xref: /freebsd/sys/contrib/device-tree/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
18cc087a1SEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
28cc087a1SEmmanuel Vadot%YAML 1.2
38cc087a1SEmmanuel Vadot---
4*aa1a8ff2SEmmanuel Vadot$id: http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml#
5*aa1a8ff2SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml#
68cc087a1SEmmanuel Vadot
78cc087a1SEmmanuel Vadottitle: ZynqMP Mode Pin GPIO controller
88cc087a1SEmmanuel Vadot
98cc087a1SEmmanuel Vadotdescription:
108cc087a1SEmmanuel Vadot  PS_MODE is 4-bits boot mode pins sampled on POR deassertion. Mode Pin
118cc087a1SEmmanuel Vadot  GPIO controller with configurable from numbers of pins (from 0 to 3 per
128cc087a1SEmmanuel Vadot  PS_MODE). Every pin can be configured as input/output.
138cc087a1SEmmanuel Vadot
148cc087a1SEmmanuel Vadotmaintainers:
15f126890aSEmmanuel Vadot  - Piyush Mehta <piyush.mehta@amd.com>
168cc087a1SEmmanuel Vadot
178cc087a1SEmmanuel Vadotproperties:
188cc087a1SEmmanuel Vadot  compatible:
198cc087a1SEmmanuel Vadot    const: xlnx,zynqmp-gpio-modepin
208cc087a1SEmmanuel Vadot
218cc087a1SEmmanuel Vadot  gpio-controller: true
228cc087a1SEmmanuel Vadot
238cc087a1SEmmanuel Vadot  "#gpio-cells":
248cc087a1SEmmanuel Vadot    const: 2
258cc087a1SEmmanuel Vadot
268cc087a1SEmmanuel Vadotrequired:
278cc087a1SEmmanuel Vadot  - compatible
288cc087a1SEmmanuel Vadot  - gpio-controller
298cc087a1SEmmanuel Vadot  - "#gpio-cells"
308cc087a1SEmmanuel Vadot
318cc087a1SEmmanuel VadotadditionalProperties: false
328cc087a1SEmmanuel Vadot
338cc087a1SEmmanuel Vadotexamples:
348cc087a1SEmmanuel Vadot  - |
358cc087a1SEmmanuel Vadot    zynqmp-firmware {
368cc087a1SEmmanuel Vadot        gpio {
378cc087a1SEmmanuel Vadot            compatible = "xlnx,zynqmp-gpio-modepin";
388cc087a1SEmmanuel Vadot            gpio-controller;
398cc087a1SEmmanuel Vadot            #gpio-cells = <2>;
408cc087a1SEmmanuel Vadot        };
418cc087a1SEmmanuel Vadot    };
428cc087a1SEmmanuel Vadot
438cc087a1SEmmanuel Vadot...
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