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authorAjay Kumar <ajaykumar.rs@samsung.com>2011-09-27 07:46:57 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 19:00:53 +0900
commitc9f357ef9d032424ca36e7088a6eb7266887b3a2 (patch)
tree0fa612bb825d9d0a48da280c3ff625d6d4e24768 /arch/arm/mach-s5p64x0
parent43c46216660a0329af558d2e6bdf540ee4d5c0d5 (diff)
ARM: S5P64X0: Add GPIO setup for LCD
This patch adds GPIO lines settings(HSYNC, VSYNC, VCLK and VD) for LCD. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5p64x0')
-rw-r--r--arch/arm/mach-s5p64x0/Kconfig6
-rw-r--r--arch/arm/mach-s5p64x0/Makefile1
-rw-r--r--arch/arm/mach-s5p64x0/setup-fb-24bpp.c29
3 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig
index 9527ed24dbff..92b06024ee9f 100644
--- a/arch/arm/mach-s5p64x0/Kconfig
+++ b/arch/arm/mach-s5p64x0/Kconfig
@@ -21,6 +21,12 @@ config CPU_S5P6450
help
Enable S5P6450 CPU support
+config S5P64X0_SETUP_FB_24BPP
+ bool
+ help
+ Common setup code for S5P64X0 based boards with a LCD display
+ through RGB interface.
+
config S5P64X0_SETUP_I2C1
bool
help
diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile
index 5b9495538839..eb7468012a37 100644
--- a/arch/arm/mach-s5p64x0/Makefile
+++ b/arch/arm/mach-s5p64x0/Makefile
@@ -28,3 +28,4 @@ obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o
diff --git a/arch/arm/mach-s5p64x0/setup-fb-24bpp.c b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
new file mode 100644
index 000000000000..f346ee4af54d
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
@@ -0,0 +1,29 @@
+/* linux/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Base S5P64X0 GPIO setup information for LCD framebuffer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/fb.h>
+#include <linux/gpio.h>
+
+#include <plat/cpu.h>
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+
+void s5p64x0_fb_gpio_setup_24bpp(void)
+{
+ if (soc_is_s5p6440()) {
+ s3c_gpio_cfgrange_nopull(S5P6440_GPI(0), 16, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(S5P6440_GPJ(0), 12, S3C_GPIO_SFN(2));
+ } else if (soc_is_s5p6450()) {
+ s3c_gpio_cfgrange_nopull(S5P6450_GPI(0), 16, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(S5P6450_GPJ(0), 12, S3C_GPIO_SFN(2));
+ }
+}