[PATCH 3/4] dt-bindings: PCI: Add UltraRISC DP1000 PCIe controller

[Jia Wang]

On 2026-03-16 11:05 +0100, Krzysztof Kozlowski wrote:
> On 16/03/2026 08:06, Jia Wang via B4 Relay wrote:
> > From: Jia Wang <wangjia at ultrarisc.com>
> > 
> > Add UltraRISC DP1000 SoC PCIe controller devicetree bindings.
> > 
> > Signed-off-by: Jia Wang <wangjia at ultrarisc.com>
> > ---
> >  .../bindings/pci/ultrarisc,dp1000-pcie.yaml        | 108 +++++++++++++++++++++
> >  1 file changed, 108 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/pci/ultrarisc,dp1000-pcie.yaml b/Documentation/devicetree/bindings/pci/ultrarisc,dp1000-pcie.yaml
> > new file mode 100644
> > index 000000000000..b50ff98dd878
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pci/ultrarisc,dp1000-pcie.yaml
> > @@ -0,0 +1,108 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/pci/ultrarisc,dp1000-pcie.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: UltraRISC DP1000 PCIe Host Controller
> > +
> > +description: |
> > +  UltraRISC DP1000 SoC PCIe host controller is based on the DesignWare PCIe IP.
> > +  This binding describes the UltraRISC specific extensions to the base DesignWare
> > +  PCIe binding.
> > +
> > +maintainers:
> > +  - Xincheng Zhang <zhangxincheng at ultrarisc.com>
> > +  - Jia Wang <wangjia at ultrarisc.com>
> > +
> > +allOf:
> > +  - $ref: /schemas/pci/pci-bus.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: ultrarisc,dp1000-pcie
> > +
> > +  reg:
> > +      - description: Data Bus Interface (DBI) registers.
> > +      - description: PCIe configuration space region.
> 
> Never tested. Test your patches before sending to avoid common mistakes.
> Several issues here are just duplicating known issue.
> 
> Read also sashiko review of your code.
> 
> https://sashiko.dev/#/patchset/20260316-ultrarisc-pcie-v1-0-ef2946ede698%40ultrarisc.com
>

Thanks for the review and the pointer.

I have checked the Sashiko report and will fix all issues in the next version. 

> Best regards,
> Krzysztof
> 

Best regards,
Jia