[Patch v2 2/2] ASoC: dt-bindings: lpc32xx: Add lpc32xx i2s DT binding

[Piotr Wojtaszczyk]

Add nxp,lpc3220-i2s DT binding documentation.

Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk at timesys.com>
---
Changes for v2:
- Added maintainers field
- Dropped clock-names
- Dropped unused unneded interrupts field

 .../bindings/sound/nxp,lpc3220-i2s.yaml       | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml

diff --git a/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml
new file mode 100644
index 000000000000..66e48d8a5a1b
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nxp,lpc3220-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC32XX I2S Controller
+
+description:
+  The I2S controller in LPC32XX SoCs to interface codecs and other audo devices.
+
+maintainers:
+  - Piotr Wojtaszczyk <piotr.wojtaszczyk at timesys.com>
+
+properties:
+  compatible:
+    enum:
+      - nxp,lpc3220-i2s
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: input clock of the peripheral.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/lpc32xx-clock.h>
+
+    i2s0: i2s at 20094000 {
+      compatible = "nxp,lpc3220-i2s";
+      reg = <0x20094000 0x1000>;
+      clocks = <&clk LPC32XX_CLK_I2S0>;
+      clock-names = "i2s_clk";
+      status = "disabled";
+    };
+
+...
-- 
2.25.1