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/*
* linux/arch/arm/mach-s3c64xx/mach-smartq7.c
*
* Copyright (C) 2010 Maurus Cuelenaere
*
* 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/fb.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/i2c-gpio.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/map.h>
#include <mach/regs-fb.h>
#include <mach/regs-gpio.h>
#include <mach/s3c6410.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
#include "mach-smartq.h"
static void __init smartq7_lcd_setup_gpio(void)
{
gpio_request(S3C64XX_GPM(0), "LCD CSB pin");
gpio_request(S3C64XX_GPM(3), "LCD power");
gpio_request(S3C64XX_GPM(4), "LCD power status");
/* turn power off */
gpio_direction_output(S3C64XX_GPM(0), 1);
gpio_direction_output(S3C64XX_GPM(3), 0);
gpio_direction_input(S3C64XX_GPM(4));
}
static struct i2c_gpio_platform_data smartq7_lcd_control = {
.sda_pin = S3C64XX_GPM(2),
.scl_pin = S3C64XX_GPM(1),
.sda_is_open_drain = 1,
.scl_is_open_drain = 1,
};
static struct platform_device smartq7_lcd_control_device = {
.name = "i2c-gpio",
.id = 1,
.dev.platform_data = &smartq7_lcd_control,
};
static struct gpio_led smartq7_leds[] __initdata = {
{
.name = "smartq7:red",
.active_low = 1,
.gpio = S3C64XX_GPN(8),
},
{
.name = "smartq7:green",
.active_low = 1,
.gpio = S3C64XX_GPN(9),
},
};
static struct gpio_led_platform_data smartq7_led_data = {
.num_leds = ARRAY_SIZE(smartq7_leds),
.leds = smartq7_leds,
};
static struct platform_device smartq7_leds_device = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &smartq7_led_data,
};
/* Labels according to the SmartQ manual */
static struct gpio_keys_button smartq7_buttons[] = {
{
.gpio = S3C64XX_GPL(14),
.code = KEY_POWER,
.desc = "Power",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
{
.gpio = S3C64XX_GPN(2),
.code = KEY_FN,
.desc = "Function",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
{
.gpio = S3C64XX_GPN(3),
.code = KEY_KPMINUS,
.desc = "Minus",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
{
.gpio = S3C64XX_GPN(4),
.code = KEY_KPPLUS,
.desc = "Plus",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
{
.gpio = S3C64XX_GPN(12),
.code = KEY_ENTER,
.desc = "Enter",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
{
.gpio = S3C64XX_GPN(15),
.code = KEY_ESC,
.desc = "Cancel",
.active_low = 1,
.debounce_interval = 5,
.type = EV_KEY,
},
};
static struct gpio_keys_platform_data smartq7_buttons_data = {
.buttons = smartq7_buttons,
.nbuttons = ARRAY_SIZE(smartq7_buttons),
};
static struct platform_device smartq7_buttons_device = {
.name = "gpio-keys",
.id = 0,
.num_resources = 0,
.dev = {
.platform_data = &smartq7_buttons_data,
}
};
static struct s3c_fb_pd_win smartq7_fb_win0 = {
.win_mode = {
.pixclock = 1000000000000ULL /
((3+10+5+800)*(1+3+20+480)*80),
.left_margin = 3,
.right_margin = 5,
.upper_margin = 1,
.lower_margin = 20,
.hsync_len = 10,
.vsync_len = 3,
.xres = 800,
.yres = 480,
},
.max_bpp = 32,
.default_bpp = 16,
};
static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
.win[0] = &smartq7_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
VIDCON1_INV_VCLK,
};
static struct platform_device *smartq7_devices[] __initdata = {
&smartq7_leds_device,
&smartq7_buttons_device,
&smartq7_lcd_control_device,
};
static void __init smartq7_machine_init(void)
{
s3c_fb_set_platdata(&smartq7_lcd_pdata);
smartq_machine_init();
smartq7_lcd_setup_gpio();
platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
}
MACHINE_START(SMARTQ7, "SmartQ 7")
/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
.phys_io = S3C_PA_UART & 0xfff00000,
.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C64XX_PA_SDRAM + 0x100,
.init_irq = s3c6410_init_irq,
.map_io = smartq_map_io,
.init_machine = smartq7_machine_init,
.timer = &s3c24xx_timer,
MACHINE_END