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drivers: i2s: add sai support for stm32h7rs #93317

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This PR enables SAI on STM32H7RS series by:

  1. Enabling GPDMA1 (mandatory for SAI)
  2. Adding SAI1 A & B nodes
  3. Adding nucleo_h7s3l8 in samples/drivers/i2s/output
Screenshot 2025-07-18 at 12 56 06

This PR adds gpdma node on stm32h7rs series

Signed-off-by: Mario Paja <[email protected]>
@mariopaja mariopaja changed the title dts: st: h7rs: add SAI1 node dts: st: h7rs: add sai support Jul 18, 2025
@mariopaja mariopaja changed the title dts: st: h7rs: add sai support drivers: i2s: add sai support for stm32h7rs Jul 18, 2025
@mariopaja mariopaja mentioned this pull request Jul 17, 2025
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@erwango
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erwango commented Jul 18, 2025

@FRASTM Are you aware about other PR enabling GPDMA on H7RS ?

Define SAI1 A & B nodes for STM32H7RS series

Signed-off-by: Mario Paja <[email protected]>
Add Nucleo H7S3L8 board in samples/drivers/i2s/output

Signed-off-by: Mario Paja <[email protected]>
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