arch/avr32/boards/atngw100/mrmt.c - kernel/msm-4.9 - Gitiles

 /*
  * Board-specific setup code for Remote Media Terminal 1 (RMT1)
  * add-on board for the ATNGW100 Network Gateway
  *
  * Copyright (C) 2008 Mediama Technologies
  * Based on ATNGW100 Network Gateway (Copyright (C) Atmel)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
 #include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/linkage.h>
 #include <linux/platform_device.h>
 #include <linux/types.h>
 #include <linux/fb.h>
 #include <linux/leds.h>
 #include <linux/pwm.h>
 #include <linux/leds_pwm.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
 #include <linux/atmel_serial.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>

 #include <video/atmel_lcdc.h>
 #include <sound/atmel-ac97c.h>

 #include <asm/delay.h>
 #include <asm/io.h>
 #include <asm/setup.h>

 #include <mach/at32ap700x.h>
 #include <mach/board.h>
 #include <mach/init.h>
 #include <mach/portmux.h>

 /* Define board-specifoic GPIO assignments */
 #define PIN_LCD_BL	GPIO_PIN_PA(28)
 #define PWM_CH_BL	0	/* Must match with GPIO pin definition */
 #define PIN_LCD_DISP	GPIO_PIN_PA(31)
 #define	PIN_AC97_RST_N	GPIO_PIN_PA(30)
 #define PB_EXTINT_BASE	25
 #define TS_IRQ		0
 #define PIN_TS_EXTINT	GPIO_PIN_PB(PB_EXTINT_BASE+TS_IRQ)
 #define PIN_PB_LEFT	GPIO_PIN_PB(11)
 #define PIN_PB_RIGHT	GPIO_PIN_PB(12)
 #define PIN_PWR_SW_N	GPIO_PIN_PB(14)
 #define PIN_PWR_ON	GPIO_PIN_PB(13)
 #define PIN_ZB_RST_N	GPIO_PIN_PA(21)
 #define PIN_BT_RST	GPIO_PIN_PA(22)
 #define PIN_LED_SYS	GPIO_PIN_PA(16)
 #define PIN_LED_A	GPIO_PIN_PA(19)
 #define PIN_LED_B	GPIO_PIN_PE(19)

 #ifdef CONFIG_BOARD_MRMT_LCD_LQ043T3DX0X
 /* Sharp LQ043T3DX0x (or compatible) panel */
 static struct fb_videomode __initdata lcd_fb_modes[] = {
 	{
 		.name		= "480x272 @ 59.94Hz",
 		.refresh	= 59.94,
 		.xres		= 480,		.yres		= 272,
 		.pixclock	= KHZ2PICOS(9000),

 		.left_margin	= 2,		.right_margin	= 2,
 		.upper_margin	= 3,		.lower_margin	= 9,
 		.hsync_len	= 41,		.vsync_len	= 1,

 		.sync		= 0,
 		.vmode		= FB_VMODE_NONINTERLACED,
 	},
 };

 static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
 	.manufacturer		= "SHA",
 	.monitor		= "LQ043T3DX02",
 	.modedb			= lcd_fb_modes,
 	.modedb_len		= ARRAY_SIZE(lcd_fb_modes),
 	.hfmin			= 14915,
 	.hfmax			= 17638,
 	.vfmin			= 53,
 	.vfmax			= 61,
 	.dclkmax		= 9260000,
 };

 static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
 	.default_bpp		= 24,
 	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
 				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 				   | ATMEL_LCDC_INVCLK_NORMAL
 				   | ATMEL_LCDC_MEMOR_BIG),
 	.lcd_wiring_mode	= ATMEL_LCDC_WIRING_RGB,
 	.default_monspecs	= &lcd_fb_default_monspecs,
 	.guard_time		= 2,
 };
 #endif

 #ifdef CONFIG_BOARD_MRMT_LCD_KWH043GM08
 /* Sharp KWH043GM08-Fxx (or compatible) panel */
 static struct fb_videomode __initdata lcd_fb_modes[] = {
 	{
 		.name		= "480x272 @ 59.94Hz",
 		.refresh	= 59.94,
 		.xres		= 480,		.yres		= 272,
 		.pixclock	= KHZ2PICOS(9000),

 		.left_margin	= 2,		.right_margin	= 2,
 		.upper_margin	= 3,		.lower_margin	= 9,
 		.hsync_len	= 41,		.vsync_len	= 1,

 		.sync		= 0,
 		.vmode		= FB_VMODE_NONINTERLACED,
 	},
 };

 static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
 	.manufacturer		= "FOR",
 	.monitor		= "KWH043GM08",
 	.modedb			= lcd_fb_modes,
 	.modedb_len		= ARRAY_SIZE(lcd_fb_modes),
 	.hfmin			= 14915,
 	.hfmax			= 17638,
 	.vfmin			= 53,
 	.vfmax			= 61,
 	.dclkmax		= 9260000,
 };

 static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
 	.default_bpp		= 24,
 	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
 	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
 				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
 				   | ATMEL_LCDC_INVCLK_INVERTED
 				   | ATMEL_LCDC_MEMOR_BIG),
 	.lcd_wiring_mode	= ATMEL_LCDC_WIRING_RGB,
 	.default_monspecs	= &lcd_fb_default_monspecs,
 	.guard_time		= 2,
 };
 #endif

 #ifdef CONFIG_BOARD_MRMT_AC97
 static struct ac97c_platform_data __initdata ac97c0_data = {
 	.reset_pin		= PIN_AC97_RST_N,
 };
 #endif

 #ifdef CONFIG_BOARD_MRMT_UCB1400_TS
 /* NOTE: IRQ assignment relies on kernel module parameter */
 static struct platform_device rmt_ts_device = {
 	.name	= "ucb1400_ts",
 	.id	= -1,
 };
 #endif

 #ifdef CONFIG_BOARD_MRMT_BL_PWM
 /* PWM LEDs: LCD Backlight, etc */
 static struct pwm_lookup pwm_lookup[] = {
 	PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1",
 		   5000, PWM_POLARITY_INVERSED),
 };

 static struct led_pwm pwm_leds[] = {
 	{
 		.name = "backlight",
 		.max_brightness = 255,
 	},
 };

 static struct led_pwm_platform_data pwm_data = {
 	.num_leds       = ARRAY_SIZE(pwm_leds),
 	.leds           = pwm_leds,
 };

 static struct platform_device leds_pwm = {
 	.name   = "leds_pwm",
 	.id     = -1,
 	.dev    = {
 		.platform_data = &pwm_data,
 	},
 };
 #endif

 #ifdef CONFIG_BOARD_MRMT_ADS7846_TS
 static int ads7846_pendown_state(void)
 {
 	return !gpio_get_value( PIN_TS_EXTINT );	/* PENIRQ.*/
 }

 static struct ads7846_platform_data ads_info = {
 	.model				= 7846,
 	.keep_vref_on			= 0,	/* Use external VREF pin */
 	.vref_delay_usecs		= 0,
 	.vref_mv			= 3300,	/* VREF = 3.3V */
 	.settle_delay_usecs		= 800,
 	.penirq_recheck_delay_usecs	= 800,
 	.x_plate_ohms			= 750,
 	.y_plate_ohms			= 300,
 	.pressure_max			= 4096,
 	.debounce_max			= 1,
 	.debounce_rep			= 0,
 	.debounce_tol			= (~0),
 	.get_pendown_state		= ads7846_pendown_state,
 	.filter				= NULL,
 	.filter_init			= NULL,
 };

 static struct spi_board_info spi01_board_info[] __initdata = {
 	{
 		.modalias	= "ads7846",
 		.max_speed_hz	= 31250*26,
 		.bus_num	= 0,
 		.chip_select	= 1,
 		.platform_data	= &ads_info,
 		.irq		= AT32_EXTINT(TS_IRQ),
 	},
 };
 #endif

 /* GPIO Keys: left, right, power, etc */
 static const struct gpio_keys_button rmt_gpio_keys_buttons[] = {
 	[0] = {
 		.type		= EV_KEY,
 		.code		= KEY_POWER,
 		.gpio		= PIN_PWR_SW_N,
 		.active_low	= 1,
 		.desc		= "power button",
 	},
 	[1] = {
 		.type		= EV_KEY,
 		.code		= KEY_LEFT,
 		.gpio		= PIN_PB_LEFT,
 		.active_low	= 1,
 		.desc		= "left button",
 	},
 	[2] = {
 		.type		= EV_KEY,
 		.code		= KEY_RIGHT,
 		.gpio		= PIN_PB_RIGHT,
 		.active_low	= 1,
 		.desc		= "right button",
 	},
 };

 static const struct gpio_keys_platform_data rmt_gpio_keys_data = {
 	.nbuttons =	ARRAY_SIZE(rmt_gpio_keys_buttons),
 	.buttons =	(void *) rmt_gpio_keys_buttons,
 };

 static struct platform_device rmt_gpio_keys = {
 	.name =		"gpio-keys",
 	.id =		-1,
 	.dev = {
 		.platform_data = (void *) &rmt_gpio_keys_data,
 	}
 };

 #ifdef CONFIG_BOARD_MRMT_RTC_I2C
 static struct i2c_board_info __initdata mrmt1_i2c_rtc = {
 	I2C_BOARD_INFO("s35390a", 0x30),
 	.irq		= 0,
 };
 #endif

 static void mrmt_power_off(void)
 {
 	/* PWR_ON=0 will force power off */
 	gpio_set_value( PIN_PWR_ON, 0 );
 }

 static int __init mrmt1_init(void)
 {
 	gpio_set_value( PIN_PWR_ON, 1 );	/* Ensure PWR_ON is enabled */

 	pm_power_off = mrmt_power_off;

 	/* Setup USARTS (other than console) */
 	at32_map_usart(2, 1, 0);	/* USART 2: /dev/ttyS1, RMT1:DB9M */
 	at32_map_usart(3, 2, ATMEL_USART_RTS | ATMEL_USART_CTS);
 			/* USART 3: /dev/ttyS2, RMT1:Wireless, w/ RTS/CTS */
 	at32_add_device_usart(1);
 	at32_add_device_usart(2);

 	/* Select GPIO Key pins */
 	at32_select_gpio( PIN_PWR_SW_N, AT32_GPIOF_DEGLITCH);
 	at32_select_gpio( PIN_PB_LEFT, AT32_GPIOF_DEGLITCH);
 	at32_select_gpio( PIN_PB_RIGHT, AT32_GPIOF_DEGLITCH);
 	platform_device_register(&rmt_gpio_keys);

 #ifdef CONFIG_BOARD_MRMT_RTC_I2C
 	i2c_register_board_info(0, &mrmt1_i2c_rtc, 1);
 #endif

 #ifndef CONFIG_BOARD_MRMT_LCD_DISABLE
 	/* User "alternate" LCDC inferface on Port E & D */
 	/* NB: exclude LCDC_CC pin, as NGW100 reserves it for other use */
 	at32_add_device_lcdc(0, &rmt_lcdc_data,
 		fbmem_start, fbmem_size,
 		(ATMEL_LCDC_ALT_24BIT | ATMEL_LCDC_PE_DVAL ) );
 #endif

 #ifdef CONFIG_BOARD_MRMT_AC97
 	at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
 #endif

 #ifdef CONFIG_BOARD_MRMT_ADS7846_TS
 	/* Select the Touchscreen interrupt pin mode */
 	at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
 			GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
 	irq_set_irq_type(AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING);
 	at32_spi_setup_slaves(0,spi01_board_info,ARRAY_SIZE(spi01_board_info));
 	spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
 #endif

 #ifdef CONFIG_BOARD_MRMT_UCB1400_TS
 	/* Select the Touchscreen interrupt pin mode */
 	at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
 			GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
 	platform_device_register(&rmt_ts_device);
 #endif

 	at32_select_gpio( PIN_LCD_DISP, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_LCD_DISP, "LCD_DISP" );
 	gpio_direction_output( PIN_LCD_DISP, 0 );	/* LCD DISP */
 #ifdef CONFIG_BOARD_MRMT_LCD_DISABLE
 	/* Keep Backlight and DISP off */
 	at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_LCD_BL, "LCD_BL" );
 	gpio_direction_output( PIN_LCD_BL, 0 );		/* Backlight */
 #else
 	gpio_set_value( PIN_LCD_DISP, 1 );	/* DISP asserted first */
 #ifdef CONFIG_BOARD_MRMT_BL_PWM
 	/* Use PWM for Backlight controls */
 	at32_add_device_pwm(1 << PWM_CH_BL);
 	pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
 	platform_device_register(&leds_pwm);
 #else
 	/* Backlight always on */
 	udelay( 1 );
 	at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_LCD_BL, "LCD_BL" );
 	gpio_direction_output( PIN_LCD_BL, 1 );
 #endif
 #endif

 	/* Make sure BT and Zigbee modules in reset */
 	at32_select_gpio( PIN_BT_RST, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_BT_RST, "BT_RST" );
 	gpio_direction_output( PIN_BT_RST, 1 );
 	/* BT Module in Reset */

 	at32_select_gpio( PIN_ZB_RST_N, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_ZB_RST_N, "ZB_RST_N" );
 	gpio_direction_output( PIN_ZB_RST_N, 0 );
 	/* XBee Module in Reset */

 #ifdef CONFIG_BOARD_MRMT_WIRELESS_ZB
 	udelay( 1000 );
 	/* Unreset the XBee Module */
 	gpio_set_value( PIN_ZB_RST_N, 1 );
 #endif
 #ifdef CONFIG_BOARD_MRMT_WIRELESS_BT
 	udelay( 1000 );
 	/* Unreset the BT Module */
 	gpio_set_value( PIN_BT_RST, 0 );
 #endif

 	return 0;
 }
 arch_initcall(mrmt1_init);

 static int __init mrmt1_early_init(void)
 {
 	/* To maintain power-on signal in case boot loader did not already */
 	at32_select_gpio( PIN_PWR_ON, AT32_GPIOF_OUTPUT );
 	gpio_request( PIN_PWR_ON, "PIN_PWR_ON" );
 	gpio_direction_output( PIN_PWR_ON, 1 );

 	return 0;
 }
 core_initcall(mrmt1_early_init);
	/*
	* Board-specific setup code for Remote Media Terminal 1 (RMT1)
	* add-on board for the ATNGW100 Network Gateway
	*
	* Copyright (C) 2008 Mediama Technologies
	* Based on ATNGW100 Network Gateway (Copyright (C) Atmel)
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/
	#include <linux/gpio.h>
	#include <linux/init.h>
	#include <linux/irq.h>
	#include <linux/linkage.h>
	#include <linux/platform_device.h>
	#include <linux/types.h>
	#include <linux/fb.h>
	#include <linux/leds.h>
	#include <linux/pwm.h>
	#include <linux/leds_pwm.h>
	#include <linux/input.h>
	#include <linux/gpio_keys.h>
	#include <linux/atmel_serial.h>
	#include <linux/spi/spi.h>
	#include <linux/spi/ads7846.h>

	#include <video/atmel_lcdc.h>
	#include <sound/atmel-ac97c.h>

	#include <asm/delay.h>
	#include <asm/io.h>
	#include <asm/setup.h>

	#include <mach/at32ap700x.h>
	#include <mach/board.h>
	#include <mach/init.h>
	#include <mach/portmux.h>

	/* Define board-specifoic GPIO assignments */
	#define PIN_LCD_BL GPIO_PIN_PA(28)
	#define PWM_CH_BL 0 /* Must match with GPIO pin definition */
	#define PIN_LCD_DISP GPIO_PIN_PA(31)
	#define PIN_AC97_RST_N GPIO_PIN_PA(30)
	#define PB_EXTINT_BASE 25
	#define TS_IRQ 0
	#define PIN_TS_EXTINT GPIO_PIN_PB(PB_EXTINT_BASE+TS_IRQ)
	#define PIN_PB_LEFT GPIO_PIN_PB(11)
	#define PIN_PB_RIGHT GPIO_PIN_PB(12)
	#define PIN_PWR_SW_N GPIO_PIN_PB(14)
	#define PIN_PWR_ON GPIO_PIN_PB(13)
	#define PIN_ZB_RST_N GPIO_PIN_PA(21)
	#define PIN_BT_RST GPIO_PIN_PA(22)
	#define PIN_LED_SYS GPIO_PIN_PA(16)
	#define PIN_LED_A GPIO_PIN_PA(19)
	#define PIN_LED_B GPIO_PIN_PE(19)

	#ifdef CONFIG_BOARD_MRMT_LCD_LQ043T3DX0X
	/* Sharp LQ043T3DX0x (or compatible) panel */
	static struct fb_videomode __initdata lcd_fb_modes[] = {
	{
	.name = "480x272 @ 59.94Hz",
	.refresh = 59.94,
	.xres = 480, .yres = 272,
	.pixclock = KHZ2PICOS(9000),

	.left_margin = 2, .right_margin = 2,
	.upper_margin = 3, .lower_margin = 9,
	.hsync_len = 41, .vsync_len = 1,

	.sync = 0,
	.vmode = FB_VMODE_NONINTERLACED,
	},
	};

	static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
	.manufacturer = "SHA",
	.monitor = "LQ043T3DX02",
	.modedb = lcd_fb_modes,
	.modedb_len = ARRAY_SIZE(lcd_fb_modes),
	.hfmin = 14915,
	.hfmax = 17638,
	.vfmin = 53,
	.vfmax = 61,
	.dclkmax = 9260000,
	};

	static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
	.default_bpp = 24,
	.default_dmacon = ATMEL_LCDC_DMAEN \| ATMEL_LCDC_DMA2DEN,
	.default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
	\| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
	\| ATMEL_LCDC_INVCLK_NORMAL
	\| ATMEL_LCDC_MEMOR_BIG),
	.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
	.default_monspecs = &lcd_fb_default_monspecs,
	.guard_time = 2,
	};
	#endif

	#ifdef CONFIG_BOARD_MRMT_LCD_KWH043GM08
	/* Sharp KWH043GM08-Fxx (or compatible) panel */
	static struct fb_videomode __initdata lcd_fb_modes[] = {
	{
	.name = "480x272 @ 59.94Hz",
	.refresh = 59.94,
	.xres = 480, .yres = 272,
	.pixclock = KHZ2PICOS(9000),

	.left_margin = 2, .right_margin = 2,
	.upper_margin = 3, .lower_margin = 9,
	.hsync_len = 41, .vsync_len = 1,

	.sync = 0,
	.vmode = FB_VMODE_NONINTERLACED,
	},
	};

	static struct fb_monspecs __initdata lcd_fb_default_monspecs = {
	.manufacturer = "FOR",
	.monitor = "KWH043GM08",
	.modedb = lcd_fb_modes,
	.modedb_len = ARRAY_SIZE(lcd_fb_modes),
	.hfmin = 14915,
	.hfmax = 17638,
	.vfmin = 53,
	.vfmax = 61,
	.dclkmax = 9260000,
	};

	static struct atmel_lcdfb_pdata __initdata rmt_lcdc_data = {
	.default_bpp = 24,
	.default_dmacon = ATMEL_LCDC_DMAEN \| ATMEL_LCDC_DMA2DEN,
	.default_lcdcon2 = (ATMEL_LCDC_DISTYPE_TFT
	\| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
	\| ATMEL_LCDC_INVCLK_INVERTED
	\| ATMEL_LCDC_MEMOR_BIG),
	.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
	.default_monspecs = &lcd_fb_default_monspecs,
	.guard_time = 2,
	};
	#endif

	#ifdef CONFIG_BOARD_MRMT_AC97
	static struct ac97c_platform_data __initdata ac97c0_data = {
	.reset_pin = PIN_AC97_RST_N,
	};
	#endif

	#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
	/* NOTE: IRQ assignment relies on kernel module parameter */
	static struct platform_device rmt_ts_device = {
	.name = "ucb1400_ts",
	.id = -1,
	};
	#endif

	#ifdef CONFIG_BOARD_MRMT_BL_PWM
	/* PWM LEDs: LCD Backlight, etc */
	static struct pwm_lookup pwm_lookup[] = {
	PWM_LOOKUP("at91sam9rl-pwm", PWM_CH_BL, "leds_pwm", "ds1",
	5000, PWM_POLARITY_INVERSED),
	};

	static struct led_pwm pwm_leds[] = {
	{
	.name = "backlight",
	.max_brightness = 255,
	},
	};

	static struct led_pwm_platform_data pwm_data = {
	.num_leds = ARRAY_SIZE(pwm_leds),
	.leds = pwm_leds,
	};

	static struct platform_device leds_pwm = {
	.name = "leds_pwm",
	.id = -1,
	.dev = {
	.platform_data = &pwm_data,
	},
	};
	#endif

	#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
	static int ads7846_pendown_state(void)
	{
	return !gpio_get_value( PIN_TS_EXTINT ); /* PENIRQ.*/
	}

	static struct ads7846_platform_data ads_info = {
	.model = 7846,
	.keep_vref_on = 0, /* Use external VREF pin */
	.vref_delay_usecs = 0,
	.vref_mv = 3300, /* VREF = 3.3V */
	.settle_delay_usecs = 800,
	.penirq_recheck_delay_usecs = 800,
	.x_plate_ohms = 750,
	.y_plate_ohms = 300,
	.pressure_max = 4096,
	.debounce_max = 1,
	.debounce_rep = 0,
	.debounce_tol = (~0),
	.get_pendown_state = ads7846_pendown_state,
	.filter = NULL,
	.filter_init = NULL,
	};

	static struct spi_board_info spi01_board_info[] __initdata = {
	{
	.modalias = "ads7846",
	.max_speed_hz = 31250*26,
	.bus_num = 0,
	.chip_select = 1,
	.platform_data = &ads_info,
	.irq = AT32_EXTINT(TS_IRQ),
	},
	};
	#endif

	/* GPIO Keys: left, right, power, etc */
	static const struct gpio_keys_button rmt_gpio_keys_buttons[] = {
	[0] = {
	.type = EV_KEY,
	.code = KEY_POWER,
	.gpio = PIN_PWR_SW_N,
	.active_low = 1,
	.desc = "power button",
	},
	[1] = {
	.type = EV_KEY,
	.code = KEY_LEFT,
	.gpio = PIN_PB_LEFT,
	.active_low = 1,
	.desc = "left button",
	},
	[2] = {
	.type = EV_KEY,
	.code = KEY_RIGHT,
	.gpio = PIN_PB_RIGHT,
	.active_low = 1,
	.desc = "right button",
	},
	};

	static const struct gpio_keys_platform_data rmt_gpio_keys_data = {
	.nbuttons = ARRAY_SIZE(rmt_gpio_keys_buttons),
	.buttons = (void *) rmt_gpio_keys_buttons,
	};

	static struct platform_device rmt_gpio_keys = {
	.name = "gpio-keys",
	.id = -1,
	.dev = {
	.platform_data = (void *) &rmt_gpio_keys_data,
	}
	};

	#ifdef CONFIG_BOARD_MRMT_RTC_I2C
	static struct i2c_board_info __initdata mrmt1_i2c_rtc = {
	I2C_BOARD_INFO("s35390a", 0x30),
	.irq = 0,
	};
	#endif

	static void mrmt_power_off(void)
	{
	/* PWR_ON=0 will force power off */
	gpio_set_value( PIN_PWR_ON, 0 );
	}

	static int __init mrmt1_init(void)
	{
	gpio_set_value( PIN_PWR_ON, 1 ); /* Ensure PWR_ON is enabled */

	pm_power_off = mrmt_power_off;

	/* Setup USARTS (other than console) */
	at32_map_usart(2, 1, 0); /* USART 2: /dev/ttyS1, RMT1:DB9M */
	at32_map_usart(3, 2, ATMEL_USART_RTS \| ATMEL_USART_CTS);
	/* USART 3: /dev/ttyS2, RMT1:Wireless, w/ RTS/CTS */
	at32_add_device_usart(1);
	at32_add_device_usart(2);

	/* Select GPIO Key pins */
	at32_select_gpio( PIN_PWR_SW_N, AT32_GPIOF_DEGLITCH);
	at32_select_gpio( PIN_PB_LEFT, AT32_GPIOF_DEGLITCH);
	at32_select_gpio( PIN_PB_RIGHT, AT32_GPIOF_DEGLITCH);
	platform_device_register(&rmt_gpio_keys);

	#ifdef CONFIG_BOARD_MRMT_RTC_I2C
	i2c_register_board_info(0, &mrmt1_i2c_rtc, 1);
	#endif

	#ifndef CONFIG_BOARD_MRMT_LCD_DISABLE
	/* User "alternate" LCDC inferface on Port E & D */
	/* NB: exclude LCDC_CC pin, as NGW100 reserves it for other use */
	at32_add_device_lcdc(0, &rmt_lcdc_data,
	fbmem_start, fbmem_size,
	(ATMEL_LCDC_ALT_24BIT \| ATMEL_LCDC_PE_DVAL ) );
	#endif

	#ifdef CONFIG_BOARD_MRMT_AC97
	at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
	#endif

	#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
	/* Select the Touchscreen interrupt pin mode */
	at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
	GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
	irq_set_irq_type(AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING);
	at32_spi_setup_slaves(0,spi01_board_info,ARRAY_SIZE(spi01_board_info));
	spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
	#endif

	#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
	/* Select the Touchscreen interrupt pin mode */
	at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
	GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
	platform_device_register(&rmt_ts_device);
	#endif

	at32_select_gpio( PIN_LCD_DISP, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_LCD_DISP, "LCD_DISP" );
	gpio_direction_output( PIN_LCD_DISP, 0 ); /* LCD DISP */
	#ifdef CONFIG_BOARD_MRMT_LCD_DISABLE
	/* Keep Backlight and DISP off */
	at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_LCD_BL, "LCD_BL" );
	gpio_direction_output( PIN_LCD_BL, 0 ); /* Backlight */
	#else
	gpio_set_value( PIN_LCD_DISP, 1 ); /* DISP asserted first */
	#ifdef CONFIG_BOARD_MRMT_BL_PWM
	/* Use PWM for Backlight controls */
	at32_add_device_pwm(1 << PWM_CH_BL);
	pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
	platform_device_register(&leds_pwm);
	#else
	/* Backlight always on */
	udelay( 1 );
	at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_LCD_BL, "LCD_BL" );
	gpio_direction_output( PIN_LCD_BL, 1 );
	#endif
	#endif

	/* Make sure BT and Zigbee modules in reset */
	at32_select_gpio( PIN_BT_RST, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_BT_RST, "BT_RST" );
	gpio_direction_output( PIN_BT_RST, 1 );
	/* BT Module in Reset */

	at32_select_gpio( PIN_ZB_RST_N, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_ZB_RST_N, "ZB_RST_N" );
	gpio_direction_output( PIN_ZB_RST_N, 0 );
	/* XBee Module in Reset */

	#ifdef CONFIG_BOARD_MRMT_WIRELESS_ZB
	udelay( 1000 );
	/* Unreset the XBee Module */
	gpio_set_value( PIN_ZB_RST_N, 1 );
	#endif
	#ifdef CONFIG_BOARD_MRMT_WIRELESS_BT
	udelay( 1000 );
	/* Unreset the BT Module */
	gpio_set_value( PIN_BT_RST, 0 );
	#endif

	return 0;
	}
	arch_initcall(mrmt1_init);

	static int __init mrmt1_early_init(void)
	{
	/* To maintain power-on signal in case boot loader did not already */
	at32_select_gpio( PIN_PWR_ON, AT32_GPIOF_OUTPUT );
	gpio_request( PIN_PWR_ON, "PIN_PWR_ON" );
	gpio_direction_output( PIN_PWR_ON, 1 );

	return 0;
	}
	core_initcall(mrmt1_early_init);