From: H. Nikolaus Schaller <hns@goldelico.com>
Date: Tue, 31 Jul 2018 07:11:19 +0000 (+0200)
Subject: ARM: dts: omap3-gta04: map antenna detect GPIO to SW_LINEIN_INSERT key event
X-Git-Tag: v4.20-rc1~66^2~14^2~54
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=eaf2dbd0d2483496e7c96d8605835d1a03bd9e48;p=thirdparty%2Fkernel%2Flinux.git

ARM: dts: omap3-gta04: map antenna detect GPIO to SW_LINEIN_INSERT key event

GTA04 can detect presence/absence or plug-in of an external
GPS antenna through a gpio. The best match for an event code
is SW_LINEIN_INSERT.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 98f31f1814d04..28e041ec4e98f 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -50,6 +50,21 @@
 		};
 	};
 
+	antenna-detect {
+		compatible = "gpio-keys";
+
+		gps_antenna_button: gps-antenna-button {
+			label = "GPS_EXT_ANT";
+			linux,input-type = <EV_SW>;
+			linux,code = <SW_LINEIN_INSERT>;
+			gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* GPIO144 */
+			interrupt-parent = <&gpio5>;
+			interrupts = <16 IRQ_TYPE_EDGE_BOTH>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
 	sound {
 		compatible = "ti,omap-twl4030";
 		ti,model = "gta04";