linux-kernel - [PATCH v3 1/3] dt-bindings: PCI: mediatek-gen3: Support mt8195

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Date:   Fri, 28 Oct 2022 17:28:34 +0800
From:   Tinghan Shen <tinghan.shen@...iatek.com>
To:     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>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <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>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        TingHan Shen <tinghan.shen@...iatek.com>
Subject: [PATCH v3 1/3] dt-bindings: PCI: mediatek-gen3: Support mt8195

From: Jianjun Wang <jianjun.wang@...iatek.com>

In order to support mt8195 pcie node, update the yaml to support new
properties of iommu and power-domain, and update the reset-names
property to allow only one 'mac' name.

Signed-off-by: Jianjun Wang <jianjun.wang@...iatek.com>
Signed-off-by: TingHan Shen <tinghan.shen@...iatek.com>
---
 .../bindings/pci/mediatek-pcie-gen3.yaml         | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
index c00be39af64e..a9013c10131a 100644
--- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
@@ -70,14 +70,21 @@ properties:
     minItems: 1
     maxItems: 8
 
+  iommu-map:
+    maxItems: 1
+
+  iommu-map-mask:
+    const: 0
+
   resets:
     minItems: 1
     maxItems: 2
 
   reset-names:
-    minItems: 1
-    items:
-      - const: phy
+    oneOf:
+      - items:
+          - const: phy
+          - const: mac
       - const: mac
 
   clocks:
@@ -107,6 +114,9 @@ properties:
     items:
       - const: pcie-phy
 
+  power-domains:
+    maxItems: 1
+
   '#interrupt-cells':
     const: 1
 
-- 
2.18.0