
 343         SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
 344         SMART_CMD(0x01),
 345         SMART_DAT(0x00), /* y1, 22 */
 346         SMART_DAT(0x00), /* y1, 23 */
 347 };
 348
 349 static uint16_t panel_on[] = {
 350         /* Power-IC ON */
 351         SMART_CMD(0x01),
 352         SMART_CMD(0x02),
 353         SMART_DAT(0x07),
 354         SMART_DAT(0x7D),
 355         SMART_CMD(0x01),
 356         SMART_CMD(0x03),
 357         SMART_DAT(0x00),
 358         SMART_DAT(0x05),
 359         SMART_CMD(0x01),
 360         SMART_CMD(0x04),
 361         SMART_DAT(0x00),
 362         SMART_DAT(0x00),
 363         SMART_CMD(0x01),
 364         SMART_CMD(0x05),
 365         SMART_DAT(0x00),
 366         SMART_DAT(0x15),
 367         SMART_CMD(0x01),
 368         SMART_CMD(0x00),
 369         SMART_DAT(0xC0),
 370         SMART_DAT(0x10),
 371         SMART_DELAY(30),
 372
 373         /* DISP ON */
 374         SMART_CMD(0x01),
 375         SMART_CMD(0x01),
 376         SMART_DAT(0x00),
 377         SMART_DAT(0x01),
 378         SMART_CMD(0x01),
 379         SMART_CMD(0x00),
 380         SMART_DAT(0xFF),
 381         SMART_DAT(0xFE),
 382         SMART_DELAY(150),
 383 };
 384
 385 static uint16_t panel_off[] = {
 386         SMART_CMD(0x00),
 387         SMART_CMD(0x1E),
 388         SMART_DAT(0x00),
 389         SMART_DAT(0x0A),
 390         SMART_CMD(0x01),
 391         SMART_CMD(0x00),
 392         SMART_DAT(0xFF),
 393         SMART_DAT(0xEE),
 394         SMART_CMD(0x01),
 395         SMART_CMD(0x00),
 396         SMART_DAT(0xF8),
 397         SMART_DAT(0x12),
 398         SMART_CMD(0x01),
 399         SMART_CMD(0x00),
 400         SMART_DAT(0xE8),
 401         SMART_DAT(0x11),
 402         SMART_CMD(0x01),
 403         SMART_CMD(0x00),
 404         SMART_DAT(0xC0),
 405         SMART_DAT(0x11),
 406         SMART_CMD(0x01),
 407         SMART_CMD(0x00),
 408         SMART_DAT(0x40),
 409         SMART_DAT(0x11),
 410         SMART_CMD(0x01),
 411         SMART_CMD(0x00),
 412         SMART_DAT(0x00),
 413         SMART_DAT(0x10),
 414 };
 415
 416 static uint16_t update_framedata[] = {
 417         /* write ram */
 418         SMART_CMD(0x02),
 419         SMART_CMD(0x02),
 420
 421         /* write frame data */
 422         SMART_CMD_WRITE_FRAME,
 423 };
 424
 425 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
 426 {
 427         struct fb_info *info = container_of(var, struct fb_info, var);
 428
 429         if (on) {
 430                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
 431                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
 432         } else {
 433                 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
 434         }
 435
 436         if (pxafb_smart_flush(info))
 437                 pr_err("%s: timed out\n", __func__);
 438 }
 439
 440 static void ltm020d550_update(struct fb_info *info)
 441 {
 442         pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
 443         pxafb_smart_flush(info);
 444 }
 445
 446 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
 447         [0] = {
 448                 .xres                   = 240,
 449                 .yres                   = 320,
 450                 .bpp                    = 16,
 451                 .a0csrd_set_hld         = 30,
 452                 .a0cswr_set_hld         = 30,
 453                 .wr_pulse_width         = 30,
 454                 .rd_pulse_width         = 170,
 455                 .op_hold_time           = 30,
 456                 .cmd_inh_time           = 60,
 457
 458                 /* L_LCLK_A0 and L_LCLK_RD active low */
 459                 .sync                   = FB_SYNC_HOR_HIGH_ACT |
 460                                           FB_SYNC_VERT_HIGH_ACT,
 461         },
 462 };
 463
 464 static struct pxafb_mach_info tavorevb_lcd_info = {
 465         .modes                  = toshiba_ltm020d550_modes,
 466         .num_modes              = 1,
 467         .lcd_conn               = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
 468         .pxafb_lcd_power        = ltm020d550_lcd_power,
 469         .smart_update           = ltm020d550_update,
 470 };
 471
 472 static void __init tavorevb_init_lcd(void)
 473 {
 474         pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup));
 475         platform_device_register(&tavorevb_backlight_devices[0]);
 476         platform_device_register(&tavorevb_backlight_devices[1]);
 477         pxa_set_fb_info(NULL, &tavorevb_lcd_info);
 478 }
 479 #else
 480 static inline void tavorevb_init_lcd(void) {}
 481 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 482
 483 static void __init tavorevb_init(void)
 484 {
 485         /* initialize MFP configurations */
 486         pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
 487
 488         pxa_set_ffuart_info(NULL);
 489         pxa_set_btuart_info(NULL);
 490         pxa_set_stuart_info(NULL);
 491
 492         platform_device_register(&smc91x_device);
 493
 494         tavorevb_init_lcd();
 495         tavorevb_init_keypad();
 496 }
 497
 498 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
 499         /* Maintainer: Eric Miao <eric.miao@marvell.com> */
 500         .atag_offset    = 0x100,
 501         .map_io         = pxa3xx_map_io,
 502         .nr_irqs        = PXA_NR_IRQS,
 503         .init_irq       = pxa3xx_init_irq,
 504         .handle_irq       = pxa3xx_handle_irq,
 505         .init_time      = pxa_timer_init,
 506         .init_machine   = tavorevb_init,
 507         .restart        = pxa_restart,
 508 MACHINE_END