2 * linux/arch/arm/mach-at91/board-sam9261ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/types.h>
23 #include <linux/gpio.h>
24 #include <linux/init.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/spi/at73c213.h>
31 #include <linux/clk.h>
32 #include <linux/dm9000.h>
34 #include <linux/gpio_keys.h>
35 #include <linux/input.h>
37 #include <video/atmel_lcdc.h>
39 #include <asm/setup.h>
40 #include <asm/mach-types.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
47 #include <mach/hardware.h>
48 #include <mach/board.h>
49 #include <mach/at91sam9_smc.h>
50 #include <mach/at91_shdwc.h>
51 #include <mach/system_rev.h>
57 static void __init ek_init_early(void)
59 /* Initialize processor: 18.432 MHz crystal */
60 at91_initialize(18432000);
64 * DM9000 ethernet device
66 #if defined(CONFIG_DM9000)
67 static struct resource dm9000_resource[] = {
69 .start = AT91_CHIPSELECT_2,
70 .end = AT91_CHIPSELECT_2 + 3,
71 .flags = IORESOURCE_MEM
74 .start = AT91_CHIPSELECT_2 + 0x44,
75 .end = AT91_CHIPSELECT_2 + 0xFF,
76 .flags = IORESOURCE_MEM
79 .flags = IORESOURCE_IRQ
80 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
84 static struct dm9000_plat_data dm9000_platdata = {
85 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
88 static struct platform_device dm9000_device = {
91 .num_resources = ARRAY_SIZE(dm9000_resource),
92 .resource = dm9000_resource,
94 .platform_data = &dm9000_platdata,
99 * SMC timings for the DM9000.
100 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
102 static struct sam9_smc_config __initdata dm9000_smc_config = {
105 .ncs_write_setup = 0,
110 .ncs_write_pulse = 8,
116 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
120 static void __init ek_add_device_dm9000(void)
122 struct resource *r = &dm9000_resource[2];
124 /* Configure chip-select 2 (DM9000) */
125 sam9_smc_configure(0, 2, &dm9000_smc_config);
127 /* Configure Reset signal as output */
128 at91_set_gpio_output(AT91_PIN_PC10, 0);
130 /* Configure Interrupt pin as input, no pull-up */
131 at91_set_gpio_input(AT91_PIN_PC11, 0);
133 r->start = r->end = gpio_to_irq(AT91_PIN_PC11);
134 platform_device_register(&dm9000_device);
137 static void __init ek_add_device_dm9000(void) {}
138 #endif /* CONFIG_DM9000 */
144 static struct at91_usbh_data __initdata ek_usbh_data = {
146 .vbus_pin = {-EINVAL, -EINVAL},
147 .overcurrent_pin= {-EINVAL, -EINVAL},
154 static struct at91_udc_data __initdata ek_udc_data = {
155 .vbus_pin = AT91_PIN_PB29,
156 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
163 static struct mtd_partition __initdata ek_nand_partition[] = {
165 .name = "Partition 1",
170 .name = "Partition 2",
171 .offset = MTDPART_OFS_NXTBLK,
172 .size = MTDPART_SIZ_FULL,
176 static struct atmel_nand_data __initdata ek_nand_data = {
180 .rdy_pin = AT91_PIN_PC15,
181 .enable_pin = AT91_PIN_PC14,
182 .ecc_mode = NAND_ECC_SOFT,
184 .parts = ek_nand_partition,
185 .num_parts = ARRAY_SIZE(ek_nand_partition),
188 static struct sam9_smc_config __initdata ek_nand_smc_config = {
191 .ncs_write_setup = 0,
196 .ncs_write_pulse = 3,
202 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
206 static void __init ek_add_device_nand(void)
208 ek_nand_data.bus_width_16 = board_have_nand_16bit();
209 /* setup bus-width (8 or 16) */
210 if (ek_nand_data.bus_width_16)
211 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
213 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
215 /* configure chip-select 3 (NAND) */
216 sam9_smc_configure(0, 3, &ek_nand_smc_config);
218 at91_add_device_nand(&ek_nand_data);
222 * SPI related devices
224 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
227 * ADS7846 Touchscreen
229 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
231 static int ads7843_pendown_state(void)
233 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
236 static struct ads7846_platform_data ads_info = {
242 .vref_delay_usecs = 100,
245 .pressure_max = 15000,
248 .debounce_tol = (~0),
249 .get_pendown_state = ads7843_pendown_state,
252 static void __init ek_add_device_ts(void)
254 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
255 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
258 static void __init ek_add_device_ts(void) {}
264 static struct at73c213_board_info at73c213_data = {
266 #if defined(CONFIG_MACH_AT91SAM9261EK)
267 .shortname = "AT91SAM9261-EK external DAC",
269 .shortname = "AT91SAM9G10-EK external DAC",
273 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
274 static void __init at73c213_set_clk(struct at73c213_board_info *info)
279 pck2 = clk_get(NULL, "pck2");
280 plla = clk_get(NULL, "plla");
282 /* AT73C213 MCK Clock */
283 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
285 clk_set_parent(pck2, plla);
288 info->dac_clk = pck2;
291 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
297 static struct spi_board_info ek_spi_devices[] = {
298 { /* DataFlash chip */
299 .modalias = "mtd_dataflash",
301 .max_speed_hz = 15 * 1000 * 1000,
304 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
306 .modalias = "ads7846",
308 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
310 .platform_data = &ads_info,
311 .irq = AT91SAM9261_ID_IRQ0,
312 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
315 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
316 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
317 .modalias = "mtd_dataflash",
319 .max_speed_hz = 15 * 1000 * 1000,
322 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
324 .modalias = "at73c213",
326 .max_speed_hz = 10 * 1000 * 1000,
329 .platform_data = &at73c213_data,
330 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
335 #else /* CONFIG_SPI_ATMEL_* */
336 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
340 * det_pin, wp_pin and vcc_pin are not connected
342 static struct at91_mmc_data __initdata ek_mmc_data = {
349 #endif /* CONFIG_SPI_ATMEL_* */
355 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
357 #if defined(CONFIG_FB_ATMEL_STN)
360 static struct fb_videomode at91_stn_modes[] = {
362 .name = "SP06Q002 @ 75",
364 .xres = 320, .yres = 240,
365 .pixclock = KHZ2PICOS(1440),
367 .left_margin = 1, .right_margin = 1,
368 .upper_margin = 0, .lower_margin = 0,
369 .hsync_len = 1, .vsync_len = 1,
371 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
372 .vmode = FB_VMODE_NONINTERLACED,
376 static struct fb_monspecs at91fb_default_stn_monspecs = {
377 .manufacturer = "HIT",
378 .monitor = "SP06Q002",
380 .modedb = at91_stn_modes,
381 .modedb_len = ARRAY_SIZE(at91_stn_modes),
388 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
389 | ATMEL_LCDC_DISTYPE_STNMONO \
390 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
391 | ATMEL_LCDC_IFWIDTH_4 \
392 | ATMEL_LCDC_SCANMOD_SINGLE)
394 static void at91_lcdc_stn_power_control(int on)
397 if (on) { /* power up */
398 at91_set_gpio_value(AT91_PIN_PC14, 0);
399 at91_set_gpio_value(AT91_PIN_PC15, 0);
400 } else { /* power down */
401 at91_set_gpio_value(AT91_PIN_PC14, 1);
402 at91_set_gpio_value(AT91_PIN_PC15, 1);
406 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
408 .default_dmacon = ATMEL_LCDC_DMAEN,
409 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
410 .default_monspecs = &at91fb_default_stn_monspecs,
411 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
413 #if defined(CONFIG_MACH_AT91SAM9G10EK)
414 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
421 static struct fb_videomode at91_tft_vga_modes[] = {
423 .name = "TX09D50VM1CCA @ 60",
425 .xres = 240, .yres = 320,
426 .pixclock = KHZ2PICOS(4965),
428 .left_margin = 1, .right_margin = 33,
429 .upper_margin = 1, .lower_margin = 0,
430 .hsync_len = 5, .vsync_len = 1,
432 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
433 .vmode = FB_VMODE_NONINTERLACED,
437 static struct fb_monspecs at91fb_default_tft_monspecs = {
438 .manufacturer = "HIT",
439 .monitor = "TX09D50VM1CCA",
441 .modedb = at91_tft_vga_modes,
442 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
449 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
450 | ATMEL_LCDC_DISTYPE_TFT \
451 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
453 static void at91_lcdc_tft_power_control(int on)
456 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
458 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
461 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
462 .lcdcon_is_backlight = true,
464 .default_dmacon = ATMEL_LCDC_DMAEN,
465 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
466 .default_monspecs = &at91fb_default_tft_monspecs,
467 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
469 #if defined(CONFIG_MACH_AT91SAM9G10EK)
470 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
476 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
483 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
484 static struct gpio_keys_button ek_buttons[] = {
486 .gpio = AT91_PIN_PA27,
493 .gpio = AT91_PIN_PA26,
500 .gpio = AT91_PIN_PA25,
507 .gpio = AT91_PIN_PA24,
515 static struct gpio_keys_platform_data ek_button_data = {
516 .buttons = ek_buttons,
517 .nbuttons = ARRAY_SIZE(ek_buttons),
520 static struct platform_device ek_button_device = {
525 .platform_data = &ek_button_data,
529 static void __init ek_add_device_buttons(void)
531 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
532 at91_set_deglitch(AT91_PIN_PA27, 1);
533 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
534 at91_set_deglitch(AT91_PIN_PA26, 1);
535 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
536 at91_set_deglitch(AT91_PIN_PA25, 1);
537 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
538 at91_set_deglitch(AT91_PIN_PA24, 1);
540 platform_device_register(&ek_button_device);
543 static void __init ek_add_device_buttons(void) {}
549 static struct gpio_led ek_leds[] = {
550 { /* "bottom" led, green, userled1 to be defined */
552 .gpio = AT91_PIN_PA14,
554 .default_trigger = "none",
556 { /* "top" led, green, userled2 to be defined */
558 .gpio = AT91_PIN_PA13,
560 .default_trigger = "none",
562 { /* "power" led, yellow */
564 .gpio = AT91_PIN_PA23,
565 .default_trigger = "heartbeat",
569 static void __init ek_board_init(void)
572 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
575 /* DBGU on ttyS0. (Rx & Tx only) */
576 at91_register_uart(0, 0, 0);
577 at91_add_device_serial();
579 at91_add_device_usbh(&ek_usbh_data);
581 at91_add_device_udc(&ek_udc_data);
583 at91_add_device_i2c(NULL, 0);
585 ek_add_device_nand();
586 /* DM9000 ethernet */
587 ek_add_device_dm9000();
589 /* spi0 and mmc/sd share the same PIO pins */
590 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
592 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
595 /* SSC (to AT73C213) */
596 at73c213_set_clk(&at73c213_data);
597 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
600 at91_add_device_mmc(0, &ek_mmc_data);
603 at91_add_device_lcdc(&ek_lcdc_data);
605 ek_add_device_buttons();
607 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
610 #if defined(CONFIG_MACH_AT91SAM9261EK)
611 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
613 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
615 /* Maintainer: Atmel */
616 .timer = &at91sam926x_timer,
617 .map_io = at91_map_io,
618 .init_early = ek_init_early,
619 .init_irq = at91_init_irq_default,
620 .init_machine = ek_board_init,