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/at91sam9_smc.h>
49 #include <mach/system_rev.h>
52 #include "at91_shdwc.h"
58 static void __init
ek_init_early(void)
60 /* Initialize processor: 18.432 MHz crystal */
61 at91_initialize(18432000);
65 * DM9000 ethernet device
67 #if defined(CONFIG_DM9000)
68 static struct resource dm9000_resource
[] = {
70 .start
= AT91_CHIPSELECT_2
,
71 .end
= AT91_CHIPSELECT_2
+ 3,
72 .flags
= IORESOURCE_MEM
75 .start
= AT91_CHIPSELECT_2
+ 0x44,
76 .end
= AT91_CHIPSELECT_2
+ 0xFF,
77 .flags
= IORESOURCE_MEM
80 .flags
= IORESOURCE_IRQ
81 | IORESOURCE_IRQ_LOWEDGE
| IORESOURCE_IRQ_HIGHEDGE
,
85 static struct dm9000_plat_data dm9000_platdata
= {
86 .flags
= DM9000_PLATF_16BITONLY
| DM9000_PLATF_NO_EEPROM
,
89 static struct platform_device dm9000_device
= {
92 .num_resources
= ARRAY_SIZE(dm9000_resource
),
93 .resource
= dm9000_resource
,
95 .platform_data
= &dm9000_platdata
,
100 * SMC timings for the DM9000.
101 * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
103 static struct sam9_smc_config __initdata dm9000_smc_config
= {
106 .ncs_write_setup
= 0,
111 .ncs_write_pulse
= 8,
117 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_BAT_WRITE
| AT91_SMC_DBW_16
,
121 static void __init
ek_add_device_dm9000(void)
123 struct resource
*r
= &dm9000_resource
[2];
125 /* Configure chip-select 2 (DM9000) */
126 sam9_smc_configure(0, 2, &dm9000_smc_config
);
128 /* Configure Reset signal as output */
129 at91_set_gpio_output(AT91_PIN_PC10
, 0);
131 /* Configure Interrupt pin as input, no pull-up */
132 at91_set_gpio_input(AT91_PIN_PC11
, 0);
134 r
->start
= r
->end
= gpio_to_irq(AT91_PIN_PC11
);
135 platform_device_register(&dm9000_device
);
138 static void __init
ek_add_device_dm9000(void) {}
139 #endif /* CONFIG_DM9000 */
145 static struct at91_usbh_data __initdata ek_usbh_data
= {
147 .vbus_pin
= {-EINVAL
, -EINVAL
},
148 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
155 static struct at91_udc_data __initdata ek_udc_data
= {
156 .vbus_pin
= AT91_PIN_PB29
,
157 .pullup_pin
= -EINVAL
, /* pull-up driven by UDC */
164 static struct mtd_partition __initdata ek_nand_partition
[] = {
166 .name
= "Partition 1",
171 .name
= "Partition 2",
172 .offset
= MTDPART_OFS_NXTBLK
,
173 .size
= MTDPART_SIZ_FULL
,
177 static struct atmel_nand_data __initdata ek_nand_data
= {
181 .rdy_pin
= AT91_PIN_PC15
,
182 .enable_pin
= AT91_PIN_PC14
,
183 .ecc_mode
= NAND_ECC_SOFT
,
185 .parts
= ek_nand_partition
,
186 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
189 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
192 .ncs_write_setup
= 0,
197 .ncs_write_pulse
= 3,
203 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
207 static void __init
ek_add_device_nand(void)
209 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
210 /* setup bus-width (8 or 16) */
211 if (ek_nand_data
.bus_width_16
)
212 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
214 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
216 /* configure chip-select 3 (NAND) */
217 sam9_smc_configure(0, 3, &ek_nand_smc_config
);
219 at91_add_device_nand(&ek_nand_data
);
223 * SPI related devices
225 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
228 * ADS7846 Touchscreen
230 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
232 static int ads7843_pendown_state(void)
234 return !at91_get_gpio_value(AT91_PIN_PC2
); /* Touchscreen PENIRQ */
237 static struct ads7846_platform_data ads_info
= {
243 .vref_delay_usecs
= 100,
246 .pressure_max
= 15000,
249 .debounce_tol
= (~0),
250 .get_pendown_state
= ads7843_pendown_state
,
253 static void __init
ek_add_device_ts(void)
255 at91_set_B_periph(AT91_PIN_PC2
, 1); /* External IRQ0, with pullup */
256 at91_set_gpio_input(AT91_PIN_PA11
, 1); /* Touchscreen BUSY signal */
259 static void __init
ek_add_device_ts(void) {}
265 static struct at73c213_board_info at73c213_data
= {
267 #if defined(CONFIG_MACH_AT91SAM9261EK)
268 .shortname
= "AT91SAM9261-EK external DAC",
270 .shortname
= "AT91SAM9G10-EK external DAC",
274 #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
275 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
)
280 pck2
= clk_get(NULL
, "pck2");
281 plla
= clk_get(NULL
, "plla");
283 /* AT73C213 MCK Clock */
284 at91_set_B_periph(AT91_PIN_PB31
, 0); /* PCK2 */
286 clk_set_parent(pck2
, plla
);
289 info
->dac_clk
= pck2
;
292 static void __init
at73c213_set_clk(struct at73c213_board_info
*info
) {}
298 static struct spi_board_info ek_spi_devices
[] = {
299 { /* DataFlash chip */
300 .modalias
= "mtd_dataflash",
302 .max_speed_hz
= 15 * 1000 * 1000,
305 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
307 .modalias
= "ads7846",
309 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
311 .platform_data
= &ads_info
,
312 .irq
= NR_IRQS_LEGACY
+ AT91SAM9261_ID_IRQ0
,
313 .controller_data
= (void *) AT91_PIN_PA28
, /* CS pin */
316 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
317 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
318 .modalias
= "mtd_dataflash",
320 .max_speed_hz
= 15 * 1000 * 1000,
323 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
325 .modalias
= "at73c213",
327 .max_speed_hz
= 10 * 1000 * 1000,
330 .platform_data
= &at73c213_data
,
331 .controller_data
= (void*) AT91_PIN_PA29
, /* default for CS3 is PA6, but it must be PA29 */
336 #else /* CONFIG_SPI_ATMEL_* */
337 /* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
341 * det_pin, wp_pin and vcc_pin are not connected
343 static struct mci_platform_data __initdata mci0_data
= {
346 .detect_pin
= -EINVAL
,
351 #endif /* CONFIG_SPI_ATMEL_* */
357 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
359 #if defined(CONFIG_FB_ATMEL_STN)
362 static struct fb_videomode at91_stn_modes
[] = {
364 .name
= "SP06Q002 @ 75",
366 .xres
= 320, .yres
= 240,
367 .pixclock
= KHZ2PICOS(1440),
369 .left_margin
= 1, .right_margin
= 1,
370 .upper_margin
= 0, .lower_margin
= 0,
371 .hsync_len
= 1, .vsync_len
= 1,
373 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
374 .vmode
= FB_VMODE_NONINTERLACED
,
378 static struct fb_monspecs at91fb_default_stn_monspecs
= {
379 .manufacturer
= "HIT",
380 .monitor
= "SP06Q002",
382 .modedb
= at91_stn_modes
,
383 .modedb_len
= ARRAY_SIZE(at91_stn_modes
),
390 #define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
391 | ATMEL_LCDC_DISTYPE_STNMONO \
392 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
393 | ATMEL_LCDC_IFWIDTH_4 \
394 | ATMEL_LCDC_SCANMOD_SINGLE)
396 static void at91_lcdc_stn_power_control(int on
)
399 if (on
) { /* power up */
400 at91_set_gpio_value(AT91_PIN_PC14
, 0);
401 at91_set_gpio_value(AT91_PIN_PC15
, 0);
402 } else { /* power down */
403 at91_set_gpio_value(AT91_PIN_PC14
, 1);
404 at91_set_gpio_value(AT91_PIN_PC15
, 1);
408 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
410 .default_dmacon
= ATMEL_LCDC_DMAEN
,
411 .default_lcdcon2
= AT91SAM9261_DEFAULT_STN_LCDCON2
,
412 .default_monspecs
= &at91fb_default_stn_monspecs
,
413 .atmel_lcdfb_power_control
= at91_lcdc_stn_power_control
,
415 #if defined(CONFIG_MACH_AT91SAM9G10EK)
416 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
423 static struct fb_videomode at91_tft_vga_modes
[] = {
425 .name
= "TX09D50VM1CCA @ 60",
427 .xres
= 240, .yres
= 320,
428 .pixclock
= KHZ2PICOS(4965),
430 .left_margin
= 1, .right_margin
= 33,
431 .upper_margin
= 1, .lower_margin
= 0,
432 .hsync_len
= 5, .vsync_len
= 1,
434 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
435 .vmode
= FB_VMODE_NONINTERLACED
,
439 static struct fb_monspecs at91fb_default_tft_monspecs
= {
440 .manufacturer
= "HIT",
441 .monitor
= "TX09D50VM1CCA",
443 .modedb
= at91_tft_vga_modes
,
444 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
451 #define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
452 | ATMEL_LCDC_DISTYPE_TFT \
453 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
455 static void at91_lcdc_tft_power_control(int on
)
458 at91_set_gpio_value(AT91_PIN_PA12
, 0); /* power up */
460 at91_set_gpio_value(AT91_PIN_PA12
, 1); /* power down */
463 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
464 .lcdcon_is_backlight
= true,
466 .default_dmacon
= ATMEL_LCDC_DMAEN
,
467 .default_lcdcon2
= AT91SAM9261_DEFAULT_TFT_LCDCON2
,
468 .default_monspecs
= &at91fb_default_tft_monspecs
,
469 .atmel_lcdfb_power_control
= at91_lcdc_tft_power_control
,
471 #if defined(CONFIG_MACH_AT91SAM9G10EK)
472 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
478 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
485 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
486 static struct gpio_keys_button ek_buttons
[] = {
488 .gpio
= AT91_PIN_PA27
,
495 .gpio
= AT91_PIN_PA26
,
502 .gpio
= AT91_PIN_PA25
,
509 .gpio
= AT91_PIN_PA24
,
517 static struct gpio_keys_platform_data ek_button_data
= {
518 .buttons
= ek_buttons
,
519 .nbuttons
= ARRAY_SIZE(ek_buttons
),
522 static struct platform_device ek_button_device
= {
527 .platform_data
= &ek_button_data
,
531 static void __init
ek_add_device_buttons(void)
533 at91_set_gpio_input(AT91_PIN_PA27
, 1); /* btn0 */
534 at91_set_deglitch(AT91_PIN_PA27
, 1);
535 at91_set_gpio_input(AT91_PIN_PA26
, 1); /* btn1 */
536 at91_set_deglitch(AT91_PIN_PA26
, 1);
537 at91_set_gpio_input(AT91_PIN_PA25
, 1); /* btn2 */
538 at91_set_deglitch(AT91_PIN_PA25
, 1);
539 at91_set_gpio_input(AT91_PIN_PA24
, 1); /* btn3 */
540 at91_set_deglitch(AT91_PIN_PA24
, 1);
542 platform_device_register(&ek_button_device
);
545 static void __init
ek_add_device_buttons(void) {}
551 static struct gpio_led ek_leds
[] = {
552 { /* "bottom" led, green, userled1 to be defined */
554 .gpio
= AT91_PIN_PA14
,
556 .default_trigger
= "none",
558 { /* "top" led, green, userled2 to be defined */
560 .gpio
= AT91_PIN_PA13
,
562 .default_trigger
= "none",
564 { /* "power" led, yellow */
566 .gpio
= AT91_PIN_PA23
,
567 .default_trigger
= "heartbeat",
571 static void __init
ek_board_init(void)
574 /* DBGU on ttyS0. (Rx & Tx only) */
575 at91_register_uart(0, 0, 0);
576 at91_add_device_serial();
578 at91_add_device_usbh(&ek_usbh_data
);
580 at91_add_device_udc(&ek_udc_data
);
582 at91_add_device_i2c(NULL
, 0);
584 ek_add_device_nand();
585 /* DM9000 ethernet */
586 ek_add_device_dm9000();
588 /* spi0 and mmc/sd share the same PIO pins */
589 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
591 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
594 /* SSC (to AT73C213) */
595 at73c213_set_clk(&at73c213_data
);
596 at91_add_device_ssc(AT91SAM9261_ID_SSC1
, ATMEL_SSC_TX
);
599 at91_add_device_mci(0, &mci0_data
);
602 at91_add_device_lcdc(&ek_lcdc_data
);
604 ek_add_device_buttons();
606 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
609 #if defined(CONFIG_MACH_AT91SAM9261EK)
610 MACHINE_START(AT91SAM9261EK
, "Atmel AT91SAM9261-EK")
612 MACHINE_START(AT91SAM9G10EK
, "Atmel AT91SAM9G10-EK")
614 /* Maintainer: Atmel */
615 .timer
= &at91sam926x_timer
,
616 .map_io
= at91_map_io
,
617 .handle_irq
= at91_aic_handle_irq
,
618 .init_early
= ek_init_early
,
619 .init_irq
= at91_init_irq_default
,
620 .init_machine
= ek_board_init
,