From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) (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 B7D9F22A1E4; Wed, 14 May 2025 09:42:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=93.104.207.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747215733; cv=none; b=OvBDE9st0GGBG3drFDeIxgFlSECJmdk1nTSm/Ka/i5w+E9ghHfFPnQtjgFMYS4FLmXsfChNPQTD2yxD03pfH/QIoO2FPIV8AnAHisyUUJxDClDOIi8PwNsscgapmGBs3w2V3wKs9BIjaptlPUP+N7uTeJzYF2cfRDQy761P3S9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747215733; c=relaxed/simple; bh=zoXMW86+ZJ8fN+eY3ZCHabWml+/Ig28iGSVplBxm2Ts=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=bRZQlzYYkoc2xvSYbGZz/YGOa9o+0G7eN5U/6a6X5WqXSKyhV7o36iI5KDQVaoUJbeUTL8MD5SPtgBUqAVsRLtLrVaszXeFtJn1xSpNyrAXUTQ+mQyKDbUGIELvOapDbP9JYd2h34QChaiS/Ni5PvmWjRVCfBjk8LxcfIDK5xaI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ew.tq-group.com; spf=pass smtp.mailfrom=ew.tq-group.com; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.b=kv0LLRtx; dkim=fail (0-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b=Z5MFqRMb reason="key not found in DNS"; arc=none smtp.client-ip=93.104.207.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ew.tq-group.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.b="kv0LLRtx"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b="Z5MFqRMb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1747215729; x=1778751729; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=+Wvx3ucJuAray+HL/HptLX7X5NZZogGGvAUJPEAufiY=; b=kv0LLRtxNnI9SU8zZLTgicKbsbc7nRc2KZEvBG5dKUGxtjfuSAhLeFV8 HfVvnkLuAWf388GQE7GfENX4n16iphXGAODa8BnVA5hThrsD6terGSepv Dg5Trw8zh5KBUDHf/QH+u5yvbWoLil8u0xrQt13zkaQNHAdYLWYxa590J jqsd1Bs16P+yDunH4SgT9rkC4iEuDgGlgLr7n7VseT+/b/qM8U0hG/mGT MVCsEU9BFKaiKd85Jl+XxbjLpm56ajgEGgK1MlkXG3NNb3QjsQGemy+VX 5fpERtxyaBYhtO6+O0ENbQwFLZ6hFPPpkw7ExoeT+10kTG3Da08shq42J Q==; X-CSE-ConnectionGUID: Q9Nola/5Qeu9dMgyPBR+VQ== X-CSE-MsgGUID: Om5AOhGLSN62OmU1viv7QQ== X-IronPort-AV: E=Sophos;i="6.15,287,1739833200"; d="scan'208";a="44067208" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 14 May 2025 11:42:05 +0200 X-CheckPoint: {6824656D-3F-DF3E87D0-C74668F0} X-MAIL-CPID: B2EC1E38393EE08C66776342BF6B7804_0 X-Control-Analysis: str=0001.0A00639C.68246580.0078,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B3845168F22; Wed, 14 May 2025 11:41:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1747215721; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=+Wvx3ucJuAray+HL/HptLX7X5NZZogGGvAUJPEAufiY=; b=Z5MFqRMb5LX1beEmHGwIHMDFVu3mtTHZVP8rFGpLNK2jjcBOtun5gXXUjpO3tismICs4zo v1QTHzIciZLq9/vkoPXiTmCyNaILP6KczQabmMGcbW3wjR5E/W7z4WYpTisQ3yTXfxsfB2 o/70xfo4iUBfb6+8hM6i0oVV9/4J73m8HW+PPfQ/pYY4I/xdObKS8fVVuXcuERzTYH1FVG tIE3nOyW83w53o4yCD+kzwaSZXVh386q6Gl8taaEvuQ3v1l0iO0ez/mmhSBJ6lrkXj6ZEU s5YkFrvUc5+Gf5no+WYLgaptaOuTdymTyx9+b5nXxnrBImOlFt/Gb7dhUhUGXA== From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Alexander Stein , Peng Fan Cc: linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] arm64: dts: freescale: imx93-tqma9352: Limit BUCK2 to 600mV Date: Wed, 14 May 2025 11:41:27 +0200 Message-ID: <20250514094130.621087-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 TQMa9352 is only using LPDDR4X, so the BUCK2 regulator should be fixed at 600MV. Fixes: d2858e6bd36c ("arm64: dts: freescale: imx93-tqma9352: Add PMIC node") Signed-off-by: Alexander Stein --- arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi index 2cabdae242273..09385b058664c 100644 --- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) /* - * Copyright (c) 2022 TQ-Systems GmbH , + * Copyright (c) 2022-2025 TQ-Systems GmbH , * D-82229 Seefeld, Germany. * Author: Markus Niebel */ @@ -110,11 +110,11 @@ buck1: BUCK1 { regulator-ramp-delay = <3125>; }; - /* V_DDRQ - 1.1 LPDDR4 or 0.6 LPDDR4X */ + /* V_DDRQ - 0.6 V for LPDDR4X */ buck2: BUCK2 { regulator-name = "BUCK2"; regulator-min-microvolt = <600000>; - regulator-max-microvolt = <1100000>; + regulator-max-microvolt = <600000>; regulator-boot-on; regulator-always-on; regulator-ramp-delay = <3125>; -- 2.43.0