[nrf fromlist] drivers: audio: dmic_nrfx: Add support for nRF54H20 #2280
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mstasiaknordic
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kl-cruz
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nika-nordic
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Added pdm0 node to nrf54h20 devicetree with proper bindings. Upstream PR #: 81588 Signed-off-by: Michał Stasiak <[email protected]>
Added support for DMM in PDM drivers in order to use it with nRF54H20. Upstream PR #: 81588 Signed-off-by: Michał Stasiak <[email protected]>
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PDM driver can now be used on nRF54H20. It required an addition of DMM mechanism and minor changes to clock management,
nRF54H20 does not require clock control in case of PDM driver.
Currently, product specification for nRF54H20 PDM does not provide fully correct formula to calculate PDM clock frequency, thus master clock source frequency has to be passed as 8 MHz to ensure proper driver behavior. To be corrected and removed once correct formula is found.