Add devicetree binding for the Actions Semi Owl SoC serial number reserved-memory range. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> --- .../actions,owl-soc-serial.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml diff --git a/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml b/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml new file mode 100644 index 000000000000..41b71f47ee6c --- /dev/null +++ b/Documentation/devicetree/bindings/reserved-memory/actions,owl-soc-serial.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reserved-memory/actions,owl-soc-serial.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Actions Semi Owl reserved-memory for SoC serial number + +maintainers: + - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> + +description: | + Provide access to the memory region where the two parts of the Actions + Semi Owl SoC serial number (low & high) can be read from. This information + is provided by the bootloader, hence expose it under /reserved-memory node. + + Please refer to reserved-memory.txt in this directory for common binding + part and usage. + + This is currently supported only on the S500 SoC variant. + +properties: + compatible: + oneOf: + - const: actions,owl-soc-serial + - items: + - enum: + - actions,s500-soc-serial + - const: actions,owl-soc-serial + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: true + +examples: + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + soc_serial: soc-serial@800 { + compatible = "actions,s500-soc-serial", "actions,owl-soc-serial"; + reg = <0x800 0x8>; + }; + }; + +... -- 2.31.1
