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

Manivannan Sadhasivam
2026-04-04T17:10:31Z

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@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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