From: Prasanth Kumar Padarthi <prasanth.padarthi10@gmail.com>
To: joel@jms.id.au, andrew@codeconstruct.com.au
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org,
Prasanth Kumar Padarthi <prasanth.padarthi10@gmail.com>
Subject: [PATCH 2/2] ARM: dts: aspeed: Add ASRock Rack B650D4U BMC
Date: Tue, 12 May 2026 23:20:19 +0530 [thread overview]
Message-ID: <20260512175019.47548-3-prasanth.padarthi10@gmail.com> (raw)
In-Reply-To: <20260512175019.47548-1-prasanth.padarthi10@gmail.com>
Add initial device tree support for the ASRock Rack B650D4U BMC.
The B650D4U is a server motherboard utilizing the ASPEED AST2600
SoC for management.
Signed-off-by: Prasanth Kumar Padarthi <prasanth.padarthi10@gmail.com>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../dts/aspeed/aspeed-bmc-asrock-b650d4u.dts | 61 +++++++++++++++++++
2 files changed, 62 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-b650d4u.dts
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index c4f064e4b..124d4f8f8 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-asrock-romed8hm3.dtb \
aspeed-bmc-asrock-spc621d8hm3.dtb \
aspeed-bmc-asrock-x570d4u.dtb \
+ aspeed-bmc-asrock-b650d4u.dtb \
aspeed-bmc-asus-x4tf.dtb \
aspeed-bmc-bytedance-g220a.dtb \
aspeed-bmc-delta-ahe50dc.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-b650d4u.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-b650d4u.dts
new file mode 100644
index 000000000..d0b9c1e1f
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-b650d4u.dts
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h> // Recommended for GPIO mapping
+
+/ {
+ model = "ASRock Rack B650D4U BMC";
+ compatible = "asrock,b650d4u-bmc", "aspeed,ast2600";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ stdout-path = "serial4:115200n8";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+};
+
+/* BMC Console UART */
+&uart5 {
+ status = "okay";
+};
+
+/* SPI Flash Management */
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ };
+};
+
+/* Dedicated Management LAN */
+&mac0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+};
+
+/* I2C Bus for FRU/EEPROM Storage */
+&i2c7 {
+ status = "okay";
+ eeprom@57 {
+ compatible = "atmel,24c02";
+ reg = <0x57>;
+ pagesize = <16>;
+ };
+};
+
+/* System Watchdog */
+&wdt1 {
+ status = "okay";
+ aspeed,reset-type = "soc";
+};
--
2.47.3
next prev parent reply other threads:[~2026-05-12 17:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-12 17:50 [PATCH 0/2] ARM: dts: aspeed: Add ASRock Rack B650D4U support Prasanth Kumar Padarthi
2026-05-12 17:50 ` [PATCH 1/2] dt-bindings: arm: aspeed: Add ASRock Rack B650D4U Prasanth Kumar Padarthi
2026-05-12 17:50 ` Prasanth Kumar Padarthi [this message]
2026-05-12 18:35 ` [PATCH 2/2] ARM: dts: aspeed: Add ASRock Rack B650D4U BMC Andrew Lunn
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