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>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
33 #include <video/atmel_lcdc.h>
35 #include <asm/hardware.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 <asm/arch/board.h>
45 #include <asm/arch/gpio.h>
46 #include <asm/arch/at91sam9_smc.h>
51 static void __init ek_map_io(void)
53 /* Initialize processor: 16.367 MHz crystal */
54 at91sam9263_initialize(16367660);
56 /* DGBU on ttyS0. (Rx & Tx only) */
57 at91_register_uart(0, 0, 0);
59 /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
60 at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
62 /* set serial console to ttyS0 (ie, DBGU) */
63 at91_set_serial_console(0);
66 static void __init ek_init_irq(void)
68 at91sam9263_init_interrupts(NULL);
75 static struct at91_usbh_data __initdata ek_usbh_data = {
77 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
83 static struct at91_udc_data __initdata ek_udc_data = {
84 .vbus_pin = AT91_PIN_PA25,
85 .pullup_pin = 0, /* pull-up driven by UDC */
92 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
93 static int ads7843_pendown_state(void)
95 return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */
98 static struct ads7846_platform_data ads_info = {
104 .vref_delay_usecs = 100,
107 .pressure_max = 15000,
110 .debounce_tol = (~0),
111 .get_pendown_state = ads7843_pendown_state,
114 static void __init ek_add_device_ts(void)
116 at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */
117 at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */
120 static void __init ek_add_device_ts(void) {}
126 static struct spi_board_info ek_spi_devices[] = {
127 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
128 { /* DataFlash card */
129 .modalias = "mtd_dataflash",
131 .max_speed_hz = 15 * 1000 * 1000,
135 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
137 .modalias = "ads7846",
139 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
141 .platform_data = &ads_info,
142 .irq = AT91SAM9263_ID_IRQ1,
151 static struct at91_mmc_data __initdata ek_mmc_data = {
153 .det_pin = AT91_PIN_PE18,
154 .wp_pin = AT91_PIN_PE19,
155 // .vcc_pin = ... not connected
160 * MACB Ethernet device
162 static struct at91_eth_data __initdata ek_macb_data = {
163 .phy_irq_pin = AT91_PIN_PE31,
171 static struct mtd_partition __initdata ek_nand_partition[] = {
173 .name = "Partition 1",
175 .size = 64 * 1024 * 1024,
178 .name = "Partition 2",
179 .offset = 64 * 1024 * 1024,
180 .size = MTDPART_SIZ_FULL,
184 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
186 *num_partitions = ARRAY_SIZE(ek_nand_partition);
187 return ek_nand_partition;
190 static struct at91_nand_data __initdata ek_nand_data = {
193 // .det_pin = ... not connected
194 .rdy_pin = AT91_PIN_PA22,
195 .enable_pin = AT91_PIN_PD15,
196 .partition_info = nand_partitions,
197 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
208 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
209 static struct fb_videomode at91_tft_vga_modes[] = {
211 .name = "TX09D50VM1CCA @ 60",
213 .xres = 240, .yres = 320,
214 .pixclock = KHZ2PICOS(4965),
216 .left_margin = 1, .right_margin = 33,
217 .upper_margin = 1, .lower_margin = 0,
218 .hsync_len = 5, .vsync_len = 1,
220 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
221 .vmode = FB_VMODE_NONINTERLACED,
225 static struct fb_monspecs at91fb_default_monspecs = {
226 .manufacturer = "HIT",
227 .monitor = "TX09D70VM1CCA",
229 .modedb = at91_tft_vga_modes,
230 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
237 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
238 | ATMEL_LCDC_DISTYPE_TFT \
239 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
241 static void at91_lcdc_power_control(int on)
243 at91_set_gpio_value(AT91_PIN_PA30, on);
247 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
248 .lcdcon_is_backlight = true,
250 .default_dmacon = ATMEL_LCDC_DMAEN,
251 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
252 .default_monspecs = &at91fb_default_monspecs,
253 .atmel_lcdfb_power_control = at91_lcdc_power_control,
258 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
265 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
266 static struct gpio_keys_button ek_buttons[] = {
267 { /* BP1, "leftclic" */
269 .gpio = AT91_PIN_PC5,
271 .desc = "left_click",
274 { /* BP2, "rightclic" */
276 .gpio = AT91_PIN_PC4,
278 .desc = "right_click",
283 static struct gpio_keys_platform_data ek_button_data = {
284 .buttons = ek_buttons,
285 .nbuttons = ARRAY_SIZE(ek_buttons),
288 static struct platform_device ek_button_device = {
293 .platform_data = &ek_button_data,
297 static void __init ek_add_device_buttons(void)
299 at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */
300 at91_set_deglitch(AT91_PIN_PC5, 1);
301 at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */
302 at91_set_deglitch(AT91_PIN_PC4, 1);
304 platform_device_register(&ek_button_device);
307 static void __init ek_add_device_buttons(void) {}
314 static struct atmel_ac97_data ek_ac97_data = {
315 .reset_pin = AT91_PIN_PA13,
320 * LEDs ... these could all be PWM-driven, for variable brightness
322 static struct gpio_led ek_leds[] = {
323 { /* "left" led, green, userled1, pwm1 */
325 .gpio = AT91_PIN_PB8,
327 .default_trigger = "mmc0",
329 { /* "right" led, green, userled2, pwm2 */
331 .gpio = AT91_PIN_PC29,
333 .default_trigger = "nand-disk",
335 { /* "power" led, yellow, pwm0 */
337 .gpio = AT91_PIN_PB7,
338 .default_trigger = "heartbeat",
343 static void __init ek_board_init(void)
346 at91_add_device_serial();
348 at91_add_device_usbh(&ek_usbh_data);
350 at91_add_device_udc(&ek_udc_data);
352 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
353 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
357 at91_add_device_mmc(1, &ek_mmc_data);
359 at91_add_device_eth(&ek_macb_data);
361 at91_add_device_nand(&ek_nand_data);
363 at91_add_device_i2c(NULL, 0);
365 at91_add_device_lcdc(&ek_lcdc_data);
367 ek_add_device_buttons();
369 at91_add_device_ac97(&ek_ac97_data);
371 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
374 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
375 /* Maintainer: Atmel */
376 .phys_io = AT91_BASE_SYS,
377 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
378 .boot_params = AT91_SDRAM_BASE + 0x100,
379 .timer = &at91sam926x_timer,
381 .init_irq = ek_init_irq,
382 .init_machine = ek_board_init,