1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /*
3 * Copyright 2022 Toradex
4 */
5
6 / {
7 sound_card: sound-card {
8 compatible = "simple-audio-card";
9 simple-audio-card,bitclock-master = <&dailink_master>;
10 simple-audio-card,format = "i2s";
11 simple-audio-card,frame-master = <&dailink_master>;
12 simple-audio-card,mclk-fs = <256>;
13 simple-audio-card,name = "verdin-nau8822";
14 simple-audio-card,routing =
15 "Headphones", "LHP",
16 "Headphones", "RHP",
17 "Speaker", "LSPK",
18 "Speaker", "RSPK",
19 "Line Out", "AUXOUT1",
20 "Line Out", "AUXOUT2",
21 "LAUX", "Line In",
22 "RAUX", "Line In",
23 "LMICP", "Mic In",
24 "RMICP", "Mic In";
25 simple-audio-card,widgets =
26 "Headphones", "Headphones",
27 "Line Out", "Line Out",
28 "Speaker", "Speaker",
29 "Microphone", "Mic In",
30 "Line", "Line In";
31
32 dailink_master: simple-audio-card,codec {
33 clocks = <&clk IMX8MM_CLK_SAI2_ROOT>;
34 sound-dai = <&nau8822_1a>;
35 };
36
37 simple-audio-card,cpu {
38 sound-dai = <&sai2>;
39 };
40 };
41 };
42
43 /* Verdin SPI_1 */
44 &ecspi2 {
45 status = "okay";
46 };
47
48 /* EEPROM on display adapter boards */
49 &eeprom_display_adapter {
50 status = "okay";
51 };
52
53 /* EEPROM on Verdin Development board */
54 &eeprom_carrier_board {
55 status = "okay";
56 };
57
58 &fec1 {
59 status = "okay";
60 };
61
62 /* Verdin QSPI_1 */
63 &flexspi {
64 status = "okay";
65 };
66
67 /* Current measurement into module VCC */
68 &hwmon {
69 status = "okay";
70 };
71
72 &hwmon_temp {
73 vs-supply = <®_1p8v>;
74 status = "okay";
75 };
76
77 &i2c3 {
78 status = "okay";
79 };
80
81 &gpio5 {
82 pinctrl-names = "default";
83 pinctrl-0 = <&pinctrl_ctrl_sleep_moci>;
84 };
85
86 &gpio_expander_21 {
87 status = "okay";
88 };
89
90 /* Verdin I2C_1 */
91 &i2c4 {
92 status = "okay";
93
94 /* Audio Codec */
95 nau8822_1a: audio-codec@1a {
96 compatible = "nuvoton,nau8822";
97 reg = <0x1a>;
98 #sound-dai-cells = <0>;
99 };
100 };
101
102 /* Verdin PCIE_1 */
103 &pcie0 {
104 status = "okay";
105 };
106
107 &pcie_phy {
108 status = "okay";
109 };
110
111 /* Verdin PWM_3_DSI */
112 &pwm1 {
113 status = "okay";
114 };
115
116 /* Verdin PWM_1 */
117 &pwm2 {
118 status = "okay";
119 };
120
121 /* Verdin PWM_2 */
122 &pwm3 {
123 status = "okay";
124 };
125
126 /* Verdin I2S_1 */
127 &sai2 {
128 status = "okay";
129 };
130
131 /* Verdin UART_3 */
132 &uart1 {
133 status = "okay";
134 };
135
136 /* Verdin UART_1, connector X50 through RS485 transceiver */
137 &uart2 {
138 linux,rs485-enabled-at-boot-time;
139 rs485-rts-active-low;
140 rs485-rx-during-tx;
141 status = "okay";
142 };
143
144 /* Verdin UART_2 */
145 &uart3 {
146 status = "okay";
147 };
148
149 /* Verdin USB_1 */
150 &usbotg1 {
151 disable-over-current;
152 status = "okay";
153 };
154
155 /* Verdin USB_2 */
156 &usbotg2 {
157 disable-over-current;
158 status = "okay";
159 };
160
161 /* Limit frequency on dev board due to long traces and bad signal integrity */
162 &usdhc2 {
163 max-frequency = <100000000>;
164 status = "okay";
165 };
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