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 460983B3C18 for ; Mon, 13 Apr 2026 14:58:11 +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=1776092291; cv=none; b=E3aDY+rv5QJKD1nby6CBDW0bNi4LhROACopqnow9dn+gzaZb2dO7n1ReIaZ681v8vLc0Q6VBpDe8JBjpVIlvYAKdYW9RD6oJiyzzLLP7abAC0Q4+K99aBC3Gel7cMepp5Yq5y5IpceHQP+TR9TDw5Y14bErUcGlZgS5ebbc+AAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776092291; c=relaxed/simple; bh=IWNA2PiUP0RRHe3/WeMmJrO8/t801asoq7J0PLEDbnU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kiqUMz01oGWC/ciVNkPf5p9et9PLX05HnDNA3PCDjDed+FdJbjJ70/1/RXk2Z7/tARXjMd4otABTJ7OeuCED2PeMBhb+pnUevKHtrLDZqpBE+XZhFY7zOMx+YPPQ35mYbLsDnsRdmVpJGIKUBk3p85XWlm9uVsaEUtOZ+ajwtJM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KUstMKA9; 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="KUstMKA9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82B10C2BCAF; Mon, 13 Apr 2026 14:58:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776092291; bh=IWNA2PiUP0RRHe3/WeMmJrO8/t801asoq7J0PLEDbnU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KUstMKA94Likal7McMr5Q7v/XmKzcbBz3TVpC96LTQig2heIdeij1CNwGImqBWGpJ AaWXYvoUjQ0lTEE7e0OLw2PAaSJqDarhVLYDUDIdPXGmkIG2g5sZL/kcuHwLfqm+Fl Y2F8TSj9hHFUN246ohsQvlWZqGmLmLnNfa27eKc/wI0Mype6TYlIw/fUeVXK41OuQz PenycH1gW0iJ83AaO2t6cG+zru0zhkyOo1SxfEaXTP0EMFRRLcxNea4uJJS+p4u7GE /oQZHTFyvkk2zPC4gt+4RtPE6lutMvEaLncZAD9thcPny9nAauFLQeEjN9g2tw76GJ phhS8av8VP1XA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sebastian Krzyszkowiak , Frank Li , Sasha Levin Subject: [PATCH 5.10.y 7/7] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V Date: Mon, 13 Apr 2026 10:58:04 -0400 Message-ID: <20260413145804.2968471-7-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413145804.2968471-1-sashal@kernel.org> References: <2026041310-reluctant-amaretto-6070@gregkh> <20260413145804.2968471-1-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 251504dba3f04..6e8d041dc4b80 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -653,7 +653,7 @@ 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