1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Renesas - AP-325RXA 4 * (Compatible with Algo System ., LTD. - AP-320A) 5 * 6 * Copyright (C) 2008 Renesas Solutions Corp. 7 * Author : Yusuke Goda <goda.yuske@renesas.com> 8 */ 9 10 #include <asm/clock.h> 11 #include <asm/io.h> 12 #include <asm/suspend.h> 13 14 #include <cpu/sh7723.h> 15 16 #include <linux/dma-map-ops.h> 17 #include <linux/clkdev.h> 18 #include <linux/delay.h> 19 #include <linux/device.h> 20 #include <linux/gpio.h> 21 #include <linux/gpio/machine.h> 22 #include <linux/i2c.h> 23 #include <linux/init.h> 24 #include <linux/interrupt.h> 25 #include <linux/memblock.h> 26 #include <linux/mfd/tmio.h> 27 #include <linux/mmc/host.h> 28 #include <linux/mtd/physmap.h> 29 #include <linux/mtd/sh_flctl.h> 30 #include <linux/platform_device.h> 31 #include <linux/regulator/fixed.h> 32 #include <linux/regulator/machine.h> 33 #include <linux/sh_intc.h> 34 #include <linux/smsc911x.h> 35 #include <linux/videodev2.h> 36 37 #include <media/drv-intf/renesas-ceu.h> 38 #include <media/i2c/ov772x.h> 39 40 #include <video/sh_mobile_lcdc.h> 41 42 #define CEU_BUFFER_MEMORY_SIZE (4 << 20) 43 static phys_addr_t ceu_dma_membase; 44 45 /* Dummy supplies, where voltage doesn't matter */ 46 static struct regulator_consumer_supply dummy_supplies[] = { 47 REGULATOR_SUPPLY("vddvario", "smsc911x"), 48 REGULATOR_SUPPLY("vdd33a", "smsc911x"), 49 }; 50 51 static struct smsc911x_platform_config smsc911x_config = { 52 .phy_interface = PHY_INTERFACE_MODE_MII, 53 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, 54 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, 55 .flags = SMSC911X_USE_32BIT, 56 }; 57 58 static struct resource smsc9118_resources[] = { 59 [0] = { 60 .start = 0xb6080000, 61 .end = 0xb60fffff, 62 .flags = IORESOURCE_MEM, 63 }, 64 [1] = { 65 .start = evt2irq(0x660), 66 .end = evt2irq(0x660), 67 .flags = IORESOURCE_IRQ, 68 } 69 }; 70 71 static struct platform_device smsc9118_device = { 72 .name = "smsc911x", 73 .id = -1, 74 .num_resources = ARRAY_SIZE(smsc9118_resources), 75 .resource = smsc9118_resources, 76 .dev = { 77 .platform_data = &smsc911x_config, 78 }, 79 }; 80 81 /* 82 * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF). 83 * If this area erased, this board can not boot. 84 */ 85 static struct mtd_partition ap325rxa_nor_flash_partitions[] = { 86 { 87 .name = "uboot", 88 .offset = 0, 89 .size = (1 * 1024 * 1024), 90 .mask_flags = MTD_WRITEABLE, /* Read-only */ 91 }, { 92 .name = "kernel", 93 .offset = MTDPART_OFS_APPEND, 94 .size = (2 * 1024 * 1024), 95 }, { 96 .name = "free-area0", 97 .offset = MTDPART_OFS_APPEND, 98 .size = ((7 * 1024 * 1024) + (512 * 1024)), 99 }, { 100 .name = "CPLD-Data", 101 .offset = MTDPART_OFS_APPEND, 102 .mask_flags = MTD_WRITEABLE, /* Read-only */ 103 .size = (1024 * 128 * 2), 104 }, { 105 .name = "free-area1", 106 .offset = MTDPART_OFS_APPEND, 107 .size = MTDPART_SIZ_FULL, 108 }, 109 }; 110 111 static struct physmap_flash_data ap325rxa_nor_flash_data = { 112 .width = 2, 113 .parts = ap325rxa_nor_flash_partitions, 114 .nr_parts = ARRAY_SIZE(ap325rxa_nor_flash_partitions), 115 }; 116 117 static struct resource ap325rxa_nor_flash_resources[] = { 118 [0] = { 119 .name = "NOR Flash", 120 .start = 0x00000000, 121 .end = 0x00ffffff, 122 .flags = IORESOURCE_MEM, 123 } 124 }; 125 126 static struct platform_device ap325rxa_nor_flash_device = { 127 .name = "physmap-flash", 128 .resource = ap325rxa_nor_flash_resources, 129 .num_resources = ARRAY_SIZE(ap325rxa_nor_flash_resources), 130 .dev = { 131 .platform_data = &ap325rxa_nor_flash_data, 132 }, 133 }; 134 135 static struct mtd_partition nand_partition_info[] = { 136 { 137 .name = "nand_data", 138 .offset = 0, 139 .size = MTDPART_SIZ_FULL, 140 }, 141 }; 142 143 static struct resource nand_flash_resources[] = { 144 [0] = { 145 .start = 0xa4530000, 146 .end = 0xa45300ff, 147 .flags = IORESOURCE_MEM, 148 } 149 }; 150 151 static struct sh_flctl_platform_data nand_flash_data = { 152 .parts = nand_partition_info, 153 .nr_parts = ARRAY_SIZE(nand_partition_info), 154 .flcmncr_val = FCKSEL_E | TYPESEL_SET | NANWF_E, 155 .has_hwecc = 1, 156 }; 157 158 static struct platform_device nand_flash_device = { 159 .name = "sh_flctl", 160 .resource = nand_flash_resources, 161 .num_resources = ARRAY_SIZE(nand_flash_resources), 162 .dev = { 163 .platform_data = &nand_flash_data, 164 }, 165 }; 166 167 #define FPGA_LCDREG 0xB4100180 168 #define FPGA_BKLREG 0xB4100212 169 #define FPGA_LCDREG_VAL 0x0018 170 #define PORT_MSELCRB 0xA4050182 171 #define PORT_HIZCRC 0xA405015C 172 #define PORT_DRVCRA 0xA405018A 173 #define PORT_DRVCRB 0xA405018C 174 175 static int ap320_wvga_set_brightness(int brightness) 176 { 177 if (brightness) { 178 gpio_set_value(GPIO_PTS3, 0); 179 __raw_writew(0x100, FPGA_BKLREG); 180 } else { 181 __raw_writew(0, FPGA_BKLREG); 182 gpio_set_value(GPIO_PTS3, 1); 183 } 184 185 return 0; 186 } 187 188 static void ap320_wvga_power_on(void) 189 { 190 msleep(100); 191 192 /* ASD AP-320/325 LCD ON */ 193 __raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG); 194 } 195 196 static void ap320_wvga_power_off(void) 197 { 198 /* ASD AP-320/325 LCD OFF */ 199 __raw_writew(0, FPGA_LCDREG); 200 } 201 202 static const struct fb_videomode ap325rxa_lcdc_modes[] = { 203 { 204 .name = "LB070WV1", 205 .xres = 800, 206 .yres = 480, 207 .left_margin = 32, 208 .right_margin = 160, 209 .hsync_len = 8, 210 .upper_margin = 63, 211 .lower_margin = 80, 212 .vsync_len = 1, 213 .sync = 0, /* hsync and vsync are active low */ 214 }, 215 }; 216 217 static struct sh_mobile_lcdc_info lcdc_info = { 218 .clock_source = LCDC_CLK_EXTERNAL, 219 .ch[0] = { 220 .chan = LCDC_CHAN_MAINLCD, 221 .fourcc = V4L2_PIX_FMT_RGB565, 222 .interface_type = RGB18, 223 .clock_divider = 1, 224 .lcd_modes = ap325rxa_lcdc_modes, 225 .num_modes = ARRAY_SIZE(ap325rxa_lcdc_modes), 226 .panel_cfg = { 227 .width = 152, /* 7.0 inch */ 228 .height = 91, 229 .display_on = ap320_wvga_power_on, 230 .display_off = ap320_wvga_power_off, 231 }, 232 .bl_info = { 233 .name = "sh_mobile_lcdc_bl", 234 .max_brightness = 1, 235 .set_brightness = ap320_wvga_set_brightness, 236 }, 237 } 238 }; 239 240 static struct resource lcdc_resources[] = { 241 [0] = { 242 .name = "LCDC", 243 .start = 0xfe940000, /* P4-only space */ 244 .end = 0xfe942fff, 245 .flags = IORESOURCE_MEM, 246 }, 247 [1] = { 248 .start = evt2irq(0x580), 249 .flags = IORESOURCE_IRQ, 250 }, 251 }; 252 253 static struct platform_device lcdc_device = { 254 .name = "sh_mobile_lcdc_fb", 255 .num_resources = ARRAY_SIZE(lcdc_resources), 256 .resource = lcdc_resources, 257 .dev = { 258 .platform_data = &lcdc_info, 259 }, 260 }; 261 262 /* Powerdown/reset gpios for CEU image sensors */ 263 static struct gpiod_lookup_table ov7725_gpios = { 264 .dev_id = "0-0021", 265 .table = { 266 GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW), 267 }, 268 }; 269 270 static struct ceu_platform_data ceu0_pdata = { 271 .num_subdevs = 1, 272 .subdevs = { 273 { /* [0] = ov7725 */ 274 .flags = 0, 275 .bus_width = 8, 276 .bus_shift = 0, 277 .i2c_adapter_id = 0, 278 .i2c_address = 0x21, 279 }, 280 }, 281 }; 282 283 static struct resource ceu_resources[] = { 284 [0] = { 285 .name = "CEU", 286 .start = 0xfe910000, 287 .end = 0xfe91009f, 288 .flags = IORESOURCE_MEM, 289 }, 290 [1] = { 291 .start = evt2irq(0x880), 292 .flags = IORESOURCE_IRQ, 293 }, 294 }; 295 296 static struct platform_device ap325rxa_ceu_device = { 297 .name = "renesas-ceu", 298 .id = 0, /* "ceu.0" clock */ 299 .num_resources = ARRAY_SIZE(ceu_resources), 300 .resource = ceu_resources, 301 .dev = { 302 .platform_data = &ceu0_pdata, 303 }, 304 }; 305 306 /* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */ 307 static struct regulator_consumer_supply fixed3v3_power_consumers[] = 308 { 309 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), 310 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), 311 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), 312 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), 313 }; 314 315 static struct resource sdhi0_cn3_resources[] = { 316 [0] = { 317 .name = "SDHI0", 318 .start = 0x04ce0000, 319 .end = 0x04ce00ff, 320 .flags = IORESOURCE_MEM, 321 }, 322 [1] = { 323 .start = evt2irq(0xe80), 324 .flags = IORESOURCE_IRQ, 325 }, 326 }; 327 328 static struct tmio_mmc_data sdhi0_cn3_data = { 329 .capabilities = MMC_CAP_SDIO_IRQ, 330 }; 331 332 static struct platform_device sdhi0_cn3_device = { 333 .name = "sh_mobile_sdhi", 334 .id = 0, /* "sdhi0" clock */ 335 .num_resources = ARRAY_SIZE(sdhi0_cn3_resources), 336 .resource = sdhi0_cn3_resources, 337 .dev = { 338 .platform_data = &sdhi0_cn3_data, 339 }, 340 }; 341 342 static struct resource sdhi1_cn7_resources[] = { 343 [0] = { 344 .name = "SDHI1", 345 .start = 0x04cf0000, 346 .end = 0x04cf00ff, 347 .flags = IORESOURCE_MEM, 348 }, 349 [1] = { 350 .start = evt2irq(0x4e0), 351 .flags = IORESOURCE_IRQ, 352 }, 353 }; 354 355 static struct tmio_mmc_data sdhi1_cn7_data = { 356 .capabilities = MMC_CAP_SDIO_IRQ, 357 }; 358 359 static struct platform_device sdhi1_cn7_device = { 360 .name = "sh_mobile_sdhi", 361 .id = 1, /* "sdhi1" clock */ 362 .num_resources = ARRAY_SIZE(sdhi1_cn7_resources), 363 .resource = sdhi1_cn7_resources, 364 .dev = { 365 .platform_data = &sdhi1_cn7_data, 366 }, 367 }; 368 369 static struct ov772x_camera_info ov7725_info = { 370 .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP, 371 .edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0), 372 }; 373 374 static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = { 375 { 376 I2C_BOARD_INFO("pcf8563", 0x51), 377 }, 378 { 379 I2C_BOARD_INFO("ov772x", 0x21), 380 .platform_data = &ov7725_info, 381 }, 382 }; 383 384 static struct platform_device *ap325rxa_devices[] __initdata = { 385 &smsc9118_device, 386 &ap325rxa_nor_flash_device, 387 &lcdc_device, 388 &nand_flash_device, 389 &sdhi0_cn3_device, 390 &sdhi1_cn7_device, 391 }; 392 393 extern char ap325rxa_sdram_enter_start; 394 extern char ap325rxa_sdram_enter_end; 395 extern char ap325rxa_sdram_leave_start; 396 extern char ap325rxa_sdram_leave_end; 397 398 static int __init ap325rxa_devices_setup(void) 399 { 400 /* register board specific self-refresh code */ 401 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF, 402 &ap325rxa_sdram_enter_start, 403 &ap325rxa_sdram_enter_end, 404 &ap325rxa_sdram_leave_start, 405 &ap325rxa_sdram_leave_end); 406 407 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, 408 ARRAY_SIZE(fixed3v3_power_consumers), 3300000); 409 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies)); 410 411 /* LD3 and LD4 LEDs */ 412 gpio_request(GPIO_PTX5, NULL); /* RUN */ 413 gpio_direction_output(GPIO_PTX5, 1); 414 gpio_export(GPIO_PTX5, 0); 415 416 gpio_request(GPIO_PTX4, NULL); /* INDICATOR */ 417 gpio_direction_output(GPIO_PTX4, 0); 418 gpio_export(GPIO_PTX4, 0); 419 420 /* SW1 input */ 421 gpio_request(GPIO_PTF7, NULL); /* MODE */ 422 gpio_direction_input(GPIO_PTF7); 423 gpio_export(GPIO_PTF7, 0); 424 425 /* LCDC */ 426 gpio_request(GPIO_FN_LCDD15, NULL); 427 gpio_request(GPIO_FN_LCDD14, NULL); 428 gpio_request(GPIO_FN_LCDD13, NULL); 429 gpio_request(GPIO_FN_LCDD12, NULL); 430 gpio_request(GPIO_FN_LCDD11, NULL); 431 gpio_request(GPIO_FN_LCDD10, NULL); 432 gpio_request(GPIO_FN_LCDD9, NULL); 433 gpio_request(GPIO_FN_LCDD8, NULL); 434 gpio_request(GPIO_FN_LCDD7, NULL); 435 gpio_request(GPIO_FN_LCDD6, NULL); 436 gpio_request(GPIO_FN_LCDD5, NULL); 437 gpio_request(GPIO_FN_LCDD4, NULL); 438 gpio_request(GPIO_FN_LCDD3, NULL); 439 gpio_request(GPIO_FN_LCDD2, NULL); 440 gpio_request(GPIO_FN_LCDD1, NULL); 441 gpio_request(GPIO_FN_LCDD0, NULL); 442 gpio_request(GPIO_FN_LCDLCLK_PTR, NULL); 443 gpio_request(GPIO_FN_LCDDCK, NULL); 444 gpio_request(GPIO_FN_LCDVEPWC, NULL); 445 gpio_request(GPIO_FN_LCDVCPWC, NULL); 446 gpio_request(GPIO_FN_LCDVSYN, NULL); 447 gpio_request(GPIO_FN_LCDHSYN, NULL); 448 gpio_request(GPIO_FN_LCDDISP, NULL); 449 gpio_request(GPIO_FN_LCDDON, NULL); 450 451 /* LCD backlight */ 452 gpio_request(GPIO_PTS3, NULL); 453 gpio_direction_output(GPIO_PTS3, 1); 454 455 /* CEU */ 456 gpio_request(GPIO_FN_VIO_CLK2, NULL); 457 gpio_request(GPIO_FN_VIO_VD2, NULL); 458 gpio_request(GPIO_FN_VIO_HD2, NULL); 459 gpio_request(GPIO_FN_VIO_FLD, NULL); 460 gpio_request(GPIO_FN_VIO_CKO, NULL); 461 gpio_request(GPIO_FN_VIO_D15, NULL); 462 gpio_request(GPIO_FN_VIO_D14, NULL); 463 gpio_request(GPIO_FN_VIO_D13, NULL); 464 gpio_request(GPIO_FN_VIO_D12, NULL); 465 gpio_request(GPIO_FN_VIO_D11, NULL); 466 gpio_request(GPIO_FN_VIO_D10, NULL); 467 gpio_request(GPIO_FN_VIO_D9, NULL); 468 gpio_request(GPIO_FN_VIO_D8, NULL); 469 470 gpio_request(GPIO_PTZ7, NULL); 471 gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */ 472 gpio_request(GPIO_PTZ6, NULL); 473 gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */ 474 gpio_request(GPIO_PTZ5, NULL); 475 gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */ 476 gpio_request(GPIO_PTZ4, NULL); 477 gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */ 478 479 __raw_writew(__raw_readw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB); 480 481 /* FLCTL */ 482 gpio_request(GPIO_FN_FCE, NULL); 483 gpio_request(GPIO_FN_NAF7, NULL); 484 gpio_request(GPIO_FN_NAF6, NULL); 485 gpio_request(GPIO_FN_NAF5, NULL); 486 gpio_request(GPIO_FN_NAF4, NULL); 487 gpio_request(GPIO_FN_NAF3, NULL); 488 gpio_request(GPIO_FN_NAF2, NULL); 489 gpio_request(GPIO_FN_NAF1, NULL); 490 gpio_request(GPIO_FN_NAF0, NULL); 491 gpio_request(GPIO_FN_FCDE, NULL); 492 gpio_request(GPIO_FN_FOE, NULL); 493 gpio_request(GPIO_FN_FSC, NULL); 494 gpio_request(GPIO_FN_FWE, NULL); 495 gpio_request(GPIO_FN_FRB, NULL); 496 497 __raw_writew(0, PORT_HIZCRC); 498 __raw_writew(0xFFFF, PORT_DRVCRA); 499 __raw_writew(0xFFFF, PORT_DRVCRB); 500 501 /* SDHI0 - CN3 - SD CARD */ 502 gpio_request(GPIO_FN_SDHI0CD_PTD, NULL); 503 gpio_request(GPIO_FN_SDHI0WP_PTD, NULL); 504 gpio_request(GPIO_FN_SDHI0D3_PTD, NULL); 505 gpio_request(GPIO_FN_SDHI0D2_PTD, NULL); 506 gpio_request(GPIO_FN_SDHI0D1_PTD, NULL); 507 gpio_request(GPIO_FN_SDHI0D0_PTD, NULL); 508 gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL); 509 gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL); 510 511 /* SDHI1 - CN7 - MICRO SD CARD */ 512 gpio_request(GPIO_FN_SDHI1CD, NULL); 513 gpio_request(GPIO_FN_SDHI1D3, NULL); 514 gpio_request(GPIO_FN_SDHI1D2, NULL); 515 gpio_request(GPIO_FN_SDHI1D1, NULL); 516 gpio_request(GPIO_FN_SDHI1D0, NULL); 517 gpio_request(GPIO_FN_SDHI1CMD, NULL); 518 gpio_request(GPIO_FN_SDHI1CLK, NULL); 519 520 /* Add a clock alias for ov7725 xclk source. */ 521 clk_add_alias(NULL, "0-0021", "video_clk", NULL); 522 523 /* Register RSTB gpio for ov7725 camera sensor. */ 524 gpiod_add_lookup_table(&ov7725_gpios); 525 526 i2c_register_board_info(0, ap325rxa_i2c_devices, 527 ARRAY_SIZE(ap325rxa_i2c_devices)); 528 529 /* Initialize CEU platform device separately to map memory first */ 530 device_initialize(&ap325rxa_ceu_device.dev); 531 dma_declare_coherent_memory(&ap325rxa_ceu_device.dev, 532 ceu_dma_membase, ceu_dma_membase, 533 ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1); 534 535 platform_device_add(&ap325rxa_ceu_device); 536 537 return platform_add_devices(ap325rxa_devices, 538 ARRAY_SIZE(ap325rxa_devices)); 539 } 540 arch_initcall(ap325rxa_devices_setup); 541 542 /* Return the board specific boot mode pin configuration */ 543 static int ap325rxa_mode_pins(void) 544 { 545 /* MD0=0, MD1=0, MD2=0: Clock Mode 0 546 * MD3=0: 16-bit Area0 Bus Width 547 * MD5=1: Little Endian 548 * TSTMD=1, MD8=1: Test Mode Disabled 549 */ 550 return MODE_PIN5 | MODE_PIN8; 551 } 552 553 /* Reserve a portion of memory for CEU buffers */ 554 static void __init ap325rxa_mv_mem_reserve(void) 555 { 556 phys_addr_t phys; 557 phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; 558 559 phys = memblock_phys_alloc(size, PAGE_SIZE); 560 if (!phys) 561 panic("Failed to allocate CEU memory\n"); 562 563 memblock_phys_free(phys, size); 564 memblock_remove(phys, size); 565 566 ceu_dma_membase = phys; 567 } 568 569 static struct sh_machine_vector mv_ap325rxa __initmv = { 570 .mv_name = "AP-325RXA", 571 .mv_mode_pins = ap325rxa_mode_pins, 572 .mv_mem_reserve = ap325rxa_mv_mem_reserve, 573 }; 574