6f18ce8026
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").
Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
58 lines
1.2 KiB
YAML
58 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright 2020 Unisoc Inc.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iommu/sprd,iommu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Unisoc IOMMU and Multi-media MMU
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maintainers:
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- Chunyan Zhang <zhang.lyra@gmail.com>
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properties:
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compatible:
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enum:
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- sprd,iommu-v1
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"#iommu-cells":
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const: 0
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description:
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Unisoc IOMMUs are all single-master IOMMU devices, therefore no
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additional information needs to associate with its master device.
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Please refer to the generic bindings document for more details,
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Documentation/devicetree/bindings/iommu/iommu.txt
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reg:
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maxItems: 1
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clocks:
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description:
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Reference to a gate clock phandle, since access to some of IOMMUs are
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controlled by gate clock, but this is not required.
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required:
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- compatible
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- reg
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- "#iommu-cells"
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additionalProperties: false
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examples:
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- |
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iommu_disp: iommu@63000800 {
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compatible = "sprd,iommu-v1";
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reg = <0x63000800 0x80>;
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#iommu-cells = <0>;
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};
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- |
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iommu_jpg: iommu@62300300 {
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compatible = "sprd,iommu-v1";
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reg = <0x62300300 0x80>;
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#iommu-cells = <0>;
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clocks = <&mm_gate 1>;
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};
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...
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