[mirror_ubuntu-artful-kernel.git] / arch / arm / mach-at91 / board-gsia18s.c

/*
 *  Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
 *                     taskit GmbH
 *                2010 Igor Plyatov <plyatov@gmail.com>
 *                     GeoSIG Ltd
 *
 * 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/platform_device.h>
#include <linux/gpio.h>
#include <linux/w1-gpio.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/at91sam9_smc.h>

#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
#include "gsia18s.h"
#include "stamp9g20.h"

static void __init gsia18s_init_early(void)
{
	stamp9g20_init_early();
}

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

/*
 * USB Device port
 */
static struct at91_udc_data __initdata udc_data = {
	.vbus_pin	= AT91_PIN_PA22,
	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
};

/*
 * MACB Ethernet device
 */
static struct macb_platform_data __initdata macb_data = {
	.phy_irq_pin	= AT91_PIN_PA28,
	.is_rmii	= 1,
};

/*
 * LEDs and GPOs
 */
static struct gpio_led gpio_leds[] = {
	{
		.name			= "gpo:spi1reset",
		.gpio			= AT91_PIN_PC1,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:trig_net_out",
		.gpio			= AT91_PIN_PB20,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:trig_net_dir",
		.gpio			= AT91_PIN_PB19,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:charge_dis",
		.gpio			= AT91_PIN_PC2,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:event",
		.gpio			= AT91_PIN_PB17,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:lan",
		.gpio			= AT91_PIN_PB18,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:error",
		.gpio			= AT91_PIN_PB16,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	}
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds = {
	.name	= "leds-gpio",
	.id	= 0,
	.dev	= {
		.platform_data	= &gpio_led_info,
	}
};

static void __init gsia18s_leds_init(void)
{
	platform_device_register(&leds);
}

/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
static struct gpio_led pcf_gpio_leds1[] = {
	{ /* bit 0 */
		.name			= "gpo:hdc_power",
		.gpio			= PCF_GPIO_HDC_POWER,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 1 */
		.name			= "gpo:wifi_setup",
		.gpio			= PCF_GPIO_WIFI_SETUP,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 2 */
		.name			= "gpo:wifi_enable",
		.gpio			= PCF_GPIO_WIFI_ENABLE,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 3	*/
		.name			= "gpo:wifi_reset",
		.gpio			= PCF_GPIO_WIFI_RESET,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	},
	/* bit 4 used as GPI	*/
	{ /* bit 5 */
		.name			= "gpo:gps_setup",
		.gpio			= PCF_GPIO_GPS_SETUP,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 6 */
		.name			= "gpo:gps_standby",
		.gpio			= PCF_GPIO_GPS_STANDBY,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	},
	{ /* bit 7 */
		.name			= "gpo:gps_power",
		.gpio			= PCF_GPIO_GPS_POWER,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	}
};

static struct gpio_led_platform_data pcf_gpio_led_info1 = {
	.leds		= pcf_gpio_leds1,
	.num_leds	= ARRAY_SIZE(pcf_gpio_leds1),
};

static struct platform_device pcf_leds1 = {
	.name	= "leds-gpio", /* GS_IA18-CB_board */
	.id	= 1,
	.dev	= {
		.platform_data	= &pcf_gpio_led_info1,
	}
};

/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
static struct gpio_led pcf_gpio_leds2[] = {
	{ /* bit 0 */
		.name			= "gpo:alarm_1",
		.gpio			= PCF_GPIO_ALARM1,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 1 */
		.name			= "gpo:alarm_2",
		.gpio			= PCF_GPIO_ALARM2,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 2 */
		.name			= "gpo:alarm_3",
		.gpio			= PCF_GPIO_ALARM3,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 3 */
		.name			= "gpo:alarm_4",
		.gpio			= PCF_GPIO_ALARM4,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	/* bits 4, 5, 6 not used */
	{ /* bit 7 */
		.name			= "gpo:alarm_v_relay_on",
		.gpio			= PCF_GPIO_ALARM_V_RELAY_ON,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
};

static struct gpio_led_platform_data pcf_gpio_led_info2 = {
	.leds		= pcf_gpio_leds2,
	.num_leds	= ARRAY_SIZE(pcf_gpio_leds2),
};

static struct platform_device pcf_leds2 = {
	.name	= "leds-gpio",
	.id	= 2,
	.dev	= {
		.platform_data	= &pcf_gpio_led_info2,
	}
};

/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
static struct gpio_led pcf_gpio_leds3[] = {
	{ /* bit 0 */
		.name			= "gpo:modem_power",
		.gpio			= PCF_GPIO_MODEM_POWER,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
		/* bits 1 and 2 not used */
	{ /* bit 3 */
		.name			= "gpo:modem_reset",
		.gpio			= PCF_GPIO_MODEM_RESET,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	},
		/* bits 4, 5 and 6 not used */
	{ /* bit 7 */
		.name			= "gpo:trx_reset",
		.gpio			= PCF_GPIO_TRX_RESET,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	}
};

static struct gpio_led_platform_data pcf_gpio_led_info3 = {
	.leds		= pcf_gpio_leds3,
	.num_leds	= ARRAY_SIZE(pcf_gpio_leds3),
};

static struct platform_device pcf_leds3 = {
	.name	= "leds-gpio",
	.id	= 3,
	.dev	= {
		.platform_data	= &pcf_gpio_led_info3,
	}
};

static void __init gsia18s_pcf_leds_init(void)
{
	platform_device_register(&pcf_leds1);
	platform_device_register(&pcf_leds2);
	platform_device_register(&pcf_leds3);
}

/*
 * SPI busses.
 */
static struct spi_board_info gsia18s_spi_devices[] = {
	{ /* User accessible spi0, cs0 used for communication with MSP RTC */
		.modalias	= "spidev",
		.bus_num	= 0,
		.chip_select	= 0,
		.max_speed_hz	= 580000,
		.mode		= SPI_MODE_1,
	},
	{ /* User accessible spi1, cs0 used for communication with int. DSP */
		.modalias	= "spidev",
		.bus_num	= 1,
		.chip_select	= 0,
		.max_speed_hz	= 5600000,
		.mode		= SPI_MODE_0,
	},
	{ /* User accessible spi1, cs1 used for communication with ext. DSP */
		.modalias	= "spidev",
		.bus_num	= 1,
		.chip_select	= 1,
		.max_speed_hz	= 5600000,
		.mode		= SPI_MODE_0,
	},
	{ /* User accessible spi1, cs2 used for communication with ext. DSP */
		.modalias	= "spidev",
		.bus_num	= 1,
		.chip_select	= 2,
		.max_speed_hz	= 5600000,
		.mode		= SPI_MODE_0,
	},
	{ /* User accessible spi1, cs3 used for communication with ext. DSP */
		.modalias	= "spidev",
		.bus_num	= 1,
		.chip_select	= 3,
		.max_speed_hz	= 5600000,
		.mode		= SPI_MODE_0,
	}
};

/*
 * GPI Buttons
 */
static struct gpio_keys_button buttons[] = {
	{
		.gpio		= GPIO_TRIG_NET_IN,
		.code		= BTN_1,
		.desc		= "TRIG_NET_IN",
		.type		= EV_KEY,
		.active_low	= 0,
		.wakeup		= 1,
	},
	{ /* SW80 on the GS_IA18_S-MN board*/
		.gpio		= GPIO_CARD_UNMOUNT_0,
		.code		= BTN_2,
		.desc		= "Card umount 0",
		.type		= EV_KEY,
		.active_low	= 1,
		.wakeup		= 1,
	},
	{ /* SW79 on the GS_IA18_S-MN board*/
		.gpio		= GPIO_CARD_UNMOUNT_1,
		.code		= BTN_3,
		.desc		= "Card umount 1",
		.type		= EV_KEY,
		.active_low	= 1,
		.wakeup		= 1,
	},
	{ /* SW280 on the GS_IA18-CB board*/
		.gpio		= GPIO_KEY_POWER,
		.code		= KEY_POWER,
		.desc		= "Power Off Button",
		.type		= EV_KEY,
		.active_low	= 0,
		.wakeup		= 1,
	}
};

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

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

static void __init gsia18s_add_device_buttons(void)
{
	at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
	at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
	at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
	at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
	at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
	at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
	at91_set_gpio_input(GPIO_KEY_POWER, 0);
	at91_set_deglitch(GPIO_KEY_POWER, 1);

	platform_device_register(&button_device);
}

/*
 * I2C
 */
static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
				unsigned int ngpio, void *context)
{
	int status;

	status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
	if (status < 0) {
		pr_err("error: can't request GPIO%d\n",
			gpio + PCF_GPIO_ETH_DETECT);
		return status;
	}
	status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
	if (status < 0) {
		pr_err("error: can't setup GPIO%d as input\n",
			gpio + PCF_GPIO_ETH_DETECT);
		return status;
	}
	status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
	if (status < 0) {
		pr_err("error: can't export GPIO%d\n",
			gpio + PCF_GPIO_ETH_DETECT);
		return status;
	}
	status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
	if (status < 0) {
		pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
			gpio + PCF_GPIO_ETH_DETECT);
		return status;
	}

	return 0;
}

static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
					unsigned ngpio, void *context)
{
	gpio_free(gpio + PCF_GPIO_ETH_DETECT);
	return 0;
}

static struct pcf857x_platform_data pcf20_pdata = {
	.gpio_base	= GS_IA18_S_PCF_GPIO_BASE0,
	.n_latch	= (1 << 4),
	.setup		= pcf8574x_0x20_setup,
	.teardown	= pcf8574x_0x20_teardown,
};

static struct pcf857x_platform_data pcf22_pdata = {
	.gpio_base	= GS_IA18_S_PCF_GPIO_BASE1,
};

static struct pcf857x_platform_data pcf24_pdata = {
	.gpio_base	= GS_IA18_S_PCF_GPIO_BASE2,
};

static struct i2c_board_info __initdata gsia18s_i2c_devices[] = {
	{ /* U1 on the GS_IA18-CB_V3 board */
		I2C_BOARD_INFO("pcf8574", 0x20),
		.platform_data = &pcf20_pdata,
	},
	{ /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
		I2C_BOARD_INFO("pcf8574", 0x22),
		.platform_data = &pcf22_pdata,
	},
	{ /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
		I2C_BOARD_INFO("pcf8574", 0x24),
		.platform_data = &pcf24_pdata,
	},
	{ /* U161 on the GS_IA18_S-MN board */
		I2C_BOARD_INFO("24c1024", 0x50),
	},
	{ /* U162 on the GS_IA18_S-MN board */
		I2C_BOARD_INFO("24c01", 0x53),
	},
};

/*
 * Compact Flash
 */
static struct at91_cf_data __initdata gsia18s_cf1_data = {
	.irq_pin	= AT91_PIN_PA27,
	.det_pin	= AT91_PIN_PB30,
	.vcc_pin	= -EINVAL,
	.rst_pin	= AT91_PIN_PB31,
	.chipselect	= 5,
	.flags		= AT91_CF_TRUE_IDE,
};

/* Power Off by RTC */
static void gsia18s_power_off(void)
{
	pr_notice("Power supply will be switched off automatically now or after 60 seconds without ArmDAS.\n");
	at91_set_gpio_output(AT91_PIN_PA25, 1);
	/* Spin to death... */
	while (1)
		;
}

static int __init gsia18s_power_off_init(void)
{
	pm_power_off = gsia18s_power_off;
	return 0;
}

/* ---------------------------------------------------------------------------*/

static void __init gsia18s_board_init(void)
{
	/*
	 * USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
	 * Used for Internal Analog Modem.
	 */
	at91_register_uart(AT91SAM9260_ID_US0, 1,
				ATMEL_UART_CTS | ATMEL_UART_RTS |
				ATMEL_UART_DTR | ATMEL_UART_DSR |
				ATMEL_UART_DCD | ATMEL_UART_RI);
	/*
	 * USART1 on ttyS2 (Rx, Tx, CTS, RTS).
	 * Used for GPS or WiFi or Data stream.
	 */
	at91_register_uart(AT91SAM9260_ID_US1, 2,
				ATMEL_UART_CTS | ATMEL_UART_RTS);
	/*
	 * USART2 on ttyS3 (Rx, Tx, CTS, RTS).
	 * Used for External Modem.
	 */
	at91_register_uart(AT91SAM9260_ID_US2, 3,
				ATMEL_UART_CTS | ATMEL_UART_RTS);
	/*
	 * USART3 on ttyS4 (Rx, Tx, RTS).
	 * Used for RS-485.
	 */
	at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);

	/*
	 * USART4 on ttyS5 (Rx, Tx).
	 * Used for TRX433 Radio Module.
	 */
	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
	stamp9g20_board_init();
	at91_add_device_usbh(&usbh_data);
	at91_add_device_udc(&udc_data);
	at91_add_device_eth(&macb_data);
	gsia18s_leds_init();
	gsia18s_pcf_leds_init();
	gsia18s_add_device_buttons();
	at91_add_device_i2c(gsia18s_i2c_devices,
				ARRAY_SIZE(gsia18s_i2c_devices));
	at91_add_device_cf(&gsia18s_cf1_data);
	at91_add_device_spi(gsia18s_spi_devices,
				ARRAY_SIZE(gsia18s_spi_devices));
	gsia18s_power_off_init();
}

MACHINE_START(GSIA18S, "GS_IA18_S")
	.init_time	= at91sam926x_pit_init,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= gsia18s_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= gsia18s_board_init,
MACHINE_END
Commit	Line	Data
fcdc2ea7 IP	1	/*
	2	* Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
	3	* taskit GmbH
	4	* 2010 Igor Plyatov <plyatov@gmail.com>
	5	* GeoSIG Ltd
	6	*
	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.
	11	*
	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.
	16	*
	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
	20	*/
	21
	22	#include <linux/platform_device.h>
	23	#include <linux/gpio.h>
	24	#include <linux/w1-gpio.h>
	25	#include <linux/i2c.h>
	26	#include <linux/i2c/pcf857x.h>
	27	#include <linux/gpio_keys.h>
	28	#include <linux/input.h>
	29
	30	#include <asm/mach-types.h>
	31	#include <asm/mach/arch.h>
	32
fcdc2ea7	33	#include <mach/at91sam9_smc.h>
fcdc2ea7	34
a510b9ba	35	#include "at91_aic.h"
43d2f532	36	#include "board.h"
fcdc2ea7 IP	37	#include "sam9_smc.h"
fcdc2ea7 IP	38	#include "generic.h"
ad238495 JCPV	39	#include "gsia18s.h"
ad238495 JCPV	40	#include "stamp9g20.h"
fcdc2ea7	41
1b021a3b	42	static void __init gsia18s_init_early(void)
fcdc2ea7	43	{
1b021a3b	44	stamp9g20_init_early();
fcdc2ea7 IP	45	}
fcdc2ea7 IP	46
fcdc2ea7 IP	47	/*
	48	* Two USB Host ports
	49	*/
	50	static struct at91_usbh_data __initdata usbh_data = {
	51	.ports = 2,
63b4c296 JCPV	52	.vbus_pin = {-EINVAL, -EINVAL},
63b4c296 JCPV	53	.overcurrent_pin= {-EINVAL, -EINVAL},
fcdc2ea7 IP	54	};
	55
	56	/*
	57	* USB Device port
	58	*/
	59	static struct at91_udc_data __initdata udc_data = {
	60	.vbus_pin = AT91_PIN_PA22,
63b4c296	61	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
fcdc2ea7 IP	62	};
	63
	64	/*
	65	* MACB Ethernet device
	66	*/
84e0cdb0	67	static struct macb_platform_data __initdata macb_data = {
fcdc2ea7 IP	68	.phy_irq_pin = AT91_PIN_PA28,
	69	.is_rmii = 1,
	70	};
	71
	72	/*
	73	* LEDs and GPOs
	74	*/
	75	static struct gpio_led gpio_leds[] = {
	76	{
	77	.name = "gpo:spi1reset",
	78	.gpio = AT91_PIN_PC1,
	79	.active_low = 0,
	80	.default_trigger = "none",
	81	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	82	},
	83	{
	84	.name = "gpo:trig_net_out",
	85	.gpio = AT91_PIN_PB20,
	86	.active_low = 0,
	87	.default_trigger = "none",
	88	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	89	},
	90	{
	91	.name = "gpo:trig_net_dir",
	92	.gpio = AT91_PIN_PB19,
	93	.active_low = 0,
	94	.default_trigger = "none",
	95	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	96	},
	97	{
	98	.name = "gpo:charge_dis",
	99	.gpio = AT91_PIN_PC2,
	100	.active_low = 0,
	101	.default_trigger = "none",
	102	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	103	},
	104	{
	105	.name = "led:event",
	106	.gpio = AT91_PIN_PB17,
	107	.active_low = 1,
	108	.default_trigger = "none",
	109	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	110	},
	111	{
	112	.name = "led:lan",
	113	.gpio = AT91_PIN_PB18,
	114	.active_low = 1,
	115	.default_trigger = "none",
	116	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	117	},
	118	{
	119	.name = "led:error",
	120	.gpio = AT91_PIN_PB16,
	121	.active_low = 1,
	122	.default_trigger = "none",
	123	.default_state = LEDS_GPIO_DEFSTATE_ON,
	124	}
	125	};
	126
	127	static struct gpio_led_platform_data gpio_led_info = {
	128	.leds = gpio_leds,
	129	.num_leds = ARRAY_SIZE(gpio_leds),
	130	};
	131
132	static struct platform_device leds = {
133	.name = "leds-gpio",
134	.id = 0,
135	.dev = {
136	.platform_data = &gpio_led_info,
137	}
138	};
139
140	static void __init gsia18s_leds_init(void)
141	{
142	platform_device_register(&leds);
143	}
144
145	/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
146	static struct gpio_led pcf_gpio_leds1[] = {
147	{ /* bit 0 */
148	.name = "gpo:hdc_power",
149	.gpio = PCF_GPIO_HDC_POWER,
150	.active_low = 0,
151	.default_trigger = "none",
152	.default_state = LEDS_GPIO_DEFSTATE_OFF,
153	},
154	{ /* bit 1 */
155	.name = "gpo:wifi_setup",
156	.gpio = PCF_GPIO_WIFI_SETUP,
157	.active_low = 1,
158	.default_trigger = "none",
159	.default_state = LEDS_GPIO_DEFSTATE_OFF,
160	},
161	{ /* bit 2 */
162	.name = "gpo:wifi_enable",
163	.gpio = PCF_GPIO_WIFI_ENABLE,
164	.active_low = 1,
165	.default_trigger = "none",
166	.default_state = LEDS_GPIO_DEFSTATE_OFF,
167	},
168	{ /* bit 3 */
169	.name = "gpo:wifi_reset",
170	.gpio = PCF_GPIO_WIFI_RESET,
171	.active_low = 1,
172	.default_trigger = "none",
173	.default_state = LEDS_GPIO_DEFSTATE_ON,
174	},
175	/* bit 4 used as GPI */
176	{ /* bit 5 */
177	.name = "gpo:gps_setup",
178	.gpio = PCF_GPIO_GPS_SETUP,
179	.active_low = 1,
180	.default_trigger = "none",
181	.default_state = LEDS_GPIO_DEFSTATE_OFF,
182	},
183	{ /* bit 6 */
184	.name = "gpo:gps_standby",
185	.gpio = PCF_GPIO_GPS_STANDBY,
186	.active_low = 0,
187	.default_trigger = "none",
188	.default_state = LEDS_GPIO_DEFSTATE_ON,
189	},
190	{ /* bit 7 */
191	.name = "gpo:gps_power",
192	.gpio = PCF_GPIO_GPS_POWER,
193	.active_low = 0,
194	.default_trigger = "none",
195	.default_state = LEDS_GPIO_DEFSTATE_OFF,
196	}
197	};
198
199	static struct gpio_led_platform_data pcf_gpio_led_info1 = {
200	.leds = pcf_gpio_leds1,
201	.num_leds = ARRAY_SIZE(pcf_gpio_leds1),
202	};
203
204	static struct platform_device pcf_leds1 = {
205	.name = "leds-gpio", /* GS_IA18-CB_board */
206	.id = 1,
207	.dev = {
208	.platform_data = &pcf_gpio_led_info1,
209	}
210	};
211
212	/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
213	static struct gpio_led pcf_gpio_leds2[] = {
214	{ /* bit 0 */
215	.name = "gpo:alarm_1",
216	.gpio = PCF_GPIO_ALARM1,
217	.active_low = 1,
218	.default_trigger = "none",
219	.default_state = LEDS_GPIO_DEFSTATE_OFF,
220	},
221	{ /* bit 1 */
222	.name = "gpo:alarm_2",
223	.gpio = PCF_GPIO_ALARM2,
224	.active_low = 1,
225	.default_trigger = "none",
226	.default_state = LEDS_GPIO_DEFSTATE_OFF,
227	},
228	{ /* bit 2 */
229	.name = "gpo:alarm_3",
230	.gpio = PCF_GPIO_ALARM3,
231	.active_low = 1,
232	.default_trigger = "none",
233	.default_state = LEDS_GPIO_DEFSTATE_OFF,
234	},
235	{ /* bit 3 */
236	.name = "gpo:alarm_4",
237	.gpio = PCF_GPIO_ALARM4,
238	.active_low = 1,
239	.default_trigger = "none",
240	.default_state = LEDS_GPIO_DEFSTATE_OFF,
241	},
242	/* bits 4, 5, 6 not used */
243	{ /* bit 7 */
244	.name = "gpo:alarm_v_relay_on",
245	.gpio = PCF_GPIO_ALARM_V_RELAY_ON,
246	.active_low = 0,
247	.default_trigger = "none",
248	.default_state = LEDS_GPIO_DEFSTATE_OFF,
249	},
250	};
251
252	static struct gpio_led_platform_data pcf_gpio_led_info2 = {
253	.leds = pcf_gpio_leds2,
254	.num_leds = ARRAY_SIZE(pcf_gpio_leds2),
255	};
256
257	static struct platform_device pcf_leds2 = {
258	.name = "leds-gpio",
259	.id = 2,
260	.dev = {
261	.platform_data = &pcf_gpio_led_info2,
262	}
263	};
264
265	/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
266	static struct gpio_led pcf_gpio_leds3[] = {
267	{ /* bit 0 */
268	.name = "gpo:modem_power",
269	.gpio = PCF_GPIO_MODEM_POWER,
270	.active_low = 1,
271	.default_trigger = "none",
272	.default_state = LEDS_GPIO_DEFSTATE_OFF,
273	},
274	/* bits 1 and 2 not used */
275	{ /* bit 3 */
276	.name = "gpo:modem_reset",
277	.gpio = PCF_GPIO_MODEM_RESET,
278	.active_low = 1,
279	.default_trigger = "none",
280	.default_state = LEDS_GPIO_DEFSTATE_ON,
281	},
282	/* bits 4, 5 and 6 not used */
283	{ /* bit 7 */
284	.name = "gpo:trx_reset",
285	.gpio = PCF_GPIO_TRX_RESET,
286	.active_low = 1,
287	.default_trigger = "none",
288	.default_state = LEDS_GPIO_DEFSTATE_ON,
289	}
290	};
291
292	static struct gpio_led_platform_data pcf_gpio_led_info3 = {
293	.leds = pcf_gpio_leds3,
294	.num_leds = ARRAY_SIZE(pcf_gpio_leds3),
295	};
296
297	static struct platform_device pcf_leds3 = {
298	.name = "leds-gpio",
299	.id = 3,
300	.dev = {
301	.platform_data = &pcf_gpio_led_info3,
302	}
303	};
304
305	static void __init gsia18s_pcf_leds_init(void)
306	{
307	platform_device_register(&pcf_leds1);
308	platform_device_register(&pcf_leds2);
309	platform_device_register(&pcf_leds3);
310	}
311
312	/*
313	* SPI busses.
314	*/
315	static struct spi_board_info gsia18s_spi_devices[] = {
316	{ /* User accessible spi0, cs0 used for communication with MSP RTC */
317	.modalias = "spidev",
318	.bus_num = 0,
319	.chip_select = 0,
320	.max_speed_hz = 580000,
321	.mode = SPI_MODE_1,
322	},
323	{ /* User accessible spi1, cs0 used for communication with int. DSP */
324	.modalias = "spidev",
325	.bus_num = 1,
326	.chip_select = 0,
327	.max_speed_hz = 5600000,
328	.mode = SPI_MODE_0,
329	},
330	{ /* User accessible spi1, cs1 used for communication with ext. DSP */
331	.modalias = "spidev",
332	.bus_num = 1,
333	.chip_select = 1,
334	.max_speed_hz = 5600000,
335	.mode = SPI_MODE_0,
336	},
337	{ /* User accessible spi1, cs2 used for communication with ext. DSP */
338	.modalias = "spidev",
339	.bus_num = 1,
340	.chip_select = 2,
341	.max_speed_hz = 5600000,
342	.mode = SPI_MODE_0,
343	},
344	{ /* User accessible spi1, cs3 used for communication with ext. DSP */
345	.modalias = "spidev",
346	.bus_num = 1,
347	.chip_select = 3,
348	.max_speed_hz = 5600000,
349	.mode = SPI_MODE_0,
350	}
351	};
352
353	/*
354	* GPI Buttons
355	*/
356	static struct gpio_keys_button buttons[] = {
357	{
358	.gpio = GPIO_TRIG_NET_IN,
359	.code = BTN_1,
360	.desc = "TRIG_NET_IN",
361	.type = EV_KEY,
362	.active_low = 0,
363	.wakeup = 1,
364	},
365	{ /* SW80 on the GS_IA18_S-MN board*/
366	.gpio = GPIO_CARD_UNMOUNT_0,
367	.code = BTN_2,
368	.desc = "Card umount 0",
369	.type = EV_KEY,
370	.active_low = 1,
371	.wakeup = 1,
372	},
373	{ /* SW79 on the GS_IA18_S-MN board*/
374	.gpio = GPIO_CARD_UNMOUNT_1,
375	.code = BTN_3,
376	.desc = "Card umount 1",
377	.type = EV_KEY,
378	.active_low = 1,
379	.wakeup = 1,
380	},
381	{ /* SW280 on the GS_IA18-CB board*/
382	.gpio = GPIO_KEY_POWER,
383	.code = KEY_POWER,
384	.desc = "Power Off Button",
385	.type = EV_KEY,
386	.active_low = 0,
387	.wakeup = 1,
388	}
389	};
390
391	static struct gpio_keys_platform_data button_data = {
392	.buttons = buttons,
393	.nbuttons = ARRAY_SIZE(buttons),
394	};
395
396	static struct platform_device button_device = {
397	.name = "gpio-keys",
398	.id = -1,
399	.num_resources = 0,
400	.dev = {
401	.platform_data = &button_data,
402	}
403	};
404
405	static void __init gsia18s_add_device_buttons(void)
406	{
407	at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
408	at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
409	at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
410	at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
411	at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
412	at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
413	at91_set_gpio_input(GPIO_KEY_POWER, 0);
414	at91_set_deglitch(GPIO_KEY_POWER, 1);
415
416	platform_device_register(&button_device);
417	}
418
419	/*
420	* I2C
421	*/
422	static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
423	unsigned int ngpio, void *context)
424	{
425	int status;
426
427	status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
428	if (status < 0) {
429	pr_err("error: can't request GPIO%d\n",
430	gpio + PCF_GPIO_ETH_DETECT);
431	return status;
432	}
433	status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
434	if (status < 0) {
435	pr_err("error: can't setup GPIO%d as input\n",
436	gpio + PCF_GPIO_ETH_DETECT);
437	return status;
438	}
439	status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
440	if (status < 0) {
441	pr_err("error: can't export GPIO%d\n",
442	gpio + PCF_GPIO_ETH_DETECT);
443	return status;
444	}
445	status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
446	if (status < 0) {
447	pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
448	gpio + PCF_GPIO_ETH_DETECT);
449	return status;
450	}
451
452	return 0;
453	}
454
455	static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
456	unsigned ngpio, void *context)
457	{
458	gpio_free(gpio + PCF_GPIO_ETH_DETECT);
459	return 0;
460	}
461
462	static struct pcf857x_platform_data pcf20_pdata = {
463	.gpio_base = GS_IA18_S_PCF_GPIO_BASE0,
464	.n_latch = (1 << 4),
465	.setup = pcf8574x_0x20_setup,
466	.teardown = pcf8574x_0x20_teardown,
467	};
468
469	static struct pcf857x_platform_data pcf22_pdata = {
470	.gpio_base = GS_IA18_S_PCF_GPIO_BASE1,
471	};
472
473	static struct pcf857x_platform_data pcf24_pdata = {
474	.gpio_base = GS_IA18_S_PCF_GPIO_BASE2,
475	};
476
477	static struct i2c_board_info __initdata gsia18s_i2c_devices[] = {
478	{ /* U1 on the GS_IA18-CB_V3 board */
479	I2C_BOARD_INFO("pcf8574", 0x20),
480	.platform_data = &pcf20_pdata,
481	},
482	{ /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
483	I2C_BOARD_INFO("pcf8574", 0x22),
484	.platform_data = &pcf22_pdata,
485	},
486	{ /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
487	I2C_BOARD_INFO("pcf8574", 0x24),
488	.platform_data = &pcf24_pdata,
489	},
490	{ /* U161 on the GS_IA18_S-MN board */
491	I2C_BOARD_INFO("24c1024", 0x50),
492	},
493	{ /* U162 on the GS_IA18_S-MN board */
494	I2C_BOARD_INFO("24c01", 0x53),
495	},
496	};
497
498	/*
499	* Compact Flash
500	*/
501	static struct at91_cf_data __initdata gsia18s_cf1_data = {
502	.irq_pin = AT91_PIN_PA27,
503	.det_pin = AT91_PIN_PB30,
63b4c296	504	.vcc_pin = -EINVAL,
fcdc2ea7 IP	505	.rst_pin = AT91_PIN_PB31,
	506	.chipselect = 5,
	507	.flags = AT91_CF_TRUE_IDE,
	508	};
	509
	510	/* Power Off by RTC */
	511	static void gsia18s_power_off(void)
	512	{
	513	pr_notice("Power supply will be switched off automatically now or after 60 seconds without ArmDAS.\n");
	514	at91_set_gpio_output(AT91_PIN_PA25, 1);
	515	/* Spin to death... */
	516	while (1)
	517	;
	518	}
	519
	520	static int __init gsia18s_power_off_init(void)
	521	{
	522	pm_power_off = gsia18s_power_off;
	523	return 0;
	524	}
	525
	526	/* ---------------------------------------------------------------------------*/
	527
	528	static void __init gsia18s_board_init(void)
	529	{
71b149b3 JCPV	530	/*
	531	* USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
	532	* Used for Internal Analog Modem.
	533	*/
	534	at91_register_uart(AT91SAM9260_ID_US0, 1,
	535	ATMEL_UART_CTS \| ATMEL_UART_RTS \|
	536	ATMEL_UART_DTR \| ATMEL_UART_DSR \|
	537	ATMEL_UART_DCD \| ATMEL_UART_RI);
	538	/*
	539	* USART1 on ttyS2 (Rx, Tx, CTS, RTS).
	540	* Used for GPS or WiFi or Data stream.
	541	*/
	542	at91_register_uart(AT91SAM9260_ID_US1, 2,
	543	ATMEL_UART_CTS \| ATMEL_UART_RTS);
	544	/*
	545	* USART2 on ttyS3 (Rx, Tx, CTS, RTS).
	546	* Used for External Modem.
	547	*/
	548	at91_register_uart(AT91SAM9260_ID_US2, 3,
	549	ATMEL_UART_CTS \| ATMEL_UART_RTS);
	550	/*
	551	* USART3 on ttyS4 (Rx, Tx, RTS).
	552	* Used for RS-485.
	553	*/
	554	at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
	555
	556	/*
	557	* USART4 on ttyS5 (Rx, Tx).
	558	* Used for TRX433 Radio Module.
	559	*/
	560	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
fcdc2ea7 IP	561	stamp9g20_board_init();
	562	at91_add_device_usbh(&usbh_data);
	563	at91_add_device_udc(&udc_data);
	564	at91_add_device_eth(&macb_data);
	565	gsia18s_leds_init();
	566	gsia18s_pcf_leds_init();
	567	gsia18s_add_device_buttons();
	568	at91_add_device_i2c(gsia18s_i2c_devices,
	569	ARRAY_SIZE(gsia18s_i2c_devices));
	570	at91_add_device_cf(&gsia18s_cf1_data);
	571	at91_add_device_spi(gsia18s_spi_devices,
	572	ARRAY_SIZE(gsia18s_spi_devices));
	573	gsia18s_power_off_init();
	574	}
	575
	576	MACHINE_START(GSIA18S, "GS_IA18_S")
6bb27d73	577	.init_time = at91sam926x_pit_init,
21d08b9d	578	.map_io = at91_map_io,
3e135466	579	.handle_irq = at91_aic_handle_irq,
1b021a3b	580	.init_early = gsia18s_init_early,
92100c12	581	.init_irq = at91_init_irq_default,
fcdc2ea7 IP	582	.init_machine = gsia18s_board_init,
fcdc2ea7 IP	583	MACHINE_END