linux-kernel - [PATCH 3/8] dt-bindings: iommu: mediatek: Add mediatek,pericfg phandle

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Message-Id: <20220517132107.195932-4-angelogioacchino.delregno@collabora.com>
Date:   Tue, 17 May 2022 15:21:02 +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,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 3/8] dt-bindings: iommu: mediatek: Add mediatek,pericfg phandle

Add property "mediatek,pericfg" to let the mtk_iommu driver retrieve
a phandle to the pericfg syscon instead of performing a per-soc
compatible lookup, as it was also done with infracfg.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 78c72c22740b..a6cf9678271f 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -116,6 +116,10 @@ properties:
       Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort
       according to the local arbiter index, like larb0, larb1, larb2...
 
+  mediatek,pericfg:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+    description: The phandle to the mediatek pericfg syscon
+
   '#iommu-cells':
     const: 1
     description: |
-- 
2.35.1