# \[PATCH\] dt-bindings: PCI: rockchip-dw: Allow endpoint supply

- From: Rob Herring (Arm) \<robh@kernel.org\>
- Date: 2026-11-09 18:49:56 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2026/11/17899397
- Thread: https://ratatoskr.run/linux-pci/2026/11/17899397/t.md

```text
Rockchip PCIe endpoint DTs describe the 3.3V PCIe regulator with
vpcie3v3-supply.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
 Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml
index f2d1137aff50..8915ca3b9f0d 100644
--- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml
@@ -40,6 +40,8 @@ properties:
       - const: addr_space
       - const: atu
 
+  vpcie3v3-supply: true
+
 required:
   - interrupts
   - interrupt-names
-- 
2.53.0


```