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/irq.h>
16 #include <linux/interrupt.h>
17 #include <linux/delay.h>
19 #include <asm/bfin5xx_spi.h>
20 #include <asm/portmux.h>
24 * Name the Board for the /proc/cpuinfo
26 const char bfin_board_name
[] = "ADI BF561-EZKIT";
28 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
29 #include <linux/usb/isp1760.h>
30 static struct resource bfin_isp1760_resources
[] = {
33 .end
= 0x203C0000 + 0xfffff,
34 .flags
= IORESOURCE_MEM
,
39 .flags
= IORESOURCE_IRQ
,
43 static struct isp1760_platform_data isp1760_priv
= {
48 .dack_polarity_high
= 0,
49 .dreq_polarity_high
= 0,
52 static struct platform_device bfin_isp1760_device
= {
56 .platform_data
= &isp1760_priv
,
58 .num_resources
= ARRAY_SIZE(bfin_isp1760_resources
),
59 .resource
= bfin_isp1760_resources
,
63 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
64 #include <linux/usb/isp1362.h>
66 static struct resource isp1362_hcd_resources
[] = {
70 .flags
= IORESOURCE_MEM
,
74 .flags
= IORESOURCE_MEM
,
78 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
82 static struct isp1362_platform_data isp1362_priv
= {
87 .int_edge_triggered
= 0,
88 .remote_wakeup_connected
= 0,
89 .no_power_switching
= 1,
90 .power_switching_mode
= 0,
93 static struct platform_device isp1362_hcd_device
= {
94 .name
= "isp1362-hcd",
97 .platform_data
= &isp1362_priv
,
99 .num_resources
= ARRAY_SIZE(isp1362_hcd_resources
),
100 .resource
= isp1362_hcd_resources
,
104 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
105 static struct resource net2272_bfin_resources
[] = {
108 .end
= 0x2C000000 + 0x7F,
109 .flags
= IORESOURCE_MEM
,
113 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
117 static struct platform_device net2272_bfin_device
= {
120 .num_resources
= ARRAY_SIZE(net2272_bfin_resources
),
121 .resource
= net2272_bfin_resources
,
126 * USB-LAN EzExtender board
127 * Driver needs to know address, irq and flag pin.
129 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
130 #include <linux/smc91x.h>
132 static struct smc91x_platdata smc91x_info
= {
133 .flags
= SMC91X_USE_32BIT
| SMC91X_NOWAIT
,
134 .leda
= RPC_LED_100_10
,
135 .ledb
= RPC_LED_TX_RX
,
138 static struct resource smc91x_resources
[] = {
140 .name
= "smc91x-regs",
142 .end
= 0x2C010300 + 16,
143 .flags
= IORESOURCE_MEM
,
148 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
152 static struct platform_device smc91x_device
= {
155 .num_resources
= ARRAY_SIZE(smc91x_resources
),
156 .resource
= smc91x_resources
,
158 .platform_data
= &smc91x_info
,
163 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
164 #ifdef CONFIG_SERIAL_BFIN_UART0
165 static struct resource bfin_uart0_resources
[] = {
167 .start
= BFIN_UART_THR
,
168 .end
= BFIN_UART_GCTL
+2,
169 .flags
= IORESOURCE_MEM
,
172 .start
= IRQ_UART_RX
,
173 .end
= IRQ_UART_RX
+1,
174 .flags
= IORESOURCE_IRQ
,
177 .start
= IRQ_UART_ERROR
,
178 .end
= IRQ_UART_ERROR
,
179 .flags
= IORESOURCE_IRQ
,
184 .flags
= IORESOURCE_DMA
,
189 .flags
= IORESOURCE_DMA
,
193 static unsigned short bfin_uart0_peripherals
[] = {
194 P_UART0_TX
, P_UART0_RX
, 0
197 static struct platform_device bfin_uart0_device
= {
200 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
201 .resource
= bfin_uart0_resources
,
203 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
209 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
210 #ifdef CONFIG_BFIN_SIR0
211 static struct resource bfin_sir0_resources
[] = {
215 .flags
= IORESOURCE_MEM
,
218 .start
= IRQ_UART0_RX
,
219 .end
= IRQ_UART0_RX
+1,
220 .flags
= IORESOURCE_IRQ
,
223 .start
= CH_UART0_RX
,
224 .end
= CH_UART0_RX
+1,
225 .flags
= IORESOURCE_DMA
,
229 static struct platform_device bfin_sir0_device
= {
232 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
233 .resource
= bfin_sir0_resources
,
238 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
239 static struct mtd_partition ezkit_partitions
[] = {
241 .name
= "bootloader(nor)",
245 .name
= "linux kernel(nor)",
247 .offset
= MTDPART_OFS_APPEND
,
249 .name
= "file system(nor)",
250 .size
= 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
251 .offset
= MTDPART_OFS_APPEND
,
253 .name
= "config(nor)",
255 .offset
= MTDPART_OFS_APPEND
,
257 .name
= "u-boot env(nor)",
259 .offset
= MTDPART_OFS_APPEND
,
263 static struct physmap_flash_data ezkit_flash_data
= {
265 .parts
= ezkit_partitions
,
266 .nr_parts
= ARRAY_SIZE(ezkit_partitions
),
269 static struct resource ezkit_flash_resource
= {
272 .flags
= IORESOURCE_MEM
,
275 static struct platform_device ezkit_flash_device
= {
276 .name
= "physmap-flash",
279 .platform_data
= &ezkit_flash_data
,
282 .resource
= &ezkit_flash_resource
,
286 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
287 || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
288 static struct bfin5xx_spi_chip ad1836_spi_chip_info
= {
294 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
295 static struct bfin5xx_spi_chip spidev_chip_info
= {
301 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
303 static struct resource bfin_spi0_resource
[] = {
305 .start
= SPI0_REGBASE
,
306 .end
= SPI0_REGBASE
+ 0xFF,
307 .flags
= IORESOURCE_MEM
,
312 .flags
= IORESOURCE_DMA
,
317 .flags
= IORESOURCE_IRQ
,
321 /* SPI controller data */
322 static struct bfin5xx_spi_master bfin_spi0_info
= {
324 .enable_dma
= 1, /* master has the ability to do dma transfer */
325 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
328 static struct platform_device bfin_spi0_device
= {
330 .id
= 0, /* Bus number */
331 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
332 .resource
= bfin_spi0_resource
,
334 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
339 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
340 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
341 || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
343 .modalias
= "ad183x",
344 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
347 .platform_data
= "ad1836", /* only includes chip name for the moment */
348 .controller_data
= &ad1836_spi_chip_info
,
352 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
354 .modalias
= "spidev",
355 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
358 .controller_data
= &spidev_chip_info
,
363 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
364 #include <linux/input.h>
365 #include <linux/gpio_keys.h>
367 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
368 {BTN_0
, GPIO_PF5
, 1, "gpio-keys: BTN0"},
369 {BTN_1
, GPIO_PF6
, 1, "gpio-keys: BTN1"},
370 {BTN_2
, GPIO_PF7
, 1, "gpio-keys: BTN2"},
371 {BTN_3
, GPIO_PF8
, 1, "gpio-keys: BTN3"},
374 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
375 .buttons
= bfin_gpio_keys_table
,
376 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
379 static struct platform_device bfin_device_gpiokeys
= {
382 .platform_data
= &bfin_gpio_keys_data
,
387 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
388 #include <linux/i2c-gpio.h>
390 static struct i2c_gpio_platform_data i2c_gpio_data
= {
393 .sda_is_open_drain
= 0,
394 .scl_is_open_drain
= 0,
398 static struct platform_device i2c_gpio_device
= {
402 .platform_data
= &i2c_gpio_data
,
407 static const unsigned int cclk_vlev_datasheet
[] =
409 VRPAIR(VLEV_085
, 250000000),
410 VRPAIR(VLEV_090
, 300000000),
411 VRPAIR(VLEV_095
, 313000000),
412 VRPAIR(VLEV_100
, 350000000),
413 VRPAIR(VLEV_105
, 400000000),
414 VRPAIR(VLEV_110
, 444000000),
415 VRPAIR(VLEV_115
, 450000000),
416 VRPAIR(VLEV_120
, 475000000),
417 VRPAIR(VLEV_125
, 500000000),
418 VRPAIR(VLEV_130
, 600000000),
421 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
422 .tuple_tab
= cclk_vlev_datasheet
,
423 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
424 .vr_settling_time
= 25 /* us */,
427 static struct platform_device bfin_dpmc
= {
430 .platform_data
= &bfin_dmpc_vreg_data
,
434 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
435 static struct platform_device bfin_i2s
= {
437 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
438 /* TODO: add platform data here */
442 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
443 static struct platform_device bfin_tdm
= {
445 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
446 /* TODO: add platform data here */
450 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
451 static struct platform_device bfin_ac97
= {
453 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
454 /* TODO: add platform data here */
458 static struct platform_device
*ezkit_devices
[] __initdata
= {
462 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
466 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
467 &net2272_bfin_device
,
470 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
471 &bfin_isp1760_device
,
474 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
478 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
479 #ifdef CONFIG_SERIAL_BFIN_UART0
484 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
485 #ifdef CONFIG_BFIN_SIR0
490 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
491 &bfin_device_gpiokeys
,
494 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
498 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
502 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
506 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
510 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
514 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
519 static int __init
ezkit_init(void)
523 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
525 ret
= platform_add_devices(ezkit_devices
, ARRAY_SIZE(ezkit_devices
));
529 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
530 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
534 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
535 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
536 bfin_write_FIO0_FLAG_S(1 << 15);
539 * This initialization lasts for approximately 4500 MCLKs.
545 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
549 arch_initcall(ezkit_init
);
551 static struct platform_device
*ezkit_early_devices
[] __initdata
= {
552 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
553 #ifdef CONFIG_SERIAL_BFIN_UART0
559 void __init
native_machine_early_platform_add_devices(void)
561 printk(KERN_INFO
"register early platform devices\n");
562 early_platform_add_devices(ezkit_early_devices
,
563 ARRAY_SIZE(ezkit_early_devices
));