From patchwork Sun Mar 27 09:26:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 8675681 Return-Path: X-Original-To: patchwork-linux-arm@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 AC976C0553 for ; Sun, 27 Mar 2016 09:29:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E014820219 for ; Sun, 27 Mar 2016 09:29:36 +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 1FFE820204 for ; Sun, 27 Mar 2016 09:29:36 +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 1ak6yV-00082V-8w; Sun, 27 Mar 2016 09:27:11 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ak6yK-00080H-Gs for linux-arm-kernel@lists.infradead.org; Sun, 27 Mar 2016 09:27:01 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id D181F605; Sun, 27 Mar 2016 11:26:36 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost (unknown [37.205.56.247]) by mail.free-electrons.com (Postfix) with ESMTPSA id 5EEE9629; Sun, 27 Mar 2016 11:26:26 +0200 (CEST) From: Thomas Petazzoni To: Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Ian Campbell , Pawel Moll , Mark Rutland , Kumar Gala Subject: [PATCH v4 2/5] dt-bindings: arm: add DT binding for Marvell AP806 system controller Date: Sun, 27 Mar 2016 11:26:14 +0200 Message-Id: <1459070777-18049-3-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1459070777-18049-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1459070777-18049-1-git-send-email-thomas.petazzoni@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160327_022700_779372_C56AF3EF X-CRM114-Status: GOOD ( 13.46 ) X-Spam-Score: -2.9 (--) 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: Lior Amsalem , Andrew Lunn , Jason Cooper , Hanna Hawa , Nadav Haklai , Gregory Clement , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth 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 commit adds the Device Tree binding documentation for the system controller found in Marvell AP806 HW block, which is one of the core HW blocks of the 64-bits Marvell Armada 7K/8K family. Signed-off-by: Thomas Petazzoni Acked-by: Rob Herring --- .../arm/marvell/ap806-system-controller.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt new file mode 100644 index 0000000..8968371 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -0,0 +1,35 @@ +Marvell Armada AP806 System Controller +====================================== + +The AP806 is one of the two core HW blocks of the Marvell Armada 7K/8K +SoCs. It contains a system controller, which provides a number +registers giving access to numerous features: clocks, pin-muxing and +many other SoC configuration items. This DT binding allows to describe +this system controller. + +The Device Tree node representing the AP806 system controller provides +a number of clocks: + + - 0: clock of CPU cluster 0 + - 1: clock of CPU cluster 1 + - 2: fixed PLL at 1200 Mhz + - 3: MSS clock, derived from the fixed PLL + +Required properties: + + - compatible: must be: + "marvell,ap806-system-controller", "syscon" + - reg: register area of the AP806 system controller + - #clock-cells: must be set to 1 + - clock-output-names: must be defined to: + "ap-cpu-cluster-0", "ap-cpu-cluster-1", "ap-fixed", "ap-mss" + +Example: + + syscon: system-controller@6f4000 { + compatible = "marvell,ap806-system-controller", "syscon"; + #clock-cells = <1>; + clock-output-names = "ap-cpu-cluster-0", "ap-cpu-cluster-1", + "ap-fixed", "ap-mss"; + reg = <0x6f4000 0x1000>; + };