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Commit c9f357ef authored by Ajay Kumar's avatar Ajay Kumar Committed by Kukjin Kim
Browse files

ARM: S5P64X0: Add GPIO setup for LCD 



This patch adds GPIO lines settings(HSYNC, VSYNC, VCLK and VD) for LCD.

Signed-off-by: default avatarAjay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 43c46216

arch/arm/mach-s5p64x0/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-s5p64x0/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-s5p64x0/setup-fb-24bpp.c

0 → 100644
+29 −0
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/* 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));

	}

}

arch/arm/plat-samsung/include/plat/fb.h

+7 −0
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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 */