[deliverable/linux.git] / arch / arm / mach-s3c2410 / mach-n30.c

/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
 * Yakumo AlphaX and Airis NC05 PDAs.
 *
 * Copyright (c) 2003-2005 Simtec Electronics
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
 *
 * There is a wiki with more information about the n30 port at
 * http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
 *
 * 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/kernel.h>
#include <linux/types.h>

#include <linux/gpio_keys.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/timer.h>
#include <linux/io.h>
#include <linux/mmc/host.h>

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

#include <mach/fb.h>
#include <mach/leds-gpio.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>

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

#include <plat/iic.h>
#include <plat/regs-serial.h>

#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/mci.h>
#include <plat/s3c2410.h>
#include <plat/udc.h>

static struct map_desc n30_iodesc[] __initdata = {
	/* nothing here yet */
};

static struct s3c2410_uartcfg n30_uartcfgs[] = {
	/* Normal serial port */
	[0] = {
		.hwport	     = 0,
		.flags	     = 0,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
	/* IR port */
	[1] = {
		.hwport	     = 1,
		.flags	     = 0,
		.uart_flags  = UPF_CONS_FLOW,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x43,
		.ufcon	     = 0x51,
	},
	/* On the N30 the bluetooth controller is connected here.
	 * On the N35 and variants the GPS receiver is connected here. */
	[2] = {
		.hwport	     = 2,
		.flags	     = 0,
		.ucon	     = 0x2c5,
		.ulcon	     = 0x03,
		.ufcon	     = 0x51,
	},
};

static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
	.vbus_pin		= S3C2410_GPG(1),
	.vbus_pin_inverted	= 0,
	.pullup_pin		= S3C2410_GPB(3),
};

static struct gpio_keys_button n30_buttons[] = {
	{
		.gpio		= S3C2410_GPF(0),
		.code		= KEY_POWER,
		.desc		= "Power",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(9),
		.code		= KEY_UP,
		.desc		= "Thumbwheel Up",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(8),
		.code		= KEY_DOWN,
		.desc		= "Thumbwheel Down",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(7),
		.code		= KEY_ENTER,
		.desc		= "Thumbwheel Press",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(7),
		.code		= KEY_HOMEPAGE,
		.desc		= "Home",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(6),
		.code		= KEY_CALENDAR,
		.desc		= "Calendar",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(5),
		.code		= KEY_ADDRESSBOOK,
		.desc		= "Contacts",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(4),
		.code		= KEY_MAIL,
		.desc		= "Mail",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data n30_button_data = {
	.buttons	= n30_buttons,
	.nbuttons	= ARRAY_SIZE(n30_buttons),
};

static struct platform_device n30_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &n30_button_data,
	}
};

static struct gpio_keys_button n35_buttons[] = {
	{
		.gpio		= S3C2410_GPF(0),
		.code		= KEY_POWER,
		.type		= EV_PWR,
		.desc		= "Power",
		.active_low	= 0,
		.wakeup		= 1,
	},
	{
		.gpio		= S3C2410_GPG(9),
		.code		= KEY_UP,
		.desc		= "Joystick Up",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(8),
		.code		= KEY_DOWN,
		.desc		= "Joystick Down",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(6),
		.code		= KEY_DOWN,
		.desc		= "Joystick Left",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(5),
		.code		= KEY_DOWN,
		.desc		= "Joystick Right",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(7),
		.code		= KEY_ENTER,
		.desc		= "Joystick Press",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(7),
		.code		= KEY_HOMEPAGE,
		.desc		= "Home",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(6),
		.code		= KEY_CALENDAR,
		.desc		= "Calendar",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(5),
		.code		= KEY_ADDRESSBOOK,
		.desc		= "Contacts",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(4),
		.code		= KEY_MAIL,
		.desc		= "Mail",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPF(3),
		.code		= SW_RADIO,
		.desc		= "GPS Antenna",
		.active_low	= 0,
	},
	{
		.gpio		= S3C2410_GPG(2),
		.code		= SW_HEADPHONE_INSERT,
		.desc		= "Headphone",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data n35_button_data = {
	.buttons	= n35_buttons,
	.nbuttons	= ARRAY_SIZE(n35_buttons),
};

static struct platform_device n35_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &n35_button_data,
	}
};

/* This is the bluetooth LED on the device. */
static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	.name		= "blue_led",
	.gpio		= S3C2410_GPG(6),
	.def_trigger	= "",
};

/* This is the blue LED on the device. Originaly used to indicate GPS activity
 * by flashing. */
static struct s3c24xx_led_platdata n35_blue_led_pdata = {
	.name		= "blue_led",
	.gpio		= S3C2410_GPD(8),
	.def_trigger	= "",
};

/* This LED is driven by the battery microcontroller, and is blinking
 * red, blinking green or solid green when the battery is low,
 * charging or full respectively.  By driving GPD9 low, it's possible
 * to force the LED to blink red, so call that warning LED.  */
static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	.name		= "warning_led",
	.flags          = S3C24XX_LEDF_ACTLOW,
	.gpio		= S3C2410_GPD(9),
	.def_trigger	= "",
};

static struct s3c24xx_led_platdata n35_warning_led_pdata = {
	.name		= "warning_led",
	.flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
	.gpio		= S3C2410_GPD(9),
	.def_trigger	= "",
};

static struct platform_device n30_blue_led = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &n30_blue_led_pdata,
	},
};

static struct platform_device n35_blue_led = {
	.name		= "s3c24xx_led",
	.id		= 1,
	.dev		= {
		.platform_data	= &n35_blue_led_pdata,
	},
};

static struct platform_device n30_warning_led = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &n30_warning_led_pdata,
	},
};

static struct platform_device n35_warning_led = {
	.name		= "s3c24xx_led",
	.id		= 2,
	.dev		= {
		.platform_data	= &n35_warning_led_pdata,
	},
};

static struct s3c2410fb_display n30_display __initdata = {
	.type		= S3C2410_LCDCON1_TFT,
	.width		= 240,
	.height		= 320,
	.pixclock	= 170000,

	.xres		= 240,
	.yres		= 320,
	.bpp		= 16,
	.left_margin	= 3,
	.right_margin	= 40,
	.hsync_len	= 40,
	.upper_margin	= 2,
	.lower_margin	= 3,
	.vsync_len	= 2,

	.lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
};

static struct s3c2410fb_mach_info n30_fb_info __initdata = {
	.displays	= &n30_display,
	.num_displays	= 1,
	.default_display = 0,
	.lpcsel		= 0x06,
};

static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
{
	switch (power_mode) {
	case MMC_POWER_ON:
	case MMC_POWER_UP:
		gpio_set_value(S3C2410_GPG(4), 1);
		break;
	case MMC_POWER_OFF:
	default:
		gpio_set_value(S3C2410_GPG(4), 0);
		break;
	}
}

static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
	.gpio_detect	= S3C2410_GPF(1),
	.gpio_wprotect  = S3C2410_GPG(10),
	.ocr_avail	= MMC_VDD_32_33,
	.set_power	= n30_sdi_set_power,
};

static struct platform_device *n30_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_ohci,
	&s3c_device_rtc,
	&s3c_device_usbgadget,
	&s3c_device_sdi,
	&n30_button_device,
	&n30_blue_led,
	&n30_warning_led,
};

static struct platform_device *n35_devices[] __initdata = {
	&s3c_device_lcd,
	&s3c_device_wdt,
	&s3c_device_i2c0,
	&s3c_device_iis,
	&s3c_device_rtc,
	&s3c_device_usbgadget,
	&s3c_device_sdi,
	&n35_button_device,
	&n35_blue_led,
	&n35_warning_led,
};

static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
	.flags		= 0,
	.slave_addr	= 0x10,
	.frequency	= 10*1000,
};

/* Lots of hardcoded stuff, but it sets up the hardware in a useful
 * state so that we can boot Linux directly from flash. */
static void __init n30_hwinit(void)
{
	/* GPA0-11 special functions -- unknown what they do
	 * GPA12 N30 special function -- unknown what it does
	 *       N35/PiN output -- unknown what it does
	 *
	 * A12 is nGCS1 on the N30 and an output on the N35/PiN.  I
	 * don't think it does anything useful on the N30, so I ought
	 * to make it an output there too since it always driven to 0
	 * as far as I can tell. */
	if (machine_is_n30())
		__raw_writel(0x007fffff, S3C2410_GPACON);
	if (machine_is_n35())
		__raw_writel(0x007fefff, S3C2410_GPACON);
	__raw_writel(0x00000000, S3C2410_GPADAT);

	/* GPB0 TOUT0 backlight level
	 * GPB1 output 1=backlight on
	 * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	 * GPB3 output USB D+ pull up 0=disabled, 1=enabled
	 * GPB4 N30 output -- unknown function
	 *      N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	 * GPB5 output -- unknown function
	 * GPB6 input -- unknown function
	 * GPB7 output -- unknown function
	 * GPB8 output -- probably LCD driver enable
	 * GPB9 output -- probably LCD VSYNC driver enable
	 * GPB10 output -- probably LCD HSYNC driver enable
	 */
	__raw_writel(0x00154556, S3C2410_GPBCON);
	__raw_writel(0x00000750, S3C2410_GPBDAT);
	__raw_writel(0x00000073, S3C2410_GPBUP);

	/* GPC0 input RS232 DCD/DSR/RI
	 * GPC1 LCD
	 * GPC2 output RS232 DTR?
	 * GPC3 input RS232 DCD/DSR/RI
	 * GPC4 LCD
	 * GPC5 output 0=NAND write enabled, 1=NAND write protect
	 * GPC6 input -- unknown function
	 * GPC7 input charger status 0=charger connected
	 *      this input can be triggered by power on the USB device
	 *      port too, but will go back to disconnected soon after.
	 * GPC8 N30/N35 output -- unknown function, always driven to 1
	 *      PiN input -- unknown function, always read as 1
	 *      Make it an input with a pull up for all models.
	 * GPC9-15 LCD
	 */
	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	__raw_writel(0x0000fef2, S3C2410_GPCUP);

	/* GPD0 input -- unknown function
	 * GPD1-D7 LCD
	 * GPD8 N30 output -- unknown function
	 *      N35/PiN output 1=GPS LED on
	 * GPD9 output 0=power led blinks red, 1=normal power led function
	 * GPD10 output -- unknown function
	 * GPD11-15 LCD drivers
	 */
	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	__raw_writel(0x00000601, S3C2410_GPDDAT);
	__raw_writel(0x0000fbfe, S3C2410_GPDUP);

	/* GPE0-4 I2S audio bus
	 * GPE5-10 SD/MMC bus
	 * E11-13 outputs -- unknown function, probably power management
	 * E14-15 I2C bus connected to the battery controller
	 */
	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
	__raw_writel(0x0000f81f, S3C2410_GPEUP);

	/* GPF0  input 0=power button pressed
	 * GPF1  input SD/MMC switch 0=card present
	 * GPF2  N30 1=reset button pressed (inverted compared to the rest)
	 *	 N35/PiN 0=reset button pressed
	 * GPF3  N30/PiN input -- unknown function
	 *       N35 input GPS antenna position, 0=antenna closed, 1=open
	 * GPF4  input 0=button 4 pressed
	 * GPF5  input 0=button 3 pressed
	 * GPF6  input 0=button 2 pressed
	 * GPF7  input 0=button 1 pressed
	 */
	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
	__raw_writel(0x00000000, S3C2410_GPFDAT);
	__raw_writel(0x000000ff, S3C2410_GPFUP);

	/* GPG0  input RS232 DCD/DSR/RI
	 * GPG1  input 1=USB gadget port has power from a host
	 * GPG2  N30 input -- unknown function
	 *       N35/PiN input 0=headphones plugged in, 1=not plugged in
	 * GPG3  N30 output -- unknown function
	 *       N35/PiN input with unknown function
	 * GPG4  N30 output 0=MMC enabled, 1=MMC disabled
	 * GPG5  N30 output 0=BlueTooth chip disabled, 1=enabled
	 *       N35/PiN input joystick right
	 * GPG6  N30 output 0=blue led on, 1=off
	 *       N35/PiN input joystick left
	 * GPG7  input 0=thumbwheel pressed
	 * GPG8  input 0=thumbwheel down
	 * GPG9  input 0=thumbwheel up
	 * GPG10 input SD/MMC write protect switch
	 * GPG11 N30 input -- unknown function
	 *       N35 output 0=GPS antenna powered, 1=not powered
	 *       PiN output -- unknown function
	 * GPG12-15 touch screen functions
	 *
	 * The pullups differ between the models, so enable all
	 * pullups that are enabled on any of the models.
	 */
	if (machine_is_n30())
		__raw_writel(0xff0a956a, S3C2410_GPGCON);
	if (machine_is_n35())
		__raw_writel(0xff4aa92a, S3C2410_GPGCON);
	__raw_writel(0x0000e800, S3C2410_GPGDAT);
	__raw_writel(0x0000f86f, S3C2410_GPGUP);

	/* GPH0/1/2/3 RS232 serial port
	 * GPH4/5 IrDA serial port
	 * GPH6/7  N30 BlueTooth serial port
	 *         N35/PiN GPS receiver
	 * GPH8 input -- unknown function
	 * GPH9 CLKOUT0 HCLK -- unknown use
	 * GPH10 CLKOUT1 FCLK -- unknown use
	 *
	 * The pull ups for H6/H7 are enabled on N30 but not on the
	 * N35/PiN.  I suppose is useful for a budget model of the N30
	 * with no bluetooh.  It doesn't hurt to have the pull ups
	 * enabled on the N35, so leave them enabled for all models.
	 */
	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
	__raw_writel(0x000005ef, S3C2410_GPHDAT);
	__raw_writel(0x0000063f, S3C2410_GPHUP);
}

static void __init n30_map_io(void)
{
	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
	n30_hwinit();
	s3c24xx_init_clocks(0);
	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
}

/* GPB3 is the line that controls the pull-up for the USB D+ line */

static void __init n30_init(void)
{
	WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));

	s3c24xx_fb_set_platdata(&n30_fb_info);
	s3c24xx_udc_set_platdata(&n30_udc_cfg);
	s3c24xx_mci_set_platdata(&n30_mci_cfg);
	s3c_i2c0_set_platdata(&n30_i2ccfg);

	/* Turn off suspend on both USB ports, and switch the
	 * selectable USB port to USB device mode. */

	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
			      S3C2410_MISCCR_USBSUSPND0 |
			      S3C2410_MISCCR_USBSUSPND1, 0x0);

	if (machine_is_n30()) {
		/* Turn off suspend on both USB ports, and switch the
		 * selectable USB port to USB device mode. */
		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
				      S3C2410_MISCCR_USBSUSPND0 |
				      S3C2410_MISCCR_USBSUSPND1, 0x0);

		platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	}

	if (machine_is_n35()) {
		/* Turn off suspend and switch the selectable USB port
		 * to USB device mode.  Turn on suspend for the host
		 * port since it is not connected on the N35.
		 *
		 * Actually, the host port is available at some pads
		 * on the back of the device, so it would actually be
		 * possible to add a USB device inside the N35 if you
		 * are willing to do some hardware modifications. */
		s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
				      S3C2410_MISCCR_USBSUSPND0 |
				      S3C2410_MISCCR_USBSUSPND1,
				      S3C2410_MISCCR_USBSUSPND0);

		platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	}
}

MACHINE_START(N30, "Acer-N30")
	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
				Ben Dooks <ben-linux@fluff.org>
	*/
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.timer		= &s3c24xx_timer,
	.init_machine	= n30_init,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= n30_map_io,
MACHINE_END

MACHINE_START(N35, "Acer-N35")
	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	*/
	.boot_params	= S3C2410_SDRAM_PA + 0x100,
	.timer		= &s3c24xx_timer,
	.init_machine	= n30_init,
	.init_irq	= s3c24xx_init_irq,
	.map_io		= n30_map_io,
MACHINE_END
Commit	Line	Data
95790873 CW	1	/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
95790873 CW	2	* Yakumo AlphaX and Airis NC05 PDAs.
1da177e4 LT	3	*
	4	* Copyright (c) 2003-2005 Simtec Electronics
	5	* Ben Dooks <ben@simtec.co.uk>
	6	*
196a0475	7	* Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
1da177e4 LT	8	*
	9	* There is a wiki with more information about the n30 port at
	10	* http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License version 2 as
	14	* published by the Free Software Foundation.
95790873	15	*/
1da177e4 LT	16
	17	#include <linux/kernel.h>
	18	#include <linux/types.h>
196a0475	19
62065750	20	#include <linux/gpio_keys.h>
196a0475	21	#include <linux/init.h>
ec976d6e	22	#include <linux/gpio.h>
62065750	23	#include <linux/input.h>
196a0475	24	#include <linux/interrupt.h>
d052d1be	25	#include <linux/platform_device.h>
196a0475 CW	26	#include <linux/serial_core.h>
196a0475 CW	27	#include <linux/timer.h>
fced80c7	28	#include <linux/io.h>
50cdba78	29	#include <linux/mmc/host.h>
1da177e4	30
a09e64fb	31	#include <mach/hardware.h>
1da177e4 LT	32	#include <asm/irq.h>
	33	#include <asm/mach-types.h>
	34
a09e64fb RK	35	#include <mach/fb.h>
	36	#include <mach/leds-gpio.h>
	37	#include <mach/regs-gpio.h>
	38	#include <mach/regs-lcd.h>
196a0475 CW	39
	40	#include <asm/mach/arch.h>
	41	#include <asm/mach/irq.h>
	42	#include <asm/mach/map.h>
	43
9498cb79	44	#include <plat/iic.h>
a2b7ba9c	45	#include <plat/regs-serial.h>
1da177e4	46
d5120ae7	47	#include <plat/clock.h>
a2b7ba9c BD	48	#include <plat/cpu.h>
a2b7ba9c BD	49	#include <plat/devs.h>
50cdba78	50	#include <plat/mci.h>
a2b7ba9c	51	#include <plat/s3c2410.h>
57bd4b91	52	#include <plat/udc.h>
1da177e4 LT	53
	54	static struct map_desc n30_iodesc[] __initdata = {
	55	/* nothing here yet */
	56	};
	57
	58	static struct s3c2410_uartcfg n30_uartcfgs[] = {
	59	/* Normal serial port */
	60	[0] = {
	61	.hwport = 0,
	62	.flags = 0,
	63	.ucon = 0x2c5,
	64	.ulcon = 0x03,
	65	.ufcon = 0x51,
	66	},
	67	/* IR port */
	68	[1] = {
	69	.hwport = 1,
	70	.flags = 0,
	71	.uart_flags = UPF_CONS_FLOW,
	72	.ucon = 0x2c5,
	73	.ulcon = 0x43,
	74	.ufcon = 0x51,
	75	},
95790873 CW	76	/* On the N30 the bluetooth controller is connected here.
95790873 CW	77	* On the N35 and variants the GPS receiver is connected here. */
1da177e4 LT	78	[2] = {
	79	.hwport = 2,
	80	.flags = 0,
	81	.ucon = 0x2c5,
	82	.ulcon = 0x03,
	83	.ufcon = 0x51,
	84	},
	85	};
	86
d088e5fe	87	static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
070276d5	88	.vbus_pin = S3C2410_GPG(1),
d088e5fe	89	.vbus_pin_inverted = 0,
e27c3c5c	90	.pullup_pin = S3C2410_GPB(3),
d088e5fe CW	91	};
d088e5fe CW	92
62065750 CW	93	static struct gpio_keys_button n30_buttons[] = {
62065750 CW	94	{
070276d5	95	.gpio = S3C2410_GPF(0),
62065750 CW	96	.code = KEY_POWER,
	97	.desc = "Power",
	98	.active_low = 0,
	99	},
	100	{
070276d5	101	.gpio = S3C2410_GPG(9),
62065750 CW	102	.code = KEY_UP,
	103	.desc = "Thumbwheel Up",
	104	.active_low = 0,
	105	},
	106	{
070276d5	107	.gpio = S3C2410_GPG(8),
62065750 CW	108	.code = KEY_DOWN,
	109	.desc = "Thumbwheel Down",
	110	.active_low = 0,
	111	},
	112	{
070276d5	113	.gpio = S3C2410_GPG(7),
62065750 CW	114	.code = KEY_ENTER,
	115	.desc = "Thumbwheel Press",
	116	.active_low = 0,
	117	},
	118	{
070276d5	119	.gpio = S3C2410_GPF(7),
62065750 CW	120	.code = KEY_HOMEPAGE,
	121	.desc = "Home",
	122	.active_low = 0,
	123	},
	124	{
070276d5	125	.gpio = S3C2410_GPF(6),
62065750 CW	126	.code = KEY_CALENDAR,
	127	.desc = "Calendar",
	128	.active_low = 0,
	129	},
	130	{
070276d5	131	.gpio = S3C2410_GPF(5),
62065750 CW	132	.code = KEY_ADDRESSBOOK,
	133	.desc = "Contacts",
	134	.active_low = 0,
	135	},
	136	{
070276d5	137	.gpio = S3C2410_GPF(4),
62065750 CW	138	.code = KEY_MAIL,
	139	.desc = "Mail",
	140	.active_low = 0,
	141	},
	142	};
	143
	144	static struct gpio_keys_platform_data n30_button_data = {
	145	.buttons = n30_buttons,
	146	.nbuttons = ARRAY_SIZE(n30_buttons),
	147	};
	148
	149	static struct platform_device n30_button_device = {
	150	.name = "gpio-keys",
	151	.id = -1,
	152	.dev = {
	153	.platform_data = &n30_button_data,
	154	}
	155	};
	156
95790873 CW	157	static struct gpio_keys_button n35_buttons[] = {
95790873 CW	158	{
070276d5	159	.gpio = S3C2410_GPF(0),
95790873	160	.code = KEY_POWER,
aeb1b7e4	161	.type = EV_PWR,
95790873 CW	162	.desc = "Power",
95790873 CW	163	.active_low = 0,
aeb1b7e4	164	.wakeup = 1,
95790873 CW	165	},
95790873 CW	166	{
070276d5	167	.gpio = S3C2410_GPG(9),
95790873 CW	168	.code = KEY_UP,
	169	.desc = "Joystick Up",
	170	.active_low = 0,
	171	},
	172	{
070276d5	173	.gpio = S3C2410_GPG(8),
95790873 CW	174	.code = KEY_DOWN,
	175	.desc = "Joystick Down",
	176	.active_low = 0,
	177	},
	178	{
070276d5	179	.gpio = S3C2410_GPG(6),
95790873 CW	180	.code = KEY_DOWN,
	181	.desc = "Joystick Left",
	182	.active_low = 0,
	183	},
	184	{
070276d5	185	.gpio = S3C2410_GPG(5),
95790873 CW	186	.code = KEY_DOWN,
	187	.desc = "Joystick Right",
	188	.active_low = 0,
	189	},
	190	{
070276d5	191	.gpio = S3C2410_GPG(7),
95790873 CW	192	.code = KEY_ENTER,
	193	.desc = "Joystick Press",
	194	.active_low = 0,
	195	},
	196	{
070276d5	197	.gpio = S3C2410_GPF(7),
95790873 CW	198	.code = KEY_HOMEPAGE,
	199	.desc = "Home",
	200	.active_low = 0,
	201	},
	202	{
070276d5	203	.gpio = S3C2410_GPF(6),
95790873 CW	204	.code = KEY_CALENDAR,
	205	.desc = "Calendar",
	206	.active_low = 0,
	207	},
	208	{
070276d5	209	.gpio = S3C2410_GPF(5),
95790873 CW	210	.code = KEY_ADDRESSBOOK,
	211	.desc = "Contacts",
	212	.active_low = 0,
	213	},
	214	{
070276d5	215	.gpio = S3C2410_GPF(4),
95790873 CW	216	.code = KEY_MAIL,
	217	.desc = "Mail",
	218	.active_low = 0,
	219	},
	220	{
070276d5	221	.gpio = S3C2410_GPF(3),
95790873 CW	222	.code = SW_RADIO,
	223	.desc = "GPS Antenna",
	224	.active_low = 0,
	225	},
	226	{
070276d5	227	.gpio = S3C2410_GPG(2),
95790873 CW	228	.code = SW_HEADPHONE_INSERT,
	229	.desc = "Headphone",
	230	.active_low = 0,
	231	},
	232	};
	233
	234	static struct gpio_keys_platform_data n35_button_data = {
	235	.buttons = n35_buttons,
	236	.nbuttons = ARRAY_SIZE(n35_buttons),
	237	};
	238
	239	static struct platform_device n35_button_device = {
	240	.name = "gpio-keys",
	241	.id = -1,
	242	.num_resources = 0,
	243	.dev = {
	244	.platform_data = &n35_button_data,
	245	}
	246	};
	247
865cc639 CW	248	/* This is the bluetooth LED on the device. */
	249	static struct s3c24xx_led_platdata n30_blue_led_pdata = {
	250	.name = "blue_led",
070276d5	251	.gpio = S3C2410_GPG(6),
865cc639 CW	252	.def_trigger = "",
	253	};
	254
319887ee P	255	/* This is the blue LED on the device. Originaly used to indicate GPS activity
	256	* by flashing. */
	257	static struct s3c24xx_led_platdata n35_blue_led_pdata = {
	258	.name = "blue_led",
	259	.gpio = S3C2410_GPD(8),
	260	.def_trigger = "",
	261	};
	262
865cc639 CW	263	/* This LED is driven by the battery microcontroller, and is blinking
	264	* red, blinking green or solid green when the battery is low,
	265	* charging or full respectively. By driving GPD9 low, it's possible
	266	* to force the LED to blink red, so call that warning LED. */
	267	static struct s3c24xx_led_platdata n30_warning_led_pdata = {
	268	.name = "warning_led",
	269	.flags = S3C24XX_LEDF_ACTLOW,
070276d5	270	.gpio = S3C2410_GPD(9),
865cc639 CW	271	.def_trigger = "",
	272	};
	273
319887ee P	274	static struct s3c24xx_led_platdata n35_warning_led_pdata = {
	275	.name = "warning_led",
	276	.flags = S3C24XX_LEDF_ACTLOW \| S3C24XX_LEDF_TRISTATE,
	277	.gpio = S3C2410_GPD(9),
	278	.def_trigger = "",
	279	};
	280
865cc639 CW	281	static struct platform_device n30_blue_led = {
	282	.name = "s3c24xx_led",
	283	.id = 1,
	284	.dev = {
	285	.platform_data = &n30_blue_led_pdata,
	286	},
	287	};
	288
319887ee P	289	static struct platform_device n35_blue_led = {
	290	.name = "s3c24xx_led",
	291	.id = 1,
	292	.dev = {
	293	.platform_data = &n35_blue_led_pdata,
	294	},
	295	};
	296
865cc639 CW	297	static struct platform_device n30_warning_led = {
	298	.name = "s3c24xx_led",
	299	.id = 2,
	300	.dev = {
	301	.platform_data = &n30_warning_led_pdata,
	302	},
	303	};
	304
319887ee P	305	static struct platform_device n35_warning_led = {
	306	.name = "s3c24xx_led",
	307	.id = 2,
	308	.dev = {
	309	.platform_data = &n35_warning_led_pdata,
	310	},
	311	};
	312
e43f2383	313	static struct s3c2410fb_display n30_display __initdata = {
a6755780 BD	314	.type = S3C2410_LCDCON1_TFT,
	315	.width = 240,
	316	.height = 320,
	317	.pixclock = 170000,
	318
	319	.xres = 240,
	320	.yres = 320,
	321	.bpp = 16,
	322	.left_margin = 3,
	323	.right_margin = 40,
	324	.hsync_len = 40,
	325	.upper_margin = 2,
	326	.lower_margin = 3,
	327	.vsync_len = 2,
e43f2383 CW	328
	329	.lcdcon5 = S3C2410_LCDCON5_INVVLINE \| S3C2410_LCDCON5_INVVFRAME,
	330	};
	331
	332	static struct s3c2410fb_mach_info n30_fb_info __initdata = {
a6755780 BD	333	.displays = &n30_display,
a6755780 BD	334	.num_displays = 1,
e43f2383	335	.default_display = 0,
a6755780	336	.lpcsel = 0x06,
e43f2383 CW	337	};
e43f2383 CW	338
271d3232 P	339	static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
	340	{
	341	switch (power_mode) {
	342	case MMC_POWER_ON:
	343	case MMC_POWER_UP:
8a19ebb0	344	gpio_set_value(S3C2410_GPG(4), 1);
271d3232 P	345	break;
	346	case MMC_POWER_OFF:
	347	default:
8a19ebb0	348	gpio_set_value(S3C2410_GPG(4), 0);
271d3232 P	349	break;
	350	}
	351	}
	352
50cdba78 P	353	static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
	354	.gpio_detect = S3C2410_GPF(1),
	355	.gpio_wprotect = S3C2410_GPG(10),
	356	.ocr_avail = MMC_VDD_32_33,
271d3232	357	.set_power = n30_sdi_set_power,
50cdba78 P	358	};
50cdba78 P	359
1da177e4	360	static struct platform_device *n30_devices[] __initdata = {
1da177e4 LT	361	&s3c_device_lcd,
1da177e4 LT	362	&s3c_device_wdt,
3e1b776c	363	&s3c_device_i2c0,
1da177e4	364	&s3c_device_iis,
b813248c	365	&s3c_device_ohci,
8ecad349	366	&s3c_device_rtc,
1da177e4	367	&s3c_device_usbgadget,
50cdba78	368	&s3c_device_sdi,
62065750	369	&n30_button_device,
865cc639 CW	370	&n30_blue_led,
865cc639 CW	371	&n30_warning_led,
1da177e4 LT	372	};
1da177e4 LT	373
95790873 CW	374	static struct platform_device *n35_devices[] __initdata = {
	375	&s3c_device_lcd,
	376	&s3c_device_wdt,
3e1b776c	377	&s3c_device_i2c0,
95790873	378	&s3c_device_iis,
8ecad349	379	&s3c_device_rtc,
95790873	380	&s3c_device_usbgadget,
50cdba78	381	&s3c_device_sdi,
95790873	382	&n35_button_device,
319887ee P	383	&n35_blue_led,
319887ee P	384	&n35_warning_led,
95790873 CW	385	};
95790873 CW	386
7bcb7eda	387	static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
1da177e4 LT	388	.flags = 0,
1da177e4 LT	389	.slave_addr = 0x10,
c564e6ae	390	.frequency = 10*1000,
1da177e4 LT	391	};
1da177e4 LT	392
9a2ddb78 CW	393	/* Lots of hardcoded stuff, but it sets up the hardware in a useful
	394	* state so that we can boot Linux directly from flash. */
	395	static void __init n30_hwinit(void)
	396	{
	397	/* GPA0-11 special functions -- unknown what they do
	398	* GPA12 N30 special function -- unknown what it does
	399	* N35/PiN output -- unknown what it does
	400	*
	401	* A12 is nGCS1 on the N30 and an output on the N35/PiN. I
	402	* don't think it does anything useful on the N30, so I ought
	403	* to make it an output there too since it always driven to 0
	404	* as far as I can tell. */
	405	if (machine_is_n30())
	406	__raw_writel(0x007fffff, S3C2410_GPACON);
	407	if (machine_is_n35())
	408	__raw_writel(0x007fefff, S3C2410_GPACON);
	409	__raw_writel(0x00000000, S3C2410_GPADAT);
	410
	411	/* GPB0 TOUT0 backlight level
	412	* GPB1 output 1=backlight on
	413	* GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
	414	* GPB3 output USB D+ pull up 0=disabled, 1=enabled
	415	* GPB4 N30 output -- unknown function
	416	* N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
	417	* GPB5 output -- unknown function
	418	* GPB6 input -- unknown function
	419	* GPB7 output -- unknown function
	420	* GPB8 output -- probably LCD driver enable
	421	* GPB9 output -- probably LCD VSYNC driver enable
	422	* GPB10 output -- probably LCD HSYNC driver enable
	423	*/
	424	__raw_writel(0x00154556, S3C2410_GPBCON);
	425	__raw_writel(0x00000750, S3C2410_GPBDAT);
	426	__raw_writel(0x00000073, S3C2410_GPBUP);
	427
	428	/* GPC0 input RS232 DCD/DSR/RI
	429	* GPC1 LCD
	430	* GPC2 output RS232 DTR?
	431	* GPC3 input RS232 DCD/DSR/RI
	432	* GPC4 LCD
	433	* GPC5 output 0=NAND write enabled, 1=NAND write protect
	434	* GPC6 input -- unknown function
	435	* GPC7 input charger status 0=charger connected
	436	* this input can be triggered by power on the USB device
	437	* port too, but will go back to disconnected soon after.
	438	* GPC8 N30/N35 output -- unknown function, always driven to 1
	439	* PiN input -- unknown function, always read as 1
	440	* Make it an input with a pull up for all models.
	441	* GPC9-15 LCD
	442	*/
	443	__raw_writel(0xaaa80618, S3C2410_GPCCON);
	444	__raw_writel(0x0000014c, S3C2410_GPCDAT);
	445	__raw_writel(0x0000fef2, S3C2410_GPCUP);
	446
	447	/* GPD0 input -- unknown function
	448	* GPD1-D7 LCD
	449	* GPD8 N30 output -- unknown function
	450	* N35/PiN output 1=GPS LED on
	451	* GPD9 output 0=power led blinks red, 1=normal power led function
	452	* GPD10 output -- unknown function
	453	* GPD11-15 LCD drivers
	454	*/
	455	__raw_writel(0xaa95aaa4, S3C2410_GPDCON);
	456	__raw_writel(0x00000601, S3C2410_GPDDAT);
457	__raw_writel(0x0000fbfe, S3C2410_GPDUP);
458
459	/* GPE0-4 I2S audio bus
460	* GPE5-10 SD/MMC bus
461	* E11-13 outputs -- unknown function, probably power management
462	* E14-15 I2C bus connected to the battery controller
463	*/
464	__raw_writel(0xa56aaaaa, S3C2410_GPECON);
465	__raw_writel(0x0000efc5, S3C2410_GPEDAT);
466	__raw_writel(0x0000f81f, S3C2410_GPEUP);
467
468	/* GPF0 input 0=power button pressed
469	* GPF1 input SD/MMC switch 0=card present
470	* GPF2 N30 1=reset button pressed (inverted compared to the rest)
471	* N35/PiN 0=reset button pressed
472	* GPF3 N30/PiN input -- unknown function
473	* N35 input GPS antenna position, 0=antenna closed, 1=open
474	* GPF4 input 0=button 4 pressed
475	* GPF5 input 0=button 3 pressed
476	* GPF6 input 0=button 2 pressed
477	* GPF7 input 0=button 1 pressed
478	*/
479	__raw_writel(0x0000aaaa, S3C2410_GPFCON);
480	__raw_writel(0x00000000, S3C2410_GPFDAT);
481	__raw_writel(0x000000ff, S3C2410_GPFUP);
482
483	/* GPG0 input RS232 DCD/DSR/RI
484	* GPG1 input 1=USB gadget port has power from a host
485	* GPG2 N30 input -- unknown function
486	* N35/PiN input 0=headphones plugged in, 1=not plugged in
487	* GPG3 N30 output -- unknown function
488	* N35/PiN input with unknown function
489	* GPG4 N30 output 0=MMC enabled, 1=MMC disabled
490	* GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
491	* N35/PiN input joystick right
492	* GPG6 N30 output 0=blue led on, 1=off
493	* N35/PiN input joystick left
494	* GPG7 input 0=thumbwheel pressed
495	* GPG8 input 0=thumbwheel down
496	* GPG9 input 0=thumbwheel up
497	* GPG10 input SD/MMC write protect switch
498	* GPG11 N30 input -- unknown function
499	* N35 output 0=GPS antenna powered, 1=not powered
500	* PiN output -- unknown function
501	* GPG12-15 touch screen functions
502	*
503	* The pullups differ between the models, so enable all
504	* pullups that are enabled on any of the models.
505	*/
506	if (machine_is_n30())
507	__raw_writel(0xff0a956a, S3C2410_GPGCON);
508	if (machine_is_n35())
509	__raw_writel(0xff4aa92a, S3C2410_GPGCON);
510	__raw_writel(0x0000e800, S3C2410_GPGDAT);
511	__raw_writel(0x0000f86f, S3C2410_GPGUP);
512
513	/* GPH0/1/2/3 RS232 serial port
514	* GPH4/5 IrDA serial port
515	* GPH6/7 N30 BlueTooth serial port
516	* N35/PiN GPS receiver
517	* GPH8 input -- unknown function
518	* GPH9 CLKOUT0 HCLK -- unknown use
519	* GPH10 CLKOUT1 FCLK -- unknown use
520	*
521	* The pull ups for H6/H7 are enabled on N30 but not on the
522	* N35/PiN. I suppose is useful for a budget model of the N30
523	* with no bluetooh. It doesn't hurt to have the pull ups
524	* enabled on the N35, so leave them enabled for all models.
525	*/
526	__raw_writel(0x0028aaaa, S3C2410_GPHCON);
527	__raw_writel(0x000005ef, S3C2410_GPHDAT);
528	__raw_writel(0x0000063f, S3C2410_GPHUP);
529	}
530
5fe10ab1	531	static void __init n30_map_io(void)
1da177e4 LT	532	{
1da177e4 LT	533	s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
9a2ddb78	534	n30_hwinit();
1da177e4 LT	535	s3c24xx_init_clocks(0);
1da177e4 LT	536	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
1da177e4 LT	537	}
1da177e4 LT	538
027da01d	539	/* GPB3 is the line that controls the pull-up for the USB D+ line */
1da177e4	540
5fe10ab1	541	static void __init n30_init(void)
1da177e4	542	{
8a19ebb0 BD	543	WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));
8a19ebb0 BD	544
e43f2383	545	s3c24xx_fb_set_platdata(&n30_fb_info);
d088e5fe	546	s3c24xx_udc_set_platdata(&n30_udc_cfg);
50cdba78	547	s3c24xx_mci_set_platdata(&n30_mci_cfg);
7bcb7eda	548	s3c_i2c0_set_platdata(&n30_i2ccfg);
1da177e4	549
027da01d BD	550	/* Turn off suspend on both USB ports, and switch the
	551	* selectable USB port to USB device mode. */
	552
	553	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	554	S3C2410_MISCCR_USBSUSPND0 \|
	555	S3C2410_MISCCR_USBSUSPND1, 0x0);
57e5171c	556
95790873 CW	557	if (machine_is_n30()) {
	558	/* Turn off suspend on both USB ports, and switch the
	559	* selectable USB port to USB device mode. */
	560	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	561	S3C2410_MISCCR_USBSUSPND0 \|
	562	S3C2410_MISCCR_USBSUSPND1, 0x0);
	563
	564	platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
	565	}
	566
	567	if (machine_is_n35()) {
	568	/* Turn off suspend and switch the selectable USB port
	569	* to USB device mode. Turn on suspend for the host
	570	* port since it is not connected on the N35.
	571	*
	572	* Actually, the host port is available at some pads
	573	* on the back of the device, so it would actually be
	574	* possible to add a USB device inside the N35 if you
	575	* are willing to do some hardware modifications. */
	576	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST \|
	577	S3C2410_MISCCR_USBSUSPND0 \|
	578	S3C2410_MISCCR_USBSUSPND1,
be7c4cf6	579	S3C2410_MISCCR_USBSUSPND0);
95790873 CW	580
	581	platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
	582	}
1da177e4 LT	583	}
	584
	585	MACHINE_START(N30, "Acer-N30")
027da01d BD	586	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
	587	Ben Dooks <ben-linux@fluff.org>
	588	*/
e9dea0c6	589	.boot_params = S3C2410_SDRAM_PA + 0x100,
1da177e4 LT	590	.timer = &s3c24xx_timer,
1da177e4 LT	591	.init_machine = n30_init,
0c3767b1	592	.init_irq = s3c24xx_init_irq,
1da177e4 LT	593	.map_io = n30_map_io,
1da177e4 LT	594	MACHINE_END
95790873 CW	595
	596	MACHINE_START(N35, "Acer-N35")
	597	/* Maintainer: Christer Weinigel <christer@weinigel.se>
	598	*/
95790873 CW	599	.boot_params = S3C2410_SDRAM_PA + 0x100,
	600	.timer = &s3c24xx_timer,
	601	.init_machine = n30_init,
0c3767b1	602	.init_irq = s3c24xx_init_irq,
95790873 CW	603	.map_io = n30_map_io,
95790873 CW	604	MACHINE_END