ASoC: dt-bindings: Add NeoFidelity NTP8835

Add dt-bindings for NeoFidelity NTP8835C/NTP8835C Amplifiers

Signed-off-by: Igor Prusov <[e-mail]>
Reviewed-by: Rob Herring (Arm) <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

Documentation/devicetree/bindings/sound/neofidelity,ntp8835.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/neofidelity,ntp8835.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NeoFidelity NTP8835/NTP8835C Amplifiers
+
+maintainers:
+  - Igor Prusov <[e-mail]>
+
+description: |
+  The NTP8835 is a single chip full digital audio amplifier
+  including power stages for stereo amplifier systems.
+  NTP8835 is integrated with versatile digital audio signal
+  processing functions, high-performance, high-fidelity fully
+  digital PWM modulator and two high-power full-bridge MOSFET
+  power stages. NTP8835C has identical programming interface,
+  but has different output signal characteristics.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    enum:
+      - neofidelity,ntp8835
+      - neofidelity,ntp8835c
+
+  reg:
+    enum:
+      - 0x2a
+      - 0x2b
+      - 0x2c
+      - 0x2d
+
+  reset-gpios:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 0
+
+  clocks:
+    maxItems: 4
+
+  clock-names:
+    items:
+      - const: wck
+      - const: bck
+      - const: scl
+      - const: mclk
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+   #include <dt-bindings/gpio/gpio.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      audio-codec@2b {
+        compatible = "neofidelity,ntp8835";
+        #sound-dai-cells = <0>;
+        reg = <0x2b>;
+        reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
+        clocks = <&clkc 551>, <&clkc 552>, <&clkc 553>, <&clkc 554>;
+        clock-names = "wck", "bck", "scl", "mclk";
+      };
+    };