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Wed, 10 Dec 2025 11:16:14 +0100 From: Christophe Parant To: , , , CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Subject: [PATCH RESEND v2 07/11] ARM: dts: stm32: phycore-stm32mp15: Add dummy memory-node Date: Wed, 10 Dec 2025 11:16:07 +0100 Message-ID: <20251210101611.27008-8-c.parant@phytec.fr> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251210101611.27008-1-c.parant@phytec.fr> References: <20251210101611.27008-1-c.parant@phytec.fr> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on Idefix/Phytec(Release 9.0.1FP7|August 17, 2016) at 10.12.2025 11:16:15, Serialize by Router on Idefix/Phytec(Release 9.0.1FP7|August 17, 2016) at 10.12.2025 11:16:15 X-TNEFEvaluated: 1 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PEPF00028D09:EE_|VI0P195MB3033:EE_ X-MS-Office365-Filtering-Correlation-Id: b2074b86-2e20-4981-3f69-08de37d52936 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|82310400026; 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X-OriginatorOrg: phytec.fr X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2025 10:16:18.9642 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b2074b86-2e20-4981-3f69-08de37d52936 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Postix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: DU2PEPF00028D09.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0P195MB3033 "memory" node is not necessary as the bootloader is taking care of passing the correct DDR size. However keep a dummy memory node with the minimum DDR size (512MB) with comment explaining that. Signed-off-by: Christophe Parant --- arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi b/arch/arm/b= oot/dts/st/stm32mp15xx-phycore-som.dtsi index 72926c3de52c..ce859b94ae26 100644 --- a/arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi +++ b/arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi @@ -22,6 +22,15 @@ aliases { rtc1 =3D &rtc; }; =20 + /* + * Set the minimum memory size here and + * let the bootloader set the real size. + */ + memory@c0000000 { + device=5Ftype =3D "memory"; + reg =3D <0xc0000000 0x20000000>; + }; + reserved-memory { #address-cells =3D <1>; #size-cells =3D <1>; --=20 2.34.1