linux-kernel - [PATCH 1/2] dt-bindings: PCI: mediatek-gen3: Add support for Airoha AN7583

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Message-ID: <20250920092612.21464-1-ansuelsmth@gmail.com>
Date: Sat, 20 Sep 2025 11:25:34 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Ryder Lee <ryder.lee@...iatek.com>,
	Jianjun Wang <jianjun.wang@...iatek.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-pci@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	upstream@...oha.com
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH 1/2] dt-bindings: PCI: mediatek-gen3: Add support for Airoha AN7583

Introduce Airoha AN7583 SoC compatible in mediatek-gen3 PCIe controller
binding.

This differ from the Airoha EN7581 SoC by the fact that only one Gen3
PCIe controller is present on the SoC.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 .../bindings/pci/mediatek-pcie-gen3.yaml      | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index 0278845701ce..3f556d1327a6 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -59,6 +59,7 @@ properties:
       - const: mediatek,mt8192-pcie
       - const: mediatek,mt8196-pcie
       - const: airoha,en7581-pcie
+      - const: airoha,an7583-pcie-gen3
 
   reg:
     maxItems: 1
@@ -298,6 +299,26 @@ allOf:
             - const: phy-lane1
             - const: phy-lane2
 
+  - if:
+      properties:
+        compatible:
+          const: airoha,an7583-pcie-gen3
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+
+        clock-names:
+          items:
+            - const: sys-ck
+
+        resets:
+          minItems: 1
+
+        reset-names:
+          items:
+            - const: phy-lane0
+
 unevaluatedProperties: false
 
 examples:
-- 
2.51.0