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iio: imu: inv_mpu6050: add defines for supporting 9-axis chips 

Add registers defines required for driving chip i2c master ip.
Add MPU9xxx magnetometer scan elements and update data bytes size.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jean-Baptiste Maneyrol 2019-09-16 09:42:02 +00:00 committed by Jonathan Cameron
parent 5ffd024838
commit 68fd019b89
1 changed files with 54 additions and 2 deletions
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56
drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
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@ -164,9 +164,41 @@ struct inv_mpu6050_state {
#define INV_MPU6050_REG_ACCEL_CONFIG 0x1C
#define INV_MPU6050_REG_FIFO_EN 0x23
#define INV_MPU6050_BIT_SLAVE_0 0x01
#define INV_MPU6050_BIT_SLAVE_1 0x02
#define INV_MPU6050_BIT_SLAVE_2 0x04
#define INV_MPU6050_BIT_ACCEL_OUT 0x08
#define INV_MPU6050_BITS_GYRO_OUT 0x70
#define INV_MPU6050_REG_I2C_MST_CTRL 0x24
#define INV_MPU6050_BITS_I2C_MST_CLK_400KHZ 0x0D
#define INV_MPU6050_BIT_I2C_MST_P_NSR 0x10
#define INV_MPU6050_BIT_SLV3_FIFO_EN 0x20
#define INV_MPU6050_BIT_WAIT_FOR_ES 0x40
#define INV_MPU6050_BIT_MULT_MST_EN 0x80
/* control I2C slaves from 0 to 3 */
#define INV_MPU6050_REG_I2C_SLV_ADDR(_x) (0x25 + 3 * (_x))
#define INV_MPU6050_BIT_I2C_SLV_RNW 0x80
#define INV_MPU6050_REG_I2C_SLV_REG(_x) (0x26 + 3 * (_x))
#define INV_MPU6050_REG_I2C_SLV_CTRL(_x) (0x27 + 3 * (_x))
#define INV_MPU6050_BIT_SLV_GRP 0x10
#define INV_MPU6050_BIT_SLV_REG_DIS 0x20
#define INV_MPU6050_BIT_SLV_BYTE_SW 0x40
#define INV_MPU6050_BIT_SLV_EN 0x80
/* I2C master delay register */
#define INV_MPU6050_REG_I2C_SLV4_CTRL 0x34
#define INV_MPU6050_BITS_I2C_MST_DLY(_x) ((_x) & 0x1F)
#define INV_MPU6050_REG_I2C_MST_STATUS 0x36
#define INV_MPU6050_BIT_I2C_SLV0_NACK 0x01
#define INV_MPU6050_BIT_I2C_SLV1_NACK 0x02
#define INV_MPU6050_BIT_I2C_SLV2_NACK 0x04
#define INV_MPU6050_BIT_I2C_SLV3_NACK 0x08
#define INV_MPU6050_REG_INT_ENABLE 0x38
#define INV_MPU6050_BIT_DATA_RDY_EN 0x01
#define INV_MPU6050_BIT_DMP_INT_EN 0x02
@ -179,6 +211,18 @@ struct inv_mpu6050_state {
#define INV_MPU6050_BIT_FIFO_OVERFLOW_INT 0x10
#define INV_MPU6050_BIT_RAW_DATA_RDY_INT 0x01
#define INV_MPU6050_REG_EXT_SENS_DATA 0x49
/* I2C slaves data output from 0 to 3 */
#define INV_MPU6050_REG_I2C_SLV_DO(_x) (0x63 + (_x))
#define INV_MPU6050_REG_I2C_MST_DELAY_CTRL 0x67
#define INV_MPU6050_BIT_I2C_SLV0_DLY_EN 0x01
#define INV_MPU6050_BIT_I2C_SLV1_DLY_EN 0x02
#define INV_MPU6050_BIT_I2C_SLV2_DLY_EN 0x04
#define INV_MPU6050_BIT_I2C_SLV3_DLY_EN 0x08
#define INV_MPU6050_BIT_DELAY_ES_SHADOW 0x80
#define INV_MPU6050_REG_USER_CTRL 0x6A
#define INV_MPU6050_BIT_FIFO_RST 0x04
#define INV_MPU6050_BIT_DMP_RST 0x08
@ -206,6 +250,9 @@ struct inv_mpu6050_state {
#define INV_MPU6050_BYTES_PER_3AXIS_SENSOR 6
#define INV_MPU6050_FIFO_COUNT_BYTE 2
/* MPU9X50 9-axis magnetometer */
#define INV_MPU9X50_BYTES_MAGN 7
/* ICM20602 FIFO samples include temperature readings */
#define INV_ICM20602_BYTES_PER_TEMP_SENSOR 2
@ -233,8 +280,8 @@ struct inv_mpu6050_state {
#define INV_ICM20602_TEMP_OFFSET 8170
#define INV_ICM20602_TEMP_SCALE 3060
/* 6 + 6 round up and plus 8 */
#define INV_MPU6050_OUTPUT_DATA_SIZE 24
/* 6 + 6 + 7 (for MPU9x50) = 19 round up to 24 and plus 8 */
#define INV_MPU6050_OUTPUT_DATA_SIZE 32
#define INV_MPU6050_REG_INT_PIN_CFG 0x37
#define INV_MPU6050_ACTIVE_HIGH 0x00
@ -283,6 +330,11 @@ enum inv_mpu6050_scan {
INV_MPU6050_SCAN_GYRO_Y,
INV_MPU6050_SCAN_GYRO_Z,
INV_MPU6050_SCAN_TIMESTAMP,
INV_MPU9X50_SCAN_MAGN_X = INV_MPU6050_SCAN_GYRO_Z + 1,
INV_MPU9X50_SCAN_MAGN_Y,
INV_MPU9X50_SCAN_MAGN_Z,
INV_MPU9X50_SCAN_TIMESTAMP,
};
/* scan element definition for ICM20602, which includes temperature */