On 31-08-2026 15:12, Kuldeep Singh wrote: > Qualcomm platforms with a discrete TPM (dTPM) talked to it directly over > a non-secure SPI channel from the kernel. Arm's Base Boot Security > Requirements (BBSR) v1.4 require that access to go through TrustZone > instead, so on affected Qualcomm platforms the TPM 2.0 instance is now > fronted by a Trusted Application (TA) running inside Qualcomm's Trusted > Execution Environment (QTEE), which talks to the dTPM (or implements an > fTPM) on the kernel's behalf. > > This series adds a kernel driver for that TA, built on the QCOMTEE > object-IPC transport (drivers/tee/qcomtee/) already used to reach other > QTEE services. > > This patch series functionally depends on below(patch 5/6 specifically) > for qtee service discovery. > - > https://lore.kernel.org/lkml/20260722-qcom_uefisecapp_migrate_qcomtee-v2-0-b8a8fcbe4...@oss.qualcomm.com/ > > Tested on Glymur-crd target with tpm2-tools utility. > > Validations: > - Get capabilities > - Random number generator > - RSA key creation, encryption and decryption. > > Signed-off-by: Kuldeep Singh <[email protected]>
Sent v2 for this series. https://lore.kernel.org/linux-arm-msm/[email protected]/ Regards Kuldeep
