Add devicetree binding for the Actions Semi Owl SoCs info module. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> --- .../bindings/soc/actions/owl-socinfo.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml diff --git a/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml new file mode 100644 index 000000000000..3fcb1f584fdf --- /dev/null +++ b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/actions/owl-socinfo.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl SoC info module + +maintainers: + - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> + +description: | + Actions Semi Owl SoC info module provides access to various information + about the S500, S700 and S900 SoC variants, such as serial number or id. + +patternProperties: + "^soc(@[0-9a-f]+)?$": + type: object + properties: + compatible: + items: + - enum: + - actions,s500-soc + - actions,s700-soc + - actions,s900-soc + - const: simple-bus + + "#address-cells": + enum: [1, 2] + + "#size-cells": + enum: [1, 2] + + ranges: true + + actions,serial-number-addrs: + description: | + Contains the physical addresses in DDR memory where the two parts + of the serial number (low & high) can be read from. + This is currently supported only on the S500 SoC variant. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 2 + + required: + - compatible + + additionalProperties: + type: object + +additionalProperties: true + +examples: + - | + / { + compatible = "roseapplepi,roseapplepi", "actions,s500"; + model = "Roseapple Pi"; + #address-cells = <1>; + #size-cells = <1>; + + soc { + compatible = "actions,s500-soc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + actions,serial-number-addrs = <0x800>, /* S/N Low */ + <0x804>; /* S/N High */ + }; + }; + +... -- 2.31.0
