2 * File: arch/blackfin/mach-bf538/boards/ezkit.c
3 * Based on: arch/blackfin/mach-bf537/boards/ezkit.c
4 * Author: Aidan Williams <aidan@nicta.com.au>
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2008 Analog Devices Inc.
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, see the file COPYING, or write
27 * to the Free Software Foundation, Inc.,
28 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 #include <linux/device.h>
32 #include <linux/platform_device.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/flash.h>
37 #include <linux/irq.h>
38 #include <linux/interrupt.h>
39 #include <asm/bfin5xx_spi.h>
43 #include <asm/portmux.h>
45 #include <linux/input.h>
48 * Name the Board for the /proc/cpuinfo
50 const char bfin_board_name[] = "ADI BF538-EZKIT";
53 * Driver needs to know address, irq and flag pin.
57 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
58 static struct platform_device rtc_device = {
64 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
65 static struct resource bfin_uart_resources[] = {
66 #ifdef CONFIG_SERIAL_BFIN_UART0
70 .flags = IORESOURCE_MEM,
73 #ifdef CONFIG_SERIAL_BFIN_UART1
77 .flags = IORESOURCE_MEM,
80 #ifdef CONFIG_SERIAL_BFIN_UART2
84 .flags = IORESOURCE_MEM,
89 static struct platform_device bfin_uart_device = {
92 .num_resources = ARRAY_SIZE(bfin_uart_resources),
93 .resource = bfin_uart_resources,
97 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
98 static struct resource bfin_sir_resources[] = {
99 #ifdef CONFIG_BFIN_SIR0
103 .flags = IORESOURCE_MEM,
106 #ifdef CONFIG_BFIN_SIR1
110 .flags = IORESOURCE_MEM,
113 #ifdef CONFIG_BFIN_SIR2
117 .flags = IORESOURCE_MEM,
122 static struct platform_device bfin_sir_device = {
125 .num_resources = ARRAY_SIZE(bfin_sir_resources),
126 .resource = bfin_sir_resources,
131 * USB-LAN EzExtender board
132 * Driver needs to know address, irq and flag pin.
134 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
135 static struct resource smc91x_resources[] = {
137 .name = "smc91x-regs",
139 .end = 0x20310300 + 16,
140 .flags = IORESOURCE_MEM,
144 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
147 static struct platform_device smc91x_device = {
150 .num_resources = ARRAY_SIZE(smc91x_resources),
151 .resource = smc91x_resources,
155 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
156 /* all SPI peripherals info goes here */
157 #if defined(CONFIG_MTD_M25P80) \
158 || defined(CONFIG_MTD_M25P80_MODULE)
159 /* SPI flash chip (m25p16) */
160 static struct mtd_partition bfin_spi_flash_partitions[] = {
162 .name = "bootloader(spi)",
165 .mask_flags = MTD_CAP_ROM
167 .name = "linux kernel(spi)",
173 static struct flash_platform_data bfin_spi_flash_data = {
175 .parts = bfin_spi_flash_partitions,
176 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
180 static struct bfin5xx_spi_chip spi_flash_chip_info = {
181 .enable_dma = 0, /* use dma transfer with this chip*/
183 .cs_change_per_word = 0,
187 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
188 #include <linux/spi/ad7879.h>
189 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
190 .model = 7879, /* Model = AD7879 */
191 .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
192 .pressure_max = 10000,
194 .first_conversion_delay = 3, /* wait 512us before do a first conversion */
195 .acquisition_time = 1, /* 4us acquisition time per sample */
196 .median = 2, /* do 8 measurements */
197 .averaging = 1, /* take the average of 4 middle samples */
198 .pen_down_acc_interval = 255, /* 9.4 ms */
199 .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */
200 .gpio_default = 1, /* During initialization set GPIO = HIGH */
204 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
205 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
211 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
212 #include <asm/bfin-lq035q1.h>
214 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
215 .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
216 .use_bl = 0, /* let something else control the LCD Blacklight */
220 static struct resource bfin_lq035q1_resources[] = {
222 .start = IRQ_PPI_ERROR,
223 .end = IRQ_PPI_ERROR,
224 .flags = IORESOURCE_IRQ,
228 static struct platform_device bfin_lq035q1_device = {
229 .name = "bfin-lq035q1",
231 .num_resources = ARRAY_SIZE(bfin_lq035q1_resources),
232 .resource = bfin_lq035q1_resources,
234 .platform_data = &bfin_lq035q1_data,
239 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
240 static struct bfin5xx_spi_chip spidev_chip_info = {
246 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
247 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
253 static struct spi_board_info bf538_spi_board_info[] __initdata = {
254 #if defined(CONFIG_MTD_M25P80) \
255 || defined(CONFIG_MTD_M25P80_MODULE)
257 /* the modalias must be the same as spi device driver name */
258 .modalias = "m25p80", /* Name of spi_driver for this device */
259 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
260 .bus_num = 0, /* Framework bus number */
261 .chip_select = 1, /* SPI_SSEL1*/
262 .platform_data = &bfin_spi_flash_data,
263 .controller_data = &spi_flash_chip_info,
267 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
269 .modalias = "ad7879",
270 .platform_data = &bfin_ad7879_ts_info,
272 .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
275 .controller_data = &spi_ad7879_chip_info,
276 .mode = SPI_CPHA | SPI_CPOL,
279 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
281 .modalias = "bfin-lq035q1-spi",
282 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
285 .controller_data = &lq035q1_spi_chip_info,
286 .mode = SPI_CPHA | SPI_CPOL,
289 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
291 .modalias = "spidev",
292 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
295 .controller_data = &spidev_chip_info,
301 static struct resource bfin_spi0_resource[] = {
303 .start = SPI0_REGBASE,
304 .end = SPI0_REGBASE + 0xFF,
305 .flags = IORESOURCE_MEM,
310 .flags = IORESOURCE_IRQ,
315 static struct resource bfin_spi1_resource[] = {
317 .start = SPI1_REGBASE,
318 .end = SPI1_REGBASE + 0xFF,
319 .flags = IORESOURCE_MEM,
324 .flags = IORESOURCE_IRQ,
329 static struct resource bfin_spi2_resource[] = {
331 .start = SPI2_REGBASE,
332 .end = SPI2_REGBASE + 0xFF,
333 .flags = IORESOURCE_MEM,
338 .flags = IORESOURCE_IRQ,
342 /* SPI controller data */
343 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
345 .enable_dma = 1, /* master has the ability to do dma transfer */
346 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
349 static struct platform_device bf538_spi_master0 = {
351 .id = 0, /* Bus number */
352 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
353 .resource = bfin_spi0_resource,
355 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
359 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
361 .enable_dma = 1, /* master has the ability to do dma transfer */
362 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
365 static struct platform_device bf538_spi_master1 = {
367 .id = 1, /* Bus number */
368 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
369 .resource = bfin_spi1_resource,
371 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
375 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
377 .enable_dma = 1, /* master has the ability to do dma transfer */
378 .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
381 static struct platform_device bf538_spi_master2 = {
383 .id = 2, /* Bus number */
384 .num_resources = ARRAY_SIZE(bfin_spi2_resource),
385 .resource = bfin_spi2_resource,
387 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
391 #endif /* spi master and devices */
393 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
394 static struct resource bfin_twi0_resource[] = {
396 .start = TWI0_REGBASE,
397 .end = TWI0_REGBASE + 0xFF,
398 .flags = IORESOURCE_MEM,
403 .flags = IORESOURCE_IRQ,
407 static struct platform_device i2c_bfin_twi0_device = {
408 .name = "i2c-bfin-twi",
410 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
411 .resource = bfin_twi0_resource,
414 #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
415 static struct resource bfin_twi1_resource[] = {
417 .start = TWI1_REGBASE,
418 .end = TWI1_REGBASE + 0xFF,
419 .flags = IORESOURCE_MEM,
424 .flags = IORESOURCE_IRQ,
428 static struct platform_device i2c_bfin_twi1_device = {
429 .name = "i2c-bfin-twi",
431 .num_resources = ARRAY_SIZE(bfin_twi1_resource),
432 .resource = bfin_twi1_resource,
437 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
438 #include <linux/gpio_keys.h>
440 static struct gpio_keys_button bfin_gpio_keys_table[] = {
441 {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
444 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
445 .buttons = bfin_gpio_keys_table,
446 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
449 static struct platform_device bfin_device_gpiokeys = {
452 .platform_data = &bfin_gpio_keys_data,
457 static const unsigned int cclk_vlev_datasheet[] =
460 * Internal VLEV BF538SBBC1533
461 ****temporarily using these values until data sheet is updated
463 VRPAIR(VLEV_100, 150000000),
464 VRPAIR(VLEV_100, 250000000),
465 VRPAIR(VLEV_110, 276000000),
466 VRPAIR(VLEV_115, 301000000),
467 VRPAIR(VLEV_120, 525000000),
468 VRPAIR(VLEV_125, 550000000),
469 VRPAIR(VLEV_130, 600000000),
472 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
473 .tuple_tab = cclk_vlev_datasheet,
474 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
475 .vr_settling_time = 25 /* us */,
478 static struct platform_device bfin_dpmc = {
481 .platform_data = &bfin_dmpc_vreg_data,
485 static struct platform_device *cm_bf538_devices[] __initdata = {
489 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
493 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
497 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
503 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
504 &i2c_bfin_twi0_device,
505 &i2c_bfin_twi1_device,
508 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
512 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
516 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
517 &bfin_lq035q1_device,
520 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
521 &bfin_device_gpiokeys,
525 static int __init ezkit_init(void)
527 printk(KERN_INFO "%s(): registering device resources\n", __func__);
528 platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
530 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
531 spi_register_board_info(bf538_spi_board_info,
532 ARRAY_SIZE(bf538_spi_board_info));
538 arch_initcall(ezkit_init);