xref: /freebsd/sys/contrib/device-tree/Bindings/fpga/altr,socfpga-hps2fpga-bridge.yaml (revision e9ac41698b2f322d55ccf9da50a3596edb2c1800)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/fpga/altr,socfpga-hps2fpga-bridge.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Altera FPGA/HPS Bridge
8
9maintainers:
10  - Xu Yilun <yilun.xu@intel.com>
11
12allOf:
13  - $ref: fpga-bridge.yaml#
14
15properties:
16  compatible:
17    enum:
18      - altr,socfpga-lwhps2fpga-bridge
19      - altr,socfpga-hps2fpga-bridge
20      - altr,socfpga-fpga2hps-bridge
21
22  reg:
23    maxItems: 1
24
25  resets:
26    maxItems: 1
27
28  clocks:
29    maxItems: 1
30
31required:
32  - compatible
33  - reg
34  - clocks
35  - resets
36
37unevaluatedProperties: false
38
39examples:
40  - |
41    #include <dt-bindings/reset/altr,rst-mgr.h>
42
43    fpga-bridge@ff400000 {
44      compatible = "altr,socfpga-lwhps2fpga-bridge";
45      reg = <0xff400000 0x100000>;
46      bridge-enable = <0>;
47      clocks = <&l4_main_clk>;
48      resets = <&rst LWHPS2FPGA_RESET>;
49    };
50