From c6abd0eadec65a929bd69718daae887197f85dd3 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Wed, 3 Jul 2024 18:12:41 +0200
Subject: [PATCH] dt-bindings: PCI: mediatek-gen3: Add support for Airoha
 EN7581
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Introduce Airoha EN7581 entry in mediatek-gen3 PCIe controller binding.

Link: https://lore.kernel.org/linux-pci/138d65a140c3dcf2a6aefecc33ba6ba3ca300a23.1720022580.git.lorenzo@kernel.org
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Jianjun Wang <jianjun.wang@mediatek.com>
---
 .../bindings/pci/mediatek-pcie-gen3.yaml      | 68 +++++++++++++++++--
 1 file changed, 63 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 76d742051f73..898c1be2d6a4 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -53,6 +53,7 @@ properties:
               - mediatek,mt8195-pcie
           - const: mediatek,mt8192-pcie
       - const: mediatek,mt8192-pcie
+      - const: airoha,en7581-pcie
 
   reg:
     maxItems: 1
@@ -76,20 +77,20 @@ properties:
 
   resets:
     minItems: 1
-    maxItems: 2
+    maxItems: 3
 
   reset-names:
     minItems: 1
-    maxItems: 2
+    maxItems: 3
     items:
-      enum: [ phy, mac ]
+      enum: [ phy, mac, phy-lane0, phy-lane1, phy-lane2 ]
 
   clocks:
-    minItems: 4
+    minItems: 1
     maxItems: 6
 
   clock-names:
-    minItems: 4
+    minItems: 1
     maxItems: 6
 
   assigned-clocks:
@@ -147,6 +148,9 @@ allOf:
           const: mediatek,mt8192-pcie
     then:
       properties:
+        clocks:
+          minItems: 4
+
         clock-names:
           items:
             - const: pl_250m
@@ -155,6 +159,15 @@ allOf:
             - const: tl_32k
             - const: peri_26m
             - const: top_133m
+
+        resets:
+          minItems: 1
+          maxItems: 2
+
+        reset-names:
+          minItems: 1
+          maxItems: 2
+
   - if:
       properties:
         compatible:
@@ -164,6 +177,9 @@ allOf:
               - mediatek,mt8195-pcie
     then:
       properties:
+        clocks:
+          minItems: 4
+
         clock-names:
           items:
             - const: pl_250m
@@ -172,6 +188,15 @@ allOf:
             - const: tl_32k
             - const: peri_26m
             - const: peri_mem
+
+        resets:
+          minItems: 1
+          maxItems: 2
+
+        reset-names:
+          minItems: 1
+          maxItems: 2
+
   - if:
       properties:
         compatible:
@@ -180,6 +205,9 @@ allOf:
               - mediatek,mt7986-pcie
     then:
       properties:
+        clocks:
+          minItems: 4
+
         clock-names:
           items:
             - const: pl_250m
@@ -187,6 +215,36 @@ allOf:
             - const: peri_26m
             - const: top_133m
 
+        resets:
+          minItems: 1
+          maxItems: 2
+
+        reset-names:
+          minItems: 1
+          maxItems: 2
+
+  - if:
+      properties:
+        compatible:
+          const: airoha,en7581-pcie
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+
+        clock-names:
+          items:
+            - const: sys-ck
+
+        resets:
+          minItems: 3
+
+        reset-names:
+          items:
+            - const: phy-lane0
+            - const: phy-lane1
+            - const: phy-lane2
+
 unevaluatedProperties: false
 
 examples: