ARM: tegra: pluto: added board KBC file

Bug 1017712

Change-Id: I7c152d5946f5432874f6fc9c4be0794973038575
Signed-off-by: aghuge <aghuge@nvidia.com>
Reviewed-on: http://git-master/r/128201
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>

1 files changed, 97 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-pluto-kbc.c b/arch/arm/mach-tegra/board-pluto-kbc.c
new file mode 100644
index 000000000000..7fa5633fd86a
--- /dev/null
+++ b/arch/arm/mach-tegra/board-pluto-kbc.c
@@ -0,0 +1,97 @@
+/*
+ * arch/arm/mach-tegra/board-pluto-kbc.c
+ * Keys configuration for Nvidia tegra3 pluto platform.
+ *
+ * Copyright (C) 2012 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-pluto.h"
+#include "devices.h"
+
+#define PLUTO_ROW_COUNT	3
+#define PLUTO_COL_COUNT	3
+
+static const u32 kbd_keymap[] = {
+	KEY(0, 0, KEY_POWER),
+	KEY(0, 1, KEY_VOLUMEUP),
+	KEY(0, 2, KEY_VOLUMEDOWN),
+
+	KEY(1, 0, KEY_SEARCH),
+	KEY(1, 1, KEY_CAMERA),
+	KEY(1, 2, KEY_CAMERA_FOCUS),
+
+	KEY(2, 0, KEY_HOME),
+	KEY(2, 1, KEY_BACK),
+	KEY(2, 2, KEY_MENU),
+};
+
+static const struct matrix_keymap_data keymap_data = {
+	.keymap		= kbd_keymap,
+	.keymap_size	= ARRAY_SIZE(kbd_keymap),
+};
+
+static struct tegra_kbc_wake_key pluto_wake_cfg[] = {
+	[0] = {
+		.row = 0,
+		.col = 0,
+	},
+};
+
+static struct tegra_kbc_platform_data pluto_kbc_platform_data = {
+	.debounce_cnt = 20 * 32, /* 20 ms debaunce time */
+	.repeat_cnt = 1,
+	.scan_count = 30,
+	.wakeup = true,
+	.keymap_data = &keymap_data,
+	.wake_cnt = 2,
+	.wake_cfg = &pluto_wake_cfg[0],
+	.wakeup_key = KEY_POWER,
+#ifdef CONFIG_ANDROID
+	.disable_ev_rep = true,
+#endif
+};
+
+int __init pluto_kbc_init(void)
+{
+	struct tegra_kbc_platform_data *data = &pluto_kbc_platform_data;
+	int i;
+	tegra_kbc_device.dev.platform_data = &pluto_kbc_platform_data;
+	pr_info("Registering tegra-kbc\n");
+
+	BUG_ON((KBC_MAX_ROW + KBC_MAX_COL) > KBC_MAX_GPIO);
+	for (i = 0; i < PLUTO_ROW_COUNT; i++) {
+		data->pin_cfg[i].num = i;
+		data->pin_cfg[i].type = PIN_CFG_ROW;
+	}
+	for (i = 0; i < PLUTO_COL_COUNT; i++) {
+		data->pin_cfg[i + KBC_PIN_GPIO_16].num = i;
+		data->pin_cfg[i + KBC_PIN_GPIO_16].type = PIN_CFG_COL;
+	}
+
+	platform_device_register(&tegra_kbc_device);
+	pr_info("Registering successful tegra-kbc\n");
+	return 0;
+}
+