Re: [PATCH 3/4] dt-bindings: PCI: Add UltraRISC DP1000 PCIe controller
From: Jia Wang
Date: Fri Mar 20 2026 - 02:15:43 EST
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@xxxxxxxxxxxxx>
> >
> > Add UltraRISC DP1000 SoC PCIe controller devicetree bindings.
> >
> > Signed-off-by: Jia Wang <wangjia@xxxxxxxxxxxxx>
> > ---
> > .../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@xxxxxxxxxxxxx>
> > + - Jia Wang <wangjia@xxxxxxxxxxxxx>
> > +
> > +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