| /* |
| * 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"; |
| }; |