[next v7 4/8] dt-bindings: PCI: mediatek-gen3: add support for mt7986

[Frank Wunderlich]

From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Acked-by: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
---
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 ef5cc1fc4d10..7e8c7a2a5f9b 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
@@ -84,9 +85,11 @@ properties:
       enum: [ phy, mac ]
 
   clocks:
+    minItems: 4
     maxItems: 6
 
   clock-names:
+    minItems: 4
     maxItems: 6
 
   assigned-clocks:
@@ -169,6 +172,20 @@ 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