This patch enables lcd and backlight drivers in NURI board.
Signed-off-by: Donghwa Lee <dh09.lee@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
------
arch/arm/configs/exynos4_nuri_defconfig | 9 +++-
arch/arm/mach-exynos4/Kconfig | 1 +
arch/arm/mach-exynos4/mach-nuri.c | 62 +++++++++++++++++++++++++++++++
3 files changed, 70 insertions(+), 2 deletions(-)
diff --git a/arch/arm/configs/exynos4_nuri_defconfig b/arch/arm/configs/exynos4_nuri_defconfig
index 5f03027..e2f0bfb 100644
--- a/arch/arm/configs/exynos4_nuri_defconfig
+++ b/arch/arm/configs/exynos4_nuri_defconfig
@@ -786,8 +786,13 @@ CONFIG_REGULATOR=y
# CONFIG_DRM is not set
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_FB=y
+CONFIG_FB_S3C=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_PLATFORM=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_BACKLIGHT_PWM=y
#
# Display device support
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 5bf00b9..1d0d222 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -135,6 +135,7 @@ config MACH_NURI
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_I2C5
select EXYNOS4_SETUP_SDHCI
+ select HAVE_PWM
help
Machine support for Samsung Mobile NURI Board.
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
index 28010bd..d06cc91 100644
--- a/arch/arm/mach-exynos4/mach-nuri.c
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -17,6 +17,10 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/mmc/host.h>
+#include <linux/fb.h>
+#include <linux/pwm_backlight.h>
+
+#include <video/platform_lcd.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -26,6 +30,8 @@
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
+#include <plat/fb.h>
+#include <plat/regs-fb.h>
#include <mach/map.h>
@@ -181,6 +187,60 @@ static struct platform_device nuri_gpio_keys = {
},
};
+static int lcd_power_on(struct lcd_device *ld, int enable)
+{
+ int gpio = EXYNOS4_GPE1(5);
+
+ gpio_request(gpio, "LVDS_nSHDN");
+
+ if (enable)
+ gpio_direction_output(gpio, 1);
+ else
+ gpio_direction_output(gpio, 0);
+
+ return 0;
+}
+
+static int backlight_init(struct device *dev)
+{
+ return 0;
+}
+
+/* nuri pwm backlight */
+static struct platform_pwm_backlight_data nuri_backlight_data = {
+ .pwm_id = 0,
+ .pwm_period_ns = 30000,
+ .max_brightness = 100,
+ .dft_brightness = 50,
+ .init = backlight_init,
+};
+
+static struct platform_device nuri_backlight_device = {
+ .name = "pwm-backlight",
+ .id = -1,
+ .dev = {
+ .platform_data = &nuri_backlight_data,
+ },
+};
+
+static struct plat_lcd_data nuri_lcd_platform_data = {
+ .set_power = lcd_power_on,
+};
+
+static struct platform_device nuri_lcd_device = {
+ .name = "platform-lcd",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *) &nuri_lcd_platform_data,
+ },
+};
+
+static void __init nuri_fb_init(void)
+{
+ platform_device_register(&nuri_lcd_device);
+ platform_device_register(&nuri_backlight_device);
+}
+
/* I2C1 */
static struct i2c_board_info i2c1_devs[] __initdata = {
/* Gyro, To be updated */
@@ -201,6 +261,7 @@ static struct platform_device *nuri_devices[] __initdata = {
&s3c_device_wdt,
#endif
+ &s3c_device_timer[0],
/* NURI Devices */
&nuri_gpio_keys,
};
@@ -219,6 +280,7 @@ static void __init nuri_machine_init(void)
i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
+ nuri_fb_init();
/* Last */
platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
}
--
1.6.0.4
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