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 <linux/platform_data/bfin_rotary.h>
671 static const u16 per_cnt
[] = {
678 static struct bfin_rotary_platform_data bfin_rotary_data
= {
679 /*.rotary_up_key = KEY_UP,*/
680 /*.rotary_down_key = KEY_DOWN,*/
681 .rotary_rel_code
= REL_WHEEL
,
682 .rotary_button_key
= KEY_ENTER
,
683 .debounce
= 10, /* 0..17 */
684 .mode
= ROT_QUAD_ENC
| ROT_DEBE
,
689 static struct resource bfin_rotary_resources
[] = {
692 .end
= CNT_CONFIG
+ 0xff,
693 .flags
= IORESOURCE_MEM
,
698 .flags
= IORESOURCE_IRQ
,
702 static struct platform_device bfin_rotary_device
= {
703 .name
= "bfin-rotary",
705 .num_resources
= ARRAY_SIZE(bfin_rotary_resources
),
706 .resource
= bfin_rotary_resources
,
708 .platform_data
= &bfin_rotary_data
,
713 static const unsigned int cclk_vlev_datasheet
[] = {
714 VRPAIR(VLEV_100
, 400000000),
715 VRPAIR(VLEV_105
, 426000000),
716 VRPAIR(VLEV_110
, 500000000),
717 VRPAIR(VLEV_115
, 533000000),
718 VRPAIR(VLEV_120
, 600000000),
721 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
722 .tuple_tab
= cclk_vlev_datasheet
,
723 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
724 .vr_settling_time
= 25 /* us */,
727 static struct platform_device bfin_dpmc
= {
730 .platform_data
= &bfin_dmpc_vreg_data
,
734 static struct platform_device
*stamp_devices
[] __initdata
= {
738 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
742 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
746 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
750 #if IS_ENABLED(CONFIG_BFIN_MAC)
755 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
759 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
760 #ifdef CONFIG_SERIAL_BFIN_UART0
763 #ifdef CONFIG_SERIAL_BFIN_UART1
768 #if IS_ENABLED(CONFIG_FB_BFIN_RA158Z)
769 &bf52x_ra158z_device
,
772 #if IS_ENABLED(CONFIG_BFIN_SIR)
773 #ifdef CONFIG_BFIN_SIR0
776 #ifdef CONFIG_BFIN_SIR1
781 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
782 &i2c_bfin_twi_device
,
785 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
786 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
787 &bfin_sport0_uart_device
,
789 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
790 &bfin_sport1_uart_device
,
794 #if IS_ENABLED(CONFIG_INPUT_BFIN_ROTARY)
798 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
799 &ad7160eval_flash_device
,
802 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
807 static int __init
ad7160eval_init(void)
809 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
810 i2c_register_board_info(0, bfin_i2c_board_info
,
811 ARRAY_SIZE(bfin_i2c_board_info
));
812 platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
813 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
817 arch_initcall(ad7160eval_init
);
819 static struct platform_device
*ad7160eval_early_devices
[] __initdata
= {
820 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
821 #ifdef CONFIG_SERIAL_BFIN_UART0
824 #ifdef CONFIG_SERIAL_BFIN_UART1
829 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
830 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
831 &bfin_sport0_uart_device
,
833 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
834 &bfin_sport1_uart_device
,
839 void __init
native_machine_early_platform_add_devices(void)
841 printk(KERN_INFO
"register early platform devices\n");
842 early_platform_add_devices(ad7160eval_early_devices
,
843 ARRAY_SIZE(ad7160eval_early_devices
));
846 void native_machine_restart(char *cmd
)
848 /* workaround reboot hang when booting from SPI */
849 if ((bfin_read_SYSCR() & 0x7) == 0x3)
850 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
853 int bfin_get_ether_addr(char *addr
)
855 /* the MAC is stored in OTP memory page 0xDF */
858 u32 (*otp_read
)(u32 page
, u32 flags
, u64
*page_content
) = (void *)0xEF00001A;
860 ret
= otp_read(0xDF, 0x00, &otp_mac
);
862 char *otp_mac_p
= (char *)&otp_mac
;
863 for (ret
= 0; ret
< 6; ++ret
)
864 addr
[ret
] = otp_mac_p
[5 - ret
];
868 EXPORT_SYMBOL(bfin_get_ether_addr
);