From patchwork Fri Nov 18 14:51:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Wiklander X-Patchwork-Id: 696622 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3tL1FW5rcrz9t3K for ; Sat, 19 Nov 2016 01:53:03 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="cq+uxoba"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752703AbcKROwq (ORCPT ); Fri, 18 Nov 2016 09:52:46 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:38869 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753888AbcKROwm (ORCPT ); Fri, 18 Nov 2016 09:52:42 -0500 Received: by mail-wm0-f45.google.com with SMTP id f82so42483319wmf.1 for ; Fri, 18 Nov 2016 06:52:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=RoDt2MB5EZjGNqNfmOo5JpAHiL5JGVYY4Y74L3ftVN8=; b=cq+uxobaMToj+zuviugGFvxoF84+voxqCrZbVxMY5HBwcMWC6TmOEQmq6/tQQcfRc5 tsSqlw4KHeAx2g1Wun3JRkIKBt453MwS9M2r7kLjmjRjPspEfqennCttz8IU2VuW6ZRF Z665tvnxIKuKEdoZaAynRaqvaM4C9kNm7YGig= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=RoDt2MB5EZjGNqNfmOo5JpAHiL5JGVYY4Y74L3ftVN8=; b=dENjBWOdZalEAR9oVn0nKZj5RDdtURhE5tzZX8B+w2cmW8n789dB+MJkfZrPzbM0Kj 5kJkj7XAvk9zMJIiz1RJSQNGzX6+RxVozrny6u2aOuTHje+qJz14ZcRsWOvnw0iuoOXM oYATalNCpQgKYTlkG914RS/o2NEnXC1Yqc0arEzJrh63yIKso072eyhHVHJOLN1byL3a qXYPGv4HkZNL1I5G6IXK/OW5sFBGGQPZCWR1LN0wa+K6ubzew6gi018bmg3u0bbl8/vY zKEpW59SFqhOKMeE0TAPO5tjLtE8ceYPx9Zzv3U3S4o7/VHSImTpBlpBjU11bZwhGIz2 43Kw== X-Gm-Message-State: AKaTC032Y7R1As60YrByefEv/U3f3iaqd+SXcXCCoXKuaym3gRPIkPwFpviDpeuA3zjQgham X-Received: by 10.46.5.136 with SMTP id 130mr69713ljf.36.1479480760895; Fri, 18 Nov 2016 06:52:40 -0800 (PST) Received: from ermac.ideon.se ([85.235.10.227]) by smtp.gmail.com with ESMTPSA id d79sm2327997lfd.46.2016.11.18.06.52.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 18 Nov 2016 06:52:40 -0800 (PST) From: Jens Wiklander To: Greg Kroah-Hartman , Arnd Bergmann , Olof Johansson , Andrew Morton , Wei Xu Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Al Viro , valentin.manea@huawei.com, 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, Jens Wiklander Subject: [PATCH v13 1/5] dt/bindings: add bindings for optee Date: Fri, 18 Nov 2016 15:51:36 +0100 Message-Id: <1479480700-554-2-git-send-email-jens.wiklander@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1479480700-554-1-git-send-email-jens.wiklander@linaro.org> References: <1479480700-554-1-git-send-email-jens.wiklander@linaro.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@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 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)