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-rw-r--r-- | Documentation/devicetree/bindings/gnss/gnss-common.yaml | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gnss/gnss-common.yaml b/Documentation/devicetree/bindings/gnss/gnss-common.yaml new file mode 100644 index 000000000..963b926e3 --- /dev/null +++ b/Documentation/devicetree/bindings/gnss/gnss-common.yaml @@ -0,0 +1,55 @@ +# 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 <johan@kernel.org> + +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 <dt-bindings/gpio/gpio.h> + serial { + gnss { + compatible = "u-blox,neo-8"; + vcc-supply = <&gnss_reg>; + timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + current-speed = <4800>; + }; + }; |