From nobody Fri Sep 5 22:29:15 2025 Received: from cpanel.siel.si (cpanel.siel.si [46.19.9.99]) (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 6141E1BC065; Tue, 18 Feb 2025 07:42:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.19.9.99 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739864564; cv=none; b=uUTDlih89pSc+gibeYf8v24/uDRGxo671m6Xiz14gQcPcRrfuToliWUKtKjaGTRHACbnUuGU4QZ/ODKKjQlPfwqju525sBjiI+FC9lfq1BqqGkCm6rlHMHobsBFhceDqB5EAx9uJdmgJXX461TtppBd61nvqqYAxpGvEY/khuww= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739864564; c=relaxed/simple; bh=Ayig7V5fyA1CYp0buaoOnhbR/1eLoPsw9WKzECPQNSY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cYoOc+Aqh7IQG5f6u5aL28m6a9IvVAoA7CO5JXklvqditkCqS/GpesJZhcOunT1GB3/Ljfjf/NVqpjALfNwIWulAWMTlRneg/pD/XjWcDE1WblIqBk09lSvwUIdYk9bLCKeq2qXKan9QYt6DJTmEgBudvTA4PRqeXP0W97n//J0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com; spf=pass smtp.mailfrom=norik.com; arc=none smtp.client-ip=46.19.9.99 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=norik.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=norik.com Received: from 89-212-21-243.static.t-2.net ([89.212.21.243]:52604 helo=and-HP-Z4..) by cpanel.siel.si with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1tkIFd-00G0MD-04; Tue, 18 Feb 2025 08:42:40 +0100 From: Andrej Picej To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de Subject: [PATCH v3 01/15] arm64: dts: imx8mm-phycore-som: Keep LDO3 on in suspend Date: Tue, 18 Feb 2025 08:41:42 +0100 Message-Id: <20250218074156.807214-2-andrej.picej@norik.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250218074156.807214-1-andrej.picej@norik.com> References: <20250218074156.807214-1-andrej.picej@norik.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel.siel.si X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - norik.com X-Get-Message-Sender-Via: cpanel.siel.si: authenticated_id: andrej.picej@norik.com X-Authenticated-Sender: cpanel.siel.si: andrej.picej@norik.com X-Source: X-Source-Args: X-Source-Dir: Content-Type: text/plain; charset="utf-8" From: Teresa Remmet LDO3 is also used as switch for enabling VDD_3V3_S and need to be kept on during suspend. Disabling this can lead to an unwanted reset during resume. Set LDO3 to 2,5V as the voltage should be fix. Signed-off-by: Teresa Remmet Signed-off-by: Andrej Picej --- Changes in v3: - no change --- arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi b/arch/a= rm64/boot/dts/freescale/imx8mm-phycore-som.dtsi index 6069678244f3..7761acc5c510 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi @@ -161,11 +161,13 @@ reg_vcc_enet: ldo3 { regulator-always-on; regulator-boot-on; regulator-max-microvolt =3D <2500000>; - regulator-min-microvolt =3D <1500000>; + regulator-min-microvolt =3D <2500000>; regulator-name =3D "VCC_ENET_2V5 (LDO3)"; =20 regulator-state-mem { - regulator-off-in-suspend; + regulator-on-in-suspend; + regulator-suspend-max-microvolt =3D <2500000>; + regulator-suspend-min-microvolt =3D <2500000>; }; }; =20 --=20 2.34.1