* [PATCH v2 2/2] ARM: dts: aspeed: Add NVIDIA VR144NVL board
2025-08-22 20:38 [PATCH v2 0/2] Add NVIDIA VR144NVL board Donald Shannon
2025-08-22 20:38 ` [PATCH v2 1/2] dt-bindings: arm: aspeed: " Donald Shannon
@ 2025-08-22 20:38 ` Donald Shannon
2025-09-03 7:07 ` Andrew Jeffery
1 sibling, 1 reply; 4+ messages in thread
From: Donald Shannon @ 2025-08-22 20:38 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, donalds
Cc: joel, andrew, devicetree, linux-arm-kernel, linux-aspeed,
linux-kernel, openbmc, etanous
This is an Aspeed AST2600 based BMC board for the NVIDIA VR144NVL
Platform.
Reference to Ast2600 SOC [1].
Reference to DC-SCM Spec [2].
Link: https://www.aspeedtech.com/server_ast2600/ [1]
Link: https://www.opencompute.org/w/index.php?title=Server/MHS/DC-SCM-Specs-and-Designs [2]
Signed-off-by: Donald Shannon <donalds@nvidia.com>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../dts/aspeed/aspeed-bmc-nvidia-vr144nvl.dts | 779 ++++++++++++++++++
2 files changed, 780 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-vr144nvl.dts
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 8062c685f7e8..b479824c434b 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-lenovo-hr855xg2.dtb \
aspeed-bmc-microsoft-olympus.dtb \
aspeed-bmc-nvidia-gb200nvl-bmc.dtb \
+ aspeed-bmc-nvidia-vr144nvl.dtb \
aspeed-bmc-opp-lanyang.dtb \
aspeed-bmc-opp-mowgli.dtb \
aspeed-bmc-opp-nicole.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-vr144nvl.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-vr144nvl.dts
new file mode 100644
index 000000000000..5984984b5109
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-vr144nvl.dts
@@ -0,0 +1,779 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ model = "AST2600 VR144NVL BMC";
+ compatible = "nvidia,vr144nvl-bmc", "aspeed,ast2600";
+
+ aliases {
+ serial2 = &uart3;
+ serial4 = &uart5;
+ i2c16 = &c0uphy0;
+ i2c17 = &c0uphy2;
+ i2c24 = &c1uphy0;
+ i2c25 = &c1uphy2;
+ i2c32 = &i2c_usb_hub;
+ i2c33 = &i2c_tpm;
+ i2c34 = &i2c_dp;
+ i2c35 = &i2c_rtc;
+ };
+
+ buttons {
+ compatible = "gpio-keys";
+ button-power {
+ label = "power_btn";
+ linux,code = <KEY_POWER>;
+ gpios = <&exp7 9 GPIO_ACTIVE_LOW>;
+ };
+ button-uid {
+ label = "uid_btn";
+ linux,code = <KEY_FN_1>;
+ gpios = <&exp7 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ chosen {
+ stdout-path = &uart5;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ hb-led {
+ gpios = <&gpio0 127 GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_HEARTBEAT;
+ color = <LED_COLOR_ID_GREEN>;
+ label = "bmc-hbled";
+ linux,default-trigger = "heartbeat";
+ default-state = "on";
+ retain-state-suspended;
+ retain-state-shutdown;
+ };
+ pwr-led {
+ gpios = <&exp7 8 GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_POWER;
+ color = <LED_COLOR_ID_WHITE>;
+ label = "pwr-led";
+ linux,default-trigger = "default-on";
+ default-state = "on";
+ retain-state-suspended;
+ retain-state-shutdown;
+ };
+ uid-led {
+ gpios = <&exp7 10 GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_INDICATOR;
+ color = <LED_COLOR_ID_BLUE>;
+ label = "uid-led";
+ default-state = "off";
+ retain-state-suspended;
+ retain-state-shutdown;
+ };
+ fault-led {
+ gpios = <&exp7 12 GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_PANIC;
+ color = <LED_COLOR_ID_WHITE>;
+ label = "fault-led";
+ default-state = "off";
+ retain-state-suspended;
+ retain-state-shutdown;
+ panic-indicator;
+ };
+ warn-led {
+ gpios = <&exp7 15 GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_PANIC;
+ color = <LED_COLOR_ID_RED>;
+ label = "warn-led";
+ default-state = "off";
+ retain-state-suspended;
+ retain-state-shutdown;
+ };
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+
+ reg_3v3_stby: regulator-3v3-standby {
+ compatible = "regulator-fixed";
+ regulator-name = "3v3-standby";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio0 ASPEED_GPIO(M, 3) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ vga_memory: framebuffer@9f000000 {
+ no-map;
+ reg = <0x9f000000 0x01000000>; /* 16M */
+ };
+
+ ramoops@a0000000 {
+ compatible = "ramoops";
+ reg = <0xa0000000 0x100000>; /* 1MB */
+ record-size = <0x10000>; /* 64KB */
+ max-reason = <2>; /* KMSG_DUMP_OOPS */
+ };
+
+ gfx_memory: framebuffer {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x01000000>;
+ alignment = <0x01000000>;
+ };
+
+ video_engine_memory: jpegbuffer {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x02000000>; /* 32M */
+ alignment = <0x01000000>;
+ };
+ };
+};
+
+// Enable Primary flash on FMC for bring up activity
+&fmc {
+ status = "okay";
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ label = "bmc";
+ spi-max-frequency = <50000000>;
+ status = "okay";
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ u-boot@0 {
+ // 896KB
+ reg = <0x0 0xe0000>;
+ label = "u-boot";
+ };
+
+ kernel@100000 {
+ // 9MB
+ reg = <0x100000 0x900000>;
+ label = "kernel";
+ };
+
+ rofs@a00000 {
+ // 55292KB (extends to end of 64MB SPI - 4KB)
+ reg = <0xa00000 0x35FF000>;
+ label = "rofs";
+ };
+ };
+ };
+};
+
+&spi2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi2_default>;
+ status = "okay";
+ // Data SPI is 64MB in size
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ label = "config";
+ spi-max-frequency = <50000000>;
+ status = "okay";
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ u-boot-env@0 {
+ // 256KB
+ reg = <0x0 0x40000>;
+ label = "u-boot-env";
+ };
+
+ rwfs@40000 {
+ // 16MB
+ reg = <0x40000 0x1000000>;
+ label = "rwfs";
+ };
+
+ log@1040000 {
+ // 40MB
+ reg = <0x1040000 0x2800000>;
+ label = "log";
+ };
+ };
+ };
+};
+
+&mdio0 {
+ status = "okay";
+ ethphy0: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+};
+
+&mac0 {
+ pinctrl-names = "default";
+ phy-mode = "rgmii-id";
+ phy-handle = <ðphy0>;
+ pinctrl-0 = <&pinctrl_rgmii1_default>;
+ status = "okay";
+};
+
+// USB Port B
+&ehci1 {
+ status = "okay";
+};
+
+// USB Port B
+&uhci {
+ status = "okay";
+};
+
+// USB port A
+&vhub {
+ status = "okay";
+};
+
+&rng {
+ status = "okay";
+};
+
+&video {
+ memory-region = <&video_engine_memory>;
+ status = "okay";
+};
+
+&gpio0 {
+ gpio-line-names =
+ /*A0-A7*/ "", "", "", "", "", "", "", "",
+ /*B0-B7*/ "", "", "", "", "", "", "", "",
+ /*C0-C7*/ "", "", "", "", "", "", "", "",
+ /*D0-D7*/ "", "", "", "", "", "", "", "",
+ /*E0-E7*/ "RTL8221_PHY_RST_L-O", "RTL8211_PHY_INT_L-I", "", "", "", "", "",
+ "MUX_SGPIO_SEL-O",
+ /*F0-F7*/ "", "", "", "", "", "", "", "",
+ /*G0-G7*/ "", "", "", "", "", "", "", "",
+ /*H0-H7*/ "", "", "", "", "", "", "", "",
+ /*I0-I7*/ "", "", "", "", "", "QSPI2_RST_L-O", "GLOBAL_WP-O", "BMC_DDR4_TEN-O",
+ /*J0-J7*/ "", "", "", "", "", "", "", "",
+ /*K0-K7*/ "", "", "", "", "", "", "", "",
+ /*L0-L7*/ "", "", "", "", "", "", "", "",
+ /*M0-M7*/ "HUB_RST_N-O", "BMC_FRU_WP-O", "SCM_PGOOD_C-O", "HPM_STBY_POWER_EN-O",
+ "STBY_POWER_PG_3V3-I", "PCIE_EP_RST_C_L-O", "", "",
+ /*N0-N7*/ "", "", "", "", "", "", "", "",
+ /*O0-O7*/ "", "", "", "", "", "", "", "",
+ /*P0-P7*/ "", "", "", "", "", "", "", "BMC_HBLED_L-O",
+ /*Q0-Q7*/ "", "", "", "", "", "", "", "",
+ /*R0-R7*/ "", "SP0_AP_INTR_N-I", "", "", "", "", "", "",
+ /*S0-S7*/ "", "", "", "", "", "", "", "",
+ /*T0-T7*/ "", "", "", "", "", "", "", "",
+ /*U0-U7*/ "", "", "", "", "", "", "", "",
+ /*V0-V7*/ "", "", "", "","PCB_TEMP_ALERT_L-I", "","", "",
+ /*W0-W7*/ "", "", "", "", "", "", "", "",
+ /*X0-X7*/ "", "", "", "", "", "", "", "",
+ /*Y0-Y7*/ "", "", "", "EMMC_RST_L-O", "","", "", "",
+ /*Z0-Z7*/ "GPIOZ0_EROT_OOB_INTR_N_C-I","", "", "", "", "", "", "";
+};
+
+&gpio1 {
+ /* 36 1.8V GPIOs */
+ gpio-line-names =
+ /*A0-A7*/ "", "", "", "", "", "", "", "",
+ /*B0-B7*/ "", "", "", "", "AP_EROT_REQ-O", "EROT_AP_GNT-I", "I2C_MGMT0_ALERT_N-I",
+ "",
+ /*C0-C7*/ "", "", "", "", "", "", "", "",
+ /*D0-D7*/ "", "", "", "", "", "", "", "I2C_SSIF_ALERT_N-I",
+ /*E0-E7*/ "", "", "", "", "", "", "", "";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart5 {
+ status = "okay";
+};
+
+// I2C1
+&i2c0 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C2
+// Baseboard 0 Management 1
+&i2c1 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+ i2c-mux-idle-disconnect;
+ vdd-supply = <®_3v3_stby>;
+
+ c0uphy0: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ c0uphy2: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+
+ exp0: gpio@20 {
+ compatible = "nxp,pca9535";
+ reg = <0x20>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "MCU_RESET_L-O",
+ "MCU_RECOVERY_L-O",
+ "GPU_MCU_RESET_L_3V3-O",
+ "GPU_MCU_RECOVERY_L_3V3-O",
+ "THERM_OVERT_L-I",
+ "THERM_WARN_L-I",
+ "HMC_IST_PRE_RST_L-O",
+ "CPLD_READY-I",
+ "MODULE_PWR_GOOD-I",
+ "MCU_HMC_ALERT_L-I",
+ "USB_HMC_HUB_RST_L-O",
+ "HPM_MCU_OK-I",
+ "CPU0_SHDN_OK_L_3V3-I",
+ "PRIMARY_NODE_L-O",
+ "IST_SYS_RST_L-O",
+ "PWR_BRAKE_STATUS_L-I";
+ };
+
+ exp1: gpio@21 {
+ compatible = "nxp,pca9535";
+ reg = <0x21>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "CPU_FORCED_RECOVERY_L-O",
+ "CPU_BOOT_DEV_SEL0-O",
+ "CPU_BOOT_DEV_SEL1-O",
+ "CPU_BOOT_DEV_SEL2-O",
+ "BOARD_ID_0-I",
+ "CPU_RECOVERY_TYPE0-O",
+ "CPU_RECOVERY_TYPE1-O",
+ "CPU_IST_BOOT_HMC-O",
+ "CPU_BOOT_CHAIN0-O",
+ "BOARD_ID_1-I",
+ "BOARD_ID_2-I",
+ "CPU_DIE_SEL0-O",
+ "CPU_DIE_SEL1-O",
+ "CPU_DIE_SEL2-O",
+ "CPU_BOOT_COMPLETE-I",
+ "IOX_JTAG_NVSEL-O";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+// I2C3
+// Baseboard 0 Management 0
+&i2c2 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ exp3: gpio@20 {
+ compatible = "nxp,pca9535";
+ reg = <0x20>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "BMC_SHDN_FORCE_L-O",
+ "IOX_STBY_PWR_PGOOD-I",
+ "THERM_OVERT_L-I",
+ "THERM_WARN_L-I",
+ "GLOBAL_WP_BMC-O",
+ "USB_HUB0_RST_L-O",
+ "IOX_PRE_RST_N-O",
+ "LEAK_DETECT_L-I",
+ "RUN_PWR_EN-O",
+ "MODULE_PWR_GOOD-I",
+ "CPU_CHIPTHROT_L_3V3-I",
+ "SHDN_REQ_L_3V3-O",
+ "CPU0_SHDN_OK_L_3V3-I",
+ "CPU1_SHDN_OK_L_3V3-I",
+ "PWR_BRAKE_L_3V3-O",
+ "PWR_BRAKE_STATUS_L-I";
+ };
+
+ exp4: gpio@21 {
+ compatible = "nxp,pca9535";
+ reg = <0x21>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "I2C_BUS_MUX_RST_L-O",
+ "HPM_MCU_OK-I",
+ "AIC_USB_EN-O",
+ "SOCAMM_DAC_SEL0-O",
+ "SNN_SOCAMM_DAC_SEL1-O",
+ "C0_SOCAMM_I2C_SEL_R-O",
+ "SNN_C1_SOCAMM_I2C_SEL_R-O",
+ "EEPROM_POWER_DISABLE-O",
+ "CPU_L0L1_RST_L_3V3-I",
+ "CPU_L2_RST_L_3V3-I",
+ "BOARD_ID_0-I",
+ "BOARD_ID_1-I",
+ "BMC_LEAK_TEST_L-O",
+ "MCU_BMC_ALERT_L-I",
+ "CPU_BOOT_COMPLETE_3V3-I",
+ "BOARD_ID_2-I";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+// I2C4
+// Baseboard 1 Management 1
+&i2c3 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+ i2c-mux-idle-disconnect;
+ vdd-supply = <®_3v3_stby>;
+
+ c1uphy0: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ c1uphy2: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+
+ exp5: gpio@20 {
+ compatible = "nxp,pca9535";
+ reg = <0x20>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "MCU_RESET_L_C1-O",
+ "MCU_RECOVERY_L_C1-O",
+ "GPU_MCU_RESET_L_3V3_C1-O",
+ "GPU_MCU_RECOVERY_L_3V3_C1-O",
+ "THERM_OVERT_L_C1-I",
+ "THERM_WARN_L_C1-I",
+ "HMC_IST_PRE_RST_L_C1-O",
+ "CPLD_READY_C1-I",
+ "MODULE_PWR_GOOD_C1-I",
+ "MCU_HMC_ALERT_L_C1-I",
+ "USB_HMC_HUB_RST_L_C1-O",
+ "HPM_MCU_OK_C1-I",
+ "CPU0_SHDN_OK_L_3V3_C1-I",
+ "PRIMARY_NODE_L_C1-O",
+ "IST_SYS_RST_L_C1-O",
+ "PWR_BRAKE_STATUS_L_C1-I";
+ };
+
+ exp6: gpio@21 {
+ compatible = "nxp,pca9535";
+ reg = <0x21>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "CPU_FORCED_RECOVERY_L_C1-O",
+ "CPU_BOOT_DEV_SEL0_C1-O",
+ "CPU_BOOT_DEV_SEL1_C1-O",
+ "CPU_BOOT_DEV_SEL2_C1-O",
+ "BOARD_ID_0_C1-I",
+ "CPU_RECOVERY_TYPE0_C1-O",
+ "CPU_RECOVERY_TYPE1_C1-O",
+ "CPU_IST_BOOT_HMC_C1-O",
+ "CPU_BOOT_CHAIN0_C1-O",
+ "BOARD_ID_1_C1-I",
+ "BOARD_ID_2_C1-I",
+ "CPU_DIE_SEL0_C1-O",
+ "CPU_DIE_SEL1_C1-O",
+ "CPU_DIE_SEL2_C1-O",
+ "CPU_BOOT_COMPLETE_C1-I",
+ "IOX_JTAG_NVSEL_C1-O";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+// I2C5
+&i2c4 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C6
+// Management Board
+&i2c5 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ exp7: gpio@20 {
+ compatible = "nxp,pca9555";
+ reg = <0x20>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "HMC_RST_R_L-O",
+ "HMC_RECOVERY_R-O",
+ "HMC_SPI_MUX_R_SEL-O",
+ "GLOBAL_WP-O",
+ "HMC_READY-I",
+ "HMC_PRSNT_R-I",
+ "BMC_SELF_PWR_CYCLE-O",
+ "EEDO_LED2-O",
+ "PWR_LED_L-O",
+ "PWR_BTN_L-I",
+ "UID_LED_L-O",
+ "UID_BTN_L-I",
+ "FAULT_LED_L-I",
+ "USB2_HUB_RST_L-O",
+ "BMC_M2_RST_L-O",
+ "WARN_LED_L-O";
+ };
+
+ temp-sensor@48 {
+ compatible = "ti,tmp1075";
+ reg = <0x48>;
+ };
+};
+
+// I2C7
+// BMC Expander + Management Board
+&i2c6 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ exp8: gpio@20 {
+ compatible = "ti,tca6408";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-line-names =
+ "",
+ "",
+ "EROT_FATAL_ERROR_N-I",
+ "",
+ "",
+ "EROT_RECOV_N-O",
+ "NRESET_IN_IOX_N-O",
+ "";
+ };
+
+ i2c-mux@70 {
+ compatible = "nxp,pca9546";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x70>;
+ i2c-mux-idle-disconnect;
+ vdd-supply = <®_3v3_stby>;
+
+ i2c_usb_hub:i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ i2c_tpm:i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ };
+
+ i2c_dp:i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ i2c_rtc:i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+ };
+};
+
+// I2C8
+// Baseboard 1 Management 0
+&i2c7 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ exp9: gpio@20 {
+ compatible = "nxp,pca9535";
+ reg = <0x20>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "BMC_SHDN_FORCE_L_C1-O",
+ "IOX_STBY_PWR_PGOOD_C1-I",
+ "THERM_OVERT_L_C1-I",
+ "THERM_WARN_L_C1-I",
+ "GLOBAL_WP_BMC_C1-O",
+ "USB_HUB0_RST_L_C1-O",
+ "IOX_PRE_RST_N_C1-O",
+ "LEAK_DETECT_L_C1-I",
+ "RUN_PWR_EN_C1-O",
+ "MODULE_PWR_GOOD_C1-I",
+ "CPU_CHIPTHROT_L_3V3_C1-I",
+ "SHDN_REQ_L_3V3_C1-O",
+ "CPU0_SHDN_OK_L_3V3_C1-I",
+ "CPU1_SHDN_OK_L_3V3_C1-I",
+ "PWR_BRAKE_L_3V3_C1-O",
+ "PWR_BRAKE_STATUS_L_C1-I";
+ };
+
+ exp10: gpio@21 {
+ compatible = "nxp,pca9535";
+ reg = <0x21>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ vcc-supply = <®_3v3_stby>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "I2C_BUS_MUX_RST_L_C1-O",
+ "HPM_MCU_OK_C1-I",
+ "AIC_USB_EN_C1-O",
+ "SOCAMM_DAC_SEL0_C1-O",
+ "SNN_SOCAMM_DAC_SEL1_C1-O",
+ "C0_SOCAMM_I2C_SEL_R_C1-O",
+ "SNN_C1_SOCAMM_I2C_SEL_R_C1-O",
+ "EEPROM_POWER_DISABLE_C1-O",
+ "CPU_L0L1_RST_L_3V3_C1-I",
+ "CPU_L2_RST_L_3V3_C1-I",
+ "BOARD_ID_0_C1-I",
+ "BOARD_ID_1_C1-I",
+ "BMC_LEAK_TEST_L_C1-O",
+ "MCU_BMC_ALERT_L_C1-I",
+ "CPU_BOOT_COMPLETE_3V3_C1-I",
+ "BOARD_ID_2_C1-I";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c64";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+// I2C9
+&i2c8 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C10
+&i2c9 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C11
+// BMC FRU + TEMP
+&i2c10 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+
+ temp-sensor@48 {
+ compatible = "ti,tmp1075";
+ reg = <0x48>;
+ };
+
+};
+
+// I2C13
+&i2c12 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C14
+&i2c13 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C15
+&i2c14 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+// I2C16
+&i2c15 {
+ clock-frequency = <400000>;
+ status = "okay";
+};
--
2.43.0
^ permalink raw reply related [flat|nested] 4+ messages in thread