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);
63 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
65 /* DBGU on ttyS0. (Rx & Tx only) */
66 at91_register_uart(0, 0, 0);
68 /* set serial console to ttyS0 (ie, DBGU) */
69 at91_set_serial_console(0);
73 * DM9000 ethernet device
75 #if defined(CONFIG_DM9000)
76 static struct resource dm9000_resource[] = {
78 .start = AT91_CHIPSELECT_2,
79 .end = AT91_CHIPSELECT_2 + 3,
80 .flags = IORESOURCE_MEM
83 .start = AT91_CHIPSELECT_2 + 0x44,
84 .end = AT91_CHIPSELECT_2 + 0xFF,
85 .flags = IORESOURCE_MEM
88 .start = AT91_PIN_PC11,
90 .flags = IORESOURCE_IRQ
91 | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
95 static struct dm9000_plat_data dm9000_platdata = {
96 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
99 static struct platform_device dm9000_device = {
102 .num_resources = ARRAY_SIZE(dm9000_resource),
103 .resource = dm9000_resource,
105 .platform_data = &dm9000_platdata,
110 * SMC timings for the DM9000.
111 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
113 static struct sam9_smc_config __initdata dm9000_smc_config = {
116 .ncs_write_setup = 0,
121 .ncs_write_pulse = 8,
127 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
131 static void __init ek_add_device_dm9000(void)
133 /* Configure chip-select 2 (DM9000) */
134 sam9_smc_configure(0, 2, &dm9000_smc_config);
136 /* Configure Reset signal as output */
137 at91_set_gpio_output(AT91_PIN_PC10, 0);
139 /* Configure Interrupt pin as input, no pull-up */
140 at91_set_gpio_input(AT91_PIN_PC11, 0);
142 platform_device_register(&dm9000_device);
145 static void __init ek_add_device_dm9000(void) {}
146 #endif /* CONFIG_DM9000 */
152 static struct at91_usbh_data __initdata ek_usbh_data = {
154 .vbus_pin = {-EINVAL, -EINVAL},
155 .overcurrent_pin= {-EINVAL, -EINVAL},
162 static struct at91_udc_data __initdata ek_udc_data = {
163 .vbus_pin = AT91_PIN_PB29,
164 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
171 static struct mtd_partition __initdata ek_nand_partition[] = {
173 .name = "Partition 1",
178 .name = "Partition 2",
179 .offset = MTDPART_OFS_NXTBLK,
180 .size = MTDPART_SIZ_FULL,
184 static struct atmel_nand_data __initdata ek_nand_data = {
188 .rdy_pin = AT91_PIN_PC15,
189 .enable_pin = AT91_PIN_PC14,
190 .parts = ek_nand_partition,
191 .num_parts = ARRAY_SIZE(ek_nand_partition),
194 static struct sam9_smc_config __initdata ek_nand_smc_config = {
197 .ncs_write_setup = 0,
202 .ncs_write_pulse = 3,
208 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
212 static void __init ek_add_device_nand(void)
214 ek_nand_data.bus_width_16 = board_have_nand_16bit();
215 /* setup bus-width (8 or 16) */
216 if (ek_nand_data.bus_width_16)
217 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
219 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
221 /* configure chip-select 3 (NAND) */
222 sam9_smc_configure(0, 3, &ek_nand_smc_config);
224 at91_add_device_nand(&ek_nand_data);
228 * SPI related devices
230 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
233 * ADS7846 Touchscreen
235 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
237 static int ads7843_pendown_state(void)
239 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
242 static struct ads7846_platform_data ads_info = {
248 .vref_delay_usecs = 100,
251 .pressure_max = 15000,
254 .debounce_tol = (~0),
255 .get_pendown_state = ads7843_pendown_state,
258 static void __init ek_add_device_ts(void)
260 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
261 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
264 static void __init ek_add_device_ts(void) {}
270 static struct at73c213_board_info at73c213_data = {
272 #if defined(CONFIG_MACH_AT91SAM9261EK)
273 .shortname = "AT91SAM9261-EK external DAC",
275 .shortname = "AT91SAM9G10-EK external DAC",
279 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
280 static void __init at73c213_set_clk(struct at73c213_board_info *info)
285 pck2 = clk_get(NULL, "pck2");
286 plla = clk_get(NULL, "plla");
288 /* AT73C213 MCK Clock */
289 at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
291 clk_set_parent(pck2, plla);
294 info->dac_clk = pck2;
297 static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
303 static struct spi_board_info ek_spi_devices[] = {
304 { /* DataFlash chip */
305 .modalias = "mtd_dataflash",
307 .max_speed_hz = 15 * 1000 * 1000,
310 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
312 .modalias = "ads7846",
314 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
316 .platform_data = &ads_info,
317 .irq = AT91SAM9261_ID_IRQ0,
318 .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
321 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
322 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
323 .modalias = "mtd_dataflash",
325 .max_speed_hz = 15 * 1000 * 1000,
328 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
330 .modalias = "at73c213",
332 .max_speed_hz = 10 * 1000 * 1000,
335 .platform_data = &at73c213_data,
336 .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
341 #else /* CONFIG_SPI_ATMEL_* */
342 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
346 * det_pin, wp_pin and vcc_pin are not connected
348 static struct at91_mmc_data __initdata ek_mmc_data = {
355 #endif /* CONFIG_SPI_ATMEL_* */
361 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
363 #if defined(CONFIG_FB_ATMEL_STN)
366 static struct fb_videomode at91_stn_modes[] = {
368 .name = "SP06Q002 @ 75",
370 .xres = 320, .yres = 240,
371 .pixclock = KHZ2PICOS(1440),
373 .left_margin = 1, .right_margin = 1,
374 .upper_margin = 0, .lower_margin = 0,
375 .hsync_len = 1, .vsync_len = 1,
377 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
378 .vmode = FB_VMODE_NONINTERLACED,
382 static struct fb_monspecs at91fb_default_stn_monspecs = {
383 .manufacturer = "HIT",
384 .monitor = "SP06Q002",
386 .modedb = at91_stn_modes,
387 .modedb_len = ARRAY_SIZE(at91_stn_modes),
394 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
395 | ATMEL_LCDC_DISTYPE_STNMONO \
396 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
397 | ATMEL_LCDC_IFWIDTH_4 \
398 | ATMEL_LCDC_SCANMOD_SINGLE)
400 static void at91_lcdc_stn_power_control(int on)
403 if (on) { /* power up */
404 at91_set_gpio_value(AT91_PIN_PC14, 0);
405 at91_set_gpio_value(AT91_PIN_PC15, 0);
406 } else { /* power down */
407 at91_set_gpio_value(AT91_PIN_PC14, 1);
408 at91_set_gpio_value(AT91_PIN_PC15, 1);
412 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
414 .default_dmacon = ATMEL_LCDC_DMAEN,
415 .default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
416 .default_monspecs = &at91fb_default_stn_monspecs,
417 .atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
419 #if defined(CONFIG_MACH_AT91SAM9G10EK)
420 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
427 static struct fb_videomode at91_tft_vga_modes[] = {
429 .name = "TX09D50VM1CCA @ 60",
431 .xres = 240, .yres = 320,
432 .pixclock = KHZ2PICOS(4965),
434 .left_margin = 1, .right_margin = 33,
435 .upper_margin = 1, .lower_margin = 0,
436 .hsync_len = 5, .vsync_len = 1,
438 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
439 .vmode = FB_VMODE_NONINTERLACED,
443 static struct fb_monspecs at91fb_default_tft_monspecs = {
444 .manufacturer = "HIT",
445 .monitor = "TX09D50VM1CCA",
447 .modedb = at91_tft_vga_modes,
448 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
455 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
456 | ATMEL_LCDC_DISTYPE_TFT \
457 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
459 static void at91_lcdc_tft_power_control(int on)
462 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
464 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
467 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
468 .lcdcon_is_backlight = true,
470 .default_dmacon = ATMEL_LCDC_DMAEN,
471 .default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
472 .default_monspecs = &at91fb_default_tft_monspecs,
473 .atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
475 #if defined(CONFIG_MACH_AT91SAM9G10EK)
476 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
482 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
489 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
490 static struct gpio_keys_button ek_buttons[] = {
492 .gpio = AT91_PIN_PA27,
499 .gpio = AT91_PIN_PA26,
506 .gpio = AT91_PIN_PA25,
513 .gpio = AT91_PIN_PA24,
521 static struct gpio_keys_platform_data ek_button_data = {
522 .buttons = ek_buttons,
523 .nbuttons = ARRAY_SIZE(ek_buttons),
526 static struct platform_device ek_button_device = {
531 .platform_data = &ek_button_data,
535 static void __init ek_add_device_buttons(void)
537 at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
538 at91_set_deglitch(AT91_PIN_PA27, 1);
539 at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
540 at91_set_deglitch(AT91_PIN_PA26, 1);
541 at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
542 at91_set_deglitch(AT91_PIN_PA25, 1);
543 at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
544 at91_set_deglitch(AT91_PIN_PA24, 1);
546 platform_device_register(&ek_button_device);
549 static void __init ek_add_device_buttons(void) {}
555 static struct gpio_led ek_leds[] = {
556 { /* "bottom" led, green, userled1 to be defined */
558 .gpio = AT91_PIN_PA14,
560 .default_trigger = "none",
562 { /* "top" led, green, userled2 to be defined */
564 .gpio = AT91_PIN_PA13,
566 .default_trigger = "none",
568 { /* "power" led, yellow */
570 .gpio = AT91_PIN_PA23,
571 .default_trigger = "heartbeat",
575 static void __init ek_board_init(void)
578 at91_add_device_serial();
580 at91_add_device_usbh(&ek_usbh_data);
582 at91_add_device_udc(&ek_udc_data);
584 at91_add_device_i2c(NULL, 0);
586 ek_add_device_nand();
587 /* DM9000 ethernet */
588 ek_add_device_dm9000();
590 /* spi0 and mmc/sd share the same PIO pins */
591 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
593 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
596 /* SSC (to AT73C213) */
597 at73c213_set_clk(&at73c213_data);
598 at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
601 at91_add_device_mmc(0, &ek_mmc_data);
604 at91_add_device_lcdc(&ek_lcdc_data);
606 ek_add_device_buttons();
608 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
611 #if defined(CONFIG_MACH_AT91SAM9261EK)
612 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
614 MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
616 /* Maintainer: Atmel */
617 .timer = &at91sam926x_timer,
618 .map_io = at91_map_io,
619 .init_early = ek_init_early,
620 .init_irq = at91_init_irq_default,
621 .init_machine = ek_board_init,