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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/snps,designware-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: DesignWare I2S controller
+
+maintainers:
+ - Jose Abreu <joabreu@synopsys.com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: canaan,k210-i2s
+ - const: snps,designware-i2s
+ - enum:
+ - snps,designware-i2s
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description: |
+ The interrupt line number for the I2S controller. Add this
+ parameter if the I2S controller that you are using does not
+ support DMA.
+ maxItems: 1
+
+ clocks:
+ description: Sampling rate reference clock
+ maxItems: 1
+
+ clock-names:
+ const: i2sclk
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ items:
+ - description: TX DMA Channel
+ - description: RX DMA Channel
+ minItems: 1
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+ minItems: 1
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: canaan,k210-i2s
+
+then:
+ properties:
+ "#sound-dai-cells":
+ const: 1
+
+else:
+ properties:
+ "#sound-dai-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+oneOf:
+ - required:
+ - dmas
+ - dma-names
+ - required:
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ soc_i2s: i2s@7ff90000 {
+ compatible = "snps,designware-i2s";
+ reg = <0x7ff90000 0x1000>;
+ clocks = <&scpi_i2sclk 0>;
+ clock-names = "i2sclk";
+ #sound-dai-cells = <0>;
+ dmas = <&dma0 5>;
+ dma-names = "tx";
+ };