ARM: dts: Add devicetree for Supermicro X9SCi-LN4F based on WPCM450
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>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210406120921.2484986-10-j.neuschaefer@gmx.net
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 8e5d4ab..5a9d99d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -333,6 +333,8 @@
dtb-$(CONFIG_ARCH_LPC32XX) += \
lpc3250-ea3250.dtb \
lpc3250-phy3250.dtb
+dtb-$(CONFIG_ARCH_WPCM450) += \
+ nuvoton-wpcm450-supermicro-x9sci-ln4f.dtb
dtb-$(CONFIG_ARCH_NPCM7XX) += \
nuvoton-npcm730-gsj.dtb \
nuvoton-npcm730-kudo.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 0000000..83f27fb
--- /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";
+};