init android origin source code

1 files changed, 24 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/arm/mach-s5pv210/setup-keypad.c b/ANDROID_3.4.5/arch/arm/mach-s5pv210/setup-keypad.c
new file mode 100644
index 00000000..c56420a5
--- /dev/null
+++ b/ANDROID_3.4.5/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));
+}