linux-kernel - [PATCH v4 05/11] dt-bindings: PCI: mediatek-gen3: add support for mt7986

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Date:   Sat, 12 Nov 2022 10:15:12 +0100
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Jianjun Wang <jianjun.wang@...iatek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Bo Jiao <Bo.Jiao@...iatek.com>, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-usb@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v4 05/11] dt-bindings: PCI: mediatek-gen3: add support for mt7986

From: Frank Wunderlich <frank-w@...lic-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@...lic-files.de>
Reviewed-by: Rob Herring <robh@...nel.org>
---
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 5d7369debff2..f7a02019daea 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:
@@ -160,6 +163,20 @@ 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