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/i2c/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/board.h>
48 #include <mach/at91_aic.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: 16.367 MHz crystal */
60 at91_initialize(16367660);
66 static struct at91_usbh_data __initdata ek_usbh_data = {
68 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
69 .vbus_pin_active_low = {1, 1},
70 .overcurrent_pin= {-EINVAL, -EINVAL},
76 static struct at91_udc_data __initdata ek_udc_data = {
77 .vbus_pin = AT91_PIN_PA25,
78 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
85 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
86 static int ads7843_pendown_state(void)
88 return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
91 static struct ads7846_platform_data ads_info = {
97 .vref_delay_usecs = 100,
100 .pressure_max = 15000,
103 .debounce_tol = (~0),
104 .get_pendown_state = ads7843_pendown_state,
107 static void __init ek_add_device_ts(void)
109 at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
110 at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
113 static void __init ek_add_device_ts(void) {}
119 static struct spi_board_info ek_spi_devices[] = {
120 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
121 { /* DataFlash card */
122 .modalias = "mtd_dataflash",
124 .max_speed_hz = 15 * 1000 * 1000,
128 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
130 .modalias = "ads7846",
132 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
134 .platform_data = &ads_info,
135 .irq = AT91SAM9263_ID_IRQ1,
144 static struct at91_mmc_data __initdata ek_mmc_data = {
146 .det_pin = AT91_PIN_PE18,
147 .wp_pin = AT91_PIN_PE19,
153 * MACB Ethernet device
155 static struct macb_platform_data __initdata ek_macb_data = {
156 .phy_irq_pin = AT91_PIN_PE31,
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_PA22,
182 .enable_pin = AT91_PIN_PD15,
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);
226 static struct at24_platform_data at24c512 = {
227 .byte_len = SZ_512K / 8,
229 .flags = AT24_FLAG_ADDR16,
233 static struct i2c_board_info __initdata ek_i2c_devices[] = {
235 I2C_BOARD_INFO("24c512", 0x50),
236 .platform_data = &at24c512,
238 /* more devices can be added using expansion connectors */
244 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
245 static struct fb_videomode at91_tft_vga_modes[] = {
247 .name = "TX09D50VM1CCA @ 60",
249 .xres = 240, .yres = 320,
250 .pixclock = KHZ2PICOS(4965),
252 .left_margin = 1, .right_margin = 33,
253 .upper_margin = 1, .lower_margin = 0,
254 .hsync_len = 5, .vsync_len = 1,
256 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
257 .vmode = FB_VMODE_NONINTERLACED,
261 static struct fb_monspecs at91fb_default_monspecs = {
262 .manufacturer = "HIT",
263 .monitor = "TX09D70VM1CCA",
265 .modedb = at91_tft_vga_modes,
266 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
273 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
274 | ATMEL_LCDC_DISTYPE_TFT \
275 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
277 static void at91_lcdc_power_control(int on)
279 at91_set_gpio_value(AT91_PIN_PA30, on);
283 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
284 .lcdcon_is_backlight = true,
286 .default_dmacon = ATMEL_LCDC_DMAEN,
287 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
288 .default_monspecs = &at91fb_default_monspecs,
289 .atmel_lcdfb_power_control = at91_lcdc_power_control,
294 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
301 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
302 static struct gpio_keys_button ek_buttons[] = {
303 { /* BP1, "leftclic" */
305 .gpio = AT91_PIN_PC5,
307 .desc = "left_click",
310 { /* BP2, "rightclic" */
312 .gpio = AT91_PIN_PC4,
314 .desc = "right_click",
319 static struct gpio_keys_platform_data ek_button_data = {
320 .buttons = ek_buttons,
321 .nbuttons = ARRAY_SIZE(ek_buttons),
324 static struct platform_device ek_button_device = {
329 .platform_data = &ek_button_data,
333 static void __init ek_add_device_buttons(void)
335 at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
336 at91_set_deglitch(AT91_PIN_PC5, 1);
337 at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
338 at91_set_deglitch(AT91_PIN_PC4, 1);
340 platform_device_register(&ek_button_device);
343 static void __init ek_add_device_buttons(void) {}
349 * reset_pin is not connected: NRST
351 static struct ac97c_platform_data ek_ac97_data = {
352 .reset_pin = -EINVAL,
357 * LEDs ... these could all be PWM-driven, for variable brightness
359 static struct gpio_led ek_leds[] = {
360 { /* "right" led, green, userled2 (could be driven by pwm2) */
362 .gpio = AT91_PIN_PC29,
364 .default_trigger = "nand-disk",
366 { /* "power" led, yellow (could be driven by pwm0) */
368 .gpio = AT91_PIN_PB7,
369 .default_trigger = "heartbeat",
376 static struct gpio_led ek_pwm_led[] = {
377 /* For now only DS1 is PWM-driven (by pwm1) */
380 .gpio = 1, /* is PWM channel number */
382 .default_trigger = "none",
389 static void sam9263ek_transceiver_switch(int on)
392 at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
393 at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
395 at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
396 at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
400 static struct at91_can_data ek_can_data = {
401 .transceiver_switch = sam9263ek_transceiver_switch,
404 static void __init ek_board_init(void)
407 /* DBGU on ttyS0. (Rx & Tx only) */
408 at91_register_uart(0, 0, 0);
410 /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
411 at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
412 at91_add_device_serial();
414 at91_add_device_usbh(&ek_usbh_data);
416 at91_add_device_udc(&ek_udc_data);
418 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
419 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
423 at91_add_device_mmc(1, &ek_mmc_data);
425 at91_add_device_eth(&ek_macb_data);
427 ek_add_device_nand();
429 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
431 at91_add_device_lcdc(&ek_lcdc_data);
433 ek_add_device_buttons();
435 at91_add_device_ac97(&ek_ac97_data);
437 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
438 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
440 at91_add_device_can(&ek_can_data);
443 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
444 /* Maintainer: Atmel */
445 .timer = &at91sam926x_timer,
446 .map_io = at91_map_io,
447 .handle_irq = at91_aic_handle_irq,
448 .init_early = ek_init_early,
449 .init_irq = at91_init_irq_default,
450 .init_machine = ek_board_init,