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Wed, 4 Nov 2026 15:02:17 +0100 From: Patrick Delaunay To: Patrick Delaunay , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , "Alexandre Torgue" , Ulf Hansson CC: Linux STM32 , , , , Subject: [PATCH 0/7] arm64: dts: st: add STM32MP2 power domains Date: Wed, 4 Nov 2026 14:55:03 +0100 Message-ID: <20261104135604.907283-1-patrick.delaunay@foss.st.com> X-Mailer: git-send-email 2.43.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: ENXCAS1NODE2.st.com (10.75.128.138) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MI3PEPF0000848B:EE_|BESPR10MB992274:EE_ X-MS-Office365-Filtering-Correlation-Id: fc0d658a-0e0f-4143-b110-08df3a7c404a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|23010399003|7416014|376014|82310400026|36860700016|261022075727099003|261022105027099003|11063799006|56012099006|261021123027099003|261009223027099003|261028144727099003|261026140227099003|261021121427099003|261026121527099003|261102123227099003|10067099003|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jt/0Ihw35Pyf+mF3PpS0Z00KEGKQWEQ69yzB0eo7CFWEmmvKKqUhJQyB+y0BPabUupcx+3qFCPuQ8ZJrgN94hvgKU7SwQjmVadN+cyf1Vd9N+hE1NlBxFQnBd+O+XuqlhGzC68q53T4+1zbAOFM4mLFoJoxeaSb/M1K3rpgE07WRkbJ09UL6Tmw+tV7v3BMJjjvv20y2BPwqGBumlvcChEeNhWlhiIZVfHddK0P6jA3ll52Dr7pbfXzm5dTUIa5ZRLCcRbcm4Z4O2Fyq+iatNtsPcIhp/0vca2S3CtjI7JoDk2TiQ54NwxV2R3abn8qWMaibTCHXq+El3PFuw8ZiPlXilKRZgJ45gTh5eMMQLOAq4iyrHEJIVeLi6oAmF+9pk2sMX+cIfHQ18Aj6nxLuHJkcwQt5yPyhREM2/lrL7gnTcQfsbOOV3gHiB88mYUKR X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Nov 2026 14:02:23.8494 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fc0d658a-0e0f-4143-b110-08df3a7c404a X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.60];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: MI3PEPF0000848B.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BESPR10MB992274 Hello, This series adds support for the D1 power domain used by the STM32MP2 families. The new power-domain driver uses runtime PM and the clock framework to keep the Cortex-A35 cluster in Run1 for devices that require it, while S2Idle wake-up is handled through EXTI1 and retention PSCI power domain (RET_PD). The power sub-domain D1 without GENPD_FLAG_ACTIVE_WAKEUP is required because PSCI domains manage the wake-up path since the commit bfd5859709ee ("cpuidle: psci: Activate GENPD_FLAG_ACTIVE_WAKEUP with OSI"). This patch is a preliminary step to support PSCI OSI in STM32MP2 platform and the same power domain will be used also in STM32MP1 series. The first 3 patches introduce the new power domain drivers. The next patches add this power domain in device tree for each STM32MP2 SoCs: STM32MP25, STM32MP23 and STM32MP21. Regards, Patrick Patrick Delaunay (7): dt-bindings: power: st: add STM32MP PM domain binding pmdomain: st: add STM32MP power domain MAINTAINERS: add entry for ST STM32 power domain driver arm64: dts: st: add D1 domain for STM32MP25 family arm64: dts: st: fix power-domain labels DT coding style in STM32MP25 arm64: dts: st: add D1 domain for STM32MP23 family arm64: dts: st: add power domains for STM32MP21 family .../bindings/power/st,stm32mp-pm-domain.yaml | 46 +++++++ MAINTAINERS | 7 + arch/arm64/boot/dts/st/stm32mp211.dtsi | 37 +++++ arch/arm64/boot/dts/st/stm32mp231.dtsi | 54 +++++--- arch/arm64/boot/dts/st/stm32mp233.dtsi | 1 + arch/arm64/boot/dts/st/stm32mp235.dtsi | 2 +- arch/arm64/boot/dts/st/stm32mp251.dtsi | 126 ++++++++++------- arch/arm64/boot/dts/st/stm32mp253.dtsi | 9 +- arch/arm64/boot/dts/st/stm32mp255.dtsi | 2 +- drivers/pmdomain/st/Kconfig | 14 ++ drivers/pmdomain/st/Makefile | 1 + drivers/pmdomain/st/stm32mp-pm-domain.c | 128 ++++++++++++++++++ 12 files changed, 353 insertions(+), 74 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/st,stm32mp-pm-domain.yaml create mode 100644 drivers/pmdomain/st/stm32mp-pm-domain.c --- base-commit: 7b3f3e772d5107c3a59b9f2278e9aeab227b26db branch: master -- 2.43.0