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Diffstat (limited to 'arch/arm/mach-s5p64x0/mach-smdk6440.c')
-rw-r--r--arch/arm/mach-s5p64x0/mach-smdk6440.c116
1 files changed, 78 insertions, 38 deletions
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c
index 2d559f1..4a1250c 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6440.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c
@@ -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>
@@ -46,6 +49,9 @@
#include <plat/adc.h>
#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 | \
@@ -91,43 +97,57 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
},
};
-static int smdk6440_backlight_init(struct device *dev)
-{
- int ret;
-
- ret = gpio_request(S5P6440_GPF(15), "Backlight");
- if (ret) {
- printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
- return ret;
- }
-
- /* Configure GPIO pin with S5P6440_GPF15_PWM_TOUT1 */
- s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_SFN(2));
+/* 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,
+};
- return 0;
-}
+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,
+};
-static void smdk6440_backlight_exit(struct device *dev)
+/* LCD power controller */
+static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
+ unsigned int power)
{
- s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_OUTPUT);
- gpio_free(S5P6440_GPF(15));
+ 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 platform_pwm_backlight_data smdk6440_backlight_data = {
- .pwm_id = 1,
- .max_brightness = 255,
- .dft_brightness = 255,
- .pwm_period_ns = 78770,
- .init = smdk6440_backlight_init,
- .exit = smdk6440_backlight_exit,
+static struct plat_lcd_data smdk6440_lcd_power_data = {
+ .set_power = smdk6440_lte480_reset_power,
};
-static struct platform_device smdk6440_backlight_device = {
- .name = "pwm-backlight",
- .dev = {
- .parent = &s3c_device_timer[1].dev,
- .platform_data = &smdk6440_backlight_data,
- },
+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 = {
@@ -139,8 +159,8 @@ static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6440_device_iis,
- &s3c_device_timer[1],
- &smdk6440_backlight_device,
+ &s3c_device_fb,
+ &smdk6440_lcd_lte480wv,
};
static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
@@ -169,10 +189,14 @@ static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
/* To be populated */
};
-static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
- .delay = 10000,
- .presc = 49,
- .oversampling_shift = 2,
+/* LCD Backlight data */
+static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
+ .no = S5P6440_GPF(15),
+ .func = S3C_GPIO_SFN(2),
+};
+
+static struct platform_pwm_backlight_data smdk6440_bl_data = {
+ .pwm_id = 1,
};
static void __init smdk6440_map_io(void)
@@ -183,9 +207,20 @@ 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);
+ s3c24xx_ts_set_platdata(NULL);
s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
@@ -194,12 +229,17 @@ static void __init smdk6440_machine_init(void)
i2c_register_board_info(1, smdk6440_i2c_devs1,
ARRAY_SIZE(smdk6440_i2c_devs1));
+ 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));
}
MACHINE_START(SMDK6440, "SMDK6440")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
- .boot_params = S5P64X0_PA_SDRAM + 0x100,
+ .atag_offset = 0x100,
.init_irq = s5p6440_init_irq,
.map_io = smdk6440_map_io,