From patchwork Fri Jun 3 23:25:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Gross X-Patchwork-Id: 9154299 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 93AD860751 for ; Fri, 3 Jun 2016 23:27:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 84FB828334 for ; Fri, 3 Jun 2016 23:27:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 79A2128345; Fri, 3 Jun 2016 23:27:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id 0A9E128334 for ; Fri, 3 Jun 2016 23:27:56 +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 1b8yTn-0000Hc-CK; Fri, 03 Jun 2016 23:26:15 +0000 Received: from mail-oi0-x232.google.com ([2607:f8b0:4003:c06::232]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8yTd-0000Cp-3v for linux-arm-kernel@lists.infradead.org; Fri, 03 Jun 2016 23:26:05 +0000 Received: by mail-oi0-x232.google.com with SMTP id w184so149828987oiw.2 for ; Fri, 03 Jun 2016 16:25:45 -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=XAybwf1WmW4zJeCCl+VGnKX76e7X0ZmbDBdPotrZIzk=; b=iIN0YLjTJohYDvO5SQBPsoJICnewBdcQvyGPXF21SHC0bSiX7VbMduA6fjkjA0IpPJ qVkND6SlCF2I8D3e1lFUMP0LkX1nSzOUHMZuC5Jt/SB2MBcq8yQXaVHUgBRNXikaBiud 3pZBBIQR+ZXQgh+6jkBac1MSSVNoDeGbO1JP8= 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=XAybwf1WmW4zJeCCl+VGnKX76e7X0ZmbDBdPotrZIzk=; b=P4hIybPWOueq6oWgo0YdfqNF4UPBXWmKwq6lzyuEe0XI3c2nW+oQfpo/d5ROXUbVqY riDy5gBwaXh+v4avrT5RJVomS290vS4XGugF3P349HLXoS12OvA0MNwRY/qjfiX9yKO1 hBRP9ayu356Y5cnY8DA3TbckZnWF8gIHDAn0kPR4GoK5uL15wGc1Csam7S1b9HNmoA78 rdXux59WduM74ucKp3Vg9Z8f7kP1jc1eIe0tXwm7cyQWJD2ptoW8O6F6XTX1j1jN3rI/ pOVlpFAPYp9UoGLvLV8UolbLHnCizseXqN0zHKPHc6GlehmoKPR8/4qaLyVtqJXF3/Kp wm2w== X-Gm-Message-State: ALyK8tLSTB4wuexZ6JO2H3gpmqRtalWJNCI42pNlL7pNL4BF75H+6hZUbHVfXZbX/1eGrtEe X-Received: by 10.157.46.177 with SMTP id w46mr3053560ota.181.1464996344758; Fri, 03 Jun 2016 16:25:44 -0700 (PDT) Received: from localhost ([2602:306:c558:19b0:a575:d8f4:7700:e330]) by smtp.gmail.com with ESMTPSA id 92sm4374004otw.16.2016.06.03.16.25.44 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Fri, 03 Jun 2016 16:25:44 -0700 (PDT) From: Andy Gross To: linux-arm-msm@vger.kernel.org Subject: [Patch v6 01/10] dt/bindings: firmware: Add Qualcomm SCM binding Date: Fri, 3 Jun 2016 18:25:21 -0500 Message-Id: <1464996330-16952-2-git-send-email-andy.gross@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464996330-16952-1-git-send-email-andy.gross@linaro.org> References: <1464996330-16952-1-git-send-email-andy.gross@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160603_162605_218806_A3499FBC X-CRM114-Status: GOOD ( 11.79 ) 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-Virus-Scanned: ClamAV using ClamSMTP This patch adds the device tree support for the Qualcomm SCM firmware. Signed-off-by: Andy Gross Reviewed-by: Stephen Boyd Acked-by: Bjorn Andersson Acked-by: Rob Herring --- .../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..3b4436e --- /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-apq8064", "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"; + }; + };