From: Ondrej Jirman <megous@megous.com>
Date: Mon, 1 Apr 2019 11:56:16 +0000 (+0200)
Subject: ARM: dts: sun8i: tbs-a711: Enable UART2 (for NEO-6M GPS module)
X-Git-Tag: v5.4-rc1~968^2~26^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41eb0df1926aa7e8cbd621e66533d8bc35e82a26;p=platform%2Fkernel%2Flinux-rpi.git

ARM: dts: sun8i: tbs-a711: Enable UART2 (for NEO-6M GPS module)

TBS A711 tablet contains u-blox NEO-6M module connected to UART2.
Enable UART2 to gain access to the module from userspace.

Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
---

diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
index 066d95a..87c04d4 100644
--- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
@@ -98,6 +98,13 @@
 		};
 	};
 
+	reg_gps: reg-gps {
+		compatible = "regulator-fixed";
+		regulator-name = "gps";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+	};
+
 	reg_vbat: reg-vbat {
 		compatible = "regulator-fixed";
 		regulator-name = "vbat";
@@ -434,6 +441,20 @@
 	};
 };
 
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pb_pins>;
+	status = "okay";
+
+	gnss {
+		compatible = "u-blox,neo-6m";
+
+		v-bckp-supply = <&reg_rtc_ldo>;
+		vcc-supply = <&reg_gps>;
+		current-speed = <9600>;
+	};
+};
+
 &usb_otg {
 	dr_mode = "otg";
 	status = "okay";