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"
55 static void __init
ek_init_early(void)
57 /* Initialize processor: 12.000 MHz crystal */
58 at91_initialize(12000000);
62 * USB HS Host port (common to OHCI & EHCI)
64 static struct at91_usbh_data __initdata ek_usbh_hs_data
= {
66 .vbus_pin
= {AT91_PIN_PD1
, AT91_PIN_PD3
},
67 .vbus_pin_active_low
= {1, 1},
68 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
75 static struct usba_platform_data __initdata ek_usba_udc_data
= {
76 .vbus_pin
= AT91_PIN_PB19
,
83 static struct spi_board_info ek_spi_devices
[] = {
84 { /* DataFlash chip */
85 .modalias
= "mtd_dataflash",
87 .max_speed_hz
= 15 * 1000 * 1000,
96 static struct mci_platform_data __initdata mci0_data
= {
99 .detect_pin
= AT91_PIN_PD10
,
104 static struct mci_platform_data __initdata mci1_data
= {
107 .detect_pin
= AT91_PIN_PD11
,
108 .wp_pin
= AT91_PIN_PD29
,
114 * MACB Ethernet device
116 static struct macb_platform_data __initdata ek_macb_data
= {
117 .phy_irq_pin
= AT91_PIN_PD5
,
125 static struct mtd_partition __initdata ek_nand_partition
[] = {
127 .name
= "Partition 1",
132 .name
= "Partition 2",
133 .offset
= MTDPART_OFS_NXTBLK
,
134 .size
= MTDPART_SIZ_FULL
,
138 /* det_pin is not connected */
139 static struct atmel_nand_data __initdata ek_nand_data
= {
142 .rdy_pin
= AT91_PIN_PC8
,
143 .enable_pin
= AT91_PIN_PC14
,
145 .ecc_mode
= NAND_ECC_SOFT
,
147 .parts
= ek_nand_partition
,
148 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
151 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
154 .ncs_write_setup
= 0,
159 .ncs_write_pulse
= 4,
165 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
169 static void __init
ek_add_device_nand(void)
171 ek_nand_data
.bus_width_16
= board_have_nand_16bit();
172 /* setup bus-width (8 or 16) */
173 if (ek_nand_data
.bus_width_16
)
174 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
176 ek_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
178 /* configure chip-select 3 (NAND) */
179 sam9_smc_configure(0, 3, &ek_nand_smc_config
);
181 at91_add_device_nand(&ek_nand_data
);
188 static struct isi_platform_data __initdata isi_data
= {
189 .frate
= ISI_CFG1_FRATE_CAPTURE_ALL
,
190 /* to use codec and preview path simultaneously */
192 .data_width_flags
= ISI_DATAWIDTH_8
| ISI_DATAWIDTH_10
,
193 /* ISI_MCK is provided by programmable clock or external clock */
201 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
202 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
203 static unsigned long isi_camera_query_bus_param(struct soc_camera_link
*link
)
205 /* ISI board for ek using default 8-bits connection */
206 return SOCAM_DATAWIDTH_8
;
209 static int i2c_camera_power(struct device
*dev
, int on
)
211 /* enable or disable the camera */
212 pr_debug("%s: %s the camera\n", __func__
, on
? "ENABLE" : "DISABLE");
213 at91_set_gpio_output(AT91_PIN_PD13
, !on
);
218 /* If enabled, give a reset impulse */
219 at91_set_gpio_output(AT91_PIN_PD12
, 0);
221 at91_set_gpio_output(AT91_PIN_PD12
, 1);
228 static struct i2c_board_info i2c_camera
= {
229 I2C_BOARD_INFO("ov2640", 0x30),
232 static struct soc_camera_link iclink_ov2640
= {
234 .board_info
= &i2c_camera
,
236 .power
= i2c_camera_power
,
237 .query_bus_param
= isi_camera_query_bus_param
,
240 static struct platform_device isi_ov2640
= {
241 .name
= "soc-camera-pdrv",
244 .platform_data
= &iclink_ov2640
,
253 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
254 static struct fb_videomode at91_tft_vga_modes
[] = {
258 .xres
= 480, .yres
= 272,
259 .pixclock
= KHZ2PICOS(9000),
261 .left_margin
= 1, .right_margin
= 1,
262 .upper_margin
= 40, .lower_margin
= 1,
263 .hsync_len
= 45, .vsync_len
= 1,
266 .vmode
= FB_VMODE_NONINTERLACED
,
270 static struct fb_monspecs at91fb_default_monspecs
= {
271 .manufacturer
= "LG",
272 .monitor
= "LB043WQ1",
274 .modedb
= at91_tft_vga_modes
,
275 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
282 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
283 | ATMEL_LCDC_DISTYPE_TFT \
284 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
287 static struct atmel_lcdfb_info __initdata ek_lcdc_data
= {
288 .lcdcon_is_backlight
= true,
290 .default_dmacon
= ATMEL_LCDC_DMAEN
,
291 .default_lcdcon2
= AT91SAM9G45_DEFAULT_LCDCON2
,
292 .default_monspecs
= &at91fb_default_monspecs
,
294 .lcd_wiring_mode
= ATMEL_LCDC_WIRING_RGB
,
298 static struct atmel_lcdfb_info __initdata ek_lcdc_data
;
305 static struct at91_tsadcc_data ek_tsadcc_data
= {
307 .pendet_debounce
= 0x0d,
308 .ts_sample_hold_time
= 0x0a,
314 static struct at91_adc_data ek_adc_data
= {
315 .channels_used
= BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
316 .use_external_triggers
= true,
323 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
324 static struct gpio_keys_button ek_buttons
[] = {
325 { /* BP1, "leftclic" */
327 .gpio
= AT91_PIN_PB6
,
329 .desc
= "left_click",
332 { /* BP2, "rightclic" */
334 .gpio
= AT91_PIN_PB7
,
336 .desc
= "right_click",
339 /* BP3, "joystick" */
342 .gpio
= AT91_PIN_PB14
,
344 .desc
= "Joystick Left",
348 .gpio
= AT91_PIN_PB15
,
350 .desc
= "Joystick Right",
354 .gpio
= AT91_PIN_PB16
,
356 .desc
= "Joystick Up",
360 .gpio
= AT91_PIN_PB17
,
362 .desc
= "Joystick Down",
366 .gpio
= AT91_PIN_PB18
,
368 .desc
= "Joystick Press",
372 static struct gpio_keys_platform_data ek_button_data
= {
373 .buttons
= ek_buttons
,
374 .nbuttons
= ARRAY_SIZE(ek_buttons
),
377 static struct platform_device ek_button_device
= {
382 .platform_data
= &ek_button_data
,
386 static void __init
ek_add_device_buttons(void)
390 for (i
= 0; i
< ARRAY_SIZE(ek_buttons
); i
++) {
391 at91_set_GPIO_periph(ek_buttons
[i
].gpio
, 1);
392 at91_set_deglitch(ek_buttons
[i
].gpio
, 1);
395 platform_device_register(&ek_button_device
);
398 static void __init
ek_add_device_buttons(void) {}
404 * reset_pin is not connected: NRST
406 static struct ac97c_platform_data ek_ac97_data
= {
407 .reset_pin
= -EINVAL
,
412 * LEDs ... these could all be PWM-driven, for variable brightness
414 static struct gpio_led ek_leds
[] = {
415 { /* "top" led, red, powerled */
417 .gpio
= AT91_PIN_PD30
,
418 .default_trigger
= "heartbeat",
420 { /* "left" led, green, userled2, pwm3 */
422 .gpio
= AT91_PIN_PD0
,
424 .default_trigger
= "nand-disk",
426 #if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
427 { /* "right" led, green, userled1, pwm1 */
429 .gpio
= AT91_PIN_PD31
,
431 .default_trigger
= "mmc0",
440 static struct gpio_led ek_pwm_led
[] = {
441 #if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
442 { /* "right" led, green, userled1, pwm1 */
444 .gpio
= 1, /* is PWM channel number */
446 .default_trigger
= "none",
451 static struct platform_device
*devices
[] __initdata
= {
452 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
453 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
458 static void __init
ek_board_init(void)
461 /* DGBU on ttyS0. (Rx & Tx only) */
462 at91_register_uart(0, 0, 0);
464 /* USART0 not connected on the -EK board */
465 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
466 at91_register_uart(AT91SAM9G45_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
467 at91_add_device_serial();
469 at91_add_device_usbh_ohci(&ek_usbh_hs_data
);
470 at91_add_device_usbh_ehci(&ek_usbh_hs_data
);
472 at91_add_device_usba(&ek_usba_udc_data
);
474 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
476 at91_add_device_mci(0, &mci0_data
);
477 at91_add_device_mci(1, &mci1_data
);
479 at91_add_device_eth(&ek_macb_data
);
481 ek_add_device_nand();
483 at91_add_device_i2c(0, NULL
, 0);
484 /* ISI, using programmable clock as ISI_MCK */
485 at91_add_device_isi(&isi_data
, true);
487 at91_add_device_lcdc(&ek_lcdc_data
);
489 at91_add_device_tsadcc(&ek_tsadcc_data
);
491 at91_add_device_adc(&ek_adc_data
);
493 ek_add_device_buttons();
495 at91_add_device_ac97(&ek_ac97_data
);
497 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
498 at91_pwm_leds(ek_pwm_led
, ARRAY_SIZE(ek_pwm_led
));
499 /* Other platform devices */
500 platform_add_devices(devices
, ARRAY_SIZE(devices
));
503 MACHINE_START(AT91SAM9M10G45EK
, "Atmel AT91SAM9M10G45-EK")
504 /* Maintainer: Atmel */
505 .init_time
= at91sam926x_pit_init
,
506 .map_io
= at91_map_io
,
507 .handle_irq
= at91_aic_handle_irq
,
508 .init_early
= ek_init_early
,
509 .init_irq
= at91_init_irq_default
,
510 .init_machine
= ek_board_init
,