[PATCH 4/4] ARM: dts: aspeed: add Intel JNCRP BMC
From: Dawid Glazik
Date: Fri Oct 02 2026 - 11:42:35 EST
Add the initial AST2600 device tree for the Intel JNCRP BMC platform.
Signed-off-by: Dawid Glazik <dawid.glazik@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../dts/aspeed/aspeed-bmc-intel-jncrp.dts | 257 ++++++++++++++++++
2 files changed, 258 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-intel-jncrp.dts
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index ea4645ef9872..f0d665b3dcee 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -55,6 +55,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-ibm-sbp1.dtb \
aspeed-bmc-ibm-system1.dtb \
aspeed-bmc-intel-avcrp.dtb \
+ aspeed-bmc-intel-jncrp.dtb \
aspeed-bmc-intel-s2600wf.dtb \
aspeed-bmc-inspur-fp5280g2.dtb \
aspeed-bmc-inspur-nf5280m6.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-intel-jncrp.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-intel-jncrp.dts
new file mode 100644
index 000000000000..87e5e1ce6594
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-intel-jncrp.dts
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2025 Intel Corporation
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+ model = "Intel JNCRP BMC";
+ compatible = "intel,jncrp-bmc", "aspeed,ast2600";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ bootargs = "console=ttyS4,115200n8";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+};
+
+&rtc {
+ status = "okay";
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+#include "openbmc-flash-layout-64.dtsi"
+ };
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&mdio1 {
+ status = "okay";
+
+ ethphy1: ethernet-phy@0 {
+ compatible = "ethernet-phy-id001c.c916";
+ reg = <0>;
+ reset-gpios = <&gpio0 ASPEED_GPIO(C, 1) GPIO_ACTIVE_LOW>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <50000>;
+ };
+};
+
+&mac1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii2_default>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC2CLK>,
+ <&syscon ASPEED_CLK_MAC2RCLK>;
+ clock-names = "MACCLK", "RCLK";
+ phy-mode = "rgmii-id";
+ phy-handle = <ðphy1>;
+};
+
+&lpc {
+ lpc_snoop: lpc-snoop@80 {
+ snoop-ports = <0x80>;
+ status = "okay";
+ };
+};
+
+&gpio0 {
+ status = "okay";
+ gpio-line-names =
+ /*A0-A7*/ "", "", "", "", "", "", "", "",
+ /*B0-B7*/ "PWRGD_AUX_PWRGD_BMC_CPU", "", "", "", "", "", "",
+ "FP_ID_LED_N",
+ /*C0-C7*/ "FM_FORCE_BMC_UPDATE_N", "RST_RGMII_PHYRST_N",
+ "FM_TPM_EN_PULSE", "", "", "",
+ "DBP_HOOK3_CPU_FBRK_OUT_R_N", "DBP_PRSNT_IN_N",
+ /*D0-D7*/ "CPU_ERR0_N", "CPU_ERR1_N", "CPU_ERR2_N", "DBP_ASD_BMC_PRDY_N",
+ "FM_SPD_SWITCH_CTRL_N", "", "", "",
+ /*E0-E7*/ "", "", "", "ID_BUTTON", "", "", "", "",
+ /*F0-F7*/ "", "", "FM_AGGREGATOR_MODE_N", "", "", "",
+ "FP_LED_STATUS_GREEN_R_N", "FP_LED_STATUS_AMBER_R_N",
+ /*G0-G7*/ "", "", "", "", "", "", "", "",
+ /*H0-H7*/ "", "", "", "", "", "", "", "",
+ /*I0-I7*/ "", "", "", "", "", "", "", "",
+ /*J0-J7*/ "", "", "", "", "", "", "", "",
+ /*K0-K7*/ "", "", "", "", "", "", "", "",
+ /*L0-L7*/ "", "", "", "", "PREQ_N", "FM_P3V3_SW_ENA", "", "",
+ /*M0-M7*/ "", "", "", "", "", "", "", "",
+ /*N0-N7*/ "", "", "", "", "", "", "", "",
+ /*O0-O7*/ "", "", "", "", "", "", "NMI_BUTTON", "",
+ /*P0-P7*/ "RESET_BUTTON", "RESET_OUT", "POWER_BUTTON", "POWER_OUT",
+ "", "", "", "LED_BMC_HB_LED_N",
+ /*Q0-Q7*/ "", "", "", "", "", "", "", "",
+ /*R0-R7*/ "", "", "", "", "", "", "", "",
+ /*S0-S7*/ "CPU_CATERR_IERR_N", "CPU_CATERR_MCERR_N", "FM_BMC_FRU_WP_N",
+ "FM_INTRUSION_CABLE_PRES_N", "PWRGD_CPU_AUXPWRGD",
+ "FM_P3V_BAT_SCALED_EN", "REMOTE_DEBUG_ENABLE", "",
+ /*T0-T7*/ "", "", "", "", "", "", "", "",
+ /*U0-U7*/ "", "", "", "", "", "", "", "",
+ /*V0-V7*/ "SIO_S3", "SIO_S5", "", "SIO_ONCONTROL",
+ "SIO_POWER_GOOD", "", "", "",
+ /*W0-W7*/ "", "", "", "", "", "", "", "",
+ /*X0-X7*/ "", "", "POST_COMPLETE", "", "", "", "", "",
+ /*Y0-Y7*/ "FM_BMC_CMOS_CLR_R_N", "PLTRST_N", "FM_BMC_SAFS_EN",
+ "IRQ_PSU_ALERT_LVC3_N", "", "", "", "",
+ /*Z0-Z7*/ "", "", "", "", "", "", "", "";
+
+ spd-switch-cpu-hog {
+ gpio-hog;
+ gpios = <ASPEED_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
+ output-low;
+ };
+};
+
+&sgpiom0 {
+ ngpios = <128>;
+ bus-frequency = <2000000>;
+ status = "okay";
+ gpio-line-names =
+ /*A, 0-7*/ "CPU0_VRHOT_N", "LED_POSTCODE_0_LSB",
+ "CPU0_THERMTRIP_N", "LED_POSTCODE_1",
+ "CPU0_MEMTRIP_N", "LED_POSTCODE_2",
+ "CPU0_MEM_VRHOT_N", "LED_POSTCODE_3",
+ "CPU0_MEM_HOT_N", "LED_POSTCODE_4",
+ "CPU0_MON_FAIL_N", "LED_POSTCODE_5",
+ "CPU1_VRHOT_N", "LED_POSTCODE_6",
+ "CPU1_THERMTRIP_N", "LED_POSTCODE_7_MSB",
+ /*B, 8-15*/ "CPU1_MEMTRIP_N", "FM_ASYNC_WARM_RESET_REQ",
+ "CPU1_MEM_VRHOT_N", "HPM_FRU_READ_DONE",
+ "CPU1_MEM_HOT_N", "FM_ASYNC_GLOBAL_RESET_REQ",
+ "CPU1_MON_FAIL_N", "BMC_BOOT_DONE",
+ "CPU2_VRHOT_N", "NMI_OUT",
+ "CPU2_THERMTRIP_N", "AGGREGATOR_MODE",
+ "CPU2_MEMTRIP_N", "RST_I3C_PCIE_HUB_N",
+ "CPU2_MEM_VRHOT_N", "",
+ /*C, 16-23*/ "CPU2_MEM_HOT_N", "HPM0_PRESENT",
+ "CPU2_MON_FAIL_N", "HPM1_PRESENT",
+ "CPU3_VRHOT_N", "HPM2_PRESENT",
+ "CPU3_THERMTRIP_N", "HPM3_PRESENT",
+ "CPU3_MEMTRIP_N", "HPM0_SOURCE_TO_DESTINATION_FAIL",
+ "CPU3_MEM_VRHOT_N", "HPM1_SOURCE_TO_DESTINATION_FAIL",
+ "CPU3_MEM_HOT_N", "HPM2_SOURCE_TO_DESTINATION_FAIL",
+ "CPU3_MON_FAIL_N", "HPM3_SOURCE_TO_DESTINATION_FAIL",
+ /*D, 24-31*/ "FM_BMC_VAL_EN", "HPM0_FRU_VALID",
+ "FM_SERIAL_BOOT", "HPM1_FRU_VALID",
+ "FM_INTRUSION_CABLE_PRES_N", "HPM2_FRU_VALID",
+ "USB_OC_P2_3_N", "HPM3_FRU_VALID",
+ "FM_SYSTEM_COOLING_MODE0", "FM_S2D_DISCOVERY_DONE",
+ "FM_SYSTEM_COOLING_MODE1", "", "", "", "", "",
+ /*E, 32-39*/ "DBP_PMODE_S0_PWROK", "", "DBP_PMODE_PLTRST", "",
+ "DBP_PMODE_GLOBALRESET", "", "DBP_PMODE_CPU_PWRGD", "",
+ "FM_SMBUS_RDY", "", "FM_LEAK_DETECTION", "",
+ "FM_LEAK_CBL_PRSNT_N", "", "FM_LEAK_CBL_FAULT_N", "",
+ /*F, 40-47*/ "CPU0_SKTOCC1_N", "CPU0_SKT_FAULT_LED",
+ "CPU0_SKTOCC2_N", "CPU1_SKT_FAULT_LED",
+ "CPU0_MISMATCH", "CPU2_SKT_FAULT_LED",
+ "CPU1_SKTOCC1_N", "CPU3_SKT_FAULT_LED",
+ "CPU1_SKTOCC2_N", "", "CPU1_MISMATCH", "",
+ "CPU2_SKTOCC1_N", "", "CPU2_SKTOCC2_N", "",
+ /*G, 48-55*/ "CPU2_MISMATCH", "", "CPU3_SKTOCC1_N", "",
+ "CPU3_SKTOCC2_N", "", "CPU3_MISMATCH", "",
+ "HPM0_PRSNT_N", "", "HPM1_PRSNT_N", "",
+ "HPM2_PRSNT_N", "", "HPM3_PRSNT_N", "",
+ /*H, 56-63*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*I, 64-71*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*J, 72-79*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*K, 80-87*/ "FM_BOARD_REV_ID0", "", "FM_BOARD_REV_ID1", "",
+ "FM_BOARD_REV_ID2", "", "FM_BOARD_SKU_ID0", "",
+ "FM_BOARD_SKU_ID1", "", "FM_BOARD_SKU_ID2", "",
+ "FM_BOARD_SKU_ID3", "", "FM_BOARD_SKU_ID4", "",
+ /*L, 88-95*/ "FM_BOARD_SKU_ID5", "", "FM_BOARD_SKU_ID6", "",
+ "FM_BOARD_SKU_ID7", "", "", "", "", "", "", "",
+ "", "", "", "",
+ /*M, 96-103*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*N, 104-111*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*O, 112-119*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
+ /*P, 120-127*/ "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "";
+};
+
+&i3c_global {
+ status = "okay";
+};
+
+&i3c1 {
+ status = "okay";
+ mctp-controller;
+ i2c-scl-hz = <1000000>;
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&i2c5 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c6 {
+ status = "okay";
+};
+
+&i2c7 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c8 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c9 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c10 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c11 {
+ status = "okay";
+};
+
+&i2c12 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c13 {
+ multi-master;
+ status = "okay";
+};
+
+&i2c14 {
+ status = "okay";
+};
+
+&i2c15 {
+ multi-master;
+ status = "okay";
+};
--
2.43.0