diff options
Diffstat (limited to 'arch/arm/mach-s5pv210/setup-keypad.c')
| -rw-r--r-- | arch/arm/mach-s5pv210/setup-keypad.c | 24 |
1 files changed, 24 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 00000000000..c56420a52f4 --- /dev/null +++ b/arch/arm/mach-s5pv210/setup-keypad.c @@ -0,0 +1,24 @@ +/* + * 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) +{ + /* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */ + s3c_gpio_cfgrange_nopull(S5PV210_GPH3(0), rows, S3C_GPIO_SFN(3)); + + /* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */ + s3c_gpio_cfgrange_nopull(S5PV210_GPH2(0), cols, S3C_GPIO_SFN(3)); +} |