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: 386694 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 687041400B5 for ; Sun, 7 Sep 2014 21:38:16 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751873AbaIGLiM (ORCPT ); Sun, 7 Sep 2014 07:38:12 -0400 Received: from www.augenpunkt.de ([213.239.207.9]:34474 "EHLO www.augenpunkt.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751151AbaIGLiL (ORCPT ); Sun, 7 Sep 2014 07:38:11 -0400 X-Greylist: delayed 1297 seconds by postgrey-1.27 at vger.kernel.org; Sun, 07 Sep 2014 07:38:11 EDT 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 Cc: festevam@gmail.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, stefan.wahren@i2se.com, Stefan Wahren 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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>; + }; + }; +