[PATCH v3 10/10] riscv: dts: eswin: add HiFive Premier P550 board device tree

Pinkesh Vaghela
2025-04-10T15:25:35Z

From: Min Lin <linmin@eswincomputing.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@eswincomputing.com>
Co-developed-by: Pinkesh Vaghela <pinkesh.vaghela@einfochips.com>
Signed-off-by: Pinkesh Vaghela <pinkesh.vaghela@einfochips.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.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 64a898da9aee..29a97a663ea2 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