From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-s3c64xx/setup-keypad.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/arm/mach-s3c64xx/setup-keypad.c (limited to 'arch/arm/mach-s3c64xx/setup-keypad.c') diff --git a/arch/arm/mach-s3c64xx/setup-keypad.c b/arch/arm/mach-s3c64xx/setup-keypad.c new file mode 100644 index 00000000..1d4d0ee9 --- /dev/null +++ b/arch/arm/mach-s3c64xx/setup-keypad.c @@ -0,0 +1,24 @@ +/* linux/arch/arm/mach-s3c64xx/setup-keypad.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * GPIO configuration for S3C64XX KeyPad 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 +#include +#include + +void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) +{ + /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ + s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); + + /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ + s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); +} -- cgit v1.2.3