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/* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
*
* Copyright ( c ) 2010 Samsung Electronics Co . , Ltd .
* http : //www.samsung.com
*
* 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/interrupt.h>
# include <linux/list.h>
# include <linux/timer.h>
# include <linux/delay.h>
# include <linux/init.h>
# include <linux/i2c.h>
# include <linux/serial_core.h>
# include <linux/platform_device.h>
# include <linux/io.h>
# include <linux/module.h>
# include <linux/clk.h>
# include <linux/gpio.h>
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# include <linux/pwm_backlight.h>
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# include <asm/mach/arch.h>
# include <asm/mach/map.h>
# include <asm/irq.h>
# include <asm/mach-types.h>
# include <mach/hardware.h>
# include <mach/map.h>
# include <mach/regs-clock.h>
# include <mach/i2c.h>
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# include <mach/regs-gpio.h>
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# include <plat/regs-serial.h>
# include <plat/gpio-cfg.h>
# include <plat/s5p6450.h>
# include <plat/clock.h>
# include <plat/devs.h>
# include <plat/cpu.h>
# include <plat/iic.h>
# include <plat/pll.h>
# include <plat/adc.h>
# include <plat/ts.h>
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# include <plat/s5p-time.h>
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# define SMDK6450_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN )
# define SMDK6450_ULCON_DEFAULT S3C2410_LCON_CS8
# define SMDK6450_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S3C2440_UFCON_TXTRIG16 | \
S3C2410_UFCON_RXTRIG8 )
static struct s3c2410_uartcfg smdk6450_uartcfgs [ ] __initdata = {
[ 0 ] = {
. hwport = 0 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
[ 1 ] = {
. hwport = 1 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
[ 2 ] = {
. hwport = 2 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
[ 3 ] = {
. hwport = 3 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
# if CONFIG_SERIAL_SAMSUNG_UARTS > 4
[ 4 ] = {
. hwport = 4 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
# endif
# if CONFIG_SERIAL_SAMSUNG_UARTS > 5
[ 5 ] = {
. hwport = 5 ,
. flags = 0 ,
. ucon = SMDK6450_UCON_DEFAULT ,
. ulcon = SMDK6450_ULCON_DEFAULT ,
. ufcon = SMDK6450_UFCON_DEFAULT ,
} ,
# endif
} ;
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static int smdk6450_backlight_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( S5P6450_GPF ( 15 ) , " Backlight " ) ;
if ( ret ) {
printk ( KERN_ERR " failed to request GPF for PWM-OUT1 \n " ) ;
return ret ;
}
/* Configure GPIO pin with S5P6450_GPF15_PWM_TOUT1 */
s3c_gpio_cfgpin ( S5P6450_GPF ( 15 ) , S3C_GPIO_SFN ( 2 ) ) ;
return 0 ;
}
static void smdk6450_backlight_exit ( struct device * dev )
{
s3c_gpio_cfgpin ( S5P6450_GPF ( 15 ) , S3C_GPIO_OUTPUT ) ;
gpio_free ( S5P6450_GPF ( 15 ) ) ;
}
static struct platform_pwm_backlight_data smdk6450_backlight_data = {
. pwm_id = 1 ,
. max_brightness = 255 ,
. dft_brightness = 255 ,
. pwm_period_ns = 78770 ,
. init = smdk6450_backlight_init ,
. exit = smdk6450_backlight_exit ,
} ;
static struct platform_device smdk6450_backlight_device = {
. name = " pwm-backlight " ,
. dev = {
. parent = & s3c_device_timer [ 1 ] . dev ,
. platform_data = & smdk6450_backlight_data ,
} ,
} ;
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static struct platform_device * smdk6450_devices [ ] __initdata = {
& s3c_device_adc ,
& s3c_device_rtc ,
& s3c_device_i2c0 ,
& s3c_device_i2c1 ,
& s3c_device_ts ,
& s3c_device_wdt ,
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& samsung_asoc_dma ,
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& s5p6450_device_iis0 ,
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& s3c_device_timer [ 1 ] ,
& smdk6450_backlight_device ,
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/* s5p6450_device_spi0 will be added */
} ;
static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
. flags = 0 ,
. slave_addr = 0x10 ,
. frequency = 100 * 1000 ,
. sda_delay = 100 ,
. cfg_gpio = s5p6450_i2c0_cfg_gpio ,
} ;
static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
. flags = 0 ,
. bus_num = 1 ,
. slave_addr = 0x10 ,
. frequency = 100 * 1000 ,
. sda_delay = 100 ,
. cfg_gpio = s5p6450_i2c1_cfg_gpio ,
} ;
static struct i2c_board_info smdk6450_i2c_devs0 [ ] __initdata = {
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{ I2C_BOARD_INFO ( " wm8580 " , 0x1b ) , } ,
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{ I2C_BOARD_INFO ( " 24c08 " , 0x50 ) , } , /* Samsung KS24C080C EEPROM */
} ;
static struct i2c_board_info smdk6450_i2c_devs1 [ ] __initdata = {
{ I2C_BOARD_INFO ( " 24c128 " , 0x57 ) , } , /* Samsung S524AD0XD1 EEPROM */
} ;
static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
. delay = 10000 ,
. presc = 49 ,
. oversampling_shift = 2 ,
} ;
static void __init smdk6450_map_io ( void )
{
s5p_init_io ( NULL , 0 , S5P64X0_SYS_ID ) ;
s3c24xx_init_clocks ( 19200000 ) ;
s3c24xx_init_uarts ( smdk6450_uartcfgs , ARRAY_SIZE ( smdk6450_uartcfgs ) ) ;
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s5p_set_timer_source ( S5P_PWM3 , S5P_PWM4 ) ;
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}
static void __init smdk6450_machine_init ( void )
{
s3c24xx_ts_set_platdata ( & s3c_ts_platform ) ;
s3c_i2c0_set_platdata ( & s5p6450_i2c0_data ) ;
s3c_i2c1_set_platdata ( & s5p6450_i2c1_data ) ;
i2c_register_board_info ( 0 , smdk6450_i2c_devs0 ,
ARRAY_SIZE ( smdk6450_i2c_devs0 ) ) ;
i2c_register_board_info ( 1 , smdk6450_i2c_devs1 ,
ARRAY_SIZE ( smdk6450_i2c_devs1 ) ) ;
platform_add_devices ( smdk6450_devices , ARRAY_SIZE ( smdk6450_devices ) ) ;
}
MACHINE_START ( SMDK6450 , " SMDK6450 " )
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
. boot_params = S5P64X0_PA_SDRAM + 0x100 ,
. init_irq = s5p6450_init_irq ,
. map_io = smdk6450_map_io ,
. init_machine = smdk6450_machine_init ,
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. timer = & s5p_timer ,
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MACHINE_END