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>
34 #include <video/atmel_lcdc.h>
36 #include <asm/setup.h>
37 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
44 #include <mach/hardware.h>
45 #include <mach/board.h>
46 #include <mach/gpio.h>
47 #include <mach/at91sam9_smc.h>
52 static void __init ek_map_io(void)
54 /* Initialize processor: 16.367 MHz crystal */
55 at91sam9263_initialize(16367660);
57 /* DGBU on ttyS0. (Rx & Tx only) */
58 at91_register_uart(0, 0, 0);
60 /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
61 at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
63 /* set serial console to ttyS0 (ie, DBGU) */
64 at91_set_serial_console(0);
67 static void __init ek_init_irq(void)
69 at91sam9263_init_interrupts(NULL);
76 static struct at91_usbh_data __initdata ek_usbh_data = {
78 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
84 static struct at91_udc_data __initdata ek_udc_data = {
85 .vbus_pin = AT91_PIN_PA25,
86 .pullup_pin = 0, /* pull-up driven by UDC */
93 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
94 static int ads7843_pendown_state(void)
96 return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
99 static struct ads7846_platform_data ads_info = {
105 .vref_delay_usecs = 100,
108 .pressure_max = 15000,
111 .debounce_tol = (~0),
112 .get_pendown_state = ads7843_pendown_state,
115 static void __init ek_add_device_ts(void)
117 at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
118 at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
121 static void __init ek_add_device_ts(void) {}
127 static struct spi_board_info ek_spi_devices[] = {
128 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
129 { /* DataFlash card */
130 .modalias = "mtd_dataflash",
132 .max_speed_hz = 15 * 1000 * 1000,
136 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
138 .modalias = "ads7846",
140 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
142 .platform_data = &ads_info,
143 .irq = AT91SAM9263_ID_IRQ1,
152 static struct at91_mmc_data __initdata ek_mmc_data = {
154 .det_pin = AT91_PIN_PE18,
155 .wp_pin = AT91_PIN_PE19,
156 // .vcc_pin = ... not connected
161 * MACB Ethernet device
163 static struct at91_eth_data __initdata ek_macb_data = {
164 .phy_irq_pin = AT91_PIN_PE31,
172 static struct mtd_partition __initdata ek_nand_partition[] = {
174 .name = "Partition 1",
179 .name = "Partition 2",
180 .offset = MTDPART_OFS_NXTBLK,
181 .size = MTDPART_SIZ_FULL,
185 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
187 *num_partitions = ARRAY_SIZE(ek_nand_partition);
188 return ek_nand_partition;
191 static struct atmel_nand_data __initdata ek_nand_data = {
194 // .det_pin = ... not connected
195 .rdy_pin = AT91_PIN_PA22,
196 .enable_pin = AT91_PIN_PD15,
197 .partition_info = nand_partitions,
198 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
209 static struct at24_platform_data at24c512 = {
210 .byte_len = SZ_512K / 8,
212 .flags = AT24_FLAG_ADDR16,
216 static struct i2c_board_info __initdata ek_i2c_devices[] = {
218 I2C_BOARD_INFO("24c512", 0x50),
219 .platform_data = &at24c512,
221 /* more devices can be added using expansion connectors */
227 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
228 static struct fb_videomode at91_tft_vga_modes[] = {
230 .name = "TX09D50VM1CCA @ 60",
232 .xres = 240, .yres = 320,
233 .pixclock = KHZ2PICOS(4965),
235 .left_margin = 1, .right_margin = 33,
236 .upper_margin = 1, .lower_margin = 0,
237 .hsync_len = 5, .vsync_len = 1,
239 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
240 .vmode = FB_VMODE_NONINTERLACED,
244 static struct fb_monspecs at91fb_default_monspecs = {
245 .manufacturer = "HIT",
246 .monitor = "TX09D70VM1CCA",
248 .modedb = at91_tft_vga_modes,
249 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
256 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
257 | ATMEL_LCDC_DISTYPE_TFT \
258 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
260 static void at91_lcdc_power_control(int on)
262 at91_set_gpio_value(AT91_PIN_PA30, on);
266 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
267 .lcdcon_is_backlight = true,
269 .default_dmacon = ATMEL_LCDC_DMAEN,
270 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
271 .default_monspecs = &at91fb_default_monspecs,
272 .atmel_lcdfb_power_control = at91_lcdc_power_control,
277 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
284 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
285 static struct gpio_keys_button ek_buttons[] = {
286 { /* BP1, "leftclic" */
288 .gpio = AT91_PIN_PC5,
290 .desc = "left_click",
293 { /* BP2, "rightclic" */
295 .gpio = AT91_PIN_PC4,
297 .desc = "right_click",
302 static struct gpio_keys_platform_data ek_button_data = {
303 .buttons = ek_buttons,
304 .nbuttons = ARRAY_SIZE(ek_buttons),
307 static struct platform_device ek_button_device = {
312 .platform_data = &ek_button_data,
316 static void __init ek_add_device_buttons(void)
318 at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */
319 at91_set_deglitch(AT91_PIN_PC5, 1);
320 at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */
321 at91_set_deglitch(AT91_PIN_PC4, 1);
323 platform_device_register(&ek_button_device);
326 static void __init ek_add_device_buttons(void) {}
333 static struct atmel_ac97_data ek_ac97_data = {
334 .reset_pin = AT91_PIN_PA13,
339 * LEDs ... these could all be PWM-driven, for variable brightness
341 static struct gpio_led ek_leds[] = {
342 { /* "left" led, green, userled1, pwm1 */
344 .gpio = AT91_PIN_PB8,
346 .default_trigger = "mmc0",
348 { /* "right" led, green, userled2, pwm2 */
350 .gpio = AT91_PIN_PC29,
352 .default_trigger = "nand-disk",
354 { /* "power" led, yellow, pwm0 */
356 .gpio = AT91_PIN_PB7,
357 .default_trigger = "heartbeat",
362 static void __init ek_board_init(void)
365 at91_add_device_serial();
367 at91_add_device_usbh(&ek_usbh_data);
369 at91_add_device_udc(&ek_udc_data);
371 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
372 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
376 at91_add_device_mmc(1, &ek_mmc_data);
378 at91_add_device_eth(&ek_macb_data);
380 at91_add_device_nand(&ek_nand_data);
382 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
384 at91_add_device_lcdc(&ek_lcdc_data);
386 ek_add_device_buttons();
388 at91_add_device_ac97(&ek_ac97_data);
390 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
393 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
394 /* Maintainer: Atmel */
395 .phys_io = AT91_BASE_SYS,
396 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
397 .boot_params = AT91_SDRAM_BASE + 0x100,
398 .timer = &at91sam926x_timer,
400 .init_irq = ek_init_irq,
401 .init_machine = ek_board_init,