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>
27 #include <mach/fio_flag.h>
30 * Name the Board for the /proc/cpuinfo
32 const char bfin_board_name[] = "ADI BF533-STAMP";
34 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
35 static struct platform_device rtc_device = {
42 * Driver needs to know address, irq and flag pin.
44 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
45 #include <linux/smc91x.h>
47 static struct smc91x_platdata smc91x_info = {
48 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
49 .leda = RPC_LED_100_10,
50 .ledb = RPC_LED_TX_RX,
53 static struct resource smc91x_resources[] = {
55 .name = "smc91x-regs",
57 .end = 0x20300300 + 16,
58 .flags = IORESOURCE_MEM,
62 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
66 static struct platform_device smc91x_device = {
69 .num_resources = ARRAY_SIZE(smc91x_resources),
70 .resource = smc91x_resources,
72 .platform_data = &smc91x_info,
77 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
78 static struct resource net2272_bfin_resources[] = {
81 .end = 0x20300000 + 0x100,
82 .flags = IORESOURCE_MEM,
86 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
90 static struct platform_device net2272_bfin_device = {
93 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
94 .resource = net2272_bfin_resources,
98 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
99 static struct mtd_partition stamp_partitions[] = {
101 .name = "bootloader(nor)",
105 .name = "linux kernel(nor)",
107 .offset = MTDPART_OFS_APPEND,
109 .name = "file system(nor)",
110 .size = MTDPART_SIZ_FULL,
111 .offset = MTDPART_OFS_APPEND,
115 static struct physmap_flash_data stamp_flash_data = {
117 .parts = stamp_partitions,
118 .nr_parts = ARRAY_SIZE(stamp_partitions),
121 static struct resource stamp_flash_resource[] = {
126 .flags = IORESOURCE_MEM,
128 .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
129 .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
130 .flags = IORESOURCE_MEM,
133 .flags = IORESOURCE_IRQ,
137 static struct platform_device stamp_flash_device = {
138 .name = "bfin-async-flash",
141 .platform_data = &stamp_flash_data,
143 .num_resources = ARRAY_SIZE(stamp_flash_resource),
144 .resource = stamp_flash_resource,
148 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
149 static struct mtd_partition bfin_spi_flash_partitions[] = {
151 .name = "bootloader(spi)",
154 .mask_flags = MTD_CAP_ROM
156 .name = "linux kernel(spi)",
158 .offset = MTDPART_OFS_APPEND,
160 .name = "file system(spi)",
161 .size = MTDPART_SIZ_FULL,
162 .offset = MTDPART_OFS_APPEND,
166 static struct flash_platform_data bfin_spi_flash_data = {
168 .parts = bfin_spi_flash_partitions,
169 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
173 /* SPI flash chip (m25p64) */
174 static struct bfin5xx_spi_chip spi_flash_chip_info = {
175 .enable_dma = 0, /* use dma transfer with this chip*/
180 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
182 static struct bfin5xx_spi_chip spi_adc_chip_info = {
183 .enable_dma = 1, /* use dma transfer with this chip*/
188 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
189 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
195 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
196 static struct bfin5xx_spi_chip spidev_chip_info = {
202 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
203 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
204 static int bfin_mmc_spi_init(struct device *dev,
205 irqreturn_t (*detect_int)(int, void *), void *data)
207 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
208 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
209 "mmc-spi-detect", data);
212 static void bfin_mmc_spi_exit(struct device *dev, void *data)
214 free_irq(MMC_SPI_CARD_DETECT_INT, data);
217 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
218 .init = bfin_mmc_spi_init,
219 .exit = bfin_mmc_spi_exit,
220 .detect_delay = 100, /* msecs */
223 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
230 static struct spi_board_info bfin_spi_board_info[] __initdata = {
231 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
233 /* the modalias must be the same as spi device driver name */
234 .modalias = "m25p80", /* Name of spi_driver for this device */
235 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
236 .bus_num = 0, /* Framework bus number */
237 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
238 .platform_data = &bfin_spi_flash_data,
239 .controller_data = &spi_flash_chip_info,
244 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
246 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
247 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
248 .bus_num = 0, /* Framework bus number */
249 .chip_select = 1, /* Framework chip select. */
250 .platform_data = NULL, /* No spi_driver specific config */
251 .controller_data = &spi_adc_chip_info,
255 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
257 .modalias = "ad183x",
258 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
261 .platform_data = "ad1836", /* only includes chip name for the moment */
262 .controller_data = &ad1836_spi_chip_info,
267 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
269 .modalias = "spidev",
270 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
273 .controller_data = &spidev_chip_info,
276 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
278 .modalias = "mmc_spi",
279 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
282 .platform_data = &bfin_mmc_spi_pdata,
283 .controller_data = &mmc_spi_chip_info,
289 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
291 static struct resource bfin_spi0_resource[] = {
293 .start = SPI0_REGBASE,
294 .end = SPI0_REGBASE + 0xFF,
295 .flags = IORESOURCE_MEM,
300 .flags = IORESOURCE_DMA,
305 .flags = IORESOURCE_IRQ,
309 /* SPI controller data */
310 static struct bfin5xx_spi_master bfin_spi0_info = {
312 .enable_dma = 1, /* master has the ability to do dma transfer */
313 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
316 static struct platform_device bfin_spi0_device = {
318 .id = 0, /* Bus number */
319 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
320 .resource = bfin_spi0_resource,
322 .platform_data = &bfin_spi0_info, /* Passed to driver */
325 #endif /* spi master and devices */
327 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
328 #ifdef CONFIG_SERIAL_BFIN_UART0
329 static struct resource bfin_uart0_resources[] = {
331 .start = BFIN_UART_THR,
332 .end = BFIN_UART_GCTL+2,
333 .flags = IORESOURCE_MEM,
336 .start = IRQ_UART0_RX,
337 .end = IRQ_UART0_RX + 1,
338 .flags = IORESOURCE_IRQ,
341 .start = IRQ_UART0_ERROR,
342 .end = IRQ_UART0_ERROR,
343 .flags = IORESOURCE_IRQ,
346 .start = CH_UART0_TX,
348 .flags = IORESOURCE_DMA,
351 .start = CH_UART0_RX,
353 .flags = IORESOURCE_DMA,
357 unsigned short bfin_uart0_peripherals[] = {
358 P_UART0_TX, P_UART0_RX, 0
361 static struct platform_device bfin_uart0_device = {
364 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
365 .resource = bfin_uart0_resources,
367 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
373 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
374 #ifdef CONFIG_BFIN_SIR0
375 static struct resource bfin_sir0_resources[] = {
379 .flags = IORESOURCE_MEM,
382 .start = IRQ_UART0_RX,
383 .end = IRQ_UART0_RX+1,
384 .flags = IORESOURCE_IRQ,
387 .start = CH_UART0_RX,
388 .end = CH_UART0_RX+1,
389 .flags = IORESOURCE_DMA,
393 static struct platform_device bfin_sir0_device = {
396 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
397 .resource = bfin_sir0_resources,
402 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
403 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
404 static struct resource bfin_sport0_uart_resources[] = {
406 .start = SPORT0_TCR1,
407 .end = SPORT0_MRCS3+4,
408 .flags = IORESOURCE_MEM,
411 .start = IRQ_SPORT0_RX,
412 .end = IRQ_SPORT0_RX+1,
413 .flags = IORESOURCE_IRQ,
416 .start = IRQ_SPORT0_ERROR,
417 .end = IRQ_SPORT0_ERROR,
418 .flags = IORESOURCE_IRQ,
422 unsigned short bfin_sport0_peripherals[] = {
423 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
424 P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
427 static struct platform_device bfin_sport0_uart_device = {
428 .name = "bfin-sport-uart",
430 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
431 .resource = bfin_sport0_uart_resources,
433 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
437 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
438 static struct resource bfin_sport1_uart_resources[] = {
440 .start = SPORT1_TCR1,
441 .end = SPORT1_MRCS3+4,
442 .flags = IORESOURCE_MEM,
445 .start = IRQ_SPORT1_RX,
446 .end = IRQ_SPORT1_RX+1,
447 .flags = IORESOURCE_IRQ,
450 .start = IRQ_SPORT1_ERROR,
451 .end = IRQ_SPORT1_ERROR,
452 .flags = IORESOURCE_IRQ,
456 unsigned short bfin_sport1_peripherals[] = {
457 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
458 P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
461 static struct platform_device bfin_sport1_uart_device = {
462 .name = "bfin-sport-uart",
464 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
465 .resource = bfin_sport1_uart_resources,
467 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
473 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
474 #include <linux/input.h>
475 #include <linux/gpio_keys.h>
477 static struct gpio_keys_button bfin_gpio_keys_table[] = {
478 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
479 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
480 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
483 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
484 .buttons = bfin_gpio_keys_table,
485 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
488 static struct platform_device bfin_device_gpiokeys = {
491 .platform_data = &bfin_gpio_keys_data,
496 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
497 #include <linux/i2c-gpio.h>
499 static struct i2c_gpio_platform_data i2c_gpio_data = {
502 .sda_is_open_drain = 0,
503 .scl_is_open_drain = 0,
507 static struct platform_device i2c_gpio_device = {
511 .platform_data = &i2c_gpio_data,
516 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
517 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
519 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
523 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
525 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
528 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
530 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
534 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
536 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
539 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
541 I2C_BOARD_INFO("ad5252", 0x2f),
546 static const unsigned int cclk_vlev_datasheet[] =
548 VRPAIR(VLEV_085, 250000000),
549 VRPAIR(VLEV_090, 376000000),
550 VRPAIR(VLEV_095, 426000000),
551 VRPAIR(VLEV_100, 426000000),
552 VRPAIR(VLEV_105, 476000000),
553 VRPAIR(VLEV_110, 476000000),
554 VRPAIR(VLEV_115, 476000000),
555 VRPAIR(VLEV_120, 600000000),
556 VRPAIR(VLEV_125, 600000000),
557 VRPAIR(VLEV_130, 600000000),
560 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
561 .tuple_tab = cclk_vlev_datasheet,
562 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
563 .vr_settling_time = 25 /* us */,
566 static struct platform_device bfin_dpmc = {
569 .platform_data = &bfin_dmpc_vreg_data,
573 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
574 static struct platform_device bfin_i2s = {
576 .id = CONFIG_SND_BF5XX_SPORT_NUM,
577 /* TODO: add platform data here */
581 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
582 static struct platform_device bfin_tdm = {
584 .id = CONFIG_SND_BF5XX_SPORT_NUM,
585 /* TODO: add platform data here */
589 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
590 static struct platform_device bfin_ac97 = {
592 .id = CONFIG_SND_BF5XX_SPORT_NUM,
593 /* TODO: add platform data here */
597 static struct platform_device *stamp_devices[] __initdata = {
601 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
605 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
609 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
610 &net2272_bfin_device,
613 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
617 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
618 #ifdef CONFIG_SERIAL_BFIN_UART0
623 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
624 #ifdef CONFIG_BFIN_SIR0
629 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
630 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
631 &bfin_sport0_uart_device,
633 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
634 &bfin_sport1_uart_device,
638 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
639 &bfin_device_gpiokeys,
642 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
646 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
650 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
654 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
658 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
663 static int __init stamp_init(void)
667 printk(KERN_INFO "%s(): registering device resources\n", __func__);
669 i2c_register_board_info(0, bfin_i2c_board_info,
670 ARRAY_SIZE(bfin_i2c_board_info));
672 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
676 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
677 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
678 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
679 bfin_write_FIO_FLAG_S(PF0);
683 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
687 arch_initcall(stamp_init);
689 static struct platform_device *stamp_early_devices[] __initdata = {
690 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
691 #ifdef CONFIG_SERIAL_BFIN_UART0
696 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
697 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
698 &bfin_sport0_uart_device,
700 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
701 &bfin_sport1_uart_device,
706 void __init native_machine_early_platform_add_devices(void)
708 printk(KERN_INFO "register early platform devices\n");
709 early_platform_add_devices(stamp_early_devices,
710 ARRAY_SIZE(stamp_early_devices));
713 void native_machine_restart(char *cmd)
715 /* workaround pull up on cpld / flash pin not being strong enough */
716 bfin_write_FIO_INEN(~PF0);
717 bfin_write_FIO_DIR(PF0);
718 bfin_write_FIO_FLAG_C(PF0);