Re: [PATCH v4 0/3] arm64: dts: qcom: eliza-evk: Enable PCIe0 and PCIe1 with M.2 and TC9563 switch

[Bartosz Golaszewski]

On Tue, 28 Jul 2026 09:06:12 +0200, Krishna Chaitanya Chundru
<krishna.chundru@xxxxxxxxxxxxxxxx> said:
> This series enables PCIe for the Eliza EVK board (CQS SoM on EVK carrier).
>
> The Eliza EVK exposes two PCIe ports:
>
> - PCIe0 drives an M.2 E key connector. The 3.3V supply is GPIO-controlled
>   via a TCA9538 I/O expander on I2C4. The slot hosts a WLAN module
>   (connected over PCIe) and a Bluetooth device (connected over UART5),
>   modelled with the pcie-m2-e-connector binding.
>
> - PCIe1 (8GT/s x2) connects to a Toshiba TC9563 PCIe switch, whose
>   management interface sits on I2C4 (address 0x77). The TC9563 RESX# and
>   PERST# lines are OR-ed internally; reset is driven via a TLMM GPIO on
>   the RESX# pin. The iommu-map covers all downstream switch ports
>   (SID range 0x1400-0x1408).
>
> The M.2 WLAN module carries a Qualcomm QCC2072 Bluetooth chip. A device-ID
> entry is added to the M.2 power sequencer so the serdev node for the BT
> UART interface is created on PCI enumeration.
>
> This seris Depends-on:
>   https://lore.kernel.org/all/20260630-eliza-dts-qcs-evk-v4-3-18cbbdba6e7e@xxxxxxxxxxxxxxxx/
>   https://lore.kernel.org/all/20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@xxxxxxxxxxxxxxxx/
>
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
> ---
> Changes in v4:
> - Added new line and used pcie port names as pcieN_portM (Konrad).
> - Link to v3: https://patch.msgid.link/20260721-eliza_evk-v3-0-92b10038f13d@xxxxxxxxxxxxxxxx
>
> Changes in v3:
> - Clubbed pcie nodes to this series (Bjorn A)
>   (https://lore.kernel.org/all/20260708-eliza_dt-v2-1-e6281da26408@xxxxxxxxxxxxxxxx/)
> - Added comment for PERST (Mani).
> - Extended ranges property for pcie1 (Konrad).
> - Link to v2: https://patch.msgid.link/20260708-eliza_evk-v2-0-c599246ceba1@xxxxxxxxxxxxxxxx
>
> Changes in v2:
> - Drop patch 3, as this is already applied
> - Rebase on top of https://lore.kernel.org/all/20260708055017.A90C91F000E9@xxxxxxxxxxxxxxx/
>   and remove pincntrl as pincntrl is added in the eliza.dtsi patch and also remove
>   pinctrl for resx as this is covered in pcie1_default_state as perst gpio.
> - Link to v1: https://patch.msgid.link/20260703-eliza_evk-v1-0-7624440bd76d@xxxxxxxxxxxxxxxx
>
> ---
> Krishna Chaitanya Chundru (3):
>       arm64: dts: qcom: eliza: Add PCIe PHY and controller nodes
>       arm64: dts: qcom: eliza-evk: Add PCIe0 with M.2 E key connector
>       arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch
>
>  arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 229 ++++++++++++++++++
>  arch/arm64/boot/dts/qcom/eliza.dtsi     | 415 +++++++++++++++++++++++++++++++-
>  2 files changed, 642 insertions(+), 2 deletions(-)
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260629-eliza_evk-6f30686b161f
> prerequisite-patch-id: 9e10dfbe360941cdac0300aaf163149755952f9f
> prerequisite-patch-id: fecce0170351baf00cbe8f6b302d1def4d99bbfc
> prerequisite-patch-id: 97cd6cb495fdd198f6de7fbe45ef32e4a638ec9c
> prerequisite-message-id: <20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@xxxxxxxxxxxxxxxx>
> prerequisite-patch-id: f3615b5c1e2222a2491f862a7fba3994058ecc53
>
> Best regards,
> --
> Krishna Chaitanya Chundru <krishna.chundru@xxxxxxxxxxxxxxxx>
>
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>