kernel/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
2024-07-22 17:22:30 +08:00

62 lines
1.2 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iommu/allwinner,sun50i-h6-iommu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner H6 IOMMU Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
"#iommu-cells":
const: 1
description:
The content of the cell is the master ID.
compatible:
const: allwinner,sun50i-h6-iommu
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
resets:
maxItems: 1
required:
- "#iommu-cells"
- compatible
- reg
- interrupts
- clocks
- resets
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/sun50i-h6-ccu.h>
#include <dt-bindings/reset/sun50i-h6-ccu.h>
iommu: iommu@30f0000 {
compatible = "allwinner,sun50i-h6-iommu";
reg = <0x030f0000 0x10000>;
interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_IOMMU>;
resets = <&ccu RST_BUS_IOMMU>;
#iommu-cells = <1>;
};
...