| Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/nxp,lpc3220-i2s.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NXP LPC32XX I2S Controller |
| 8 | |
| 9 | description: |
| 10 | The I2S controller in LPC32XX SoCs, ASoC DAI. |
| 11 | |
| 12 | maintainers: |
| 13 | - J.M.B. Downing <jonathan.downing@nautel.com> |
| 14 | - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com> |
| 15 | |
| 16 | allOf: |
| 17 | - $ref: dai-common.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - nxp,lpc3220-i2s |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | interrupts: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | clocks: |
| 31 | items: |
| 32 | - description: input clock of the peripheral. |
| 33 | |
| 34 | dmas: |
| 35 | items: |
| 36 | - description: RX DMA Channel |
| 37 | - description: TX DMA Channel |
| 38 | |
| 39 | dma-names: |
| 40 | items: |
| 41 | - const: rx |
| 42 | - const: tx |
| 43 | |
| 44 | "#sound-dai-cells": |
| 45 | const: 0 |
| 46 | |
| 47 | required: |
| 48 | - compatible |
| 49 | - reg |
| 50 | - interrupts |
| 51 | - clocks |
| 52 | - dmas |
| 53 | - dma-names |
| 54 | - '#sound-dai-cells' |
| 55 | |
| 56 | additionalProperties: false |
| 57 | |
| 58 | examples: |
| 59 | - | |
| 60 | #include <dt-bindings/clock/lpc32xx-clock.h> |
| 61 | #include <dt-bindings/interrupt-controller/irq.h> |
| 62 | |
| 63 | i2s@20094000 { |
| 64 | compatible = "nxp,lpc3220-i2s"; |
| 65 | reg = <0x20094000 0x1000>; |
| 66 | interrupts = <22 IRQ_TYPE_LEVEL_HIGH>; |
| 67 | clocks = <&clk LPC32XX_CLK_I2S0>; |
| 68 | dmas = <&dma 0 1>, <&dma 13 1>; |
| 69 | dma-names = "rx", "tx"; |
| 70 | #sound-dai-cells = <0>; |
| 71 | }; |
| 72 | |
| 73 | ... |