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 IS_ENABLED(CONFIG_USB_ISP1362_HCD)
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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
34 static struct platform_device rtc_device = {
41 * Driver needs to know address, irq and flag pin.
43 #if IS_ENABLED(CONFIG_SMC91X)
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 IS_ENABLED(CONFIG_USB_NET2272)
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 IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
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 IS_ENABLED(CONFIG_MTD_M25P80)
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 IS_ENABLED(CONFIG_MMC_SPI)
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 IS_ENABLED(CONFIG_MTD_M25P80)
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 IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
224 .modalias = "ad1836",
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 IS_ENABLED(CONFIG_SPI_SPIDEV)
235 .modalias = "spidev",
236 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
241 #if IS_ENABLED(CONFIG_MMC_SPI)
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 IS_ENABLED(CONFIG_SPI_BFIN5XX)
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 IS_ENABLED(CONFIG_SERIAL_BFIN)
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 IS_ENABLED(CONFIG_BFIN_SIR)
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 IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
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 IS_ENABLED(CONFIG_BFIN_SPORT)
444 static struct resource bfin_sport0_resources[] = {
446 .start = SPORT0_TCR1,
447 .end = SPORT0_MRCS3+4,
448 .flags = IORESOURCE_MEM,
451 .start = IRQ_SPORT0_TX,
452 .end = IRQ_SPORT0_TX+1,
453 .flags = IORESOURCE_IRQ,
456 .start = IRQ_SPORT0_RX,
457 .end = IRQ_SPORT0_RX+1,
458 .flags = IORESOURCE_IRQ,
461 .start = IRQ_SPORT0_ERROR,
462 .end = IRQ_SPORT0_ERROR,
463 .flags = IORESOURCE_IRQ,
466 .start = CH_SPORT0_TX,
468 .flags = IORESOURCE_DMA,
471 .start = CH_SPORT0_RX,
473 .flags = IORESOURCE_DMA,
476 static struct platform_device bfin_sport0_device = {
477 .name = "bfin_sport_raw",
479 .num_resources = ARRAY_SIZE(bfin_sport0_resources),
480 .resource = bfin_sport0_resources,
482 .platform_data = &bfin_sport0_peripherals,
487 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
488 #include <linux/input.h>
489 #include <linux/gpio_keys.h>
491 static struct gpio_keys_button bfin_gpio_keys_table[] = {
492 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
493 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
494 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
497 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
498 .buttons = bfin_gpio_keys_table,
499 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
502 static struct platform_device bfin_device_gpiokeys = {
505 .platform_data = &bfin_gpio_keys_data,
510 #if IS_ENABLED(CONFIG_I2C_GPIO)
511 #include <linux/i2c-gpio.h>
513 static struct i2c_gpio_platform_data i2c_gpio_data = {
516 .sda_is_open_drain = 0,
517 .scl_is_open_drain = 0,
521 static struct platform_device i2c_gpio_device = {
525 .platform_data = &i2c_gpio_data,
530 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
531 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
533 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
537 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
539 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
542 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
544 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
548 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
550 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
553 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
555 I2C_BOARD_INFO("ad5252", 0x2f),
560 static const unsigned int cclk_vlev_datasheet[] =
562 VRPAIR(VLEV_085, 250000000),
563 VRPAIR(VLEV_090, 376000000),
564 VRPAIR(VLEV_095, 426000000),
565 VRPAIR(VLEV_100, 426000000),
566 VRPAIR(VLEV_105, 476000000),
567 VRPAIR(VLEV_110, 476000000),
568 VRPAIR(VLEV_115, 476000000),
569 VRPAIR(VLEV_120, 600000000),
570 VRPAIR(VLEV_125, 600000000),
571 VRPAIR(VLEV_130, 600000000),
574 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
575 .tuple_tab = cclk_vlev_datasheet,
576 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
577 .vr_settling_time = 25 /* us */,
580 static struct platform_device bfin_dpmc = {
583 .platform_data = &bfin_dmpc_vreg_data,
587 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
588 IS_ENABLED(CONFIG_SND_BF5XX_AC97)
590 #include <asm/bfin_sport.h>
592 #define SPORT_REQ(x) \
593 [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
594 P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
596 static const u16 bfin_snd_pin[][7] = {
601 static struct bfin_snd_platform_data bfin_snd_data[] = {
603 .pin_req = &bfin_snd_pin[0][0],
606 .pin_req = &bfin_snd_pin[1][0],
610 #define BFIN_SND_RES(x) \
613 .start = SPORT##x##_TCR1, \
614 .end = SPORT##x##_TCR1, \
615 .flags = IORESOURCE_MEM \
618 .start = CH_SPORT##x##_RX, \
619 .end = CH_SPORT##x##_RX, \
620 .flags = IORESOURCE_DMA, \
623 .start = CH_SPORT##x##_TX, \
624 .end = CH_SPORT##x##_TX, \
625 .flags = IORESOURCE_DMA, \
628 .start = IRQ_SPORT##x##_ERROR, \
629 .end = IRQ_SPORT##x##_ERROR, \
630 .flags = IORESOURCE_IRQ, \
634 static struct resource bfin_snd_resources[][4] = {
640 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
641 static struct platform_device bfin_i2s_pcm = {
642 .name = "bfin-i2s-pcm-audio",
647 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
648 static struct platform_device bfin_ac97_pcm = {
649 .name = "bfin-ac97-pcm-audio",
654 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
655 static const char * const ad1836_link[] = {
659 static struct platform_device bfin_ad1836_machine = {
660 .name = "bfin-snd-ad1836",
663 .platform_data = (void *)ad1836_link,
668 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
669 static const unsigned ad73311_gpio[] = {
673 static struct platform_device bfin_ad73311_machine = {
674 .name = "bfin-snd-ad73311",
677 .platform_data = (void *)ad73311_gpio,
682 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
683 static struct platform_device bfin_ad73311_codec_device = {
689 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
690 static struct platform_device bfin_ad74111_codec_device = {
696 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
697 static struct platform_device bfin_i2s = {
699 .id = CONFIG_SND_BF5XX_SPORT_NUM,
701 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
702 .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
704 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
709 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
710 static struct platform_device bfin_ac97 = {
712 .id = CONFIG_SND_BF5XX_SPORT_NUM,
714 ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
715 .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
717 .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
722 static struct platform_device *stamp_devices[] __initdata = {
726 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
730 #if IS_ENABLED(CONFIG_SMC91X)
734 #if IS_ENABLED(CONFIG_USB_NET2272)
735 &net2272_bfin_device,
738 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
742 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
743 #ifdef CONFIG_SERIAL_BFIN_UART0
748 #if IS_ENABLED(CONFIG_BFIN_SIR)
749 #ifdef CONFIG_BFIN_SIR0
754 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
755 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
756 &bfin_sport0_uart_device,
758 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
759 &bfin_sport1_uart_device,
763 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
764 &bfin_device_gpiokeys,
767 #if IS_ENABLED(CONFIG_I2C_GPIO)
771 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
775 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
779 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
783 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
784 &bfin_ad1836_machine,
787 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
788 &bfin_ad73311_machine,
791 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
792 &bfin_ad73311_codec_device,
795 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
796 &bfin_ad74111_codec_device,
799 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
803 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
808 static int __init net2272_init(void)
810 #if IS_ENABLED(CONFIG_USB_NET2272)
813 /* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
814 ret = gpio_request(GPIO_PF0, "net2272");
818 ret = gpio_request(GPIO_PF1, "net2272");
824 ret = gpio_request(GPIO_PF11, "net2272");
831 gpio_direction_output(GPIO_PF0, 0);
832 gpio_direction_output(GPIO_PF1, 1);
834 /* Reset the USB chip */
835 gpio_direction_output(GPIO_PF11, 0);
837 gpio_set_value(GPIO_PF11, 1);
843 static int __init stamp_init(void)
847 printk(KERN_INFO "%s(): registering device resources\n", __func__);
849 i2c_register_board_info(0, bfin_i2c_board_info,
850 ARRAY_SIZE(bfin_i2c_board_info));
852 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
856 #if IS_ENABLED(CONFIG_SMC91X)
858 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
859 * the bfin-async-map driver takes care of flipping between
860 * flash and ethernet when necessary.
862 ret = gpio_request(GPIO_PF0, "enet_cpld");
864 gpio_direction_output(GPIO_PF0, 1);
870 pr_warning("unable to configure net2272; it probably won't work\n");
872 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
876 arch_initcall(stamp_init);
878 static struct platform_device *stamp_early_devices[] __initdata = {
879 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
880 #ifdef CONFIG_SERIAL_BFIN_UART0
885 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
886 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
887 &bfin_sport0_uart_device,
889 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
890 &bfin_sport1_uart_device,
895 void __init native_machine_early_platform_add_devices(void)
897 printk(KERN_INFO "register early platform devices\n");
898 early_platform_add_devices(stamp_early_devices,
899 ARRAY_SIZE(stamp_early_devices));
902 void native_machine_restart(char *cmd)
904 /* workaround pull up on cpld / flash pin not being strong enough */
905 gpio_request(GPIO_PF0, "flash_cpld");
906 gpio_direction_output(GPIO_PF0, 0);