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[ARM] SMDK6410: Add LCD (LCD48WVGA) definitions

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

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-11-19 15:41:34 +00:00
parent c7a0401e61
commit 438a5d42e0
2 changed files with 73 additions and 0 deletions
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2
arch/arm/mach-s3c6410/Kconfig
View File

@ -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

71
arch/arm/mach-s3c6410/mach-smdk6410.c
View File

@ -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));