imx8mm-verdin-dev.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
    2 /*
    3  * Copyright 2022 Toradex
    4  */
    5 
    6 #include "imx8mm-verdin-dahlia.dtsi"
    7 
    8 / {
    9         sound_card: sound-card {
   10                 compatible = "simple-audio-card";
   11                 simple-audio-card,bitclock-master = <&dailink_master>;
   12                 simple-audio-card,format = "i2s";
   13                 simple-audio-card,frame-master = <&dailink_master>;
   14                 simple-audio-card,name = "imx8mm-nau8822";
   15                 simple-audio-card,routing =
   16                         "Headphones", "LHP",
   17                         "Headphones", "RHP",
   18                         "Speaker", "LSPK",
   19                         "Speaker", "RSPK",
   20                         "Line Out", "AUXOUT1",
   21                         "Line Out", "AUXOUT2",
   22                         "LAUX", "Line In",
   23                         "RAUX", "Line In",
   24                         "LMICP", "Mic In",
   25                         "RMICP", "Mic In";
   26                 simple-audio-card,widgets =
   27                         "Headphones", "Headphones",
   28                         "Line Out", "Line Out",
   29                         "Speaker", "Speaker",
   30                         "Microphone", "Mic In",
   31                         "Line", "Line In";
   32 
   33                 dailink_master: simple-audio-card,codec {
   34                         clocks = <&clk IMX8MM_CLK_SAI2_ROOT>;
   35                         sound-dai = <&nau8822_1a>;
   36                 };
   37 
   38                 simple-audio-card,cpu {
   39                         sound-dai = <&sai2>;
   40                 };
   41         };
   42 };
   43 
   44 &gpio_expander_21 {
   45         status = "okay";
   46 };
   47 
   48 /* Verdin I2C_1 */
   49 &i2c4 {
   50         /* Audio Codec */
   51         nau8822_1a: audio-codec@1a {
   52                 compatible = "nuvoton,nau8822";
   53                 reg = <0x1a>;
   54         };
   55 };
   56 
   57 /* Verdin UART_1, connector X50 through RS485 transceiver */
   58 &uart2 {
   59         linux,rs485-enabled-at-boot-time;
   60         rs485-rts-active-low;
   61         rs485-rx-during-tx;
   62 };
   63 
   64 /* Limit frequency on dev board due to long traces and bad signal integrity */
   65 &usdhc2 {
   66         max-frequency = <100000000>;
   67 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm64/freescale/imx8mm-verdin-dev.dtsi

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm64/freescale/imx8mm-verdin-dev.dtsi