b_u585i_iot02a: Enable I2C, HTS221 sensor and stop modes #39038
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Needs rebase |
Add i2c nodes for stm32u5 socs. Signed-off-by: Erwan Gouriou <[email protected]>
Enable i2c1 and i2c2 nodes on b_u585i_iot02a. i2c1 is used as Arduino I2C i2c2 is used as bus for HTS221 MEMS device. Signed-off-by: Erwan Gouriou <[email protected]>
Adapt lptim driver implementation to support stm32u5 series. Signed-off-by: Erwan Gouriou <[email protected]>
Provide lptim1 node for u5 series. Signed-off-by: Erwan Gouriou <[email protected]>
When existing stop mode 1&2, VCO is set to range 4 and should be set back to range 1 to allow full speed operations. Rather than setting VCO at startup, set it inside clock setting procedure so that it could done in clock reset procedure when existing stop modes. Signed-off-by: Erwan Gouriou <[email protected]>
Provide power modes implementation for u5 socs. For now STOP3 mode is not implemented as this mode is not compatible with LPTIM activation and hence cannot be used as a workable suspend to idle state using LPTIM as kernel tick source. Signed-off-by: Erwan Gouriou <[email protected]>
Provide configuration for "suspend to idle" states for b_u585i_iot02a target. Signed-off-by: Erwan Gouriou <[email protected]>
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@erwango What would you think about sharing these nice set_mode_* power helpers between STM32 series somehow? |
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@ycsin this cannot be backported as these are not bug fixes |
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This PR enables I2C, HTS221 sensor and stop modes on b_u585i_iot02a
To support low power use cases: