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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, 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 0F180C28CC3 for ; Sat, 1 Jun 2019 13:27:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3B2F23AB3 for ; Sat, 1 Jun 2019 13:27:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559395663; bh=xOvQbVHOT4atXGn1OEzGHIkApfrJXcXFOS/FWUZCrlc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OfbvTg3PoEx7m44M2APwACrosLt+mtaAEdx2VNpcqj4O3j+qW0xjeRuC90ugagfj7 IrAQlDeF5I/0aGxu2KWDWY6oLO+2F3wosNI/ae7Lr1yU758aHYiqkFKUMg3s2yEJ64 t5U9oMfTDqJFvADzTRu5XL9iCEZzNc7yDMj6md+0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730011AbfFAN1m (ORCPT ); Sat, 1 Jun 2019 09:27:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:60364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729986AbfFAN1g (ORCPT ); Sat, 1 Jun 2019 09:27:36 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 DB35B272B3; Sat, 1 Jun 2019 13:27:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559395655; bh=xOvQbVHOT4atXGn1OEzGHIkApfrJXcXFOS/FWUZCrlc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sCaMQh2BST05L7wdVGTro2uDPbLHLPfI/ZSg5Ymd9ULxsiWdaafJc2Y8RPOWMvrqx xHtdxaHXJG0eRwAIKX4PBN55Ic/3CEcXSSBzb5kawJJfHO62zBk+iG0ogl9WpZpUoF kXUG/1OIQ+/ytTOFUKz/C287pCSM83YPPZeY7ZEw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Krzysztof Kozlowski , Sasha Levin , devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 54/56] ARM: dts: exynos: Always enable necessary APIO_1V8 and ABB_1V8 regulators on Arndale Octa Date: Sat, 1 Jun 2019 09:25:58 -0400 Message-Id: <20190601132600.27427-54-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190601132600.27427-1-sashal@kernel.org> References: <20190601132600.27427-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Krzysztof Kozlowski [ 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 4ecef6981d5c4..b54c0b8a5b346 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -97,6 +97,7 @@ regulator-name = "PVDD_APIO_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; ldo3_reg: LDO3 { @@ -135,6 +136,7 @@ regulator-name = "PVDD_ABB_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; ldo9_reg: LDO9 { -- 2.20.1