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/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/spi/spi.h>
15 #include <linux/spi/flash.h>
16 #include <linux/spi/mmc_spi.h>
17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
18 #include <linux/usb/isp1362.h>
20 #include <linux/irq.h>
21 #include <linux/i2c.h>
23 #include <asm/bfin5xx_spi.h>
24 #include <asm/reboot.h>
25 #include <asm/portmux.h>
29 * Name the Board for the /proc/cpuinfo
31 const char bfin_board_name[] = "ADI BF533-STAMP";
33 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
34 static struct platform_device rtc_device = {
41 * Driver needs to know address, irq and flag pin.
43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44 #include <linux/smc91x.h>
46 static struct smc91x_platdata smc91x_info = {
47 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
48 .leda = RPC_LED_100_10,
49 .ledb = RPC_LED_TX_RX,
52 static struct resource smc91x_resources[] = {
54 .name = "smc91x-regs",
56 .end = 0x20300300 + 16,
57 .flags = IORESOURCE_MEM,
61 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
65 static struct platform_device smc91x_device = {
68 .num_resources = ARRAY_SIZE(smc91x_resources),
69 .resource = smc91x_resources,
71 .platform_data = &smc91x_info,
76 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
77 static struct resource net2272_bfin_resources[] = {
80 .end = 0x20300000 + 0x100,
81 .flags = IORESOURCE_MEM,
84 .flags = IORESOURCE_BUS,
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
92 static struct platform_device net2272_bfin_device = {
95 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
96 .resource = net2272_bfin_resources,
100 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
101 static struct mtd_partition stamp_partitions[] = {
103 .name = "bootloader(nor)",
107 .name = "linux kernel(nor)",
109 .offset = MTDPART_OFS_APPEND,
111 .name = "file system(nor)",
112 .size = MTDPART_SIZ_FULL,
113 .offset = MTDPART_OFS_APPEND,
117 static struct physmap_flash_data stamp_flash_data = {
119 .parts = stamp_partitions,
120 .nr_parts = ARRAY_SIZE(stamp_partitions),
123 static struct resource stamp_flash_resource[] = {
128 .flags = IORESOURCE_MEM,
130 .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
131 .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
132 .flags = IORESOURCE_MEM,
135 .flags = IORESOURCE_IRQ,
139 static struct platform_device stamp_flash_device = {
140 .name = "bfin-async-flash",
143 .platform_data = &stamp_flash_data,
145 .num_resources = ARRAY_SIZE(stamp_flash_resource),
146 .resource = stamp_flash_resource,
150 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
151 static struct mtd_partition bfin_spi_flash_partitions[] = {
153 .name = "bootloader(spi)",
156 .mask_flags = MTD_CAP_ROM
158 .name = "linux kernel(spi)",
160 .offset = MTDPART_OFS_APPEND,
162 .name = "file system(spi)",
163 .size = MTDPART_SIZ_FULL,
164 .offset = MTDPART_OFS_APPEND,
168 static struct flash_platform_data bfin_spi_flash_data = {
170 .parts = bfin_spi_flash_partitions,
171 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
175 /* SPI flash chip (m25p64) */
176 static struct bfin5xx_spi_chip spi_flash_chip_info = {
177 .enable_dma = 0, /* use dma transfer with this chip*/
181 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
182 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
183 static int bfin_mmc_spi_init(struct device *dev,
184 irqreturn_t (*detect_int)(int, void *), void *data)
186 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
187 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
188 "mmc-spi-detect", data);
191 static void bfin_mmc_spi_exit(struct device *dev, void *data)
193 free_irq(MMC_SPI_CARD_DETECT_INT, data);
196 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
197 .init = bfin_mmc_spi_init,
198 .exit = bfin_mmc_spi_exit,
199 .detect_delay = 100, /* msecs */
202 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
208 static struct spi_board_info bfin_spi_board_info[] __initdata = {
209 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
211 /* the modalias must be the same as spi device driver name */
212 .modalias = "m25p80", /* Name of spi_driver for this device */
213 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
214 .bus_num = 0, /* Framework bus number */
215 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
216 .platform_data = &bfin_spi_flash_data,
217 .controller_data = &spi_flash_chip_info,
222 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
224 .modalias = "ad183x",
225 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
228 .platform_data = "ad1836", /* only includes chip name for the moment */
233 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
235 .modalias = "spidev",
236 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
241 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
243 .modalias = "mmc_spi",
244 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
247 .platform_data = &bfin_mmc_spi_pdata,
248 .controller_data = &mmc_spi_chip_info,
254 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
256 static struct resource bfin_spi0_resource[] = {
258 .start = SPI0_REGBASE,
259 .end = SPI0_REGBASE + 0xFF,
260 .flags = IORESOURCE_MEM,
265 .flags = IORESOURCE_DMA,
270 .flags = IORESOURCE_IRQ,
274 /* SPI controller data */
275 static struct bfin5xx_spi_master bfin_spi0_info = {
277 .enable_dma = 1, /* master has the ability to do dma transfer */
278 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
281 static struct platform_device bfin_spi0_device = {
283 .id = 0, /* Bus number */
284 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
285 .resource = bfin_spi0_resource,
287 .platform_data = &bfin_spi0_info, /* Passed to driver */
290 #endif /* spi master and devices */
292 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
293 #ifdef CONFIG_SERIAL_BFIN_UART0
294 static struct resource bfin_uart0_resources[] = {
296 .start = BFIN_UART_THR,
297 .end = BFIN_UART_GCTL+2,
298 .flags = IORESOURCE_MEM,
301 .start = IRQ_UART0_TX,
303 .flags = IORESOURCE_IRQ,
306 .start = IRQ_UART0_RX,
308 .flags = IORESOURCE_IRQ,
311 .start = IRQ_UART0_ERROR,
312 .end = IRQ_UART0_ERROR,
313 .flags = IORESOURCE_IRQ,
316 .start = CH_UART0_TX,
318 .flags = IORESOURCE_DMA,
321 .start = CH_UART0_RX,
323 .flags = IORESOURCE_DMA,
327 static unsigned short bfin_uart0_peripherals[] = {
328 P_UART0_TX, P_UART0_RX, 0
331 static struct platform_device bfin_uart0_device = {
334 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
335 .resource = bfin_uart0_resources,
337 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
343 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
344 #ifdef CONFIG_BFIN_SIR0
345 static struct resource bfin_sir0_resources[] = {
349 .flags = IORESOURCE_MEM,
352 .start = IRQ_UART0_RX,
353 .end = IRQ_UART0_RX+1,
354 .flags = IORESOURCE_IRQ,
357 .start = CH_UART0_RX,
358 .end = CH_UART0_RX+1,
359 .flags = IORESOURCE_DMA,
363 static struct platform_device bfin_sir0_device = {
366 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
367 .resource = bfin_sir0_resources,
372 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
373 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
374 static struct resource bfin_sport0_uart_resources[] = {
376 .start = SPORT0_TCR1,
377 .end = SPORT0_MRCS3+4,
378 .flags = IORESOURCE_MEM,
381 .start = IRQ_SPORT0_RX,
382 .end = IRQ_SPORT0_RX+1,
383 .flags = IORESOURCE_IRQ,
386 .start = IRQ_SPORT0_ERROR,
387 .end = IRQ_SPORT0_ERROR,
388 .flags = IORESOURCE_IRQ,
392 static unsigned short bfin_sport0_peripherals[] = {
393 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
394 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
397 static struct platform_device bfin_sport0_uart_device = {
398 .name = "bfin-sport-uart",
400 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
401 .resource = bfin_sport0_uart_resources,
403 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
407 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
408 static struct resource bfin_sport1_uart_resources[] = {
410 .start = SPORT1_TCR1,
411 .end = SPORT1_MRCS3+4,
412 .flags = IORESOURCE_MEM,
415 .start = IRQ_SPORT1_RX,
416 .end = IRQ_SPORT1_RX+1,
417 .flags = IORESOURCE_IRQ,
420 .start = IRQ_SPORT1_ERROR,
421 .end = IRQ_SPORT1_ERROR,
422 .flags = IORESOURCE_IRQ,
426 static unsigned short bfin_sport1_peripherals[] = {
427 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
428 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
431 static struct platform_device bfin_sport1_uart_device = {
432 .name = "bfin-sport-uart",
434 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
435 .resource = bfin_sport1_uart_resources,
437 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
443 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
444 #include <linux/input.h>
445 #include <linux/gpio_keys.h>
447 static struct gpio_keys_button bfin_gpio_keys_table[] = {
448 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
449 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
450 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
453 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
454 .buttons = bfin_gpio_keys_table,
455 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
458 static struct platform_device bfin_device_gpiokeys = {
461 .platform_data = &bfin_gpio_keys_data,
466 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
467 #include <linux/i2c-gpio.h>
469 static struct i2c_gpio_platform_data i2c_gpio_data = {
472 .sda_is_open_drain = 0,
473 .scl_is_open_drain = 0,
477 static struct platform_device i2c_gpio_device = {
481 .platform_data = &i2c_gpio_data,
486 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
487 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
489 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
493 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
495 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
498 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
500 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
504 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
506 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
509 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
511 I2C_BOARD_INFO("ad5252", 0x2f),
516 static const unsigned int cclk_vlev_datasheet[] =
518 VRPAIR(VLEV_085, 250000000),
519 VRPAIR(VLEV_090, 376000000),
520 VRPAIR(VLEV_095, 426000000),
521 VRPAIR(VLEV_100, 426000000),
522 VRPAIR(VLEV_105, 476000000),
523 VRPAIR(VLEV_110, 476000000),
524 VRPAIR(VLEV_115, 476000000),
525 VRPAIR(VLEV_120, 600000000),
526 VRPAIR(VLEV_125, 600000000),
527 VRPAIR(VLEV_130, 600000000),
530 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
531 .tuple_tab = cclk_vlev_datasheet,
532 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
533 .vr_settling_time = 25 /* us */,
536 static struct platform_device bfin_dpmc = {
539 .platform_data = &bfin_dmpc_vreg_data,
543 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
544 static struct platform_device bfin_i2s = {
546 .id = CONFIG_SND_BF5XX_SPORT_NUM,
547 /* TODO: add platform data here */
551 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
552 static struct platform_device bfin_tdm = {
554 .id = CONFIG_SND_BF5XX_SPORT_NUM,
555 /* TODO: add platform data here */
559 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
560 static struct platform_device bfin_ac97 = {
562 .id = CONFIG_SND_BF5XX_SPORT_NUM,
563 /* TODO: add platform data here */
567 static struct platform_device *stamp_devices[] __initdata = {
571 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
575 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
579 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
580 &net2272_bfin_device,
583 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
587 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
588 #ifdef CONFIG_SERIAL_BFIN_UART0
593 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
594 #ifdef CONFIG_BFIN_SIR0
599 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
600 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
601 &bfin_sport0_uart_device,
603 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
604 &bfin_sport1_uart_device,
608 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
609 &bfin_device_gpiokeys,
612 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
616 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
620 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
624 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
628 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
633 static int __init net2272_init(void)
635 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
638 /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
639 ret = gpio_request(GPIO_PF0, "net2272");
643 ret = gpio_request(GPIO_PF1, "net2272");
649 ret = gpio_request(GPIO_PF11, "net2272");
656 gpio_direction_output(GPIO_PF0, 0);
657 gpio_direction_output(GPIO_PF1, 1);
659 /* Reset the USB chip */
660 gpio_direction_output(GPIO_PF11, 0);
662 gpio_set_value(GPIO_PF11, 1);
668 static int __init stamp_init(void)
672 printk(KERN_INFO "%s(): registering device resources\n", __func__);
674 i2c_register_board_info(0, bfin_i2c_board_info,
675 ARRAY_SIZE(bfin_i2c_board_info));
677 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
681 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
683 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
684 * the bfin-async-map driver takes care of flipping between
685 * flash and ethernet when necessary.
687 ret = gpio_request(GPIO_PF0, "enet_cpld");
689 gpio_direction_output(GPIO_PF0, 1);
695 pr_warning("unable to configure net2272; it probably won't work\n");
697 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
701 arch_initcall(stamp_init);
703 static struct platform_device *stamp_early_devices[] __initdata = {
704 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
705 #ifdef CONFIG_SERIAL_BFIN_UART0
710 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
711 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
712 &bfin_sport0_uart_device,
714 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
715 &bfin_sport1_uart_device,
720 void __init native_machine_early_platform_add_devices(void)
722 printk(KERN_INFO "register early platform devices\n");
723 early_platform_add_devices(stamp_early_devices,
724 ARRAY_SIZE(stamp_early_devices));
727 void native_machine_restart(char *cmd)
729 /* workaround pull up on cpld / flash pin not being strong enough */
730 gpio_request(GPIO_PF0, "flash_cpld");
731 gpio_direction_output(GPIO_PF0, 0);