dts: bindings: clock: add nordic,nrfs-audiopll

Introduce Nordic NRFS AudioPLL bindings.

Signed-off-by: Bjarki Arge Andreasen <[email protected]>

Author: bjarki-andreasen

dts/bindings/clock/nordic,nrfs-audiopll.yaml

@@ -0,0 +1,18 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+description: Nordic NRFS AudioPLL clock
+
+compatible: "nordic,nrfs-audiopll"
+
+include: base.yaml
+
+properties:
+  frequency:
+    type: int
+    required: true
+    description: |
+      Initial frequency in Hertz.
+
+      See zephyr/include/zephyr/dt-bindings/nrfs_audiopll.h for
+      predefined frequencies.

include/zephyr/dt-bindings/clock/nrfs-audiopll.h

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_NRFS_AUDIOPLL_H_
+#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_NRFS_AUDIOPLL_H_
+
+#define NRFS_AUDIOPLL_FREQ_MIN        10666707
+#define NRFS_AUDIOPLL_FREQ_AUDIO_44K1 11289591
+#define NRFS_AUDIOPLL_FREQ_AUDIO_48K  12287963
+#define NRFS_AUDIOPLL_FREQ_MAX        13333292
+
+#endif /* #define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_NRFS_AUDIOPLL_H_ */