From: Marek Belisko <marek@goldelico.com>
To: arnd@arndb.de, gregkh@linuxfoundation.org
Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
grant.likely@linaro.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Marek Belisko <marek@goldelico.com>,
"H. Nikolaus Schaller" <hns@goldelico.com>
Subject: [PATCH 2/2] Documentation: devicetree: Add bindings for Wi2Wi w2sg0004 gps
Date: Thu, 16 Oct 2014 22:26:23 +0200 [thread overview]
Message-ID: <1413491183-15018-2-git-send-email-marek@goldelico.com> (raw)
In-Reply-To: <1413491183-15018-1-git-send-email-marek@goldelico.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Marek Belisko <marek@goldelico.com>
---
.../devicetree/bindings/misc/wi2wi,w2sg0004.txt | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/wi2wi,w2sg0004.txt
diff --git a/Documentation/devicetree/bindings/misc/wi2wi,w2sg0004.txt b/Documentation/devicetree/bindings/misc/wi2wi,w2sg0004.txt
new file mode 100644
index 0000000..e144441
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/wi2wi,w2sg0004.txt
@@ -0,0 +1,44 @@
+Wi2Wi GPS module connected through UART
+
+Required properties:
+- compatible: wi2wi,w2sg0004 or wi2wi,w2sg0084
+- pinctrl: specify two states (default and monitor). One is the default (UART) mode
+ and the other is for monitoring the RX line by an interrupt
+- on-off-gpio: the GPIO that controls the module's on-off toggle input
+
+Optional properties:
+- lna-suppy: an (optional) LNA regulator that is enabled together with the GPS receiver
+
+example:
+
+ gps_receiver: w2sg0004 {
+ compatible = "wi2wi,w2sg0004";
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ pinctrl-names = "default", "monitor";
+ pinctrl-0 = <&uart2_pins>;
+ pinctrl-1 = <&uart2_rx_irq_pins>;
+
+ interrupt-parent = <&gpio5>;
+ interrupts = <19 IRQ_TYPE_EDGE_FALLING>; /* GPIO_147: RX - trigger on arrival of start bit */
+ lna-supply = <&vsim>; /* LNA regulator */
+ on-off-gpio = <&gpio5 17 0>; /* GPIO_145: trigger for turning on/off w2sg0004 */
+
+&pinmux {
+
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ 0x14a (PIN_INPUT | MUX_MODE0) /* uart2_tx.uart2_rx */
+ 0x148 (PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */
+ >;
+ };
+
+ uart2_rx_irq_pins: pinmux_uart2_rx_irq_pins {
+ pinctrl-single,pins = <
+ /* switch RX to GPIO so that we can get interrupts by the start bit */
+ 0x14a (PIN_INPUT | MUX_MODE4) /* uart2_tx.uart2_rx */
+ >;
+ };
+
+}
--
1.9.1
next prev parent reply other threads:[~2014-10-16 20:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-16 20:26 [PATCH 1/2] misc: Add Wi2Wi w2sc0004 gps driver Marek Belisko
2014-10-16 20:26 ` Marek Belisko [this message]
2014-10-17 9:37 ` [PATCH 2/2] Documentation: devicetree: Add bindings for Wi2Wi w2sg0004 gps Mark Rutland
2014-10-17 10:16 ` Dr. H. Nikolaus Schaller
2014-10-17 11:00 ` Mark Rutland
2014-10-17 19:55 ` Dr. H. Nikolaus Schaller
2014-10-20 9:35 ` Mark Rutland
2014-10-20 17:26 ` Dr. H. Nikolaus Schaller
2014-10-24 9:32 ` Dr. H. Nikolaus Schaller
2014-10-27 9:31 ` Pavel Machek
2014-11-02 10:15 ` Dr. H. Nikolaus Schaller
2014-10-19 19:51 ` [PATCH 1/2] misc: Add Wi2Wi w2sc0004 gps driver Arnd Bergmann
2014-10-19 20:29 ` Dr. H. Nikolaus Schaller
2014-10-21 10:49 ` Pavel Machek
2014-10-22 22:35 ` Dr. H. Nikolaus Schaller
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