diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-08-19 12:48:09 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-08-19 12:48:09 +0200 |
commit | c8710ad38900153af7a3e6762e99c062cfa46443 (patch) | |
tree | a0c0632274c4eb72f51e99a5861f71cffe65ea60 /arch/arm/mach-s5pv210/setup-keypad.c | |
parent | perf, tracing: add missing __percpu markups (diff) | |
parent | tracing: Clean up seqfile code for format file (diff) | |
download | linux-dev-c8710ad38900153af7a3e6762e99c062cfa46443.tar.xz linux-dev-c8710ad38900153af7a3e6762e99c062cfa46443.zip |
Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'arch/arm/mach-s5pv210/setup-keypad.c')
-rw-r--r-- | arch/arm/mach-s5pv210/setup-keypad.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/setup-keypad.c b/arch/arm/mach-s5pv210/setup-keypad.c new file mode 100644 index 000000000000..37b2790aafc3 --- /dev/null +++ b/arch/arm/mach-s5pv210/setup-keypad.c @@ -0,0 +1,34 @@ +/* + * linux/arch/arm/mach-s5pv210/setup-keypad.c + * + * Copyright (C) 2010 Samsung Electronics Co.Ltd + * Author: Joonyoung Shim <jy0922.shim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/gpio.h> +#include <plat/gpio-cfg.h> + +void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) +{ + unsigned int gpio, end; + + /* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */ + end = S5PV210_GPH3(rows); + for (gpio = S5PV210_GPH3(0); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + /* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */ + end = S5PV210_GPH2(cols); + for (gpio = S5PV210_GPH2(0); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} |