Audio System + Drivers (#562)

Drivers/dummy-i2s-amp-module/include/bindings/dummy_i2s_amp.h

@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#include <tactility/bindings/bindings.h>
+#include <drivers/dummy_i2s_amp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// One DEFINE_DEVICETREE per compatible string -- the devicetree compiler derives the
+// expected config typedef name from the compatible string's suffix (e.g. "maxim,max98357a"
+// -> max98357a_config_dt), not from a name we choose, so each supported chip needs its own
+// typedef even though they all share the same underlying config layout.
+DEFINE_DEVICETREE(max98357a, struct DummyI2sAmpConfig)
+DEFINE_DEVICETREE(ns4168, struct DummyI2sAmpConfig)
+
+#ifdef __cplusplus
+}
+#endif