0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2020 Microsemi Corporation
0004 */
0005
0006 #include "serval.dtsi"
0007
0008 / {
0009 aliases {
0010 serial0 = &uart0;
0011 i2c104 = &i2c104;
0012 i2c105 = &i2c105;
0013 i2c106 = &i2c106;
0014 i2c107 = &i2c107;
0015 i2c108 = &i2c108;
0016 i2c109 = &i2c109;
0017 };
0018
0019 chosen {
0020 stdout-path = "serial0:115200n8";
0021 };
0022
0023 i2c0_imux: i2c0-imux{
0024 compatible = "i2c-mux-pinctrl";
0025 #address-cells = <1>;
0026 #size-cells = <0>;
0027 i2c-parent = <&i2c0>;
0028 pinctrl-names =
0029 "i2c104", "i2c105", "i2c106", "i2c107",
0030 "i2c108", "i2c109", "idle";
0031 pinctrl-0 = <&i2cmux_0>;
0032 pinctrl-1 = <&i2cmux_1>;
0033 pinctrl-2 = <&i2cmux_2>;
0034 pinctrl-3 = <&i2cmux_3>;
0035 pinctrl-4 = <&i2cmux_4>;
0036 pinctrl-5 = <&i2cmux_5>;
0037 pinctrl-6 = <&i2cmux_pins_i>;
0038 i2c104: i2c_sfp0@0 {
0039 reg = <0>;
0040 #address-cells = <1>;
0041 #size-cells = <0>;
0042 };
0043 i2c105: i2c_sfp1@1 {
0044 reg = <1>;
0045 #address-cells = <1>;
0046 #size-cells = <0>;
0047 };
0048 i2c106: i2c_sfp2@2 {
0049 reg = <2>;
0050 #address-cells = <1>;
0051 #size-cells = <0>;
0052 };
0053 i2c107: i2c_sfp3@3 {
0054 reg = <3>;
0055 #address-cells = <1>;
0056 #size-cells = <0>;
0057 };
0058 i2c108: i2c_sfp4@4 {
0059 reg = <4>;
0060 #address-cells = <1>;
0061 #size-cells = <0>;
0062 };
0063 i2c109: i2c_sfp5@5 {
0064 reg = <5>;
0065 #address-cells = <1>;
0066 #size-cells = <0>;
0067 };
0068 };
0069
0070 };
0071
0072 &uart0 {
0073 status = "okay";
0074 };
0075
0076 &uart2 {
0077 status = "okay";
0078 };
0079
0080 &gpio {
0081 i2c_pins: i2c-pins {
0082 pins = "GPIO_7"; /* No "default" scl for i2c0 */
0083 function = "twi";
0084 };
0085 i2cmux_pins_i: i2cmux-pins {
0086 pins = "GPIO_11", "GPIO_12", "GPIO_18", "GPIO_19",
0087 "GPIO_20", "GPIO_21";
0088 function = "twi_scl_m";
0089 output-low;
0090 };
0091 i2cmux_0: i2cmux-0-pins {
0092 pins = "GPIO_11";
0093 function = "twi_scl_m";
0094 output-high;
0095 };
0096 i2cmux_1: i2cmux-1-pins {
0097 pins = "GPIO_12";
0098 function = "twi_scl_m";
0099 output-high;
0100 };
0101 i2cmux_2: i2cmux-2-pins {
0102 pins = "GPIO_18";
0103 function = "twi_scl_m";
0104 output-high;
0105 };
0106 i2cmux_3: i2cmux-3-pins {
0107 pins = "GPIO_19";
0108 function = "twi_scl_m";
0109 output-high;
0110 };
0111 i2cmux_4: i2cmux-4-pins {
0112 pins = "GPIO_20";
0113 function = "twi_scl_m";
0114 output-high;
0115 };
0116 i2cmux_5: i2cmux-5-pins {
0117 pins = "GPIO_21";
0118 function = "twi_scl_m";
0119 output-high;
0120 };
0121 };
0122
0123 &i2c0 {
0124 status = "okay";
0125 i2c-sda-hold-time-ns = <300>;
0126 };
0127
