[PATCH v2 2/2] dt-bindings: PCI: mediatek-gen3: add support for mt7986

[Frank Wunderlich]

From: Frank Wunderlich <frank-w at public-files.de>

Add compatible string and clock-definition for mt7986. It needs 4 clocks
for PCIe, define them in binding.

Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
v2:
- squashed patch 2+3 (compatible and clock definition)
---
 .../bindings/pci/mediatek-pcie-gen3.yaml        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 98d3f0f1cd76..57d0e84253e9 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -48,6 +48,7 @@ properties:
     oneOf:
       - items:
           - enum:
+              - mediatek,mt7986-pcie
               - mediatek,mt8188-pcie
               - mediatek,mt8195-pcie
           - const: mediatek,mt8192-pcie
@@ -78,9 +79,11 @@ properties:
       - const: mac
 
   clocks:
+    minItems: 4
     maxItems: 6
 
   clock-names:
+    minItems: 4
     maxItems: 6
 
   assigned-clocks:
@@ -161,6 +164,20 @@ allOf:
             - const: tl_32k
             - const: peri_26m
             - const: peri_mem
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - mediatek,mt7986-pcie
+    then:
+      properties:
+        clock-names:
+          items:
+            - const: pl_250m
+            - const: tl_26m
+            - const: peri_26m
+            - const: top_133m
 
 unevaluatedProperties: false
 
-- 
2.34.1