| * QSEECOM (QTI Secure Execution Environment Communicator) |
| |
| Required properties: |
| - compatible : Should be "qcom,qseecom" |
| - reg : should contain memory region address reserved for loading secure apps. |
| - qcom,disk-encrypt-pipe-pair : indicates what CE HW pipe pair is used for disk encryption |
| - qcom,file-encrypt-pipe-pair : indicates what CE HW pipe pair is used for file encryption |
| - qcom,support-multiple-ce-hw-instance : indicates if multicore CE support is supported. |
| - qcom,hlos-num-ce-hw-instances : indicates number of CE HW instances hlos can use. |
| - qcom,hlos-ce-hw-instance : indicates what CE HW is used by HLOS crypto driver |
| - qcom,qsee-ce-hw-instance : indicates what CE HW is used by secure domain (TZ) crypto driver |
| - qcom, msm_bus,name: Should be "qseecom-noc" |
| - qcom, msm_bus,num_cases: Depends on the use cases for bus scaling |
| - qcom, msm_bus,num_paths: The paths for source and destination ports |
| - qcom, msm_bus,vectors: Vectors for bus topology. |
| - qcom,ce-opp-freq: indicates the CE operating frequency in Hz, changes from target to target. |
| - qcom,full-disk-encrypt-info : Vectors defining full disk encryption unit, crypto engine, pipe pair configuration in <unit#, ce#, pipe-pair#> |
| - qcom,per-file-encrypt-info : Vectors defining per file encryption unit, crypto engine, pipe pair configuration in <unit#, ce#, pipe-pair#> |
| |
| Optional properties: |
| - qcom,support-bus-scaling : indicates if driver support scaling the bus for crypto operation. |
| - qcom,support-fde : indicates if driver support key managing for full disk encryption feature. |
| - qcom,support-pfe : indicates if driver support key managing for per file encryption feature. |
| - qcom,no-clock-support : indicates clocks are not handled by qseecom (could be handled by RPM) |
| - qcom,appsbl-qseecom-support : indicates if there is qseecom support in appsbootloader |
| - vdd-hba-supply : handle for fixed power regulator |
| - qcom,qsee-reentrancy-support: indicates the qsee reentrancy phase supported by the target |
| - qcom,commonlib64-loaded-by-uefi: indicates commonlib64 is loaded by uefi already |
| - qcom,fde-key-size: indicates which FDE key size is used in device. |
| |
| Example: |
| qcom,qseecom@fe806000 { |
| compatible = "qcom,qseecom"; |
| reg = <0x7f00000 0x500000>; |
| reg-names = "secapp-region"; |
| qcom,disk-encrypt-pipe-pair = <2>; |
| qcom,file-encrypt-pipe-pair = <0>; |
| qcom,support-multiple-ce-hw-instance; |
| qcom,hlos-num-ce-hw-instances = <2>; |
| qcom,hlos-ce-hw-instance = <1 2>; |
| qcom,qsee-ce-hw-instance = <0>; |
| qcom,support-fde; |
| qcom,support-pfe; |
| qcom,msm_bus,name = "qseecom-noc"; |
| qcom,msm_bus,num_cases = <4>; |
| qcom,msm_bus,active_only = <0>; |
| qcom,msm_bus,num_paths = <1>; |
| qcom,no-clock-support; |
| qcom,appsbl-qseecom-support; |
| qcom,fde-key-size; |
| qcom,msm_bus,vectors = |
| <55 512 0 0>, |
| <55 512 3936000000 393600000>, |
| <55 512 3936000000 393600000>, |
| <55 512 3936000000 393600000>; |
| qcom,ce-opp-freq = <100000000>; |
| vdd-hba-supply = <&gdsc_ufs>; |
| }; |
| |
| Example: The following dts setup is the same as the example above. |
| |
| qcom,qseecom@fe806000 { |
| compatible = "qcom,qseecom"; |
| reg = <0x7f00000 0x500000>; |
| reg-names = "secapp-region"; |
| qcom,support-fde; |
| qcom,full-disk-encrypt-info = <0 1 2>, <0 2 2>; |
| qcom,support-pfe; |
| qcom,per-file-encrypt-info = <0 1 0>, <0 2 0>; |
| qcom,qsee-ce-hw-instance = <0>; |
| qcom,msm_bus,name = "qseecom-noc"; |
| qcom,msm_bus,num_cases = <4>; |
| qcom,msm_bus,active_only = <0>; |
| qcom,msm_bus,num_paths = <1>; |
| qcom,no-clock-support; |
| qcom,appsbl-qseecom-support; |
| qcom,fde-key-size; |
| qcom,msm_bus,vectors = |
| <55 512 0 0>, |
| <55 512 3936000000 393600000>, |
| <55 512 3936000000 393600000>, |
| <55 512 3936000000 393600000>; |
| qcom,ce-opp-freq = <100000000>; |
| vdd-hba-supply = <&gdsc_ufs>; |
| }; |