A dt binding for pin controller based generic gpio driver is defined in this commit. One usable device is Arm's SCMI. Signed-off-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> --- RFC v2 (Oct 5, 2023) * rename the binding to pin-control-gpio * add the "description" * remove nodename, hog properties, and a consumer example RFC (Oct 2, 2023) --- .../bindings/gpio/pin-control-gpio.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml b/Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml new file mode 100644 index 000000000000..bc935dbd7edb --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/pin-control-gpio.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/pin-control-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Pin control based generic GPIO controller + +description: + The pin control-based GPIO will facilitate a pin controller's ability + to drive electric lines high/low and other generic properties of a + pin controller to perform general-purpose one-bit binary I/O. + +maintainers: + - AKASHI Takahiro <akashi.takahiro@xxxxxxxxxx> + +properties: + compatible: + const: pin-control-gpio + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: true + + gpio-ranges-group-names: true + +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog + +required: + - compatible + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +additionalProperties: false + +examples: + - | + gpio0: gpio@0 { + compatible = "pin-control-gpio"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&scmi_pinctrl 0 10 5>, + <&scmi_pinctrl 5 0 0>; + gpio-ranges-group-names = "", + "pinmux_gpio"; + }; -- 2.34.1
