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>
17 #include <linux/i2c.h>
18 #include <linux/irq.h>
19 #include <linux/interrupt.h>
21 #include <asm/bfin5xx_spi.h>
22 #include <asm/reboot.h>
23 #include <asm/portmux.h>
25 #include <asm/bfin_sdh.h>
26 #include <linux/spi/ad7877.h>
30 * Name the Board for the /proc/cpuinfo
32 const char bfin_board_name[] = "ADI BF518F-EZBRD";
35 * Driver needs to know address, irq and flag pin.
38 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
39 static struct mtd_partition ezbrd_partitions[] = {
41 .name = "bootloader(nor)",
45 .name = "linux kernel(nor)",
47 .offset = MTDPART_OFS_APPEND,
49 .name = "file system(nor)",
50 .size = MTDPART_SIZ_FULL,
51 .offset = MTDPART_OFS_APPEND,
55 static struct physmap_flash_data ezbrd_flash_data = {
57 .parts = ezbrd_partitions,
58 .nr_parts = ARRAY_SIZE(ezbrd_partitions),
61 static struct resource ezbrd_flash_resource = {
63 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
68 .flags = IORESOURCE_MEM,
71 static struct platform_device ezbrd_flash_device = {
72 .name = "physmap-flash",
75 .platform_data = &ezbrd_flash_data,
78 .resource = &ezbrd_flash_resource,
82 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
83 static struct platform_device rtc_device = {
89 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
90 static struct platform_device bfin_mii_bus = {
91 .name = "bfin_mii_bus",
94 static struct platform_device bfin_mac_device = {
96 .dev.platform_data = &bfin_mii_bus,
99 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
100 static struct dsa_chip_data ksz8893m_switch_chip_data = {
101 .mii_bus = &bfin_mii_bus.dev,
109 static struct dsa_platform_data ksz8893m_switch_data = {
111 .netdev = &bfin_mac_device.dev,
112 .chip = &ksz8893m_switch_chip_data,
115 static struct platform_device ksz8893m_switch_device = {
119 .dev.platform_data = &ksz8893m_switch_data,
124 #if defined(CONFIG_MTD_M25P80) \
125 || defined(CONFIG_MTD_M25P80_MODULE)
126 static struct mtd_partition bfin_spi_flash_partitions[] = {
128 .name = "bootloader(spi)",
131 .mask_flags = MTD_CAP_ROM
133 .name = "linux kernel(spi)",
134 .size = MTDPART_SIZ_FULL,
135 .offset = MTDPART_OFS_APPEND,
139 static struct flash_platform_data bfin_spi_flash_data = {
141 .parts = bfin_spi_flash_partitions,
142 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
146 /* SPI flash chip (m25p64) */
147 static struct bfin5xx_spi_chip spi_flash_chip_info = {
148 .enable_dma = 0, /* use dma transfer with this chip*/
153 #if defined(CONFIG_BFIN_SPI_ADC) \
154 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
156 static struct bfin5xx_spi_chip spi_adc_chip_info = {
157 .enable_dma = 1, /* use dma transfer with this chip*/
162 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
163 #if defined(CONFIG_NET_DSA_KSZ8893M) \
164 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
165 /* SPI SWITCH CHIP */
166 static struct bfin5xx_spi_chip spi_switch_info = {
173 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
174 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
180 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
181 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
186 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
188 .vref_delay_usecs = 50, /* internal, no capacitor */
191 .pressure_max = 1000,
193 .stopacq_polarity = 1,
194 .first_conversion_delay = 3,
195 .acquisition_time = 1,
197 .pen_down_acc_interval = 1,
201 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
202 && defined(CONFIG_SND_SOC_WM8731_SPI)
203 static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
209 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
210 static struct bfin5xx_spi_chip spidev_chip_info = {
216 static struct spi_board_info bfin_spi_board_info[] __initdata = {
217 #if defined(CONFIG_MTD_M25P80) \
218 || defined(CONFIG_MTD_M25P80_MODULE)
220 /* the modalias must be the same as spi device driver name */
221 .modalias = "m25p80", /* Name of spi_driver for this device */
222 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
223 .bus_num = 0, /* Framework bus number */
224 .chip_select = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
225 .platform_data = &bfin_spi_flash_data,
226 .controller_data = &spi_flash_chip_info,
231 #if defined(CONFIG_BFIN_SPI_ADC) \
232 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
234 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
235 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
236 .bus_num = 0, /* Framework bus number */
237 .chip_select = 1, /* Framework chip select. */
238 .platform_data = NULL, /* No spi_driver specific config */
239 .controller_data = &spi_adc_chip_info,
243 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
244 #if defined(CONFIG_NET_DSA_KSZ8893M) \
245 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
247 .modalias = "ksz8893m",
248 .max_speed_hz = 5000000,
251 .platform_data = NULL,
252 .controller_data = &spi_switch_info,
258 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
260 .modalias = "mmc_spi",
261 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
264 .controller_data = &mmc_spi_chip_info,
268 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
270 .modalias = "ad7877",
271 .platform_data = &bfin_ad7877_ts_info,
273 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
276 .controller_data = &spi_ad7877_chip_info,
279 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
280 && defined(CONFIG_SND_SOC_WM8731_SPI)
282 .modalias = "wm8731",
283 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
286 .controller_data = &spi_wm8731_chip_info,
290 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
292 .modalias = "spidev",
293 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
296 .controller_data = &spidev_chip_info,
299 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
301 .modalias = "bfin-lq035q1-spi",
302 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
305 .controller_data = &lq035q1_spi_chip_info,
306 .mode = SPI_CPHA | SPI_CPOL,
311 /* SPI controller data */
312 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
314 static struct bfin5xx_spi_master bfin_spi0_info = {
316 .enable_dma = 1, /* master has the ability to do dma transfer */
317 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
320 static struct resource bfin_spi0_resource[] = {
322 .start = SPI0_REGBASE,
323 .end = SPI0_REGBASE + 0xFF,
324 .flags = IORESOURCE_MEM,
329 .flags = IORESOURCE_DMA,
334 .flags = IORESOURCE_IRQ,
338 static struct platform_device bfin_spi0_device = {
340 .id = 0, /* Bus number */
341 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
342 .resource = bfin_spi0_resource,
344 .platform_data = &bfin_spi0_info, /* Passed to driver */
349 static struct bfin5xx_spi_master bfin_spi1_info = {
351 .enable_dma = 1, /* master has the ability to do dma transfer */
352 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
355 static struct resource bfin_spi1_resource[] = {
357 .start = SPI1_REGBASE,
358 .end = SPI1_REGBASE + 0xFF,
359 .flags = IORESOURCE_MEM,
364 .flags = IORESOURCE_DMA,
369 .flags = IORESOURCE_IRQ,
373 static struct platform_device bfin_spi1_device = {
375 .id = 1, /* Bus number */
376 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
377 .resource = bfin_spi1_resource,
379 .platform_data = &bfin_spi1_info, /* Passed to driver */
382 #endif /* spi master and devices */
384 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
385 static struct resource bfin_uart_resources[] = {
386 #ifdef CONFIG_SERIAL_BFIN_UART0
390 .flags = IORESOURCE_MEM,
393 #ifdef CONFIG_SERIAL_BFIN_UART1
397 .flags = IORESOURCE_MEM,
402 static struct platform_device bfin_uart_device = {
405 .num_resources = ARRAY_SIZE(bfin_uart_resources),
406 .resource = bfin_uart_resources,
410 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
411 #ifdef CONFIG_BFIN_SIR0
412 static struct resource bfin_sir0_resources[] = {
416 .flags = IORESOURCE_MEM,
419 .start = IRQ_UART0_RX,
420 .end = IRQ_UART0_RX+1,
421 .flags = IORESOURCE_IRQ,
424 .start = CH_UART0_RX,
425 .end = CH_UART0_RX+1,
426 .flags = IORESOURCE_DMA,
430 static struct platform_device bfin_sir0_device = {
433 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
434 .resource = bfin_sir0_resources,
437 #ifdef CONFIG_BFIN_SIR1
438 static struct resource bfin_sir1_resources[] = {
442 .flags = IORESOURCE_MEM,
445 .start = IRQ_UART1_RX,
446 .end = IRQ_UART1_RX+1,
447 .flags = IORESOURCE_IRQ,
450 .start = CH_UART1_RX,
451 .end = CH_UART1_RX+1,
452 .flags = IORESOURCE_DMA,
456 static struct platform_device bfin_sir1_device = {
459 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
460 .resource = bfin_sir1_resources,
465 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
466 static struct resource bfin_twi0_resource[] = {
468 .start = TWI0_REGBASE,
470 .flags = IORESOURCE_MEM,
475 .flags = IORESOURCE_IRQ,
479 static struct platform_device i2c_bfin_twi_device = {
480 .name = "i2c-bfin-twi",
482 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
483 .resource = bfin_twi0_resource,
487 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
488 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
490 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
493 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
495 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
501 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
502 static struct platform_device bfin_sport0_uart_device = {
503 .name = "bfin-sport-uart",
507 static struct platform_device bfin_sport1_uart_device = {
508 .name = "bfin-sport-uart",
513 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
514 #include <linux/input.h>
515 #include <linux/gpio_keys.h>
517 static struct gpio_keys_button bfin_gpio_keys_table[] = {
518 {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
519 {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
522 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
523 .buttons = bfin_gpio_keys_table,
524 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
527 static struct platform_device bfin_device_gpiokeys = {
530 .platform_data = &bfin_gpio_keys_data,
535 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
537 static struct bfin_sd_host bfin_sdh_data = {
539 .irq_int0 = IRQ_RSI_INT0,
540 .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
543 static struct platform_device bf51x_sdh_device = {
547 .platform_data = &bfin_sdh_data,
552 static const unsigned int cclk_vlev_datasheet[] =
554 VRPAIR(VLEV_100, 400000000),
555 VRPAIR(VLEV_105, 426000000),
556 VRPAIR(VLEV_110, 500000000),
557 VRPAIR(VLEV_115, 533000000),
558 VRPAIR(VLEV_120, 600000000),
561 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
562 .tuple_tab = cclk_vlev_datasheet,
563 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
564 .vr_settling_time = 25 /* us */,
567 static struct platform_device bfin_dpmc = {
570 .platform_data = &bfin_dmpc_vreg_data,
574 static struct platform_device *stamp_devices[] __initdata = {
578 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
582 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
585 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
586 &ksz8893m_switch_device,
590 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
595 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
599 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
600 #ifdef CONFIG_BFIN_SIR0
603 #ifdef CONFIG_BFIN_SIR1
608 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
609 &i2c_bfin_twi_device,
612 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
613 &bfin_sport0_uart_device,
614 &bfin_sport1_uart_device,
617 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
618 &bfin_device_gpiokeys,
621 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
625 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
630 static int __init ezbrd_init(void)
632 printk(KERN_INFO "%s(): registering device resources\n", __func__);
633 i2c_register_board_info(0, bfin_i2c_board_info,
634 ARRAY_SIZE(bfin_i2c_board_info));
635 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
636 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
637 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
638 peripheral_request(P_AMS2, "ParaFlash");
639 #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE)
640 peripheral_request(P_AMS3, "ParaFlash");
645 arch_initcall(ezbrd_init);
647 void native_machine_restart(char *cmd)
649 /* workaround reboot hang when booting from SPI */
650 if ((bfin_read_SYSCR() & 0x7) == 0x3)
651 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
654 void bfin_get_ether_addr(char *addr)
656 /* the MAC is stored in OTP memory page 0xDF */
659 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
661 ret = otp_read(0xDF, 0x00, &otp_mac);
663 char *otp_mac_p = (char *)&otp_mac;
664 for (ret = 0; ret < 6; ++ret)
665 addr[ret] = otp_mac_p[5 - ret];
668 EXPORT_SYMBOL(bfin_get_ether_addr);