From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933357AbdCJPMB (ORCPT ); Fri, 10 Mar 2017 10:12:01 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:36992 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755418AbdCJPL5 (ORCPT ); Fri, 10 Mar 2017 10:11:57 -0500 From: Jens Wiklander To: Greg Kroah-Hartman , Arnd Bergmann , Olof Johansson , Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Al Viro , jean-michel.delorme@st.com, emmanuel.michel@st.com, javier@javigon.com, Jason Gunthorpe , Mark Rutland , Michal Simek , Rob Herring , Will Deacon , Nishanth Menon , "Andrew F . Davis" , broonie@kernel.org, scott.branden@broadcom.com, Loic PALLARDY , Etienne CARRIERE , Benjamin GAIGNARD , Patrice CHOTARD , Christophe PRIOUZEAU , Eric FINCO , Franck ALBESA , Wei Xu , Jens Wiklander Subject: [PATCH v16 1/5] dt/bindings: add bindings for optee Date: Fri, 10 Mar 2017 16:11:39 +0100 Message-Id: <1489158703-22241-2-git-send-email-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1489158703-22241-1-git-send-email-jens.wiklander@linaro.org> References: <1489158703-22241-1-git-send-email-jens.wiklander@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduces linaro prefix and adds bindings for ARM TrustZone based OP-TEE implementation. Acked-by: Rob Herring Signed-off-by: Jens Wiklander --- .../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 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 000000000000..d38834c67dff --- /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 ec0bfb9bbebd..e18a96cf7c3a 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -168,6 +168,7 @@ lego LEGO Systems A/S lenovo Lenovo Group Ltd. lg LG Corporation licheepi Lichee Pi +linaro Linaro Limited linux Linux-specific binding lltc Linear Technology Corporation lsi LSI Corp. (LSI Logic) -- 2.7.4