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@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 (local)