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/init.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/i2c/at24.h>
31 #include <linux/gpio_keys.h>
32 #include <linux/input.h>
33 #include <linux/leds.h>
35 #include <video/atmel_lcdc.h>
37 #include <asm/setup.h>
38 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
45 #include <mach/hardware.h>
46 #include <mach/board.h>
47 #include <mach/gpio.h>
48 #include <mach/at91sam9_smc.h>
49 #include <mach/at91_shdwc.h>
50 #include <mach/system_rev.h>
56 static void __init
ek_init_early(void)
58 /* Initialize processor: 16.367 MHz crystal */
59 at91sam9263_initialize(16367660);
61 /* DBGU on ttyS0. (Rx & Tx only) */
62 at91_register_uart(0, 0, 0);
64 /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
65 at91_register_uart(AT91SAM9263_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
67 /* set serial console to ttyS0 (ie, DBGU) */
68 at91_set_serial_console(0);
71 static void __init
ek_init_irq(void)
73 at91sam9263_init_interrupts(NULL
);
80 static struct at91_usbh_data __initdata ek_usbh_data
= {
82 .vbus_pin
= { AT91_PIN_PA24
, AT91_PIN_PA21
},
88 static struct at91_udc_data __initdata ek_udc_data
= {
89 .vbus_pin
= AT91_PIN_PA25
,
90 .pullup_pin
= 0, /* pull-up driven by UDC */
97 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
98 static int ads7843_pendown_state(void)
100 return !at91_get_gpio_value(AT91_PIN_PA15
); /* Touchscreen PENIRQ */
103 static struct ads7846_platform_data ads_info
= {
109 .vref_delay_usecs
= 100,
112 .pressure_max
= 15000,
115 .debounce_tol
= (~0),
116 .get_pendown_state
= ads7843_pendown_state
,
119 static void __init
ek_add_device_ts(void)
121 at91_set_B_periph(AT91_PIN_PA15
, 1); /* External IRQ1, with pullup */
122 at91_set_gpio_input(AT91_PIN_PA31
, 1); /* Touchscreen BUSY signal */
125 static void __init
ek_add_device_ts(void) {}
131 static struct spi_board_info ek_spi_devices
[] = {
132 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
133 { /* DataFlash card */
134 .modalias
= "mtd_dataflash",
136 .max_speed_hz
= 15 * 1000 * 1000,
140 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
142 .modalias
= "ads7846",
144 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
146 .platform_data
= &ads_info
,
147 .irq
= AT91SAM9263_ID_IRQ1
,
156 static struct at91_mmc_data __initdata ek_mmc_data
= {
158 .det_pin
= AT91_PIN_PE18
,
159 .wp_pin
= AT91_PIN_PE19
,
160 // .vcc_pin = ... not connected
165 * MACB Ethernet device
167 static struct at91_eth_data __initdata ek_macb_data
= {
168 .phy_irq_pin
= AT91_PIN_PE31
,
176 static struct mtd_partition __initdata ek_nand_partition
[] = {
178 .name
= "Partition 1",
183 .name
= "Partition 2",
184 .offset
= MTDPART_OFS_NXTBLK
,
185 .size
= MTDPART_SIZ_FULL
,
189 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
191 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
192 return ek_nand_partition
;
195 static struct atmel_nand_data __initdata ek_nand_data
= {
198 // .det_pin = ... not connected
199 .rdy_pin
= AT91_PIN_PA22
,
200 .enable_pin
= AT91_PIN_PD15
,
201 .partition_info
= nand_partitions
,
204 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
207 .ncs_write_setup
= 0,
212 .ncs_write_pulse
= 3,
218 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
222 static void __init
ek_add_device_nand(void)
224 ek_nand_data
.bus_width_16
= !board_have_nand_8bit();
225 /* setup bus-width (8 or 16) */
226 if (ek_nand_data
.bus_width_16
)
227 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
229 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
231 /* configure chip-select 3 (NAND) */
232 sam9_smc_configure(3, &ek_nand_smc_config
);
234 at91_add_device_nand(&ek_nand_data
);
241 static struct at24_platform_data at24c512
= {
242 .byte_len
= SZ_512K
/ 8,
244 .flags
= AT24_FLAG_ADDR16
,
248 static struct i2c_board_info __initdata ek_i2c_devices
[] = {
250 I2C_BOARD_INFO("24c512", 0x50),
251 .platform_data
= &at24c512
,
253 /* more devices can be added using expansion connectors */
259 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
260 static struct fb_videomode at91_tft_vga_modes
[] = {
262 .name
= "TX09D50VM1CCA @ 60",
264 .xres
= 240, .yres
= 320,
265 .pixclock
= KHZ2PICOS(4965),
267 .left_margin
= 1, .right_margin
= 33,
268 .upper_margin
= 1, .lower_margin
= 0,
269 .hsync_len
= 5, .vsync_len
= 1,
271 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
272 .vmode
= FB_VMODE_NONINTERLACED
,
276 static struct fb_monspecs at91fb_default_monspecs
= {
277 .manufacturer
= "HIT",
278 .monitor
= "TX09D70VM1CCA",
280 .modedb
= at91_tft_vga_modes
,
281 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
288 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
289 | ATMEL_LCDC_DISTYPE_TFT \
290 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
292 static void at91_lcdc_power_control(int on
)
294 at91_set_gpio_value(AT91_PIN_PA30
, on
);
298 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
299 .lcdcon_is_backlight
= true,
301 .default_dmacon
= ATMEL_LCDC_DMAEN
,
302 .default_lcdcon2
= AT91SAM9263_DEFAULT_LCDCON2
,
303 .default_monspecs
= &at91fb_default_monspecs
,
304 .atmel_lcdfb_power_control
= at91_lcdc_power_control
,
309 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
316 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
317 static struct gpio_keys_button ek_buttons
[] = {
318 { /* BP1, "leftclic" */
320 .gpio
= AT91_PIN_PC5
,
322 .desc
= "left_click",
325 { /* BP2, "rightclic" */
327 .gpio
= AT91_PIN_PC4
,
329 .desc
= "right_click",
334 static struct gpio_keys_platform_data ek_button_data
= {
335 .buttons
= ek_buttons
,
336 .nbuttons
= ARRAY_SIZE(ek_buttons
),
339 static struct platform_device ek_button_device
= {
344 .platform_data
= &ek_button_data
,
348 static void __init
ek_add_device_buttons(void)
350 at91_set_GPIO_periph(AT91_PIN_PC5
, 1); /* left button */
351 at91_set_deglitch(AT91_PIN_PC5
, 1);
352 at91_set_GPIO_periph(AT91_PIN_PC4
, 1); /* right button */
353 at91_set_deglitch(AT91_PIN_PC4
, 1);
355 platform_device_register(&ek_button_device
);
358 static void __init
ek_add_device_buttons(void) {}
364 * reset_pin is not connected: NRST
366 static struct ac97c_platform_data ek_ac97_data
= {
371 * LEDs ... these could all be PWM-driven, for variable brightness
373 static struct gpio_led ek_leds
[] = {
374 { /* "right" led, green, userled2 (could be driven by pwm2) */
376 .gpio
= AT91_PIN_PC29
,
378 .default_trigger
= "nand-disk",
380 { /* "power" led, yellow (could be driven by pwm0) */
382 .gpio
= AT91_PIN_PB7
,
383 .default_trigger
= "heartbeat",
390 static struct gpio_led ek_pwm_led
[] = {
391 /* For now only DS1 is PWM-driven (by pwm1) */
394 .gpio
= 1, /* is PWM channel number */
396 .default_trigger
= "none",
403 static void sam9263ek_transceiver_switch(int on
)
406 at91_set_gpio_output(AT91_PIN_PA18
, 1); /* CANRXEN */
407 at91_set_gpio_output(AT91_PIN_PA19
, 0); /* CANRS */
409 at91_set_gpio_output(AT91_PIN_PA18
, 0); /* CANRXEN */
410 at91_set_gpio_output(AT91_PIN_PA19
, 1); /* CANRS */
414 static struct at91_can_data ek_can_data
= {
415 .transceiver_switch
= sam9263ek_transceiver_switch
,
418 static void __init
ek_board_init(void)
421 at91_add_device_serial();
423 at91_add_device_usbh(&ek_usbh_data
);
425 at91_add_device_udc(&ek_udc_data
);
427 at91_set_gpio_output(AT91_PIN_PE20
, 1); /* select spi0 clock */
428 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
432 at91_add_device_mmc(1, &ek_mmc_data
);
434 at91_add_device_eth(&ek_macb_data
);
436 ek_add_device_nand();
438 at91_add_device_i2c(ek_i2c_devices
, ARRAY_SIZE(ek_i2c_devices
));
440 at91_add_device_lcdc(&ek_lcdc_data
);
442 ek_add_device_buttons();
444 at91_add_device_ac97(&ek_ac97_data
);
446 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
447 at91_pwm_leds(ek_pwm_led
, ARRAY_SIZE(ek_pwm_led
));
449 at91_add_device_can(&ek_can_data
);
452 MACHINE_START(AT91SAM9263EK
, "Atmel AT91SAM9263-EK")
453 /* Maintainer: Atmel */
454 .timer
= &at91sam926x_timer
,
455 .map_io
= at91sam9263_map_io
,
456 .init_early
= ek_init_early
,
457 .init_irq
= ek_init_irq
,
458 .init_machine
= ek_board_init
,