1*833e5d42SEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*833e5d42SEmmanuel Vadot# Copyright (C) 2025 Texas Instruments Incorporated 3*833e5d42SEmmanuel Vadot%YAML 1.2 4*833e5d42SEmmanuel Vadot--- 5*833e5d42SEmmanuel Vadot$id: http://devicetree.org/schemas/soc/ti/ti,j784s4-bist.yaml# 6*833e5d42SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 7*833e5d42SEmmanuel Vadot 8*833e5d42SEmmanuel Vadottitle: Texas Instruments K3 BIST 9*833e5d42SEmmanuel Vadot 10*833e5d42SEmmanuel Vadotmaintainers: 11*833e5d42SEmmanuel Vadot - Neha Malcom Francis <n-francis@ti.com> 12*833e5d42SEmmanuel Vadot 13*833e5d42SEmmanuel VadotallOf: 14*833e5d42SEmmanuel Vadot - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# 15*833e5d42SEmmanuel Vadot 16*833e5d42SEmmanuel Vadotdescription: 17*833e5d42SEmmanuel Vadot The BIST (Built-In Self Test) module is an IP block present in K3 devices 18*833e5d42SEmmanuel Vadot that support triggering of BIST tests, both PBIST (Memory BIST) and LBIST 19*833e5d42SEmmanuel Vadot (Logic BIST) on a core. Both tests are destructive in nature. At boot, BIST 20*833e5d42SEmmanuel Vadot is executed by hardware for the MCU domain automatically as part of HW POST. 21*833e5d42SEmmanuel Vadot 22*833e5d42SEmmanuel Vadotproperties: 23*833e5d42SEmmanuel Vadot compatible: 24*833e5d42SEmmanuel Vadot const: ti,j784s4-bist 25*833e5d42SEmmanuel Vadot 26*833e5d42SEmmanuel Vadot reg: 27*833e5d42SEmmanuel Vadot maxItems: 2 28*833e5d42SEmmanuel Vadot 29*833e5d42SEmmanuel Vadot reg-names: 30*833e5d42SEmmanuel Vadot items: 31*833e5d42SEmmanuel Vadot - const: cfg 32*833e5d42SEmmanuel Vadot - const: ctrl_mmr 33*833e5d42SEmmanuel Vadot 34*833e5d42SEmmanuel Vadot clocks: 35*833e5d42SEmmanuel Vadot maxItems: 1 36*833e5d42SEmmanuel Vadot 37*833e5d42SEmmanuel Vadot power-domains: 38*833e5d42SEmmanuel Vadot maxItems: 1 39*833e5d42SEmmanuel Vadot 40*833e5d42SEmmanuel Vadotrequired: 41*833e5d42SEmmanuel Vadot - compatible 42*833e5d42SEmmanuel Vadot - reg 43*833e5d42SEmmanuel Vadot - reg-names 44*833e5d42SEmmanuel Vadot - ti,sci-dev-id 45*833e5d42SEmmanuel Vadot 46*833e5d42SEmmanuel VadotunevaluatedProperties: false 47*833e5d42SEmmanuel Vadot 48*833e5d42SEmmanuel Vadotexamples: 49*833e5d42SEmmanuel Vadot - | 50*833e5d42SEmmanuel Vadot #include <dt-bindings/soc/ti,sci_pm_domain.h> 51*833e5d42SEmmanuel Vadot bus { 52*833e5d42SEmmanuel Vadot #address-cells = <2>; 53*833e5d42SEmmanuel Vadot #size-cells = <2>; 54*833e5d42SEmmanuel Vadot safety-selftest@33c0000 { 55*833e5d42SEmmanuel Vadot compatible = "ti,j784s4-bist"; 56*833e5d42SEmmanuel Vadot reg = <0x00 0x033c0000 0x00 0x400>, 57*833e5d42SEmmanuel Vadot <0x00 0x0010c1a0 0x00 0x01c>; 58*833e5d42SEmmanuel Vadot reg-names = "cfg", "ctrl_mmr"; 59*833e5d42SEmmanuel Vadot clocks = <&k3_clks 237 7>; 60*833e5d42SEmmanuel Vadot power-domains = <&k3_pds 237 TI_SCI_PD_EXCLUSIVE>; 61*833e5d42SEmmanuel Vadot ti,sci-dev-id = <234>; 62*833e5d42SEmmanuel Vadot }; 63*833e5d42SEmmanuel Vadot }; 64