From patchwork Sun Sep 7 11:37:47 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 4858491 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7E529C0338 for ; Sun, 7 Sep 2014 11:19:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 32AB620142 for ; Sun, 7 Sep 2014 11:19:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D5F9420138 for ; Sun, 7 Sep 2014 11:19:39 +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 1XQaSq-0002Kc-4p; Sun, 07 Sep 2014 11:17:00 +0000 Received: from www.augenpunkt.de ([213.239.207.9]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XQaSm-0002JO-7G for linux-arm-kernel@lists.infradead.org; Sun, 07 Sep 2014 11:16:58 +0000 Received: from erde.kosmos.lan (ipb2196950.dynamic.kabel-deutschland.de [178.25.105.80]) by www.augenpunkt.de (Postfix) with ESMTP id E5C90E869E; Sun, 7 Sep 2014 13:16:34 +0200 (CEST) From: Stefan Wahren To: lgirdwood@gmail.com, broonie@kernel.org, shawn.guo@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Subject: [PATCH RFC 1/3] DT: add binding for MXS regulator Date: Sun, 7 Sep 2014 13:37:47 +0200 Message-Id: <1410089869-6611-2-git-send-email-info@lategoodbye.de> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1410089869-6611-1-git-send-email-info@lategoodbye.de> References: <1410089869-6611-1-git-send-email-info@lategoodbye.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140907_041656_434915_0DAF93A9 X-CRM114-Status: UNSURE ( 7.66 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) Cc: stefan.wahren@i2se.com, devicetree@vger.kernel.org, Stefan Wahren , linux-kernel@vger.kernel.org, festevam@gmail.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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=-3.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, 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 bindings for the Freescale MXS on-chip regulators. Signed-off-by: Stefan Wahren --- .../bindings/regulator/mxs-regulator.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mxs-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/mxs-regulator.txt b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt new file mode 100644 index 0000000..c3226cc --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mxs-regulator.txt @@ -0,0 +1,38 @@ +MXS regulators + +Required node properties: +- compatible: Should be "fsl,-power", where soc is "imx23" or "imx28" +- reg: Offset and length of the register set for the device + +Required regulator properties: +- compatible: Must be "fsl,mxs-regulator" +- reg: Offset of the register set for the regulator +- mxs-max-reg-val: Maximum value of this register + +Optional regulator properties: +- mxs-default-microvolt: initial voltage of the regulator + +Any regulator property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. + +Example: + + power: power@80044000 { + compatible = "fsl,imx28-power"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x80044000 0x2000>; + + reg_vddio: regulator-vddio@80044060 { + reg = <0x80044060>; + compatible = "fsl,mxs-regulator"; + regulator-name = "vddio"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <3600000>; + regulator-microvolt-offset = <80000>; + regulator-always-on; + mxs-max-reg-val = <0x10>; + mxs-default-microvolt = <3300000>; + }; + }; +