From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B71A3DC4A6 for ; Mon, 13 Apr 2026 14:21:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776090062; cv=none; b=X0vEphIXKx4oOYdCw5TThgzOSEFjUQCrgTNb7ckE+S2G5WC8HQPS/juGvDMm3wgU/YdfKoeaJdQ6DouSuqAkbjKk8IRMk2HqArwvdA7r/zXwl8eAVGINYdBNZV3KiG/XRNUdUgmvMe+fUyaK1uy6a3xfyHHJZjv74IzeFmL2TQ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776090062; c=relaxed/simple; bh=MsIS8DYovJkl3PnFT/IHD7I+rkad/Tjx9Lca9r3IQ1M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sH11qMgtB9/jjRj0irSn3YhiiAS+mY4rgaYcT1kpiDv5YIFHgxtE5wpEG9/AUF9yhvkgRY0b48kxWn5iKjp+xgP4vcuTw7o8kymTExLJoP84pK0dgqbRYpxjn6NeW9K5d3apuEgWx8mRnilJFnuXrkC5mdnzN+OnAYIf5LUoLak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=baZPYNPt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="baZPYNPt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E20E1C2BCAF; Mon, 13 Apr 2026 14:21:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776090061; bh=MsIS8DYovJkl3PnFT/IHD7I+rkad/Tjx9Lca9r3IQ1M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=baZPYNPtDrO4JC4cf+idDkaUkTZtSc+shbdLH/iuwUb2AtBUTQ3IfkJSWiDXj6rcl HyCWhvbipgRBoLk1fUDea/hWDMIrpwwuktYbblLKF88zob99eyBZ7HgtbG3y6N0wYU w4vvbiEnGr4QXiQtIXpmCmH4cAvfOlh217VVozXDR2G6jqd7JplByqxNno4nHhPQU+ ZDEKgUdRhrBgROmr1DBqygZejkDaTtFZtckOF5/5NZeWvMJZR6r0kcKuOfJB50L3IF zWb3aVJCggeX7Y1jwHb2VIVj2rMM+5MoxPq42vCqNhEaR33yWQ0xsceM0Mp7/9IB5O cc8xHDNIPHOeQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Sebastian Krzyszkowiak , Frank Li , Sasha Levin Subject: [PATCH 5.15.y 3/4] Revert "arm64: dts: imx8mq-librem5: Set the DVS voltages lower" Date: Mon, 13 Apr 2026 10:20:56 -0400 Message-ID: <20260413142057.2909222-3-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413142057.2909222-1-sashal@kernel.org> References: <2026041309-growing-ground-4131@gregkh> <20260413142057.2909222-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Sebastian Krzyszkowiak [ Upstream commit 4cd46ea0eb4504f7f4fea92cb4601c5c9a3e545e ] This reverts commit c24a9b698fb02cd0723fa8375abab07f94b97b10. It's been found that there's a significant per-unit variance in accepted supply voltages and the current set still makes some units unstable. Revert back to nominal values. Cc: stable@vger.kernel.org Fixes: c24a9b698fb0 ("arm64: dts: imx8mq-librem5: Set the DVS voltages lower") Signed-off-by: Sebastian Krzyszkowiak Signed-off-by: Frank Li Stable-dep-of: 511f76bf1dce ("arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V") Signed-off-by: Sasha Levin --- .../boot/dts/freescale/imx8mq-librem5-r3.dts | 2 +- .../boot/dts/freescale/imx8mq-librem5.dtsi | 22 +++++-------------- 2 files changed, 7 insertions(+), 17 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts index 425f4ef7cb2dd..cd3c3edd48fa3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts @@ -12,7 +12,7 @@ / { &a53_opp_table { opp-1000000000 { - opp-microvolt = <950000>; + opp-microvolt = <1000000>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index 62e3176d3802b..ce63d5ef67665 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -704,8 +704,8 @@ buck1_reg: BUCK1 { regulator-max-microvolt = <1300000>; regulator-boot-on; regulator-ramp-delay = <1250>; - rohm,dvs-run-voltage = <880000>; - rohm,dvs-idle-voltage = <820000>; + rohm,dvs-run-voltage = <900000>; + rohm,dvs-idle-voltage = <850000>; rohm,dvs-suspend-voltage = <810000>; regulator-always-on; }; @@ -716,8 +716,8 @@ buck2_reg: BUCK2 { regulator-max-microvolt = <1300000>; regulator-boot-on; regulator-ramp-delay = <1250>; - rohm,dvs-run-voltage = <950000>; - rohm,dvs-idle-voltage = <850000>; + rohm,dvs-run-voltage = <1000000>; + rohm,dvs-idle-voltage = <900000>; regulator-always-on; }; @@ -726,14 +726,14 @@ buck3_reg: BUCK3 { regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; regulator-boot-on; - rohm,dvs-run-voltage = <850000>; + rohm,dvs-run-voltage = <900000>; }; buck4_reg: BUCK4 { regulator-name = "buck4"; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; - rohm,dvs-run-voltage = <930000>; + rohm,dvs-run-voltage = <1000000>; }; buck5_reg: BUCK5 { @@ -1214,13 +1214,3 @@ &wdog1 { fsl,ext-reset-output; status = "okay"; }; - -&a53_opp_table { - opp-1000000000 { - opp-microvolt = <850000>; - }; - - opp-1500000000 { - opp-microvolt = <950000>; - }; -}; -- 2.53.0