From patchwork Mon Apr 25 23:08:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Gross X-Patchwork-Id: 8933451 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E5A90BF29F for ; Mon, 25 Apr 2016 23:11:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 160EA2013D for ; Mon, 25 Apr 2016 23:11:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B2A32012B for ; Mon, 25 Apr 2016 23:11:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752455AbcDYXLq (ORCPT ); Mon, 25 Apr 2016 19:11:46 -0400 Received: from mail-oi0-f49.google.com ([209.85.218.49]:34844 "EHLO mail-oi0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751982AbcDYXIz (ORCPT ); Mon, 25 Apr 2016 19:08:55 -0400 Received: by mail-oi0-f49.google.com with SMTP id x19so59088152oix.2 for ; Mon, 25 Apr 2016 16:08:55 -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=pTQyUmtU6zouyyieA3PgaeEgErlDV8qphqYEQPnZEUQ=; b=FWdKF/cXBCC51amSRd8jPoW987OXuDrOPlI+a1uh62gAqG+kP8yCCV8Y9AqiHOYfRh PVhVIDtlk8M7TiTG2K9R8s3LNigEM0RQ3luBFDq/T1f6nkrv8AvfcLxXt/OXXOHY/IlP h2FWf6TsWSbyvrg4cJF4bcJr70TbSjjA708Mg= 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=pTQyUmtU6zouyyieA3PgaeEgErlDV8qphqYEQPnZEUQ=; b=bmVc+idsaXJzK4tl/VmfCYDySNylGNaLwyChKlnm+bnKZMAz3x4sTPxZaRvxnD4Gr8 9SJ3dZZQPOuQqtXI+x054eYBachCTKLPdf5bqMzzSdIJfVYLeVYFWvjnqJdebj/q45v+ rlMBhYsLhrP/tqs2qdPNkr4lzjWwdH5J/yBaZNxXttyFa+d7G68iR+jmHpySmmKZgqGE XZY4yhA/af51nmYjcDDJZxUGdaoVF2TdYSQ5mmLqHrzMMCBlEQnrBPtOclQzF9B0KykG mBsgzLknw0MBeSEuR//viF0G4AjsEyPDAqYxjAPXqiZWZqUObs+JCFcM+y2I1N5ht3yq K00g== X-Gm-Message-State: AOPr4FUP5vcGn2Dvzp6QCW/lbN//E5MnF4mulah9q74v/k5Gwbj8XTMu6/WBBMWmRe5qA5n7 X-Received: by 10.157.51.70 with SMTP id u6mr12603488otd.8.1461625734776; Mon, 25 Apr 2016 16:08:54 -0700 (PDT) Received: from localhost ([2602:306:c558:19b0:396f:541d:66bc:56f0]) by smtp.gmail.com with ESMTPSA id k125sm7274287oia.21.2016.04.25.16.08.54 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 25 Apr 2016 16:08:54 -0700 (PDT) From: Andy Gross To: linux-arm-msm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, jilai wang , Stephen Boyd , Andy Gross Subject: [Patch v2 1/8] dt/bindings: firmware: Add Qualcomm SCM binding Date: Mon, 25 Apr 2016 18:08:38 -0500 Message-Id: <1461625725-32425-2-git-send-email-andy.gross@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461625725-32425-1-git-send-email-andy.gross@linaro.org> References: <1461625725-32425-1-git-send-email-andy.gross@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds the device tree support for the Qualcomm SCM firmware. Signed-off-by: Andy Gross --- .../devicetree/bindings/firmware/qcom,scm.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/qcom,scm.txt diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.txt b/Documentation/devicetree/bindings/firmware/qcom,scm.txt new file mode 100644 index 0000000..a679a87 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.txt @@ -0,0 +1,28 @@ +QCOM Secure Channel Manager (SCM) + +Qualcomm processors include an interface to communicate to the secure firmware. +This interface allows for clients to request different types of actions. These +can include CPU power up/down, HDCP requests, loading of firmware, and other +assorted actions. + +Required properties: +- compatible: must contain one of the following: + * "qcom,scm-apq8064" for APQ8064 + * "qcom,scm-apq8084" for APQ8084 + * "qcom,scm-msm8916" for MSM8916 + * "qcom,scm-msm8974" for MSM8974 +- clocks: One to three clocks may be required based on compatible. + * Only core clock required for "qcom,scm-apq8064" + * Core, iface, and bus clocks required for all other compatibles. +- clock-names: Must contain "core" for the core clock, "iface" for the interface + clock and "bus" for the bus clock per the requirements of the compatible. + +Example for MSM8916: + + firmware { + scm { + compatible = "qcom,scm-msm8916"; + clocks = <&gcc GCC_CRYPTO_CLK> , <&gcc GCC_CRYPTO_AXI_CLK>, <&gcc GCC_CRYPTO_AHB_CLK>; + clock-names = "core", "bus", "iface"; + }; + };