Initial file dump from open source releaseHEADmaster

1 files changed, 23 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pc100/setup-keypad.c b/arch/arm/mach-s5pc100/setup-keypad.c
new file mode 100644
index 00000000..ada377f0
--- /dev/null
+++ b/arch/arm/mach-s5pc100/setup-keypad.c
@@ -0,0 +1,23 @@
+/* linux/arch/arm/mach-s5pc100/setup-keypad.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * GPIO configuration for S5PC100 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 <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(S5PC100_GPH3(0), rows, S3C_GPIO_SFN(3));
+
+	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
+	s3c_gpio_cfgrange_nopull(S5PC100_GPH2(0), cols, S3C_GPIO_SFN(3));
+}