arm64: dts: imx8mp: Add AUD2HTX device node

The AUD2HTX is a digital module that provides a bridge between
the Audio Subsystem and the HDMI RTX Subsystem. This
module includes intermediate storage to queue SDMA transactions
prior to being synchronized and passed to the HDMI
RTX Subsystem over the Audio Link.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

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

@@ -1530,6 +1530,16 @@ micfil: audio-controller@30ca0000 {
 					status = "disabled";
 				};
 
+				aud2htx: aud2htx@30cb0000 {
+					compatible = "fsl,imx8mp-aud2htx";
+					reg = <0x30cb0000 0x10000>;
+					interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_AUD2HTX_IPG>;
+					clock-names = "bus";
+					dmas = <&sdma2 26 2 0>;
+					dma-names = "tx";
+					status = "disabled";
+				};
 			};
 
 			sdma3: dma-controller@30e00000 {