diff options
| author | Ajay Kumar <ajaykumar.rs@samsung.com> | 2011-09-26 22:46:57 (GMT) |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-10-04 10:00:53 (GMT) |
| commit | c9f357ef9d032424ca36e7088a6eb7266887b3a2 (patch) | |
| tree | 0fa612bb825d9d0a48da280c3ff625d6d4e24768 /arch/arm | |
| parent | 43c46216660a0329af558d2e6bdf540ee4d5c0d5 (diff) | |
| download | linux-c9f357ef9d032424ca36e7088a6eb7266887b3a2.tar.xz | |
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')
| -rw-r--r-- | arch/arm/mach-s5p64x0/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s5p64x0/setup-fb-24bpp.c | 29 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/fb.h | 7 |
4 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig index 9527ed2..92b0602 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 5b94955..eb74680 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 0000000..f346ee4 --- /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)); + } +} diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h index 01f10e4..0fedf47 100644 --- a/arch/arm/plat-samsung/include/plat/fb.h +++ b/arch/arm/plat-samsung/include/plat/fb.h @@ -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 */ |