xref: /linux/arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e) 
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 = "imx8mm-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 = <&reg_1p8v>;
74	status = "okay";
75};
76
77&i2c3 {
78	status = "okay";
79};
80
81&gpio_expander_21 {
82	status = "okay";
83};
84
85/* Verdin I2C_1 */
86&i2c4 {
87	status = "okay";
88
89	/* Audio Codec */
90	nau8822_1a: audio-codec@1a {
91		compatible = "nuvoton,nau8822";
92		reg = <0x1a>;
93		#sound-dai-cells = <0>;
94	};
95};
96
97/* Verdin PCIE_1 */
98&pcie0 {
99	status = "okay";
100};
101
102&pcie_phy {
103	status = "okay";
104};
105
106/* Verdin PWM_3_DSI */
107&pwm1 {
108	status = "okay";
109};
110
111/* Verdin PWM_1 */
112&pwm2 {
113	status = "okay";
114};
115
116/* Verdin PWM_2 */
117&pwm3 {
118	status = "okay";
119};
120
121/* Verdin I2S_1 */
122&sai2 {
123	status = "okay";
124};
125
126/* Verdin UART_3 */
127&uart1 {
128	status = "okay";
129};
130
131/* Verdin UART_1, connector X50 through RS485 transceiver */
132&uart2 {
133	linux,rs485-enabled-at-boot-time;
134	rs485-rts-active-low;
135	rs485-rx-during-tx;
136	status = "okay";
137};
138
139/* Verdin UART_2 */
140&uart3 {
141	status = "okay";
142};
143
144/* Verdin USB_1 */
145&usbotg1 {
146	disable-over-current;
147	status = "okay";
148};
149
150/* Verdin USB_2 */
151&usbotg2 {
152	disable-over-current;
153	status = "okay";
154};
155
156/* Limit frequency on dev board due to long traces and bad signal integrity */
157&usdhc2 {
158	max-frequency = <100000000>;
159	status = "okay";
160};
161