On 14/04/2023 12:52, Neha Malcom Francis wrote: > Document the binding for TI K3 ESM (Error Signaling Module) block. > > Signed-off-by: Neha Malcom Francis <n-francis@xxxxxx> > --- > .../devicetree/bindings/misc/esm-k3.yaml | 54 +++++++++++++++++++ > 1 file changed, 54 insertions(+) > create mode 100644 Documentation/devicetree/bindings/misc/esm-k3.yaml > > diff --git a/Documentation/devicetree/bindings/misc/esm-k3.yaml b/Documentation/devicetree/bindings/misc/esm-k3.yaml > new file mode 100644 > index 000000000000..5e637add3b0e > --- /dev/null > +++ b/Documentation/devicetree/bindings/misc/esm-k3.yaml Filename matching compatible. Missing vendor prefix and device name. > @@ -0,0 +1,54 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2022 Texas Instruments Incorporated > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/misc/esm-k3.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Texas Instruments K3 ESM Binding Drop: Binding > + > +maintainers: > + - Neha Malcom Francis <n-francis@xxxxxx> > + > +description: | > + The ESM (Error Signaling Module) is an IP block on TI K3 devices > + that allows handling of safety events somewhat similar to what interrupt > + controller would do. The safety signals have their separate paths within > + the SoC, and they are handld by the ESM, which routes them to the proper typo: handled > + destination, which can be system reset, interrupt controller, etc. In the > + simplest configuration the signals are just routed to reset the SoC. There is no proper bindings directory for ESM? Misc is discouraged. > + > +properties: > + compatible: > + const: ti,j721e-esm > + > + reg: > + items: > + - description: physical address and length of the registers which > + contain revision and debug features Drop useless "physical address and length of the registers which". reg cannot be anything else. > + - description: physical address and length of the registers which > + indicate strapping options > + > + ti,esm-pins: > + $ref: /schemas/types.yaml#/definitions/uint32-array > + description: | Do not need '|' unless you need to preserve formatting. > + integer array of ESM event IDs to route to external event pin which can > + be used to reset the SoC. The array can have an arbitrary amount of event > + IDs listed on it. What is ESM event ID? The property name suggests pins... > + minItems: 1 > + maxItems: 255 > + > +additionalProperties: false > + > +required: > + - compatible > + - reg > + - ti,esm-pins > + > +examples: > + - | > + main_esm: esm@700000 { Drop label. > + compatible = "ti,j721e-esm"; > + reg = <0x0 0x700000 0x0 0x1000>; > + ti,esm-pins = <344>, <345>; > + }; Best regards, Krzysztof
