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From:   Frank Wunderlich <frank-w@public-files.de>
To:     linux-mediatek@lists.infradead.org
Cc:     Frank Wunderlich <frank-w@public-files.de>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Jianjun Wang <jianjun.wang@mediatek.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/2] dt-bindings: PCI: mediatek-gen3: add support for mt7986
Date:   Sat, 29 Oct 2022 19:58:06 +0200
Message-Id: <20221029175806.14899-3-frank-w@public-files.de>
In-Reply-To: <20221029175806.14899-1-frank-w@public-files.de>
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Precedence: bulk

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@public-files.de>
=2D--
v2:
- squashed patch 2+3 (compatible and clock definition)
=2D--
 .../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
=2D-- 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

=2D-
2.34.1