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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-s3c64xx/setup-keypad.c | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c64xx/setup-keypad.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/setup-keypad.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/setup-keypad.c b/arch/arm/mach-s3c64xx/setup-keypad.c new file mode 100644 index 000000000..351961025 --- /dev/null +++ b/arch/arm/mach-s3c64xx/setup-keypad.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2010 Samsung Electronics Co., Ltd. +// http://www.samsung.com/ +// +// GPIO configuration for S3C64XX KeyPad device + +#include <linux/gpio.h> +#include <plat/gpio-cfg.h> +#include <plat/keypad.h> +#include <mach/gpio-samsung.h> + +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)); +} |