[PATCH 5/5] iio: inv_mpu6050: Add explicit support for MPU9150

From: Crestez Dan Leonard
Date: Wed Apr 20 2016 - 09:15:44 EST


This device is a package containing a MPU6050-like sensor and an AK8975
magnetometer. The magnetometer component is supported by the existing
ak8975 driver.

This patch also rephrases the Kconfig descriptions.

Signed-off-by: Crestez Dan Leonard <leonard.crestez@xxxxxxxxx>
---
drivers/iio/imu/inv_mpu6050/Kconfig | 10 ++++------
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 6 ++++++
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 1 +
drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 2 ++
drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 1 +
5 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig
index a7f557a..c05d474 100644
--- a/drivers/iio/imu/inv_mpu6050/Kconfig
+++ b/drivers/iio/imu/inv_mpu6050/Kconfig
@@ -14,10 +14,8 @@ config INV_MPU6050_I2C
select I2C_MUX
select REGMAP_I2C
help
- This driver supports the Invensense MPU6050 devices.
- This driver can also support MPU6500 in MPU6050 compatibility mode
- and also in MPU6500 mode with some limitations.
- It is a gyroscope/accelerometer combo device.
+ This driver supports the Invensense MPU6050/6500/9150 motion tracking
+ devices over I2C.
This driver can be built as a module. The module will be called
inv-mpu6050-i2c.

@@ -27,7 +25,7 @@ config INV_MPU6050_SPI
select INV_MPU6050_IIO
select REGMAP_SPI
help
- This driver supports the Invensense MPU6050 devices.
- It is a gyroscope/accelerometer combo device.
+ This driver supports the Invensense MPU6000/6500/9150 motion tracking
+ devices over SPI.
This driver can be built as a module. The module will be called
inv-mpu6050-spi.
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 273b7fa7..3a82a49 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -108,6 +108,12 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6050,
.config = &chip_config_6050,
},
+ {
+ .whoami = INV_MPU9150_WHOAMI_VALUE,
+ .name = "MPU9150",
+ .reg = &reg_set_6050,
+ .config = &chip_config_6050,
+ },
};

int inv_mpu6050_switch_engine(struct inv_mpu6050_state *st, bool en, u32 mask)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index bb1a7b1..1a424a6 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -202,6 +202,7 @@ static int inv_mpu_remove(struct i2c_client *client)
static const struct i2c_device_id inv_mpu_id[] = {
{"mpu6050", INV_MPU6050},
{"mpu6500", INV_MPU6500},
+ {"mpu9150", INV_MPU9150},
{}
};

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index 564cabd..38d6a09 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -68,6 +68,7 @@ enum inv_devices {
INV_MPU6050,
INV_MPU6500,
INV_MPU6000,
+ INV_MPU9150,
INV_NUM_PARTS
};

@@ -220,6 +221,7 @@ struct inv_mpu6050_state {
#define INV_MPU6000_WHOAMI_VALUE 0x68
#define INV_MPU6050_WHOAMI_VALUE 0x68
#define INV_MPU6500_WHOAMI_VALUE 0x70
+#define INV_MPU9150_WHOAMI_VALUE 0x68

/* scan element definition */
enum inv_mpu6050_scan {
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
index a0f8df2..190a4a5 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
@@ -81,6 +81,7 @@ static int inv_mpu_remove(struct spi_device *spi)
static const struct spi_device_id inv_mpu_id[] = {
{"mpu6000", INV_MPU6000},
{"mpu6500", INV_MPU6500},
+ {"mpu9150", INV_MPU9150},
{}
};

--
2.5.5