Commit 26b2ec2e authored by Nikita Yushchenko's avatar Nikita Yushchenko Committed by Jonathan Cameron
Browse files

iio: st_sensors: don't always auto-enable I2C and SPI interface drivers 



This patch makes I2C and SPI interface drivers for STMicroelectronics
sensor chips individually selectable via Kconfig.

The default is kept unchanged - I2C and SPI interface drivers are still
selected by default if the corresponding bus support is available.

However, the patch makes it possible to explicitly disable drivers
that are not needed for a particular target.

Signed-off-by: default avatarNikita Yushchenko <nikita.yoush@cogentembedded.com>
Acked-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220110152432.3799227-1-nikita.yoush@cogentembedded.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 2553340b

drivers/iio/accel/Kconfig

+20 −15
Original line number Diff line number Diff line
@@ -349,8 +349,6 @@ config IIO_ST_ACCEL_3AXIS 
	depends on !SENSORS_LIS3_I2C

	depends on !SENSORS_LIS3_SPI

	select IIO_ST_SENSORS_CORE

	select IIO_ST_ACCEL_I2C_3AXIS if (I2C)

	select IIO_ST_ACCEL_SPI_3AXIS if (SPI_MASTER)

	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)

	help

	  Say yes here to build support for STMicroelectronics accelerometers:
@@ -358,23 +356,30 @@ config IIO_ST_ACCEL_3AXIS 
	  LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL,

	  LNG2DM, LIS3DE, LIS2DE12, LIS2HH12



	  This driver can also be built as a module. If so, these modules

	  will be created:

	  - st_accel (core functions for the driver [it is mandatory]);

	  - st_accel_i2c (necessary for the I2C devices [optional*]);

	  - st_accel_spi (necessary for the SPI devices [optional*]);



	  (*) one of these is necessary to do something.

	  Also need to enable at least one of I2C and SPI interface drivers

	  below.



config IIO_ST_ACCEL_I2C_3AXIS

	tristate

	depends on IIO_ST_ACCEL_3AXIS

	depends on IIO_ST_SENSORS_I2C

	tristate "STMicroelectronics accelerometers 3-Axis I2C Interface"

	depends on I2C && IIO_ST_ACCEL_3AXIS

	default I2C && IIO_ST_ACCEL_3AXIS

	select IIO_ST_SENSORS_I2C

	help

	  Build support for STMicroelectronics accelerometers I2C interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_accel_i2c.



config IIO_ST_ACCEL_SPI_3AXIS

	tristate

	depends on IIO_ST_ACCEL_3AXIS

	depends on IIO_ST_SENSORS_SPI

	tristate "STMicroelectronics accelerometers 3-Axis SPI Interface"

	depends on SPI_MASTER && IIO_ST_ACCEL_3AXIS

	default SPI_MASTER && IIO_ST_ACCEL_3AXIS

	select IIO_ST_SENSORS_SPI

	help

	  Build support for STMicroelectronics accelerometers SPI interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_accel_spi.



config KXSD9

	tristate "Kionix KXSD9 Accelerometer Driver"

drivers/iio/common/st_sensors/Kconfig

+0 −2
Original line number Diff line number Diff line
@@ -13,5 +13,3 @@ config IIO_ST_SENSORS_SPI 


config IIO_ST_SENSORS_CORE

	tristate
 
	select IIO_ST_SENSORS_I2C if I2C

	select IIO_ST_SENSORS_SPI if SPI_MASTER

drivers/iio/gyro/Kconfig

+22 −15
Original line number Diff line number Diff line
@@ -139,30 +139,37 @@ config IIO_ST_GYRO_3AXIS 
	tristate "STMicroelectronics gyroscopes 3-Axis Driver"

	depends on (I2C || SPI_MASTER) && SYSFS

	select IIO_ST_SENSORS_CORE

	select IIO_ST_GYRO_I2C_3AXIS if (I2C)

	select IIO_ST_GYRO_SPI_3AXIS if (SPI_MASTER)

	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)

	help

	  Say yes here to build support for STMicroelectronics gyroscopes:

	  L3G4200D, LSM330DL, L3GD20, LSM330DLC, L3G4IS, LSM330, LSM9DS0.



	  This driver can also be built as a module. If so, these modules

	  will be created:

	  - st_gyro (core functions for the driver [it is mandatory]);

	  - st_gyro_i2c (necessary for the I2C devices [optional*]);

	  - st_gyro_spi (necessary for the SPI devices [optional*]);



	  (*) one of these is necessary to do something.

	  Also need to enable at least one of I2C and SPI interface drivers

	  below.



config IIO_ST_GYRO_I2C_3AXIS

	tristate

	depends on IIO_ST_GYRO_3AXIS

	depends on IIO_ST_SENSORS_I2C

	tristate "STMicroelectronics gyroscopes 3-Axis I2C Interface"

	depends on I2C && IIO_ST_GYRO_3AXIS

	default I2C && IIO_ST_GYRO_3AXIS

	select IIO_ST_SENSORS_I2C

	help

	  Build support for STMicroelectronics gyroscopes I2C interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_gyro_i2c.





config IIO_ST_GYRO_SPI_3AXIS

	tristate

	depends on IIO_ST_GYRO_3AXIS

	depends on IIO_ST_SENSORS_SPI

	tristate "STMicroelectronics gyroscopes 3-Axis SPI Interface"

	depends on SPI_MASTER && IIO_ST_GYRO_3AXIS

	default SPI_MASTER && IIO_ST_GYRO_3AXIS

	select IIO_ST_SENSORS_SPI

	help

	  Build support for STMicroelectronics gyroscopes SPI interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_gyro_spi.





config ITG3200

	tristate "InvenSense ITG3200 Digital 3-Axis Gyroscope I2C driver"

drivers/iio/imu/st_lsm9ds0/Kconfig

+22 −6
Original line number Diff line number Diff line
@@ -5,8 +5,6 @@ config IIO_ST_LSM9DS0 
	depends on (I2C || SPI_MASTER) && SYSFS

	depends on !SENSORS_LIS3_I2C

	depends on !SENSORS_LIS3_SPI

	select IIO_ST_LSM9DS0_I2C if I2C

	select IIO_ST_LSM9DS0_SPI if SPI_MASTER

	select IIO_ST_ACCEL_3AXIS

	select IIO_ST_MAGN_3AXIS
@@ -17,12 +15,30 @@ config IIO_ST_LSM9DS0 
	  To compile this driver as a module, choose M here: the module

	  will be called st_lsm9ds0.



	  Also need to enable at least one of I2C and SPI interface drivers



config IIO_ST_LSM9DS0_I2C

	tristate

	depends on IIO_ST_LSM9DS0

	tristate "STMicroelectronics LSM9DS0 IMU I2C interface"

	depends on I2C && IIO_ST_LSM9DS0

	default I2C && IIO_ST_LSM9DS0

	select IIO_ST_ACCEL_I2C_3AXIS

	select IIO_ST_MAGN_I2C_3AXIS

	select REGMAP_I2C

	help

	  Build support for STMicroelectronics LSM9DS0 IMU I2C interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_lsm9ds0_i2c.



config IIO_ST_LSM9DS0_SPI

	tristate

	depends on IIO_ST_LSM9DS0

	tristate "STMicroelectronics LSM9DS0 IMU SPI interface"

	depends on SPI_MASTER && IIO_ST_LSM9DS0

	default SPI_MASTER && IIO_ST_LSM9DS0

	select IIO_ST_ACCEL_SPI_3AXIS

	select IIO_ST_MAGN_SPI_3AXIS

	select REGMAP_SPI

	help

	  Build support for STMicroelectronics LSM9DS0 IMU I2C interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_lsm9ds0_spi.

drivers/iio/magnetometer/Kconfig

+20 −15
Original line number Diff line number Diff line
@@ -117,30 +117,35 @@ config IIO_ST_MAGN_3AXIS 
	tristate "STMicroelectronics magnetometers 3-Axis Driver"

	depends on (I2C || SPI_MASTER) && SYSFS

	select IIO_ST_SENSORS_CORE

	select IIO_ST_MAGN_I2C_3AXIS if (I2C)

	select IIO_ST_MAGN_SPI_3AXIS if (SPI_MASTER)

	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)

	help

	  Say yes here to build support for STMicroelectronics magnetometers:

	  LSM303DLHC, LSM303DLM, LIS3MDL.



	  This driver can also be built as a module. If so, these modules

	  will be created:

	  - st_magn (core functions for the driver [it is mandatory]);

	  - st_magn_i2c (necessary for the I2C devices [optional*]);

	  - st_magn_spi (necessary for the SPI devices [optional*]);



	  (*) one of these is necessary to do something.

	  Also need to enable at least one of I2C and SPI interface drivers

	  below.



config IIO_ST_MAGN_I2C_3AXIS

	tristate

	depends on IIO_ST_MAGN_3AXIS

	depends on IIO_ST_SENSORS_I2C

	tristate "STMicroelectronics magnetometers 3-Axis I2C Interface"

	depends on I2C && IIO_ST_MAGN_3AXIS

	default I2C && IIO_ST_MAGN_3AXIS

	select IIO_ST_SENSORS_I2C

	help

	  Build support for STMicroelectronics magnetometers I2C interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_magn_i2c.



config IIO_ST_MAGN_SPI_3AXIS

	tristate

	depends on IIO_ST_MAGN_3AXIS

	depends on IIO_ST_SENSORS_SPI

	tristate "STMicroelectronics magnetometers 3-Axis SPI Interface"

	depends on SPI_MASTER && IIO_ST_MAGN_3AXIS

	default SPI_MASTER && IIO_ST_MAGN_3AXIS

	select IIO_ST_SENSORS_SPI

	help

	  Build support for STMicroelectronics magnetometers SPI interface.



	  To compile this driver as a module, choose M here. The module

	  will be called st_magn_spi.



config SENSORS_HMC5843

	tristate