arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi

   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 };