1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2020 Microsemi Corporation 4 */ 5 6#include "serval.dtsi" 7 8/ { 9 aliases { 10 serial0 = &uart0; 11 i2c104 = &i2c104; 12 i2c105 = &i2c105; 13 i2c106 = &i2c106; 14 i2c107 = &i2c107; 15 i2c108 = &i2c108; 16 i2c109 = &i2c109; 17 }; 18 19 chosen { 20 stdout-path = "serial0:115200n8"; 21 }; 22 23 i2c0_imux: i2c0-imux { 24 compatible = "i2c-mux-pinctrl"; 25 #address-cells = <1>; 26 #size-cells = <0>; 27 i2c-parent = <&i2c0>; 28 pinctrl-names = 29 "i2c104", "i2c105", "i2c106", "i2c107", 30 "i2c108", "i2c109", "idle"; 31 pinctrl-0 = <&i2cmux_0>; 32 pinctrl-1 = <&i2cmux_1>; 33 pinctrl-2 = <&i2cmux_2>; 34 pinctrl-3 = <&i2cmux_3>; 35 pinctrl-4 = <&i2cmux_4>; 36 pinctrl-5 = <&i2cmux_5>; 37 pinctrl-6 = <&i2cmux_pins_i>; 38 i2c104: i2c_sfp0@0 { 39 reg = <0>; 40 #address-cells = <1>; 41 #size-cells = <0>; 42 }; 43 i2c105: i2c_sfp1@1 { 44 reg = <1>; 45 #address-cells = <1>; 46 #size-cells = <0>; 47 }; 48 i2c106: i2c_sfp2@2 { 49 reg = <2>; 50 #address-cells = <1>; 51 #size-cells = <0>; 52 }; 53 i2c107: i2c_sfp3@3 { 54 reg = <3>; 55 #address-cells = <1>; 56 #size-cells = <0>; 57 }; 58 i2c108: i2c_sfp4@4 { 59 reg = <4>; 60 #address-cells = <1>; 61 #size-cells = <0>; 62 }; 63 i2c109: i2c_sfp5@5 { 64 reg = <5>; 65 #address-cells = <1>; 66 #size-cells = <0>; 67 }; 68}; 69 70}; 71 72&uart0 { 73 status = "okay"; 74}; 75 76&uart2 { 77 status = "okay"; 78}; 79 80&gpio { 81 i2c_pins: i2c-pins { 82 pins = "GPIO_7"; /* No "default" scl for i2c0 */ 83 function = "twi"; 84 }; 85 i2cmux_pins_i: i2cmux-pins { 86 pins = "GPIO_11", "GPIO_12", "GPIO_18", "GPIO_19", 87 "GPIO_20", "GPIO_21"; 88 function = "twi_scl_m"; 89 output-low; 90 }; 91 i2cmux_0: i2cmux-0-pins { 92 pins = "GPIO_11"; 93 function = "twi_scl_m"; 94 output-high; 95 }; 96 i2cmux_1: i2cmux-1-pins { 97 pins = "GPIO_12"; 98 function = "twi_scl_m"; 99 output-high; 100 }; 101 i2cmux_2: i2cmux-2-pins { 102 pins = "GPIO_18"; 103 function = "twi_scl_m"; 104 output-high; 105 }; 106 i2cmux_3: i2cmux-3-pins { 107 pins = "GPIO_19"; 108 function = "twi_scl_m"; 109 output-high; 110 }; 111 i2cmux_4: i2cmux-4-pins { 112 pins = "GPIO_20"; 113 function = "twi_scl_m"; 114 output-high; 115 }; 116 i2cmux_5: i2cmux-5-pins { 117 pins = "GPIO_21"; 118 function = "twi_scl_m"; 119 output-high; 120 }; 121}; 122 123&i2c0 { 124 status = "okay"; 125 i2c-sda-hold-time-ns = <300>; 126}; 127 128