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author | Linus Walleij <linus.walleij@linaro.org> | 2022-03-17 23:58:40 +0100 |
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committer | Rob Herring <robh@kernel.org> | 2022-03-20 14:53:50 -0400 |
commit | dba529605f55e7eee725dd8e48a70f95ecdd612c (patch) | |
tree | b195e657b19a08bd8e0625d41b1bc3f2292dd50e | |
parent | 593adaa6459903728cb59392239f2c615b8dadbb (diff) | |
download | linux-stable-dba529605f55e7eee725dd8e48a70f95ecdd612c.tar.gz linux-stable-dba529605f55e7eee725dd8e48a70f95ecdd612c.tar.bz2 linux-stable-dba529605f55e7eee725dd8e48a70f95ecdd612c.zip |
dt-bindings: gnss: Rewrite common bindings in YAML
This rewrites the text-based GNSS common bindings to use
a YAML schema.
Cc: devicetree@vger.kernel.org
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220317225844.1262643-1-linus.walleij@linaro.org
-rw-r--r-- | Documentation/devicetree/bindings/gnss/gnss-common.yaml | 55 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/gnss/gnss.txt | 37 |
2 files changed, 55 insertions, 37 deletions
diff --git a/Documentation/devicetree/bindings/gnss/gnss-common.yaml b/Documentation/devicetree/bindings/gnss/gnss-common.yaml new file mode 100644 index 000000000000..963b926e30a7 --- /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>; + }; + }; diff --git a/Documentation/devicetree/bindings/gnss/gnss.txt b/Documentation/devicetree/bindings/gnss/gnss.txt deleted file mode 100644 index d6dc9c0d8249..000000000000 --- a/Documentation/devicetree/bindings/gnss/gnss.txt +++ /dev/null @@ -1,37 +0,0 @@ -GNSS Receiver DT binding - -This documents the binding structure and common properties for GNSS receiver -devices. - -A GNSS receiver node is a node named "gnss" and typically resides on a serial -bus (e.g. UART, I2C or SPI). - -Please refer to the following documents for generic properties: - - Documentation/devicetree/bindings/serial/serial.yaml - Documentation/devicetree/bindings/spi/spi-bus.txt - -Required properties: - -- compatible : A string reflecting the vendor and specific device the node - represents - -Optional properties: -- lna-supply : Separate supply for an LNA -- enable-gpios : GPIO used to enable the device -- timepulse-gpios : Time pulse GPIO - -Example: - -serial@1234 { - compatible = "ns16550a"; - - gnss { - compatible = "u-blox,neo-8"; - - vcc-supply = <&gnss_reg>; - timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; - - current-speed = <4800>; - }; -}; |