arm: dts: owl-s500: Add Sparky

Add a Device Tree for the Allo.com Sparky SBC.
Acked-by: Sudeep Kumar <sudeepkumar@cem-solutions.net>
[AF: Adjusted SPDX-License-Identifier style]
Signed-off-by: Andreas Färber <afaerber@suse.de>

arch/arm/boot/dts/Makefile

@@ -707,7 +707,8 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
 	orion5x-rd88f5182-nas.dtb
 dtb-$(CONFIG_ARCH_ACTIONS) += \
 	owl-s500-cubieboard6.dtb \
-	owl-s500-guitar-bb-rev-b.dtb
+	owl-s500-guitar-bb-rev-b.dtb \
+	owl-s500-sparky.dtb
 dtb-$(CONFIG_ARCH_PRIMA2) += \
 	prima2-evb.dtb
 dtb-$(CONFIG_ARCH_OXNAS) += \

arch/arm/boot/dts/owl-s500-sparky.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Allo.com Sparky
+ *
+ * Copyright (c) 2017 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "owl-s500.dtsi"
+
+/ {
+	compatible = "allo,sparky", "actions,s500";
+	model = "Allo.com Sparky";
+
+	aliases {
+		serial3 = &uart3;
+	};
+
+	chosen {
+		stdout-path = "serial3:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>; /* 1 or 2 GiB */
+	};
+
+	uart3_clk: uart3-clk {
+		compatible = "fixed-clock";
+		clock-frequency = <921600>;
+		#clock-cells = <0>;
+	};
+};
+
+&timer {
+	clocks = <&hosc>;
+};
+
+&uart3 {
+	status = "okay";
+	clocks = <&uart3_clk>;
+};