Add property "mediatek,pericfg" to let the mtk_iommu driver retrieve
a phandle to the infracfg syscon instead of performing a per-soc
compatible lookup in the entire devicetree and set it as a required
property for MT8195's infra IOMMU.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../devicetree/bindings/iommu/mediatek,iommu.yaml | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 4142a568b293..d5e3272a54e8 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: |
@@ -183,6 +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
