ARM: tegra: sensors: Add support for enterprise

Enable mpu and isl & proxy sensors for enterprise board

Bug 827932

Change-Id: I735790f722b143ac654b5f8c0b1d4b3914e693d9
Reviewed-on: http://git-master/r/31879
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>

Rebase-Id: R7c2d4d8b434670769c6f09f55f364799335d0d53

1 files changed, 103 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-enterprise-sensors.c b/arch/arm/mach-tegra/board-enterprise-sensors.c
new file mode 100644
index 000000000000..c6e4ed472bbb
--- /dev/null
+++ b/arch/arm/mach-tegra/board-enterprise-sensors.c
@@ -0,0 +1,103 @@
+/*
+ * arch/arm/mach-tegra/board-enterprise-sensors.c
+ *
+ * Copyright (c) 2011, NVIDIA, All Rights Reserved.
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <linux/i2c.h>
+#include <linux/err.h>
+#include <linux/mpu.h>
+#include <mach/gpio.h>
+#include "gpio-names.h"
+#include "board-enterprise.h"
+
+#define SENSOR_MPU_NAME "mpu3050"
+static struct mpu3050_platform_data mpu3050_data = {
+	.int_config  = 0x10,
+	/* Orientation matrix for MPU on enterprise */
+	.orientation = { 0, -1, 0, -1, 0, 0, 0, 0, -1 },
+	.level_shifter = 0,
+
+	.accel = {
+		.get_slave_descr = get_accel_slave_descr,
+		.adapt_num   = 0,
+		.bus         = EXT_SLAVE_BUS_SECONDARY,
+		.address     = 0x0F,
+		/* Orientation matrix for Kionix on enterprise */
+		.orientation = { 0, -1, 0, -1, 0, 0, 0, 0, -1 },
+
+	},
+
+	.compass = {
+		.get_slave_descr = get_compass_slave_descr,
+		.adapt_num   = 0,
+		.bus         = EXT_SLAVE_BUS_PRIMARY,
+		.address     = 0x0C,
+		/* Orientation matrix for AKM on enterprise */
+		.orientation = { 1, 0, 0, 0, -1, 0, 0, 0, -1 },
+	},
+};
+
+static struct i2c_board_info __initdata mpu3050_i2c0_boardinfo[] = {
+	{
+		I2C_BOARD_INFO(SENSOR_MPU_NAME, 0x68),
+		.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PH4),
+		.platform_data = &mpu3050_data,
+	},
+};
+
+static void enterprise_mpuirq_init(void)
+{
+	int ret = 0;
+
+	tegra_gpio_enable(TEGRA_GPIO_PH4);
+	ret = gpio_request(TEGRA_GPIO_PH4, SENSOR_MPU_NAME);
+	if (ret < 0) {
+		pr_err("%s: gpio_request failed %d\n", __func__, ret);
+		return;
+	}
+
+	ret = gpio_direction_input(TEGRA_GPIO_PH4);
+	if (ret < 0) {
+		pr_err("%s: gpio_direction_input failed %d\n", __func__, ret);
+		gpio_free(TEGRA_GPIO_PH4);
+		return;
+	}
+
+	i2c_register_board_info(0, mpu3050_i2c0_boardinfo,
+				ARRAY_SIZE(mpu3050_i2c0_boardinfo));
+}
+
+static struct i2c_board_info enterprise_i2c0_isl_board_info[] = {
+	{
+		I2C_BOARD_INFO("isl29028", 0x44),
+	}
+};
+
+static void enterprise_isl_init(void)
+{
+	i2c_register_board_info(0, enterprise_i2c0_isl_board_info,
+				ARRAY_SIZE(enterprise_i2c0_isl_board_info));
+}
+
+int __init enterprise_sensors_init(void)
+{
+	enterprise_isl_init();
+	enterprise_mpuirq_init();
+
+	return 0;
+}