0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003 * Copyright (c) 2018 Microsemi Corporation
0004 */
0005
0006 /dts-v1/;
0007 #include "jaguar2_common.dtsi"
0008
0009 / {
0010 model = "Jaguar2 Cu48 PCB111 Reference Board";
0011 compatible = "mscc,jr2-pcb111", "mscc,jr2";
0012
0013 aliases {
0014 i2c0 = &i2c0;
0015 i2c149 = &i2c149;
0016 i2c150 = &i2c150;
0017 i2c151 = &i2c151;
0018 i2c152 = &i2c152;
0019 i2c203 = &i2c203;
0020 };
0021
0022 i2c0_imux: i2c0-imux {
0023 compatible = "i2c-mux-pinctrl";
0024 #address-cells = <1>;
0025 #size-cells = <0>;
0026 i2c-parent = <&i2c0>;
0027 pinctrl-names =
0028 "i2c149", "i2c150", "i2c151", "i2c152", "i2c203", "idle";
0029 pinctrl-0 = <&i2cmux_0>;
0030 pinctrl-1 = <&i2cmux_1>;
0031 pinctrl-2 = <&i2cmux_2>;
0032 pinctrl-3 = <&i2cmux_3>;
0033 pinctrl-4 = <&i2cmux_pins_i>; // Added by convention for PoE
0034 pinctrl-5 = <&i2cmux_pins_i>;
0035 i2c149: i2c@0 {
0036 reg = <0x0>;
0037 #address-cells = <1>;
0038 #size-cells = <0>;
0039 };
0040 i2c150: i2c@1 {
0041 reg = <0x1>;
0042 #address-cells = <1>;
0043 #size-cells = <0>;
0044 };
0045 i2c151: i2c@2 {
0046 reg = <0x2>;
0047 #address-cells = <1>;
0048 #size-cells = <0>;
0049 };
0050 i2c152: i2c@3 {
0051 reg = <0x3>;
0052 #address-cells = <1>;
0053 #size-cells = <0>;
0054 };
0055 i2c203: i2c@4 {
0056 reg = <0x4>;
0057 #address-cells = <1>;
0058 #size-cells = <0>;
0059 };
0060 };
0061 };
0062
0063 &gpio {
0064 synce_builtin_pins: synce-builtin-pins {
0065 // GPIO 49 == SI_nCS13
0066 pins = "GPIO_49";
0067 function = "si";
0068 };
0069 cpld_pins: cpld-pins {
0070 // GPIO 50 == SI_nCS14
0071 pins = "GPIO_50";
0072 function = "si";
0073 };
0074 cpld_fifo_pins: synce-builtin-pins {
0075 // GPIO 51 == SI_nCS15
0076 pins = "GPIO_51";
0077 function = "si";
0078 };
0079 };
0080
0081 &gpio {
0082 i2cmux_pins_i: i2cmux-pins {
0083 pins = "GPIO_17", "GPIO_18";
0084 function = "twi_scl_m";
0085 output-low;
0086 };
0087 i2cmux_0: i2cmux-0-pins {
0088 pins = "GPIO_17";
0089 function = "twi_scl_m";
0090 output-high;
0091 };
0092 i2cmux_1: i2cmux-1-pins {
0093 pins = "GPIO_18";
0094 function = "twi_scl_m";
0095 output-high;
0096 };
0097 i2cmux_2: i2cmux-2-pins {
0098 pins = "GPIO_20";
0099 function = "twi_scl_m";
0100 output-high;
0101 };
0102 i2cmux_3: i2cmux-3-pins {
0103 pins = "GPIO_21";
0104 function = "twi_scl_m";
0105 output-high;
0106 };
0107 };
