[PATCH V2 0/8] PCI: imx6: Integrate pwrctrl API and update device trees

[Manivannan Sadhasivam]

On Thu, Apr 02, 2026 at 06:09:59PM +0800, Sherry Sun wrote:
> Note: This patch set depends on my previous patch set [1] which adds
> Root Port device tree nodes and support parsing the reset property in
> new Root Port binding in pci-imx6 driver.
> 
> 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.
> 

Thanks for the work! Due to some recently merged patches, this series (Patch 1)
doesn't apply on top of pci/controller/dwc-imx6 branch. Please rebase and
resend!

- Mani

> [1] https://lore.kernel.org/all/20260318062916.2747472-1-sherry.sun@nxp.com/
> 
> Signed-off-by: Sherry Sun <sherry.sun at nxp.com>
> ---
> 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
> 

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