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Commit 96d78686 authored by Banajit Goswami's avatar Banajit Goswami Committed by Kukjin Kim
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ARM: S3C64XX: Add PWM backlight support on SMDK6410 



This patch adds support for LCD backlight using PWM timer for
Samsung SMDK6410 board.

Signed-off-by: default avatarBanajit Goswami <banajit.g@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 543601f5

arch/arm/mach-s3c64xx/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -142,6 +142,7 @@ config MACH_SMDK6410 
	select S3C_DEV_USB_HOST

	select S3C_DEV_USB_HSOTG

	select S3C_DEV_WDT

	select SAMSUNG_DEV_BACKLIGHT

	select SAMSUNG_DEV_KEYPAD

	select SAMSUNG_DEV_PWM

	select HAVE_S3C2410_WATCHDOG if WATCHDOG

arch/arm/mach-s3c64xx/mach-smdk6410.c

+13 −2
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ 
#include <plat/adc.h>

#include <plat/ts.h>

#include <plat/keypad.h>

#include <plat/backlight.h>



#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK

#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
@@ -329,8 +330,6 @@ static struct platform_device *smdk6410_devices[] __initdata = { 
	&s3c_device_rtc,

	&s3c_device_ts,

	&s3c_device_wdt,

	&s3c_device_timer[1],

	&smdk6410_backlight_device,

};



#ifdef CONFIG_REGULATOR
@@ -665,6 +664,16 @@ static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = { 
	.oversampling_shift	= 2,

};



/* LCD Backlight data */

static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {

	.no = S3C64XX_GPF(15),

	.func = S3C_GPIO_SFN(2),

};



static struct platform_pwm_backlight_data smdk6410_bl_data = {

	.pwm_id = 1,

};



static void __init smdk6410_map_io(void)

{

	u32 tmp;
@@ -726,6 +735,8 @@ static void __init smdk6410_machine_init(void) 


	s3c_ide_set_platdata(&smdk6410_ide_pdata);



	samsung_bl_set(&smdk6410_bl_gpio_info, &smdk6410_bl_data);



	platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));

}