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@xxxxxxxxxxx>
---
arch/arm/mach-s5p64x0/Kconfig | 2 +
arch/arm/mach-s5p64x0/mach-smdk6450.c | 75 +++++++++++++++++++++++++++++++++
2 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig
index 3adc4b8..ecb4e44 100644
--- a/arch/arm/mach-s5p64x0/Kconfig
+++ b/arch/arm/mach-s5p64x0/Kconfig
@@ -54,6 +54,7 @@ config MACH_SMDK6440
config MACH_SMDK6450
bool "SMDK6450"
select CPU_S5P6450
+ select S3C_DEV_FB
select S3C_DEV_I2C1
select S3C_DEV_RTC
select S3C_DEV_WDT
@@ -62,6 +63,7 @@ config MACH_SMDK6450
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 SMDK6450
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c
index ee0da14..2a69caa 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6450.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>
@@ -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 SMDK6450_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
@@ -110,6 +115,59 @@ static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
#endif
};
+/* Frame Buffer */
+static struct s3c_fb_pd_win smdk6450_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 smdk6450_lcd_pdata __initdata = {
+ .win[0] = &smdk6450_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 smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
+ unsigned int power)
+{
+ int err;
+
+ if (power) {
+ err = gpio_request(S5P6450_GPN(5), "GPN");
+ if (err) {
+ printk(KERN_ERR "failed to request GPN for lcd reset\n");
+ return;
+ }
+
+ gpio_direction_output(S5P6450_GPN(5), 1);
+ gpio_set_value(S5P6450_GPN(5), 0);
+ gpio_set_value(S5P6450_GPN(5), 1);
+ gpio_free(S5P6450_GPN(5));
+ }
+}
+
+static struct plat_lcd_data smdk6450_lcd_power_data = {
+ .set_power = smdk6450_lte480_reset_power,
+};
+
+static struct platform_device smdk6450_lcd_lte480wv = {
+ .name = "platform-lcd",
+ .dev.parent = &s3c_device_fb.dev,
+ .dev.platform_data = &smdk6450_lcd_power_data,
+};
+
static struct platform_device *smdk6450_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_rtc,
@@ -119,6 +177,9 @@ static struct platform_device *smdk6450_devices[] __initdata = {
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6450_device_iis0,
+ &s3c_device_fb,
+ &smdk6450_lcd_lte480wv,
+
/* s5p6450_device_spi0 will be added */
};
@@ -166,6 +227,17 @@ static void __init smdk6450_map_io(void)
s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
}
+static void s5p6450_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 smdk6450_machine_init(void)
{
s3c24xx_ts_set_platdata(NULL);
@@ -179,6 +251,9 @@ static void __init smdk6450_machine_init(void)
samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
+ s5p6450_set_lcd_interface();
+ s3c_fb_set_platdata(&smdk6450_lcd_pdata);
+
platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
}
--
1.7.0.4
--
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