Documentation / devicetree / bindings / iommu / verisilicon,iommu.yaml


Based on kernel version 7.2. Page generated on 2026-08-20 08:41 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
# 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>;
      };
    };