[PATCH 0/8] Add PCIe M.2 Key E connector support for NXP i.MX boards

Bartosz Golaszewski brgl at kernel.org
Fri Jun 19 00:37:15 PDT 2026


On Thu, 18 Jun 2026 12:10:39 +0200, "Sherry Sun (OSS)"
<sherry.sun at oss.nxp.com> said:
> From: Sherry Sun <sherry.sun at nxp.com>
>
> This series adds support for NXP Wi-Fi/BT combo chips (88W9098, AW693)
> inserted into PCIe M.2 Key E connectors on several i.MX EVK/MEK boards.
>
> For M.2 cards that rely on PCIe L2 link state and wake-up mechanisms, the
> card must remain powered during suspend. Patch 1 uses the existing
> dw_pcie_rp::skip_pwrctrl_off flag to skip power-off during suspend and skip
> power-on during the init path.
>
> Alsp the btnxpuart driver is extended to obtain a pwrseq descriptor via the
> OF graph on the UART controller device in patch 2.
>
> Sherry Sun (8):
>   PCI: imx6: Add skip_pwrctrl_off flag support
>   power: sequencing: pcie-m2: Add PCI ID for NXP 88W9098 and AW693
>     Bluetooth

Can this be applied independently without build-time issues?

Bart

>   Bluetooth: btnxpuart: Add M.2 Bluetooth device support using pwrseq
>   arm64: dts: imx8mq-evk: Describe the PCIe M.2 Key E connector
>   arm64: dts: imx95-19x19-evk: Describe the PCIe M.2 Key E connector
>   arm64: dts: imx8dxl-evk: Describe the PCIe M.2 Key E connector
>   arm64: dts: imx8qm-mek: Describe the PCIe M.2 Key E connector
>   arm64: dts: imx8qxp-mek: Describe the PCIe M.2 Key E connector
>
>  arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 56 +++++++++++++-----
>  arch/arm64/boot/dts/freescale/imx8mq-evk.dts  | 44 ++++++++++++--
>  arch/arm64/boot/dts/freescale/imx8qm-mek.dts  | 58 ++++++++++++++-----
>  arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 54 ++++++++++++-----
>  .../boot/dts/freescale/imx95-19x19-evk.dts    | 55 +++++++++++++-----
>  drivers/bluetooth/btnxpuart.c                 | 33 ++++++++++-
>  drivers/pci/controller/dwc/pci-imx6.c         | 36 +++++++-----
>  drivers/power/sequencing/pwrseq-pcie-m2.c     |  4 ++
>  8 files changed, 264 insertions(+), 76 deletions(-)
>
> --
> 2.50.1
>
>



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