xref: /linux/arch/mips/boot/dts/mscc/jaguar2_pcb111.dts (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2018 Microsemi Corporation
 */

/dts-v1/;
#include "jaguar2_common.dtsi"

/ {
	model = "Jaguar2 Cu48 PCB111 Reference Board";
	compatible = "mscc,jr2-pcb111", "mscc,jr2";

	aliases {
		i2c0    = &i2c0;
		i2c149  = &i2c149;
		i2c150  = &i2c150;
		i2c151  = &i2c151;
		i2c152  = &i2c152;
		i2c203  = &i2c203;
	};

	i2c0_imux: i2c0-imux {
		compatible = "i2c-mux-pinctrl";
		#address-cells = <1>;
		#size-cells = <0>;
		i2c-parent = <&i2c0>;
		pinctrl-names =
			"i2c149", "i2c150", "i2c151", "i2c152", "i2c203", "idle";
		pinctrl-0 = <&i2cmux_0>;
		pinctrl-1 = <&i2cmux_1>;
		pinctrl-2 = <&i2cmux_2>;
		pinctrl-3 = <&i2cmux_3>;
		pinctrl-4 = <&i2cmux_pins_i>; // Added by convention for PoE
		pinctrl-5 = <&i2cmux_pins_i>;
		i2c149: i2c@0 {
			reg = <0x0>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
		i2c150: i2c@1 {
			reg = <0x1>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
		i2c151: i2c@2 {
			reg = <0x2>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
		i2c152: i2c@3 {
			reg = <0x3>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
		i2c203: i2c@4 {
			reg = <0x4>;
			#address-cells = <1>;
			#size-cells = <0>;
		};
	};
};

&gpio {
	synce_builtin_pins: synce-builtin-pins {
		// GPIO 49 == SI_nCS13
		pins = "GPIO_49";
		function = "si";
	};
	cpld_pins: cpld-pins {
		// GPIO 50 == SI_nCS14
		pins = "GPIO_50";
		function = "si";
	};
	cpld_fifo_pins: synce-builtin-pins {
		// GPIO 51 == SI_nCS15
		pins = "GPIO_51";
		function = "si";
	};
};

&gpio {
	i2cmux_pins_i: i2cmux-pins {
		pins = "GPIO_17", "GPIO_18";
		function = "twi_scl_m";
		output-low;
	};
	i2cmux_0: i2cmux-0-pins {
		pins = "GPIO_17";
		function = "twi_scl_m";
		output-high;
	};
	i2cmux_1: i2cmux-1-pins {
		pins = "GPIO_18";
		function = "twi_scl_m";
		output-high;
	};
	i2cmux_2: i2cmux-2-pins {
		pins = "GPIO_20";
		function = "twi_scl_m";
		output-high;
	};
	i2cmux_3: i2cmux-3-pins {
		pins = "GPIO_21";
		function = "twi_scl_m";
		output-high;
	};
};