2 * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
4 * Covers: * AT91SAM9G45-EKES board
5 * * AT91SAM9M10G45-EK board
7 * Copyright (C) 2009 Atmel Corporation.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
16 #include <linux/types.h>
17 #include <linux/gpio.h>
18 #include <linux/init.h>
20 #include <linux/module.h>
21 #include <linux/platform_device.h>
22 #include <linux/spi/spi.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <linux/leds.h>
27 #include <linux/atmel-mci.h>
28 #include <linux/delay.h>
30 #include <linux/platform_data/at91_adc.h>
32 #include <mach/hardware.h>
33 #include <video/atmel_lcdc.h>
34 #include <media/soc_camera.h>
35 #include <media/atmel-isi.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/at91sam9_smc.h>
46 #include <mach/system_rev.h>
49 #include "at91_shdwc.h"
56 static void __init ek_init_early(void)
58 /* Initialize processor: 12.000 MHz crystal */
59 at91_initialize(12000000);
63 * USB HS Host port (common to OHCI & EHCI)
65 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
67 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
68 .vbus_pin_active_low = {1, 1},
69 .overcurrent_pin= {-EINVAL, -EINVAL},
76 static struct usba_platform_data __initdata ek_usba_udc_data = {
77 .vbus_pin = AT91_PIN_PB19,
84 static struct spi_board_info ek_spi_devices[] = {
85 { /* DataFlash chip */
86 .modalias = "mtd_dataflash",
88 .max_speed_hz = 15 * 1000 * 1000,
97 static struct mci_platform_data __initdata mci0_data = {
100 .detect_pin = AT91_PIN_PD10,
105 static struct mci_platform_data __initdata mci1_data = {
108 .detect_pin = AT91_PIN_PD11,
109 .wp_pin = AT91_PIN_PD29,
115 * MACB Ethernet device
117 static struct macb_platform_data __initdata ek_macb_data = {
118 .phy_irq_pin = AT91_PIN_PD5,
126 static struct mtd_partition __initdata ek_nand_partition[] = {
128 .name = "Partition 1",
133 .name = "Partition 2",
134 .offset = MTDPART_OFS_NXTBLK,
135 .size = MTDPART_SIZ_FULL,
139 /* det_pin is not connected */
140 static struct atmel_nand_data __initdata ek_nand_data = {
143 .rdy_pin = AT91_PIN_PC8,
144 .enable_pin = AT91_PIN_PC14,
146 .ecc_mode = NAND_ECC_SOFT,
148 .parts = ek_nand_partition,
149 .num_parts = ARRAY_SIZE(ek_nand_partition),
152 static struct sam9_smc_config __initdata ek_nand_smc_config = {
155 .ncs_write_setup = 0,
160 .ncs_write_pulse = 4,
166 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
170 static void __init ek_add_device_nand(void)
172 ek_nand_data.bus_width_16 = board_have_nand_16bit();
173 /* setup bus-width (8 or 16) */
174 if (ek_nand_data.bus_width_16)
175 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
177 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
179 /* configure chip-select 3 (NAND) */
180 sam9_smc_configure(0, 3, &ek_nand_smc_config);
182 at91_add_device_nand(&ek_nand_data);
189 static struct isi_platform_data __initdata isi_data = {
190 .frate = ISI_CFG1_FRATE_CAPTURE_ALL,
191 /* to use codec and preview path simultaneously */
193 .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
194 /* ISI_MCK is provided by programmable clock or external clock */
202 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
203 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
204 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
206 /* ISI board for ek using default 8-bits connection */
207 return SOCAM_DATAWIDTH_8;
210 static int i2c_camera_power(struct device *dev, int on)
212 /* enable or disable the camera */
213 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
214 at91_set_gpio_output(AT91_PIN_PD13, !on);
219 /* If enabled, give a reset impulse */
220 at91_set_gpio_output(AT91_PIN_PD12, 0);
222 at91_set_gpio_output(AT91_PIN_PD12, 1);
229 static struct i2c_board_info i2c_camera = {
230 I2C_BOARD_INFO("ov2640", 0x30),
233 static struct soc_camera_link iclink_ov2640 = {
235 .board_info = &i2c_camera,
237 .power = i2c_camera_power,
238 .query_bus_param = isi_camera_query_bus_param,
241 static struct platform_device isi_ov2640 = {
242 .name = "soc-camera-pdrv",
245 .platform_data = &iclink_ov2640,
254 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
255 static struct fb_videomode at91_tft_vga_modes[] = {
259 .xres = 480, .yres = 272,
260 .pixclock = KHZ2PICOS(9000),
262 .left_margin = 1, .right_margin = 1,
263 .upper_margin = 40, .lower_margin = 1,
264 .hsync_len = 45, .vsync_len = 1,
267 .vmode = FB_VMODE_NONINTERLACED,
271 static struct fb_monspecs at91fb_default_monspecs = {
272 .manufacturer = "LG",
273 .monitor = "LB043WQ1",
275 .modedb = at91_tft_vga_modes,
276 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
283 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
284 | ATMEL_LCDC_DISTYPE_TFT \
285 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
288 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
289 .lcdcon_is_backlight = true,
291 .default_dmacon = ATMEL_LCDC_DMAEN,
292 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
293 .default_monspecs = &at91fb_default_monspecs,
295 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
299 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
304 * ADCs and touchscreen
306 static struct at91_adc_data ek_adc_data = {
307 .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
308 .use_external_triggers = true,
310 .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE,
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_PB6,
322 .desc = "left_click",
325 { /* BP2, "rightclic" */
327 .gpio = AT91_PIN_PB7,
329 .desc = "right_click",
332 /* BP3, "joystick" */
335 .gpio = AT91_PIN_PB14,
337 .desc = "Joystick Left",
341 .gpio = AT91_PIN_PB15,
343 .desc = "Joystick Right",
347 .gpio = AT91_PIN_PB16,
349 .desc = "Joystick Up",
353 .gpio = AT91_PIN_PB17,
355 .desc = "Joystick Down",
359 .gpio = AT91_PIN_PB18,
361 .desc = "Joystick Press",
365 static struct gpio_keys_platform_data ek_button_data = {
366 .buttons = ek_buttons,
367 .nbuttons = ARRAY_SIZE(ek_buttons),
370 static struct platform_device ek_button_device = {
375 .platform_data = &ek_button_data,
379 static void __init ek_add_device_buttons(void)
383 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
384 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
385 at91_set_deglitch(ek_buttons[i].gpio, 1);
388 platform_device_register(&ek_button_device);
391 static void __init ek_add_device_buttons(void) {}
397 * reset_pin is not connected: NRST
399 static struct ac97c_platform_data ek_ac97_data = {
400 .reset_pin = -EINVAL,
405 * LEDs ... these could all be PWM-driven, for variable brightness
407 static struct gpio_led ek_leds[] = {
408 { /* "top" led, red, powerled */
410 .gpio = AT91_PIN_PD30,
411 .default_trigger = "heartbeat",
413 { /* "left" led, green, userled2, pwm3 */
415 .gpio = AT91_PIN_PD0,
417 .default_trigger = "nand-disk",
419 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
420 { /* "right" led, green, userled1, pwm1 */
422 .gpio = AT91_PIN_PD31,
424 .default_trigger = "mmc0",
433 static struct gpio_led ek_pwm_led[] = {
434 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
435 { /* "right" led, green, userled1, pwm1 */
437 .gpio = 1, /* is PWM channel number */
439 .default_trigger = "none",
444 static struct platform_device *devices[] __initdata = {
445 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
446 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
451 static void __init ek_board_init(void)
454 /* DGBU on ttyS0. (Rx & Tx only) */
455 at91_register_uart(0, 0, 0);
457 /* USART0 not connected on the -EK board */
458 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
459 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
460 at91_add_device_serial();
462 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
463 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
465 at91_add_device_usba(&ek_usba_udc_data);
467 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
469 at91_add_device_mci(0, &mci0_data);
470 at91_add_device_mci(1, &mci1_data);
472 at91_add_device_eth(&ek_macb_data);
474 ek_add_device_nand();
476 at91_add_device_i2c(0, NULL, 0);
477 /* ISI, using programmable clock as ISI_MCK */
478 at91_add_device_isi(&isi_data, true);
480 at91_add_device_lcdc(&ek_lcdc_data);
481 /* ADC and touchscreen */
482 at91_add_device_adc(&ek_adc_data);
484 ek_add_device_buttons();
486 at91_add_device_ac97(&ek_ac97_data);
488 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
489 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
490 /* Other platform devices */
491 platform_add_devices(devices, ARRAY_SIZE(devices));
494 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
495 /* Maintainer: Atmel */
496 .init_time = at91sam926x_pit_init,
497 .map_io = at91_map_io,
498 .handle_irq = at91_aic_handle_irq,
499 .init_early = ek_init_early,
500 .init_irq = at91_init_irq_default,
501 .init_machine = ek_board_init,