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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>
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@ -21,6 +21,12 @@ config CPU_S5P6450
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help
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Enable S5P6450 CPU support
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config S5P64X0_SETUP_FB_24BPP
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bool
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help
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Common setup code for S5P64X0 based boards with a LCD display
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through RGB interface.
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config S5P64X0_SETUP_I2C1
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bool
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help
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@ -28,3 +28,4 @@ obj-y += dev-audio.o
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obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
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obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o
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obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o
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29
arch/arm/mach-s5p64x0/setup-fb-24bpp.c
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29
arch/arm/mach-s5p64x0/setup-fb-24bpp.c
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@ -0,0 +1,29 @@
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/* linux/arch/arm/mach-s5p64x0/setup-fb-24bpp.c
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Base S5P64X0 GPIO setup information for LCD framebuffer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <plat/cpu.h>
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#include <plat/fb.h>
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#include <plat/gpio-cfg.h>
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void s5p64x0_fb_gpio_setup_24bpp(void)
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{
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if (soc_is_s5p6440()) {
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s3c_gpio_cfgrange_nopull(S5P6440_GPI(0), 16, S3C_GPIO_SFN(2));
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s3c_gpio_cfgrange_nopull(S5P6440_GPJ(0), 12, S3C_GPIO_SFN(2));
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} else if (soc_is_s5p6450()) {
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s3c_gpio_cfgrange_nopull(S5P6450_GPI(0), 16, S3C_GPIO_SFN(2));
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s3c_gpio_cfgrange_nopull(S5P6450_GPJ(0), 12, S3C_GPIO_SFN(2));
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}
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}
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@ -109,4 +109,11 @@ extern void s5pv210_fb_gpio_setup_24bpp(void);
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*/
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extern void exynos4_fimd0_gpio_setup_24bpp(void);
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/**
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* s5p64x0_fb_gpio_setup_24bpp() - S5P6440/S5P6450 setup function for 24bpp LCD
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*
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* Initialise the GPIO for an 24bpp LCD display on the RGB interface.
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*/
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extern void s5p64x0_fb_gpio_setup_24bpp(void);
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#endif /* __PLAT_S3C_FB_H */
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