[PATCH 13/14] ARM: dts: Add devicetree for Supermicro X9SCi-LN4F based on WPCM450

Jonathan Neuschäfer
2021-03-20T18:25:39Z

The Supermicro X9SCi-LN4F is a server mainboard featuring the WPCM450
BMC. This patch adds a minimal devicetree for Linux running on the BMC.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
arch/arm/boot/dts/Makefile | 2 +
.../nuvoton-wpcm450-supermicro-x9sci-ln4f.dts | 40 +++++++++++++++++++
2 files changed, 42 insertions(+)
create mode 100644 arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 8e5d4ab4e75e6..cab5b3c906f83 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1305,6 +1305,8 @@ dtb-$(CONFIG_ARCH_VT8500) += \
wm8650-mid.dtb \
wm8750-apc8750.dtb \
wm8850-w70v2.dtb
+dtb-$(CONFIG_ARCH_WPCM450) += \
+ nuvoton-wpcm450-supermicro-x9sci-ln4f.dtb
dtb-$(CONFIG_ARCH_ZYNQ) += \
zynq-cc108.dtb \
zynq-ebaz4205.dtb \
diff --git a/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts b/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts
new file mode 100644
index 0000000000000..83f27fbf4e939
--- /dev/null
+++ b/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+// Copyright 2021 Jonathan Neuschäfer
+
+/dts-v1/;
+
+/* The last 16 MiB are dedicated to the GPU */
+/memreserve/ 0x07000000 0x01000000;
+
+#include "nuvoton-wpcm450.dtsi"
+
+/ {
+ model = "Supermicro X9SCi-LN4F BMC";
+ compatible = "supermicro,x9sci-ln4f-bmc", "nuvoton,wpcm450";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0 0x08000000>; /* 128 MiB */
+ };
+};
+
+&serial0 {
+ /*
+ * Debug serial port. TX is exposed on the right pad of unpopulated
+ * resistor R1247, RX on the right pad of R1162.
+ */
+ status = "okay";
+};
+
+&serial1 {
+ /* "Serial over LAN" port. Connected to ttyS2 of the host system. */
+ status = "okay";
+};
+
+&watchdog0 {
+ status = "okay";
+};
--
2.30.2