[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/board.h>
#include <mach/at91sam9_smc.h>
#include <mach/gsia18s.h>
#include <mach/stamp9g20.h>

#include "sam9_smc.h"
#include "generic.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")
	.timer		= &at91sam926x_timer,
	.map_io		= at91_map_io,
	.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
	33	#include <mach/board.h>
	34	#include <mach/at91sam9_smc.h>
	35	#include <mach/gsia18s.h>
	36	#include <mach/stamp9g20.h>
	37
	38	#include "sam9_smc.h"
	39	#include "generic.h"
	40
1b021a3b	41	static void __init gsia18s_init_early(void)
fcdc2ea7	42	{
1b021a3b	43	stamp9g20_init_early();
fcdc2ea7 IP	44	}
fcdc2ea7 IP	45
fcdc2ea7 IP	46	/*
	47	* Two USB Host ports
	48	*/
	49	static struct at91_usbh_data __initdata usbh_data = {
	50	.ports = 2,
63b4c296 JCPV	51	.vbus_pin = {-EINVAL, -EINVAL},
63b4c296 JCPV	52	.overcurrent_pin= {-EINVAL, -EINVAL},
fcdc2ea7 IP	53	};
	54
	55	/*
	56	* USB Device port
	57	*/
	58	static struct at91_udc_data __initdata udc_data = {
	59	.vbus_pin = AT91_PIN_PA22,
63b4c296	60	.pullup_pin = -EINVAL, /* pull-up driven by UDC */
fcdc2ea7 IP	61	};
	62
	63	/*
	64	* MACB Ethernet device
	65	*/
84e0cdb0	66	static struct macb_platform_data __initdata macb_data = {
fcdc2ea7 IP	67	.phy_irq_pin = AT91_PIN_PA28,
	68	.is_rmii = 1,
	69	};
	70
	71	/*
	72	* LEDs and GPOs
	73	*/
	74	static struct gpio_led gpio_leds[] = {
	75	{
	76	.name = "gpo:spi1reset",
	77	.gpio = AT91_PIN_PC1,
	78	.active_low = 0,
	79	.default_trigger = "none",
	80	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	81	},
	82	{
	83	.name = "gpo:trig_net_out",
	84	.gpio = AT91_PIN_PB20,
	85	.active_low = 0,
	86	.default_trigger = "none",
	87	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	88	},
	89	{
	90	.name = "gpo:trig_net_dir",
	91	.gpio = AT91_PIN_PB19,
	92	.active_low = 0,
	93	.default_trigger = "none",
	94	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	95	},
	96	{
	97	.name = "gpo:charge_dis",
	98	.gpio = AT91_PIN_PC2,
	99	.active_low = 0,
	100	.default_trigger = "none",
	101	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	102	},
	103	{
	104	.name = "led:event",
	105	.gpio = AT91_PIN_PB17,
	106	.active_low = 1,
	107	.default_trigger = "none",
	108	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	109	},
	110	{
	111	.name = "led:lan",
	112	.gpio = AT91_PIN_PB18,
	113	.active_low = 1,
	114	.default_trigger = "none",
	115	.default_state = LEDS_GPIO_DEFSTATE_OFF,
	116	},
	117	{
	118	.name = "led:error",
	119	.gpio = AT91_PIN_PB16,
	120	.active_low = 1,
	121	.default_trigger = "none",
	122	.default_state = LEDS_GPIO_DEFSTATE_ON,
	123	}
	124	};
	125
	126	static struct gpio_led_platform_data gpio_led_info = {
	127	.leds = gpio_leds,
	128	.num_leds = ARRAY_SIZE(gpio_leds),
	129	};
	130
131	static struct platform_device leds = {
132	.name = "leds-gpio",
133	.id = 0,
134	.dev = {
135	.platform_data = &gpio_led_info,
136	}
137	};
138
139	static void __init gsia18s_leds_init(void)
140	{
141	platform_device_register(&leds);
142	}
143
144	/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
145	static struct gpio_led pcf_gpio_leds1[] = {
146	{ /* bit 0 */
147	.name = "gpo:hdc_power",
148	.gpio = PCF_GPIO_HDC_POWER,
149	.active_low = 0,
150	.default_trigger = "none",
151	.default_state = LEDS_GPIO_DEFSTATE_OFF,
152	},
153	{ /* bit 1 */
154	.name = "gpo:wifi_setup",
155	.gpio = PCF_GPIO_WIFI_SETUP,
156	.active_low = 1,
157	.default_trigger = "none",
158	.default_state = LEDS_GPIO_DEFSTATE_OFF,
159	},
160	{ /* bit 2 */
161	.name = "gpo:wifi_enable",
162	.gpio = PCF_GPIO_WIFI_ENABLE,
163	.active_low = 1,
164	.default_trigger = "none",
165	.default_state = LEDS_GPIO_DEFSTATE_OFF,
166	},
167	{ /* bit 3 */
168	.name = "gpo:wifi_reset",
169	.gpio = PCF_GPIO_WIFI_RESET,
170	.active_low = 1,
171	.default_trigger = "none",
172	.default_state = LEDS_GPIO_DEFSTATE_ON,
173	},
174	/* bit 4 used as GPI */
175	{ /* bit 5 */
176	.name = "gpo:gps_setup",
177	.gpio = PCF_GPIO_GPS_SETUP,
178	.active_low = 1,
179	.default_trigger = "none",
180	.default_state = LEDS_GPIO_DEFSTATE_OFF,
181	},
182	{ /* bit 6 */
183	.name = "gpo:gps_standby",
184	.gpio = PCF_GPIO_GPS_STANDBY,
185	.active_low = 0,
186	.default_trigger = "none",
187	.default_state = LEDS_GPIO_DEFSTATE_ON,
188	},
189	{ /* bit 7 */
190	.name = "gpo:gps_power",
191	.gpio = PCF_GPIO_GPS_POWER,
192	.active_low = 0,
193	.default_trigger = "none",
194	.default_state = LEDS_GPIO_DEFSTATE_OFF,
195	}
196	};
197
198	static struct gpio_led_platform_data pcf_gpio_led_info1 = {
199	.leds = pcf_gpio_leds1,
200	.num_leds = ARRAY_SIZE(pcf_gpio_leds1),
201	};
202
203	static struct platform_device pcf_leds1 = {
204	.name = "leds-gpio", /* GS_IA18-CB_board */
205	.id = 1,
206	.dev = {
207	.platform_data = &pcf_gpio_led_info1,
208	}
209	};
210
211	/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
212	static struct gpio_led pcf_gpio_leds2[] = {
213	{ /* bit 0 */
214	.name = "gpo:alarm_1",
215	.gpio = PCF_GPIO_ALARM1,
216	.active_low = 1,
217	.default_trigger = "none",
218	.default_state = LEDS_GPIO_DEFSTATE_OFF,
219	},
220	{ /* bit 1 */
221	.name = "gpo:alarm_2",
222	.gpio = PCF_GPIO_ALARM2,
223	.active_low = 1,
224	.default_trigger = "none",
225	.default_state = LEDS_GPIO_DEFSTATE_OFF,
226	},
227	{ /* bit 2 */
228	.name = "gpo:alarm_3",
229	.gpio = PCF_GPIO_ALARM3,
230	.active_low = 1,
231	.default_trigger = "none",
232	.default_state = LEDS_GPIO_DEFSTATE_OFF,
233	},
234	{ /* bit 3 */
235	.name = "gpo:alarm_4",
236	.gpio = PCF_GPIO_ALARM4,
237	.active_low = 1,
238	.default_trigger = "none",
239	.default_state = LEDS_GPIO_DEFSTATE_OFF,
240	},
241	/* bits 4, 5, 6 not used */
242	{ /* bit 7 */
243	.name = "gpo:alarm_v_relay_on",
244	.gpio = PCF_GPIO_ALARM_V_RELAY_ON,
245	.active_low = 0,
246	.default_trigger = "none",
247	.default_state = LEDS_GPIO_DEFSTATE_OFF,
248	},
249	};
250
251	static struct gpio_led_platform_data pcf_gpio_led_info2 = {
252	.leds = pcf_gpio_leds2,
253	.num_leds = ARRAY_SIZE(pcf_gpio_leds2),
254	};
255
256	static struct platform_device pcf_leds2 = {
257	.name = "leds-gpio",
258	.id = 2,
259	.dev = {
260	.platform_data = &pcf_gpio_led_info2,
261	}
262	};
263
264	/* PCF8574 0x24 GPIO U1 on the GS_2G-OPT23-A_V0 board (Modem) */
265	static struct gpio_led pcf_gpio_leds3[] = {
266	{ /* bit 0 */
267	.name = "gpo:modem_power",
268	.gpio = PCF_GPIO_MODEM_POWER,
269	.active_low = 1,
270	.default_trigger = "none",
271	.default_state = LEDS_GPIO_DEFSTATE_OFF,
272	},
273	/* bits 1 and 2 not used */
274	{ /* bit 3 */
275	.name = "gpo:modem_reset",
276	.gpio = PCF_GPIO_MODEM_RESET,
277	.active_low = 1,
278	.default_trigger = "none",
279	.default_state = LEDS_GPIO_DEFSTATE_ON,
280	},
281	/* bits 4, 5 and 6 not used */
282	{ /* bit 7 */
283	.name = "gpo:trx_reset",
284	.gpio = PCF_GPIO_TRX_RESET,
285	.active_low = 1,
286	.default_trigger = "none",
287	.default_state = LEDS_GPIO_DEFSTATE_ON,
288	}
289	};
290
291	static struct gpio_led_platform_data pcf_gpio_led_info3 = {
292	.leds = pcf_gpio_leds3,
293	.num_leds = ARRAY_SIZE(pcf_gpio_leds3),
294	};
295
296	static struct platform_device pcf_leds3 = {
297	.name = "leds-gpio",
298	.id = 3,
299	.dev = {
300	.platform_data = &pcf_gpio_led_info3,
301	}
302	};
303
304	static void __init gsia18s_pcf_leds_init(void)
305	{
306	platform_device_register(&pcf_leds1);
307	platform_device_register(&pcf_leds2);
308	platform_device_register(&pcf_leds3);
309	}
310
311	/*
312	* SPI busses.
313	*/
314	static struct spi_board_info gsia18s_spi_devices[] = {
315	{ /* User accessible spi0, cs0 used for communication with MSP RTC */
316	.modalias = "spidev",
317	.bus_num = 0,
318	.chip_select = 0,
319	.max_speed_hz = 580000,
320	.mode = SPI_MODE_1,
321	},
322	{ /* User accessible spi1, cs0 used for communication with int. DSP */
323	.modalias = "spidev",
324	.bus_num = 1,
325	.chip_select = 0,
326	.max_speed_hz = 5600000,
327	.mode = SPI_MODE_0,
328	},
329	{ /* User accessible spi1, cs1 used for communication with ext. DSP */
330	.modalias = "spidev",
331	.bus_num = 1,
332	.chip_select = 1,
333	.max_speed_hz = 5600000,
334	.mode = SPI_MODE_0,
335	},
336	{ /* User accessible spi1, cs2 used for communication with ext. DSP */
337	.modalias = "spidev",
338	.bus_num = 1,
339	.chip_select = 2,
340	.max_speed_hz = 5600000,
341	.mode = SPI_MODE_0,
342	},
343	{ /* User accessible spi1, cs3 used for communication with ext. DSP */
344	.modalias = "spidev",
345	.bus_num = 1,
346	.chip_select = 3,
347	.max_speed_hz = 5600000,
348	.mode = SPI_MODE_0,
349	}
350	};
351
352	/*
353	* GPI Buttons
354	*/
355	static struct gpio_keys_button buttons[] = {
356	{
357	.gpio = GPIO_TRIG_NET_IN,
358	.code = BTN_1,
359	.desc = "TRIG_NET_IN",
360	.type = EV_KEY,
361	.active_low = 0,
362	.wakeup = 1,
363	},
364	{ /* SW80 on the GS_IA18_S-MN board*/
365	.gpio = GPIO_CARD_UNMOUNT_0,
366	.code = BTN_2,
367	.desc = "Card umount 0",
368	.type = EV_KEY,
369	.active_low = 1,
370	.wakeup = 1,
371	},
372	{ /* SW79 on the GS_IA18_S-MN board*/
373	.gpio = GPIO_CARD_UNMOUNT_1,
374	.code = BTN_3,
375	.desc = "Card umount 1",
376	.type = EV_KEY,
377	.active_low = 1,
378	.wakeup = 1,
379	},
380	{ /* SW280 on the GS_IA18-CB board*/
381	.gpio = GPIO_KEY_POWER,
382	.code = KEY_POWER,
383	.desc = "Power Off Button",
384	.type = EV_KEY,
385	.active_low = 0,
386	.wakeup = 1,
387	}
388	};
389
390	static struct gpio_keys_platform_data button_data = {
391	.buttons = buttons,
392	.nbuttons = ARRAY_SIZE(buttons),
393	};
394
395	static struct platform_device button_device = {
396	.name = "gpio-keys",
397	.id = -1,
398	.num_resources = 0,
399	.dev = {
400	.platform_data = &button_data,
401	}
402	};
403
404	static void __init gsia18s_add_device_buttons(void)
405	{
406	at91_set_gpio_input(GPIO_TRIG_NET_IN, 1);
407	at91_set_deglitch(GPIO_TRIG_NET_IN, 1);
408	at91_set_gpio_input(GPIO_CARD_UNMOUNT_0, 1);
409	at91_set_deglitch(GPIO_CARD_UNMOUNT_0, 1);
410	at91_set_gpio_input(GPIO_CARD_UNMOUNT_1, 1);
411	at91_set_deglitch(GPIO_CARD_UNMOUNT_1, 1);
412	at91_set_gpio_input(GPIO_KEY_POWER, 0);
413	at91_set_deglitch(GPIO_KEY_POWER, 1);
414
415	platform_device_register(&button_device);
416	}
417
418	/*
419	* I2C
420	*/
421	static int pcf8574x_0x20_setup(struct i2c_client *client, int gpio,
422	unsigned int ngpio, void *context)
423	{
424	int status;
425
426	status = gpio_request(gpio + PCF_GPIO_ETH_DETECT, "eth_det");
427	if (status < 0) {
428	pr_err("error: can't request GPIO%d\n",
429	gpio + PCF_GPIO_ETH_DETECT);
430	return status;
431	}
432	status = gpio_direction_input(gpio + PCF_GPIO_ETH_DETECT);
433	if (status < 0) {
434	pr_err("error: can't setup GPIO%d as input\n",
435	gpio + PCF_GPIO_ETH_DETECT);
436	return status;
437	}
438	status = gpio_export(gpio + PCF_GPIO_ETH_DETECT, false);
439	if (status < 0) {
440	pr_err("error: can't export GPIO%d\n",
441	gpio + PCF_GPIO_ETH_DETECT);
442	return status;
443	}
444	status = gpio_sysfs_set_active_low(gpio + PCF_GPIO_ETH_DETECT, 1);
445	if (status < 0) {
446	pr_err("error: gpio_sysfs_set active_low(GPIO%d, 1)\n",
447	gpio + PCF_GPIO_ETH_DETECT);
448	return status;
449	}
450
451	return 0;
452	}
453
454	static int pcf8574x_0x20_teardown(struct i2c_client *client, int gpio,
455	unsigned ngpio, void *context)
456	{
457	gpio_free(gpio + PCF_GPIO_ETH_DETECT);
458	return 0;
459	}
460
461	static struct pcf857x_platform_data pcf20_pdata = {
462	.gpio_base = GS_IA18_S_PCF_GPIO_BASE0,
463	.n_latch = (1 << 4),
464	.setup = pcf8574x_0x20_setup,
465	.teardown = pcf8574x_0x20_teardown,
466	};
467
468	static struct pcf857x_platform_data pcf22_pdata = {
469	.gpio_base = GS_IA18_S_PCF_GPIO_BASE1,
470	};
471
472	static struct pcf857x_platform_data pcf24_pdata = {
473	.gpio_base = GS_IA18_S_PCF_GPIO_BASE2,
474	};
475
476	static struct i2c_board_info __initdata gsia18s_i2c_devices[] = {
477	{ /* U1 on the GS_IA18-CB_V3 board */
478	I2C_BOARD_INFO("pcf8574", 0x20),
479	.platform_data = &pcf20_pdata,
480	},
481	{ /* U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
482	I2C_BOARD_INFO("pcf8574", 0x22),
483	.platform_data = &pcf22_pdata,
484	},
485	{ /* U1 on the GS_2G-OPT23-A_V0 board (Modem) */
486	I2C_BOARD_INFO("pcf8574", 0x24),
487	.platform_data = &pcf24_pdata,
488	},
489	{ /* U161 on the GS_IA18_S-MN board */
490	I2C_BOARD_INFO("24c1024", 0x50),
491	},
492	{ /* U162 on the GS_IA18_S-MN board */
493	I2C_BOARD_INFO("24c01", 0x53),
494	},
495	};
496
497	/*
498	* Compact Flash
499	*/
500	static struct at91_cf_data __initdata gsia18s_cf1_data = {
501	.irq_pin = AT91_PIN_PA27,
502	.det_pin = AT91_PIN_PB30,
63b4c296	503	.vcc_pin = -EINVAL,
fcdc2ea7 IP	504	.rst_pin = AT91_PIN_PB31,
	505	.chipselect = 5,
	506	.flags = AT91_CF_TRUE_IDE,
	507	};
	508
	509	/* Power Off by RTC */
	510	static void gsia18s_power_off(void)
	511	{
	512	pr_notice("Power supply will be switched off automatically now or after 60 seconds without ArmDAS.\n");
	513	at91_set_gpio_output(AT91_PIN_PA25, 1);
	514	/* Spin to death... */
	515	while (1)
	516	;
	517	}
	518
	519	static int __init gsia18s_power_off_init(void)
	520	{
	521	pm_power_off = gsia18s_power_off;
	522	return 0;
	523	}
	524
	525	/* ---------------------------------------------------------------------------*/
	526
	527	static void __init gsia18s_board_init(void)
	528	{
71b149b3 JCPV	529	/*
	530	* USART0 on ttyS1 (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI).
	531	* Used for Internal Analog Modem.
	532	*/
	533	at91_register_uart(AT91SAM9260_ID_US0, 1,
	534	ATMEL_UART_CTS \| ATMEL_UART_RTS \|
	535	ATMEL_UART_DTR \| ATMEL_UART_DSR \|
	536	ATMEL_UART_DCD \| ATMEL_UART_RI);
	537	/*
	538	* USART1 on ttyS2 (Rx, Tx, CTS, RTS).
	539	* Used for GPS or WiFi or Data stream.
	540	*/
	541	at91_register_uart(AT91SAM9260_ID_US1, 2,
	542	ATMEL_UART_CTS \| ATMEL_UART_RTS);
	543	/*
	544	* USART2 on ttyS3 (Rx, Tx, CTS, RTS).
	545	* Used for External Modem.
	546	*/
	547	at91_register_uart(AT91SAM9260_ID_US2, 3,
	548	ATMEL_UART_CTS \| ATMEL_UART_RTS);
	549	/*
	550	* USART3 on ttyS4 (Rx, Tx, RTS).
	551	* Used for RS-485.
	552	*/
	553	at91_register_uart(AT91SAM9260_ID_US3, 4, ATMEL_UART_RTS);
	554
	555	/*
	556	* USART4 on ttyS5 (Rx, Tx).
	557	* Used for TRX433 Radio Module.
	558	*/
	559	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
fcdc2ea7 IP	560	stamp9g20_board_init();
	561	at91_add_device_usbh(&usbh_data);
	562	at91_add_device_udc(&udc_data);
	563	at91_add_device_eth(&macb_data);
	564	gsia18s_leds_init();
	565	gsia18s_pcf_leds_init();
	566	gsia18s_add_device_buttons();
	567	at91_add_device_i2c(gsia18s_i2c_devices,
	568	ARRAY_SIZE(gsia18s_i2c_devices));
	569	at91_add_device_cf(&gsia18s_cf1_data);
	570	at91_add_device_spi(gsia18s_spi_devices,
	571	ARRAY_SIZE(gsia18s_spi_devices));
	572	gsia18s_power_off_init();
	573	}
	574
	575	MACHINE_START(GSIA18S, "GS_IA18_S")
fcdc2ea7	576	.timer = &at91sam926x_timer,
21d08b9d	577	.map_io = at91_map_io,
1b021a3b	578	.init_early = gsia18s_init_early,
92100c12	579	.init_irq = at91_init_irq_default,
fcdc2ea7 IP	580	.init_machine = gsia18s_board_init,
fcdc2ea7 IP	581	MACHINE_END