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_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_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_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
256 .modalias = "ad1836",
257 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
259 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
260 .controller_data = &ad1836_spi_chip_info,
264 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
266 .modalias = "spidev",
267 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
270 .controller_data = &spidev_chip_info,
273 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
275 .modalias = "mmc_spi",
276 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
279 .platform_data = &bfin_mmc_spi_pdata,
280 .controller_data = &mmc_spi_chip_info,
286 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
288 static struct resource bfin_spi0_resource[] = {
290 .start = SPI0_REGBASE,
291 .end = SPI0_REGBASE + 0xFF,
292 .flags = IORESOURCE_MEM,
297 .flags = IORESOURCE_DMA,
302 .flags = IORESOURCE_IRQ,
306 /* SPI controller data */
307 static struct bfin5xx_spi_master bfin_spi0_info = {
309 .enable_dma = 1, /* master has the ability to do dma transfer */
310 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
313 static struct platform_device bfin_spi0_device = {
315 .id = 0, /* Bus number */
316 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
317 .resource = bfin_spi0_resource,
319 .platform_data = &bfin_spi0_info, /* Passed to driver */
322 #endif /* spi master and devices */
324 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
325 static struct platform_device bfin_fb_device = {
330 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
331 static struct resource bfin_uart_resources[] = {
335 .flags = IORESOURCE_MEM,
339 static struct platform_device bfin_uart_device = {
342 .num_resources = ARRAY_SIZE(bfin_uart_resources),
343 .resource = bfin_uart_resources,
347 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
348 #ifdef CONFIG_BFIN_SIR0
349 static struct resource bfin_sir0_resources[] = {
353 .flags = IORESOURCE_MEM,
356 .start = IRQ_UART0_RX,
357 .end = IRQ_UART0_RX+1,
358 .flags = IORESOURCE_IRQ,
361 .start = CH_UART0_RX,
362 .end = CH_UART0_RX+1,
363 .flags = IORESOURCE_DMA,
367 static struct platform_device bfin_sir0_device = {
370 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
371 .resource = bfin_sir0_resources,
376 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
377 static struct platform_device bfin_sport0_uart_device = {
378 .name = "bfin-sport-uart",
382 static struct platform_device bfin_sport1_uart_device = {
383 .name = "bfin-sport-uart",
388 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
389 #include <linux/input.h>
390 #include <linux/gpio_keys.h>
392 static struct gpio_keys_button bfin_gpio_keys_table[] = {
393 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
394 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
395 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
398 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
399 .buttons = bfin_gpio_keys_table,
400 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
403 static struct platform_device bfin_device_gpiokeys = {
406 .platform_data = &bfin_gpio_keys_data,
411 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
412 #include <linux/i2c-gpio.h>
414 static struct i2c_gpio_platform_data i2c_gpio_data = {
417 .sda_is_open_drain = 0,
418 .scl_is_open_drain = 0,
422 static struct platform_device i2c_gpio_device = {
426 .platform_data = &i2c_gpio_data,
431 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
432 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
434 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
438 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
440 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
443 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
445 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
449 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
451 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
456 static const unsigned int cclk_vlev_datasheet[] =
458 VRPAIR(VLEV_085, 250000000),
459 VRPAIR(VLEV_090, 376000000),
460 VRPAIR(VLEV_095, 426000000),
461 VRPAIR(VLEV_100, 426000000),
462 VRPAIR(VLEV_105, 476000000),
463 VRPAIR(VLEV_110, 476000000),
464 VRPAIR(VLEV_115, 476000000),
465 VRPAIR(VLEV_120, 600000000),
466 VRPAIR(VLEV_125, 600000000),
467 VRPAIR(VLEV_130, 600000000),
470 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
471 .tuple_tab = cclk_vlev_datasheet,
472 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
473 .vr_settling_time = 25 /* us */,
476 static struct platform_device bfin_dpmc = {
479 .platform_data = &bfin_dmpc_vreg_data,
483 static struct platform_device *stamp_devices[] __initdata = {
487 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
491 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
495 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
496 &net2272_bfin_device,
499 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
503 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
507 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
508 #ifdef CONFIG_BFIN_SIR0
513 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
514 &bfin_sport0_uart_device,
515 &bfin_sport1_uart_device,
518 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
519 &bfin_device_gpiokeys,
522 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
526 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
531 static int __init stamp_init(void)
535 printk(KERN_INFO "%s(): registering device resources\n", __func__);
537 i2c_register_board_info(0, bfin_i2c_board_info,
538 ARRAY_SIZE(bfin_i2c_board_info));
540 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
544 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
545 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
546 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
547 bfin_write_FIO_FLAG_S(PF0);
551 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
555 arch_initcall(stamp_init);
557 void native_machine_restart(char *cmd)
559 /* workaround pull up on cpld / flash pin not being strong enough */
560 bfin_write_FIO_INEN(~PF0);
561 bfin_write_FIO_DIR(PF0);
562 bfin_write_FIO_FLAG_C(PF0);