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/*
* 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 <linux/nct1008.h>
#include <mach/gpio.h>
#include "cpu-tegra.h"
#include "gpio-names.h"
#include "board-enterprise.h"
static struct nct1008_platform_data enterprise_nct1008_pdata = {
.supported_hwrev = true,
.ext_range = false,
.conv_rate = 0x08,
.offset = 0,
.hysteresis = 5,
.shutdown_ext_limit = 75,
.shutdown_local_limit = 75,
.throttling_ext_limit = 90,
.alarm_fn = tegra_throttling_enable,
};
static struct i2c_board_info enterprise_i2c4_nct1008_board_info[] = {
{
I2C_BOARD_INFO("nct1008", 0x4C),
.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PH7),
.platform_data = &enterprise_nct1008_pdata,
}
};
static void enterprise_nct1008_init(void)
{
int ret;
tegra_gpio_enable(TEGRA_GPIO_PH7);
ret = gpio_request(TEGRA_GPIO_PH7, "temp_alert");
if (ret < 0) {
pr_err("%s: gpio_request failed %d\n", __func__, ret);
return;
}
ret = gpio_direction_input(TEGRA_GPIO_PH7);
if (ret < 0) {
pr_err("%s: gpio_direction_input failed %d\n", __func__, ret);
gpio_free(TEGRA_GPIO_PH7);
return;
}
i2c_register_board_info(4, enterprise_i2c4_nct1008_board_info,
ARRAY_SIZE(enterprise_i2c4_nct1008_board_info));
}
#define SENSOR_MPU_NAME "mpu3050"
static struct mpu3050_platform_data mpu3050_data = {
.int_config = 0x10,
/* Orientation matrix for MPU on enterprise */
.orientation = { -1, 0, 0, 0, -1, 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 = { 0, 1, 0, -1, 0, 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_nct1008_init();
enterprise_mpuirq_init();
return 0;
}
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