arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts

// SPDX-License-Identifier: GPL-2.0+
// Copyright (c) 2018 Facebook Inc.
/dts-v1/;

#include "ast2500-facebook-netbmc-common.dtsi"

/ {
	model = "Facebook Minipack 100 BMC";
	compatible = "facebook,minipack-bmc", "aspeed,ast2500";

	aliases {
		/*
		 * Override the default serial aliases to avoid breaking
		 * the legacy applications.
		 */
		serial0 = &uart5;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
		serial4 = &uart4;

		/*
		 * i2c switch 2-0070, pca9548, 8 child channels assigned
		 * with bus number 16-23.
		 */
		i2c16 = &imux16;
		i2c17 = &imux17;
		i2c18 = &imux18;
		i2c19 = &imux19;
		i2c20 = &imux20;
		i2c21 = &imux21;
		i2c22 = &imux22;
		i2c23 = &imux23;

		/*
		 * i2c switch 8-0070, pca9548, 8 child channels assigned
		 * with bus number 24-31.
		 */
		i2c24 = &imux24;
		i2c25 = &imux25;
		i2c26 = &imux26;
		i2c27 = &imux27;
		i2c28 = &imux28;
		i2c29 = &imux29;
		i2c30 = &imux30;
		i2c31 = &imux31;

		/*
		 * i2c switch 9-0070, pca9548, 8 child channels assigned
		 * with bus number 32-39.
		 */
		i2c32 = &imux32;
		i2c33 = &imux33;
		i2c34 = &imux34;
		i2c35 = &imux35;
		i2c36 = &imux36;
		i2c37 = &imux37;
		i2c38 = &imux38;
		i2c39 = &imux39;

		/*
		 * i2c switch 11-0070, pca9548, 8 child channels assigned
		 * with bus number 40-47.
		 */
		i2c40 = &imux40;
		i2c41 = &imux41;
		i2c42 = &imux42;
		i2c43 = &imux43;
		i2c44 = &imux44;
		i2c45 = &imux45;
		i2c46 = &imux46;
		i2c47 = &imux47;
	};

	chosen {
		stdout-path = &uart1;
		bootargs = "debug console=ttyS1,9600n8 root=/dev/ram rw";
	};
};

&wdt2 {
	status = "okay";
	aspeed,reset-type = "system";
};

/*
 * Both firmware flashes are 64MB on Minipack BMC.
 */
&fmc_flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/*
		 * u-boot partition: 384KB.
		 */
		u-boot@0 {
			reg = <0x0 0x60000>;
			label = "u-boot";
		};

		/*
		 * u-boot environment variables: 128KB.
		 */
		u-boot-env@60000 {
			reg = <0x60000 0x20000>;
			label = "env";
		};

		/*
		 * FIT image: 59.5 MB.
		 */
		fit@80000 {
			reg = <0x80000 0x3b80000>;
			label = "fit";
		};

		/*
		 * "data0" partition (4MB) is reserved for persistent
		 * data store.
		 */
		data0@3800000 {
			reg = <0x3c00000 0x400000>;
			label = "data0";
		};

		/*
		 * "flash0" partition (covering the entire flash) is
		 * explicitly created to avoid breaking legacy applications.
		 */
		flash0@0 {
			reg = <0x0 0x4000000>;
			label = "flash0";
		};
	};
};

&fmc_flash1 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		flash1@0 {
			reg = <0x0 0x4000000>;
		};
	};
};

&uart1 {
	pinctrl-0 = <&pinctrl_txd1_default
		     &pinctrl_rxd1_default
		     &pinctrl_ncts1_default
		     &pinctrl_ndsr1_default
		     &pinctrl_ndtr1_default
		     &pinctrl_nrts1_default>;
};

&uart2 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_txd2_default
		     &pinctrl_rxd2_default>;
};

&uart4 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_txd4_default
		     &pinctrl_rxd4_default>;
};

&i2c0 {
	status = "okay";
	bus-frequency = <400000>;
	multi-master;
};

&i2c1 {
	status = "okay";
};

&i2c2 {
	status = "okay";

	i2c-switch@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		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>;
		};

		imux20: i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
		};

		imux21: i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
		};

		imux22: i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;
		};

		imux23: i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
		};
	};
};

&i2c3 {
	status = "okay";
};

&i2c4 {
	status = "okay";
	multi-master;
};

&i2c5 {
	status = "okay";
};

&i2c6 {
	status = "okay";
};

&i2c7 {
	status = "okay";
};

&i2c8 {
	status = "okay";

	i2c-switch@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		imux24: i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
		};

		imux25: i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;
		};

		imux26: i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;
		};

		imux27: i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;
		};

		imux28: i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
		};

		imux29: i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
		};

		imux30: i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;
		};

		imux31: i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
		};
	};
};

&i2c9 {
	status = "okay";

	i2c-switch@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		imux32: i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
		};

		imux33: i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;
		};

		imux34: i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;
		};

		imux35: i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;
		};

		imux36: i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
		};

		imux37: i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
		};

		imux38: i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;
		};

		imux39: i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
		};
	};
};

&i2c10 {
	status = "okay";
};

&i2c11 {
	status = "okay";

	i2c-switch@70 {
		compatible = "nxp,pca9548";
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0x70>;

		imux40: i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0>;
		};

		imux41: i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <1>;
		};

		imux42: i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <2>;
		};

		imux43: i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <3>;
		};

		imux44: i2c@4 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <4>;
		};

		imux45: i2c@5 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <5>;
		};

		imux46: i2c@6 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <6>;
		};

		imux47: i2c@7 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <7>;
		};
	};
};

&i2c12 {
	status = "okay";
};

&i2c13 {
	status = "okay";
};