From patchwork Wed May 11 14:15:51 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Gross X-Patchwork-Id: 9071161 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9563F9F30C for ; Wed, 11 May 2016 14:20:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1161D20154 for ; Wed, 11 May 2016 14:20:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AD572201BB for ; Wed, 11 May 2016 14:20:23 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b0UyH-0005bL-BT; Wed, 11 May 2016 14:18:41 +0000 Received: from mail-oi0-x22a.google.com ([2607:f8b0:4003:c06::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b0Uxr-0005GE-Bb for linux-arm-kernel@lists.infradead.org; Wed, 11 May 2016 14:18:20 +0000 Received: by mail-oi0-x22a.google.com with SMTP id k142so69616685oib.1 for ; Wed, 11 May 2016 07:17:54 -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=vBG4JKMGNpJE6jpy0okbyGgbKA1P0pzgFoNlTVneDQs=; b=AvD3m/LKF11itxxn5l8pWHAp3yKdj2Ujhy904qai4OZ9PGSjCCjfyIuDfwx1a1BKuP FPDQ/n2kUFH3nE3gZmQrCVdDG7C9llJS77ErepevMEyHcEjEYMtdJ+MvhiokyUgQT3DP jJFzgV0809uemw1aP9nguLtrd68Bi6QUDLa1w= 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=vBG4JKMGNpJE6jpy0okbyGgbKA1P0pzgFoNlTVneDQs=; b=E7T6xfjS8I2qT/PZcmLlOU2m5a4q+K9mtT3QaxtZE1/14Zvqn1CUStVlLjCi65C59I I+WSi1BNspF8BFXx00lTG+F8PBC+LrpeW7sA0Nup+ACOq+9ztwZmB7QM4JOcpCRWq0zS 2//8nSQSTtgZppsx4tgj7aC43cGpig41/VK4V4oYdBMGP2Gm+OaW2gKUiA69Tvv7oksW C6kQCY91Di0ZlINM8tC82WD4q0LsRUTJTE6nX+nOnX03hn2DLRkDVYcZtTYJO+1cxu6N YPEuzVVYGtSGqOiv8ES+vlabUHK7q1edHyxmHkQPd2KLQpZIr6tibJcu3WSgE4xjJ7je UsFw== X-Gm-Message-State: AOPr4FXh8l6kvcxJXDJcA59ghiCzAKO7/tu7qp7QUAOzbVHgalODJCh4DVb6jeGQAis+a7y7 X-Received: by 10.157.45.81 with SMTP id v75mr2233822ota.85.1462976274252; Wed, 11 May 2016 07:17:54 -0700 (PDT) Received: from localhost ([2602:306:c558:19b0:68a6:b401:fd49:9ae6]) by smtp.gmail.com with ESMTPSA id h5sm1606320oen.3.2016.05.11.07.17.53 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 11 May 2016 07:17:53 -0700 (PDT) From: Andy Gross To: linux-arm-msm@vger.kernel.org Subject: [Patch v4 1/8] dt/bindings: firmware: Add Qualcomm SCM binding Date: Wed, 11 May 2016 09:15:51 -0500 Message-Id: <1462976158-26016-2-git-send-email-andy.gross@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1462976158-26016-1-git-send-email-andy.gross@linaro.org> References: <1462976158-26016-1-git-send-email-andy.gross@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160511_071815_636154_CBA2FA27 X-CRM114-Status: GOOD ( 12.31 ) X-Spam-Score: -2.7 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Stephen Boyd , linux-kernel@vger.kernel.org, Bjorn Andersson , Andy Gross , jilai wang , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable 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 Acked-by: Bjorn Andersson --- .../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..0c5f1ff --- /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 platforms + * "qcom,scm-msm8660" for MSM8660 platforms + * "qcom,scm-msm8690" for MSM8690 platforms + * "qcom,scm" for later processors (MSM8916, APQ8084, MSM8974, etc) +- clocks: One to three clocks may be required based on compatible. + * Only core clock required for "qcom,scm-apq8084", "qcom,scm-msm8660", and "qcom,scm-msm8960" + * Core, iface, and bus clocks required for "qcom,scm" +- 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"; + clocks = <&gcc GCC_CRYPTO_CLK> , <&gcc GCC_CRYPTO_AXI_CLK>, <&gcc GCC_CRYPTO_AHB_CLK>; + clock-names = "core", "bus", "iface"; + }; + };