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