| 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/starfive,jh7110-tdm.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: StarFive JH7110 TDM Controller |
| 8 | |
| 9 | description: | |
| 10 | The TDM Controller is a Time Division Multiplexed audio interface |
| 11 | integrated in StarFive JH7110 SoC, allowing up to 8 channels of |
| 12 | audio over a serial interface. The TDM controller can operate both |
| 13 | in master and slave mode. |
| 14 | |
| 15 | maintainers: |
| 16 | - Walker Chen <walker.chen@starfivetech.com> |
| 17 | |
| 18 | allOf: |
| 19 | - $ref: dai-common.yaml# |
| 20 | |
| 21 | properties: |
| 22 | compatible: |
| 23 | enum: |
| 24 | - starfive,jh7110-tdm |
| 25 | |
| 26 | reg: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | clocks: |
| 30 | items: |
| 31 | - description: TDM AHB Clock |
| 32 | - description: TDM APB Clock |
| 33 | - description: TDM Internal Clock |
| 34 | - description: TDM Clock |
| 35 | - description: Inner MCLK |
| 36 | - description: TDM External Clock |
| 37 | |
| 38 | clock-names: |
| 39 | items: |
| 40 | - const: tdm_ahb |
| 41 | - const: tdm_apb |
| 42 | - const: tdm_internal |
| 43 | - const: tdm |
| 44 | - const: mclk_inner |
| 45 | - const: tdm_ext |
| 46 | |
| 47 | resets: |
| 48 | items: |
| 49 | - description: tdm ahb reset line |
| 50 | - description: tdm apb reset line |
| 51 | - description: tdm core reset line |
| 52 | |
| 53 | dmas: |
| 54 | items: |
| 55 | - description: RX DMA Channel |
| 56 | - description: TX DMA Channel |
| 57 | |
| 58 | dma-names: |
| 59 | items: |
| 60 | - const: rx |
| 61 | - const: tx |
| 62 | |
| 63 | "#sound-dai-cells": |
| 64 | const: 0 |
| 65 | |
| 66 | required: |
| 67 | - compatible |
| 68 | - reg |
| 69 | - clocks |
| 70 | - clock-names |
| 71 | - resets |
| 72 | - dmas |
| 73 | - dma-names |
| 74 | - "#sound-dai-cells" |
| 75 | |
| 76 | additionalProperties: false |
| 77 | |
| 78 | examples: |
| 79 | - | |
| 80 | tdm@10090000 { |
| 81 | compatible = "starfive,jh7110-tdm"; |
| 82 | reg = <0x10090000 0x1000>; |
| 83 | clocks = <&syscrg 184>, |
| 84 | <&syscrg 185>, |
| 85 | <&syscrg 186>, |
| 86 | <&syscrg 187>, |
| 87 | <&syscrg 17>, |
| 88 | <&tdm_ext>; |
| 89 | clock-names = "tdm_ahb", "tdm_apb", |
| 90 | "tdm_internal", "tdm", |
| 91 | "mclk_inner", "tdm_ext"; |
| 92 | resets = <&syscrg 105>, |
| 93 | <&syscrg 107>, |
| 94 | <&syscrg 106>; |
| 95 | dmas = <&dma 20>, <&dma 21>; |
| 96 | dma-names = "rx","tx"; |
| 97 | #sound-dai-cells = <0>; |
| 98 | }; |