Commit 68fd019b authored by Jean-Baptiste Maneyrol's avatar Jean-Baptiste Maneyrol Committed by Jonathan Cameron
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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: default avatarJean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 5ffd0248

drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h

+54 −2
Original line number Diff line number Diff line
@@ -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 */

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