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ARM: S5P6440: Add LCD-LTE480 and enable Framebuffer support 

This patch:
	-- Adds platform device support for LCD-LTE480.
	-- Adds platform data for FB with win_mode and default_bpp.
	-- Enables FB device support and platform-lcd support.
	-- Adds SPCON settings for LCD.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Ajay Kumar 2011-09-27 07:51:22 +09:00 committed by Kukjin Kim
parent c9f357ef9d
commit 1030e5c562
3 changed files with 80 additions and 0 deletions
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2
arch/arm/mach-s5p64x0/Kconfig
View File

@ -37,6 +37,7 @@ config S5P64X0_SETUP_I2C1
config MACH_SMDK6440
bool "SMDK6440"
select CPU_S5P6440
select S3C_DEV_FB
select S3C_DEV_I2C1
select S3C_DEV_RTC
select S3C_DEV_WDT
@ -45,6 +46,7 @@ config MACH_SMDK6440
select SAMSUNG_DEV_BACKLIGHT
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5P64X0_SETUP_FB_24BPP
select S5P64X0_SETUP_I2C1
help
Machine support for the Samsung SMDK6440

4
arch/arm/mach-s5p64x0/include/mach/regs-gpio.h
View File

@ -34,6 +34,10 @@
#define S5P6450_GPQ_BASE (S5P_VA_GPIO + 0x0180)
#define S5P6450_GPS_BASE (S5P_VA_GPIO + 0x0300)
#define S5P64X0_SPCON0 (S5P_VA_GPIO + 0x1A0)
#define S5P64X0_SPCON0_LCD_SEL_MASK (0x3 << 0)
#define S5P64X0_SPCON0_LCD_SEL_RGB (0x1 << 0)
/* External interrupt control registers for group0 */
#define EINT0CON0_OFFSET (0x900)

74
arch/arm/mach-s5p64x0/mach-smdk6440.c
View File

@ -23,6 +23,9 @@
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/pwm_backlight.h>
#include <linux/fb.h>
#include <video/platform_lcd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -47,6 +50,8 @@
#include <plat/ts.h>
#include <plat/s5p-time.h>
#include <plat/backlight.h>
#include <plat/fb.h>
#include <plat/regs-fb.h>
#define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
@ -92,6 +97,59 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
},
};
/* Frame Buffer */
static struct s3c_fb_pd_win smdk6440_fb_win0 = {
.win_mode = {
.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 = 24,
};
static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
.win[0] = &smdk6440_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
.setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
};
/* LCD power controller */
static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
unsigned int power)
{
int err;
if (power) {
err = gpio_request(S5P6440_GPN(5), "GPN");
if (err) {
printk(KERN_ERR "failed to request GPN for lcd reset\n");
return;
}
gpio_direction_output(S5P6440_GPN(5), 1);
gpio_set_value(S5P6440_GPN(5), 0);
gpio_set_value(S5P6440_GPN(5), 1);
gpio_free(S5P6440_GPN(5));
}
}
static struct plat_lcd_data smdk6440_lcd_power_data = {
.set_power = smdk6440_lte480_reset_power,
};
static struct platform_device smdk6440_lcd_lte480wv = {
.name = "platform-lcd",
.dev.parent = &s3c_device_fb.dev,
.dev.platform_data = &smdk6440_lcd_power_data,
};
static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_rtc,
@ -101,6 +159,8 @@ static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6440_device_iis,
&s3c_device_fb,
&smdk6440_lcd_lte480wv,
};
static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
@ -153,6 +213,17 @@ static void __init smdk6440_map_io(void)
s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
}
static void s5p6440_set_lcd_interface(void)
{
unsigned int cfg;
/* select TFT LCD type (RGB I/F) */
cfg = __raw_readl(S5P64X0_SPCON0);
cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
__raw_writel(cfg, S5P64X0_SPCON0);
}
static void __init smdk6440_machine_init(void)
{
s3c24xx_ts_set_platdata(&s3c_ts_platform);
@ -166,6 +237,9 @@ static void __init smdk6440_machine_init(void)
samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
s5p6440_set_lcd_interface();
s3c_fb_set_platdata(&smdk6440_lcd_pdata);
platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
}