The SIE Cronos Platform Controller CPLD is a multi-purpose platform controller that provides both a watchdog timer and an LED controller. As both functions are provided by the same CPLD, a multi-function device is exposed as the parent of both functions. Add a DT binding for this device. Signed-off-by: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx> --- .../bindings/mfd/sie,cronos-cpld.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/sie,cronos-cpld.yaml diff --git a/Documentation/devicetree/bindings/mfd/sie,cronos-cpld.yaml b/Documentation/devicetree/bindings/mfd/sie,cronos-cpld.yaml new file mode 100644 index 000000000000..3b59cdd46243 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/sie,cronos-cpld.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Raptor Engineering, LLC +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/sie,cronos-cpld.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SIE Cronos Platform Controller CPLD multi-function device + +maintainers: + - Timothy Pearson <tpearson@xxxxxxxxxxxxxxxxxxxxx> + +description: | + The SIE Cronos Platform Controller CPLD is a multi-purpose platform controller + that provides both a watchdog timer and an LED controller. As both functions + are provided by the same CPLD, a multi-function device is exposed as the + parent of both functions. + +properties: + compatible: + const: sie,cronos-cpld + + reg: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + leds: + type: object + description: Cronos Platform Status LEDs + + properties: + compatible: + const: sie,cronos-leds + + watchdog: + type: object + description: Cronos Platform Watchdog Timer + + properties: + compatible: + const: sie,cronos-watchdog + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + cpld: cpld@3f { + compatible = "sie,cronos-cpld"; + reg = <0x3f>; + + watchdog { + compatible = "sie,cronos-watchdog"; + }; + + leds { + compatible = "sie,cronos-leds"; + }; + }; -- 2.30.2
