1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2018 Microsemi Corporation
4 */
5
6 /dts-v1/;
7 #include "jaguar2_common.dtsi"
8
9 / {
10 model = "Jaguar2 Cu48 PCB111 Reference Board";
11 compatible = "mscc,jr2-pcb111", "mscc,jr2";
12
13 aliases {
14 i2c0 = &i2c0;
15 i2c149 = &i2c149;
16 i2c150 = &i2c150;
17 i2c151 = &i2c151;
18 i2c152 = &i2c152;
19 i2c203 = &i2c203;
20 };
21
22 i2c0_imux: i2c0-imux {
23 compatible = "i2c-mux-pinctrl";
24 #address-cells = <1>;
25 #size-cells = <0>;
26 i2c-parent = <&i2c0>;
27 pinctrl-names =
28 "i2c149", "i2c150", "i2c151", "i2c152", "i2c203", "idle";
29 pinctrl-0 = <&i2cmux_0>;
30 pinctrl-1 = <&i2cmux_1>;
31 pinctrl-2 = <&i2cmux_2>;
32 pinctrl-3 = <&i2cmux_3>;
33 pinctrl-4 = <&i2cmux_pins_i>; // Added by convention for PoE
34 pinctrl-5 = <&i2cmux_pins_i>;
35 i2c149: i2c@0 {
36 reg = <0x0>;
37 #address-cells = <1>;
38 #size-cells = <0>;
39 };
40 i2c150: i2c@1 {
41 reg = <0x1>;
42 #address-cells = <1>;
43 #size-cells = <0>;
44 };
45 i2c151: i2c@2 {
46 reg = <0x2>;
47 #address-cells = <1>;
48 #size-cells = <0>;
49 };
50 i2c152: i2c@3 {
51 reg = <0x3>;
52 #address-cells = <1>;
53 #size-cells = <0>;
54 };
55 i2c203: i2c@4 {
56 reg = <0x4>;
57 #address-cells = <1>;
58 #size-cells = <0>;
59 };
60 };
61 };
62
63 &gpio {
64 synce_builtin_pins: synce-builtin-pins {
65 // GPIO 49 == SI_nCS13
66 pins = "GPIO_49";
67 function = "si";
68 };
69 cpld_pins: cpld-pins {
70 // GPIO 50 == SI_nCS14
71 pins = "GPIO_50";
72 function = "si";
73 };
74 cpld_fifo_pins: synce-builtin-pins {
75 // GPIO 51 == SI_nCS15
76 pins = "GPIO_51";
77 function = "si";
78 };
79 };
80
81 &gpio {
82 i2cmux_pins_i: i2cmux-pins {
83 pins = "GPIO_17", "GPIO_18";
84 function = "twi_scl_m";
85 output-low;
86 };
87 i2cmux_0: i2cmux-0-pins {
88 pins = "GPIO_17";
89 function = "twi_scl_m";
90 output-high;
91 };
92 i2cmux_1: i2cmux-1-pins {
93 pins = "GPIO_18";
94 function = "twi_scl_m";
95 output-high;
96 };
97 i2cmux_2: i2cmux-2-pins {
98 pins = "GPIO_20";
99 function = "twi_scl_m";
100 output-high;
101 };
102 i2cmux_3: i2cmux-3-pins {
103 pins = "GPIO_21";
104 function = "twi_scl_m";
105 output-high;
106 };
107 };
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