162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
262306a36Sopenharmony_ci%YAML 1.2
362306a36Sopenharmony_ci---
462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/reset/xlnx,zynqmp-reset.yaml#
562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml#
662306a36Sopenharmony_ci
762306a36Sopenharmony_cititle: Zynq UltraScale+ MPSoC and Versal reset
862306a36Sopenharmony_ci
962306a36Sopenharmony_cimaintainers:
1062306a36Sopenharmony_ci  - Piyush Mehta <piyush.mehta@amd.com>
1162306a36Sopenharmony_ci
1262306a36Sopenharmony_cidescription: |
1362306a36Sopenharmony_ci  The Zynq UltraScale+ MPSoC and Versal has several different resets.
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ci  The PS reset subsystem is responsible for handling the external reset
1662306a36Sopenharmony_ci  input to the device and that all internal reset requirements are met
1762306a36Sopenharmony_ci  for the system (as a whole) and for the functional units.
1862306a36Sopenharmony_ci
1962306a36Sopenharmony_ci  Please also refer to reset.txt in this directory for common reset
2062306a36Sopenharmony_ci  controller binding usage. Device nodes that need access to reset
2162306a36Sopenharmony_ci  lines should specify them as a reset phandle in their corresponding
2262306a36Sopenharmony_ci  node as specified in reset.txt.
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci  For list of all valid reset indices for Zynq UltraScale+ MPSoC
2562306a36Sopenharmony_ci  <dt-bindings/reset/xlnx-zynqmp-resets.h>
2662306a36Sopenharmony_ci
2762306a36Sopenharmony_ci  For list of all valid reset indices for Versal
2862306a36Sopenharmony_ci  <dt-bindings/reset/xlnx-versal-resets.h>
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ciproperties:
3162306a36Sopenharmony_ci  compatible:
3262306a36Sopenharmony_ci    enum:
3362306a36Sopenharmony_ci      - xlnx,zynqmp-reset
3462306a36Sopenharmony_ci      - xlnx,versal-reset
3562306a36Sopenharmony_ci      - xlnx,versal-net-reset
3662306a36Sopenharmony_ci
3762306a36Sopenharmony_ci  "#reset-cells":
3862306a36Sopenharmony_ci    const: 1
3962306a36Sopenharmony_ci
4062306a36Sopenharmony_cirequired:
4162306a36Sopenharmony_ci  - compatible
4262306a36Sopenharmony_ci  - "#reset-cells"
4362306a36Sopenharmony_ci
4462306a36Sopenharmony_ciadditionalProperties: false
4562306a36Sopenharmony_ci
4662306a36Sopenharmony_ciexamples:
4762306a36Sopenharmony_ci  - |
4862306a36Sopenharmony_ci    zynqmp_reset: reset-controller {
4962306a36Sopenharmony_ci        compatible = "xlnx,zynqmp-reset";
5062306a36Sopenharmony_ci        #reset-cells = <1>;
5162306a36Sopenharmony_ci    };
5262306a36Sopenharmony_ci
5362306a36Sopenharmony_ci...
54