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arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-m4.dts
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81f7e3824 Initial Release, ... |
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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"; }; |