xref: /freebsd/sys/contrib/device-tree/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml (revision 058ac3e8063366dafa634d9107642e12b038bf09)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: ZynqMP Mode Pin GPIO controller
8
9description:
10  PS_MODE is 4-bits boot mode pins sampled on POR deassertion. Mode Pin
11  GPIO controller with configurable from numbers of pins (from 0 to 3 per
12  PS_MODE). Every pin can be configured as input/output.
13
14maintainers:
15  - Piyush Mehta <piyush.mehta@xilinx.com>
16
17properties:
18  compatible:
19    const: xlnx,zynqmp-gpio-modepin
20
21  gpio-controller: true
22
23  "#gpio-cells":
24    const: 2
25
26required:
27  - compatible
28  - gpio-controller
29  - "#gpio-cells"
30
31additionalProperties: false
32
33examples:
34  - |
35    zynqmp-firmware {
36        gpio {
37            compatible = "xlnx,zynqmp-gpio-modepin";
38            gpio-controller;
39            #gpio-cells = <2>;
40        };
41    };
42
43...
44