From patchwork Thu Mar 10 02:16:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 8552891 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 6AB139F372 for ; Thu, 10 Mar 2016 02:25:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7A76220259 for ; Thu, 10 Mar 2016 02:25:47 +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 9FE392021A for ; Thu, 10 Mar 2016 02:25:46 +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 1adqGg-0002B2-W4; Thu, 10 Mar 2016 02:24:03 +0000 Received: from mail.kmu-office.ch ([178.209.48.109]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1adqAe-0002qb-A6 for linux-arm-kernel@lists.infradead.org; Thu, 10 Mar 2016 02:17:51 +0000 Received: from trochilidae.toradex.int (75-146-58-181-Washington.hfc.comcastbusiness.net [75.146.58.181]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 57B125C1220; Thu, 10 Mar 2016 03:16:48 +0100 (CET) From: Stefan Agner To: shawnguo@kernel.org, mturquette@baylibre.com, sboyd@codeaurora.org Subject: [PATCH 17/18] Documentation: dt: add Vybrid DDR memory controller bindings Date: Wed, 9 Mar 2016 18:16:58 -0800 Message-Id: <1457576219-7971-18-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.7.2 In-Reply-To: <1457576219-7971-1-git-send-email-stefan@agner.ch> References: <1457576219-7971-1-git-send-email-stefan@agner.ch> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1457576211; bh=0c55jqnazN8qSYCOedBRTaEx1WhwUPpZpJkRqHAPRL4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=L7unIiocySt5KdqBvKqGGjeTzxewJ2XtKR05WsPCDP0nD0OXFBDXfMQR/w0N9iqtEKJYrVDgpR5nC4/03Z84tcixS59c+h4wrR87S8jXOoJLajGMk1oIE9bqxIX9hNGdl1Ul6xFA6W3Eqnigvxk6N9gKlF6F0iVjKAm7+2ApwHo= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160309_181749_058862_64F2EFA7 X-CRM114-Status: GOOD ( 10.61 ) X-Spam-Score: -2.0 (--) 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@arm.com, devicetree@vger.kernel.org, jason@lakedaemon.net, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, marc.zyngier@arm.com, linux-kernel@vger.kernel.org, Stefan Agner , robh+dt@kernel.org, sergeimir@emcraft.com, kernel@pengutronix.de, galak@codeaurora.org, tglx@linutronix.de, linux-clk@vger.kernel.org, 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=-4.1 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 device-tree bindings of Vybrids LPDDR2/DDR3 SDRAM Memory Controller. Access to the device is required to put the memory into self-refresh mode. Signed-off-by: Stefan Agner --- .../bindings/arm/freescale/fsl,vf610-ddrmc.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt new file mode 100644 index 0000000..56a71d6 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt @@ -0,0 +1,23 @@ +Freescale Vybrid LPDDR2/DDR3 SDRAM Memory Controller + +The memory controller supports high performance applications for 16-bit or +8-bit DDR2, or LPDDR SDRAM memories. + +Required properties: +- compatible: "fsl,vf610-ddrmc" +- reg: the register range of the DDRMC registers +- clocks: DDRMC main clock to clock memory and access registers. +- clock-names: Must contain "ddrc", matching entry in the clocks property. +- fsl,has-cke-reset-pulls: + States whether pull-down/up are populated on DDR CKE/RESET + signals to allow using DDR self-refresh modes (see Vybrid + Hardware Development Guide for details). + +Example: + ddrmc: ddrmc@400ae000 { + compatible = "fsl,vf610-ddrmc"; + reg = <0x400ae000 0x1000>; + clocks = <&clks VF610_CLK_DDRMC>; + clock-names = "ddrc"; + fsl,has-cke-reset-pulls; + }