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,
85 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
89 static struct platform_device net2272_bfin_device = {
92 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
93 .resource = net2272_bfin_resources,
97 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
98 static struct mtd_partition stamp_partitions[] = {
100 .name = "bootloader(nor)",
104 .name = "linux kernel(nor)",
106 .offset = MTDPART_OFS_APPEND,
108 .name = "file system(nor)",
109 .size = MTDPART_SIZ_FULL,
110 .offset = MTDPART_OFS_APPEND,
114 static struct physmap_flash_data stamp_flash_data = {
116 .parts = stamp_partitions,
117 .nr_parts = ARRAY_SIZE(stamp_partitions),
120 static struct resource stamp_flash_resource[] = {
125 .flags = IORESOURCE_MEM,
127 .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
128 .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
129 .flags = IORESOURCE_MEM,
132 .flags = IORESOURCE_IRQ,
136 static struct platform_device stamp_flash_device = {
137 .name = "bfin-async-flash",
140 .platform_data = &stamp_flash_data,
142 .num_resources = ARRAY_SIZE(stamp_flash_resource),
143 .resource = stamp_flash_resource,
147 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
148 static struct mtd_partition bfin_spi_flash_partitions[] = {
150 .name = "bootloader(spi)",
153 .mask_flags = MTD_CAP_ROM
155 .name = "linux kernel(spi)",
157 .offset = MTDPART_OFS_APPEND,
159 .name = "file system(spi)",
160 .size = MTDPART_SIZ_FULL,
161 .offset = MTDPART_OFS_APPEND,
165 static struct flash_platform_data bfin_spi_flash_data = {
167 .parts = bfin_spi_flash_partitions,
168 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
172 /* SPI flash chip (m25p64) */
173 static struct bfin5xx_spi_chip spi_flash_chip_info = {
174 .enable_dma = 0, /* use dma transfer with this chip*/
179 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
181 static struct bfin5xx_spi_chip spi_adc_chip_info = {
182 .enable_dma = 1, /* use dma transfer with this chip*/
187 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
188 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
194 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
195 static struct bfin5xx_spi_chip spidev_chip_info = {
201 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
202 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
203 static int bfin_mmc_spi_init(struct device *dev,
204 irqreturn_t (*detect_int)(int, void *), void *data)
206 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
207 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
208 "mmc-spi-detect", data);
211 static void bfin_mmc_spi_exit(struct device *dev, void *data)
213 free_irq(MMC_SPI_CARD_DETECT_INT, data);
216 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
217 .init = bfin_mmc_spi_init,
218 .exit = bfin_mmc_spi_exit,
219 .detect_delay = 100, /* msecs */
222 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
229 static struct spi_board_info bfin_spi_board_info[] __initdata = {
230 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
232 /* the modalias must be the same as spi device driver name */
233 .modalias = "m25p80", /* Name of spi_driver for this device */
234 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
235 .bus_num = 0, /* Framework bus number */
236 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
237 .platform_data = &bfin_spi_flash_data,
238 .controller_data = &spi_flash_chip_info,
243 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
245 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
246 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
247 .bus_num = 0, /* Framework bus number */
248 .chip_select = 1, /* Framework chip select. */
249 .platform_data = NULL, /* No spi_driver specific config */
250 .controller_data = &spi_adc_chip_info,
254 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
256 .modalias = "ad183x",
257 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
260 .platform_data = "ad1836", /* only includes chip name for the moment */
261 .controller_data = &ad1836_spi_chip_info,
266 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
268 .modalias = "spidev",
269 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
272 .controller_data = &spidev_chip_info,
275 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
277 .modalias = "mmc_spi",
278 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
281 .platform_data = &bfin_mmc_spi_pdata,
282 .controller_data = &mmc_spi_chip_info,
288 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
290 static struct resource bfin_spi0_resource[] = {
292 .start = SPI0_REGBASE,
293 .end = SPI0_REGBASE + 0xFF,
294 .flags = IORESOURCE_MEM,
299 .flags = IORESOURCE_DMA,
304 .flags = IORESOURCE_IRQ,
308 /* SPI controller data */
309 static struct bfin5xx_spi_master bfin_spi0_info = {
311 .enable_dma = 1, /* master has the ability to do dma transfer */
312 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
315 static struct platform_device bfin_spi0_device = {
317 .id = 0, /* Bus number */
318 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
319 .resource = bfin_spi0_resource,
321 .platform_data = &bfin_spi0_info, /* Passed to driver */
324 #endif /* spi master and devices */
326 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
327 #ifdef CONFIG_SERIAL_BFIN_UART0
328 static struct resource bfin_uart0_resources[] = {
330 .start = BFIN_UART_THR,
331 .end = BFIN_UART_GCTL+2,
332 .flags = IORESOURCE_MEM,
335 .start = IRQ_UART0_RX,
336 .end = IRQ_UART0_RX + 1,
337 .flags = IORESOURCE_IRQ,
340 .start = IRQ_UART0_ERROR,
341 .end = IRQ_UART0_ERROR,
342 .flags = IORESOURCE_IRQ,
345 .start = CH_UART0_TX,
347 .flags = IORESOURCE_DMA,
350 .start = CH_UART0_RX,
352 .flags = IORESOURCE_DMA,
356 static unsigned short bfin_uart0_peripherals[] = {
357 P_UART0_TX, P_UART0_RX, 0
360 static struct platform_device bfin_uart0_device = {
363 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
364 .resource = bfin_uart0_resources,
366 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
372 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
373 #ifdef CONFIG_BFIN_SIR0
374 static struct resource bfin_sir0_resources[] = {
378 .flags = IORESOURCE_MEM,
381 .start = IRQ_UART0_RX,
382 .end = IRQ_UART0_RX+1,
383 .flags = IORESOURCE_IRQ,
386 .start = CH_UART0_RX,
387 .end = CH_UART0_RX+1,
388 .flags = IORESOURCE_DMA,
392 static struct platform_device bfin_sir0_device = {
395 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
396 .resource = bfin_sir0_resources,
401 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
402 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
403 static struct resource bfin_sport0_uart_resources[] = {
405 .start = SPORT0_TCR1,
406 .end = SPORT0_MRCS3+4,
407 .flags = IORESOURCE_MEM,
410 .start = IRQ_SPORT0_RX,
411 .end = IRQ_SPORT0_RX+1,
412 .flags = IORESOURCE_IRQ,
415 .start = IRQ_SPORT0_ERROR,
416 .end = IRQ_SPORT0_ERROR,
417 .flags = IORESOURCE_IRQ,
421 static unsigned short bfin_sport0_peripherals[] = {
422 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
423 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
426 static struct platform_device bfin_sport0_uart_device = {
427 .name = "bfin-sport-uart",
429 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
430 .resource = bfin_sport0_uart_resources,
432 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
436 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
437 static struct resource bfin_sport1_uart_resources[] = {
439 .start = SPORT1_TCR1,
440 .end = SPORT1_MRCS3+4,
441 .flags = IORESOURCE_MEM,
444 .start = IRQ_SPORT1_RX,
445 .end = IRQ_SPORT1_RX+1,
446 .flags = IORESOURCE_IRQ,
449 .start = IRQ_SPORT1_ERROR,
450 .end = IRQ_SPORT1_ERROR,
451 .flags = IORESOURCE_IRQ,
455 static unsigned short bfin_sport1_peripherals[] = {
456 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
457 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
460 static struct platform_device bfin_sport1_uart_device = {
461 .name = "bfin-sport-uart",
463 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
464 .resource = bfin_sport1_uart_resources,
466 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
472 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
473 #include <linux/input.h>
474 #include <linux/gpio_keys.h>
476 static struct gpio_keys_button bfin_gpio_keys_table[] = {
477 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
478 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
479 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
482 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
483 .buttons = bfin_gpio_keys_table,
484 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
487 static struct platform_device bfin_device_gpiokeys = {
490 .platform_data = &bfin_gpio_keys_data,
495 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
496 #include <linux/i2c-gpio.h>
498 static struct i2c_gpio_platform_data i2c_gpio_data = {
501 .sda_is_open_drain = 0,
502 .scl_is_open_drain = 0,
506 static struct platform_device i2c_gpio_device = {
510 .platform_data = &i2c_gpio_data,
515 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
516 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
518 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
522 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
524 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
527 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
529 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
533 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
535 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
538 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
540 I2C_BOARD_INFO("ad5252", 0x2f),
545 static const unsigned int cclk_vlev_datasheet[] =
547 VRPAIR(VLEV_085, 250000000),
548 VRPAIR(VLEV_090, 376000000),
549 VRPAIR(VLEV_095, 426000000),
550 VRPAIR(VLEV_100, 426000000),
551 VRPAIR(VLEV_105, 476000000),
552 VRPAIR(VLEV_110, 476000000),
553 VRPAIR(VLEV_115, 476000000),
554 VRPAIR(VLEV_120, 600000000),
555 VRPAIR(VLEV_125, 600000000),
556 VRPAIR(VLEV_130, 600000000),
559 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
560 .tuple_tab = cclk_vlev_datasheet,
561 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
562 .vr_settling_time = 25 /* us */,
565 static struct platform_device bfin_dpmc = {
568 .platform_data = &bfin_dmpc_vreg_data,
572 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
573 static struct platform_device bfin_i2s = {
575 .id = CONFIG_SND_BF5XX_SPORT_NUM,
576 /* TODO: add platform data here */
580 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
581 static struct platform_device bfin_tdm = {
583 .id = CONFIG_SND_BF5XX_SPORT_NUM,
584 /* TODO: add platform data here */
588 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
589 static struct platform_device bfin_ac97 = {
591 .id = CONFIG_SND_BF5XX_SPORT_NUM,
592 /* TODO: add platform data here */
596 static struct platform_device *stamp_devices[] __initdata = {
600 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
604 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
608 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
609 &net2272_bfin_device,
612 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
616 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
617 #ifdef CONFIG_SERIAL_BFIN_UART0
622 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
623 #ifdef CONFIG_BFIN_SIR0
628 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
629 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
630 &bfin_sport0_uart_device,
632 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
633 &bfin_sport1_uart_device,
637 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
638 &bfin_device_gpiokeys,
641 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
645 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
649 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
653 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
657 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
662 static int __init stamp_init(void)
666 printk(KERN_INFO "%s(): registering device resources\n", __func__);
668 i2c_register_board_info(0, bfin_i2c_board_info,
669 ARRAY_SIZE(bfin_i2c_board_info));
671 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
675 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
677 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
678 * the bfin-async-map driver takes care of flipping between
679 * flash and ethernet when necessary.
681 ret = gpio_request(GPIO_PF0, "enet_cpld");
683 gpio_direction_output(GPIO_PF0, 1);
688 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
692 arch_initcall(stamp_init);
694 static struct platform_device *stamp_early_devices[] __initdata = {
695 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
696 #ifdef CONFIG_SERIAL_BFIN_UART0
701 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
702 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
703 &bfin_sport0_uart_device,
705 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
706 &bfin_sport1_uart_device,
711 void __init native_machine_early_platform_add_devices(void)
713 printk(KERN_INFO "register early platform devices\n");
714 early_platform_add_devices(stamp_early_devices,
715 ARRAY_SIZE(stamp_early_devices));
718 void native_machine_restart(char *cmd)
720 /* workaround pull up on cpld / flash pin not being strong enough */
721 gpio_request(GPIO_PF0, "flash_cpld");
722 gpio_direction_output(GPIO_PF0, 0);