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iio: imu: inv_mpu6050: Add support for MPU-6880

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MPU-6880 seems to be very similar to MPU-6500 and it works
fine with some minor additions for the mpu6050 driver.

Add the necessary defines for it and make it use the same registers
as MPU-6500 but with a FIFO size of 4096.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Acked-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Cc: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Link: https://lore.kernel.org/r/20201202104656.5119-2-stephan@gerhold.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Stephan Gerhold 2020-12-02 11:46:56 +01:00 committed by Jonathan Cameron
parent af73caa71a
commit 4df685091d
5 changed files with 25 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/iio/imu/inv_mpu6050/Kconfig
View File

@ -16,8 +16,8 @@ config INV_MPU6050_I2C
select REGMAP_I2C
help
This driver supports the Invensense MPU6050/9150,
MPU6500/6515/9250/9255, ICM20608/20609/20689, ICM20602/ICM20690 and
IAM20680 motion tracking devices over I2C.
MPU6500/6515/6880/9250/9255, ICM20608/20609/20689, ICM20602/ICM20690
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, ICM20602/ICM20690 and
IAM20680 motion tracking devices over SPI.
MPU6500/6515/6880/9250/9255, ICM20608/20609/20689, ICM20602/ICM20690
and IAM20680 motion tracking devices over SPI.
This driver can be built as a module. The module will be called
inv-mpu6050-spi.

9
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
View File

@ -160,6 +160,14 @@ static const struct inv_mpu6050_hw hw_info[] = {
.fifo_size = 512,
.temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_MPU6880_WHOAMI_VALUE,
.name = "MPU6880",
.reg = &reg_set_6500,
.config = &chip_config_6500,
.fifo_size = 4096,
.temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_MPU6000_WHOAMI_VALUE,
.name = "MPU6000",
@ -1323,6 +1331,7 @@ static int inv_check_and_setup_chip(struct inv_mpu6050_state *st)
case INV_MPU6000:
case INV_MPU6500:
case INV_MPU6515:
case INV_MPU6880:
case INV_MPU9250:
case INV_MPU9255:
/* reset signal path (required for spi connection) */

5
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
View File

@ -177,6 +177,7 @@ static const struct i2c_device_id inv_mpu_id[] = {
{"mpu6050", INV_MPU6050},
{"mpu6500", INV_MPU6500},
{"mpu6515", INV_MPU6515},
{"mpu6880", INV_MPU6880},
{"mpu9150", INV_MPU9150},
{"mpu9250", INV_MPU9250},
{"mpu9255", INV_MPU9255},
@ -204,6 +205,10 @@ static const struct of_device_id inv_of_match[] = {
.compatible = "invensense,mpu6515",
.data = (void *)INV_MPU6515
},
{
.compatible = "invensense,mpu6880",
.data = (void *)INV_MPU6880
},
{
.compatible = "invensense,mpu9150",
.data = (void *)INV_MPU9150

2
drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
View File

@ -70,6 +70,7 @@ enum inv_devices {
INV_MPU6050,
INV_MPU6500,
INV_MPU6515,
INV_MPU6880,
INV_MPU6000,
INV_MPU9150,
INV_MPU9250,
@ -373,6 +374,7 @@ struct inv_mpu6050_state {
#define INV_MPU6000_WHOAMI_VALUE 0x68
#define INV_MPU6050_WHOAMI_VALUE 0x68
#define INV_MPU6500_WHOAMI_VALUE 0x70
#define INV_MPU6880_WHOAMI_VALUE 0x78
#define INV_MPU9150_WHOAMI_VALUE 0x68
#define INV_MPU9250_WHOAMI_VALUE 0x71
#define INV_MPU9255_WHOAMI_VALUE 0x73

5
drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
View File

@ -70,6 +70,7 @@ static const struct spi_device_id inv_mpu_id[] = {
{"mpu6000", INV_MPU6000},
{"mpu6500", INV_MPU6500},
{"mpu6515", INV_MPU6515},
{"mpu6880", INV_MPU6880},
{"mpu9250", INV_MPU9250},
{"mpu9255", INV_MPU9255},
{"icm20608", INV_ICM20608},
@ -96,6 +97,10 @@ static const struct of_device_id inv_of_match[] = {
.compatible = "invensense,mpu6515",
.data = (void *)INV_MPU6515
},
{
.compatible = "invensense,mpu6880",
.data = (void *)INV_MPU6880
},
{
.compatible = "invensense,mpu9250",
.data = (void *)INV_MPU9250