arm64: dts: imx8mp: Add easrc node

The i.MX8MP has an asynchronous sample rate converter which seems
to be the same as what is available on the i.MX8M Nano.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp.dtsi

@@ -1453,6 +1453,26 @@ sai7: sai@30c80000 {
 					interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
 					status = "disabled";
 				};
+
+				easrc: easrc@30c90000 {
+					compatible = "fsl,imx8mp-easrc", "fsl,imx8mn-easrc";
+					reg = <0x30c90000 0x10000>;
+					interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_ASRC_IPG>;
+					clock-names = "mem";
+					dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>,
+					       <&sdma2 18 23 0> , <&sdma2 19 23 0>,
+					       <&sdma2 20 23 0> , <&sdma2 21 23 0>,
+					       <&sdma2 22 23 0> , <&sdma2 23 23 0>;
+					dma-names = "ctx0_rx", "ctx0_tx",
+						    "ctx1_rx", "ctx1_tx",
+						    "ctx2_rx", "ctx2_tx",
+						    "ctx3_rx", "ctx3_tx";
+					firmware-name = "imx/easrc/easrc-imx8mn.bin";
+					fsl,asrc-rate = <8000>;
+					fsl,asrc-format = <2>;
+					status = "disabled";
+				};
 			};
 
 			sdma3: dma-controller@30e00000 {