2 * Board Info File for the BlackStamp
4 * Copyright 2004-2008 Analog Devices Inc.
5 * 2008 Benjamin Matthews <bmat@lle.rochester.edu>
6 * 2005 National ICT Australia (NICTA)
7 * Aidan Williams <aidan@nicta.com.au>
9 * More info about the BlackStamp at:
10 * http://blackfin.uclinux.org/gf/project/blackstamp/
12 * Licensed under the GPL-2 or later.
15 #include <linux/device.h>
16 #include <linux/platform_device.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/spi/spi.h>
21 #include <linux/spi/flash.h>
22 #include <linux/irq.h>
23 #include <linux/i2c.h>
25 #include <asm/bfin5xx_spi.h>
26 #include <asm/portmux.h>
30 * Name the Board for the /proc/cpuinfo
32 const char bfin_board_name[] = "BlackStamp";
34 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
35 static struct platform_device rtc_device = {
42 * Driver needs to know address, irq and flag pin.
44 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
45 #include <linux/smc91x.h>
47 static struct smc91x_platdata smc91x_info = {
48 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
49 .leda = RPC_LED_100_10,
50 .ledb = RPC_LED_TX_RX,
53 static struct resource smc91x_resources[] = {
55 .name = "smc91x-regs",
57 .end = 0x20300300 + 16,
58 .flags = IORESOURCE_MEM,
62 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
66 static struct platform_device smc91x_device = {
69 .num_resources = ARRAY_SIZE(smc91x_resources),
70 .resource = smc91x_resources,
72 .platform_data = &smc91x_info,
77 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
78 static struct mtd_partition bfin_spi_flash_partitions[] = {
80 .name = "bootloader(spi)",
83 .mask_flags = MTD_CAP_ROM
85 .name = "linux kernel(spi)",
87 .offset = MTDPART_OFS_APPEND,
89 .name = "file system(spi)",
90 .size = MTDPART_SIZ_FULL,
91 .offset = MTDPART_OFS_APPEND,
95 static struct flash_platform_data bfin_spi_flash_data = {
97 .parts = bfin_spi_flash_partitions,
98 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
102 /* SPI flash chip (m25p64) */
103 static struct bfin5xx_spi_chip spi_flash_chip_info = {
104 .enable_dma = 0, /* use dma transfer with this chip*/
109 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
110 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
116 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
117 static struct bfin5xx_spi_chip spidev_chip_info = {
123 static struct spi_board_info bfin_spi_board_info[] __initdata = {
124 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
126 /* the modalias must be the same as spi device driver name */
127 .modalias = "m25p80", /* Name of spi_driver for this device */
128 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
129 .bus_num = 0, /* Framework bus number */
130 .chip_select = 2, /* Framework chip select. */
131 .platform_data = &bfin_spi_flash_data,
132 .controller_data = &spi_flash_chip_info,
137 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
139 .modalias = "mmc_spi",
140 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
143 .controller_data = &mmc_spi_chip_info,
148 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
150 .modalias = "spidev",
151 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
154 .controller_data = &spidev_chip_info,
159 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
161 static struct resource bfin_spi0_resource[] = {
163 .start = SPI0_REGBASE,
164 .end = SPI0_REGBASE + 0xFF,
165 .flags = IORESOURCE_MEM,
170 .flags = IORESOURCE_DMA,
175 .flags = IORESOURCE_IRQ,
179 /* SPI controller data */
180 static struct bfin5xx_spi_master bfin_spi0_info = {
182 .enable_dma = 1, /* master has the ability to do dma transfer */
183 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
186 static struct platform_device bfin_spi0_device = {
188 .id = 0, /* Bus number */
189 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
190 .resource = bfin_spi0_resource,
192 .platform_data = &bfin_spi0_info, /* Passed to driver */
195 #endif /* spi master and devices */
197 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
198 #ifdef CONFIG_SERIAL_BFIN_UART0
199 static struct resource bfin_uart0_resources[] = {
201 .start = BFIN_UART_THR,
202 .end = BFIN_UART_GCTL+2,
203 .flags = IORESOURCE_MEM,
206 .start = IRQ_UART0_RX,
207 .end = IRQ_UART0_RX + 1,
208 .flags = IORESOURCE_IRQ,
211 .start = IRQ_UART0_ERROR,
212 .end = IRQ_UART0_ERROR,
213 .flags = IORESOURCE_IRQ,
216 .start = CH_UART0_TX,
218 .flags = IORESOURCE_DMA,
221 .start = CH_UART0_RX,
223 .flags = IORESOURCE_DMA,
227 unsigned short bfin_uart0_peripherals[] = {
228 P_UART0_TX, P_UART0_RX, 0
231 static struct platform_device bfin_uart0_device = {
234 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
235 .resource = bfin_uart0_resources,
237 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
243 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
244 #ifdef CONFIG_BFIN_SIR0
245 static struct resource bfin_sir0_resources[] = {
249 .flags = IORESOURCE_MEM,
252 .start = IRQ_UART0_RX,
253 .end = IRQ_UART0_RX+1,
254 .flags = IORESOURCE_IRQ,
257 .start = CH_UART0_RX,
258 .end = CH_UART0_RX+1,
259 .flags = IORESOURCE_DMA,
263 static struct platform_device bfin_sir0_device = {
266 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
267 .resource = bfin_sir0_resources,
272 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
273 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
274 static struct resource bfin_sport0_uart_resources[] = {
276 .start = SPORT0_TCR1,
277 .end = SPORT0_MRCS3+4,
278 .flags = IORESOURCE_MEM,
281 .start = IRQ_SPORT0_RX,
282 .end = IRQ_SPORT0_RX+1,
283 .flags = IORESOURCE_IRQ,
286 .start = IRQ_SPORT0_ERROR,
287 .end = IRQ_SPORT0_ERROR,
288 .flags = IORESOURCE_IRQ,
292 unsigned short bfin_sport0_peripherals[] = {
293 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
294 P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
297 static struct platform_device bfin_sport0_uart_device = {
298 .name = "bfin-sport-uart",
300 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
301 .resource = bfin_sport0_uart_resources,
303 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
307 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
308 static struct resource bfin_sport1_uart_resources[] = {
310 .start = SPORT1_TCR1,
311 .end = SPORT1_MRCS3+4,
312 .flags = IORESOURCE_MEM,
315 .start = IRQ_SPORT1_RX,
316 .end = IRQ_SPORT1_RX+1,
317 .flags = IORESOURCE_IRQ,
320 .start = IRQ_SPORT1_ERROR,
321 .end = IRQ_SPORT1_ERROR,
322 .flags = IORESOURCE_IRQ,
326 unsigned short bfin_sport1_peripherals[] = {
327 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
328 P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
331 static struct platform_device bfin_sport1_uart_device = {
332 .name = "bfin-sport-uart",
334 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
335 .resource = bfin_sport1_uart_resources,
337 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
343 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
344 #include <linux/input.h>
345 #include <linux/gpio_keys.h>
347 static struct gpio_keys_button bfin_gpio_keys_table[] = {
348 {BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"},
349 {BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"},
350 {BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"},
351 }; /* Mapped to the first three PF Test Points */
353 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
354 .buttons = bfin_gpio_keys_table,
355 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
358 static struct platform_device bfin_device_gpiokeys = {
361 .platform_data = &bfin_gpio_keys_data,
366 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
367 #include <linux/i2c-gpio.h>
369 static struct i2c_gpio_platform_data i2c_gpio_data = {
372 .sda_is_open_drain = 0,
373 .scl_is_open_drain = 0,
375 }; /* This hasn't actually been used these pins
376 * are (currently) free pins on the expansion connector */
378 static struct platform_device i2c_gpio_device = {
382 .platform_data = &i2c_gpio_data,
387 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
390 static const unsigned int cclk_vlev_datasheet[] =
392 VRPAIR(VLEV_085, 250000000),
393 VRPAIR(VLEV_090, 376000000),
394 VRPAIR(VLEV_095, 426000000),
395 VRPAIR(VLEV_100, 426000000),
396 VRPAIR(VLEV_105, 476000000),
397 VRPAIR(VLEV_110, 476000000),
398 VRPAIR(VLEV_115, 476000000),
399 VRPAIR(VLEV_120, 600000000),
400 VRPAIR(VLEV_125, 600000000),
401 VRPAIR(VLEV_130, 600000000),
404 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
405 .tuple_tab = cclk_vlev_datasheet,
406 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
407 .vr_settling_time = 25 /* us */,
410 static struct platform_device bfin_dpmc = {
413 .platform_data = &bfin_dmpc_vreg_data,
417 static struct platform_device *stamp_devices[] __initdata = {
421 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
425 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
430 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
434 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
435 #ifdef CONFIG_SERIAL_BFIN_UART0
440 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
441 #ifdef CONFIG_BFIN_SIR0
446 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
447 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
448 &bfin_sport0_uart_device,
450 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
451 &bfin_sport1_uart_device,
455 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
456 &bfin_device_gpiokeys,
459 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
464 static int __init blackstamp_init(void)
468 printk(KERN_INFO "%s(): registering device resources\n", __func__);
470 i2c_register_board_info(0, bfin_i2c_board_info,
471 ARRAY_SIZE(bfin_i2c_board_info));
473 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
477 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
479 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
480 * the bfin-async-map driver takes care of flipping between
481 * flash and ethernet when necessary.
483 ret = gpio_request(GPIO_PF0, "enet_cpld");
485 gpio_direction_output(GPIO_PF0, 1);
490 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
494 arch_initcall(blackstamp_init);
496 static struct platform_device *stamp_early_devices[] __initdata = {
497 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
498 #ifdef CONFIG_SERIAL_BFIN_UART0
503 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
504 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
505 &bfin_sport0_uart_device,
507 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
508 &bfin_sport1_uart_device,
513 void __init native_machine_early_platform_add_devices(void)
515 printk(KERN_INFO "register early platform devices\n");
516 early_platform_add_devices(stamp_early_devices,
517 ARRAY_SIZE(stamp_early_devices));