v9.2.0-2026-06-19

What's Changed

• ot_spi_host: use an IP version to select emulation by @rivos-eblot in #303
• ot_usbdev: emulate frames and add support for transfer cancellation by @pamaury in #301
• tools: verilate.py: add a SPI device bridge (QEMU / Verilator) by @rivos-eblot in #294
• tools: rewrite swexit.py to use DV SIM window by @rivos-eblot in #304
• ot_spi_device: fix invalid IRQ signalling by @rivos-eblot in #296
• ot_darjeeling, ot_earlgrey: remove hard-coded clock definitions by @rivos-eblot in #305
• [ot] subprojects: oorandom: remove unused dependency by @pamaury in #331
• [ci] Fix the release workflow by @pamaury in #332

Full Changelog: v9.2.0-2025-12-01...v9.2.0-2026-06-19

v10.2.0-2026-06-14

What's Changed

• [ot] riscv: trace-events: remove unused ibex_gpio_combine_conflict trace by @jwnrt in #318
• [ot] util: fifo8: remove fifo8_consume_all API by @jwnrt in #316
• [ot] system: memory: remove unused mtree_print_as_{flatview,simple} APIs by @jwnrt in #317
• [ot] meson.build: options: re-enable -lundef by @jwnrt in #320
• [ot] target/riscv: csr: remove duplicate predicate check by @jwnrt in #319
• hw/riscv: Re-enable opentitan machine by @jwnrt in #321
• [ot] Fix EarlGrey GPIO DIRECT_OUT/DIRECT_OE readback by @moidx in #329
• [ot] hw/opentitan: ot_uart: model watermark/empty as status interrupts by @moidx in #328

New Contributors

• @moidx made their first contribution in #329

Full Changelog: v10.2.0-2026-01-15...v10.2.0-2026-06-14

v10.2.0-2026-01-15

What's Changed

• ot_spi_device Set WEL/BUSY bits in UPLOAD_CMD_FIFO by @amit-kumarh in #312
• [ot] subprojects: oorandom: remove unused dependency by @jwnrt in #315

New Contributors

• @amit-kumarh made their first contribution in #312

Full Changelog: v10.1.0-2025-12-09...v10.2.0-2026-01-15

v10.1.0-2025-12-09

Full Changelog: v9.2.0-2025-12-01...v10.1.0-2025-12-09

v9.2.0-2025-12-01

What's Changed

• ot_spi_device: implement missing CONTROL features. by @rivos-eblot in #297
• ot_usbdev: improve OUT transfers and introduce a weak form of scheduling by @pamaury in #299
• dm: Fix invalid reset release from non-DM reset assertion by @AlexJones0 in #298
• ot_spi_device: Maintain CSb across transactions if not released by @AlexJones0 in #300

Full Changelog: v9.2.0-2025-11-27...v9.2.0-2025-12-01

v9.2.0-2025-11-27

What's Changed

• dm: Fix / workaround issues with halts during & before resets by @AlexJones0 in #295

Full Changelog: v9.2.0-2025-11-24...v9.2.0-2025-11-27

v9.2.0-2025-11-24

What's Changed

• ot_eg_pad_ring: Add stubbed Earlgrey Padring with support for PoR signals by @AlexJones0 in #293
• ot_earlgrey: add JTAG support to LC Ctrl by @luismarques in #274

Full Changelog: v9.2.0-2025-11-18...v9.2.0-2025-11-24

v9.2.0-2025-11-18

What's Changed

• .github/workflows: eg_regression: fetch all OT commits by @jwnrt in #284
• Add passing SPI Device TPM and Passthrough tests by @ziuziakowska in #282
• ot_soc_dbg_ctrl: rewrite SoC debug controller implementation by @rivos-eblot in #278
• ot_gpio: Documented GPIO input forwarding command by @AlexJones0 in #288
• ot_flash: Allow reads of initialized PHY flash with an uninitialized flash_ctrl by @AlexJones0 in #285
• ot_spi_device: Implement HW registers for TPM mode by @engdoreis in #283
• ot_usbdev: fix assertion failure by @pamaury in #292
• Upgrade to LLVM 21 by @rivos-eblot in #289
• Add flake8 lint CI Job by @ziuziakowska in #286
• ot_usbdev: improve handling of bus resets by @pamaury in #290
• ot_spi_device: Fixes and buffer flip pacing delay adjustment by @AlexJones0 in #291

Full Changelog: v9.2.0-2025-11-10...v9.2.0-2025-11-18

v9.2.0-2025-11-10

What's Changed

• ot_spi_device: Fix register write issues by @AlexJones0 in #240
• sifive_plic: fix an old regression with lowered IRQs by @rivos-eblot in #245
• tools: autoreg.py: add initial handling of compact multireg by @rivos-eblot in #243
• ot_pwgmr: add initial support for CDC and upgrade support for multitop by @rivos-eblot in #242
• ot_usbdev: add initial host protocol and bus handling by @pamaury in #238
• ot_flash: Mark flash memory as dirty when written by @AlexJones0 in #246
• ot: fix CI format step by @pamaury in #248
• ot_present: fix ot_present_decrypt by @luismarques in #250
• ot_otp: perform partition descrambling in DAI by @luismarques in #252
• ci: Update Earlgrey test lists & add new regression run by @AlexJones0 in #251
• ot_spi_device: Adjust SPI device definitions by @pl-halfboy in #244
• tools: Fix unbound local in cfggen.py OTP error case by @AlexJones0 in #253
• tools: autoreg.py: Add a register split feature by @rivos-eblot in #256
• tools: otptool.py: add a new option to export comment VMEM files by @rivos-eblot in #261
• ot_otp: handle secret partition descrambling at OTP back-end load time by @rivos-eblot in #259
• tools: romtool.py: fix a bug with VMEM file parsing and add Digest report option. by @rivos-eblot in #262
• ot_otp: Add scrambling on DAI writes to secret partitions + REGWEN fixes by @AlexJones0 in #258
• ot_spi_device: Implement the TPM mode by @engdoreis in #249
• ot_entropy_src: unify implementations from EarlGrey and Darjeeling by @rivos-eblot in #257
• ot_otp: perform partition descrambling when loading tokens by @luismarques in #254
• ot_earlgrey: Leave hart disabled on reset by @AlexJones0 in #269
• ibex_csr: Fix non-vectored mtvec write behaviour by @AlexJones0 in #268
• ot_spi_device: Fix regression on the spi_flash by @engdoreis in #267
• ot_spi_device: discard all packets for a failed transaction by @jwnrt in #263
• ot_earlgrey: Stop disabling lc_ctrl state for Ibex by @AlexJones0 in #273
• ot_otp: unify implementations by @rivos-eblot in #272
• ot_darjeeling: update IRQ and Alert map by @rivos-eblot in #275
• ot_usbdev: Implementation data transfers by @pamaury in #270
• docs: fix typos and rewrap markdown text to 100 columns when possible. by @rivos-eblot in #276
• docs: update supported features and reorganize documentation by @rivos-eblot in #277
• ot_entropy_src: fix MMIO region mapping by @rivos-eblot in #279
• opentitan: add missing qemu/error-report.h header files by @rivos-eblot in #280
• ot_spi_device,ot_spi_host: Bugfix + Refactoring + Passthrough mode implementation by @ziuziakowska in #255
• ot_entropy_src: remove forgotten debug trace by @rivos-eblot in #281
• ot_lc_ctrl: Set LC_STATE to POST_TRANSITION after a transition by @luismarques in #260

New Contributors

• @pl-halfboy made their first contribution in #244
• @engdoreis made their first contribution in #249

Full Changelog: v9.2.0-2025-10-16...v9.2.0-2025-11-10

v9.2.0-2025-10-16

What's Changed

• tools: add git version to generated files when possible by @rivos-eblot in #223
• verilate: improve Verilator utility script by @rivos-eblot in #217
• ot_otp_dj: update OTP for Darjeeling machine by @rivos-eblot in #222
• ot_spi_device: fix formatting of comment length by @jwnrt in #226
• tools: fix Git subprocess error handling by @rivos-eblot in #227
• tools: verilate: improve invalid file detection and reporting by @rivos-eblot in #228
• [ot] scripts/opentitan: requirements.txt: redefine pylint version range by @rivos-eblot in #230
• hw/riscv: ot_darjeeling: add verilator machine property and clocks by @rivos-eblot in #233
• tools: python/qemu: ot.pyot.wrapper: simplify reported command line by @rivos-eblot in #231
• ot_i2c: Use matched address for ACQ start condition byte, not target address by @ziuziakowska in #229
• hw/core: loader.c: make generic loader image loadable at will by @rivos-eblot in #232
• tools: ot.pyot: fix typos and unmanaged error by @rivos-eblot in #236
• ot_ibex_wrapper: fix fatal SW alert signal by @AlexJones0 in #234
• tools: ot.otp.image: remove hard coded default OTP section. by @rivos-eblot in #235
• ot_i2c_host_proxy: implement device for external I2C communication by @ziuziakowska in #190

Full Changelog: v9.2.0-2025-10-09...v9.2.0-2025-10-16