Add device tree bindings that describe hardware implementations of Non-Volatile Memory (NVMEM) used for storing Power State Change Reasons (PSCR). Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> --- .../bindings/power/reset/pscr-nvmem.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/reset/pscr-nvmem.yaml diff --git a/Documentation/devicetree/bindings/power/reset/pscr-nvmem.yaml b/Documentation/devicetree/bindings/power/reset/pscr-nvmem.yaml new file mode 100644 index 000000000000..0642b470af41 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/pscr-nvmem.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/state-change/pscr-nvmem.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic NVMEM Power State Change Reason storage + +maintainers: + - Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> + +description: This binding describes the Non-Volatile Memory (NVMEM) hardware + that stores Power State Change Reasons (PSCR). + +allOf: + - $ref: pse-controller.yaml# + +properties: + compatible: + const: pscr-nvmem + + nvmem-cells: + description: | + A phandle pointing to the nvmem-cells node where the power state change + reasons are stored. + maxItems: 1 + + nvmem-cell-names: + items: + - const: pscr + + pscr-unknown: + pscr-under-voltage: + pscr-over-current: + pscr-over-temperature: + +required: + - compatible + - nvmem-cells + - nvmem-cell-names + +additionalProperties: false + +examples: + - | + power-state-change-reason { + compatible = "pscr-nvmem"; + nvmem-cells = <&pscr_cell>; + nvmem-cell-names = "pscr"; + pscr-unknown = <1>; + pscr-under-voltage = <2>; + pscr-over-temperature = <3>; + }; +... -- 2.39.2
