[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-at91 / board-usb-a926x.c

/*
 * linux/arch/arm/mach-at91/board-usb-a926x.c
 *
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2007 Atmel Corporation.
 *  Copyright (C) 2007 Calao-systems
 *  Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/spi/mmc_spi.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <mach/at91sam9_smc.h>

#include "at91_aic.h"
#include "at91_shdwc.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"


static void __init ek_init_early(void)
{
	/* Initialize processor: 12.00 MHz crystal */
	at91_initialize(12000000);
}

/*
 * USB Host port
 */
static struct at91_usbh_data __initdata ek_usbh_data = {
	.ports		= 2,
	.vbus_pin	= {-EINVAL, -EINVAL},
	.overcurrent_pin= {-EINVAL, -EINVAL},
};

/*
 * USB Device port
 */
static struct at91_udc_data __initdata ek_udc_data = {
	.vbus_pin	= AT91_PIN_PB11,
	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
};

static void __init ek_add_device_udc(void)
{
	if (machine_is_usb_a9260() || machine_is_usb_a9g20())
		ek_udc_data.vbus_pin = AT91_PIN_PC5;

	at91_add_device_udc(&ek_udc_data);
}

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4
static int at91_mmc_spi_init(struct device *dev,
	irqreturn_t (*detect_int)(int, void *), void *data)
{
	/* Configure Interrupt pin as input, no pull-up */
	at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0);
	return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int,
		IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
		"mmc-spi-detect", data);
}

static void at91_mmc_spi_exit(struct device *dev, void *data)
{
	free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data);
}

static struct mmc_spi_platform_data at91_mmc_spi_pdata = {
	.init = at91_mmc_spi_init,
	.exit = at91_mmc_spi_exit,
	.detect_delay = 100, /* msecs */
};
#endif

/*
 * SPI devices.
 */
static struct spi_board_info usb_a9263_spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	}
};

static struct spi_board_info usb_a9g20_spi_devices[] = {
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
	{
		.modalias = "mmc_spi",
		.max_speed_hz = 20000000,	/* max spi clock (SCK) speed in HZ */
		.bus_num = 1,
		.chip_select = 0,
		.platform_data = &at91_mmc_spi_pdata,
		.mode = SPI_MODE_3,
	},
#endif
};

static void __init ek_add_device_spi(void)
{
	if (machine_is_usb_a9263())
		at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices));
	else if (machine_is_usb_a9g20())
		at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices));
}

/*
 * MACB Ethernet device
 */
static struct macb_platform_data __initdata ek_macb_data = {
	.phy_irq_pin	= AT91_PIN_PE31,
	.is_rmii	= 1,
};

static void __init ek_add_device_eth(void)
{
	if (machine_is_usb_a9260() || machine_is_usb_a9g20())
		ek_macb_data.phy_irq_pin = AT91_PIN_PA31;

	at91_add_device_eth(&ek_macb_data);
}

/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name	= "barebox",
		.offset	= 0,
		.size	= 3 * SZ_128K,
	}, {
		.name	= "bareboxenv",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= SZ_128K,
	}, {
		.name	= "bareboxenv2",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= SZ_128K,
	}, {
		.name	= "oftree",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= SZ_128K,
	}, {
		.name	= "kernel",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 4 * SZ_1M,
	}, {
		.name	= "rootfs",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 120 * SZ_1M,
	}, {
		.name	= "data",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,
	}
};

static struct atmel_nand_data __initdata ek_nand_data = {
	.ale		= 21,
	.cle		= 22,
	.det_pin	= -EINVAL,
	.rdy_pin	= AT91_PIN_PA22,
	.enable_pin	= AT91_PIN_PD15,
	.ecc_mode	= NAND_ECC_SOFT,
	.on_flash_bbt	= 1,
	.parts		= ek_nand_partition,
	.num_parts	= ARRAY_SIZE(ek_nand_partition),
};

static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 1,
	.ncs_write_setup	= 0,
	.nwe_setup		= 1,

	.ncs_read_pulse		= 3,
	.nrd_pulse		= 3,
	.ncs_write_pulse	= 3,
	.nwe_pulse		= 3,

	.read_cycle		= 5,
	.write_cycle		= 5,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
	.tdf_cycles		= 2,
};

static struct sam9_smc_config __initdata usb_a9g20_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 2,
	.ncs_write_setup	= 0,
	.nwe_setup		= 2,

	.ncs_read_pulse		= 4,
	.nrd_pulse		= 4,
	.ncs_write_pulse	= 4,
	.nwe_pulse		= 4,

	.read_cycle		= 7,
	.write_cycle		= 7,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
	.tdf_cycles		= 3,
};

static void __init ek_add_device_nand(void)
{
	if (machine_is_usb_a9260() || machine_is_usb_a9g20()) {
		ek_nand_data.rdy_pin	= AT91_PIN_PC13;
		ek_nand_data.enable_pin	= AT91_PIN_PC14;
	}

	/* configure chip-select 3 (NAND) */
	if (machine_is_usb_a9g20())
		sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config);
	else
		sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config);

	at91_add_device_nand(&ek_nand_data);
}


/*
 * GPIO Buttons
 */
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button ek_buttons[] = {
	{	/* USER PUSH BUTTON */
		.code		= KEY_ENTER,
		.gpio		= AT91_PIN_PB10,
		.active_low	= 1,
		.desc		= "user_pb",
		.wakeup		= 1,
	}
};

static struct gpio_keys_platform_data ek_button_data = {
	.buttons	= ek_buttons,
	.nbuttons	= ARRAY_SIZE(ek_buttons),
};

static struct platform_device ek_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &ek_button_data,
	}
};

static void __init ek_add_device_buttons(void)
{
	at91_set_GPIO_periph(AT91_PIN_PB10, 1);	/* user push button, pull up enabled */
	at91_set_deglitch(AT91_PIN_PB10, 1);

	platform_device_register(&ek_button_device);
}
#else
static void __init ek_add_device_buttons(void) {}
#endif

/*
 * LEDs
 */
static struct gpio_led ek_leds[] = {
	{	/* user_led (green) */
		.name			= "user_led",
		.gpio			= AT91_PIN_PB21,
		.active_low		= 1,
		.default_trigger	= "heartbeat",
	}
};

static struct i2c_board_info __initdata ek_i2c_devices[] = {
	{
		I2C_BOARD_INFO("rv3029c2", 0x56),
	},
};

static void __init ek_add_device_leds(void)
{
	if (machine_is_usb_a9260() || machine_is_usb_a9g20())
		ek_leds[0].active_low = 0;

	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}

static void __init ek_board_init(void)
{
	/* Serial */
	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);
	at91_add_device_serial();
	/* USB Host */
	at91_add_device_usbh(&ek_usbh_data);
	/* USB Device */
	ek_add_device_udc();
	/* SPI */
	ek_add_device_spi();
	/* Ethernet */
	ek_add_device_eth();
	/* NAND */
	ek_add_device_nand();
	/* Push Buttons */
	ek_add_device_buttons();
	/* LEDs */
	ek_add_device_leds();

	if (machine_is_usb_a9g20()) {
		/* I2C */
		at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	} else {
		/* I2C */
		at91_add_device_i2c(NULL, 0);
		/* shutdown controller, wakeup button (5 msec low) */
		at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
				| AT91_SHDW_WKMODE0_LOW
				| AT91_SHDW_RTTWKEN);
	}
}

MACHINE_START(USB_A9263, "CALAO USB_A9263")
	/* Maintainer: calao-systems */
	.timer		= &at91sam926x_timer,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= ek_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= ek_board_init,
MACHINE_END

MACHINE_START(USB_A9260, "CALAO USB_A9260")
	/* Maintainer: calao-systems */
	.timer		= &at91sam926x_timer,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= ek_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= ek_board_init,
MACHINE_END

MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
	/* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
	.timer		= &at91sam926x_timer,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= ek_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= ek_board_init,
MACHINE_END
Commit	Line	Data
ca0a789a	1	/*
6939fd49	2	* linux/arch/arm/mach-at91/board-usb-a926x.c
ca0a789a AV	3	*
	4	* Copyright (C) 2005 SAN People
	5	* Copyright (C) 2007 Atmel Corporation.
	6	* Copyright (C) 2007 Calao-systems
0a072a24	7	* Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
ca0a789a AV	8	*
	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.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*/
	23
	24	#include <linux/types.h>
	25	#include <linux/init.h>
	26	#include <linux/mm.h>
	27	#include <linux/module.h>
	28	#include <linux/platform_device.h>
	29	#include <linux/spi/spi.h>
	30	#include <linux/gpio_keys.h>
33533277	31	#include <linux/gpio.h>
ca0a789a	32	#include <linux/input.h>
0a072a24	33	#include <linux/spi/mmc_spi.h>
ca0a789a	34
ca0a789a AV	35	#include <asm/setup.h>
	36	#include <asm/mach-types.h>
	37	#include <asm/irq.h>
	38
	39	#include <asm/mach/arch.h>
	40	#include <asm/mach/map.h>
	41	#include <asm/mach/irq.h>
	42
e505240b	43	#include <mach/hardware.h>
8cdae51a	44	#include <mach/at91sam9_smc.h>
ca0a789a	45
a510b9ba	46	#include "at91_aic.h"
176bdd2c	47	#include "at91_shdwc.h"
43d2f532	48	#include "board.h"
8cdae51a	49	#include "sam9_smc.h"
ca0a789a AV	50	#include "generic.h"
	51
	52
1b021a3b	53	static void __init ek_init_early(void)
ca0a789a AV	54	{
ca0a789a AV	55	/* Initialize processor: 12.00 MHz crystal */
21d08b9d	56	at91_initialize(12000000);
ca0a789a AV	57	}
ca0a789a AV	58
ca0a789a AV	59	/*
	60	* USB Host port
	61	*/
	62	static struct at91_usbh_data __initdata ek_usbh_data = {
	63	.ports = 2,
63b4c296 JCPV	64	.vbus_pin = {-EINVAL, -EINVAL},
63b4c296 JCPV	65	.overcurrent_pin= {-EINVAL, -EINVAL},
ca0a789a AV	66	};
	67
	68	/*
	69	* USB Device port
	70	*/
	71	static struct at91_udc_data __initdata ek_udc_data = {
	72	.vbus_pin = AT91_PIN_PB11,
63b4c296	73	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
ca0a789a AV	74	};
ca0a789a AV	75
0a072a24	76	static void __init ek_add_device_udc(void)
6939fd49	77	{
0a072a24	78	if (machine_is_usb_a9260() \|\| machine_is_usb_a9g20())
6939fd49 NE	79	ek_udc_data.vbus_pin = AT91_PIN_PC5;
	80
	81	at91_add_device_udc(&ek_udc_data);
	82	}
	83
0a072a24 JCPV	84	#if defined(CONFIG_MMC_SPI) \|\| defined(CONFIG_MMC_SPI_MODULE)
	85	#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4
	86	static int at91_mmc_spi_init(struct device *dev,
	87	irqreturn_t (detect_int)(int, void ), void *data)
	88	{
	89	/* Configure Interrupt pin as input, no pull-up */
	90	at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0);
	91	return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int,
	92	IRQF_TRIGGER_FALLING \| IRQF_TRIGGER_RISING,
	93	"mmc-spi-detect", data);
	94	}
	95
	96	static void at91_mmc_spi_exit(struct device dev, void data)
	97	{
	98	free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data);
	99	}
	100
	101	static struct mmc_spi_platform_data at91_mmc_spi_pdata = {
	102	.init = at91_mmc_spi_init,
	103	.exit = at91_mmc_spi_exit,
	104	.detect_delay = 100, /* msecs */
	105	};
	106	#endif
	107
ca0a789a AV	108	/*
	109	* SPI devices.
	110	*/
0a072a24	111	static struct spi_board_info usb_a9263_spi_devices[] = {
ca0a789a AV	112	{ /* DataFlash chip */
	113	.modalias = "mtd_dataflash",
	114	.chip_select = 0,
	115	.max_speed_hz = 15 * 1000 * 1000,
	116	.bus_num = 0,
	117	}
ca0a789a AV	118	};
ca0a789a AV	119
0a072a24 JCPV	120	static struct spi_board_info usb_a9g20_spi_devices[] = {
	121	#if defined(CONFIG_MMC_SPI) \|\| defined(CONFIG_MMC_SPI_MODULE)
	122	{
	123	.modalias = "mmc_spi",
	124	.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
	125	.bus_num = 1,
	126	.chip_select = 0,
	127	.platform_data = &at91_mmc_spi_pdata,
	128	.mode = SPI_MODE_3,
	129	},
	130	#endif
	131	};
	132
	133	static void __init ek_add_device_spi(void)
6939fd49 NE	134	{
6939fd49 NE	135	if (machine_is_usb_a9263())
0a072a24 JCPV	136	at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices));
	137	else if (machine_is_usb_a9g20())
	138	at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices));
6939fd49 NE	139	}
6939fd49 NE	140
ca0a789a AV	141	/*
	142	* MACB Ethernet device
	143	*/
84e0cdb0	144	static struct macb_platform_data __initdata ek_macb_data = {
ca0a789a AV	145	.phy_irq_pin = AT91_PIN_PE31,
	146	.is_rmii = 1,
	147	};
	148
0a072a24	149	static void __init ek_add_device_eth(void)
6939fd49	150	{
0a072a24	151	if (machine_is_usb_a9260() \|\| machine_is_usb_a9g20())
6939fd49 NE	152	ek_macb_data.phy_irq_pin = AT91_PIN_PA31;
	153
	154	at91_add_device_eth(&ek_macb_data);
	155	}
	156
ca0a789a AV	157	/*
	158	* NAND flash
	159	*/
	160	static struct mtd_partition __initdata ek_nand_partition[] = {
	161	{
0a072a24	162	.name = "barebox",
e505240b	163	.offset = 0,
0a072a24 JCPV	164	.size = 3 * SZ_128K,
	165	}, {
	166	.name = "bareboxenv",
e505240b	167	.offset = MTDPART_OFS_NXTBLK,
0a072a24 JCPV	168	.size = SZ_128K,
	169	}, {
	170	.name = "bareboxenv2",
	171	.offset = MTDPART_OFS_NXTBLK,
	172	.size = SZ_128K,
d7850477 JCPV	173	}, {
	174	.name = "oftree",
	175	.offset = MTDPART_OFS_NXTBLK,
	176	.size = SZ_128K,
0a072a24 JCPV	177	}, {
	178	.name = "kernel",
	179	.offset = MTDPART_OFS_NXTBLK,
	180	.size = 4 * SZ_1M,
	181	}, {
	182	.name = "rootfs",
e505240b AV	183	.offset = MTDPART_OFS_NXTBLK,
e505240b AV	184	.size = 120 * SZ_1M,
0a072a24 JCPV	185	}, {
	186	.name = "data",
	187	.offset = MTDPART_OFS_NXTBLK,
	188	.size = MTDPART_SIZ_FULL,
ca0a789a AV	189	}
	190	};
	191
7c896834	192	static struct atmel_nand_data __initdata ek_nand_data = {
ca0a789a AV	193	.ale = 21,
ca0a789a AV	194	.cle = 22,
63b4c296	195	.det_pin = -EINVAL,
ca0a789a AV	196	.rdy_pin = AT91_PIN_PA22,
ca0a789a AV	197	.enable_pin = AT91_PIN_PD15,
bf4289cb	198	.ecc_mode = NAND_ECC_SOFT,
98619dcb	199	.on_flash_bbt = 1,
1754aab9 DES	200	.parts = ek_nand_partition,
1754aab9 DES	201	.num_parts = ARRAY_SIZE(ek_nand_partition),
ca0a789a AV	202	};
ca0a789a AV	203
0a072a24	204	static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = {
8cdae51a AV	205	.ncs_read_setup = 0,
	206	.nrd_setup = 1,
	207	.ncs_write_setup = 0,
	208	.nwe_setup = 1,
	209
	210	.ncs_read_pulse = 3,
	211	.nrd_pulse = 3,
	212	.ncs_write_pulse = 3,
	213	.nwe_pulse = 3,
	214
	215	.read_cycle = 5,
	216	.write_cycle = 5,
	217
	218	.mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_DBW_8,
	219	.tdf_cycles = 2,
	220	};
	221
0a072a24 JCPV	222	static struct sam9_smc_config __initdata usb_a9g20_nand_smc_config = {
	223	.ncs_read_setup = 0,
	224	.nrd_setup = 2,
	225	.ncs_write_setup = 0,
	226	.nwe_setup = 2,
	227
	228	.ncs_read_pulse = 4,
	229	.nrd_pulse = 4,
	230	.ncs_write_pulse = 4,
	231	.nwe_pulse = 4,
	232
	233	.read_cycle = 7,
	234	.write_cycle = 7,
	235
	236	.mode = AT91_SMC_READMODE \| AT91_SMC_WRITEMODE \| AT91_SMC_EXNWMODE_DISABLE \| AT91_SMC_DBW_8,
	237	.tdf_cycles = 3,
	238	};
	239
8cdae51a AV	240	static void __init ek_add_device_nand(void)
8cdae51a AV	241	{
0a072a24	242	if (machine_is_usb_a9260() \|\| machine_is_usb_a9g20()) {
6939fd49 NE	243	ek_nand_data.rdy_pin = AT91_PIN_PC13;
	244	ek_nand_data.enable_pin = AT91_PIN_PC14;
	245	}
	246
8cdae51a	247	/* configure chip-select 3 (NAND) */
0a072a24	248	if (machine_is_usb_a9g20())
faee0cc3	249	sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config);
0a072a24	250	else
faee0cc3	251	sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config);
8cdae51a AV	252
	253	at91_add_device_nand(&ek_nand_data);
	254	}
	255
	256
ca0a789a AV	257	/*
	258	* GPIO Buttons
	259	*/
	260	#if defined(CONFIG_KEYBOARD_GPIO) \|\| defined(CONFIG_KEYBOARD_GPIO_MODULE)
	261	static struct gpio_keys_button ek_buttons[] = {
	262	{ /* USER PUSH BUTTON */
	263	.code = KEY_ENTER,
	264	.gpio = AT91_PIN_PB10,
	265	.active_low = 1,
	266	.desc = "user_pb",
	267	.wakeup = 1,
	268	}
	269	};
	270
	271	static struct gpio_keys_platform_data ek_button_data = {
	272	.buttons = ek_buttons,
	273	.nbuttons = ARRAY_SIZE(ek_buttons),
	274	};
	275
	276	static struct platform_device ek_button_device = {
	277	.name = "gpio-keys",
	278	.id = -1,
	279	.num_resources = 0,
	280	.dev = {
	281	.platform_data = &ek_button_data,
	282	}
	283	};
	284
	285	static void __init ek_add_device_buttons(void)
	286	{
	287	at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
	288	at91_set_deglitch(AT91_PIN_PB10, 1);
	289
	290	platform_device_register(&ek_button_device);
	291	}
	292	#else
	293	static void __init ek_add_device_buttons(void) {}
	294	#endif
	295
	296	/*
	297	* LEDs
	298	*/
	299	static struct gpio_led ek_leds[] = {
	300	{ /* user_led (green) */
	301	.name = "user_led",
	302	.gpio = AT91_PIN_PB21,
	303	.active_low = 1,
	304	.default_trigger = "heartbeat",
	305	}
	306	};
	307
0a072a24 JCPV	308	static struct i2c_board_info __initdata ek_i2c_devices[] = {
	309	{
	310	I2C_BOARD_INFO("rv3029c2", 0x56),
	311	},
	312	};
	313
	314	static void __init ek_add_device_leds(void)
6939fd49	315	{
0a072a24	316	if (machine_is_usb_a9260() \|\| machine_is_usb_a9g20())
6939fd49 NE	317	ek_leds[0].active_low = 0;
	318
	319	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	320	}
	321
ca0a789a AV	322	static void __init ek_board_init(void)
	323	{
	324	/* Serial */
71b149b3 JCPV	325	/* DBGU on ttyS0. (Rx & Tx only) */
71b149b3 JCPV	326	at91_register_uart(0, 0, 0);
ca0a789a AV	327	at91_add_device_serial();
	328	/* USB Host */
	329	at91_add_device_usbh(&ek_usbh_data);
	330	/* USB Device */
6939fd49	331	ek_add_device_udc();
ca0a789a	332	/* SPI */
6939fd49	333	ek_add_device_spi();
ca0a789a	334	/* Ethernet */
6939fd49	335	ek_add_device_eth();
ca0a789a	336	/* NAND */
8cdae51a	337	ek_add_device_nand();
ca0a789a AV	338	/* Push Buttons */
	339	ek_add_device_buttons();
	340	/* LEDs */
6939fd49	341	ek_add_device_leds();
0a072a24 JCPV	342
	343	if (machine_is_usb_a9g20()) {
	344	/* I2C */
	345	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	346	} else {
	347	/* I2C */
	348	at91_add_device_i2c(NULL, 0);
	349	/* shutdown controller, wakeup button (5 msec low) */
f22deee5	350	at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10)
0a072a24	351	\| AT91_SHDW_WKMODE0_LOW
ca0a789a	352	\| AT91_SHDW_RTTWKEN);
0a072a24	353	}
ca0a789a AV	354	}
	355
	356	MACHINE_START(USB_A9263, "CALAO USB_A9263")
	357	/* Maintainer: calao-systems */
ca0a789a	358	.timer = &at91sam926x_timer,
21d08b9d	359	.map_io = at91_map_io,
3e135466	360	.handle_irq = at91_aic_handle_irq,
1b021a3b	361	.init_early = ek_init_early,
92100c12	362	.init_irq = at91_init_irq_default,
ca0a789a AV	363	.init_machine = ek_board_init,
ca0a789a AV	364	MACHINE_END
6939fd49 NE	365
	366	MACHINE_START(USB_A9260, "CALAO USB_A9260")
	367	/* Maintainer: calao-systems */
	368	.timer = &at91sam926x_timer,
	369	.map_io = at91_map_io,
3e135466	370	.handle_irq = at91_aic_handle_irq,
6939fd49 NE	371	.init_early = ek_init_early,
	372	.init_irq = at91_init_irq_default,
	373	.init_machine = ek_board_init,
	374	MACHINE_END
0a072a24 JCPV	375
	376	MACHINE_START(USB_A9G20, "CALAO USB_A92G0")
	377	/* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */
	378	.timer = &at91sam926x_timer,
	379	.map_io = at91_map_io,
3e135466	380	.handle_irq = at91_aic_handle_irq,
0a072a24 JCPV	381	.init_early = ek_init_early,
	382	.init_irq = at91_init_irq_default,
	383	.init_machine = ek_board_init,
	384	MACHINE_END