0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: ZynqMP Mode Pin GPIO controller
0008
0009 description:
0010 PS_MODE is 4-bits boot mode pins sampled on POR deassertion. Mode Pin
0011 GPIO controller with configurable from numbers of pins (from 0 to 3 per
0012 PS_MODE). Every pin can be configured as input/output.
0013
0014 maintainers:
0015 - Piyush Mehta <piyush.mehta@xilinx.com>
0016
0017 properties:
0018 compatible:
0019 const: xlnx,zynqmp-gpio-modepin
0020
0021 gpio-controller: true
0022
0023 "#gpio-cells":
0024 const: 2
0025
0026 required:
0027 - compatible
0028 - gpio-controller
0029 - "#gpio-cells"
0030
0031 additionalProperties: false
0032
0033 examples:
0034 - |
0035 zynqmp-firmware {
0036 gpio {
0037 compatible = "xlnx,zynqmp-gpio-modepin";
0038 gpio-controller;
0039 #gpio-cells = <2>;
0040 };
0041 };
0042
0043 ...