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Received: from VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) by AS8PR04MB8706.eurprd04.prod.outlook.com (2603:10a6:20b:429::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.17; Thu, 2 Apr 2026 10:09:13 +0000 Received: from VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994]) by VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994%6]) with mapi id 15.20.9769.018; Thu, 2 Apr 2026 10:09:13 +0000 From: Sherry Sun To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, bhelgaas@google.com, hongxing.zhu@nxp.com, l.stach@pengutronix.de Cc: imx@lists.linux.dev, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 0/8] PCI: imx6: Integrate pwrctrl API and update device trees Date: Thu, 2 Apr 2026 18:09:59 +0800 Message-Id: <20260402101007.208419-1-sherry.sun@nxp.com> X-Mailer: git-send-email 2.37.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2PR01CA0114.apcprd01.prod.exchangelabs.com (2603:1096:4:40::18) To VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI0PR04MB12114:EE_|AS8PR04MB8706:EE_ X-MS-Office365-Filtering-Correlation-Id: d990d1a7-eb91-4ba1-765e-08de909fe401 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|52116014|376014|366016|1800799024|19092799006|38350700014|921020|18002099003|56012099003; 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This series integrates the PCI pwrctrl framework into the pci-imx6 driver and updates i.MX EVK board device trees to support it. Patches 2-8 update device trees for i.MX EVK boards which maintained by NXP to move power supply properties from the PCIe controller node to the Root Port child node, which is required for pwrctrl framework. Affected boards: - i.MX6Q/DL SABRESD - i.MX6SX SDB - i.MX8MM EVK - i.MX8MP EVK - i.MX8MQ EVK - i.MX8DXL/QM/QXP EVK - i.MX95 15x15/19x19 EVK The driver maintains legacy regulator handling for device trees that haven't been updated yet. Both old and new device tree structures are supported. [1] https://lore.kernel.org/all/20260318062916.2747472-1-sherry.sun@nxp.com/ Signed-off-by: Sherry Sun --- Changes in V2: 1. After commit 2d8c5098b847 ("PCI/pwrctrl: Do not power off on pwrctrl device removal"), the pwrctrl drivers no longer power off devices during removal. Update pci-imx6 driver's shutdown callback in patch#1 to explicitly call pci_pwrctrl_power_off_devices() before pci_pwrctrl_destroy_devices() to ensure devices are properly powered off. --- Sherry Sun (8): PCI: imx6: Integrate new pwrctrl API for pci-imx6 arm: dts: imx6qdl-sabresd: Move power supply property to Root Port node arm: dts: imx6sx-sdb: Move power supply property to Root Port node arm64: dts: imx8mm-evk: Move power supply property to Root Port node arm64: dts: imx8mp-evk: Move power supply properties to Root Port node arm64: dts: imx8mq-evk: Move power supply properties to Root Port node arm64: dts: imx8dxl/qm/qxp: Move power supply properties to Root Port node arm64: dts: imx95: Move power supply properties to Root Port node .../arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi | 2 +- arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 4 ++-- .../boot/dts/freescale/imx95-15x15-evk.dts | 4 ++-- .../boot/dts/freescale/imx95-19x19-evk.dts | 8 +++---- drivers/pci/controller/dwc/Kconfig | 1 + drivers/pci/controller/dwc/pci-imx6.c | 24 ++++++++++++++++++- 12 files changed, 43 insertions(+), 20 deletions(-) -- 2.37.1