linux-kernel - [PATCH 5/5] riscv: dts: sophgo: Add LicheeRV Nano board device tree

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Date: Mon, 27 May 2024 12:28:21 +0200
From: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...look.com>, 
 Chao Wei <chao.wei@...hgo.com>
Cc: Albert Ou <aou@...s.berkeley.edu>, Palmer Dabbelt <palmer@...belt.com>, 
 Samuel Holland <samuel.holland@...ive.com>, 
 Thomas Gleixner <tglx@...utronix.de>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Miquèl Raynal <miquel.raynal@...tlin.com>, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, 
 Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Subject: [PATCH 5/5] riscv: dts: sophgo: Add LicheeRV Nano board device
 tree

LicheeRV Nano [1] is an embedded development platform base on the SOPHGO
SG2002 chip.

Add only support for UART.

Link: https://wiki.sipeed.com/hardware/en/lichee/RV_Nano/1_intro.html
[1]

Signed-off-by: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
---
 arch/riscv/boot/dts/sophgo/Makefile                |  1 +
 .../boot/dts/sophgo/sg2002-lichee-rv-nano.dts      | 25 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
index 57ad82a61ea6..5759b21805dc 100644
--- a/arch/riscv/boot/dts/sophgo/Makefile
+++ b/arch/riscv/boot/dts/sophgo/Makefile
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb
 dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2002-licheerv-nano.dtb
 dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb
diff --git a/arch/riscv/boot/dts/sophgo/sg2002-lichee-rv-nano.dts b/arch/riscv/boot/dts/sophgo/sg2002-lichee-rv-nano.dts
new file mode 100644
index 000000000000..aaad2733801b
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2002-lichee-rv-nano.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Thomas Bonnefille <thomas.bonnefille@...tlin.com>
+ */
+
+/dts-v1/;
+
+#include "sg2002.dtsi"
+
+/ {
+	model = "LicheeRV Nano";
+	compatible = "sipeed,licheerv-nano", "sophgo,sg2002";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};

-- 
2.45.1