This device must be place as a sub-device of an AD242x MFD node. Signed-off-by: Daniel Mack <daniel@xxxxxxxxxx> --- .../bindings/gpio/adi,ad242x-gpio.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/adi,ad242x-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/adi,ad242x-gpio.yaml b/Documentation/devicetree/bindings/gpio/adi,ad242x-gpio.yaml new file mode 100644 index 000000000000..0a5a339fc84e --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/adi,ad242x-gpio.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/gpio/adi,ad242x-gpio.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Analog Devices AD242x GPIO controller + +maintainers: + - Daniel Mack <daniel@xxxxxxxxxx> + +description: | + This module is part of the AD242x MFD device. For more details and an example + refer to Documentation/devicetree/bindings/mfd/ad242x.yaml. + +properties: + compatible: + enum: + - adi,ad2428w-gpio + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-over-distance: + type: object + description: | + Sub-node to configure pins as 'GPIO over distance'. + Pins in this mode are not accessible as regular GPIOs; instead, their + state is transparantly mirrored between one or multiple nodes. + + Each child node of the 'gpio-over-distance' node describes one pin + that is to be configured in 'over distance' mode + + properties: + pin: + type: object + properties: + reg: + maxItems: 1 + + adi,virtual-port-mask: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: | + The virtual port mask to assign this GPIO to. + Multiple GPIOs can use the same virtual port to link them + together. Refer to the datasheet for the details. + + adi,gpio-output: + type: boolean + description: Configures this GPIO as output. Defaults to input mode. + + adi,gpio-inverted: + type: boolean + description: Inverts the GPIO value + + required: + - reg + - adi,virtual-port-mask + +required: + - compatible + - '#gpio-cells' + - gpio-controller -- 2.23.0
