1 files changed, 131 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos/midas-lcd.c b/arch/arm/mach-exynos/midas-lcd.c
index f28c196..abbc51e 100644
--- a/arch/arm/mach-exynos/midas-lcd.c
+++ b/arch/arm/mach-exynos/midas-lcd.c
@@ -44,11 +44,16 @@
 #include <linux/mdnie.h>
 #endif
 
+#ifdef CONFIG_BACKLIGHT_LP855X
+#include <linux/platform_data/lp855x.h>
+#endif
+
 struct s3c_platform_fb fb_platform_data;
 unsigned int lcdtype;
 static int __init lcdtype_setup(char *str)
 {
 	get_option(&str, &lcdtype);
+
 	return 1;
 }
 __setup("lcdtype=", lcdtype_setup);
@@ -798,6 +803,49 @@ static struct s3cfb_lcd lms501xx = {
 	},
 };
 #endif
+
+#ifdef CONFIG_FB_S5P_NT71391
+/* for Geminus based on MIPI-DSI interface */
+static struct s3cfb_lcd nt71391 = {
+	.name = "nt71391",
+	.width = 1280,
+	.height = 800,
+	.p_width = 172,
+	.p_height = 108,
+	.bpp = 24,
+	.freq = 60,
+
+	/* minumun value is 0 except for wr_act time. */
+	.cpu_timing = {
+		.cs_setup = 0,
+		.wr_setup = 0,
+		.wr_act = 1,
+		.wr_hold = 0,
+	},
+
+	.timing = {
+		.h_fp = 25,
+		.h_bp = 25,
+		.h_sw = 41,
+		.v_fp = 8, /* spec = 3 */
+		.v_fpe = 1,
+		.v_bp = 3,
+		.v_bpe = 1,
+		.v_sw = 6,
+		/* v_fp=stable_vfp + cmd_allow_len + mask_len*/
+		.cmd_allow_len = 7,
+		.stable_vfp = 1,
+	},
+
+	.polarity = {
+		.rise_vclk = 1,
+		.inv_hsync = 0,
+		.inv_vsync = 0,
+		.inv_vden = 0,
+	},
+};
+#endif
+
 static int reset_lcd(void)
 {
 #if defined(GPIO_MLCD_RST)
@@ -896,6 +944,69 @@ out:
 return 0;
 
 }
+#elif defined(CONFIG_FB_S5P_NT71391)
+static int lcd_power_on(void *ld, int enable)
+{
+	int err;
+
+	printk(KERN_INFO "NT71391 %s : enable=%d\n", __func__, enable);
+
+	err = gpio_request(GPIO_LCD_EN, "LCD_EN");
+	if (err) {
+		printk(KERN_ERR "failed to request LCD_EN control\n");
+		return -EPERM;
+	}
+
+	if (enable)
+		gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_HIGH);
+	else
+		gpio_set_value(GPIO_LCD_EN, GPIO_LEVEL_LOW);
+
+	gpio_free(GPIO_LCD_EN);
+
+	return 0;
+}
+
+#ifdef CONFIG_BACKLIGHT_LP855X
+#define EPROM_CFG5_ADDR	0xA5
+#define EPROM_A5_VAL	0xA0 /* PWM_DIRECT(7)=1, PS_MODE(6:4)=4drivers*/
+#define EPROM_A5_MASK	0x0F /* PWM_FREQ(3:0) : mask */
+
+static struct lp855x_rom_data lp8556_eprom_arr[] = {
+	{EPROM_CFG5_ADDR, EPROM_A5_VAL, EPROM_A5_MASK},
+};
+
+static struct lp855x_platform_data lp8856_bl_pdata = {
+	.mode		= PWM_BASED,
+	.device_control	= PWM_CONFIG(LP8556),
+	.load_new_rom_data = 1,
+	.size_program	= ARRAY_SIZE(lp8556_eprom_arr),
+	.rom_data	= lp8556_eprom_arr,
+	.use_gpio_en	= 1,
+	.gpio_en	= GPIO_LED_BACKLIGHT_RESET,
+	.power_on_udelay = 1000,
+};
+
+static struct i2c_board_info i2c_devs24_emul[] __initdata = {
+	{
+		I2C_BOARD_INFO("lp8556", (0x58 >> 1)),
+		.platform_data	= &lp8856_bl_pdata,
+	},
+};
+static int lcd_bl_init(void)
+{
+	i2c_register_board_info(24, i2c_devs24_emul,
+				ARRAY_SIZE(i2c_devs24_emul));
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_FB_S5P_MDNIE
+static struct lcd_platform_data nt71391_platform_data = {
+};
+#endif
+
 #else
 static int lcd_power_on(void *ld, int enable)
 {
@@ -1068,6 +1179,10 @@ void __init mipi_fb_init(void)
 #if defined(CONFIG_FB_S5P_S6D6AA1)
 	dsim_lcd_info->lcd_panel_info = (void *)&s6d6aa1;
 #endif
+	
+#if defined(CONFIG_FB_S5P_NT71391)
+	dsim_lcd_info->lcd_panel_info = (void *)&nt71391;
+#endif
 
 #if defined(CONFIG_MACH_T0) && defined(CONFIG_FB_S5P_S6EVR02) && defined(GPIO_OLED_ID)
 	if (!gpio_get_value(GPIO_OLED_ID)) {	/* for EA8061 DDI */
@@ -1090,6 +1205,11 @@ void __init mipi_fb_init(void)
 	dsim_pd->dsim_info->p = 3;
 	dsim_pd->dsim_info->m = 110;
 	dsim_pd->dsim_info->s = 1;
+#elif defined(CONFIG_FB_S5P_NT71391)
+	/* 230Mbps */
+	dsim_pd->dsim_info->p = 3;
+	dsim_pd->dsim_info->m = 115;
+	dsim_pd->dsim_info->s = 1;
 #else
 	/* 500Mbps */
 	dsim_pd->dsim_info->p = 3;
@@ -1105,6 +1225,11 @@ void __init mipi_fb_init(void)
 	platform_device_register(&s5p_device_dsim);
 
 	/*s3cfb_set_platdata(&fb_platform_data);*/
+	
+#if defined(CONFIG_FB_S5P_NT71391)
+	lcd_bl_init();
+#endif
+
 }
 #endif
 
@@ -1145,6 +1270,9 @@ struct s3c_platform_fb fb_platform_data __initdata = {
 #if defined(CONFIG_FB_S5P_LMS501XX)
 	.lcd		= &lms501xx
 #endif
+#if defined(CONFIG_FB_S5P_NT71391)
+	.lcd		= &nt71391
+#endif
 };
 #endif
 
@@ -1154,6 +1282,9 @@ static struct platform_mdnie_data mdnie_data = {
 #if defined(CONFIG_FB_S5P_S6C1372)
 	.lcd_pd		= &s6c1372_platform_data,
 #endif
+#if defined(CONFIG_FB_S5P_NT71391)
+	.lcd_pd		= &nt71391_platform_data,
+#endif
 };
 #endif