linux-kernel - [PATCH v2 7/7] dt-bindings: iommu: mediatek: Require mediatek,pericfg for mt8195-infra

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Message-Id: <20220518100503.37279-8-angelogioacchino.delregno@collabora.com>
Date:   Wed, 18 May 2022 12:05:03 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     yong.wu@...iatek.com
Cc:     joro@...tes.org, will@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        iommu@...ts.linux-foundation.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        krzysztof.kozlowski@...aro.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v2 7/7] dt-bindings: iommu: mediatek: Require mediatek,pericfg for mt8195-infra

The MT8195 SoC has IOMMU related registers in the pericfg_ao iospace:
require a phandle to that.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 .../devicetree/bindings/iommu/mediatek,iommu.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index acc2d7e63a9f..d5e3272a54e8 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -187,6 +187,16 @@ allOf:
       required:
         - mediatek,infracfg
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8195-iommu-infra
+
+    then:
+      required:
+        - mediatek,pericfg
+
   - if: # The IOMMUs don't have larbs.
       not:
         properties:
-- 
2.35.1