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drivers: i2c: stm32 driver V2 new timing calculation #59815

Merged
merged 4 commits into from
Jun 12, 2024
Merged

drivers: i2c: stm32 driver V2 new timing calculation #59815

merged 4 commits into from
Jun 12, 2024

Commits on Jun 11, 2024

  1. drivers: i2c: stm32 driver V2 new timing calculation 

    This PR is implementing a new formula to calculate the I2C timing
value from the I2C clock source and the bit rate.
This is done under flag CONFIG_I2C_STM32_V2_TIMING.

Signed-off-by: Francois Ramu <[email protected]>
    @FRASTM
    FRASTM committed Jun 11, 2024
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  2. drivers: i2c: stm32 I2C v2 driver fix compliance with a Macro 

    Define Macro to fix the compliance check warning :
"DEEP_INDENTATION: Too many leading tabs - consider code refactoring
in the i2c_compute_scll_sclh() function
in the i2c_compute_presc_scldel_sdadel() function

Signed-off-by: Francois Ramu <[email protected]>
    @FRASTM
    FRASTM committed Jun 11, 2024
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  3. drivers: i2c: stm32 for V2 driver get_config with timings 

    Change the get_config API for the stm32 I2C V2 driver.
It will also return the value of the content of TIMING register
for the I2C V2 bus.
This is hold by a i2c_config_timing structure of the device data

Signed-off-by: Francois Ramu <[email protected]>
    @FRASTM
    FRASTM committed Jun 11, 2024
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  4. samples: boards: stm32 I2C config and gives V2 timing calculation 

    This sample reports the I2C configuration of the selected I2C node
from the board DTS : bitrate property of the I2C node
In case of I2C V2, it also gives the TIMINGS which has to be written
in the DTS <timings> property of the I2C V2 node.
Uses the i2c_get_config function with CONFIG_I2C_STM32_V2_TIMING.

Signed-off-by: Francois Ramu <[email protected]>
    @FRASTM
    FRASTM committed Jun 11, 2024
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