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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2# Copyright (C) 2022, Intel Corporation3%YAML 1.24---5$id: http://devicetree.org/schemas/soc/intel/intel,hps-copy-engine.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: Intel HPS Copy Engine9 10maintainers:11 - Matthew Gerlach <matthew.gerlach@linux.intel.com>12 13description: |14 The Intel Hard Processor System (HPS) Copy Engine is an IP block used to copy15 a bootable image from host memory to HPS DDR. Additionally, there is a16 register the HPS can use to indicate the state of booting the copied image as17 well as a keep-a-live indication to the host.18 19properties:20 compatible:21 const: intel,hps-copy-engine22 23 '#dma-cells':24 const: 125 26 reg:27 maxItems: 128 29required:30 - compatible31 - reg32 33additionalProperties: false34 35examples:36 - |37 bus@80000000 {38 compatible = "simple-bus";39 reg = <0x80000000 0x60000000>,40 <0xf9000000 0x00100000>;41 reg-names = "axi_h2f", "axi_h2f_lw";42 #address-cells = <2>;43 #size-cells = <1>;44 ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>;45 46 dma-controller@0 {47 compatible = "intel,hps-copy-engine";48 reg = <0x00000000 0x00000000 0x00001000>;49 #dma-cells = <1>;50 };51 };52