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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iommu/verisilicon,iommu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Verisilicon IOMMU
maintainers:
- Benjamin Gaignard <benjamin.gaignard@collabora.com>
description: |+
A Versilicon iommu translates io virtual addresses to physical addresses for
its associated video decoder.
properties:
compatible:
items:
- const: rockchip,rk3588-av1-iommu
- const: verisilicon,iommu-1.2
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: Core clock
- description: Interface clock
clock-names:
items:
- const: core
- const: iface
"#iommu-cells":
const: 0
power-domains:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- "#iommu-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/rockchip,rk3588-cru.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
bus {
#address-cells = <2>;
#size-cells = <2>;
iommu@fdca0000 {
compatible = "rockchip,rk3588-av1-iommu","verisilicon,iommu-1.2";
reg = <0x0 0xfdca0000 0x0 0x600>;
interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>;
clock-names = "core", "iface";
#iommu-cells = <0>;
};
};
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