board: ns3: add support for Broadcom Northstar 3
Add support for Broadcom Northstar 3 SoC.
NS3 is a octo-core 64-bit ARMv8 Cortex-A72 processors
targeting a broad range of networking applications.
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/ns3.dtsi b/arch/arm/dts/ns3.dtsi
new file mode 100644
index 0000000..09098aa
--- /dev/null
+++ b/arch/arm/dts/ns3.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Broadcom
+ */
+
+#include "skeleton64.dtsi"
+
+/ {
+ compatible = "brcm,ns3";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x80000000>,
+ <0x8 0x80000000 0x1 0x80000000>;
+ };
+
+ hsls {
+ compatible = "simple-bus";
+ dma-ranges;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x0 0x68900000 0x17700000>;
+
+ uart1: uart@110000 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x00110000 0x1000>;
+ reg-shift = <2>;
+ clock-frequency = <25000000>;
+ status = "disabled";
+ };
+ };
+};