arm: tegra: enterprise: Added KBC support

Added KBC support

Bug 827020

Change-Id: Ieac77376aa086f0151b5db4f9069dc886c8a2491
Reviewed-on: http://git-master/r/31568
Reviewed-by: Thomas Cherry <tcherry@nvidia.com>
Tested-by: Thomas Cherry <tcherry@nvidia.com>
Reviewed-by: Daniel Willemsen <dwillemsen@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Alok Chauhan <alokc@nvidia.com>

Rebase-Id: R57011c3e96f4d14a1d53d8376454a7872c26767f

1 files changed, 84 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-enterprise-kbc.c b/arch/arm/mach-tegra/board-enterprise-kbc.c
new file mode 100644
index 000000000000..aee4d4098bd3
--- /dev/null
+++ b/arch/arm/mach-tegra/board-enterprise-kbc.c
@@ -0,0 +1,84 @@
+/*
+ * arch/arm/mach-tegra/board-enterprise-kbc.c
+ * Keys configuration for Nvidia tegra3 enterprise platform.
+ *
+ * Copyright (C) 2011 NVIDIA, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <mach/io.h>
+#include <mach/iomap.h>
+#include <mach/kbc.h>
+
+#include "board.h"
+#include "board-enterprise.h"
+#include "devices.h"
+
+#define ENTERPRISE_ROW_COUNT	3
+#define ENTERPRISE_COL_COUNT	3
+static int plain_kbd_keycode[] = {
+	KEY_POWER,	KEY_RESERVED,	KEY_RESERVED,
+	KEY_HOME,	KEY_BACK,	KEY_VOLUMEDOWN,
+	KEY_MENU,	KEY_SEARCH,	KEY_VOLUMEUP,
+};
+
+static struct tegra_kbc_wake_key enterprise_wake_cfg[] = {
+	[0] = {
+		.row = 0,
+		.col = 0,
+	},
+};
+
+static struct tegra_kbc_platform_data enterprise_kbc_platform_data = {
+	.debounce_cnt = 20,
+	.repeat_cnt = 50 * 32,
+	.scan_timeout_cnt = 3000 * 32,
+	.plain_keycode = plain_kbd_keycode,
+	.fn_keycode = NULL,
+	.is_filter_keys = false,
+	.is_wake_on_any_key = false,
+	.wake_key_cnt = 1,
+	.wake_cfg = &enterprise_wake_cfg[0],
+};
+
+int __init enterprise_kbc_init(void)
+{
+	struct tegra_kbc_platform_data *data = &enterprise_kbc_platform_data;
+	int i;
+	tegra_kbc_device.dev.platform_data = &enterprise_kbc_platform_data;
+	pr_info("Registering tegra-kbc\n");
+	 /* Setup the pin configuration information. */
+	for (i = 0; i < KBC_MAX_GPIO; i++) {
+		data->pin_cfg[i].num = 0;
+		data->pin_cfg[i].pin_type = kbc_pin_unused;
+	}
+	for (i = 0; i < ENTERPRISE_ROW_COUNT; i++) {
+		data->pin_cfg[i].num = i;
+		data->pin_cfg[i].pin_type = kbc_pin_row;
+	}
+
+	for (i = 0; i < ENTERPRISE_COL_COUNT; i++) {
+		data->pin_cfg[i + ENTERPRISE_ROW_COUNT].num = i;
+		data->pin_cfg[i + ENTERPRISE_ROW_COUNT].pin_type = kbc_pin_col;
+	}
+	platform_device_register(&tegra_kbc_device);
+	pr_info("Registering successful tegra-kbc\n");
+	return 0;
+}
+