Document the binding for TI K3 BIST (Built-In Self Test) block. Signed-off-by: Neha Malcom Francis <n-francis@xxxxxx> --- .../bindings/misc/ti,j784s4-bist.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/ti,j784s4-bist.yaml diff --git a/Documentation/devicetree/bindings/misc/ti,j784s4-bist.yaml b/Documentation/devicetree/bindings/misc/ti,j784s4-bist.yaml new file mode 100644 index 000000000000..bd1b42734b3d --- /dev/null +++ b/Documentation/devicetree/bindings/misc/ti,j784s4-bist.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/ti,j784s4-bist.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 BIST + +maintainers: + - Neha Malcom Francis <n-francis@xxxxxx> + +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: + minItems: 2 + maxItems: 2 + + reg-names: + items: + - const: cfg + - const: ctrl_mmr + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + ti,bist-instance: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + the BIST instance in the SoC represented as an integer + +required: + - compatible + - reg + - reg-names + - ti,bist-instance + +additionalProperties: false + +examples: + - | + #include <dt-bindings/soc/ti,sci_pm_domain.h> + bus { + #address-cells = <2>; + #size-cells = <2>; + bist@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,bist-instance = <14>; + }; + }; -- 2.34.1
