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| author | Jens Wiklander <jens.wiklander@linaro.org> | 2015-05-21 05:47:09 (GMT) |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-05-23 03:03:13 (GMT) |
| commit | 1825db61b9061e6e2577f228ed71978c1381811d (patch) | |
| tree | d76557a3cdbbc3d0b7b85320751107dd789a4f79 /Documentation | |
| parent | 58cd97ff374b7c6c39c9a78595a5eb75a56a08ac (diff) | |
| download | linux-1825db61b9061e6e2577f228ed71978c1381811d.tar.xz | |
dt/bindings: add bindings for optee
Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE
implementation.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
(cherry picked from commit c8bfafb1594435889b571b79325011e8b7fd087b)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Conflicts:
Documentation/devicetree/bindings/vendor-prefixes.txt
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt | 31 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt new file mode 100644 index 0000000..d38834c --- /dev/null +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt @@ -0,0 +1,31 @@ +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/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index f0a48ea..6ab5d04 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -155,6 +155,7 @@ lacie LaCie lantiq Lantiq Semiconductor lenovo Lenovo Group Ltd. lg LG Corporation +linaro Linaro Limited linux Linux-specific binding lltc Linear Technology Corporation lsi LSI Corp. (LSI Logic) |