Platforms which use eDMA for PCIe EP transfers (like SA8775P) also use
IOMMU in order to setup transfer windows. Fix the schema in order to
allow specifying the IOMMU.
Fixes: 9d3d5e75f31c ("dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index 1226ee5d08d1ae909b07b0d78014618c4c74e9a8..800accdf5947e7178ad80f0759cf53111be1a814 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -75,6 +75,9 @@ properties:
- const: doorbell
- const: dma
+ iommus:
+ maxItems: 1
+
reset-gpios:
description: GPIO used as PERST# input signal
maxItems: 1
@@ -233,6 +236,20 @@ allOf:
minItems: 3
maxItems: 3
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,sdx55-pcie-ep
+ then:
+ properties:
+ iommus:
+ false
+
+ else:
+ required:
+ - iommus
+
unevaluatedProperties: false
examples:
--
2.39.5
