Add Loongson I2S controller binding with DT schema format using
json-schema.
Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
.../bindings/sound/loongson,ls2k-i2s.yaml | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/loongson,ls2k-i2s.yaml
diff --git a/Documentation/devicetree/bindings/sound/loongson,ls2k-i2s.yaml b/Documentation/devicetree/bindings/sound/loongson,ls2k-i2s.yaml
new file mode 100644
index 000000000000..a2e3bbe00dab
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/loongson,ls2k-i2s.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/loongson,ls2k-i2s.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-2K I2S controller
+
+maintainers:
+ - Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ const: loongson,ls2k1000-i2s
+
+ reg:
+ maxItems: 2
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ '#sound-dai-cells':
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - dmas
+ - dma-names
+ - '#sound-dai-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/loongson,ls2k-clk.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2s@1fe2d000 {
+ compatible = "loongson,ls2k1000-i2s";
+ reg = <0x1fe2d000 0x14>,
+ <0x1fe00438 0x8>;
+ interrupt-parent = <&liointc0>;
+ interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk LOONGSON2_APB_CLK>;
+ dmas = <&apbdma2 0>, <&apbdma3 0>;
+ dma-names = "tx", "rx";
+ #sound-dai-cells = <0>;
+ };
+...
--
2.43.5
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