[PATCH 13/14] ARM: dts: Add devicetree for Supermicro X9SCi-LN4F based on WPCM450
From: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Date: 2021-03-20 18:25:04
Also in:
linux-devicetree, lkml, openbmc
Subsystem:
arm and arm64 soc sub-architectures (common parts), the rest · Maintainers:
Arnd Bergmann, Krzysztof Kozlowski, Alexandre Belloni, Linus Walleij, Linus Torvalds
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"; +}; --
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