diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2011-03-10 21:49:31 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-03-11 15:49:00 +0900 |
| commit | 0048a17348645f18cf209483e1f8e46a6dbec971 (patch) | |
| tree | 449450e1f255d363b37b5aabaa0e567be7bfab78 /arch/arm/mach-exynos4 | |
| parent | 6d2f42cc275ba72a47ce6933b18480163ecf2740 (diff) | |
ARM: S5P: Add platform helpers for camera GPIO configuration
Add functions for configuration of the parallel camera
bus pins on S5PV210 and Exynos4 SoC.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos4')
| -rw-r--r-- | arch/arm/mach-exynos4/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/mach-exynos4/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-exynos4/setup-fimc.c | 44 |
3 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 82195a9a4c61..8d7398fdd05c 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -76,6 +76,11 @@ config EXYNOS4_SETUP_SDHCI_GPIO help Common setup code for SDHCI gpio. +config EXYNOS4_SETUP_FIMC + bool + help + Common setup code for the camera interfaces. + # machine support menu "EXYNOS4 Machines" diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index 56e367b48fbb..69a4a28dc95e 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -41,6 +41,7 @@ obj-y += dev-audio.o obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o +obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o obj-$(CONFIG_EXYNOS4_SETUP_I2C1) += setup-i2c1.o obj-$(CONFIG_EXYNOS4_SETUP_I2C2) += setup-i2c2.o obj-$(CONFIG_EXYNOS4_SETUP_I2C3) += setup-i2c3.o diff --git a/arch/arm/mach-exynos4/setup-fimc.c b/arch/arm/mach-exynos4/setup-fimc.c new file mode 100644 index 000000000000..6a45078d9d12 --- /dev/null +++ b/arch/arm/mach-exynos4/setup-fimc.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011 Samsung Electronics Co., Ltd. + * + * Exynos4 camera interface GPIO configuration. + * + * 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/gpio.h> +#include <plat/gpio-cfg.h> +#include <plat/camport.h> + +int exynos4_fimc_setup_gpio(enum s5p_camport_id id) +{ + u32 gpio8, gpio5; + u32 sfn; + int ret; + + switch (id) { + case S5P_CAMPORT_A: + gpio8 = EXYNOS4_GPJ0(0); /* PCLK, VSYNC, HREF, DATA[0:4] */ + gpio5 = EXYNOS4_GPJ1(0); /* DATA[5:7], CLKOUT, FIELD */ + sfn = S3C_GPIO_SFN(2); + break; + + case S5P_CAMPORT_B: + gpio8 = EXYNOS4_GPE0(0); /* DATA[0:7] */ + gpio5 = EXYNOS4_GPE1(0); /* PCLK, VSYNC, HREF, CLKOUT, FIELD */ + sfn = S3C_GPIO_SFN(3); + break; + + default: + WARN(1, "Wrong camport id: %d\n", id); + return -EINVAL; + } + + ret = s3c_gpio_cfgall_range(gpio8, 8, sfn, S3C_GPIO_PULL_UP); + if (ret) + return ret; + + return s3c_gpio_cfgall_range(gpio5, 5, sfn, S3C_GPIO_PULL_UP); +} |