On 08/19/2015 03:40 AM, Jens Wiklander wrote:
> Introduces optee prefix and adds bindings for ARM TrustZone based OP-TEE
> implementation.
>
> Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/optee/optee.txt | 17 +++++++++++++++++
How about bindings/arm/firmware/... where the *other* TZ binding is located.
> Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
> 2 files changed, 18 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/optee/optee.txt
>
> diff --git a/Documentation/devicetree/bindings/optee/optee.txt b/Documentation/devicetree/bindings/optee/optee.txt
> new file mode 100644
> index 0000000..4a6ff10
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/optee/optee.txt
> @@ -0,0 +1,17 @@
> +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. As there's no single OP-TEE
I don't see how the Linux side would not need to know what the
communication channel is whether it is smc, hvc, or something else.
> +vendor we're using "optee" as the first part of compatible property,
> +indicating the OP-TEE protocol is used when communicating with the secure
> +world.
> +
> +* OP-TEE based on ARM TrustZone required properties:
> +
> +- compatible="optee,optee-tz"
> +
> +Example:
> + optee {
> + compatible="optee,optee-tz";
> + };
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 8033919..17c2a7e 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -141,6 +141,7 @@ nvidia NVIDIA
> nxp NXP Semiconductors
> onnn ON Semiconductor Corp.
> opencores OpenCores.org
> +optee OP-TEE, Open Portable Trusted Execution Environment
> ortustech Ortus Technology Co., Ltd.
> ovti OmniVision Technologies
> panasonic Panasonic Corporation
>
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