1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-m4.dts b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-m4.dts
new file mode 100644
index 000000000000..1f9c6676ccfb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mm-evk-m4.dts
@@ -0,0 +1,82 @@
+/*
+ * 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>;
+		};
+
+	};
+
+	sound-wm8524 {
+		status = "disabled";
+	};
+
+	wm8524: wm8524 {
+		status = "disabled";
+	};
+
+	rpmsg_i2s: rpmsg-i2s {
+		compatible = "fsl,imx8mq-rpmsg-i2s";
+		/* the audio device index in m4 domain */
+		fsl,audioindex = <0> ;
+		fsl,dma-buffer-size = <0x6000000>;
+		status = "okay";
+	};
+
+	sound-rpmsg {
+		compatible = "fsl,imx-audio-rpmsg";
+		model = "rpmsg-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";
+};
+
+&sdma1{
+	status = "disabled";
+};
+
+&uart4 {
+	status = "disabled";
+};
+
+&sai3 {
+	status = "disabled";
+};
+
+&sdma3 {
+	status = "disabled";
+};
+
+&sai1 {
+	status = "disabled";
+};