[PATCH v8 1/3] dt-bindings: PCI: dwc: Add AMD Versal2 mdb slcr support

[Thippeswamy Havalige <thippeswamy.havalige@amd.com>]

Add support for mdb slcr aperture that is only supported for AMD Versal2
devices.

Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
Changes in v3:
-------------
- Introduced below changes in dwc yaml schema.
Changes in v5:
-------------
- Modify mdb_pcie_slcr as constant.
Changes in v6:
-------------
-Modify slcr constant
---
 Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
index 205326fb2d75..fdecfe6ad5f1 100644
--- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
@@ -113,6 +113,8 @@ properties:
               enum: [ smu, mpu ]
             - description: Tegra234 aperture
               enum: [ ecam ]
+            - description: AMD MDB PCIe slcr region
+              const: slcr
     allOf:
       - contains:
           const: dbi
-- 
2.44.1