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 IS_ENABLED(CONFIG_MTD_PHYSMAP)
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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
77 static struct platform_device rtc_device
= {
83 #if IS_ENABLED(CONFIG_BFIN_MAC)
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 IS_ENABLED(CONFIG_MTD_M25P80)
117 static struct mtd_partition bfin_spi_flash_partitions
[] = {
119 .name
= "bootloader(spi)",
122 .mask_flags
= MTD_CAP_ROM
124 .name
= "linux kernel(spi)",
125 .size
= MTDPART_SIZ_FULL
,
126 .offset
= MTDPART_OFS_APPEND
,
130 static struct flash_platform_data bfin_spi_flash_data
= {
132 .parts
= bfin_spi_flash_partitions
,
133 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
137 /* SPI flash chip (m25p64) */
138 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
139 .enable_dma
= 0, /* use dma transfer with this chip*/
143 #if IS_ENABLED(CONFIG_MMC_SPI)
144 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
149 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
150 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
152 .vref_delay_usecs
= 50, /* internal, no capacitor */
155 .pressure_max
= 1000,
157 .stopacq_polarity
= 1,
158 .first_conversion_delay
= 3,
159 .acquisition_time
= 1,
161 .pen_down_acc_interval
= 1,
165 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
166 #if IS_ENABLED(CONFIG_MTD_M25P80)
168 /* the modalias must be the same as spi device driver name */
169 .modalias
= "m25p80", /* Name of spi_driver for this device */
170 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
171 .bus_num
= 0, /* Framework bus number */
172 .chip_select
= 2, /* SPI0_SSEL2 */
173 .platform_data
= &bfin_spi_flash_data
,
174 .controller_data
= &spi_flash_chip_info
,
179 #if IS_ENABLED(CONFIG_MMC_SPI)
181 .modalias
= "mmc_spi",
182 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
185 .controller_data
= &mmc_spi_chip_info
,
189 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
191 .modalias
= "ad7877",
192 .platform_data
= &bfin_ad7877_ts_info
,
194 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
199 #if IS_ENABLED(CONFIG_SND_SOC_WM8731) \
200 && defined(CONFIG_SND_SOC_WM8731_SPI)
202 .modalias
= "wm8731",
203 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
209 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
211 .modalias
= "spidev",
212 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
217 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
219 .modalias
= "bfin-lq035q1-spi",
220 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
223 .mode
= SPI_CPHA
| SPI_CPOL
,
228 /* SPI controller data */
229 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
231 static struct bfin5xx_spi_master bfin_spi0_info
= {
233 .enable_dma
= 1, /* master has the ability to do dma transfer */
234 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
237 static struct resource bfin_spi0_resource
[] = {
239 .start
= SPI0_REGBASE
,
240 .end
= SPI0_REGBASE
+ 0xFF,
241 .flags
= IORESOURCE_MEM
,
246 .flags
= IORESOURCE_DMA
,
251 .flags
= IORESOURCE_IRQ
,
255 static struct platform_device bfin_spi0_device
= {
257 .id
= 0, /* Bus number */
258 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
259 .resource
= bfin_spi0_resource
,
261 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
266 static struct bfin5xx_spi_master bfin_spi1_info
= {
268 .enable_dma
= 1, /* master has the ability to do dma transfer */
269 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
272 static struct resource bfin_spi1_resource
[] = {
274 .start
= SPI1_REGBASE
,
275 .end
= SPI1_REGBASE
+ 0xFF,
276 .flags
= IORESOURCE_MEM
,
281 .flags
= IORESOURCE_DMA
,
286 .flags
= IORESOURCE_IRQ
,
290 static struct platform_device bfin_spi1_device
= {
292 .id
= 1, /* Bus number */
293 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
294 .resource
= bfin_spi1_resource
,
296 .platform_data
= &bfin_spi1_info
, /* Passed to driver */
299 #endif /* spi master and devices */
301 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
302 #ifdef CONFIG_SERIAL_BFIN_UART0
303 static struct resource bfin_uart0_resources
[] = {
307 .flags
= IORESOURCE_MEM
,
310 .start
= IRQ_UART0_TX
,
312 .flags
= IORESOURCE_IRQ
,
315 .start
= IRQ_UART0_RX
,
317 .flags
= IORESOURCE_IRQ
,
320 .start
= IRQ_UART0_ERROR
,
321 .end
= IRQ_UART0_ERROR
,
322 .flags
= IORESOURCE_IRQ
,
325 .start
= CH_UART0_TX
,
327 .flags
= IORESOURCE_DMA
,
330 .start
= CH_UART0_RX
,
332 .flags
= IORESOURCE_DMA
,
336 static unsigned short bfin_uart0_peripherals
[] = {
337 P_UART0_TX
, P_UART0_RX
, 0
340 static struct platform_device bfin_uart0_device
= {
343 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
344 .resource
= bfin_uart0_resources
,
346 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
350 #ifdef CONFIG_SERIAL_BFIN_UART1
351 static struct resource bfin_uart1_resources
[] = {
355 .flags
= IORESOURCE_MEM
,
358 .start
= IRQ_UART1_TX
,
360 .flags
= IORESOURCE_IRQ
,
363 .start
= IRQ_UART1_RX
,
365 .flags
= IORESOURCE_IRQ
,
368 .start
= IRQ_UART1_ERROR
,
369 .end
= IRQ_UART1_ERROR
,
370 .flags
= IORESOURCE_IRQ
,
373 .start
= CH_UART1_TX
,
375 .flags
= IORESOURCE_DMA
,
378 .start
= CH_UART1_RX
,
380 .flags
= IORESOURCE_DMA
,
384 static unsigned short bfin_uart1_peripherals
[] = {
385 P_UART1_TX
, P_UART1_RX
, 0
388 static struct platform_device bfin_uart1_device
= {
391 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
392 .resource
= bfin_uart1_resources
,
394 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
400 #if IS_ENABLED(CONFIG_BFIN_SIR)
401 #ifdef CONFIG_BFIN_SIR0
402 static struct resource bfin_sir0_resources
[] = {
406 .flags
= IORESOURCE_MEM
,
409 .start
= IRQ_UART0_RX
,
410 .end
= IRQ_UART0_RX
+1,
411 .flags
= IORESOURCE_IRQ
,
414 .start
= CH_UART0_RX
,
415 .end
= CH_UART0_RX
+1,
416 .flags
= IORESOURCE_DMA
,
420 static struct platform_device bfin_sir0_device
= {
423 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
424 .resource
= bfin_sir0_resources
,
427 #ifdef CONFIG_BFIN_SIR1
428 static struct resource bfin_sir1_resources
[] = {
432 .flags
= IORESOURCE_MEM
,
435 .start
= IRQ_UART1_RX
,
436 .end
= IRQ_UART1_RX
+1,
437 .flags
= IORESOURCE_IRQ
,
440 .start
= CH_UART1_RX
,
441 .end
= CH_UART1_RX
+1,
442 .flags
= IORESOURCE_DMA
,
446 static struct platform_device bfin_sir1_device
= {
449 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
450 .resource
= bfin_sir1_resources
,
455 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
456 static const u16 bfin_twi0_pins
[] = {P_TWI0_SCL
, P_TWI0_SDA
, 0};
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
,
477 .platform_data
= &bfin_twi0_pins
,
482 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
483 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
485 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
488 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
490 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
496 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
497 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
498 static struct resource bfin_sport0_uart_resources
[] = {
500 .start
= SPORT0_TCR1
,
501 .end
= SPORT0_MRCS3
+4,
502 .flags
= IORESOURCE_MEM
,
505 .start
= IRQ_SPORT0_RX
,
506 .end
= IRQ_SPORT0_RX
+1,
507 .flags
= IORESOURCE_IRQ
,
510 .start
= IRQ_SPORT0_ERROR
,
511 .end
= IRQ_SPORT0_ERROR
,
512 .flags
= IORESOURCE_IRQ
,
516 static unsigned short bfin_sport0_peripherals
[] = {
517 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
518 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
521 static struct platform_device bfin_sport0_uart_device
= {
522 .name
= "bfin-sport-uart",
524 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
525 .resource
= bfin_sport0_uart_resources
,
527 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
531 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
532 static struct resource bfin_sport1_uart_resources
[] = {
534 .start
= SPORT1_TCR1
,
535 .end
= SPORT1_MRCS3
+4,
536 .flags
= IORESOURCE_MEM
,
539 .start
= IRQ_SPORT1_RX
,
540 .end
= IRQ_SPORT1_RX
+1,
541 .flags
= IORESOURCE_IRQ
,
544 .start
= IRQ_SPORT1_ERROR
,
545 .end
= IRQ_SPORT1_ERROR
,
546 .flags
= IORESOURCE_IRQ
,
550 static unsigned short bfin_sport1_peripherals
[] = {
551 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
552 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
555 static struct platform_device bfin_sport1_uart_device
= {
556 .name
= "bfin-sport-uart",
558 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
559 .resource
= bfin_sport1_uart_resources
,
561 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
567 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
568 #include <linux/input.h>
569 #include <linux/gpio_keys.h>
571 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
572 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
573 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
576 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
577 .buttons
= bfin_gpio_keys_table
,
578 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
581 static struct platform_device bfin_device_gpiokeys
= {
584 .platform_data
= &bfin_gpio_keys_data
,
589 #if IS_ENABLED(CONFIG_SDH_BFIN)
591 static struct bfin_sd_host bfin_sdh_data
= {
593 .irq_int0
= IRQ_RSI_INT0
,
594 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
597 static struct platform_device bf51x_sdh_device
= {
601 .platform_data
= &bfin_sdh_data
,
606 static const unsigned int cclk_vlev_datasheet
[] =
608 VRPAIR(VLEV_100
, 400000000),
609 VRPAIR(VLEV_105
, 426000000),
610 VRPAIR(VLEV_110
, 500000000),
611 VRPAIR(VLEV_115
, 533000000),
612 VRPAIR(VLEV_120
, 600000000),
615 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
616 .tuple_tab
= cclk_vlev_datasheet
,
617 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
618 .vr_settling_time
= 25 /* us */,
621 static struct platform_device bfin_dpmc
= {
624 .platform_data
= &bfin_dmpc_vreg_data
,
628 static struct platform_device
*tcm_devices
[] __initdata
= {
632 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
636 #if IS_ENABLED(CONFIG_BFIN_MAC)
641 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
646 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
647 #ifdef CONFIG_SERIAL_BFIN_UART0
650 #ifdef CONFIG_SERIAL_BFIN_UART1
655 #if IS_ENABLED(CONFIG_BFIN_SIR)
656 #ifdef CONFIG_BFIN_SIR0
659 #ifdef CONFIG_BFIN_SIR1
664 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
665 &i2c_bfin_twi_device
,
668 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
669 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
670 &bfin_sport0_uart_device
,
672 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
673 &bfin_sport1_uart_device
,
677 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
678 &bfin_device_gpiokeys
,
681 #if IS_ENABLED(CONFIG_SDH_BFIN)
685 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
690 static int __init
tcm_init(void)
692 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
693 i2c_register_board_info(0, bfin_i2c_board_info
,
694 ARRAY_SIZE(bfin_i2c_board_info
));
695 platform_add_devices(tcm_devices
, ARRAY_SIZE(tcm_devices
));
696 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
700 arch_initcall(tcm_init
);
702 static struct platform_device
*tcm_early_devices
[] __initdata
= {
703 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
704 #ifdef CONFIG_SERIAL_BFIN_UART0
707 #ifdef CONFIG_SERIAL_BFIN_UART1
712 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
713 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
714 &bfin_sport0_uart_device
,
716 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
717 &bfin_sport1_uart_device
,
722 void __init
native_machine_early_platform_add_devices(void)
724 printk(KERN_INFO
"register early platform devices\n");
725 early_platform_add_devices(tcm_early_devices
,
726 ARRAY_SIZE(tcm_early_devices
));
729 void native_machine_restart(char *cmd
)
731 /* workaround reboot hang when booting from SPI */
732 if ((bfin_read_SYSCR() & 0x7) == 0x3)
733 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
736 int bfin_get_ether_addr(char *addr
)
740 EXPORT_SYMBOL(bfin_get_ether_addr
);