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_RX
,
313 .end
= IRQ_UART0_RX
+1,
314 .flags
= IORESOURCE_IRQ
,
317 .start
= IRQ_UART0_ERROR
,
318 .end
= IRQ_UART0_ERROR
,
319 .flags
= IORESOURCE_IRQ
,
322 .start
= CH_UART0_TX
,
324 .flags
= IORESOURCE_DMA
,
327 .start
= CH_UART0_RX
,
329 .flags
= IORESOURCE_DMA
,
333 static unsigned short bfin_uart0_peripherals
[] = {
334 P_UART0_TX
, P_UART0_RX
, 0
337 static struct platform_device bfin_uart0_device
= {
340 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
341 .resource
= bfin_uart0_resources
,
343 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
347 #ifdef CONFIG_SERIAL_BFIN_UART1
348 static struct resource bfin_uart1_resources
[] = {
352 .flags
= IORESOURCE_MEM
,
355 .start
= IRQ_UART1_RX
,
356 .end
= IRQ_UART1_RX
+1,
357 .flags
= IORESOURCE_IRQ
,
360 .start
= IRQ_UART1_ERROR
,
361 .end
= IRQ_UART1_ERROR
,
362 .flags
= IORESOURCE_IRQ
,
365 .start
= CH_UART1_TX
,
367 .flags
= IORESOURCE_DMA
,
370 .start
= CH_UART1_RX
,
372 .flags
= IORESOURCE_DMA
,
376 static unsigned short bfin_uart1_peripherals
[] = {
377 P_UART1_TX
, P_UART1_RX
, 0
380 static struct platform_device bfin_uart1_device
= {
383 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
384 .resource
= bfin_uart1_resources
,
386 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
392 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
393 #ifdef CONFIG_BFIN_SIR0
394 static struct resource bfin_sir0_resources
[] = {
398 .flags
= IORESOURCE_MEM
,
401 .start
= IRQ_UART0_RX
,
402 .end
= IRQ_UART0_RX
+1,
403 .flags
= IORESOURCE_IRQ
,
406 .start
= CH_UART0_RX
,
407 .end
= CH_UART0_RX
+1,
408 .flags
= IORESOURCE_DMA
,
412 static struct platform_device bfin_sir0_device
= {
415 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
416 .resource
= bfin_sir0_resources
,
419 #ifdef CONFIG_BFIN_SIR1
420 static struct resource bfin_sir1_resources
[] = {
424 .flags
= IORESOURCE_MEM
,
427 .start
= IRQ_UART1_RX
,
428 .end
= IRQ_UART1_RX
+1,
429 .flags
= IORESOURCE_IRQ
,
432 .start
= CH_UART1_RX
,
433 .end
= CH_UART1_RX
+1,
434 .flags
= IORESOURCE_DMA
,
438 static struct platform_device bfin_sir1_device
= {
441 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
442 .resource
= bfin_sir1_resources
,
447 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
448 static struct resource bfin_twi0_resource
[] = {
450 .start
= TWI0_REGBASE
,
452 .flags
= IORESOURCE_MEM
,
457 .flags
= IORESOURCE_IRQ
,
461 static struct platform_device i2c_bfin_twi_device
= {
462 .name
= "i2c-bfin-twi",
464 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
465 .resource
= bfin_twi0_resource
,
469 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
470 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
472 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
475 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
477 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
483 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
484 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
485 static struct resource bfin_sport0_uart_resources
[] = {
487 .start
= SPORT0_TCR1
,
488 .end
= SPORT0_MRCS3
+4,
489 .flags
= IORESOURCE_MEM
,
492 .start
= IRQ_SPORT0_RX
,
493 .end
= IRQ_SPORT0_RX
+1,
494 .flags
= IORESOURCE_IRQ
,
497 .start
= IRQ_SPORT0_ERROR
,
498 .end
= IRQ_SPORT0_ERROR
,
499 .flags
= IORESOURCE_IRQ
,
503 static unsigned short bfin_sport0_peripherals
[] = {
504 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
505 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
508 static struct platform_device bfin_sport0_uart_device
= {
509 .name
= "bfin-sport-uart",
511 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
512 .resource
= bfin_sport0_uart_resources
,
514 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
518 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
519 static struct resource bfin_sport1_uart_resources
[] = {
521 .start
= SPORT1_TCR1
,
522 .end
= SPORT1_MRCS3
+4,
523 .flags
= IORESOURCE_MEM
,
526 .start
= IRQ_SPORT1_RX
,
527 .end
= IRQ_SPORT1_RX
+1,
528 .flags
= IORESOURCE_IRQ
,
531 .start
= IRQ_SPORT1_ERROR
,
532 .end
= IRQ_SPORT1_ERROR
,
533 .flags
= IORESOURCE_IRQ
,
537 static unsigned short bfin_sport1_peripherals
[] = {
538 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
539 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
542 static struct platform_device bfin_sport1_uart_device
= {
543 .name
= "bfin-sport-uart",
545 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
546 .resource
= bfin_sport1_uart_resources
,
548 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
554 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
555 #include <linux/input.h>
556 #include <linux/gpio_keys.h>
558 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
559 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
560 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
563 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
564 .buttons
= bfin_gpio_keys_table
,
565 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
568 static struct platform_device bfin_device_gpiokeys
= {
571 .platform_data
= &bfin_gpio_keys_data
,
576 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
578 static struct bfin_sd_host bfin_sdh_data
= {
580 .irq_int0
= IRQ_RSI_INT0
,
581 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
584 static struct platform_device bf51x_sdh_device
= {
588 .platform_data
= &bfin_sdh_data
,
593 static const unsigned int cclk_vlev_datasheet
[] =
595 VRPAIR(VLEV_100
, 400000000),
596 VRPAIR(VLEV_105
, 426000000),
597 VRPAIR(VLEV_110
, 500000000),
598 VRPAIR(VLEV_115
, 533000000),
599 VRPAIR(VLEV_120
, 600000000),
602 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
603 .tuple_tab
= cclk_vlev_datasheet
,
604 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
605 .vr_settling_time
= 25 /* us */,
608 static struct platform_device bfin_dpmc
= {
611 .platform_data
= &bfin_dmpc_vreg_data
,
615 static struct platform_device
*tcm_devices
[] __initdata
= {
619 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
623 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
628 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
633 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
634 #ifdef CONFIG_SERIAL_BFIN_UART0
637 #ifdef CONFIG_SERIAL_BFIN_UART1
642 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
643 #ifdef CONFIG_BFIN_SIR0
646 #ifdef CONFIG_BFIN_SIR1
651 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
652 &i2c_bfin_twi_device
,
655 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
656 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
657 &bfin_sport0_uart_device
,
659 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
660 &bfin_sport1_uart_device
,
664 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
665 &bfin_device_gpiokeys
,
668 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
672 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
677 static int __init
tcm_init(void)
679 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
680 i2c_register_board_info(0, bfin_i2c_board_info
,
681 ARRAY_SIZE(bfin_i2c_board_info
));
682 platform_add_devices(tcm_devices
, ARRAY_SIZE(tcm_devices
));
683 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
687 arch_initcall(tcm_init
);
689 static struct platform_device
*tcm_early_devices
[] __initdata
= {
690 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
691 #ifdef CONFIG_SERIAL_BFIN_UART0
694 #ifdef CONFIG_SERIAL_BFIN_UART1
699 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
700 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
701 &bfin_sport0_uart_device
,
703 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
704 &bfin_sport1_uart_device
,
709 void __init
native_machine_early_platform_add_devices(void)
711 printk(KERN_INFO
"register early platform devices\n");
712 early_platform_add_devices(tcm_early_devices
,
713 ARRAY_SIZE(tcm_early_devices
));
716 void native_machine_restart(char *cmd
)
718 /* workaround reboot hang when booting from SPI */
719 if ((bfin_read_SYSCR() & 0x7) == 0x3)
720 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
723 void bfin_get_ether_addr(char *addr
)
725 random_ether_addr(addr
);
726 printk(KERN_WARNING
"%s:%s: Setting Ethernet MAC to a random one\n", __FILE__
, __func__
);
728 EXPORT_SYMBOL(bfin_get_ether_addr
);