From patchwork Mon Aug 18 08:32:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 380751 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 C85CD140080 for ; Mon, 18 Aug 2014 18:36:58 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751599AbaHRIdS (ORCPT ); Mon, 18 Aug 2014 04:33:18 -0400 Received: from bhuna.collabora.co.uk ([93.93.135.160]:41461 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752094AbaHRIc6 (ORCPT ); Mon, 18 Aug 2014 04:32:58 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id D9492603339 From: Javier Martinez Canillas To: Mark Brown Cc: Doug Anderson , Olof Johansson , devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas Subject: [PATCH v9 2/2] regulator: Add DT bindings for max77802 PMIC regulators Date: Mon, 18 Aug 2014 10:32:42 +0200 Message-Id: <1408350762-15520-3-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1408350762-15520-1-git-send-email-javier.martinez@collabora.co.uk> References: <1408350762-15520-1-git-send-email-javier.martinez@collabora.co.uk> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add Device Tree binding documentation for the regulators present in the Maxim 77802 Power Management IC. Signed-off-by: Javier Martinez Canillas --- .../devicetree/bindings/regulator/max77802.txt | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/max77802.txt diff --git a/Documentation/devicetree/bindings/regulator/max77802.txt b/Documentation/devicetree/bindings/regulator/max77802.txt new file mode 100644 index 0000000..5aeaffc --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max77802.txt @@ -0,0 +1,53 @@ +Binding for Maxim MAX77802 regulators + +This is a part of device tree bindings of MAX77802 multi-function device. +More information can be found in bindings/mfd/max77802.txt file. + +The MAX77802 PMIC has 10 high-efficiency Buck and 32 Low-dropout (LDO) +regulators that can be controlled over I2C. + +Following properties should be present in main device node of the MFD chip. + +Optional node: +- regulators : The regulators of max77802 have to be instantiated + under subnode named "regulators" using the following format. + + regulator-name { + standard regulator constraints.... + }; + refer Documentation/devicetree/bindings/regulator/regulator.txt + +The regulator node name should be initialized with a string to get matched +with their hardware counterparts as follow. The valid names are: + + -LDOn : for LDOs, where n can lie in ranges 1-15, 17-21, 23-30 + and 32-35. + example: LDO1, LDO2, LDO35. + -BUCKn : for BUCKs, where n can lie in range 1 to 10. + example: BUCK1, BUCK5, BUCK10. +Example: + + max77802@09 { + compatible = "maxim,max77802"; + interrupt-parent = <&wakeup_eint>; + interrupts = <26 0>; + reg = <0x09>; + #address-cells = <1>; + #size-cells = <0>; + + regulators { + ldo11_reg: LDO11 { + regulator-name = "vdd_ldo11"; + regulator-min-microvolt = <1900000>; + regulator-max-microvolt = <1900000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "vdd_mif"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + }; + };