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author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2022-06-16 14:08:26 +0300 |
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committer | Joerg Roedel <jroedel@suse.de> | 2022-06-22 16:44:25 +0300 |
commit | d034dbbb9b2ac32aa06c104701fdf81ebdfea9a2 (patch) | |
tree | 377328945baaaec5466020cce6e9b4ff0df5934d /Documentation/devicetree/bindings/iommu | |
parent | a111daf0c53ae91e71fd2bfe7497862d14132e3e (diff) | |
download | linux-d034dbbb9b2ac32aa06c104701fdf81ebdfea9a2.tar.xz |
dt-bindings: iommu: mediatek: Add mediatek,infracfg phandle
Add property "mediatek,infracfg" 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 MT2712 and MT8173.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220616110830.26037-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
-rw-r--r-- | Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml index 2ae3bbad7f1a..fee0241b5098 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml @@ -101,6 +101,10 @@ properties: items: - const: bclk + mediatek,infracfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle to the mediatek infracfg syscon + mediatek,larbs: $ref: /schemas/types.yaml#/definitions/phandle-array minItems: 1 @@ -167,6 +171,18 @@ allOf: required: - power-domains + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt2712-m4u + - mediatek,mt8173-m4u + + then: + required: + - mediatek,infracfg + - if: # The IOMMUs don't have larbs. not: properties: @@ -191,6 +207,7 @@ examples: interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>; clocks = <&infracfg CLK_INFRA_M4U>; clock-names = "bclk"; + mediatek,infracfg = <&infracfg>; mediatek,larbs = <&larb0>, <&larb1>, <&larb2>, <&larb3>, <&larb4>, <&larb5>; #iommu-cells = <1>; |