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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-s3c/setup-keypad-s3c64xx.c
parentInitial commit. (diff)
downloadlinux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz
linux-430c2fc249ea5c0536abd21c23382884005c9093.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c/setup-keypad-s3c64xx.c')
-rw-r--r--arch/arm/mach-s3c/setup-keypad-s3c64xx.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/setup-keypad-s3c64xx.c b/arch/arm/mach-s3c/setup-keypad-s3c64xx.c
new file mode 100644
index 000000000..8463ad37c
--- /dev/null
+++ b/arch/arm/mach-s3c/setup-keypad-s3c64xx.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 "gpio-cfg.h"
+#include "keypad.h"
+#include "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));
+}