fsl-imx8mm-evk-m4.dts
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/*
* Copyright 2018 NXP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "fsl-imx8mm-evk.dts"
/ {
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
m4_reserved: m4@0x80000000 {
no-map;
reg = <0 0x80000000 0 0x1000000>;
};
};
rpmsg_i2s: rpmsg-i2s {
compatible = "fsl,imx8mq-rpmsg-i2s";
/* the audio device index in m4 domain */
fsl,audioindex = <0> ;
fsl,dma-buffer-size = <0x6000000>;
fsl,enable-lpa;
status = "okay";
};
sound-rpmsg {
compatible = "fsl,imx-audio-rpmsg";
model = "ak4497-audio";
cpu-dai = <&rpmsg_i2s>;
rpmsg-out;
};
};
/*
* ATTENTION: M4 may use IPs like below
* ECSPI0/ECSPI2, GPIO1/GPIO5, GPT1, I2C3, I2S3, WDOG1, UART4, PWM3, SDMA1
*/
&i2c3 {
status = "disabled";
};
&rpmsg{
/*
* 64K for one rpmsg instance:
* --0xb8000000~0xb800ffff: pingpong
*/
vdev-nums = <1>;
reg = <0x0 0xb8000000 0x0 0x10000>;
status = "okay";
};
&sdma1{
status = "disabled";
};
&uart4 {
status = "disabled";
};
&sdma3 {
status = "disabled";
};
&sai1 {
status = "disabled";
};
&flexspi {
status = "disabled";
};