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 815F43D6CBA for ; Mon, 13 Apr 2026 14:07:47 +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=1776089267; cv=none; b=uU1UQN073AJjO3tLUBZHRGiLBC5b7rkzSbursGTFdfYPfreIlKwt3zk794IFZCaiX2GbNi8FlGRDCS0ODM4+RjcSnpCvAVoHnYb9eiIvNVN56ClsTB75b4zl0DG/hpluHzskET/PrcmU8mYjC7k0uelhV7MYUJyxd2o2d5YsARk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776089267; c=relaxed/simple; bh=x8JdnFBXuVW8TIeIV4DwyeQXtJXGdSbyGvoKefxkEeE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oelMSzzHbGrawIySWVEv553VqdAfpgr28lXL6AbuGhWOx6syENzNpAPaA8+VblZTjBn3cgFmCcyONPhbTScVT5u8NxyW2UIIWcQKs3h9JRZzX1ZcuCe+j72xPXbiaIWeXygZFoV9XT8C2GTBsYY3a/0BOpLsVMWQ3gxrfkSsG5Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rtPkDBeO; 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="rtPkDBeO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D93AFC2BCAF; Mon, 13 Apr 2026 14:07:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776089267; bh=x8JdnFBXuVW8TIeIV4DwyeQXtJXGdSbyGvoKefxkEeE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rtPkDBeOMepx5BIq4ZsTNvl938rbRJxbosskDCTCTr7mOpluQ2gwVqUxN0xhmsWQw woVE/0cDq81oSxYe2fbOI/vYetazqYvd+MqinCTfyUCBlwRT5xHmRMPgig8i0zCP69 rs3KRESMkpJimarGVMa5xbDEZX66DKpfxBEKEtWES5011CF1/Xf7ClbJWrTPDdst7d kg+gplc4rzGhpNSIp0QDeRH7YwBITr+HW2kjO/9mFEDWreBiD6H2U9TQgInUj4ZC0c 6ZI4QVrP+Od66UNb6qBfEQMJA85+uYLyqZbJHOTJXu8MY2CQVUk/Upa6eRfD4ixTqj a1q8Lwb7b1M2A== From: Sasha Levin To: stable@vger.kernel.org Cc: Sebastian Krzyszkowiak , Frank Li , Sasha Levin Subject: [PATCH 6.1.y 4/4] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V Date: Mon, 13 Apr 2026 10:07:42 -0400 Message-ID: <20260413140742.2903986-4-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413140742.2903986-1-sashal@kernel.org> References: <2026041309-reheat-frenzy-98e8@gregkh> <20260413140742.2903986-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Sebastian Krzyszkowiak [ Upstream commit 511f76bf1dce5acf8907b65a7d1bc8f7e7c0d637 ] The minimal voltage of VDD_SOC sourced from BUCK1 is 0.81V, which is the currently set value. However, BD71837 only guarantees accuracy of ±0.01V, and this still doesn't factor other reasons for actual voltage to slightly drop in, resulting in the possibility of running out of the operational range. Bump the voltage up to 0.85V, which should give enough headroom. Cc: stable@vger.kernel.org Fixes: 8f0216b006e5 ("arm64: dts: Add a device tree for the Librem 5 phone") Signed-off-by: Sebastian Krzyszkowiak Signed-off-by: Frank Li Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index 3691a6a21e2f6..e63bee34fb4d3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -821,7 +821,7 @@ buck1_reg: BUCK1 { regulator-ramp-delay = <1250>; rohm,dvs-run-voltage = <900000>; rohm,dvs-idle-voltage = <850000>; - rohm,dvs-suspend-voltage = <810000>; + rohm,dvs-suspend-voltage = <850000>; regulator-always-on; }; -- 2.53.0