# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/dma/nvidia,tegra186-gpc-dma.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: NVIDIA Tegra GPC DMA Controller description: | The Tegra General Purpose Central (GPC) DMA controller is used for faster data transfers between memory to memory, memory to device and device to memory. maintainers: - Jon Hunter - Rajesh Gumasta allOf: - $ref: dma-controller.yaml# properties: compatible: oneOf: - const: nvidia,tegra186-gpcdma - items: - enum: - nvidia,tegra234-gpcdma - nvidia,tegra194-gpcdma - const: nvidia,tegra186-gpcdma "#dma-cells": const: 1 reg: maxItems: 1 interrupts: description: Should contain all of the per-channel DMA interrupts in ascending order with respect to the DMA channel index. minItems: 1 maxItems: 32 resets: maxItems: 1 reset-names: const: gpcdma iommus: maxItems: 1 dma-coherent: true dma-channel-mask: maxItems: 1 required: - compatible - reg - interrupts - resets - reset-names - "#dma-cells" - iommus - dma-channel-mask additionalProperties: false examples: - | #include #include #include dma-controller@2600000 { compatible = "nvidia,tegra186-gpcdma"; reg = <0x2600000 0x210000>; resets = <&bpmp TEGRA186_RESET_GPCDMA>; reset-names = "gpcdma"; interrupts = , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ; #dma-cells = <1>; iommus = <&smmu TEGRA186_SID_GPCDMA_0>; dma-coherent; dma-channel-mask = <0xfffffffe>; }; ...