# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright (C) 2025 Texas Instruments Incorporated %YAML 1.2 --- $id: http://devicetree.org/schemas/soc/ti/ti,j784s4-bist.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Texas Instruments K3 BIST maintainers: - Neha Malcom Francis allOf: - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# description: The BIST (Built-In Self Test) module is an IP block present in K3 devices that support triggering of BIST tests, both PBIST (Memory BIST) and LBIST (Logic BIST) on a core. Both tests are destructive in nature. At boot, BIST is executed by hardware for the MCU domain automatically as part of HW POST. properties: compatible: const: ti,j784s4-bist reg: maxItems: 2 reg-names: items: - const: cfg - const: ctrl_mmr clocks: maxItems: 1 power-domains: maxItems: 1 required: - compatible - reg - reg-names - ti,sci-dev-id unevaluatedProperties: false examples: - | #include bus { #address-cells = <2>; #size-cells = <2>; safety-selftest@33c0000 { compatible = "ti,j784s4-bist"; reg = <0x00 0x033c0000 0x00 0x400>, <0x00 0x0010c1a0 0x00 0x01c>; reg-names = "cfg", "ctrl_mmr"; clocks = <&k3_clks 237 7>; power-domains = <&k3_pds 237 TI_SCI_PD_EXCLUSIVE>; ti,sci-dev-id = <234>; }; };