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[79.136.85.3]) by smtp.gmail.com with ESMTPSA id m17sm205621lfh.288.2021.06.16.03.37.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Jun 2021 03:37:11 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, op-tee@lists.trustedfirmware.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org Cc: Jerome Forissier , Etienne Carriere , Sumit Garg , Vincent Guittot , Rob Herring , Jonathan Corbet , Ard Biesheuvel , Marc Zyngier , Jens Wiklander Subject: [PATCH v2 2/7] dt-bindings: arm: Convert optee binding to json-schema Date: Wed, 16 Jun 2021 12:36:44 +0200 Message-Id: <20210616103649.2662395-3-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210616103649.2662395-1-jens.wiklander@linaro.org> References: <20210616103649.2662395-1-jens.wiklander@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210616_033713_075465_90EC01E5 X-CRM114-Status: GOOD ( 18.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Converts the optee binding to use DT schema format. Signed-off-by: Jens Wiklander Reviewed-by: Rob Herring --- .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ------------ .../arm/firmware/linaro,optee-tz.yaml | 49 +++++++++++++++++++ 2 files changed, 49 insertions(+), 31 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt deleted file mode 100644 index d38834c67dff..000000000000 --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt +++ /dev/null @@ -1,31 +0,0 @@ -OP-TEE Device Tree Bindings - -OP-TEE is a piece of software using hardware features to provide a Trusted -Execution Environment. The security can be provided with ARM TrustZone, but -also by virtualization or a separate chip. - -We're using "linaro" as the first part of the compatible property for -the reference implementation maintained by Linaro. - -* OP-TEE based on ARM TrustZone required properties: - -- compatible : should contain "linaro,optee-tz" - -- method : The method of calling the OP-TEE Trusted OS. Permitted - values are: - - "smc" : SMC #0, with the register assignments specified - in drivers/tee/optee/optee_smc.h - - "hvc" : HVC #0, with the register assignments specified - in drivers/tee/optee/optee_smc.h - - - -Example: - firmware { - optee { - compatible = "linaro,optee-tz"; - method = "smc"; - }; - }; diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml new file mode 100644 index 000000000000..c931b030057f --- /dev/null +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OP-TEE Device Tree Bindings + +maintainers: + - Jens Wiklander + +description: | + OP-TEE is a piece of software using hardware features to provide a Trusted + Execution Environment. The security can be provided with ARM TrustZone, but + also by virtualization or a separate chip. + +properties: + $nodename: + const: optee + compatible: + oneOf: + - description: + We're using "linaro" as the first part of the compatible property + for the reference implementation maintained by Linaro. + const: linaro,optee-tz + + method: + description: The method of calling the OP-TEE Trusted OS. + $ref: /schemas/types.yaml#/definitions/string-array + oneOf: + - description: | + SMC #0, with the register assignments specified in + in drivers/tee/optee/optee_smc.h + const: smc + - description: | + HVC #0, with the register assignments specified in + in drivers/tee/optee/optee_smc.h + const: hvc + +additionalProperties: false + +examples: + - | + firmware { + optee { + compatible = "linaro,optee-tz"; + method = "smc"; + }; + };