linux-kernel - [PATCH v4 4/5] arm64: dts: aspeed: Add AST2700 Evaluation Board

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Message-ID: <20250821080214.513090-5-ryan_chen@aspeedtech.com>
Date: Thu, 21 Aug 2025 16:02:13 +0800
From: Ryan Chen <ryan_chen@...eedtech.com>
To: ryan_chen <ryan_chen@...eedtech.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...econstruct.com.au>,
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, Bjorn Andersson
	<bjorn.andersson@....qualcomm.com>, Geert Uytterhoeven
	<geert@...ux-m68k.org>, Nishanth Menon <nm@...com>,
	<nfraprado@...labora.com>, Taniya Das <quic_tdas@...cinc.com>, Lad Prabhakar
	<prabhakar.mahadev-lad.rj@...renesas.com>, Kuninori Morimoto
	<kuninori.morimoto.gx@...esas.com>, Eric Biggers <ebiggers@...gle.com>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<soc@...ts.linux.dev>, Mo Elbadry <elbadrym@...gle.com>, Rom Lemarchand
	<romlem@...gle.com>, William Kennington <wak@...gle.com>, Yuxiao Zhang
	<yuxiaozhang@...gle.com>, <wthai@...dia.com>, <leohu@...dia.com>,
	<dkodihalli@...dia.com>, <spuranik@...dia.com>
Subject: [PATCH v4 4/5] arm64: dts: aspeed: Add AST2700 Evaluation Board

ASPEED AST2700 EVB is prototype development board based
on AST2700 SOC.

Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
---
 arch/arm64/boot/dts/Makefile               |  1 +
 arch/arm64/boot/dts/aspeed/Makefile        |  4 ++++
 arch/arm64/boot/dts/aspeed/ast2700-evb.dts | 22 ++++++++++++++++++++++
 3 files changed, 27 insertions(+)
 create mode 100644 arch/arm64/boot/dts/aspeed/Makefile
 create mode 100644 arch/arm64/boot/dts/aspeed/ast2700-evb.dts

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 79b73a21ddc2..d9c3e58b9ca5 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -35,3 +35,4 @@ subdir-y += tesla
 subdir-y += ti
 subdir-y += toshiba
 subdir-y += xilinx
+subdir-y += aspeed
diff --git a/arch/arm64/boot/dts/aspeed/Makefile b/arch/arm64/boot/dts/aspeed/Makefile
new file mode 100644
index 000000000000..ffe7e15017cc
--- /dev/null
+++ b/arch/arm64/boot/dts/aspeed/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+
+dtb-$(CONFIG_ARCH_ASPEED) += \
+	ast2700-evb.dtb
diff --git a/arch/arm64/boot/dts/aspeed/ast2700-evb.dts b/arch/arm64/boot/dts/aspeed/ast2700-evb.dts
new file mode 100644
index 000000000000..654b36ec24de
--- /dev/null
+++ b/arch/arm64/boot/dts/aspeed/ast2700-evb.dts
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/dts-v1/;
+#include "aspeed-g7.dtsi"
+
+/ {
+	model = "AST2700 EVB";
+	compatible = "aspeed,ast2700-evb", "aspeed,ast2700";
+
+	chosen {
+		stdout-path = "serial12:115200n8";
+	};
+
+	memory@...000000 {
+		device_type = "memory";
+		reg = <0x4 0x00000000 0x0 0x40000000>;
+	};
+};
+
+&uart12 {
+	status = "okay";
+};
-- 
2.34.1