linux-kernel - [PATCH 10/10] riscv: dts: eswin: add HiFive Premier P550 board device tree

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Message-Id: <20250311073432.4068512-11-pinkesh.vaghela@einfochips.com>
Date: Tue, 11 Mar 2025 13:04:32 +0530
From: Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>
To: Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Min Lin <linmin@...incomputing.com>,
	Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>,
	Pritesh Patel <pritesh.patel@...fochips.com>,
	Yangyu Chen <cyy@...self.name>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Yu Chien Peter Lin <peterlin@...estech.com>,
	Charlie Jenkins <charlie@...osinc.com>,
	Kanak Shilledar <kanakshilledar@...il.com>,
	Darshan Prajapati <darshan.prajapati@...fochips.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Aradhya Bhatia <a-bhatia1@...com>,
	rafal@...ecki.pl,
	Anup Patel <anup@...infault.org>,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 10/10] riscv: dts: eswin: add HiFive Premier P550 board device tree

From: Min Lin <linmin@...incomputing.com>

Add initial board data for HiFive Premier P550 Development board

Currently the data populated in this DT file describes the board
DRAM configuration, UART and GPIO.

Signed-off-by: Min Lin <linmin@...incomputing.com>
Co-developed-by: Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>
Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>
Reviewed-by: Samuel Holland <samuel.holland@...ive.com>
Tested-by: Samuel Holland <samuel.holland@...ive.com>
---
 arch/riscv/boot/dts/Makefile                  |  1 +
 arch/riscv/boot/dts/eswin/Makefile            |  2 ++
 .../dts/eswin/eic7700-hifive-premier-p550.dts | 29 +++++++++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 arch/riscv/boot/dts/eswin/Makefile
 create mode 100644 arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts

diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
index bff887d38abe..286a9939a8cb 100644
--- a/arch/riscv/boot/dts/Makefile
+++ b/arch/riscv/boot/dts/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 subdir-y += allwinner
 subdir-y += canaan
+subdir-y += eswin
 subdir-y += microchip
 subdir-y += renesas
 subdir-y += sifive
diff --git a/arch/riscv/boot/dts/eswin/Makefile b/arch/riscv/boot/dts/eswin/Makefile
new file mode 100644
index 000000000000..224101ae471e
--- /dev/null
+++ b/arch/riscv/boot/dts/eswin/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_ESWIN) += eic7700-hifive-premier-p550.dtb
diff --git a/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts b/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
new file mode 100644
index 000000000000..131ed1fc6b2e
--- /dev/null
+++ b/arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (c) 2024, Beijing ESWIN Computing Technology Co., Ltd.
+ */
+
+/dts-v1/;
+
+#include "eic7700.dtsi"
+
+/ {
+	compatible = "sifive,hifive-premier-p550", "eswin,eic7700";
+	model = "SiFive HiFive Premier P550";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
-- 
2.25.1