Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/marvell/kirkwood-ds409slim.dts b/src/arm/marvell/kirkwood-ds409slim.dts
new file mode 100644
index 0000000..27a1d84
--- /dev/null
+++ b/src/arm/marvell/kirkwood-ds409slim.dts
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Andrew Lunn <andrew@lunn.ch>
+ * Ben Peddell <klightspeed@killerwolves.net>
+ *
+ */
+
+/dts-v1/;
+
+#include "kirkwood.dtsi"
+#include "kirkwood-6281.dtsi"
+#include "kirkwood-synology.dtsi"
+
+/ {
+	model = "Synology 409slim";
+	compatible = "synology,ds409slim", "marvell,kirkwood";
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x8000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8";
+		stdout-path = &uart0;
+	};
+
+	gpio-fan-150-32-35 {
+		status = "okay";
+	};
+
+	gpio-leds-hdd-20 {
+		status = "okay";
+	};
+};
+
+&rs5c372 {
+	status = "okay";
+};