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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D1CCC433F5 for ; Thu, 30 Sep 2021 15:57:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7103861440 for ; Thu, 30 Sep 2021 15:57:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347652AbhI3P7M (ORCPT ); Thu, 30 Sep 2021 11:59:12 -0400 Received: from mail.fris.de ([116.203.77.234]:36364 "EHLO mail.fris.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347647AbhI3P7J (ORCPT ); Thu, 30 Sep 2021 11:59:09 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7B0DABFBF7; Thu, 30 Sep 2021 17:57:20 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1633017442; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=vmXGHfv62cic9GjQFFUjFhCG+ijbcaRskAQhxjIcXoE=; b=FZMI34FBsad6MwaZOnpht2abn/MRxRhLG8/VLYj4PqLhqLs/neL/4NhFlQK9BtHnMnvPAf QZTlGyWPQTWEZzOt2pSQELwMdqiuznO8qEKOSGWd1RlcZ1kxlz2Wdq0Lq8873P1GAR2JsI Np8wzJYBmaSCGOa1s/mvtzavGbfeyCd2qSXMzSFcTZEeNnzrD2QGwxu1hl4nws+sSuckJ0 VVyAGWGcK88/H0ZQ7dIKr7HJy5qgHrjtjM8Xut741fgemnIrsiD1U90+PV4glybS4oqPL4 0y4YGsoVNa12ObvEgVlk3zwWMN9c69B6mRkeuoLVhTQM34AFGVE3ypCvXFGvLw== From: Frieder Schrempf To: devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Heiko Thiery , stable@vger.kernel.org, Fabio Estevam , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 8/8] arm64: dts: imx8mm-kontron: Leave reg_vdd_arm always powered on Date: Thu, 30 Sep 2021 17:56:31 +0200 Message-Id: <20210930155633.2745201-9-frieder@fris.de> In-Reply-To: <20210930155633.2745201-1-frieder@fris.de> References: <20210930155633.2745201-1-frieder@fris.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frieder Schrempf When the cpufreq driver is enabled, the buck2 regulator is kept powered on by the dependency between the CPU nodes with 'cpu-supply' set. Without the cpufreq driver the kernel will power off the regulator as it doesn't see any users. This is obviously not what we want, therefore keep the regulator powered on in any case. Reported-by: Heiko Thiery Fixes: 21c4f45b335f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Cc: stable@vger.kernel.org Signed-off-by: Frieder Schrempf --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 213014f59b46..c3418d263eb4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -105,6 +105,7 @@ reg_vdd_arm: BUCK2 { regulator-min-microvolt = <850000>; regulator-max-microvolt = <950000>; regulator-boot-on; + regulator-always-on; regulator-ramp-delay = <3125>; nxp,dvs-run-voltage = <950000>; nxp,dvs-standby-voltage = <850000>; -- 2.33.0