From d31f74e60804cba1d7b265708b820e524e574611 Mon Sep 17 00:00:00 2001 From: Jean-Baptiste Maneyrol Date: Thu, 6 Feb 2020 11:31:02 +0100 Subject: [PATCH] iio: imu: inv_mpu6050: add support of IAM20680 Automotive certified IMU, similar to ICM20608. Signed-off-by: Jean-Baptiste Maneyrol Signed-off-by: Jonathan Cameron --- drivers/iio/imu/inv_mpu6050/Kconfig | 4 ++-- drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 8 ++++++++ drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 6 ++++++ drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 2 ++ drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 5 +++++ 5 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig index e933db3..e65474a 100644 --- a/drivers/iio/imu/inv_mpu6050/Kconfig +++ b/drivers/iio/imu/inv_mpu6050/Kconfig @@ -16,7 +16,7 @@ config INV_MPU6050_I2C select REGMAP_I2C help This driver supports the Invensense MPU6050/9150, - MPU6500/6515/9250/9255, ICM20608/20609/20689 and ICM20602 + MPU6500/6515/9250/9255, ICM20608/20609/20689, ICM20602 and IAM20680 motion tracking devices over I2C. This driver can be built as a module. The module will be called inv-mpu6050-i2c. @@ -28,7 +28,7 @@ config INV_MPU6050_SPI select REGMAP_SPI help This driver supports the Invensense MPU6000, - MPU6500/6515/9250/9255, ICM20608/20609/20689 and ICM20602 + MPU6500/6515/9250/9255, ICM20608/20609/20689, ICM20602 and IAM20680 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 5fd57a1..e8e6bee 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -200,6 +200,14 @@ static const struct inv_mpu6050_hw hw_info[] = { .fifo_size = 1008, .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE}, }, + { + .whoami = INV_IAM20680_WHOAMI_VALUE, + .name = "IAM20680", + .reg = ®_set_6500, + .config = &chip_config_6050, + .fifo_size = 512, + .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE}, + }, }; 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 dd054e2..cd0eeb5 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -64,6 +64,7 @@ static bool inv_mpu_i2c_aux_bus(struct device *dev) case INV_ICM20609: case INV_ICM20689: case INV_ICM20602: + case INV_IAM20680: /* no i2c auxiliary bus on the chip */ return false; case INV_MPU9150: @@ -207,6 +208,7 @@ static const struct i2c_device_id inv_mpu_id[] = { {"icm20609", INV_ICM20609}, {"icm20689", INV_ICM20689}, {"icm20602", INV_ICM20602}, + {"iam20680", INV_IAM20680}, {} }; @@ -253,6 +255,10 @@ static const struct of_device_id inv_of_match[] = { .compatible = "invensense,icm20602", .data = (void *)INV_ICM20602 }, + { + .compatible = "invensense,iam20680", + .data = (void *)INV_IAM20680 + }, { } }; MODULE_DEVICE_TABLE(of, inv_of_match); diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index 75b8903..404c289 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -78,6 +78,7 @@ enum inv_devices { INV_ICM20609, INV_ICM20689, INV_ICM20602, + INV_IAM20680, INV_NUM_PARTS }; @@ -346,6 +347,7 @@ struct inv_mpu6050_state { #define INV_ICM20609_WHOAMI_VALUE 0xA6 #define INV_ICM20689_WHOAMI_VALUE 0x98 #define INV_ICM20602_WHOAMI_VALUE 0x12 +#define INV_IAM20680_WHOAMI_VALUE 0xA9 /* scan element definition for generic MPU6xxx devices */ 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 3803c40..393cec5 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c @@ -84,6 +84,7 @@ static const struct spi_device_id inv_mpu_id[] = { {"icm20609", INV_ICM20609}, {"icm20689", INV_ICM20689}, {"icm20602", INV_ICM20602}, + {"iam20680", INV_IAM20680}, {} }; @@ -126,6 +127,10 @@ static const struct of_device_id inv_of_match[] = { .compatible = "invensense,icm20602", .data = (void *)INV_ICM20602 }, + { + .compatible = "invensense,iam20680", + .data = (void *)INV_IAM20680 + }, { } }; MODULE_DEVICE_TABLE(of, inv_of_match); -- 2.7.4