| # 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. |
| |
| dmas: |
| items: |
| - description: RX DMA Channel |
| - description: TX DMA Channel |
| |
| dma-names: |
| items: |
| - const: rx |
| - const: tx |
| |
| "#sound-dai-cells": |
| const: 0 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - dmas |
| - dma-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>; |
| dmas = <&dma 0 1>, <&dma 13 1>; |
| dma-names = "rx", "tx"; |
| #sound-dai-cells = <0>; |
| }; |
| |
| ... |