From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753490Ab2JONRK (ORCPT ); Mon, 15 Oct 2012 09:17:10 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:61108 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753325Ab2JONRH (ORCPT ); Mon, 15 Oct 2012 09:17:07 -0400 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: arnd@arndb.de, linus.walleij@stericsson.com, Lee Jones Subject: [PATCH 2/2] Documentation: Describe Device Tree bindings for GPIO Regulator driver Date: Mon, 15 Oct 2012 14:17:00 +0100 Message-Id: <1350307020-5910-2-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1350307020-5910-1-git-send-email-lee.jones@linaro.org> References: <1350307020-5910-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Here we specify all non-standard bindings which can be used when requesting the use of an GPIO controlled regulator from Device Tree. Mark Brown Signed-off-by: Lee Jones --- .../bindings/regulator/gpio-regulator.txt | 25 ++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/gpio-regulator.txt diff --git a/Documentation/devicetree/bindings/regulator/gpio-regulator.txt b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt new file mode 100644 index 0000000..5f77ee0 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/gpio-regulator.txt @@ -0,0 +1,25 @@ +GPIO controlled regulators + +Required properties: +- compatible : Must be "regulator-gpio". + +Optional properties: +- gpio-enable : GPIO to use to enable/disable the regulator. +- startup-delay-us : Startup time in microseconds. +- enable-active-high : Polarity of GPIO is active high (default is low). + +Any property defined as part of the core regulator binding defined in +regulator.txt can also be used. + +Example: + + mmciv: gpio-regulator { + compatible = "regulator-gpio"; + regulator-name = "mmci-gpio-supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <2600000>; + gpio = <&gpio0 24 0x4>; + startup-delay-us = <100000>; + enable-active-high; + regulator-boot-on; + }; -- 1.7.9.5