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 #ifdef CONFIG_BFIN_SIR0
99 static struct resource bfin_sir0_resources
[] = {
103 .flags
= IORESOURCE_MEM
,
106 .start
= IRQ_UART0_RX
,
107 .end
= IRQ_UART0_RX
+1,
108 .flags
= IORESOURCE_IRQ
,
111 .start
= CH_UART0_RX
,
112 .end
= CH_UART0_RX
+1,
113 .flags
= IORESOURCE_DMA
,
116 static struct platform_device bfin_sir0_device
= {
119 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
120 .resource
= bfin_sir0_resources
,
123 #ifdef CONFIG_BFIN_SIR1
124 static struct resource bfin_sir1_resources
[] = {
128 .flags
= IORESOURCE_MEM
,
131 .start
= IRQ_UART1_RX
,
132 .end
= IRQ_UART1_RX
+1,
133 .flags
= IORESOURCE_IRQ
,
136 .start
= CH_UART1_RX
,
137 .end
= CH_UART1_RX
+1,
138 .flags
= IORESOURCE_DMA
,
141 static struct platform_device bfin_sir1_device
= {
144 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
145 .resource
= bfin_sir1_resources
,
148 #ifdef CONFIG_BFIN_SIR2
149 static struct resource bfin_sir2_resources
[] = {
153 .flags
= IORESOURCE_MEM
,
156 .start
= IRQ_UART2_RX
,
157 .end
= IRQ_UART2_RX
+1,
158 .flags
= IORESOURCE_IRQ
,
161 .start
= CH_UART2_RX
,
162 .end
= CH_UART2_RX
+1,
163 .flags
= IORESOURCE_DMA
,
166 static struct platform_device bfin_sir2_device
= {
169 .num_resources
= ARRAY_SIZE(bfin_sir2_resources
),
170 .resource
= bfin_sir2_resources
,
176 * USB-LAN EzExtender board
177 * Driver needs to know address, irq and flag pin.
179 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
180 #include <linux/smc91x.h>
182 static struct smc91x_platdata smc91x_info
= {
183 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
184 .leda
= RPC_LED_100_10
,
185 .ledb
= RPC_LED_TX_RX
,
188 static struct resource smc91x_resources
[] = {
190 .name
= "smc91x-regs",
192 .end
= 0x20310300 + 16,
193 .flags
= IORESOURCE_MEM
,
197 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
200 static struct platform_device smc91x_device
= {
203 .num_resources
= ARRAY_SIZE(smc91x_resources
),
204 .resource
= smc91x_resources
,
206 .platform_data
= &smc91x_info
,
211 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
212 /* all SPI peripherals info goes here */
213 #if defined(CONFIG_MTD_M25P80) \
214 || defined(CONFIG_MTD_M25P80_MODULE)
215 /* SPI flash chip (m25p16) */
216 static struct mtd_partition bfin_spi_flash_partitions
[] = {
218 .name
= "bootloader(spi)",
221 .mask_flags
= MTD_CAP_ROM
223 .name
= "linux kernel(spi)",
229 static struct flash_platform_data bfin_spi_flash_data
= {
231 .parts
= bfin_spi_flash_partitions
,
232 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
236 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
237 .enable_dma
= 0, /* use dma transfer with this chip*/
239 .cs_change_per_word
= 0,
243 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
244 #include <linux/spi/ad7879.h>
245 static const struct ad7879_platform_data bfin_ad7879_ts_info
= {
246 .model
= 7879, /* Model = AD7879 */
247 .x_plate_ohms
= 620, /* 620 Ohm from the touch datasheet */
248 .pressure_max
= 10000,
250 .first_conversion_delay
= 3, /* wait 512us before do a first conversion */
251 .acquisition_time
= 1, /* 4us acquisition time per sample */
252 .median
= 2, /* do 8 measurements */
253 .averaging
= 1, /* take the average of 4 middle samples */
254 .pen_down_acc_interval
= 255, /* 9.4 ms */
255 .gpio_output
= 1, /* configure AUX/VBAT/GPIO as GPIO output */
256 .gpio_default
= 1, /* During initialization set GPIO = HIGH */
260 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
261 static struct bfin5xx_spi_chip spi_ad7879_chip_info
= {
267 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
268 #include <asm/bfin-lq035q1.h>
270 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data
= {
271 .mode
= LQ035_NORM
| LQ035_RGB
| LQ035_RL
| LQ035_TB
,
272 .use_bl
= 0, /* let something else control the LCD Blacklight */
276 static struct resource bfin_lq035q1_resources
[] = {
278 .start
= IRQ_PPI_ERROR
,
279 .end
= IRQ_PPI_ERROR
,
280 .flags
= IORESOURCE_IRQ
,
284 static struct platform_device bfin_lq035q1_device
= {
285 .name
= "bfin-lq035q1",
287 .num_resources
= ARRAY_SIZE(bfin_lq035q1_resources
),
288 .resource
= bfin_lq035q1_resources
,
290 .platform_data
= &bfin_lq035q1_data
,
295 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
296 static struct bfin5xx_spi_chip spidev_chip_info
= {
302 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
303 static struct bfin5xx_spi_chip lq035q1_spi_chip_info
= {
309 static struct spi_board_info bf538_spi_board_info
[] __initdata
= {
310 #if defined(CONFIG_MTD_M25P80) \
311 || defined(CONFIG_MTD_M25P80_MODULE)
313 /* the modalias must be the same as spi device driver name */
314 .modalias
= "m25p80", /* Name of spi_driver for this device */
315 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
316 .bus_num
= 0, /* Framework bus number */
317 .chip_select
= 1, /* SPI_SSEL1*/
318 .platform_data
= &bfin_spi_flash_data
,
319 .controller_data
= &spi_flash_chip_info
,
323 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
325 .modalias
= "ad7879",
326 .platform_data
= &bfin_ad7879_ts_info
,
328 .max_speed_hz
= 5000000, /* max spi clock (SCK) speed in HZ */
331 .controller_data
= &spi_ad7879_chip_info
,
332 .mode
= SPI_CPHA
| SPI_CPOL
,
335 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
337 .modalias
= "bfin-lq035q1-spi",
338 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
341 .controller_data
= &lq035q1_spi_chip_info
,
342 .mode
= SPI_CPHA
| SPI_CPOL
,
345 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
347 .modalias
= "spidev",
348 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
351 .controller_data
= &spidev_chip_info
,
357 static struct resource bfin_spi0_resource
[] = {
359 .start
= SPI0_REGBASE
,
360 .end
= SPI0_REGBASE
+ 0xFF,
361 .flags
= IORESOURCE_MEM
,
366 .flags
= IORESOURCE_DMA
,
371 .flags
= IORESOURCE_IRQ
,
376 static struct resource bfin_spi1_resource
[] = {
378 .start
= SPI1_REGBASE
,
379 .end
= SPI1_REGBASE
+ 0xFF,
380 .flags
= IORESOURCE_MEM
,
385 .flags
= IORESOURCE_DMA
,
390 .flags
= IORESOURCE_IRQ
,
395 static struct resource bfin_spi2_resource
[] = {
397 .start
= SPI2_REGBASE
,
398 .end
= SPI2_REGBASE
+ 0xFF,
399 .flags
= IORESOURCE_MEM
,
404 .flags
= IORESOURCE_IRQ
,
408 /* SPI controller data */
409 static struct bfin5xx_spi_master bf538_spi_master_info0
= {
411 .enable_dma
= 1, /* master has the ability to do dma transfer */
412 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
415 static struct platform_device bf538_spi_master0
= {
417 .id
= 0, /* Bus number */
418 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
419 .resource
= bfin_spi0_resource
,
421 .platform_data
= &bf538_spi_master_info0
, /* Passed to driver */
425 static struct bfin5xx_spi_master bf538_spi_master_info1
= {
427 .enable_dma
= 1, /* master has the ability to do dma transfer */
428 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
431 static struct platform_device bf538_spi_master1
= {
433 .id
= 1, /* Bus number */
434 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
435 .resource
= bfin_spi1_resource
,
437 .platform_data
= &bf538_spi_master_info1
, /* Passed to driver */
441 static struct bfin5xx_spi_master bf538_spi_master_info2
= {
443 .enable_dma
= 1, /* master has the ability to do dma transfer */
444 .pin_req
= {P_SPI2_SCK
, P_SPI2_MISO
, P_SPI2_MOSI
, 0},
447 static struct platform_device bf538_spi_master2
= {
449 .id
= 2, /* Bus number */
450 .num_resources
= ARRAY_SIZE(bfin_spi2_resource
),
451 .resource
= bfin_spi2_resource
,
453 .platform_data
= &bf538_spi_master_info2
, /* Passed to driver */
457 #endif /* spi master and devices */
459 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
460 static struct resource bfin_twi0_resource
[] = {
462 .start
= TWI0_REGBASE
,
463 .end
= TWI0_REGBASE
+ 0xFF,
464 .flags
= IORESOURCE_MEM
,
469 .flags
= IORESOURCE_IRQ
,
473 static struct platform_device i2c_bfin_twi0_device
= {
474 .name
= "i2c-bfin-twi",
476 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
477 .resource
= bfin_twi0_resource
,
480 #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
481 static struct resource bfin_twi1_resource
[] = {
483 .start
= TWI1_REGBASE
,
484 .end
= TWI1_REGBASE
+ 0xFF,
485 .flags
= IORESOURCE_MEM
,
490 .flags
= IORESOURCE_IRQ
,
494 static struct platform_device i2c_bfin_twi1_device
= {
495 .name
= "i2c-bfin-twi",
497 .num_resources
= ARRAY_SIZE(bfin_twi1_resource
),
498 .resource
= bfin_twi1_resource
,
503 static struct resource bfin_gpios_resources
= {
505 .end
= MAX_BLACKFIN_GPIOS
- 1,
506 .flags
= IORESOURCE_IRQ
,
509 static struct platform_device bfin_gpios_device
= {
510 .name
= "simple-gpio",
513 .resource
= &bfin_gpios_resources
,
516 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
517 #include <linux/gpio_keys.h>
519 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
520 {BTN_0
, GPIO_PC7
, 1, "gpio-keys: BTN0"},
523 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
524 .buttons
= bfin_gpio_keys_table
,
525 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
528 static struct platform_device bfin_device_gpiokeys
= {
531 .platform_data
= &bfin_gpio_keys_data
,
536 static const unsigned int cclk_vlev_datasheet
[] =
539 * Internal VLEV BF538SBBC1533
540 ****temporarily using these values until data sheet is updated
542 VRPAIR(VLEV_100
, 150000000),
543 VRPAIR(VLEV_100
, 250000000),
544 VRPAIR(VLEV_110
, 276000000),
545 VRPAIR(VLEV_115
, 301000000),
546 VRPAIR(VLEV_120
, 525000000),
547 VRPAIR(VLEV_125
, 550000000),
548 VRPAIR(VLEV_130
, 600000000),
551 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
552 .tuple_tab
= cclk_vlev_datasheet
,
553 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
554 .vr_settling_time
= 25 /* us */,
557 static struct platform_device bfin_dpmc
= {
560 .platform_data
= &bfin_dmpc_vreg_data
,
564 static struct platform_device
*cm_bf538_devices
[] __initdata
= {
568 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
572 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
576 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
582 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
583 &i2c_bfin_twi0_device
,
584 &i2c_bfin_twi1_device
,
587 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
588 #ifdef CONFIG_BFIN_SIR0
591 #ifdef CONFIG_BFIN_SIR1
594 #ifdef CONFIG_BFIN_SIR2
599 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
603 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
604 &bfin_lq035q1_device
,
607 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
608 &bfin_device_gpiokeys
,
614 static int __init
ezkit_init(void)
616 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
617 platform_add_devices(cm_bf538_devices
, ARRAY_SIZE(cm_bf538_devices
));
619 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
620 spi_register_board_info(bf538_spi_board_info
,
621 ARRAY_SIZE(bf538_spi_board_info
));
627 arch_initcall(ezkit_init
);