From patchwork Thu Nov 26 22:23:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 7709101 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 5BE0C9F401 for ; Thu, 26 Nov 2015 22:26:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 598052062A for ; Thu, 26 Nov 2015 22:26:17 +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 674F520629 for ; Thu, 26 Nov 2015 22:26:16 +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 1a24xa-0002M8-Qz; Thu, 26 Nov 2015 22:24:14 +0000 Received: from pandora.arm.linux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1a24xW-00024k-Ea for linux-arm-kernel@lists.infradead.org; Thu, 26 Nov 2015 22:24:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From; bh=3B8Ece+WjgUx9M+eEBrxNZ98qqrgCIcAYcAhSw6Eq6Q=; b=pzb9GuKv+Y3zNecXls/g7q2zLtVDgkKTQRvMPbR7FgWGrG/a8v6Bgh43sYgtKROyDux3UIJoAnkqu5FsYfnbxDZuVwuK/0zgSJii4et5KsVgWIeaaZc8J4v986WpTJrwKwAjlAy3dyhTjXJYJ5UMVFj6J77czpd+hvtDmkTIMNw=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:59075 helo=rmk-PC.arm.linux.org.uk) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1a24wk-0001oK-OF; Thu, 26 Nov 2015 22:23:22 +0000 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1a24wj-0004iw-Rf; Thu, 26 Nov 2015 22:23:21 +0000 From: Russell King To: Andrew Lunn , Gregory Clement , Jason Cooper Subject: [PATCH 1/3] dt-bindings: add Marvell core PLL and clock divider PMU documentation MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Thu, 26 Nov 2015 22:23:21 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151126_142410_899146_8D55953E X-CRM114-Status: GOOD ( 12.58 ) X-Spam-Score: -5.3 (-----) 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: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , Rob Herring , Kumar Gala , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,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 Add documentation for the Marvell clock divider driver, which is used to source clocks for the AXI bus, video decoder, GPU and LCD blocks. Signed-off-by: Russell King Acked-by: Andrew Lunn Acked-by: Sebastian Hesselbarth Acked-by: Rob Herring --- .../bindings/clock/dove-divider-clock.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/dove-divider-clock.txt diff --git a/Documentation/devicetree/bindings/clock/dove-divider-clock.txt b/Documentation/devicetree/bindings/clock/dove-divider-clock.txt new file mode 100644 index 000000000000..0c602de279e5 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/dove-divider-clock.txt @@ -0,0 +1,28 @@ +PLl divider based Dove clocks + +Marvell Dove has a 2GHz PLL, which feeds into a set of dividers to provide +high speed clocks for a number of peripherals. These dividers are part of +the PMU, and thus this node should be a child of the PMU node. + +The following clocks are provided: + +ID Clock +------------- +0 AXI bus clock +1 GPU clock +2 VMeta clock +3 LCD clock + +Required properties: +- compatible : shall be "marvell,dove-divider-clock" +- reg : shall be the register address of the Core PLL and Clock Divider + Control 0 register. This will cover that register, as well as the + Core PLL and Clock Divider Control 1 register. Thus, it will have + a size of 8. +- #clock-cells : from common clock binding; shall be set to 1 + +divider_clk: core-clock@0064 { + compatible = "marvell,dove-divider-clock"; + reg = <0x0064 0x8>; + #clock-cells = <1>; +};