[PATCH v6 0/7] Add ASPEED PCIe Root Complex support

[Rob Herring]

On Mon, Dec 01, 2025 at 02:29:10PM +0800, Jacky Chou wrote:
> This patch series adds support for the ASPEED PCIe Root Complex,
> including device tree bindings, pinctrl support, and the PCIe host controller
> driver. The patches introduce the necessary device tree nodes, pinmux groups,
> and driver implementation to enable PCIe functionality on ASPEED platforms.
> Currently, the ASPEED PCIe Root Complex only supports a single port.
> 
> Summary of changes:
> - Add device tree binding documents for ASPEED PCIe PHY, PCIe Config, and PCIe RC
> - Update MAINTAINERS for new bindings and driver
> - Add PCIe RC node and PERST control pin to aspeed-g6 device tree
> - Implement ASPEED PCIe PHY driver
> - Implement ASPEED PCIe Root Complex host controller driver
> 
> This series has been tested on AST2600/AST2700 platforms and enables PCIe device
> enumeration and operation.
> 
> Signed-off-by: Jacky Chou <jacky_chou at aspeedtech.com>
> ---
> Changes in v6:
> - Refer to pci-cpi-bridge.yaml to update aspeed,ast2600-pcie.yaml and
>   the pcie node of aspeed-g6.dtsi.

Where is this? You don't describe the root port and its properties at 
all now.

> - 'dt-bindings: pinctrl: aspeed,ast2600-pinctrl: Add PCIe RC PERST#
>   group' have applied, remove it from this version.
> - Adjust the defnitions in pci.h. 
> - Link to v5: https://lore.kernel.org/r/20251117-upstream_pcie_rc-v5-0-b4a198576acf@aspeedtech.com