Message ID | 20180903144711.31585-8-jens.wiklander@linaro.org |
---|---|
State | Superseded |
Headers | show |
Series | AVB using OP-TEE | expand |
On 3 September 2018 at 16:46, Jens Wiklander <jens.wiklander@linaro.org> wrote: > Sync with c8bfafb15944 ("dt/bindings: add bindings for optee") > from Linux kernel. > > Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE > implementation. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > --- > .../firmware/linaro,optee-tz.txt | 31 +++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 doc/device-tree-bindings/firmware/linaro,optee-tz.txt Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/doc/device-tree-bindings/firmware/linaro,optee-tz.txt b/doc/device-tree-bindings/firmware/linaro,optee-tz.txt new file mode 100644 index 000000000000..d38834c67dff --- /dev/null +++ b/doc/device-tree-bindings/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"; + }; + };
Sync with c8bfafb15944 ("dt/bindings: add bindings for optee") from Linux kernel. Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE implementation. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> --- .../firmware/linaro,optee-tz.txt | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 doc/device-tree-bindings/firmware/linaro,optee-tz.txt -- 2.17.1