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