MLK-24845: arm64: dts: imx8mn-ddr3l: Add ak5558 and LPA support

Add ak5558 and LPA support, these dts are derived from
imx8mn-evk-ak5558.dts and imx8mn-evk-rpmsg.dts

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>

3 files changed, 167 insertions, 1 deletions

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 6f4b837f3455..d7949b5156c3 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -60,7 +60,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-ab2.dtb imx8mm-ab2-m4.dtb imx8mm-ddr4-ab2.dtb i
 			  imx8mm-ddr4-ab2-revb.dtb imx8mm-ddr4-ab2-m4-revb.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb imx8mn-evk-rm67191.dtb imx8mn-ddr4-evk.dtb imx8mn-ddr4-evk-ak5558.dtb \
 			  imx8mn-ddr4-evk-rm67191.dtb imx8mn-ddr4-evk-rpmsg.dtb imx8mn-ddr4-evk-usd-wifi.dtb \
-			  imx8mn-evk-ak5558.dtb imx8mn-evk-rpmsg.dtb imx8mn-evk-8mic-revE.dtb imx8mn-ddr3l-evk.dtb
+			  imx8mn-evk-ak5558.dtb imx8mn-evk-rpmsg.dtb imx8mn-evk-8mic-revE.dtb imx8mn-ddr3l-evk.dtb \
+			  imx8mn-ddr3l-evk-ak5558.dtb imx8mn-ddr3l-evk-rpmsg.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk-root.dtb imx8mn-ddr4-evk-inmate.dtb imx8mn-evk-root.dtb imx8mn-evk-inmate.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-ab2.dtb imx8mn-ddr4-ab2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb imx8mp-evk-root.dtb imx8mp-evk-inmate.dtb imx8mp-evk-rpmsg.dtb \
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-ak5558.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-ak5558.dts
new file mode 100644
index 000000000000..0bac38fff084
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-ak5558.dts
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 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 "imx8mn-ddr3l-evk.dts"
+
+/ {
+	sound-wm8524 {
+		asrc-controller = <0>;
+	};
+	sound-ak5558 {
+		asrc-controller = <&easrc>;
+		status = "okay";
+	};
+	sound-micfil {
+		status = "disabled";
+	};
+};
+
+&micfil {
+	status = "disabled";
+};
+
+&sai5 {
+	status = "okay";
+};
+
+&ak5558 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-rpmsg.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-rpmsg.dts
new file mode 100644
index 000000000000..b3c1af0c76e4
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk-rpmsg.dts
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2020 NXP
+ */
+
+#include "imx8mn-ddr3l-evk.dts"
+
+/ {
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		m_core_reserved: m_core@0x80000000 {
+			no-map;
+			reg = <0 0x80000000 0 0x1000000>;
+		};
+
+		vdev0vring0: vdev0vring0@b8000000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0xb8000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@b8008000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0xb8008000 0 0x8000>;
+			no-map;
+		};
+		vdevbuffer: vdevbuffer@b8400000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0xb8400000 0 0x100000>;
+			no-map;
+		};
+	};
+
+	sound-wm8524 {
+		status = "disabled";
+	};
+
+	wm8524: wm8524{
+		status = "disabled";
+	};
+
+	rpmsg_i2s: rpmsg-i2s {
+		compatible = "fsl,imx8mn-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 = "wm8524-audio";
+		cpu-dai = <&rpmsg_i2s>;
+		rpmsg-out;
+	};
+
+	imx8mn-cm7 {
+		compatible = "fsl,imx8mn-cm7";
+		rsc-da = <0xb8000000>;
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&mu 0 1
+			  &mu 1 1
+			  &mu 3 1>;
+		memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>;
+		status = "okay";
+	};
+};
+
+&clk {
+	init-on-array = <
+	IMX8MN_CLK_UART4_ROOT
+	>;
+};
+
+/*
+ * ATTENTION: M core may use IPs like below
+ * ECSPI2, GPIO1/GPIO5, GPT1, I2C3, I2S3, UART4, PWM3, SDMA1/3 and PDM
+ */
+
+&ecspi2 {
+	status = "disabled";
+};
+
+&flexspi {
+	status = "disabled";
+};
+
+&i2c3 {
+	status = "disabled";
+};
+
+&pwm3 {
+	status = "disabled";
+};
+
+&rpmsg{
+	/*
+	 * 64K for one rpmsg instance:
+	 * --0xb8000000~0xb800ffff: pingpong
+	 */
+	vdev-nums = <1>;
+	reg = <0x0 0xb8000000 0x0 0x10000>;
+	memory-region = <&vdevbuffer>;
+	status = "disabled";
+};
+
+&sai3 {
+	status = "disabled";
+};
+
+&uart4 {
+	status = "disabled";
+};
+
+&sdma1{
+	status = "disabled";
+};
+
+&sdma3 {
+	status = "disabled";
+};