xref: /linux/scripts/dtc/include-prefixes/arm/aspeed/aspeed-bmc-facebook-sanmiguel.dts (revision 67f8bc848ee31831336bd478e57d2f993551902e)

// 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 = <1000>;
	};

	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 = <321>;
	};

	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 = <321>;
	};

	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 = <500>;
	};

	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 = <&gpio0>;
		interrupts = <ASPEED_GPIO(C, 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-high;
		};
	};

	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";
};