Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752885AbdDLKPY (ORCPT ); Wed, 12 Apr 2017 06:15:24 -0400 Received: from nat-hk.nvidia.com ([203.18.50.4]:51415 "EHLO nat-hk.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752208AbdDLKPV (ORCPT ); Wed, 12 Apr 2017 06:15:21 -0400 X-PGP-Universal: processed; by hkpgpgate102.nvidia.com on Wed, 12 Apr 2017 03:15:19 -0700 From: Venkat Reddy Talla To: , , , , , CC: , Subject: [PATCH v2 2/2] regulator: tps65132: add device-tree binding Date: Wed, 12 Apr 2017 15:45:04 +0530 Message-ID: <1491992104-21921-1-git-send-email-vreddytalla@nvidia.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2194 Lines: 66 Add tps65132 regulator device-tree binding documentation Signed-off-by: Venkat Reddy Talla --- Changes for v2: - change dts property names - add reg dts property --- .../bindings/regulator/tps65132-regulator.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/tps65132-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt b/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt new file mode 100644 index 0000000..3a35055 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/tps65132-regulator.txt @@ -0,0 +1,46 @@ +TPS65132 regulators + +Required properties: +- compatible: "ti,tps65132" +- reg: I2C slave address + +Optional Subnode: +Device supports two regulators OUTP and OUTN. A sub node within the + device node describe the properties of these regulators. The sub-node + names must be as follows: + -For regulator outp, the sub node name should be "outp". + -For regulator outn, the sub node name should be "outn". + +-enable-gpios:(active high, output) Regulators are controlled by the input pins. + If it is connected to GPIO through host system then provide the + gpio number as per gpio.txt. +-active-discharge-gpios: (active high, output) Some configurations use delay mechanisms + on the enable pin, to keep the regulator enabled for some time after + the enable signal goes low. This GPIO is used to actively discharge + the delay mechanism. Requires specification of ti,active-discharge-time-us +-ti,active-discharge-time-us: how long the active discharge gpio should be + asserted for during active discharge, in microseconds. + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps65132@3e { + compatible = "ti,tps65132"; + reg = <0x3e>; + + outp { + regulator-name = "outp"; + regulator-boot-on; + regulator-always-on; + enable-gpios = <&gpio 23 0>; + }; + + outn { + regulator-name = "outn"; + regulator-boot-on; + regulator-always-on; + regulator-active-discharge = <0>; + enable-gpios = <&gpio 40 0>; + }; + }; -- 2.1.4