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=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 974CDC31E45 for ; Thu, 13 Jun 2019 15:57:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D4F3208CA for ; Thu, 13 Jun 2019 15:57:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560441439; bh=iPQyzFyu/DJUnD58qCjst1RdZFHsY0k4sa2RQWZzIdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GO2J5ZB4x2mEKTYkSJRo26tCU+PaIs3/ReNYnG2yqZzm1QhZdaGkt6fgunyuPZUAH uWgrO2r5tGEkUVfFNiHR1auwKP730y1gJNaP4/CIzIGWRiWy8JA7ng56MR/0dZY5/q 2zZHdtn8jEM9m+wxu6rh9W4ZTEDcJjViRwuByWHs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390471AbfFMP5S (ORCPT ); Thu, 13 Jun 2019 11:57:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:38328 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731511AbfFMIut (ORCPT ); Thu, 13 Jun 2019 04:50:49 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7125D206BA; Thu, 13 Jun 2019 08:50:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560415848; bh=iPQyzFyu/DJUnD58qCjst1RdZFHsY0k4sa2RQWZzIdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WW/cxuPQBm4KfRb4+Yhcz4UV6+q+DoX8zKngqU1QpXqCcqeqYHNaqoLVZApD8INur yf5SNa+bxaecLg+3DNlHr8AUgFH9iwwLV37rbFuasQZ2XsDVDJ9KnWBG81USq2BVWT P00H3i/UnuacBVbhSp842KqphKeccB0ttXJSWlxc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.1 144/155] ARM: dts: exynos: Always enable necessary APIO_1V8 and ABB_1V8 regulators on Arndale Octa Date: Thu, 13 Jun 2019 10:34:16 +0200 Message-Id: <20190613075701.051910091@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190613075652.691765927@linuxfoundation.org> References: <20190613075652.691765927@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit 5ab99cf7d5e96e3b727c30e7a8524c976bd3723d ] The PVDD_APIO_1V8 (LDO2) and PVDD_ABB_1V8 (LDO8) regulators were turned off by Linux kernel as unused. However they supply critical parts of SoC so they should be always on: 1. PVDD_APIO_1V8 supplies SYS pins (gpx[0-3], PSHOLD), HDMI level shift, RTC, VDD1_12 (DRAM internal 1.8 V logic), pull-up for PMIC interrupt lines, TTL/UARTR level shift, reset pins and SW-TACT1 button. It also supplies unused blocks like VDDQ_SRAM (for SROM controller) and VDDQ_GPIO (gpm7, gpy7). The LDO2 cannot be turned off (S2MPS11 keeps it on anyway) so marking it "always-on" only reflects its real status. 2. PVDD_ABB_1V8 supplies Adaptive Body Bias Generator for ARM cores, memory and Mali (G3D). Signed-off-by: Krzysztof Kozlowski Signed-off-by: Sasha Levin --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index 3447160e1fbf..a0e27e1c0feb 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -107,6 +107,7 @@ regulator-name = "PVDD_APIO_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; ldo3_reg: LDO3 { @@ -145,6 +146,7 @@ regulator-name = "PVDD_ABB_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; ldo9_reg: LDO9 { -- 2.20.1