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+# 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, ASoC DAI.
+
+maintainers:
+ - J.M.B. Downing <jonathan.downing@nautel.com>
+ - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - nxp,lpc3220-i2s
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: input clock of the peripheral.
+
+ dma-vc-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ description: |
+ names of virtual pl08x dma channels for tx and rx
+ directions in this order.
+ minItems: 2
+ maxItems: 2
+
+ "#sound-dai-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - dma-vc-names
+ - '#sound-dai-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/lpc32xx-clock.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2s@20094000 {
+ compatible = "nxp,lpc3220-i2s";
+ reg = <0x20094000 0x1000>;
+ interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk LPC32XX_CLK_I2S0>;
+ dma-vc-names = "i2s0-tx", "i2s0-rx";
+ #sound-dai-cells = <0>;
+ };
+
+...
Add nxp,lpc3220-i2s DT binding documentation. Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com> --- Changes for v3: - Added '$ref: dai-common.yaml#' and '#sound-dai-cells' - Dropped all clock-names, references - Dropped status property from the example - Added interrupts property - 'make dt_binding_check' pass Changes for v2: - Added maintainers field - Dropped clock-names - Dropped unused unneded interrupts field .../bindings/sound/nxp,lpc3220-i2s.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml