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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>
This commit is contained in:
Ajay Kumar 2011-09-27 07:46:57 +09:00 committed by Kukjin Kim
parent 43c4621666
commit c9f357ef9d
4 changed files with 43 additions and 0 deletions
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6
arch/arm/mach-s5p64x0/Kconfig
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@ -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

1
arch/arm/mach-s5p64x0/Makefile
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@ -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

29
arch/arm/mach-s5p64x0/setup-fb-24bpp.c Normal file
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@ -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));
}
}

7
arch/arm/plat-samsung/include/plat/fb.h
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@ -109,4 +109,11 @@ extern void s5pv210_fb_gpio_setup_24bpp(void);
*/
extern void exynos4_fimd0_gpio_setup_24bpp(void);
/**
* s5p64x0_fb_gpio_setup_24bpp() - S5P6440/S5P6450 setup function for 24bpp LCD
*
* Initialise the GPIO for an 24bpp LCD display on the RGB interface.
*/
extern void s5p64x0_fb_gpio_setup_24bpp(void);
#endif /* __PLAT_S3C_FB_H */