1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright (C) 2022, Intel Corporation
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/soc/intel/intel,hps-copy-engine.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Intel HPS Copy Engine
9
10 maintainers:
11 - Matthew Gerlach <matthew.gerlach@linux.intel.com>
12
13 description: |
14 The Intel Hard Processor System (HPS) Copy Engine is an IP block used to copy
15 a bootable image from host memory to HPS DDR. Additionally, there is a
16 register the HPS can use to indicate the state of booting the copied image as
17 well as a keep-a-live indication to the host.
18
19 properties:
20 compatible:
21 const: intel,hps-copy-engine
22
23 '#dma-cells':
24 const: 1
25
26 reg:
27 maxItems: 1
28
29 required:
30 - compatible
31 - reg
32
33 additionalProperties: false
34
35 examples:
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 };
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