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Commit 438a5d42 authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] SMDK6410: Add LCD (LCD48WVGA) definitions 



Add support for the LCD 48WVGA module attached to the
SMDK6410.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent c7a0401e

arch/arm/mach-s3c6410/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -25,8 +25,10 @@ config MACH_SMDK6410 
	select S3C_DEV_HSMMC

	select S3C_DEV_HSMMC1

	select S3C_DEV_I2C1

	select S3C_DEV_FB

	select S3C6410_SETUP_SDHCI

	select S3C64XX_SETUP_I2C1

	select S3C64XX_SETUP_FB_24BPP

	help

	  Machine support for the Samsung SMDK6410

arch/arm/mach-s3c6410/mach-smdk6410.c

+71 −0
Original line number Diff line number Diff line
@@ -21,12 +21,18 @@ 
#include <linux/platform_device.h>

#include <linux/io.h>

#include <linux/i2c.h>

#include <linux/fb.h>

#include <linux/gpio.h>

#include <linux/delay.h>



#include <video/platform_lcd.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>



#include <mach/hardware.h>

#include <mach/regs-fb.h>

#include <mach/map.h>



#include <asm/irq.h>
@@ -34,6 +40,7 @@ 


#include <plat/regs-serial.h>

#include <plat/iic.h>

#include <plat/fb.h>



#include <plat/s3c6410.h>

#include <plat/clock.h>
@@ -61,6 +68,67 @@ static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { 
	},

};



/* framebuffer and LCD setup. */



/* GPF15 = LCD backlight control

 * GPF13 => Panel power

 * GPN5 = LCD nRESET signal

 * PWM_TOUT1 => backlight brightness

 */



static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,

				   unsigned int power)

{

	if (power) {

		gpio_direction_output(S3C64XX_GPF(13), 1);

		gpio_direction_output(S3C64XX_GPF(15), 1);



		/* fire nRESET on power up */

		gpio_direction_output(S3C64XX_GPN(5), 0);

		msleep(10);

		gpio_direction_output(S3C64XX_GPN(5), 1);

		msleep(1);

	} else {

		gpio_direction_output(S3C64XX_GPF(15), 0);

		gpio_direction_output(S3C64XX_GPF(13), 0);

	}

}



static struct plat_lcd_data smdk6410_lcd_power_data = {

	.set_power	= smdk6410_lcd_power_set,

};



static struct platform_device smdk6410_lcd_powerdev = {

	.name			= "platform-lcd",

	.dev.parent		= &s3c_device_fb.dev,

	.dev.platform_data	= &smdk6410_lcd_power_data,

};



static struct s3c_fb_pd_win smdk6410_fb_win0 = {

	/* this is to ensure we use win0 */

	.win_mode	= {

		.pixclock	= 41094,

		.left_margin	= 8,

		.right_margin	= 13,

		.upper_margin	= 7,

		.lower_margin	= 5,

		.hsync_len	= 3,

		.vsync_len	= 1,

		.xres		= 800,

		.yres		= 480,

	},

	.max_bpp	= 32,

	.default_bpp	= 16,

};



/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */

static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {

	.setup_gpio	= s3c64xx_fb_gpio_setup_24bpp,

	.win[0]		= &smdk6410_fb_win0,

	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,

	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,

};



struct map_desc smdk6410_iodesc[] = {};



static struct platform_device *smdk6410_devices[] __initdata = {
@@ -72,6 +140,8 @@ static struct platform_device *smdk6410_devices[] __initdata = { 
#endif

	&s3c_device_i2c0,

	&s3c_device_i2c1,

	&s3c_device_fb,

	&smdk6410_lcd_powerdev,

};



static struct i2c_board_info i2c_devs0[] __initdata = {
@@ -96,6 +166,7 @@ static void __init smdk6410_machine_init(void) 
{

	s3c_i2c0_set_platdata(NULL);

	s3c_i2c1_set_platdata(NULL);

	s3c_fb_set_platdata(&smdk6410_lcd_pdata);



	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));

	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));