2 * linux/arch/arm/mach-at91/board-sam9263ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2007 Atmel Corporation.
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/platform_data/at24.h>
32 #include <linux/gpio_keys.h>
33 #include <linux/input.h>
34 #include <linux/leds.h>
36 #include <video/atmel_lcdc.h>
38 #include <asm/setup.h>
39 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
46 #include <mach/hardware.h>
47 #include <mach/at91sam9_smc.h>
48 #include <mach/system_rev.h>
51 #include "at91_shdwc.h"
58 static void __init
ek_init_early(void)
60 /* Initialize processor: 16.367 MHz crystal */
61 at91_initialize(16367660);
67 static struct at91_usbh_data __initdata ek_usbh_data
= {
69 .vbus_pin
= { AT91_PIN_PA24
, AT91_PIN_PA21
},
70 .vbus_pin_active_low
= {1, 1},
71 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
77 static struct at91_udc_data __initdata ek_udc_data
= {
78 .vbus_pin
= AT91_PIN_PA25
,
79 .pullup_pin
= -EINVAL
, /* pull-up driven by UDC */
86 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
87 static int ads7843_pendown_state(void)
89 return !at91_get_gpio_value(AT91_PIN_PA15
); /* Touchscreen PENIRQ */
92 static struct ads7846_platform_data ads_info
= {
98 .vref_delay_usecs
= 100,
101 .pressure_max
= 15000,
104 .debounce_tol
= (~0),
105 .get_pendown_state
= ads7843_pendown_state
,
108 static void __init
ek_add_device_ts(void)
110 at91_set_B_periph(AT91_PIN_PA15
, 1); /* External IRQ1, with pullup */
111 at91_set_gpio_input(AT91_PIN_PA31
, 1); /* Touchscreen BUSY signal */
114 static void __init
ek_add_device_ts(void) {}
120 static struct spi_board_info ek_spi_devices
[] = {
121 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
122 { /* DataFlash card */
123 .modalias
= "mtd_dataflash",
125 .max_speed_hz
= 15 * 1000 * 1000,
129 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
131 .modalias
= "ads7846",
133 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
135 .platform_data
= &ads_info
,
136 .irq
= NR_IRQS_LEGACY
+ AT91SAM9263_ID_IRQ1
,
145 static struct mci_platform_data __initdata mci1_data
= {
148 .detect_pin
= AT91_PIN_PE18
,
149 .wp_pin
= AT91_PIN_PE19
,
155 * MACB Ethernet device
157 static struct macb_platform_data __initdata ek_macb_data
= {
158 .phy_irq_pin
= AT91_PIN_PE31
,
166 static struct mtd_partition __initdata ek_nand_partition
[] = {
168 .name
= "Partition 1",
173 .name
= "Partition 2",
174 .offset
= MTDPART_OFS_NXTBLK
,
175 .size
= MTDPART_SIZ_FULL
,
179 static struct atmel_nand_data __initdata ek_nand_data
= {
183 .rdy_pin
= AT91_PIN_PA22
,
184 .enable_pin
= AT91_PIN_PD15
,
185 .ecc_mode
= NAND_ECC_SOFT
,
187 .parts
= ek_nand_partition
,
188 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
191 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
194 .ncs_write_setup
= 0,
199 .ncs_write_pulse
= 3,
205 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
209 static void __init
ek_add_device_nand(void)
211 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
212 /* setup bus-width (8 or 16) */
213 if (ek_nand_data
.bus_width_16
)
214 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
216 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
218 /* configure chip-select 3 (NAND) */
219 sam9_smc_configure(0, 3, &ek_nand_smc_config
);
221 at91_add_device_nand(&ek_nand_data
);
228 static struct at24_platform_data at24c512
= {
229 .byte_len
= SZ_512K
/ 8,
231 .flags
= AT24_FLAG_ADDR16
,
235 static struct i2c_board_info __initdata ek_i2c_devices
[] = {
237 I2C_BOARD_INFO("24c512", 0x50),
238 .platform_data
= &at24c512
,
240 /* more devices can be added using expansion connectors */
246 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
247 static struct fb_videomode at91_tft_vga_modes
[] = {
249 .name
= "TX09D50VM1CCA @ 60",
251 .xres
= 240, .yres
= 320,
252 .pixclock
= KHZ2PICOS(4965),
254 .left_margin
= 1, .right_margin
= 33,
255 .upper_margin
= 1, .lower_margin
= 0,
256 .hsync_len
= 5, .vsync_len
= 1,
258 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
259 .vmode
= FB_VMODE_NONINTERLACED
,
263 static struct fb_monspecs at91fb_default_monspecs
= {
264 .manufacturer
= "HIT",
265 .monitor
= "TX09D70VM1CCA",
267 .modedb
= at91_tft_vga_modes
,
268 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
275 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
276 | ATMEL_LCDC_DISTYPE_TFT \
277 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
279 static void at91_lcdc_power_control(struct atmel_lcdfb_pdata
*pdata
, int on
)
281 at91_set_gpio_value(AT91_PIN_PA30
, on
);
285 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data
= {
286 .lcdcon_is_backlight
= true,
288 .default_dmacon
= ATMEL_LCDC_DMAEN
,
289 .default_lcdcon2
= AT91SAM9263_DEFAULT_LCDCON2
,
290 .default_monspecs
= &at91fb_default_monspecs
,
291 .atmel_lcdfb_power_control
= at91_lcdc_power_control
,
296 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data
;
303 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
304 static struct gpio_keys_button ek_buttons
[] = {
305 { /* BP1, "leftclic" */
307 .gpio
= AT91_PIN_PC5
,
309 .desc
= "left_click",
312 { /* BP2, "rightclic" */
314 .gpio
= AT91_PIN_PC4
,
316 .desc
= "right_click",
321 static struct gpio_keys_platform_data ek_button_data
= {
322 .buttons
= ek_buttons
,
323 .nbuttons
= ARRAY_SIZE(ek_buttons
),
326 static struct platform_device ek_button_device
= {
331 .platform_data
= &ek_button_data
,
335 static void __init
ek_add_device_buttons(void)
337 at91_set_GPIO_periph(AT91_PIN_PC5
, 1); /* left button */
338 at91_set_deglitch(AT91_PIN_PC5
, 1);
339 at91_set_GPIO_periph(AT91_PIN_PC4
, 1); /* right button */
340 at91_set_deglitch(AT91_PIN_PC4
, 1);
342 platform_device_register(&ek_button_device
);
345 static void __init
ek_add_device_buttons(void) {}
351 * reset_pin is not connected: NRST
353 static struct ac97c_platform_data ek_ac97_data
= {
354 .reset_pin
= -EINVAL
,
359 * LEDs ... these could all be PWM-driven, for variable brightness
361 static struct gpio_led ek_leds
[] = {
362 { /* "right" led, green, userled2 (could be driven by pwm2) */
364 .gpio
= AT91_PIN_PC29
,
366 .default_trigger
= "nand-disk",
368 { /* "power" led, yellow (could be driven by pwm0) */
370 .gpio
= AT91_PIN_PB7
,
371 .default_trigger
= "heartbeat",
378 static struct gpio_led ek_pwm_led
[] = {
379 /* For now only DS1 is PWM-driven (by pwm1) */
382 .gpio
= 1, /* is PWM channel number */
384 .default_trigger
= "none",
391 static void sam9263ek_transceiver_switch(int on
)
394 at91_set_gpio_output(AT91_PIN_PA18
, 1); /* CANRXEN */
395 at91_set_gpio_output(AT91_PIN_PA19
, 0); /* CANRS */
397 at91_set_gpio_output(AT91_PIN_PA18
, 0); /* CANRXEN */
398 at91_set_gpio_output(AT91_PIN_PA19
, 1); /* CANRS */
402 static struct at91_can_data ek_can_data
= {
403 .transceiver_switch
= sam9263ek_transceiver_switch
,
406 static void __init
ek_board_init(void)
409 /* DBGU on ttyS0. (Rx & Tx only) */
410 at91_register_uart(0, 0, 0);
412 /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
413 at91_register_uart(AT91SAM9263_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
414 at91_add_device_serial();
416 at91_add_device_usbh(&ek_usbh_data
);
418 at91_add_device_udc(&ek_udc_data
);
420 at91_set_gpio_output(AT91_PIN_PE20
, 1); /* select spi0 clock */
421 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
425 at91_add_device_mci(1, &mci1_data
);
427 at91_add_device_eth(&ek_macb_data
);
429 ek_add_device_nand();
431 at91_add_device_i2c(ek_i2c_devices
, ARRAY_SIZE(ek_i2c_devices
));
433 at91_add_device_lcdc(&ek_lcdc_data
);
435 ek_add_device_buttons();
437 at91_add_device_ac97(&ek_ac97_data
);
439 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
440 at91_pwm_leds(ek_pwm_led
, ARRAY_SIZE(ek_pwm_led
));
442 at91_add_device_can(&ek_can_data
);
445 MACHINE_START(AT91SAM9263EK
, "Atmel AT91SAM9263-EK")
446 /* Maintainer: Atmel */
447 .init_time
= at91sam926x_pit_init
,
448 .map_io
= at91_map_io
,
449 .handle_irq
= at91_aic_handle_irq
,
450 .init_early
= ek_init_early
,
451 .init_irq
= at91_init_irq_default
,
452 .init_machine
= ek_board_init
,