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Message-Id: <20260125-asrock-paul-v1-2-956085a4bd06@gmail.com>
Date: Sun, 25 Jan 2026 15:00:39 -0600
From: Anirudh Srinivasan <anirudhsriniv@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...econstruct.com.au>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
Zev Weiss <zev@...ilderbeest.net>, Renze Nicolai <renze@...lus.nl>,
Anirudh Srinivasan <anirudhsriniv@...il.com>
Subject: [PATCH 2/2] ARM: dts: aspeed: Add Asrock Paul IPMI card
Add device tree for Asrock Paul IPMI card, an AST2500 based PCIe BMC
card.
Signed-off-by: Anirudh Srinivasan <anirudhsriniv@...il.com>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../aspeed/aspeed-bmc-asrock-paul-ipmi-card.dts | 131 +++++++++++++++++++++
2 files changed, 132 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 9adf9278dc94f84653775296c93150e61cc99328..be3c84a8462353996e0503cd95326ed88f6b8723 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-asrock-e3c246d4i.dtb \
aspeed-bmc-asrock-e3c256d4i.dtb \
+ aspeed-bmc-asrock-paul-ipmi-card.dtb \
aspeed-bmc-asrock-romed8hm3.dtb \
aspeed-bmc-asrock-spc621d8hm3.dtb \
aspeed-bmc-asrock-x570d4u.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-paul-ipmi-card.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-paul-ipmi-card.dts
new file mode 100644
index 0000000000000000000000000000000000000000..f74f8fee9e1edb6cc1c0a0aef1268bdf91fc03f7
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-paul-ipmi-card.dts
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2025 Anirudh Srinivasan
+
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/{
+ model = "ASRock Paul IPMI Card";
+ compatible = "asrock,ast2500-paul-ipmi-card", "aspeed,ast2500";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-fan-1 {
+ gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_LOW>;
+ label = "fan1_red";
+ default-state = "off";
+ };
+
+ led-fan-2 {
+ gpios = <&gpio ASPEED_GPIO(AA, 1) GPIO_ACTIVE_LOW>;
+ label = "fan2_red";
+ default-state = "off";
+ };
+
+ led-fault {
+ gpios = <&gpio ASPEED_GPIO(Y, 3) GPIO_ACTIVE_LOW>;
+ label = "panic_red";
+ panic-indicator;
+ default-state = "off";
+ };
+
+ led-heartbeat {
+ gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
+ label = "heartbeat_green";
+ linux,default-trigger = "timer";
+ };
+ };
+
+ memory@...00000 {
+ reg = <0x80000000 0x20000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ video_engine_memory: video {
+ size = <0x02000000>;
+ alignment = <0x01000000>;
+ compatible = "shared-dma-pool";
+ reusable;
+ };
+ };
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-max-frequency = <50000000>; /* 50 MHz */
+#include "openbmc-flash-layout.dtsi"
+ };
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names =
+ /* A */ "", "", "", "", "", "", "", "",
+ /* B */ "", "", "", "", "", "", "", "",
+ /* C */ "", "", "", "", "", "", "", "",
+ /* D */ "", "BMC_PWRBTN", "", "BMC_RESETCON", "", "", "", "",
+ /* E */ "", "", "", "", "", "", "", "",
+ /* F */ "", "", "", "", "", "", "", "",
+ /* G */ "", "", "", "", "", "", "", "",
+ /* H */ "", "", "", "", "", "", "BMC_LED1", "",
+ /* I */ "", "", "", "", "", "", "", "",
+ /* J */ "", "", "", "", "", "", "", "",
+ /* K */ "", "", "", "", "", "", "", "",
+ /* L */ "", "", "", "", "", "", "", "",
+ /* M */ "", "", "", "", "", "", "", "",
+ /* N */ "", "", "", "", "", "", "", "",
+ /* O */ "", "", "", "", "", "", "", "",
+ /* P */ "", "", "", "", "", "", "", "",
+ /* Q */ "", "", "", "", "", "", "", "",
+ /* R */ "", "", "", "", "", "", "", "",
+ /* S */ "", "", "", "", "", "", "", "",
+ /* T */ "", "", "", "", "", "", "", "",
+ /* U */ "", "", "", "", "", "", "", "",
+ /* V */ "", "", "", "", "", "", "", "",
+ /* W */ "", "", "", "", "", "", "", "",
+ /* X */ "", "", "", "", "", "PCIE_STNDBY", "", "",
+ /* Y */ "", "", "", "SYSTEM_ERR_LED", "", "", "", "",
+ /* Z */ "", "", "", "", "", "", "", "",
+ /* AA */ "FAN_1_LED", "FAN_2_LED", "", "", "", "", "", "",
+ /* AB */ "", "", "", "", "", "", "", "",
+ /* AC */ "", "", "", "", "", "", "", "";
+};
+
+&mac0 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&vhub {
+ status = "okay";
+};
+
+&video {
+ status = "okay";
+ memory-region = <&video_engine_memory>;
+};
--
2.52.0
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