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linux-kernel/linux-7.2.3/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
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lastdragon ad2088d178 Resguardo inicial
2026-09-06 12:53:21 -06:00

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// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2025 Facebook Inc.
/dts-v1/;
#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/leds/leds-pca955x.h>
#include <dt-bindings/usb/pd.h>
/ {
model = "Facebook SanMiguel BMC";
compatible = "facebook,sanmiguel-bmc", "aspeed,ast2600";
aliases {
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
serial3 = &uart4;
serial4 = &uart5;
i2c16 = &imux16;
i2c17 = &imux17;
i2c18 = &imux18;
i2c19 = &imux19;
};
chosen {
stdout-path = "serial4:57600n8";
};
iio-hwmon {
compatible = "iio-hwmon";
io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
<&adc0 4>, <&adc0 5>, <&adc0 6>;
};
leds-fio {
compatible = "gpio-leds";
led-0 {
label = "power_blue";
gpios = <&fio_ioexp 4 GPIO_ACTIVE_HIGH>;
};
led-1 {
label = "power_amber";
gpios = <&fio_ioexp 5 GPIO_ACTIVE_LOW>;
};
led-2 {
label = "id_blue";
gpios = <&fio_ioexp 6 GPIO_ACTIVE_HIGH>;
};
led-3 {
label = "id_amber";
gpios = <&fio_ioexp 7 GPIO_ACTIVE_LOW>;
};
};
leds-smm {
compatible = "gpio-leds";
led-0 {
label = "bmc_heartbeat_amber";
gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>;
linux,default-trigger = "heartbeat";
};
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x80000000>;
};
spi2_gpio: spi {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
sck-gpios = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
mosi-gpios = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
miso-gpios = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
cs-gpios = <&gpio0 ASPEED_GPIO(X, 2) GPIO_ACTIVE_LOW>;
num-chipselects = <1>;
tpm@0 {
compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
spi-max-frequency = <33000000>;
reg = <0>;
};
};
standby_power_regulator: standby-power-regulator {
compatible = "regulator-fixed";
gpio = <&gpio0 ASPEED_GPIO(M, 3) GPIO_ACTIVE_HIGH>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "standby_power";
enable-active-high;
regulator-always-on;
regulator-boot-on;
status = "okay";
};
};
&adc0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc0_default &pinctrl_adc1_default
&pinctrl_adc2_default &pinctrl_adc3_default
&pinctrl_adc4_default &pinctrl_adc5_default
&pinctrl_adc6_default>;
aspeed,int-vref-microvolt = <2500000>;
status = "okay";
};
&fmc {
status = "okay";
flash@0 {
label = "bmc";
spi-max-frequency = <50000000>;
m25p,fast-read;
status = "okay";
#include "openbmc-flash-layout-128.dtsi"
};
flash@1 {
label = "alt-bmc";
spi-max-frequency = <50000000>;
m25p,fast-read;
status = "okay";
#include "openbmc-flash-layout-128-alt.dtsi"
};
};
&gpio0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpiom4_unbiased_default
&pinctrl_gpiom5_unbiased_default
&pinctrl_gpiov4_unbiased_default
&pinctrl_gpiov7_unbiased_default>;
gpio-line-names =
/*A0-A7*/ "", "", "", "", "", "", "", "",
/*B0-B7*/ "", "", "", "", "", "", "", "",
/*C0-C7*/ "", "", "", "", "", "", "", "",
/*D0-D7*/ "", "", "", "", "", "FPGA_PEX_RST_L", "", "",
/*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_BMC-I", "BMC_DDR4_TEN-O",
/*J0-J7*/ "", "", "", "", "", "", "", "",
/*K0-K7*/ "", "", "", "", "", "", "", "",
/*L0-L7*/ "", "", "", "", "", "", "", "",
/*M0-M7*/ "USB_HUB_RST_N-O", "BMC_FRU_WP-O",
"", "HMC_STBY_POWER_EN-O",
"STBY_POWER_PG-I", "PCIE_EP_RST_L-O", "", "",
/*N0-N7*/ "", "", "", "", "", "", "", "",
/*O0-O7*/ "", "", "", "", "", "", "", "",
/*P0-P7*/ "", "", "", "", "", "", "", "",
/*Q0-Q7*/ "", "", "", "", "", "", "", "",
/*R0-R7*/ "", "SP0_AP_INTR_N-I", "", "", "", "", "", "",
/*S0-S7*/ "", "", "", "", "", "", "", "",
/*T0-T7*/ "", "", "", "", "", "", "", "",
/*U0-U7*/ "", "", "", "", "", "", "", "",
/*V0-V7*/ "", "", "", "", "PCB_TEMP_ALERT-I", "", "", "",
/*W0-W7*/ "", "", "", "", "", "", "", "CPU_RST_L-I",
/*X0-X7*/ "", "", "", "", "", "", "", "",
/*Y0-Y7*/ "", "", "", "EMMC_RST-O", "", "", "", "",
/*Z0-Z7*/ "HMC_EROT_SPI_INT_L-I", "", "", "", "", "", "", "";
};
&gpio1 {
/* 36 1.8V GPIOs */
gpio-line-names =
/*A0-A7*/ "", "", "", "", "", "", "", "",
/*B0-B7*/ "", "", "", "",
"AP_EROT_REQ-O", "EROT_AP_GNT-I",
"IO_EXPANDER_INT_L-I", "",
/*C0-C7*/ "", "", "", "", "", "", "", "",
/*D0-D7*/ "", "", "", "", "", "", "", "I2C_SSIF_ALERT_L-I",
/*E0-E7*/ "", "", "", "", "", "", "", "";
};
&i2c0 {
status = "okay";
ssif-bmc@10 {
compatible = "ssif-bmc";
reg = <0x10>;
};
};
&i2c1 {
status = "okay";
};
&i2c2 {
status = "okay";
hpm0_ioexp_20: gpio@20 {
compatible = "nxp,pca9555";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
vcc-supply = <&standby_power_regulator>;
gpio-line-names =
"B0_M0_SHDN_FORCE_L-O",
"B0_M0_STBY_POWER_PG-I",
"B0_M0_THERM_OVERT_L-I",
"B0_M0_THERM_WARN_L-I",
"B0_M0_GLOBAL_WP-O",
"B0_M0_USB_HUB0_RST_L-O",
"B0_M0_PRE_SYS_RST_L-O",
"B0_M0_LEAK_DETECT_ALERT_L-I",
"B0_M0_RUN_POWER_EN-O",
"B0_M0_RUN_POWER_PG-I",
"B0_M0_CPU_CHIPTHROT_L-I",
"B0_M0_SHDN_REQ_L-O",
"B0_M0_CPU_SHDN_OK_L-I",
"B0_M0_CPLD_READY-I",
"B0_M0_PWR_BRAKE_L-O",
"B0_M0_PWR_BRAKE_STATUS_L-I";
};
hpm0_ioexp_21: gpio@21 {
compatible = "nxp,pca9555";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
vcc-supply = <&standby_power_regulator>;
gpio-line-names =
"B0_M0_I2C_BUS_MUX_RESET_L-O",
"B0_M0_HPM_MCU_OK-I",
"B0_M0_CPU_L0_RST_IND_L-O",
"B0_M0_C0_SOCAMM_DAC_SEL0-O",
"B0_M0_C1_SOCAMM_DAC_SEL1-O",
"B0_M0_C0_SOCAMM_I2C_SEL_R-O",
"B0_M0_C1_SOCAMM_I2C_SEL_R-O",
"B0_M0_EEPROM_POWER_DISABLE-O",
"B0_M0_L0L1_RST_L-I",
"B0_M0_L2_RST_L-I",
"B0_M0_BRD_ID_0-I",
"B0_M0_BRD_ID_1-I",
"B0_M0_BMC_LEAK_TEST_L-O",
"B0_M0_MCU_BMC_ALERT_L-I",
"B0_M0_CPU_BOOT_COMPLETE_3V3-I",
"B0_M0_BMC_TO_GPU_MCU_I2C_EN-O";
};
};
&i2c3 {
status = "okay";
};
&i2c4 {
status = "okay";
};
&i2c5 {
status = "okay";
smm_ioexp_20: gpio@20 {
compatible = "nxp,pca9555";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
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-O", "USB2_HUB_RST_L-O",
"USB2_BMC_HUB2_RST_L-O", "WARN_LED_L-O";
};
smm_ioexp_21: gpio@21 {
compatible = "nxp,pca9555";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
gpio-line-names =
"BMC_HMC_MUX_SEL-O", "BMC_TPM_MUX_SEL-O",
"BMC_USB2_MUX_SEL-O", "HMC_PGOOD_3V3-I",
"", "HDR_SPI_PRSNT_L-I",
"SW_NRESET_R_L-O", "MUX_I2C_ESPI_SEL-O",
"I2C_BUS_MUX_RESET_L-O", "USB_MUX_EN-O",
"PDB_TRAY_RST-O", "USB_PWR_EN-O",
"RTC_CLR_L-O", "I2C_RTC_ALERT_L-I",
"X86_TPM_RST_SEL_L-O", "BMC_MUX_PI3DP_SEL-O";
};
smm_temp: temperature-sensor@48 {
compatible = "national,lm75";
reg = <0x48>;
};
smm_fru: eeprom@50 {
compatible = "atmel,24c128";
reg = <0x50>;
};
rtc@6f {
compatible = "nuvoton,nct3018y";
reg = <0x6f>;
};
};
&i2c6 {
status = "okay";
hmc_ioexp: gpio@20 {
compatible = "ti,tca6408";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
gpio-line-names =
"", "", "HMC_EROT_FATAL_ERROR_L-I", "",
"", "HMC_EROT_RECOVERY_L-O", "HMC_EROT_RESET_L-O", "";
};
i2c-mux@70 {
compatible = "nxp,pca9546";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
i2c-mux-idle-disconnect;
imux16: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
imux17: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
imux18: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
};
imux19: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
};
};
};
&i2c7 {
status = "okay";
hpm1_ioexp_20: gpio@20 {
compatible = "nxp,pca9555";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
vcc-supply = <&standby_power_regulator>;
gpio-line-names =
"B1_M0_SHDN_FORCE_L-O",
"B1_M0_STBY_POWER_PG-I",
"B1_M0_THERM_OVERT_L-I",
"B1_M0_THERM_WARN_L-I",
"B1_M0_GLOBAL_WP-O",
"B1_M0_USB_HUB0_RST_L-O",
"B1_M0_PRE_SYS_RST_L-O",
"B1_M0_LEAK_DETECT_ALERT_L-I",
"B1_M0_RUN_POWER_EN-O",
"B1_M0_RUN_POWER_PG-I",
"B1_M0_CPU_CHIPTHROT_L-I",
"B1_M0_SHDN_REQ_L-O",
"B1_M0_CPU_SHDN_OK_L-I",
"B1_M0_CPLD_READY-I",
"B1_M0_PWR_BRAKE_L-O",
"B1_M0_PWR_BRAKE_STATUS_L-I";
};
hpm1_ioexp_21: gpio@21 {
compatible = "nxp,pca9555";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
vcc-supply = <&standby_power_regulator>;
gpio-line-names =
"B1_M0_I2C_BUS_MUX_RESET_L-O",
"B1_M0_HPM_MCU_OK-I",
"B1_M0_CPU_L0_RST_IND_L-O",
"B1_M0_C0_SOCAMM_DAC_SEL0-O",
"B1_M0_C1_SOCAMM_DAC_SEL1-O",
"B1_M0_C0_SOCAMM_I2C_SEL_R-O",
"B1_M0_C1_SOCAMM_I2C_SEL_R-O",
"B1_M0_EEPROM_POWER_DISABLE-O",
"B1_M0_L0L1_RST_L-I",
"B1_M0_L2_RST_L-I",
"B1_M0_BRD_ID_0-I",
"B1_M0_BRD_ID_1-I",
"B1_M0_BMC_LEAK_TEST_L-O",
"B1_M0_MCU_BMC_ALERT_L-I",
"B1_M0_CPU_BOOT_COMPLETE_3V3-I",
"B1_M0_BMC_TO_GPU_MCU_I2C_EN-O";
};
};
&i2c8 {
status = "okay";
};
&i2c9 {
status = "okay";
pdb_mps_hsc1: power-monitor@10 {
compatible = "mps,mp5926";
reg = <0x10>;
};
pdb_ti_hsc1: power-monitor@11 {
compatible = "ti,lm5066i";
reg = <0x11>;
shunt-resistor-micro-ohms = <763>;
};
pdb_mps_hsc2: power-monitor@12 {
compatible = "mps,mp5926";
reg = <0x12>;
};
pdb_ti_hsc2: power-monitor@13 {
compatible = "ti,lm5066i";
reg = <0x13>;
shunt-resistor-micro-ohms = <294>;
};
pdb_mps_hsc3: power-monitor@14 {
compatible = "mps,mp5926";
reg = <0x14>;
};
pdb_ti_hsc3: power-monitor@15 {
compatible = "ti,lm5066i";
reg = <0x15>;
shunt-resistor-micro-ohms = <294>;
};
pdb_mps_hsc4: power-monitor@16 {
compatible = "mps,mp5926";
reg = <0x16>;
};
pdb_ti_hsc4: power-monitor@17 {
compatible = "ti,lm5066i";
reg = <0x17>;
shunt-resistor-micro-ohms = <381>;
};
pdb_ioexp_20: gpio@20 {
compatible = "nxp,pca9555";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
gpio-line-names =
"PDB_STRAP-I", "STBY_POWER_EN-O", "STBY_PWR_OK-I", "",
"", "MAIN_PWR_EN-O", "MAIN_PWR_OK-I", "GLOBAL_WP-O",
"PDB_PWR_BRK_L-I", "FAN_PRSNT-I", "", "",
"HSC4_S5_OR_S0_N-O", "", "", "";
};
pdb_temp: temperature-sensor@4e {
compatible = "national,lm75";
reg = <0x4e>;
};
pdb_fru: eeprom@50 {
compatible = "atmel,24c128";
reg = <0x50>;
};
};
&i2c10 {
status = "okay";
scm_temp: temperature-sensor@48 {
compatible = "national,lm75";
reg = <0x48>;
};
scm_fru: eeprom@50 {
compatible = "atmel,24c128";
reg = <0x50>;
};
};
&i2c11 {
status = "okay";
sw_config: eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
};
};
&i2c12 {
status = "okay";
};
&i2c13 {
status = "okay";
mctp-controller;
multi-master;
mctp@10 {
compatible = "mctp-i2c-controller";
reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
};
smm_ext_ioexp: gpio@38 {
compatible = "nxp,pca9554";
reg = <0x38>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
gpio-line-names =
"SSD0_PRSNT_L-I", "E1S_PWR_EN-O",
"SSD0_PWRDIS-O", "I2C_PDB_ALERT_L-I",
"BMC_SSD0_RST_L-O", "GLOBAL_WP_E1S-O",
"12V_SSD0_PGD-I", "SSD0_LED-O";
};
smm_ext_fru: eeprom@55 {
compatible = "atmel,24c128";
reg = <0x55>;
};
};
&i2c14 {
status = "okay";
fio_ioexp: gpio@20 {
compatible = "nxp,pca9555";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <ASPEED_GPIO(B, 6) IRQ_TYPE_LEVEL_LOW>;
gpio-line-names =
"", "", "", "",
"PWR_LED_BLUE", "PWR_LED_AMBER_R_N",
"BEEP_ID_LED_BLUE", "BEEP_ID_LED_AMBER_R_N",
"", "", "", "",
"FM_MAIN_PWREN_RMC_ISO_EN_N", "LEAK_DETECT_RMC_N",
"PWRGD_RMC_N", "SMALL_LEAK_RMC_N";
pwrgd-rmc-hog {
gpio-hog;
gpios = <14 GPIO_ACTIVE_LOW>;
output-low;
};
};
fio_fru: eeprom@50 {
compatible = "atmel,24c64";
reg = <0x50>;
};
};
&i2c15 {
status = "okay";
};
&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 = <&ethphy0>;
pinctrl-0 = <&pinctrl_rgmii1_default>;
status = "okay";
};
&pinctrl {
pinctrl_gpiom4_unbiased_default: gpiom4 {
pins = "B12";
bias-disable;
};
pinctrl_gpiom5_unbiased_default: gpiom5 {
pins = "C12";
bias-disable;
};
pinctrl_gpiov4_unbiased_default: gpiov4 {
pins = "AE15";
bias-disable;
};
pinctrl_gpiov7_unbiased_default: gpiov7 {
pins = "AF15";
bias-disable;
};
};
&uart1 {
status = "okay";
};
&uart3 {
status = "okay";
};
&uart5 {
status = "okay";
};
&uart_routing {
status = "okay";
};
&wdt1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdtrst1_default>;
aspeed,reset-type = "soc";
aspeed,external-signal;
aspeed,ext-push-pull;
aspeed,ext-active-high;
aspeed,ext-pulse-duration = <256>;
status = "okay";
};
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