| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [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/renesas,idt821034.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas IDT821034 codec device |
| 8 | |
| 9 | maintainers: |
| 10 | - Herve Codina <herve.codina@bootlin.com> |
| 11 | |
| 12 | description: | |
| 13 | The IDT821034 codec is a four channel PCM codec with onchip filters and |
| 14 | programmable gain setting. |
| 15 | |
| 16 | The time-slots used by the codec must be set and so, the properties |
| 17 | 'dai-tdm-slot-num', 'dai-tdm-slot-width', 'dai-tdm-slot-tx-mask' and |
| 18 | 'dai-tdm-slot-rx-mask' must be present in the ALSA sound card node for |
| 19 | sub-nodes that involve the codec. The codec uses one 8bit time-slot per |
| 20 | channel. |
| 21 | 'dai-tdm-tdm-slot-with' must be set to 8. |
| 22 | |
| 23 | The IDT821034 codec also supports 5 gpios (SLIC signals) per channel. |
| 24 | |
| 25 | allOf: |
| 26 | - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| 27 | - $ref: dai-common.yaml# |
| 28 | |
| 29 | properties: |
| 30 | compatible: |
| 31 | const: renesas,idt821034 |
| 32 | |
| 33 | reg: |
| 34 | description: |
| 35 | SPI device address. |
| 36 | maxItems: 1 |
| 37 | |
| 38 | spi-max-frequency: |
| 39 | maximum: 8192000 |
| 40 | |
| 41 | spi-cpha: true |
| 42 | |
| 43 | '#sound-dai-cells': |
| 44 | const: 0 |
| 45 | |
| 46 | '#gpio-cells': |
| 47 | const: 2 |
| 48 | |
| 49 | gpio-controller: true |
| 50 | |
| 51 | required: |
| 52 | - compatible |
| 53 | - reg |
| 54 | - spi-cpha |
| 55 | - '#sound-dai-cells' |
| 56 | - gpio-controller |
| 57 | - '#gpio-cells' |
| 58 | |
| 59 | unevaluatedProperties: false |
| 60 | |
| 61 | examples: |
| 62 | - | |
| 63 | spi { |
| 64 | #address-cells = <1>; |
| 65 | #size-cells = <0>; |
| 66 | audio-codec@0 { |
| 67 | compatible = "renesas,idt821034"; |
| 68 | reg = <0>; |
| 69 | spi-max-frequency = <8192000>; |
| 70 | spi-cpha; |
| 71 | #sound-dai-cells = <0>; |
| 72 | gpio-controller; |
| 73 | #gpio-cells = <2>; |
| 74 | }; |
| 75 | }; |