From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BA11C4646D for ; Mon, 6 Aug 2018 16:09:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1329621A5B for ; Mon, 6 Aug 2018 16:09:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="T6uELYai" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1329621A5B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733234AbeHFSTj (ORCPT ); Mon, 6 Aug 2018 14:19:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:34900 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733096AbeHFSTi (ORCPT ); Mon, 6 Aug 2018 14:19:38 -0400 Received: from localhost.localdomain (xdsl-188-155-58-14.adslplus.ch [188.155.58.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8580C21A57; Mon, 6 Aug 2018 16:09:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1533571790; bh=jjvqdikI6S5sVcGBHdNiuuycq8gNW/7J6/6JzNai8aM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T6uELYai8V/3nwclL+wmYUAwgB3SQ8PlJF5fpB2X9pocT4K5irID6d7X97+ffoJFt OtNrT7XtG1n05YHaGshFI8/iN0UgIYgVu4rN4UcnDnSnoTsiBPZvxuF6XUDth/TNwx HWZszI9E5U1EmY6DFTW71G4tHdn7GSGBibi3HpWM= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski , Bartlomiej Zolnierkiewicz , Chanwoo Choi Subject: [PATCH 3/4] ARM: dts: exynos: Disable unused PMIC regulators on Exynos5422 Odroid boards Date: Mon, 6 Aug 2018 18:09:32 +0200 Message-Id: <20180806160933.6578-3-krzk@kernel.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180806160933.6578-1-krzk@kernel.org> References: <20180806160933.6578-1-krzk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Disable unused PMIC regulators on Exynos5422 Odroid boards to reduce energy used. According to schematics: 1. LDO12, LDO16 and LDO24 are not connected, 2. LDO26 is not used on Odroid HC1. Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 26 +++++++++++----------- arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 6 +++++ 2 files changed, 19 insertions(+), 13 deletions(-) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 744fd86a38ad..b0dc9cc81b94 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -223,10 +223,10 @@ }; ldo12_reg: LDO12 { + /* Unused */ regulator-name = "vdd_ldo12"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <2375000>; }; ldo13_reg: LDO13 { @@ -250,10 +250,10 @@ }; ldo16_reg: LDO16 { + /* Unused */ regulator-name = "vdd_ldo16"; - regulator-min-microvolt = <2200000>; - regulator-max-microvolt = <2200000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo17_reg: LDO17 { @@ -304,10 +304,10 @@ }; ldo24_reg: LDO24 { - regulator-name = "tsp_io"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - regulator-always-on; + /* Unused */ + regulator-name = "vdd_ldo24"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo25_reg: LDO25 { @@ -318,10 +318,10 @@ }; ldo26_reg: LDO26 { + /* Used on XU3, XU3-Lite and XU4 */ regulator-name = "vdd_ldo26"; - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3000000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo27_reg: LDO27 { diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index 96e281c0a118..e522edb2bb82 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -367,6 +367,12 @@ status = "okay"; }; +&ldo26_reg { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-always-on; +}; + &mixer { status = "okay"; }; -- 2.14.1