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/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 at91_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);
74 static struct at91_usbh_data __initdata ek_usbh_data = {
76 .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
77 .vbus_pin_active_low = {1, 1},
78 .overcurrent_pin= {-EINVAL, -EINVAL},
84 static struct at91_udc_data __initdata ek_udc_data = {
85 .vbus_pin = AT91_PIN_PA25,
86 .pullup_pin = -EINVAL, /* 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,
161 * MACB Ethernet device
163 static struct macb_platform_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 atmel_nand_data __initdata ek_nand_data = {
189 .rdy_pin = AT91_PIN_PA22,
190 .enable_pin = AT91_PIN_PD15,
191 .ecc_mode = NAND_ECC_SOFT,
193 .parts = ek_nand_partition,
194 .num_parts = ARRAY_SIZE(ek_nand_partition),
197 static struct sam9_smc_config __initdata ek_nand_smc_config = {
200 .ncs_write_setup = 0,
205 .ncs_write_pulse = 3,
211 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
215 static void __init ek_add_device_nand(void)
217 ek_nand_data.bus_width_16 = board_have_nand_16bit();
218 /* setup bus-width (8 or 16) */
219 if (ek_nand_data.bus_width_16)
220 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
222 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
224 /* configure chip-select 3 (NAND) */
225 sam9_smc_configure(0, 3, &ek_nand_smc_config);
227 at91_add_device_nand(&ek_nand_data);
234 static struct at24_platform_data at24c512 = {
235 .byte_len = SZ_512K / 8,
237 .flags = AT24_FLAG_ADDR16,
241 static struct i2c_board_info __initdata ek_i2c_devices[] = {
243 I2C_BOARD_INFO("24c512", 0x50),
244 .platform_data = &at24c512,
246 /* more devices can be added using expansion connectors */
252 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
253 static struct fb_videomode at91_tft_vga_modes[] = {
255 .name = "TX09D50VM1CCA @ 60",
257 .xres = 240, .yres = 320,
258 .pixclock = KHZ2PICOS(4965),
260 .left_margin = 1, .right_margin = 33,
261 .upper_margin = 1, .lower_margin = 0,
262 .hsync_len = 5, .vsync_len = 1,
264 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
265 .vmode = FB_VMODE_NONINTERLACED,
269 static struct fb_monspecs at91fb_default_monspecs = {
270 .manufacturer = "HIT",
271 .monitor = "TX09D70VM1CCA",
273 .modedb = at91_tft_vga_modes,
274 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
281 #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
282 | ATMEL_LCDC_DISTYPE_TFT \
283 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
285 static void at91_lcdc_power_control(int on)
287 at91_set_gpio_value(AT91_PIN_PA30, on);
291 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
292 .lcdcon_is_backlight = true,
294 .default_dmacon = ATMEL_LCDC_DMAEN,
295 .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2,
296 .default_monspecs = &at91fb_default_monspecs,
297 .atmel_lcdfb_power_control = at91_lcdc_power_control,
302 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
309 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
310 static struct gpio_keys_button ek_buttons[] = {
311 { /* BP1, "leftclic" */
313 .gpio = AT91_PIN_PC5,
315 .desc = "left_click",
318 { /* BP2, "rightclic" */
320 .gpio = AT91_PIN_PC4,
322 .desc = "right_click",
327 static struct gpio_keys_platform_data ek_button_data = {
328 .buttons = ek_buttons,
329 .nbuttons = ARRAY_SIZE(ek_buttons),
332 static struct platform_device ek_button_device = {
337 .platform_data = &ek_button_data,
341 static void __init ek_add_device_buttons(void)
343 at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
344 at91_set_deglitch(AT91_PIN_PC5, 1);
345 at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
346 at91_set_deglitch(AT91_PIN_PC4, 1);
348 platform_device_register(&ek_button_device);
351 static void __init ek_add_device_buttons(void) {}
357 * reset_pin is not connected: NRST
359 static struct ac97c_platform_data ek_ac97_data = {
360 .reset_pin = -EINVAL,
365 * LEDs ... these could all be PWM-driven, for variable brightness
367 static struct gpio_led ek_leds[] = {
368 { /* "right" led, green, userled2 (could be driven by pwm2) */
370 .gpio = AT91_PIN_PC29,
372 .default_trigger = "nand-disk",
374 { /* "power" led, yellow (could be driven by pwm0) */
376 .gpio = AT91_PIN_PB7,
377 .default_trigger = "heartbeat",
384 static struct gpio_led ek_pwm_led[] = {
385 /* For now only DS1 is PWM-driven (by pwm1) */
388 .gpio = 1, /* is PWM channel number */
390 .default_trigger = "none",
397 static void sam9263ek_transceiver_switch(int on)
400 at91_set_gpio_output(AT91_PIN_PA18, 1); /* CANRXEN */
401 at91_set_gpio_output(AT91_PIN_PA19, 0); /* CANRS */
403 at91_set_gpio_output(AT91_PIN_PA18, 0); /* CANRXEN */
404 at91_set_gpio_output(AT91_PIN_PA19, 1); /* CANRS */
408 static struct at91_can_data ek_can_data = {
409 .transceiver_switch = sam9263ek_transceiver_switch,
412 static void __init ek_board_init(void)
415 at91_add_device_serial();
417 at91_add_device_usbh(&ek_usbh_data);
419 at91_add_device_udc(&ek_udc_data);
421 at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */
422 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
426 at91_add_device_mmc(1, &ek_mmc_data);
428 at91_add_device_eth(&ek_macb_data);
430 ek_add_device_nand();
432 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
434 at91_add_device_lcdc(&ek_lcdc_data);
436 ek_add_device_buttons();
438 at91_add_device_ac97(&ek_ac97_data);
440 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
441 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
443 at91_add_device_can(&ek_can_data);
446 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
447 /* Maintainer: Atmel */
448 .timer = &at91sam926x_timer,
449 .map_io = at91_map_io,
450 .init_early = ek_init_early,
451 .init_irq = at91_init_irq_default,
452 .init_machine = ek_board_init,