intel_adsp: ace20_lnl: add ALH DAI support

Add missing definitions for ALH DAIs. Keep the same FIXME
reminder in the comments we have for ACE1.5 that explains
the background of these definitions.

Signed-off-by: Kai Vehmanen <[email protected]>
Reported-by: Pierre-Louis Bossart <[email protected]>

Author: kv2019i

dts/xtensa/intel/intel_adsp_ace20_lnl.dtsi

@@ -177,6 +177,112 @@
 			status = "okay";
 		};
 
+		/*
+		 * FIXME this is modeling individual alh channels/instances
+		 * with node labels, which has problems. A better representation
+		 * is discussed here:
+		 *
+		 * https://github.com/zephyrproject-rtos/zephyr/pull/50287#discussion_r974591009
+		 *
+		 * The hardware actually supports 16 ALH streams/FIFOs. Below description does
+		 * not fully represent hardware capabilities and is expected to be modified.
+		 */
+		alh0: alh0@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh1: alh1@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh2: alh2@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh3: alh3@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh4: alh4@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh5: alh5@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh6: alh6@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh7: alh7@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh8: alh8@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh9: alh9@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh10: alh10@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh11: alh11@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh12: alh12@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh13: alh13@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh14: alh14@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
+		alh15: alh15@24400 {
+			compatible = "intel,alh-dai";
+			reg = <0x00024400 0x00024600>;
+			status = "okay";
+		};
+
 		ssp0: ssp@28100 {
 			compatible = "intel,ssp-dai";
 			#address-cells = <1>;