arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 AMD Inc.
// Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
/dts-v1/;

#include "aspeed-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>

/ {
	model = "AMD EthanolX BMC";
	compatible = "amd,ethanolx-bmc", "aspeed,ast2500";

	memory@80000000 {
		reg = <0x80000000 0x20000000>;
	};
	aliases {
		serial0 = &uart1;
		serial4 = &uart5;
	};
	chosen {
		stdout-path = &uart5;
		bootargs = "console=ttyS4,115200 earlyprintk";
	};
	leds {
		compatible = "gpio-leds";

		fault {
			gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
		};

		identify {
			gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
		};
	};
	iio-hwmon {
		compatible = "iio-hwmon";
		io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
	};
};

&fmc {
	status = "okay";
	flash@0 {
		status = "okay";
		m25p,fast-read;
		#include "openbmc-flash-layout.dtsi"
	};
};


&mac0 {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_rmii1_default>;
	clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
		 <&syscon ASPEED_CLK_MAC1RCLK>;
	clock-names = "MACCLK", "RCLK";
};

&uart1 {
	//Host Console
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_txd1_default
		     &pinctrl_rxd1_default>;
};

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

&adc {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_adc0_default
		     &pinctrl_adc1_default
		     &pinctrl_adc2_default
		     &pinctrl_adc3_default
		     &pinctrl_adc4_default>;
};

//APML for P0
&i2c0 {
	status = "okay";
};

//APML for P1
&i2c1 {
	status = "okay";
};

// Thermal Sensors
&i2c7 {
	status = "okay";

	lm75a@48 {
		compatible = "national,lm75a";
		reg = <0x48>;
	};

	lm75a@49 {
		compatible = "national,lm75a";
		reg = <0x49>;
	};

	lm75a@4a {
		compatible = "national,lm75a";
		reg = <0x4a>;
	};

	lm75a@4b {
		compatible = "national,lm75a";
		reg = <0x4b>;
	};

	lm75a@4c {
		compatible = "national,lm75a";
		reg = <0x4c>;
	};

	lm75a@4d {
		compatible = "national,lm75a";
		reg = <0x4d>;
	};

	lm75a@4e {
		compatible = "national,lm75a";
		reg = <0x4e>;
	};

	lm75a@4f {
		compatible = "national,lm75a";
		reg = <0x4f>;
	};
};

&kcs1 {
	status = "okay";
	kcs_addr = <0x60>;
};

&kcs2 {
	status = "okay";
	kcs_addr = <0x62>;
};

&kcs4 {
	status = "okay";
	kcs_addr = <0x97DE>;
};

&lpc_snoop {
	status = "okay";
	snoop-ports = <0x80>;
};

&lpc_ctrl {
	//Enable lpc clock
	status = "okay";
};

&pwm_tacho {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm0_default
	&pinctrl_pwm1_default
	&pinctrl_pwm2_default
	&pinctrl_pwm3_default
	&pinctrl_pwm4_default
	&pinctrl_pwm5_default
	&pinctrl_pwm6_default
	&pinctrl_pwm7_default>;

	fan@0 {
		reg = <0x00>;
		aspeed,fan-tach-ch = /bits/ 8 <0x00>;
	};

	fan@1 {
		reg = <0x01>;
		aspeed,fan-tach-ch = /bits/ 8 <0x01>;
	};

	fan@2 {
		reg = <0x02>;
		aspeed,fan-tach-ch = /bits/ 8 <0x02>;
	};

	fan@3 {
		reg = <0x03>;
		aspeed,fan-tach-ch = /bits/ 8 <0x03>;
	};

	fan@4 {
		reg = <0x04>;
		aspeed,fan-tach-ch = /bits/ 8 <0x04>;
	};

	fan@5 {
		reg = <0x05>;
		aspeed,fan-tach-ch = /bits/ 8 <0x05>;
	};

	fan@6 {
		reg = <0x06>;
		aspeed,fan-tach-ch = /bits/ 8 <0x06>;
	};

	fan@7 {
		reg = <0x07>;
		aspeed,fan-tach-ch = /bits/ 8 <0x07>;
	};
};