[PATCH v7 2/6] dt-bindings: gnss: add w2sg0004 bindings documentation
From: H. Nikolaus Schaller <hidden>
Date: 2018-05-03 09:36:34
Also in:
linux-arm-kernel, linux-omap, lkml
Subsystem:
gnss subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Johan Hovold, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add bindings documentation for Wi2Wi W2SG0004 GPS module. This is a quite old module which does not support a WAKEUP line and hence can't use a generic SirfStar driver. Signed-off-by: H. Nikolaus Schaller <redacted> Acked-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/gnss/wi2wi,w2sg0004.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/gnss/wi2wi,w2sg0004.txt
diff --git a/Documentation/devicetree/bindings/gnss/wi2wi,w2sg0004.txt b/Documentation/devicetree/bindings/gnss/wi2wi,w2sg0004.txt
new file mode 100644
index 000000000000..ac4ec479ea98
--- /dev/null
+++ b/Documentation/devicetree/bindings/gnss/wi2wi,w2sg0004.txt@@ -0,0 +1,23 @@ +Wi2Wi W2SG0004 GPS module connected through UART + +Should be a subnode of the SoC UART it is connected to. + +Required properties: +- compatible: must be + "wi2wi,w2sg0004" +- enable-gpio: the GPIO that controls the module's power toggle + input. A positive impulse of sufficent length toggles the + power state. + +Optional properties: +- lna-supply: an (optional) LNA regulator that is enabled together with the GPS receiver + +Example: + +&uart2 { + w2sg0004: gps { + compatible = "wi2wi,w2sg0004"; + lna-supply = <&vsim>; /* LNA regulator */ + enable-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>; /* GPIO_145: trigger for turning on/off w2sg0004 */ + }; +};
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2.12.2