diff options
| author | Naveen Krishna <ch.naveen@samsung.com> | 2010-05-18 20:44:27 +0900 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2010-05-19 18:25:22 +0900 |
| commit | 5bfdca146edc558ae6b3bac6b05dc5b1f094fbf3 (patch) | |
| tree | 16f5d546a0ac4cd948efa8576ce20f8ecc6f865e /arch/arm/plat-s3c24xx | |
| parent | 909de0d67dbd9488d5f77bdcadcd34264fea3c02 (diff) | |
ARM: SAMSUNG: Implements cfg_gpio function for Samsung touchscreen
This patch implements cfg_gpio function for Samsung touchscreen.
And also modifies the H1940 machine respectively.
Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx')
| -rw-r--r-- | arch/arm/plat-s3c24xx/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/plat-s3c24xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c24xx/setup-ts.c | 34 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 3ce8f010b3c..984bf66826d 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -164,4 +164,9 @@ config S3C24XX_SIMTEC_AUDIO help Add audio devices for common Simtec S3C24XX boards +config S3C2410_SETUP_TS + bool + help + Compile in platform device definition for Samsung TouchScreen. + endif diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 44aea8868f8..c2064c30871 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += s3c2410-cpufreq-utils.o # device specific setup and/or initialisation obj-$(CONFIG_ARCH_S3C2410) += setup-i2c.o +obj-$(CONFIG_S3C2410_SETUP_TS) += setup-ts.o # SPI gpio central GPIO functions diff --git a/arch/arm/plat-s3c24xx/setup-ts.c b/arch/arm/plat-s3c24xx/setup-ts.c new file mode 100644 index 00000000000..ed263866367 --- /dev/null +++ b/arch/arm/plat-s3c24xx/setup-ts.c @@ -0,0 +1,34 @@ +/* linux/arch/arm/plat-s3c24xx/setup-ts.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Based on S3C24XX setup for i2c device + * + * 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/kernel.h> +#include <linux/gpio.h> + +struct platform_device; /* don't need the contents */ + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> + +/** + * s3c24xx_ts_cfg_gpio - configure gpio for s3c2410 systems + * + * Configure the GPIO for the S3C2410 system, where we have external FETs + * connected to the device (later systems such as the S3C2440 integrate + * these into the device). + */ +void s3c24xx_ts_cfg_gpio(struct platform_device *dev) +{ + s3c2410_gpio_cfgpin(S3C2410_GPG(12), S3C2410_GPG12_XMON); + s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPG13_nXPON); + s3c2410_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPG14_YMON); + s3c2410_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPG15_nYPON); +} |