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/delay.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>
17 #include <linux/spi/mmc_spi.h>
18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
19 #include <linux/usb/isp1362.h>
21 #include <linux/gpio.h>
22 #include <linux/irq.h>
23 #include <linux/i2c.h>
25 #include <asm/bfin5xx_spi.h>
26 #include <asm/reboot.h>
27 #include <asm/portmux.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name[] = "ADI BF533-STAMP";
35 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
36 static struct platform_device rtc_device = {
43 * Driver needs to know address, irq and flag pin.
45 #if IS_ENABLED(CONFIG_SMC91X)
46 #include <linux/smc91x.h>
48 static struct smc91x_platdata smc91x_info = {
49 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
50 .leda = RPC_LED_100_10,
51 .ledb = RPC_LED_TX_RX,
54 static struct resource smc91x_resources[] = {
56 .name = "smc91x-regs",
58 .end = 0x20300300 + 16,
59 .flags = IORESOURCE_MEM,
63 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
67 static struct platform_device smc91x_device = {
70 .num_resources = ARRAY_SIZE(smc91x_resources),
71 .resource = smc91x_resources,
73 .platform_data = &smc91x_info,
78 #if IS_ENABLED(CONFIG_USB_NET2272)
79 static struct resource net2272_bfin_resources[] = {
82 .end = 0x20300000 + 0x100,
83 .flags = IORESOURCE_MEM,
86 .flags = IORESOURCE_BUS,
90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
94 static struct platform_device net2272_bfin_device = {
97 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
98 .resource = net2272_bfin_resources,
102 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
103 static struct mtd_partition stamp_partitions[] = {
105 .name = "bootloader(nor)",
109 .name = "linux kernel(nor)",
111 .offset = MTDPART_OFS_APPEND,
113 .name = "file system(nor)",
114 .size = MTDPART_SIZ_FULL,
115 .offset = MTDPART_OFS_APPEND,
119 static struct physmap_flash_data stamp_flash_data = {
121 .parts = stamp_partitions,
122 .nr_parts = ARRAY_SIZE(stamp_partitions),
125 static struct resource stamp_flash_resource[] = {
130 .flags = IORESOURCE_MEM,
132 .start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
133 .end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
134 .flags = IORESOURCE_MEM,
137 .flags = IORESOURCE_IRQ,
141 static struct platform_device stamp_flash_device = {
142 .name = "bfin-async-flash",
145 .platform_data = &stamp_flash_data,
147 .num_resources = ARRAY_SIZE(stamp_flash_resource),
148 .resource = stamp_flash_resource,
152 #if IS_ENABLED(CONFIG_MTD_M25P80)
153 static struct mtd_partition bfin_spi_flash_partitions[] = {
155 .name = "bootloader(spi)",
158 .mask_flags = MTD_CAP_ROM
160 .name = "linux kernel(spi)",
162 .offset = MTDPART_OFS_APPEND,
164 .name = "file system(spi)",
165 .size = MTDPART_SIZ_FULL,
166 .offset = MTDPART_OFS_APPEND,
170 static struct flash_platform_data bfin_spi_flash_data = {
172 .parts = bfin_spi_flash_partitions,
173 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
177 /* SPI flash chip (m25p64) */
178 static struct bfin5xx_spi_chip spi_flash_chip_info = {
179 .enable_dma = 0, /* use dma transfer with this chip*/
183 #if IS_ENABLED(CONFIG_MMC_SPI)
184 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
185 static int bfin_mmc_spi_init(struct device *dev,
186 irqreturn_t (*detect_int)(int, void *), void *data)
188 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
189 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
190 "mmc-spi-detect", data);
193 static void bfin_mmc_spi_exit(struct device *dev, void *data)
195 free_irq(MMC_SPI_CARD_DETECT_INT, data);
198 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
199 .init = bfin_mmc_spi_init,
200 .exit = bfin_mmc_spi_exit,
201 .detect_delay = 100, /* msecs */
204 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
210 static struct spi_board_info bfin_spi_board_info[] __initdata = {
211 #if IS_ENABLED(CONFIG_MTD_M25P80)
213 /* the modalias must be the same as spi device driver name */
214 .modalias = "m25p80", /* Name of spi_driver for this device */
215 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
216 .bus_num = 0, /* Framework bus number */
217 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
218 .platform_data = &bfin_spi_flash_data,
219 .controller_data = &spi_flash_chip_info,
224 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
226 .modalias = "ad1836",
227 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
230 .platform_data = "ad1836", /* only includes chip name for the moment */
235 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
237 .modalias = "spidev",
238 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
243 #if IS_ENABLED(CONFIG_MMC_SPI)
245 .modalias = "mmc_spi",
246 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
249 .platform_data = &bfin_mmc_spi_pdata,
250 .controller_data = &mmc_spi_chip_info,
256 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
258 static struct resource bfin_spi0_resource[] = {
260 .start = SPI0_REGBASE,
261 .end = SPI0_REGBASE + 0xFF,
262 .flags = IORESOURCE_MEM,
267 .flags = IORESOURCE_DMA,
272 .flags = IORESOURCE_IRQ,
276 /* SPI controller data */
277 static struct bfin5xx_spi_master bfin_spi0_info = {
279 .enable_dma = 1, /* master has the ability to do dma transfer */
280 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
283 static struct platform_device bfin_spi0_device = {
285 .id = 0, /* Bus number */
286 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
287 .resource = bfin_spi0_resource,
289 .platform_data = &bfin_spi0_info, /* Passed to driver */
292 #endif /* spi master and devices */
294 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
295 #ifdef CONFIG_SERIAL_BFIN_UART0
296 static struct resource bfin_uart0_resources[] = {
298 .start = BFIN_UART_THR,
299 .end = BFIN_UART_GCTL+2,
300 .flags = IORESOURCE_MEM,
303 .start = IRQ_UART0_TX,
305 .flags = IORESOURCE_IRQ,
308 .start = IRQ_UART0_RX,
310 .flags = IORESOURCE_IRQ,
313 .start = IRQ_UART0_ERROR,
314 .end = IRQ_UART0_ERROR,
315 .flags = IORESOURCE_IRQ,
318 .start = CH_UART0_TX,
320 .flags = IORESOURCE_DMA,
323 .start = CH_UART0_RX,
325 .flags = IORESOURCE_DMA,
329 static unsigned short bfin_uart0_peripherals[] = {
330 P_UART0_TX, P_UART0_RX, 0
333 static struct platform_device bfin_uart0_device = {
336 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
337 .resource = bfin_uart0_resources,
339 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
345 #if IS_ENABLED(CONFIG_BFIN_SIR)
346 #ifdef CONFIG_BFIN_SIR0
347 static struct resource bfin_sir0_resources[] = {
351 .flags = IORESOURCE_MEM,
354 .start = IRQ_UART0_RX,
355 .end = IRQ_UART0_RX+1,
356 .flags = IORESOURCE_IRQ,
359 .start = CH_UART0_RX,
360 .end = CH_UART0_RX+1,
361 .flags = IORESOURCE_DMA,
365 static struct platform_device bfin_sir0_device = {
368 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
369 .resource = bfin_sir0_resources,
374 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
375 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
376 static struct resource bfin_sport0_uart_resources[] = {
378 .start = SPORT0_TCR1,
379 .end = SPORT0_MRCS3+4,
380 .flags = IORESOURCE_MEM,
383 .start = IRQ_SPORT0_RX,
384 .end = IRQ_SPORT0_RX+1,
385 .flags = IORESOURCE_IRQ,
388 .start = IRQ_SPORT0_ERROR,
389 .end = IRQ_SPORT0_ERROR,
390 .flags = IORESOURCE_IRQ,
394 static unsigned short bfin_sport0_peripherals[] = {
395 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
396 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
399 static struct platform_device bfin_sport0_uart_device = {
400 .name = "bfin-sport-uart",
402 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
403 .resource = bfin_sport0_uart_resources,
405 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
409 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
410 static struct resource bfin_sport1_uart_resources[] = {
412 .start = SPORT1_TCR1,
413 .end = SPORT1_MRCS3+4,
414 .flags = IORESOURCE_MEM,
417 .start = IRQ_SPORT1_RX,
418 .end = IRQ_SPORT1_RX+1,
419 .flags = IORESOURCE_IRQ,
422 .start = IRQ_SPORT1_ERROR,
423 .end = IRQ_SPORT1_ERROR,
424 .flags = IORESOURCE_IRQ,
428 static unsigned short bfin_sport1_peripherals[] = {
429 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
430 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
433 static struct platform_device bfin_sport1_uart_device = {
434 .name = "bfin-sport-uart",
436 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
437 .resource = bfin_sport1_uart_resources,
439 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
445 #if IS_ENABLED(CONFIG_BFIN_SPORT)
446 static struct resource bfin_sport0_resources[] = {
448 .start = SPORT0_TCR1,
449 .end = SPORT0_MRCS3+4,
450 .flags = IORESOURCE_MEM,
453 .start = IRQ_SPORT0_TX,
454 .end = IRQ_SPORT0_TX+1,
455 .flags = IORESOURCE_IRQ,
458 .start = IRQ_SPORT0_RX,
459 .end = IRQ_SPORT0_RX+1,
460 .flags = IORESOURCE_IRQ,
463 .start = IRQ_SPORT0_ERROR,
464 .end = IRQ_SPORT0_ERROR,
465 .flags = IORESOURCE_IRQ,
468 .start = CH_SPORT0_TX,
470 .flags = IORESOURCE_DMA,
473 .start = CH_SPORT0_RX,
475 .flags = IORESOURCE_DMA,
478 static struct platform_device bfin_sport0_device = {
479 .name = "bfin_sport_raw",
481 .num_resources = ARRAY_SIZE(bfin_sport0_resources),
482 .resource = bfin_sport0_resources,
484 .platform_data = &bfin_sport0_peripherals,
489 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
490 #include <linux/input.h>
491 #include <linux/gpio_keys.h>
493 static struct gpio_keys_button bfin_gpio_keys_table[] = {
494 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
495 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
496 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
499 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
500 .buttons = bfin_gpio_keys_table,
501 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
504 static struct platform_device bfin_device_gpiokeys = {
507 .platform_data = &bfin_gpio_keys_data,
512 #if IS_ENABLED(CONFIG_I2C_GPIO)
513 #include <linux/i2c-gpio.h>
515 static struct i2c_gpio_platform_data i2c_gpio_data = {
518 .sda_is_open_drain = 0,
519 .scl_is_open_drain = 0,
523 static struct platform_device i2c_gpio_device = {
527 .platform_data = &i2c_gpio_data,
532 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
533 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
535 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
539 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
541 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
544 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
546 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
550 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
552 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
555 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
557 I2C_BOARD_INFO("ad5252", 0x2f),
562 static const unsigned int cclk_vlev_datasheet[] =
564 VRPAIR(VLEV_085, 250000000),
565 VRPAIR(VLEV_090, 376000000),
566 VRPAIR(VLEV_095, 426000000),
567 VRPAIR(VLEV_100, 426000000),
568 VRPAIR(VLEV_105, 476000000),
569 VRPAIR(VLEV_110, 476000000),
570 VRPAIR(VLEV_115, 476000000),
571 VRPAIR(VLEV_120, 600000000),
572 VRPAIR(VLEV_125, 600000000),
573 VRPAIR(VLEV_130, 600000000),
576 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
577 .tuple_tab = cclk_vlev_datasheet,
578 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
579 .vr_settling_time = 25 /* us */,
582 static struct platform_device bfin_dpmc = {
585 .platform_data = &bfin_dmpc_vreg_data,
589 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
590 IS_ENABLED(CONFIG_SND_BF5XX_AC97)
592 #include <asm/bfin_sport.h>
594 #define SPORT_REQ(x) \
595 [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
596 P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
598 static const u16 bfin_snd_pin[][7] = {
603 static struct bfin_snd_platform_data bfin_snd_data[] = {
605 .pin_req = &bfin_snd_pin[0][0],
608 .pin_req = &bfin_snd_pin[1][0],
612 #define BFIN_SND_RES(x) \
615 .start = SPORT##x##_TCR1, \
616 .end = SPORT##x##_TCR1, \
617 .flags = IORESOURCE_MEM \
620 .start = CH_SPORT##x##_RX, \
621 .end = CH_SPORT##x##_RX, \
622 .flags = IORESOURCE_DMA, \
625 .start = CH_SPORT##x##_TX, \
626 .end = CH_SPORT##x##_TX, \
627 .flags = IORESOURCE_DMA, \
630 .start = IRQ_SPORT##x##_ERROR, \
631 .end = IRQ_SPORT##x##_ERROR, \
632 .flags = IORESOURCE_IRQ, \
636 static struct resource bfin_snd_resources[][4] = {
642 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
643 static struct platform_device bfin_i2s_pcm = {
644 .name = "bfin-i2s-pcm-audio",
649 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
650 static struct platform_device bfin_ac97_pcm = {
651 .name = "bfin-ac97-pcm-audio",
656 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
657 static const char * const ad1836_link[] = {
661 static struct platform_device bfin_ad1836_machine = {
662 .name = "bfin-snd-ad1836",
665 .platform_data = (void *)ad1836_link,
670 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
671 static const unsigned ad73311_gpio[] = {
675 static struct platform_device bfin_ad73311_machine = {
676 .name = "bfin-snd-ad73311",
679 .platform_data = (void *)ad73311_gpio,
684 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
685 static struct platform_device bfin_ad73311_codec_device = {
691 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
692 static struct platform_device bfin_ad74111_codec_device = {
698 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
699 static struct platform_device bfin_i2s = {
701 .id = CONFIG_SND_BF5XX_SPORT_NUM,
703 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
704 .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
706 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
711 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
712 static struct platform_device bfin_ac97 = {
714 .id = CONFIG_SND_BF5XX_SPORT_NUM,
716 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
717 .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
719 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
724 static struct platform_device *stamp_devices[] __initdata = {
728 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
732 #if IS_ENABLED(CONFIG_SMC91X)
736 #if IS_ENABLED(CONFIG_USB_NET2272)
737 &net2272_bfin_device,
740 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
744 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
745 #ifdef CONFIG_SERIAL_BFIN_UART0
750 #if IS_ENABLED(CONFIG_BFIN_SIR)
751 #ifdef CONFIG_BFIN_SIR0
756 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
757 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
758 &bfin_sport0_uart_device,
760 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
761 &bfin_sport1_uart_device,
765 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
766 &bfin_device_gpiokeys,
769 #if IS_ENABLED(CONFIG_I2C_GPIO)
773 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
777 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
781 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
785 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
786 &bfin_ad1836_machine,
789 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
790 &bfin_ad73311_machine,
793 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
794 &bfin_ad73311_codec_device,
797 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
798 &bfin_ad74111_codec_device,
801 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
805 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
810 static int __init net2272_init(void)
812 #if IS_ENABLED(CONFIG_USB_NET2272)
815 /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
816 ret = gpio_request(GPIO_PF0, "net2272");
820 ret = gpio_request(GPIO_PF1, "net2272");
826 ret = gpio_request(GPIO_PF11, "net2272");
833 gpio_direction_output(GPIO_PF0, 0);
834 gpio_direction_output(GPIO_PF1, 1);
836 /* Reset the USB chip */
837 gpio_direction_output(GPIO_PF11, 0);
839 gpio_set_value(GPIO_PF11, 1);
845 static int __init stamp_init(void)
849 printk(KERN_INFO "%s(): registering device resources\n", __func__);
851 i2c_register_board_info(0, bfin_i2c_board_info,
852 ARRAY_SIZE(bfin_i2c_board_info));
854 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
858 #if IS_ENABLED(CONFIG_SMC91X)
860 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
861 * the bfin-async-map driver takes care of flipping between
862 * flash and ethernet when necessary.
864 ret = gpio_request(GPIO_PF0, "enet_cpld");
866 gpio_direction_output(GPIO_PF0, 1);
872 pr_warning("unable to configure net2272; it probably won't work\n");
874 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
878 arch_initcall(stamp_init);
880 static struct platform_device *stamp_early_devices[] __initdata = {
881 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
882 #ifdef CONFIG_SERIAL_BFIN_UART0
887 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
888 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
889 &bfin_sport0_uart_device,
891 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
892 &bfin_sport1_uart_device,
897 void __init native_machine_early_platform_add_devices(void)
899 printk(KERN_INFO "register early platform devices\n");
900 early_platform_add_devices(stamp_early_devices,
901 ARRAY_SIZE(stamp_early_devices));
904 void native_machine_restart(char *cmd)
906 /* workaround pull up on cpld / flash pin not being strong enough */
907 gpio_request(GPIO_PF0, "flash_cpld");
908 gpio_direction_output(GPIO_PF0, 0);