54 lines
1.4 KiB
YAML
54 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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# Copyright (C) 2022 Texas Instruments Incorporated
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/misc/ti,j721e-esm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Texas Instruments K3 ESM
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maintainers:
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- Neha Malcom Francis <n-francis@ti.com>
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description:
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The ESM (Error Signaling Module) is an IP block on TI K3 devices
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that allows handling of safety events somewhat similar to what interrupt
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controller would do. The safety signals have their separate paths within
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the SoC, and they are handled by the ESM, which routes them to the proper
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destination, which can be system reset, interrupt controller, etc. In the
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simplest configuration the signals are just routed to reset the SoC.
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properties:
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compatible:
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const: ti,j721e-esm
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reg:
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maxItems: 1
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ti,esm-pins:
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$ref: /schemas/types.yaml#/definitions/uint32-array
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description:
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integer array of ESM interrupt pins to route to external event pin
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which can be used to reset the SoC.
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minItems: 1
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maxItems: 255
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required:
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- compatible
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- reg
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- ti,esm-pins
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additionalProperties: false
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examples:
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- |
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bus {
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#address-cells = <2>;
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#size-cells = <2>;
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esm@700000 {
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compatible = "ti,j721e-esm";
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reg = <0x0 0x700000 0x0 0x1000>;
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ti,esm-pins = <344>, <345>;
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};
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};
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