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ot_spi_device: Implement the TPM mode #249

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Merged
merged 2 commits into from
Oct 29, 2025
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ot_spi_device: Implement the TPM mode #249

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ecfb423
[ot] hw/opentitan: ot_spi_device: Update the SRAM definition
engdoreis Oct 17, 2025
681ac0d
[ot] hw/opentitan: ot_spi_device: Implement the tpm mode
engdoreis Oct 15, 2025
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4 changes: 3 additions & 1 deletion docs/opentitan/spi_device.md
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Expand Up @@ -17,7 +17,9 @@ This mode is not yet supported.

### TPM

This mode is not supported.
This mode is partially supported, TPM commands handled by hw are not supported yet. The CharDev
protocol doesn't support a distinct chip select for TPM, therefore it is sharing the same CS with
the other modes. If CS is asserted and TPM is enabled, then it will have priority.

## Connection with a SPI Host

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