2 * Copyright 2004-20010 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
6 * Licensed under the GPL-2 or later.
9 #include <linux/device.h>
10 #include <linux/export.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/i2c.h>
18 #include <linux/irq.h>
19 #include <linux/interrupt.h>
20 #include <linux/usb/musb.h>
21 #include <linux/leds.h>
22 #include <linux/input.h>
24 #include <asm/bfin5xx_spi.h>
25 #include <asm/reboot.h>
27 #include <asm/portmux.h>
32 * Name the Board for the /proc/cpuinfo
34 const char bfin_board_name[] = "ADI BF527-AD7160EVAL";
37 * Driver needs to know address, irq and flag pin.
40 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
41 static struct resource musb_resources[] = {
45 .flags = IORESOURCE_MEM,
47 [1] = { /* general IRQ */
48 .start = IRQ_USB_INT0,
50 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
55 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
59 static struct musb_hdrc_config musb_config = {
66 .gpio_vrsel = GPIO_PG13,
67 /* Some custom boards need to be active low, just set it to "0"
70 .gpio_vrsel_active = 1,
71 .clkin = 24, /* musb CLKIN in MHZ */
74 static struct musb_hdrc_platform_data musb_plat = {
75 #if defined(CONFIG_USB_MUSB_OTG)
77 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
79 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
80 .mode = MUSB_PERIPHERAL,
82 .config = &musb_config,
85 static u64 musb_dmamask = ~(u32)0;
87 static struct platform_device musb_device = {
88 .name = "musb-blackfin",
91 .dma_mask = &musb_dmamask,
92 .coherent_dma_mask = 0xffffffff,
93 .platform_data = &musb_plat,
95 .num_resources = ARRAY_SIZE(musb_resources),
96 .resource = musb_resources,
100 #if IS_ENABLED(CONFIG_FB_BFIN_RA158Z)
101 static struct resource bf52x_ra158z_resources[] = {
103 .start = IRQ_PPI_ERROR,
104 .end = IRQ_PPI_ERROR,
105 .flags = IORESOURCE_IRQ,
109 static struct platform_device bf52x_ra158z_device = {
110 .name = "bfin-ra158z",
112 .num_resources = ARRAY_SIZE(bf52x_ra158z_resources),
113 .resource = bf52x_ra158z_resources,
117 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
118 static struct mtd_partition ad7160eval_partitions[] = {
120 .name = "bootloader(nor)",
124 .name = "linux kernel(nor)",
126 .offset = MTDPART_OFS_APPEND,
128 .name = "file system(nor)",
129 .size = MTDPART_SIZ_FULL,
130 .offset = MTDPART_OFS_APPEND,
134 static struct physmap_flash_data ad7160eval_flash_data = {
136 .parts = ad7160eval_partitions,
137 .nr_parts = ARRAY_SIZE(ad7160eval_partitions),
140 static struct resource ad7160eval_flash_resource = {
143 .flags = IORESOURCE_MEM,
146 static struct platform_device ad7160eval_flash_device = {
147 .name = "physmap-flash",
150 .platform_data = &ad7160eval_flash_data,
153 .resource = &ad7160eval_flash_resource,
157 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
158 static struct mtd_partition partition_info[] = {
160 .name = "linux kernel(nand)",
162 .size = 4 * 1024 * 1024,
165 .name = "file system(nand)",
166 .offset = MTDPART_OFS_APPEND,
167 .size = MTDPART_SIZ_FULL,
171 static struct bf5xx_nand_platform bf5xx_nand_platform = {
172 .data_width = NFC_NWIDTH_8,
173 .partitions = partition_info,
174 .nr_partitions = ARRAY_SIZE(partition_info),
179 static struct resource bf5xx_nand_resources[] = {
182 .end = NFC_DATA_RD + 2,
183 .flags = IORESOURCE_MEM,
188 .flags = IORESOURCE_IRQ,
192 static struct platform_device bf5xx_nand_device = {
193 .name = "bf5xx-nand",
195 .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
196 .resource = bf5xx_nand_resources,
198 .platform_data = &bf5xx_nand_platform,
203 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
204 static struct platform_device rtc_device = {
210 #if IS_ENABLED(CONFIG_BFIN_MAC)
211 #include <linux/bfin_mac.h>
212 static const unsigned short bfin_mac_peripherals[] = P_RMII0;
214 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
217 .irq = IRQ_MAC_PHYINT,
221 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
223 .phydev_data = bfin_phydev_data,
224 .phy_mode = PHY_INTERFACE_MODE_RMII,
225 .mac_peripherals = bfin_mac_peripherals,
228 static struct platform_device bfin_mii_bus = {
229 .name = "bfin_mii_bus",
231 .platform_data = &bfin_mii_bus_data,
235 static struct platform_device bfin_mac_device = {
238 .platform_data = &bfin_mii_bus,
244 #if IS_ENABLED(CONFIG_MTD_M25P80)
245 static struct mtd_partition bfin_spi_flash_partitions[] = {
247 .name = "bootloader(spi)",
250 .mask_flags = MTD_CAP_ROM
252 .name = "linux kernel(spi)",
253 .size = MTDPART_SIZ_FULL,
254 .offset = MTDPART_OFS_APPEND,
258 static struct flash_platform_data bfin_spi_flash_data = {
260 .parts = bfin_spi_flash_partitions,
261 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
265 /* SPI flash chip (m25p64) */
266 static struct bfin5xx_spi_chip spi_flash_chip_info = {
267 .enable_dma = 0, /* use dma transfer with this chip*/
271 #if IS_ENABLED(CONFIG_MMC_SPI)
272 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
277 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
278 static struct platform_device bfin_i2s = {
280 .id = CONFIG_SND_BF5XX_SPORT_NUM,
281 /* TODO: add platform data here */
285 static struct spi_board_info bfin_spi_board_info[] __initdata = {
286 #if IS_ENABLED(CONFIG_MTD_M25P80)
288 /* the modalias must be the same as spi device driver name */
289 .modalias = "m25p80", /* Name of spi_driver for this device */
290 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
291 .bus_num = 0, /* Framework bus number */
292 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
293 .platform_data = &bfin_spi_flash_data,
294 .controller_data = &spi_flash_chip_info,
298 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
300 .modalias = "ad183x",
301 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
306 #if IS_ENABLED(CONFIG_MMC_SPI)
308 .modalias = "mmc_spi",
309 .max_speed_hz = 30000000, /* max spi clock (SCK) speed in HZ */
311 .chip_select = GPIO_PH3 + MAX_CTRL_CS,
312 .controller_data = &mmc_spi_chip_info,
316 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
318 .modalias = "spidev",
319 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
326 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
327 /* SPI controller data */
328 static struct bfin5xx_spi_master bfin_spi0_info = {
329 .num_chipselect = MAX_CTRL_CS + MAX_BLACKFIN_GPIOS,
330 .enable_dma = 1, /* master has the ability to do dma transfer */
331 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
335 static struct resource bfin_spi0_resource[] = {
337 .start = SPI0_REGBASE,
338 .end = SPI0_REGBASE + 0xFF,
339 .flags = IORESOURCE_MEM,
344 .flags = IORESOURCE_DMA,
349 .flags = IORESOURCE_IRQ,
353 static struct platform_device bfin_spi0_device = {
355 .id = 0, /* Bus number */
356 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
357 .resource = bfin_spi0_resource,
359 .platform_data = &bfin_spi0_info, /* Passed to driver */
362 #endif /* spi master and devices */
364 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
365 #ifdef CONFIG_SERIAL_BFIN_UART0
366 static struct resource bfin_uart0_resources[] = {
370 .flags = IORESOURCE_MEM,
373 .start = IRQ_UART0_TX,
375 .flags = IORESOURCE_IRQ,
378 .start = IRQ_UART0_RX,
380 .flags = IORESOURCE_IRQ,
383 .start = IRQ_UART0_ERROR,
384 .end = IRQ_UART0_ERROR,
385 .flags = IORESOURCE_IRQ,
388 .start = CH_UART0_TX,
390 .flags = IORESOURCE_DMA,
393 .start = CH_UART0_RX,
395 .flags = IORESOURCE_DMA,
399 static unsigned short bfin_uart0_peripherals[] = {
400 P_UART0_TX, P_UART0_RX, 0
403 static struct platform_device bfin_uart0_device = {
406 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
407 .resource = bfin_uart0_resources,
409 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
413 #ifdef CONFIG_SERIAL_BFIN_UART1
414 static struct resource bfin_uart1_resources[] = {
418 .flags = IORESOURCE_MEM,
421 .start = IRQ_UART1_TX,
423 .flags = IORESOURCE_IRQ,
426 .start = IRQ_UART1_RX,
428 .flags = IORESOURCE_IRQ,
431 .start = IRQ_UART1_ERROR,
432 .end = IRQ_UART1_ERROR,
433 .flags = IORESOURCE_IRQ,
436 .start = CH_UART1_TX,
438 .flags = IORESOURCE_DMA,
441 .start = CH_UART1_RX,
443 .flags = IORESOURCE_DMA,
445 #ifdef CONFIG_BFIN_UART1_CTSRTS
449 .flags = IORESOURCE_IO,
454 .flags = IORESOURCE_IO,
459 static unsigned short bfin_uart1_peripherals[] = {
460 P_UART1_TX, P_UART1_RX, 0
463 static struct platform_device bfin_uart1_device = {
466 .num_resources = ARRAY_SIZE(bfin_uart1_resources),
467 .resource = bfin_uart1_resources,
469 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
475 #if IS_ENABLED(CONFIG_BFIN_SIR)
476 #ifdef CONFIG_BFIN_SIR0
477 static struct resource bfin_sir0_resources[] = {
481 .flags = IORESOURCE_MEM,
484 .start = IRQ_UART0_RX,
485 .end = IRQ_UART0_RX+1,
486 .flags = IORESOURCE_IRQ,
489 .start = CH_UART0_RX,
490 .end = CH_UART0_RX+1,
491 .flags = IORESOURCE_DMA,
495 static struct platform_device bfin_sir0_device = {
498 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
499 .resource = bfin_sir0_resources,
502 #ifdef CONFIG_BFIN_SIR1
503 static struct resource bfin_sir1_resources[] = {
507 .flags = IORESOURCE_MEM,
510 .start = IRQ_UART1_RX,
511 .end = IRQ_UART1_RX+1,
512 .flags = IORESOURCE_IRQ,
515 .start = CH_UART1_RX,
516 .end = CH_UART1_RX+1,
517 .flags = IORESOURCE_DMA,
521 static struct platform_device bfin_sir1_device = {
524 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
525 .resource = bfin_sir1_resources,
530 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7160)
531 #include <linux/input/ad7160.h>
532 static const struct ad7160_platform_data bfin_ad7160_ts_info = {
537 .coord_pref = AD7160_ORIG_TOP_LEFT,
538 .first_touch_window = 5,
540 .event_cabs = AD7160_EMIT_ABS_MT_TRACKING_ID |
541 AD7160_EMIT_ABS_MT_PRESSURE |
542 AD7160_TRACKING_ID_ASCENDING,
543 .finger_act_ctrl = 0x64,
544 .haptic_effect1_ctrl = AD7160_HAPTIC_SLOT_A(60) |
545 AD7160_HAPTIC_SLOT_A_LVL_HIGH |
546 AD7160_HAPTIC_SLOT_B(60) |
547 AD7160_HAPTIC_SLOT_B_LVL_LOW,
549 .haptic_effect2_ctrl = AD7160_HAPTIC_SLOT_A(20) |
550 AD7160_HAPTIC_SLOT_A_LVL_HIGH |
551 AD7160_HAPTIC_SLOT_B(80) |
552 AD7160_HAPTIC_SLOT_B_LVL_LOW |
553 AD7160_HAPTIC_SLOT_C(120) |
554 AD7160_HAPTIC_SLOT_C_LVL_HIGH |
555 AD7160_HAPTIC_SLOT_D(30) |
556 AD7160_HAPTIC_SLOT_D_LVL_LOW,
560 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
561 static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
563 static struct resource bfin_twi0_resource[] = {
565 .start = TWI0_REGBASE,
567 .flags = IORESOURCE_MEM,
572 .flags = IORESOURCE_IRQ,
576 static struct platform_device i2c_bfin_twi_device = {
577 .name = "i2c-bfin-twi",
579 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
580 .resource = bfin_twi0_resource,
582 .platform_data = &bfin_twi0_pins,
587 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
588 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7160)
590 I2C_BOARD_INFO("ad7160", 0x33),
592 .platform_data = (void *)&bfin_ad7160_ts_info,
597 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
598 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
599 static struct resource bfin_sport0_uart_resources[] = {
601 .start = SPORT0_TCR1,
602 .end = SPORT0_MRCS3+4,
603 .flags = IORESOURCE_MEM,
606 .start = IRQ_SPORT0_RX,
607 .end = IRQ_SPORT0_RX+1,
608 .flags = IORESOURCE_IRQ,
611 .start = IRQ_SPORT0_ERROR,
612 .end = IRQ_SPORT0_ERROR,
613 .flags = IORESOURCE_IRQ,
617 static unsigned short bfin_sport0_peripherals[] = {
618 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
619 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
622 static struct platform_device bfin_sport0_uart_device = {
623 .name = "bfin-sport-uart",
625 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
626 .resource = bfin_sport0_uart_resources,
628 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
632 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
633 static struct resource bfin_sport1_uart_resources[] = {
635 .start = SPORT1_TCR1,
636 .end = SPORT1_MRCS3+4,
637 .flags = IORESOURCE_MEM,
640 .start = IRQ_SPORT1_RX,
641 .end = IRQ_SPORT1_RX+1,
642 .flags = IORESOURCE_IRQ,
645 .start = IRQ_SPORT1_ERROR,
646 .end = IRQ_SPORT1_ERROR,
647 .flags = IORESOURCE_IRQ,
651 static unsigned short bfin_sport1_peripherals[] = {
652 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
653 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
656 static struct platform_device bfin_sport1_uart_device = {
657 .name = "bfin-sport-uart",
659 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
660 .resource = bfin_sport1_uart_resources,
662 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
668 #if IS_ENABLED(CONFIG_INPUT_BFIN_ROTARY)
669 #include <asm/bfin_rotary.h>
671 static struct bfin_rotary_platform_data bfin_rotary_data = {
672 /*.rotary_up_key = KEY_UP,*/
673 /*.rotary_down_key = KEY_DOWN,*/
674 .rotary_rel_code = REL_WHEEL,
675 .rotary_button_key = KEY_ENTER,
676 .debounce = 10, /* 0..17 */
677 .mode = ROT_QUAD_ENC | ROT_DEBE,
681 static struct resource bfin_rotary_resources[] = {
685 .flags = IORESOURCE_IRQ,
689 static struct platform_device bfin_rotary_device = {
690 .name = "bfin-rotary",
692 .num_resources = ARRAY_SIZE(bfin_rotary_resources),
693 .resource = bfin_rotary_resources,
695 .platform_data = &bfin_rotary_data,
700 static const unsigned int cclk_vlev_datasheet[] = {
701 VRPAIR(VLEV_100, 400000000),
702 VRPAIR(VLEV_105, 426000000),
703 VRPAIR(VLEV_110, 500000000),
704 VRPAIR(VLEV_115, 533000000),
705 VRPAIR(VLEV_120, 600000000),
708 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
709 .tuple_tab = cclk_vlev_datasheet,
710 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
711 .vr_settling_time = 25 /* us */,
714 static struct platform_device bfin_dpmc = {
717 .platform_data = &bfin_dmpc_vreg_data,
721 static struct platform_device *stamp_devices[] __initdata = {
725 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
729 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
733 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
737 #if IS_ENABLED(CONFIG_BFIN_MAC)
742 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
746 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
747 #ifdef CONFIG_SERIAL_BFIN_UART0
750 #ifdef CONFIG_SERIAL_BFIN_UART1
755 #if IS_ENABLED(CONFIG_FB_BFIN_RA158Z)
756 &bf52x_ra158z_device,
759 #if IS_ENABLED(CONFIG_BFIN_SIR)
760 #ifdef CONFIG_BFIN_SIR0
763 #ifdef CONFIG_BFIN_SIR1
768 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
769 &i2c_bfin_twi_device,
772 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
773 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
774 &bfin_sport0_uart_device,
776 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
777 &bfin_sport1_uart_device,
781 #if IS_ENABLED(CONFIG_INPUT_BFIN_ROTARY)
785 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
786 &ad7160eval_flash_device,
789 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
794 static int __init ad7160eval_init(void)
796 printk(KERN_INFO "%s(): registering device resources\n", __func__);
797 i2c_register_board_info(0, bfin_i2c_board_info,
798 ARRAY_SIZE(bfin_i2c_board_info));
799 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
800 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
804 arch_initcall(ad7160eval_init);
806 static struct platform_device *ad7160eval_early_devices[] __initdata = {
807 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
808 #ifdef CONFIG_SERIAL_BFIN_UART0
811 #ifdef CONFIG_SERIAL_BFIN_UART1
816 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
817 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
818 &bfin_sport0_uart_device,
820 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
821 &bfin_sport1_uart_device,
826 void __init native_machine_early_platform_add_devices(void)
828 printk(KERN_INFO "register early platform devices\n");
829 early_platform_add_devices(ad7160eval_early_devices,
830 ARRAY_SIZE(ad7160eval_early_devices));
833 void native_machine_restart(char *cmd)
835 /* workaround reboot hang when booting from SPI */
836 if ((bfin_read_SYSCR() & 0x7) == 0x3)
837 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
840 int bfin_get_ether_addr(char *addr)
842 /* the MAC is stored in OTP memory page 0xDF */
845 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
847 ret = otp_read(0xDF, 0x00, &otp_mac);
849 char *otp_mac_p = (char *)&otp_mac;
850 for (ret = 0; ret < 6; ++ret)
851 addr[ret] = otp_mac_p[5 - ret];
855 EXPORT_SYMBOL(bfin_get_ether_addr);