path: root/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-harma.dts

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright 2023 Facebook Inc.

/dts-v1/;
#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	model = "Facebook Harma";
	compatible = "facebook,harma-bmc", "aspeed,ast2600";

	aliases {
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart4;
		serial4 = &uart5;

		i2c20 = &imux20;
		i2c21 = &imux21;
		i2c22 = &imux22;
		i2c23 = &imux23;
		i2c28 = &imux28;
		i2c29 = &imux29;
		i2c30 = &imux30;
		i2c31 = &imux31;

		spi1 = &spi_gpio;
	};

	chosen {
		stdout-path = &uart5;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x80000000>;
	};

	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
			      <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
			      <&adc1 2>;
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "bmc_heartbeat_amber";
			gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			label = "fp_id_amber";
			default-state = "off";
			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
		};

		led-2 {
			label = "power_blue";
			default-state = "off";
			gpios = <&gpio0 124 GPIO_ACTIVE_HIGH>;
		};
	};

	spi_gpio: spi {
		status = "okay";
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		sck-gpios = <&gpio0 ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
		mosi-gpios = <&gpio0 ASPEED_GPIO(Z, 4) GPIO_ACTIVE_HIGH>;
		miso-gpios = <&gpio0 ASPEED_GPIO(Z, 5) GPIO_ACTIVE_HIGH>;
		num-chipselects = <1>;
		cs-gpios = <&gpio0 ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>;

		tpm@0 {
			compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
			spi-max-frequency = <33000000>;
			reg = <0>;
		};
	};
};

// HOST BIOS Debug
&uart1 {
	status = "okay";
};

// SOL Host Console
&uart2 {
	status = "okay";
	pinctrl-0 = <>;
};

// SOL BMC Console
&uart4 {
	status = "okay";
	pinctrl-0 = <>;
};

// BMC Debug Console
&uart5 {
	status = "okay";
};

// MTIA
&uart6 {
	status = "okay";
};

&uart_routing {
	status = "okay";
};

&wdt1 {
	status = "okay";
	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>;
};

&mac3 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_rmii4_default>;
	use-ncsi;
};

&fmc {
	status = "okay";

	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "bmc";
		spi-max-frequency = <50000000>;
#include "openbmc-flash-layout-128.dtsi"
	};

	flash@1 {
		status = "okay";
		m25p,fast-read;
		label = "alt-bmc";
		spi-max-frequency = <50000000>;
	};
};

// BIOS Flash
&spi2 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_spi2_default>;

	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "pnor";
		spi-max-frequency = <12000000>;
		spi-tx-bus-width = <2>;
		spi-rx-bus-width = <2>;
	};
};

&kcs2 {
	status = "okay";
	aspeed,lpc-io-reg = <0xca8>;
};

&kcs3 {
	status = "okay";
	aspeed,lpc-io-reg = <0xca2>;
};

&i2c0 {
	status = "okay";

	pwm@5e {
		compatible = "maxim,max31790";
		reg = <0x5e>;
	};

	power-sensor@40 {
		compatible = "ti,ina238";
		reg = <0x40>;
		shunt-resistor = <1000