[PATCH 00/10] pci-imx6: Add support for parsing the reset property in new Root Port binding
From: Sherry Sun <hidden>
Date: 2026-01-19 10:03:38
Also in:
imx, linux-devicetree, linux-pci, lkml
This patch set adds support for parsing the reset property in new Root Port binding in pci-imx6 driver, similar to the implementation in the qcom pcie driver[1]. The plan is to add the wake-gpio property to the root port in subsequent patches. Also, the vpcie-supply property will be moved to the root port node later based on the refactoring patch set for the PCI pwrctrl framework[2]. [1] https://lore.kernel.org/linux-pci/20250702-perst-v5-0-920b3d1f6ee1@qti.qualcomm.com/ (local) [2] https://lore.kernel.org/linux-pci/20260115-pci-pwrctrl-rework-v5-0-9d26da3ce903@oss.qualcomm.com/ (local) Signed-off-by: Sherry Sun <redacted> --- Sherry Sun (10): dt-bindings: PCI: fsl,imx6q-pcie: Add reset GPIO in Root Port node PCI: imx6: Add support for parsing the reset property in new Root Port binding arm: dts: imx6qdl: Add Root Port node and move PERST property to Root Port node arm: dts: imx6sx: Add Root Port node and move PERST property to Root Port node arm: dts: imx7d: Add Root Port node and move PERST property to Root Port node arm64: dts: imx8mm: Add Root Port node and move PERST property to Root Port node arm64: dts: imx8mp: Add Root Port node and move PERST property to Root Port node arm64: dts: imx8mq: Add Root Port nodes and move PERST property to Root Port node arm64: dts: imx8dxl/qm/qxp: Add Root Port nodes and move PERST property to Root Port node arm64: dts: imx95: Add Root Port nodes and move PERST property to Root Port node .../bindings/pci/fsl,imx6q-pcie.yaml | 29 ++++ .../arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi | 5 +- arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi | 11 ++ .../arm/boot/dts/nxp/imx/imx6qp-sabreauto.dts | 5 +- arch/arm/boot/dts/nxp/imx/imx6sx-sdb.dtsi | 5 +- arch/arm/boot/dts/nxp/imx/imx6sx.dtsi | 11 ++ arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts | 5 +- arch/arm/boot/dts/nxp/imx/imx7d.dtsi | 11 ++ .../boot/dts/freescale/imx8-ss-hsio.dtsi | 11 ++ arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 5 +- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 5 +- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 11 ++ arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 5 +- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 11 ++ arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 10 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 22 +++ arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 10 +- .../boot/dts/freescale/imx8qm-ss-hsio.dtsi | 22 +++ arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 5 +- .../boot/dts/freescale/imx95-15x15-evk.dts | 5 +- .../boot/dts/freescale/imx95-19x19-evk.dts | 10 +- arch/arm64/boot/dts/freescale/imx95.dtsi | 22 +++ drivers/pci/controller/dwc/pci-imx6.c | 128 ++++++++++++++++-- 23 files changed, 335 insertions(+), 29 deletions(-) -- 2.37.1