2 * Copyright 2004-2009 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/etherdevice.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>
18 #include <linux/i2c.h>
19 #include <linux/irq.h>
20 #include <linux/interrupt.h>
22 #include <asm/bfin5xx_spi.h>
23 #include <asm/reboot.h>
24 #include <asm/portmux.h>
26 #include <asm/bfin_sdh.h>
27 #include <linux/spi/ad7877.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name
[] = "Bluetechnix TCM-BF518";
36 * Driver needs to know address, irq and flag pin.
39 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
40 static struct mtd_partition tcm_partitions
[] = {
42 .name
= "bootloader(nor)",
49 .offset
= MTDPART_OFS_APPEND
,
53 static struct physmap_flash_data tcm_flash_data
= {
55 .parts
= tcm_partitions
,
56 .nr_parts
= ARRAY_SIZE(tcm_partitions
),
59 static struct resource tcm_flash_resource
= {
62 .flags
= IORESOURCE_MEM
,
65 static struct platform_device tcm_flash_device
= {
66 .name
= "physmap-flash",
69 .platform_data
= &tcm_flash_data
,
72 .resource
= &tcm_flash_resource
,
76 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
77 static struct platform_device rtc_device
= {
83 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
84 #include <linux/bfin_mac.h>
85 static const unsigned short bfin_mac_peripherals
[] = P_MII0
;
87 static struct bfin_phydev_platform_data bfin_phydev_data
[] = {
90 .irq
= IRQ_MAC_PHYINT
,
94 static struct bfin_mii_bus_platform_data bfin_mii_bus_data
= {
96 .phydev_data
= bfin_phydev_data
,
97 .phy_mode
= PHY_INTERFACE_MODE_MII
,
98 .mac_peripherals
= bfin_mac_peripherals
,
101 static struct platform_device bfin_mii_bus
= {
102 .name
= "bfin_mii_bus",
104 .platform_data
= &bfin_mii_bus_data
,
108 static struct platform_device bfin_mac_device
= {
111 .platform_data
= &bfin_mii_bus
,
116 #if defined(CONFIG_MTD_M25P80) \
117 || defined(CONFIG_MTD_M25P80_MODULE)
118 static struct mtd_partition bfin_spi_flash_partitions
[] = {
120 .name
= "bootloader(spi)",
123 .mask_flags
= MTD_CAP_ROM
125 .name
= "linux kernel(spi)",
126 .size
= MTDPART_SIZ_FULL
,
127 .offset
= MTDPART_OFS_APPEND
,
131 static struct flash_platform_data bfin_spi_flash_data
= {
133 .parts
= bfin_spi_flash_partitions
,
134 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
138 /* SPI flash chip (m25p64) */
139 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
140 .enable_dma
= 0, /* use dma transfer with this chip*/
144 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
145 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
150 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
151 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
153 .vref_delay_usecs
= 50, /* internal, no capacitor */
156 .pressure_max
= 1000,
158 .stopacq_polarity
= 1,
159 .first_conversion_delay
= 3,
160 .acquisition_time
= 1,
162 .pen_down_acc_interval
= 1,
166 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
167 #if defined(CONFIG_MTD_M25P80) \
168 || defined(CONFIG_MTD_M25P80_MODULE)
170 /* the modalias must be the same as spi device driver name */
171 .modalias
= "m25p80", /* Name of spi_driver for this device */
172 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
173 .bus_num
= 0, /* Framework bus number */
174 .chip_select
= 2, /* SPI0_SSEL2 */
175 .platform_data
= &bfin_spi_flash_data
,
176 .controller_data
= &spi_flash_chip_info
,
181 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
183 .modalias
= "mmc_spi",
184 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
187 .controller_data
= &mmc_spi_chip_info
,
191 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
193 .modalias
= "ad7877",
194 .platform_data
= &bfin_ad7877_ts_info
,
196 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
201 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
202 && defined(CONFIG_SND_SOC_WM8731_SPI)
204 .modalias
= "wm8731",
205 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
211 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
213 .modalias
= "spidev",
214 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
219 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
221 .modalias
= "bfin-lq035q1-spi",
222 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
225 .mode
= SPI_CPHA
| SPI_CPOL
,
230 /* SPI controller data */
231 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
233 static struct bfin5xx_spi_master bfin_spi0_info
= {
235 .enable_dma
= 1, /* master has the ability to do dma transfer */
236 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
239 static struct resource bfin_spi0_resource
[] = {
241 .start
= SPI0_REGBASE
,
242 .end
= SPI0_REGBASE
+ 0xFF,
243 .flags
= IORESOURCE_MEM
,
248 .flags
= IORESOURCE_DMA
,
253 .flags
= IORESOURCE_IRQ
,
257 static struct platform_device bfin_spi0_device
= {
259 .id
= 0, /* Bus number */
260 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
261 .resource
= bfin_spi0_resource
,
263 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
268 static struct bfin5xx_spi_master bfin_spi1_info
= {
270 .enable_dma
= 1, /* master has the ability to do dma transfer */
271 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
274 static struct resource bfin_spi1_resource
[] = {
276 .start
= SPI1_REGBASE
,
277 .end
= SPI1_REGBASE
+ 0xFF,
278 .flags
= IORESOURCE_MEM
,
283 .flags
= IORESOURCE_DMA
,
288 .flags
= IORESOURCE_IRQ
,
292 static struct platform_device bfin_spi1_device
= {
294 .id
= 1, /* Bus number */
295 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
296 .resource
= bfin_spi1_resource
,
298 .platform_data
= &bfin_spi1_info
, /* Passed to driver */
301 #endif /* spi master and devices */
303 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
304 #ifdef CONFIG_SERIAL_BFIN_UART0
305 static struct resource bfin_uart0_resources
[] = {
309 .flags
= IORESOURCE_MEM
,
312 .start
= IRQ_UART0_TX
,
314 .flags
= IORESOURCE_IRQ
,
317 .start
= IRQ_UART0_RX
,
319 .flags
= IORESOURCE_IRQ
,
322 .start
= IRQ_UART0_ERROR
,
323 .end
= IRQ_UART0_ERROR
,
324 .flags
= IORESOURCE_IRQ
,
327 .start
= CH_UART0_TX
,
329 .flags
= IORESOURCE_DMA
,
332 .start
= CH_UART0_RX
,
334 .flags
= IORESOURCE_DMA
,
338 static unsigned short bfin_uart0_peripherals
[] = {
339 P_UART0_TX
, P_UART0_RX
, 0
342 static struct platform_device bfin_uart0_device
= {
345 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
346 .resource
= bfin_uart0_resources
,
348 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
352 #ifdef CONFIG_SERIAL_BFIN_UART1
353 static struct resource bfin_uart1_resources
[] = {
357 .flags
= IORESOURCE_MEM
,
360 .start
= IRQ_UART1_TX
,
362 .flags
= IORESOURCE_IRQ
,
365 .start
= IRQ_UART1_RX
,
367 .flags
= IORESOURCE_IRQ
,
370 .start
= IRQ_UART1_ERROR
,
371 .end
= IRQ_UART1_ERROR
,
372 .flags
= IORESOURCE_IRQ
,
375 .start
= CH_UART1_TX
,
377 .flags
= IORESOURCE_DMA
,
380 .start
= CH_UART1_RX
,
382 .flags
= IORESOURCE_DMA
,
386 static unsigned short bfin_uart1_peripherals
[] = {
387 P_UART1_TX
, P_UART1_RX
, 0
390 static struct platform_device bfin_uart1_device
= {
393 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
394 .resource
= bfin_uart1_resources
,
396 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
402 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
403 #ifdef CONFIG_BFIN_SIR0
404 static struct resource bfin_sir0_resources
[] = {
408 .flags
= IORESOURCE_MEM
,
411 .start
= IRQ_UART0_RX
,
412 .end
= IRQ_UART0_RX
+1,
413 .flags
= IORESOURCE_IRQ
,
416 .start
= CH_UART0_RX
,
417 .end
= CH_UART0_RX
+1,
418 .flags
= IORESOURCE_DMA
,
422 static struct platform_device bfin_sir0_device
= {
425 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
426 .resource
= bfin_sir0_resources
,
429 #ifdef CONFIG_BFIN_SIR1
430 static struct resource bfin_sir1_resources
[] = {
434 .flags
= IORESOURCE_MEM
,
437 .start
= IRQ_UART1_RX
,
438 .end
= IRQ_UART1_RX
+1,
439 .flags
= IORESOURCE_IRQ
,
442 .start
= CH_UART1_RX
,
443 .end
= CH_UART1_RX
+1,
444 .flags
= IORESOURCE_DMA
,
448 static struct platform_device bfin_sir1_device
= {
451 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
452 .resource
= bfin_sir1_resources
,
457 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
458 static struct resource bfin_twi0_resource
[] = {
460 .start
= TWI0_REGBASE
,
462 .flags
= IORESOURCE_MEM
,
467 .flags
= IORESOURCE_IRQ
,
471 static struct platform_device i2c_bfin_twi_device
= {
472 .name
= "i2c-bfin-twi",
474 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
475 .resource
= bfin_twi0_resource
,
479 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
480 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
482 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
485 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
487 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
493 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
494 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
495 static struct resource bfin_sport0_uart_resources
[] = {
497 .start
= SPORT0_TCR1
,
498 .end
= SPORT0_MRCS3
+4,
499 .flags
= IORESOURCE_MEM
,
502 .start
= IRQ_SPORT0_RX
,
503 .end
= IRQ_SPORT0_RX
+1,
504 .flags
= IORESOURCE_IRQ
,
507 .start
= IRQ_SPORT0_ERROR
,
508 .end
= IRQ_SPORT0_ERROR
,
509 .flags
= IORESOURCE_IRQ
,
513 static unsigned short bfin_sport0_peripherals
[] = {
514 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
515 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
518 static struct platform_device bfin_sport0_uart_device
= {
519 .name
= "bfin-sport-uart",
521 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
522 .resource
= bfin_sport0_uart_resources
,
524 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
528 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
529 static struct resource bfin_sport1_uart_resources
[] = {
531 .start
= SPORT1_TCR1
,
532 .end
= SPORT1_MRCS3
+4,
533 .flags
= IORESOURCE_MEM
,
536 .start
= IRQ_SPORT1_RX
,
537 .end
= IRQ_SPORT1_RX
+1,
538 .flags
= IORESOURCE_IRQ
,
541 .start
= IRQ_SPORT1_ERROR
,
542 .end
= IRQ_SPORT1_ERROR
,
543 .flags
= IORESOURCE_IRQ
,
547 static unsigned short bfin_sport1_peripherals
[] = {
548 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
549 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
552 static struct platform_device bfin_sport1_uart_device
= {
553 .name
= "bfin-sport-uart",
555 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
556 .resource
= bfin_sport1_uart_resources
,
558 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
564 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
565 #include <linux/input.h>
566 #include <linux/gpio_keys.h>
568 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
569 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
570 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
573 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
574 .buttons
= bfin_gpio_keys_table
,
575 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
578 static struct platform_device bfin_device_gpiokeys
= {
581 .platform_data
= &bfin_gpio_keys_data
,
586 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
588 static struct bfin_sd_host bfin_sdh_data
= {
590 .irq_int0
= IRQ_RSI_INT0
,
591 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
594 static struct platform_device bf51x_sdh_device
= {
598 .platform_data
= &bfin_sdh_data
,
603 static const unsigned int cclk_vlev_datasheet
[] =
605 VRPAIR(VLEV_100
, 400000000),
606 VRPAIR(VLEV_105
, 426000000),
607 VRPAIR(VLEV_110
, 500000000),
608 VRPAIR(VLEV_115
, 533000000),
609 VRPAIR(VLEV_120
, 600000000),
612 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
613 .tuple_tab
= cclk_vlev_datasheet
,
614 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
615 .vr_settling_time
= 25 /* us */,
618 static struct platform_device bfin_dpmc
= {
621 .platform_data
= &bfin_dmpc_vreg_data
,
625 static struct platform_device
*tcm_devices
[] __initdata
= {
629 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
633 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
638 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
643 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
644 #ifdef CONFIG_SERIAL_BFIN_UART0
647 #ifdef CONFIG_SERIAL_BFIN_UART1
652 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
653 #ifdef CONFIG_BFIN_SIR0
656 #ifdef CONFIG_BFIN_SIR1
661 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
662 &i2c_bfin_twi_device
,
665 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
666 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
667 &bfin_sport0_uart_device
,
669 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
670 &bfin_sport1_uart_device
,
674 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
675 &bfin_device_gpiokeys
,
678 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
682 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
687 static int __init
tcm_init(void)
689 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
690 i2c_register_board_info(0, bfin_i2c_board_info
,
691 ARRAY_SIZE(bfin_i2c_board_info
));
692 platform_add_devices(tcm_devices
, ARRAY_SIZE(tcm_devices
));
693 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
697 arch_initcall(tcm_init
);
699 static struct platform_device
*tcm_early_devices
[] __initdata
= {
700 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
701 #ifdef CONFIG_SERIAL_BFIN_UART0
704 #ifdef CONFIG_SERIAL_BFIN_UART1
709 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
710 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
711 &bfin_sport0_uart_device
,
713 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
714 &bfin_sport1_uart_device
,
719 void __init
native_machine_early_platform_add_devices(void)
721 printk(KERN_INFO
"register early platform devices\n");
722 early_platform_add_devices(tcm_early_devices
,
723 ARRAY_SIZE(tcm_early_devices
));
726 void native_machine_restart(char *cmd
)
728 /* workaround reboot hang when booting from SPI */
729 if ((bfin_read_SYSCR() & 0x7) == 0x3)
730 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
733 void bfin_get_ether_addr(char *addr
)
735 random_ether_addr(addr
);
736 printk(KERN_WARNING
"%s:%s: Setting Ethernet MAC to a random one\n", __FILE__
, __func__
);
738 EXPORT_SYMBOL(bfin_get_ether_addr
);