From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424697AbcBQXku (ORCPT ); Wed, 17 Feb 2016 18:40:50 -0500 Received: from mail.kmu-office.ch ([178.209.48.109]:56605 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1424150AbcBQXkZ (ORCPT ); Wed, 17 Feb 2016 18:40:25 -0500 From: Stefan Agner To: shawnguo@kernel.org, kernel@pengutronix.de Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, marcel@ziswiler.com, Stefan Agner Subject: [PATCH v3 2/3] ARM: dts: vf-colibri: add basic supply regulators Date: Wed, 17 Feb 2016 15:40:59 -0800 Message-Id: <1455752460-2770-2-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1455752460-2770-1-git-send-email-stefan@agner.ch> References: <1455752460-2770-1-git-send-email-stefan@agner.ch> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Colibri modules need to be powered using the power pins 3V3 and AVDD_AUDIO. Add fixed regulators which represent this power rails. Potentially, those power rails could be switched on a carrier board. A carrier board device tree could add a own regulator with a GPIO, and reference that regulator in a vin-supply property of those new module level system regulators. Signed-off-by: Stefan Agner --- Changes since v2: - remove regulator-always-on Changes since v1: - Add module prefix to avoid namespace issue with Carrier Board regulators - Name the regulators according to schematics arch/arm/boot/dts/vf-colibri.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi index ff6f58e..ed4cfc5 100644 --- a/arch/arm/boot/dts/vf-colibri.dtsi +++ b/arch/arm/boot/dts/vf-colibri.dtsi @@ -48,14 +48,30 @@ enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>; status = "disabled"; }; + + reg_module_3v3: regulator-module-3v3 { + compatible = "regulator-fixed"; + regulator-name = "+V3.3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + reg_module_3v3_avdd: regulator-module-3v3-avdd { + compatible = "regulator-fixed"; + regulator-name = "+V3.3_AVDD_AUDIO"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &adc0 { status = "okay"; + vref-supply = <®_module_3v3_avdd>; }; &adc1 { status = "okay"; + vref-supply = <®_module_3v3_avdd>; }; &can0 { @@ -96,6 +112,7 @@ &fec1 { phy-mode = "rmii"; + phy-supply = <®_module_3v3>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_fec1>; }; -- 2.7.1