From dbf084f9a77c5be95613e356854eab7570f34eab Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Thu, 23 Sep 2021 11:23:30 -0500
Subject: Add the USART4 overlay for MTRV1-0.4

---
 mtrv1/MTRV1-0.0-pps.dtso    | 29 -----------------------------
 mtrv1/MTRV1-0.4-usart4.dtso | 27 +++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 29 deletions(-)
 delete mode 100644 mtrv1/MTRV1-0.0-pps.dtso
 create mode 100644 mtrv1/MTRV1-0.4-usart4.dtso

diff --git a/mtrv1/MTRV1-0.0-pps.dtso b/mtrv1/MTRV1-0.0-pps.dtso
deleted file mode 100644
index 966ede6..0000000
--- a/mtrv1/MTRV1-0.0-pps.dtso
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * DTS file for Multi-Tech Systems MTRv1 Hardware
- *
- * Copyright (C) 2019 by Multi-Tech Systems,
- *
- * Licensed under GPLv2 or later.
- */
-
-/*
- * A symlink line must start with "* Link: "
- * Location(s):
- * Put:  MTRV1/0.0/capability/gps/gnss.dtbo
- * Link: MTRV1/0.4/capability/gps/gnss.dtbo
- * Link: MTRV1/0.5/capability/gps/gnss.dtbo
- */
-
-/dts-v1/;
-/plugin/;
-
-/ {
-    model = "Multi-Tech Systems MTRV1-0.0";
-    compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
-    fragment@0 {
-        target-path = "/pps-0";
-        __overlay__ {
-            status = "okay";
-        };
-    }; /* fragment@0 */
-};
diff --git a/mtrv1/MTRV1-0.4-usart4.dtso b/mtrv1/MTRV1-0.4-usart4.dtso
new file mode 100644
index 0000000..ba194c9
--- /dev/null
+++ b/mtrv1/MTRV1-0.4-usart4.dtso
@@ -0,0 +1,27 @@
+/*
+ * DTS file for Multi-Tech Systems MTRv1 Hardware
+ *
+ * Copyright (C) 2021 by Multi-Tech Systems,
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/*
+ * A symlink line must start with "* Link: "
+ * Location(s):
+ * Put:  MTRV1/0.4/usart4.dtbo
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+    model = "Multi-Tech Systems MTRV1-0.0";
+    compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
+    fragment@0 {
+        target-path = "/ahb/apb/serial@f8028000";
+        __overlay__ {
+            status = "okay";
+        };
+    }; /* fragment@0 */
+};
-- 
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