72 lines
1.4 KiB
YAML
72 lines
1.4 KiB
YAML
# 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>;
|
|
};
|
|
};
|