# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/gnss/gnss-common.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Common Properties for Global Navigation Satellite Systems (GNSS) receiver devices maintainers: - Johan Hovold description: | This document defines device tree properties common to Global Navigation Satellite System receivers. properties: $nodename: pattern: "^gnss(@.*)?$" lna-supply: description: A separate regulator supplying power for the Low Noise Amplifier (LNA). This is an amplifier connected between the GNSS device and the receiver antenna. enable-gpios: description: A GPIO line that will enable the GNSS receiver when asserted. If this line is active low, the GPIO phandle should consequently be tagged with the GPIO_ACTIVE_LOW flag so the operating system can rely on asserting the line to enable the GNSS device. maxItems: 1 timepulse-gpios: description: When a timepulse is provided to the GNSS device using a GPIO line, this is used. maxItems: 1 current-speed: description: The baudrate in bits per second of the device as it comes online, current active speed. $ref: /schemas/types.yaml#/definitions/uint32 additionalProperties: true examples: - | #include serial { gnss { compatible = "u-blox,neo-8"; vcc-supply = <&gnss_reg>; timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; current-speed = <4800>; }; };