MLK-23944 arm64: dts: enable the rpmsg and rpmsg audio on imx8mn evk board
Enable the RPMSG on iMX8MN LPDDR4 EVK platform, and verify the rpmsg audio feature. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Tested-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com>5.4-rM2-2.2.x-imx-squashed
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f801089134
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59a594e44e
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@ -56,7 +56,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb imx8mm-evk-rpmsg.dtb imx8mm-evk-rm67191
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dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk-ak4497.dtb imx8mm-evk-ak5558.dtb imx8mm-evk-audio-tdm.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb imx8mn-evk-rm67191.dtb imx8mn-ddr4-evk.dtb imx8mn-ddr4-evk-ak5558.dtb \
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imx8mn-ddr4-evk-rm67191.dtb imx8mn-ddr4-evk-rpmsg.dtb imx8mn-ddr4-evk-usd-wifi.dtb \
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imx8mn-evk-ak5558.dtb
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imx8mn-evk-ak5558.dtb imx8mn-evk-rpmsg.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk-root.dtb imx8mn-ddr4-evk-inmate.dtb
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dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb imx8mp-evk-root.dtb imx8mp-evk-inmate.dtb imx8mp-evk-rpmsg.dtb \
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imx8mp-evk-rm67191.dtb imx8mp-evk-flexcan2.dtb imx8mp-evk-it6263-lvds-dual-channel.dtb \
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@ -0,0 +1,125 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2020 NXP
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*/
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#include "imx8mn-evk.dts"
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/ {
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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m_core_reserved: m_core@0x80000000 {
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no-map;
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reg = <0 0x80000000 0 0x1000000>;
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};
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vdev0vring0: vdev0vring0@b8000000 {
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compatible = "shared-dma-pool";
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reg = <0 0xb8000000 0 0x8000>;
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no-map;
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};
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vdev0vring1: vdev0vring1@b8008000 {
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compatible = "shared-dma-pool";
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reg = <0 0xb8008000 0 0x8000>;
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no-map;
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};
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vdevbuffer: vdevbuffer@b8400000 {
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compatible = "shared-dma-pool";
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reg = <0 0xb8400000 0 0x100000>;
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no-map;
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};
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};
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sound-wm8524 {
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status = "disabled";
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};
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wm8524: wm8524{
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status = "disabled";
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};
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rpmsg_i2s: rpmsg-i2s {
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compatible = "fsl,imx8mn-rpmsg-i2s";
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/* the audio device index in m4 domain */
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fsl,audioindex = <0> ;
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fsl,dma-buffer-size = <0x6000000>;
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fsl,enable-lpa;
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status = "okay";
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};
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sound-rpmsg {
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compatible = "fsl,imx-audio-rpmsg";
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model = "wm8524-audio";
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cpu-dai = <&rpmsg_i2s>;
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rpmsg-out;
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};
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imx8mn-cm7 {
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compatible = "fsl,imx8mn-cm7";
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rsc-da = <0xb8000000>;
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mbox-names = "tx", "rx", "rxdb";
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mboxes = <&mu 0 1
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&mu 1 1
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&mu 3 1>;
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memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>;
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status = "okay";
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};
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};
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&clk {
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init-on-array = <
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IMX8MN_CLK_UART4_ROOT
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>;
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};
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/*
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* ATTENTION: M core may use IPs like below
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* ECSPI2, GPIO1/GPIO5, GPT1, I2C3, I2S3, WDOG1, UART4, PWM3, SDMA1/3 and PDM
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*/
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&ecspi2 {
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status = "disabled";
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};
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&i2c3 {
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status = "disabled";
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};
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&pwm3 {
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status = "disabled";
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};
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&rpmsg{
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/*
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* 64K for one rpmsg instance:
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* --0xb8000000~0xb800ffff: pingpong
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*/
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vdev-nums = <1>;
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reg = <0x0 0xb8000000 0x0 0x10000>;
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memory-region = <&vdevbuffer>;
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status = "disabled";
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};
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&sai3 {
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status = "disabled";
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};
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&uart4 {
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status = "disabled";
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};
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&wdog1 {
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status = "disabled";
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};
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&sdma1{
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status = "disabled";
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};
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&sdma3 {
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status = "disabled";
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};
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