From patchwork Wed Jun 1 12:41:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Wiklander X-Patchwork-Id: 628657 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 3rKVNs12Gmz9t89 for ; Wed, 1 Jun 2016 22:42:05 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b=CnvFcLrg; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758004AbcFAMlq (ORCPT ); Wed, 1 Jun 2016 08:41:46 -0400 Received: from mail-wm0-f41.google.com ([74.125.82.41]:35091 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757898AbcFAMlo (ORCPT ); Wed, 1 Jun 2016 08:41:44 -0400 Received: by mail-wm0-f41.google.com with SMTP id a136so180225538wme.0 for ; Wed, 01 Jun 2016 05:41:43 -0700 (PDT) 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=zspOhJTQqXjcUOKLkt5Jq3Lqqsqkvy1vQqnBaZBo83M=; b=CnvFcLrgcERrdBNodjYXgTCbn8W5DxjHUzMpvW4LOss6tOpdOkGNtedpDg9kN7jbeH 3ZGpraNcuyBVmoay3QQvpvHDGjDHHweF4Nd7RZxv/LP5vOOHu19vGDZ4RVaXpn4Ex06F ICPBloliYGo16o8rpm4AvFi3XIUvYWXnAnRug= 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=zspOhJTQqXjcUOKLkt5Jq3Lqqsqkvy1vQqnBaZBo83M=; b=Tsdf1iJ9RtumHMqSWA838Fj6LXUyWSZ5dA5vbYEGL44ULJo5YFwzD3gBX1YOlm+y8L AYC/MG/+Km/qYeS1gXh1ouCb2F1RgOzlAuWO5bwnOnLOlawu4mr92Pg7FM2QYnb0bH0j pfpgm2HaJG+VL8n3dfwWbRuu8BlUWMYPnhN6RgfIQuK8I8vsYjnhDbPoCycRn+PUHYYX jGpKs5u3D4ThtYJGGNeKXclPIeYHjsDL3qsluUce3vWRtXcnoJlXlwIQw7Qu1EWCW+9i xF5Gy9W5unonuY4NwTyCp7Fk+EvJUwSDU3jUlhZFuAk6J95w8gg6xDvMnBOkAGvNrmwZ b0DQ== X-Gm-Message-State: ALyK8tIp5x2j5tylhauX0dlidYfv5lE3GMBrhi+o1IrM7epYp4FCc796sDm7irH6hLCqQnhu X-Received: by 10.194.86.200 with SMTP id r8mr3328296wjz.158.1464784902728; Wed, 01 Jun 2016 05:41:42 -0700 (PDT) Received: from ermac.urgonet (h-84-45.a175.priv.bahnhof.se. [79.136.84.45]) by smtp.gmail.com with ESMTPSA id u6sm34855676wmd.21.2016.06.01.05.41.38 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 01 Jun 2016 05:41:39 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Greg Kroah-Hartman , Al Viro , Andreas Dannenberg , 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 , Arnd Bergmann , Nishanth Menon , Jens Wiklander Subject: [PATCH v10 1/4] dt/bindings: add bindings for optee Date: Wed, 1 Jun 2016 14:41:25 +0200 Message-Id: <1464784888-19854-2-git-send-email-jens.wiklander@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464784888-19854-1-git-send-email-jens.wiklander@linaro.org> References: <1464784888-19854-1-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 a7440bc..fcc6edc 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -147,6 +147,7 @@ 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