pmaports/device/linux-samsung-i927/0034-ARM-dts-tegra20-glide-Fix-UART-bindings.patch

From 59831748951e92720700af72cf75f185e96afb8d Mon Sep 17 00:00:00 2001
From: Sergey Larin <cerg2010cerg2010@mail.ru>
Date: Sat, 23 Feb 2019 21:03:21 +0300
Subject: [PATCH] ARM: dts: tegra20-glide: Fix UART bindings

Old UART bindings were broken. This commit also fixes
Bluetooth and GPS (you will need a userspace tool to use it).

Signed-off-by: Sergey Larin <cerg2010cerg2010@mail.ru>
---
 arch/arm/boot/dts/tegra20-glide.dts | 87 ++++++++++++++++-------------
 1 file changed, 49 insertions(+), 38 deletions(-)

diff --git a/arch/arm/boot/dts/tegra20-glide.dts b/arch/arm/boot/dts/tegra20-glide.dts
index f2b1805fc8cf..751c67924310 100644
--- a/arch/arm/boot/dts/tegra20-glide.dts
+++ b/arch/arm/boot/dts/tegra20-glide.dts
@@ -4,44 +4,6 @@
 #include <dt-bindings/input/input.h>
 #include "tegra20.dtsi"
 
-// GPS
-&uarta {
-	status = "okay";
-
-	gnss {
-		// Actual chip is unknown
-		// (I don't want to teardown this thing)
-		compatible = "wi2wi,w2sg0084i";
-
-		sirf,onoff-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
-		// reset GPIO: B2
-		// Also depends on this, but no way to specify it
-		clocks = <&tegra_car TEGRA20_CLK_BLINK>;
-	};
-
-};
-
-// Debug console
-&uartb {
-	status = "okay";
-};
-
-// Bluetooth
-&uartc {
-	status = "okay";
-
-	bluetooth {
-		// can be changed to 4330 in linux v5.0
-		compatible = "brcm,bcm43438-bt";
-		max-speed = <921600>;
-		shutdown-gpios = <&gpio TEGRA_GPIO(J, 5) GPIO_ACTIVE_HIGH>;
-		device-wakeup-gpios = <&gpio TEGRA_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
-		host-wakeup-gpios = <&gpio TEGRA_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
-		clock-names = "lpo";
-		clocks = <&tegra_car TEGRA20_CLK_BLINK>;
-	};
-};
-
 / {
 	model = "Samsung SGH-I927 Captivate Glide";
 	compatible = "samsung,i927", "nvidia,tegra20";
@@ -50,6 +12,8 @@
 		rtc0 = "/i2c@7000d000/max8907@3c";
 		rtc1 = "/rtc@7000e000";
 		serial0 = &uartb;
+		serial1 = &uarta;
+		serial2 = &uartc;
 	};
 
 	chosen {
@@ -478,6 +442,53 @@
 		status = "okay";
 	};
 
+	// GPS
+	serial@70006000 {
+		compatible = "nvidia,tegra20-hsuart";
+		status = "okay";
+
+		/*
+		 * Wakeup GPIO is needed for kernel driver to work,
+		 * but we don't have one... There's GPIO_GPS_CNTL in
+		 * original kernel, but it's not used.
+		 */
+#if 0
+		gnss {
+			// Actual chip is unknown
+			// (I don't want to teardown this thing)
+			compatible = "wi2wi,w2sg0084i";
+
+			sirf,onoff-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
+			// reset GPIO: B2
+			// Also depends on this, but no way to specify it
+			clocks = <&tegra_car TEGRA20_CLK_BLINK>;
+		};
+#endif
+	};
+
+	// Debug console
+	serial@70006040 {
+		status = "okay";
+	};
+
+	// Bluetooth
+	serial@70006200 {
+		compatible = "nvidia,tegra20-hsuart";
+		status = "okay";
+
+		bluetooth {
+			// can be changed to 4330 in linux v5.0
+			compatible = "brcm,bcm43438-bt";
+			max-speed = <921600>;
+			shutdown-gpios = <&gpio TEGRA_GPIO(W, 1) GPIO_ACTIVE_HIGH>;
+			device-wakeup-gpios = <&gpio TEGRA_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
+			host-wakeup-gpios = <&gpio TEGRA_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
+			clocks = <&tegra_car TEGRA20_CLK_UARTC>;
+			clock-names = "uartc";
+
+		};
+	};
+
 	serial@70006040 {
 		status = "okay";
 	};
-- 
2.22.0