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/consumer.h> 22 #include <linux/gpio/machine.h> 23 #include <linux/i2c.h> 24 #include <linux/init.h> 25 #include <linux/interrupt.h> 26 #include <linux/memblock.h> 27 #include <linux/mfd/tmio.h> 28 #include <linux/mmc/host.h> 29 #include <linux/mtd/physmap.h> 30 #include <linux/mtd/sh_flctl.h> 31 #include <linux/platform_device.h> 32 #include <linux/regulator/fixed.h> 33 #include <linux/regulator/machine.h> 34 #include <linux/sh_intc.h> 35 #include <linux/smsc911x.h> 36 #include <linux/videodev2.h> 37 38 #include <media/drv-intf/renesas-ceu.h> 39 #include <media/i2c/ov772x.h> 40 41 #include <video/sh_mobile_lcdc.h> 42 43 #define CEU_BUFFER_MEMORY_SIZE (4 << 20) 44 static phys_addr_t ceu_dma_membase; 45 46 /* Dummy supplies, where voltage doesn't matter */ 47 static struct regulator_consumer_supply dummy_supplies[] = { 48 REGULATOR_SUPPLY("vddvario", "smsc911x"), 49 REGULATOR_SUPPLY("vdd33a", "smsc911x"), 50 }; 51 52 static struct smsc911x_platform_config smsc911x_config = { 53 .phy_interface = PHY_INTERFACE_MODE_MII, 54 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, 55 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, 56 .flags = SMSC911X_USE_32BIT, 57 }; 58 59 static struct resource smsc9118_resources[] = { 60 [0] = { 61 .start = 0xb6080000, 62 .end = 0xb60fffff, 63 .flags = IORESOURCE_MEM, 64 }, 65 [1] = { 66 .start = evt2irq(0x660), 67 .end = evt2irq(0x660), 68 .flags = IORESOURCE_IRQ, 69 } 70 }; 71 72 static struct platform_device smsc9118_device = { 73 .name = "smsc911x", 74 .id = -1, 75 .num_resources = ARRAY_SIZE(smsc9118_resources), 76 .resource = smsc9118_resources, 77 .dev = { 78 .platform_data = &smsc911x_config, 79 }, 80 }; 81 82 /* 83 * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF). 84 * If this area erased, this board can not boot. 85 */ 86 static struct mtd_partition ap325rxa_nor_flash_partitions[] = { 87 { 88 .name = "uboot", 89 .offset = 0, 90 .size = (1 * 1024 * 1024), 91 .mask_flags = MTD_WRITEABLE, /* Read-only */ 92 }, { 93 .name = "kernel", 94 .offset = MTDPART_OFS_APPEND, 95 .size = (2 * 1024 * 1024), 96 }, { 97 .name = "free-area0", 98 .offset = MTDPART_OFS_APPEND, 99 .size = ((7 * 1024 * 1024) + (512 * 1024)), 100 }, { 101 .name = "CPLD-Data", 102 .offset = MTDPART_OFS_APPEND, 103 .mask_flags = MTD_WRITEABLE, /* Read-only */ 104 .size = (1024 * 128 * 2), 105 }, { 106 .name = "free-area1", 107 .offset = MTDPART_OFS_APPEND, 108 .size = MTDPART_SIZ_FULL, 109 }, 110 }; 111 112 static struct physmap_flash_data ap325rxa_nor_flash_data = { 113 .width = 2, 114 .parts = ap325rxa_nor_flash_partitions, 115 .nr_parts = ARRAY_SIZE(ap325rxa_nor_flash_partitions), 116 }; 117 118 static struct resource ap325rxa_nor_flash_resources[] = { 119 [0] = { 120 .name = "NOR Flash", 121 .start = 0x00000000, 122 .end = 0x00ffffff, 123 .flags = IORESOURCE_MEM, 124 } 125 }; 126 127 static struct platform_device ap325rxa_nor_flash_device = { 128 .name = "physmap-flash", 129 .resource = ap325rxa_nor_flash_resources, 130 .num_resources = ARRAY_SIZE(ap325rxa_nor_flash_resources), 131 .dev = { 132 .platform_data = &ap325rxa_nor_flash_data, 133 }, 134 }; 135 136 static struct mtd_partition nand_partition_info[] = { 137 { 138 .name = "nand_data", 139 .offset = 0, 140 .size = MTDPART_SIZ_FULL, 141 }, 142 }; 143 144 static struct resource nand_flash_resources[] = { 145 [0] = { 146 .start = 0xa4530000, 147 .end = 0xa45300ff, 148 .flags = IORESOURCE_MEM, 149 } 150 }; 151 152 static struct sh_flctl_platform_data nand_flash_data = { 153 .parts = nand_partition_info, 154 .nr_parts = ARRAY_SIZE(nand_partition_info), 155 .flcmncr_val = FCKSEL_E | TYPESEL_SET | NANWF_E, 156 .has_hwecc = 1, 157 }; 158 159 static struct platform_device nand_flash_device = { 160 .name = "sh_flctl", 161 .resource = nand_flash_resources, 162 .num_resources = ARRAY_SIZE(nand_flash_resources), 163 .dev = { 164 .platform_data = &nand_flash_data, 165 }, 166 }; 167 168 #define FPGA_LCDREG 0xB4100180 169 #define FPGA_BKLREG 0xB4100212 170 #define FPGA_LCDREG_VAL 0x0018 171 #define PORT_MSELCRB 0xA4050182 172 #define PORT_HIZCRC 0xA405015C 173 #define PORT_DRVCRA 0xA405018A 174 #define PORT_DRVCRB 0xA405018C 175 176 static int ap320_wvga_set_brightness(int brightness) 177 { 178 if (brightness) { 179 gpio_set_value(GPIO_PTS3, 0); 180 __raw_writew(0x100, FPGA_BKLREG); 181 } else { 182 __raw_writew(0, FPGA_BKLREG); 183 gpio_set_value(GPIO_PTS3, 1); 184 } 185 186 return 0; 187 } 188 189 static void ap320_wvga_power_on(void) 190 { 191 msleep(100); 192 193 /* ASD AP-320/325 LCD ON */ 194 __raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG); 195 } 196 197 static void ap320_wvga_power_off(void) 198 { 199 /* ASD AP-320/325 LCD OFF */ 200 __raw_writew(0, FPGA_LCDREG); 201 } 202 203 static const struct fb_videomode ap325rxa_lcdc_modes[] = { 204 { 205 .name = "LB070WV1", 206 .xres = 800, 207 .yres = 480, 208 .left_margin = 32, 209 .right_margin = 160, 210 .hsync_len = 8, 211 .upper_margin = 63, 212 .lower_margin = 80, 213 .vsync_len = 1, 214 .sync = 0, /* hsync and vsync are active low */ 215 }, 216 }; 217 218 static struct sh_mobile_lcdc_info lcdc_info = { 219 .clock_source = LCDC_CLK_EXTERNAL, 220 .ch[0] = { 221 .chan = LCDC_CHAN_MAINLCD, 222 .fourcc = V4L2_PIX_FMT_RGB565, 223 .interface_type = RGB18, 224 .clock_divider = 1, 225 .lcd_modes = ap325rxa_lcdc_modes, 226 .num_modes = ARRAY_SIZE(ap325rxa_lcdc_modes), 227 .panel_cfg = { 228 .width = 152, /* 7.0 inch */ 229 .height = 91, 230 .display_on = ap320_wvga_power_on, 231 .display_off = ap320_wvga_power_off, 232 }, 233 .bl_info = { 234 .name = "sh_mobile_lcdc_bl", 235 .max_brightness = 1, 236 .set_brightness = ap320_wvga_set_brightness, 237 }, 238 } 239 }; 240 241 static struct resource lcdc_resources[] = { 242 [0] = { 243 .name = "LCDC", 244 .start = 0xfe940000, /* P4-only space */ 245 .end = 0xfe942fff, 246 .flags = IORESOURCE_MEM, 247 }, 248 [1] = { 249 .start = evt2irq(0x580), 250 .flags = IORESOURCE_IRQ, 251 }, 252 }; 253 254 static struct platform_device lcdc_device = { 255 .name = "sh_mobile_lcdc_fb", 256 .num_resources = ARRAY_SIZE(lcdc_resources), 257 .resource = lcdc_resources, 258 .dev = { 259 .platform_data = &lcdc_info, 260 }, 261 }; 262 263 /* Powerdown/reset gpios for CEU image sensors */ 264 static struct gpiod_lookup_table ov7725_gpios = { 265 .dev_id = "0-0021", 266 .table = { 267 GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW), 268 }, 269 }; 270 271 static struct ceu_platform_data ceu0_pdata = { 272 .num_subdevs = 1, 273 .subdevs = { 274 { /* [0] = ov7725 */ 275 .flags = 0, 276 .bus_width = 8, 277 .bus_shift = 0, 278 .i2c_adapter_id = 0, 279 .i2c_address = 0x21, 280 }, 281 }, 282 }; 283 284 static struct resource ceu_resources[] = { 285 [0] = { 286 .name = "CEU", 287 .start = 0xfe910000, 288 .end = 0xfe91009f, 289 .flags = IORESOURCE_MEM, 290 }, 291 [1] = { 292 .start = evt2irq(0x880), 293 .flags = IORESOURCE_IRQ, 294 }, 295 }; 296 297 static struct platform_device ap325rxa_ceu_device = { 298 .name = "renesas-ceu", 299 .id = 0, /* "ceu.0" clock */ 300 .num_resources = ARRAY_SIZE(ceu_resources), 301 .resource = ceu_resources, 302 .dev = { 303 .platform_data = &ceu0_pdata, 304 }, 305 }; 306 307 /* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */ 308 static struct regulator_consumer_supply fixed3v3_power_consumers[] = 309 { 310 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), 311 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), 312 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), 313 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), 314 }; 315 316 static struct resource sdhi0_cn3_resources[] = { 317 [0] = { 318 .name = "SDHI0", 319 .start = 0x04ce0000, 320 .end = 0x04ce00ff, 321 .flags = IORESOURCE_MEM, 322 }, 323 [1] = { 324 .start = evt2irq(0xe80), 325 .flags = IORESOURCE_IRQ, 326 }, 327 }; 328 329 static struct tmio_mmc_data sdhi0_cn3_data = { 330 .capabilities = MMC_CAP_SDIO_IRQ, 331 }; 332 333 static struct platform_device sdhi0_cn3_device = { 334 .name = "sh_mobile_sdhi", 335 .id = 0, /* "sdhi0" clock */ 336 .num_resources = ARRAY_SIZE(sdhi0_cn3_resources), 337 .resource = sdhi0_cn3_resources, 338 .dev = { 339 .platform_data = &sdhi0_cn3_data, 340 }, 341 }; 342 343 static struct resource sdhi1_cn7_resources[] = { 344 [0] = { 345 .name = "SDHI1", 346 .start = 0x04cf0000, 347 .end = 0x04cf00ff, 348 .flags = IORESOURCE_MEM, 349 }, 350 [1] = { 351 .start = evt2irq(0x4e0), 352 .flags = IORESOURCE_IRQ, 353 }, 354 }; 355 356 static struct tmio_mmc_data sdhi1_cn7_data = { 357 .capabilities = MMC_CAP_SDIO_IRQ, 358 }; 359 360 static struct platform_device sdhi1_cn7_device = { 361 .name = "sh_mobile_sdhi", 362 .id = 1, /* "sdhi1" clock */ 363 .num_resources = ARRAY_SIZE(sdhi1_cn7_resources), 364 .resource = sdhi1_cn7_resources, 365 .dev = { 366 .platform_data = &sdhi1_cn7_data, 367 }, 368 }; 369 370 static struct ov772x_camera_info ov7725_info = { 371 .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP, 372 .edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0), 373 }; 374 375 static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = { 376 { 377 I2C_BOARD_INFO("pcf8563", 0x51), 378 }, 379 { 380 I2C_BOARD_INFO("ov772x", 0x21), 381 .platform_data = &ov7725_info, 382 }, 383 }; 384 385 static struct platform_device *ap325rxa_devices[] __initdata = { 386 &smsc9118_device, 387 &ap325rxa_nor_flash_device, 388 &lcdc_device, 389 &nand_flash_device, 390 &sdhi0_cn3_device, 391 &sdhi1_cn7_device, 392 }; 393 394 extern char ap325rxa_sdram_enter_start; 395 extern char ap325rxa_sdram_enter_end; 396 extern char ap325rxa_sdram_leave_start; 397 extern char ap325rxa_sdram_leave_end; 398 399 static int __init ap325rxa_devices_setup(void) 400 { 401 /* register board specific self-refresh code */ 402 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF, 403 &ap325rxa_sdram_enter_start, 404 &ap325rxa_sdram_enter_end, 405 &ap325rxa_sdram_leave_start, 406 &ap325rxa_sdram_leave_end); 407 408 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, 409 ARRAY_SIZE(fixed3v3_power_consumers), 3300000); 410 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies)); 411 412 /* LD3 and LD4 LEDs */ 413 gpio_request(GPIO_PTX5, NULL); /* RUN */ 414 gpio_direction_output(GPIO_PTX5, 1); 415 gpiod_export(gpio_to_desc(GPIO_PTX5), 0); 416 417 gpio_request(GPIO_PTX4, NULL); /* INDICATOR */ 418 gpio_direction_output(GPIO_PTX4, 0); 419 gpiod_export(gpio_to_desc(GPIO_PTX4), 0); 420 421 /* SW1 input */ 422 gpio_request(GPIO_PTF7, NULL); /* MODE */ 423 gpio_direction_input(GPIO_PTF7); 424 gpiod_export(gpio_to_desc(GPIO_PTF7), 0); 425 426 /* LCDC */ 427 gpio_request(GPIO_FN_LCDD15, NULL); 428 gpio_request(GPIO_FN_LCDD14, NULL); 429 gpio_request(GPIO_FN_LCDD13, NULL); 430 gpio_request(GPIO_FN_LCDD12, NULL); 431 gpio_request(GPIO_FN_LCDD11, NULL); 432 gpio_request(GPIO_FN_LCDD10, NULL); 433 gpio_request(GPIO_FN_LCDD9, NULL); 434 gpio_request(GPIO_FN_LCDD8, NULL); 435 gpio_request(GPIO_FN_LCDD7, NULL); 436 gpio_request(GPIO_FN_LCDD6, NULL); 437 gpio_request(GPIO_FN_LCDD5, NULL); 438 gpio_request(GPIO_FN_LCDD4, NULL); 439 gpio_request(GPIO_FN_LCDD3, NULL); 440 gpio_request(GPIO_FN_LCDD2, NULL); 441 gpio_request(GPIO_FN_LCDD1, NULL); 442 gpio_request(GPIO_FN_LCDD0, NULL); 443 gpio_request(GPIO_FN_LCDLCLK_PTR, NULL); 444 gpio_request(GPIO_FN_LCDDCK, NULL); 445 gpio_request(GPIO_FN_LCDVEPWC, NULL); 446 gpio_request(GPIO_FN_LCDVCPWC, NULL); 447 gpio_request(GPIO_FN_LCDVSYN, NULL); 448 gpio_request(GPIO_FN_LCDHSYN, NULL); 449 gpio_request(GPIO_FN_LCDDISP, NULL); 450 gpio_request(GPIO_FN_LCDDON, NULL); 451 452 /* LCD backlight */ 453 gpio_request(GPIO_PTS3, NULL); 454 gpio_direction_output(GPIO_PTS3, 1); 455 456 /* CEU */ 457 gpio_request(GPIO_FN_VIO_CLK2, NULL); 458 gpio_request(GPIO_FN_VIO_VD2, NULL); 459 gpio_request(GPIO_FN_VIO_HD2, NULL); 460 gpio_request(GPIO_FN_VIO_FLD, NULL); 461 gpio_request(GPIO_FN_VIO_CKO, NULL); 462 gpio_request(GPIO_FN_VIO_D15, NULL); 463 gpio_request(GPIO_FN_VIO_D14, NULL); 464 gpio_request(GPIO_FN_VIO_D13, NULL); 465 gpio_request(GPIO_FN_VIO_D12, NULL); 466 gpio_request(GPIO_FN_VIO_D11, NULL); 467 gpio_request(GPIO_FN_VIO_D10, NULL); 468 gpio_request(GPIO_FN_VIO_D9, NULL); 469 gpio_request(GPIO_FN_VIO_D8, NULL); 470 471 gpio_request(GPIO_PTZ7, NULL); 472 gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */ 473 gpio_request(GPIO_PTZ6, NULL); 474 gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */ 475 gpio_request(GPIO_PTZ5, NULL); 476 gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */ 477 gpio_request(GPIO_PTZ4, NULL); 478 gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */ 479 480 __raw_writew(__raw_readw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB); 481 482 /* FLCTL */ 483 gpio_request(GPIO_FN_FCE, NULL); 484 gpio_request(GPIO_FN_NAF7, NULL); 485 gpio_request(GPIO_FN_NAF6, NULL); 486 gpio_request(GPIO_FN_NAF5, NULL); 487 gpio_request(GPIO_FN_NAF4, NULL); 488 gpio_request(GPIO_FN_NAF3, NULL); 489 gpio_request(GPIO_FN_NAF2, NULL); 490 gpio_request(GPIO_FN_NAF1, NULL); 491 gpio_request(GPIO_FN_NAF0, NULL); 492 gpio_request(GPIO_FN_FCDE, NULL); 493 gpio_request(GPIO_FN_FOE, NULL); 494 gpio_request(GPIO_FN_FSC, NULL); 495 gpio_request(GPIO_FN_FWE, NULL); 496 gpio_request(GPIO_FN_FRB, NULL); 497 498 __raw_writew(0, PORT_HIZCRC); 499 __raw_writew(0xFFFF, PORT_DRVCRA); 500 __raw_writew(0xFFFF, PORT_DRVCRB); 501 502 /* SDHI0 - CN3 - SD CARD */ 503 gpio_request(GPIO_FN_SDHI0CD_PTD, NULL); 504 gpio_request(GPIO_FN_SDHI0WP_PTD, NULL); 505 gpio_request(GPIO_FN_SDHI0D3_PTD, NULL); 506 gpio_request(GPIO_FN_SDHI0D2_PTD, NULL); 507 gpio_request(GPIO_FN_SDHI0D1_PTD, NULL); 508 gpio_request(GPIO_FN_SDHI0D0_PTD, NULL); 509 gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL); 510 gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL); 511 512 /* SDHI1 - CN7 - MICRO SD CARD */ 513 gpio_request(GPIO_FN_SDHI1CD, NULL); 514 gpio_request(GPIO_FN_SDHI1D3, NULL); 515 gpio_request(GPIO_FN_SDHI1D2, NULL); 516 gpio_request(GPIO_FN_SDHI1D1, NULL); 517 gpio_request(GPIO_FN_SDHI1D0, NULL); 518 gpio_request(GPIO_FN_SDHI1CMD, NULL); 519 gpio_request(GPIO_FN_SDHI1CLK, NULL); 520 521 /* Add a clock alias for ov7725 xclk source. */ 522 clk_add_alias(NULL, "0-0021", "video_clk", NULL); 523 524 /* Register RSTB gpio for ov7725 camera sensor. */ 525 gpiod_add_lookup_table(&ov7725_gpios); 526 527 i2c_register_board_info(0, ap325rxa_i2c_devices, 528 ARRAY_SIZE(ap325rxa_i2c_devices)); 529 530 /* Initialize CEU platform device separately to map memory first */ 531 device_initialize(&ap325rxa_ceu_device.dev); 532 dma_declare_coherent_memory(&ap325rxa_ceu_device.dev, 533 ceu_dma_membase, ceu_dma_membase, 534 CEU_BUFFER_MEMORY_SIZE); 535 536 platform_device_add(&ap325rxa_ceu_device); 537 538 return platform_add_devices(ap325rxa_devices, 539 ARRAY_SIZE(ap325rxa_devices)); 540 } 541 arch_initcall(ap325rxa_devices_setup); 542 543 /* Return the board specific boot mode pin configuration */ 544 static int ap325rxa_mode_pins(void) 545 { 546 /* MD0=0, MD1=0, MD2=0: Clock Mode 0 547 * MD3=0: 16-bit Area0 Bus Width 548 * MD5=1: Little Endian 549 * TSTMD=1, MD8=1: Test Mode Disabled 550 */ 551 return MODE_PIN5 | MODE_PIN8; 552 } 553 554 /* Reserve a portion of memory for CEU buffers */ 555 static void __init ap325rxa_mv_mem_reserve(void) 556 { 557 phys_addr_t phys; 558 phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; 559 560 phys = memblock_phys_alloc(size, PAGE_SIZE); 561 if (!phys) 562 panic("Failed to allocate CEU memory\n"); 563 564 memblock_phys_free(phys, size); 565 memblock_remove(phys, size); 566 567 ceu_dma_membase = phys; 568 } 569 570 static struct sh_machine_vector mv_ap325rxa __initmv = { 571 .mv_name = "AP-325RXA", 572 .mv_mode_pins = ap325rxa_mode_pins, 573 .mv_mem_reserve = ap325rxa_mv_mem_reserve, 574 }; 575