[PATCH] arm64: dts: synaptics: add DT for AS370-RDK

[Jisheng Zhang]

Add a basic support for AS370-RDK board based on the AS370 SoC. We can
get a basic shell on the uart console now.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang at synaptics.com>
---
Hi Arnd,

If it's too late, I will add it in a PR for 5.16 in next development window.

Thanks

 arch/arm64/boot/dts/synaptics/Makefile      |  1 +
 arch/arm64/boot/dts/synaptics/as370-rdk.dts | 29 +++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 arch/arm64/boot/dts/synaptics/as370-rdk.dts

diff --git a/arch/arm64/boot/dts/synaptics/Makefile b/arch/arm64/boot/dts/synaptics/Makefile
index de71ddda6835..c1c4f6c040b3 100644
--- a/arch/arm64/boot/dts/synaptics/Makefile
+++ b/arch/arm64/boot/dts/synaptics/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 # Berlin SoC Family
+dtb-$(CONFIG_ARCH_BERLIN) += as370-rdk.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-dmp.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-stb.dtb
diff --git a/arch/arm64/boot/dts/synaptics/as370-rdk.dts b/arch/arm64/boot/dts/synaptics/as370-rdk.dts
new file mode 100644
index 000000000000..6f5c37c98be6
--- /dev/null
+++ b/arch/arm64/boot/dts/synaptics/as370-rdk.dts
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2018-2021 Synaptics Incorporated
+ *
+ * Author: Jisheng Zhang <jszhang at kernel.org>
+ */
+
+/dts-v1/;
+
+#include "as370.dtsi"
+
+/ {
+	model = "Synaptics AS370 RDK";
+	compatible = "syna,as370-rdk", "syna,as370";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory at 1000000 {
+		device_type = "memory";
+		/* the first 16MB is for firmwares' usage */
+		reg = <0 0x01000000 0 0x1f000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.33.0