1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/board-smdk5250-input.c b/arch/arm/mach-exynos/board-smdk5250-input.c
new file mode 100644
index 0000000..f3ac26b
--- /dev/null
+++ b/arch/arm/mach-exynos/board-smdk5250-input.c
@@ -0,0 +1,117 @@
+/* linux/arch/arm/mach-exynos/board-smdk5250-input.c
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * 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 <linux/gpio_event.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/devs.h>
+#include <plat/iic.h>
+
+#include <mach/irqs.h>
+
+#include "board-smdk5250.h"
+
+static struct gpio_event_direct_entry smdk5250_keypad_key_map[] = {
+	{
+		.gpio   = EXYNOS5_GPX0(0),
+		.code   = KEY_POWER,
+	}
+};
+
+static struct gpio_event_input_info smdk5250_keypad_key_info = {
+	.info.func              = gpio_event_input_func,
+	.info.no_suspend        = true,
+	.debounce_time.tv64	= 5 * NSEC_PER_MSEC,
+	.type                   = EV_KEY,
+	.keymap                 = smdk5250_keypad_key_map,
+	.keymap_size            = ARRAY_SIZE(smdk5250_keypad_key_map)
+};
+
+static struct gpio_event_info *smdk5250_input_info[] = {
+	&smdk5250_keypad_key_info.info,
+};
+
+static struct gpio_event_platform_data smdk5250_input_data = {
+	.names  = {
+		"smdk5250-keypad",
+		NULL,
+	},
+	.info           = smdk5250_input_info,
+	.info_count     = ARRAY_SIZE(smdk5250_input_info),
+};
+
+static struct platform_device smdk5250_input_device = {
+	.name   = GPIO_EVENT_DEV_NAME,
+	.id     = 0,
+	.dev    = {
+		.platform_data = &smdk5250_input_data,
+	},
+};
+
+static void __init smdk5250_gpio_power_init(void)
+{
+	int err = 0;
+
+	err = gpio_request_one(EXYNOS5_GPX0(0), 0, "GPX0");
+	if (err) {
+		printk(KERN_ERR "failed to request GPX0 for "
+				"suspend/resume control\n");
+		return;
+	}
+	s3c_gpio_setpull(EXYNOS5_GPX0(0), S3C_GPIO_PULL_NONE);
+
+	gpio_free(EXYNOS5_GPX0(0));
+}
+
+#ifdef CONFIG_WAKEUP_ASSIST
+static struct platform_device wakeup_assist_device = {
+	.name = "wakeup_assist",
+};
+#endif
+
+struct egalax_i2c_platform_data {
+	unsigned int gpio_int;
+	unsigned int gpio_en;
+	unsigned int gpio_rst;
+};
+
+static struct egalax_i2c_platform_data exynos5_egalax_data = {
+	.gpio_int	= EXYNOS5_GPX3(1),
+};
+
+static struct i2c_board_info i2c_devs7[] __initdata = {
+	{
+		I2C_BOARD_INFO("egalax_i2c", 0x04),
+		.irq		= IRQ_EINT(25),
+		.platform_data	= &exynos5_egalax_data,
+	},
+};
+
+static struct platform_device *smdk5250_input_devices[] __initdata = {
+	&s3c_device_i2c7,
+	&smdk5250_input_device,
+#ifdef CONFIG_WAKEUP_ASSIST
+	&wakeup_assist_device,
+#endif
+};
+
+void __init exynos5_smdk5250_input_init(void)
+{
+	s3c_i2c7_set_platdata(NULL);
+	i2c_register_board_info(7, i2c_devs7, ARRAY_SIZE(i2c_devs7));
+
+	smdk5250_gpio_power_init();
+
+	platform_add_devices(smdk5250_input_devices,
+			ARRAY_SIZE(smdk5250_input_devices));
+}