Message ID | 1454318140-7962-2-git-send-email-jens.wiklander@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Feb 01, 2016 at 10:15:37AM +0100, Jens Wiklander wrote: > Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE > implementation. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > --- > .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ++++++++++++++++++++++ > .../devicetree/bindings/vendor-prefixes.txt | 1 + > 2 files changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt Acked-by: Rob Herring <robh@kernel.org>
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..7fd7e3e --- /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 porperty 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 72e2c5a..0c1e2f2 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -130,6 +130,7 @@ lacie LaCie lantiq Lantiq Semiconductor lenovo Lenovo Group Ltd. lg LG Corporation +linaro Linaro Limited linux Linux-specific binding lsi LSI Corp. (LSI Logic) lltc Linear Technology Corporation
Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE implementation. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> --- .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ++++++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + 2 files changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt