Add bindings for the Qualcomm Trusted Execution Environment (TrEE) UEFI Secure application (uefisecapp) client. Signed-off-by: Maximilian Luz <luzmaximilian@xxxxxxxxx> --- .../firmware/qcom,tee-uefisecapp.yaml | 38 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/qcom,tee-uefisecapp.yaml diff --git a/Documentation/devicetree/bindings/firmware/qcom,tee-uefisecapp.yaml b/Documentation/devicetree/bindings/firmware/qcom,tee-uefisecapp.yaml new file mode 100644 index 000000000000..9e5de1005d5c --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/qcom,tee-uefisecapp.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Trusted Execution Environment UEFI Secure Application + +maintainers: + - Maximilian Luz <luzmaximilian@xxxxxxxxx> + +description: | + Various Qualcomm SoCs do not allow direct access to UEFI variables. Instead, + these need to be accessed via the UEFI Secure Application (uefisecapp), + residing in the Trusted Execution Environment (TrEE). These bindings mark the + presence of uefisecapp and allow the respective client driver to load and + install efivar operations, providing the kernel with access to UEFI + variables. + +properties: + compatible: + const: qcom,tee-uefisecapp + +required: + - compatible + +additionalProperties: false + +examples: + - | + firmware { + scm { + compatible = "qcom,scm-sc8180x", "qcom,scm"; + }; + tee-uefisecapp { + compatible = "qcom,tee-uefisecapp"; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 6e014e16fc82..00436245189d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16607,6 +16607,7 @@ QUALCOMM UEFISECAPP DRIVER M: Maximilian Luz <luzmaximilian@xxxxxxxxx> L: linux-arm-msm@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/firmware/qcom,tee-uefisecapp.yaml F: drivers/firmware/qcom_tee_uefisecapp.c QUALCOMM VENUS VIDEO ACCELERATOR DRIVER -- 2.37.1
