| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-i2s.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A10 I2S Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Chen-Yu Tsai <wens@csie.org> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 12 | |
| 13 | properties: |
| 14 | "#sound-dai-cells": |
| 15 | const: 0 |
| 16 | |
| 17 | compatible: |
| 18 | oneOf: |
| 19 | - const: allwinner,sun4i-a10-i2s |
| 20 | - const: allwinner,sun6i-a31-i2s |
| 21 | - const: allwinner,sun8i-a83t-i2s |
| 22 | - const: allwinner,sun8i-h3-i2s |
| 23 | - items: |
| 24 | - const: allwinner,sun8i-r40-i2s |
| 25 | - const: allwinner,sun8i-h3-i2s |
| 26 | - items: |
| 27 | - const: allwinner,sun8i-v3-i2s |
| 28 | - const: allwinner,sun8i-h3-i2s |
| 29 | - const: allwinner,sun50i-a64-codec-i2s |
| 30 | - items: |
| 31 | - const: allwinner,sun50i-a64-i2s |
| 32 | - const: allwinner,sun8i-h3-i2s |
| 33 | - const: allwinner,sun50i-h6-i2s |
| 34 | - const: allwinner,sun50i-r329-i2s |
| 35 | - items: |
| 36 | - const: allwinner,sun20i-d1-i2s |
| 37 | - const: allwinner,sun50i-r329-i2s |
| 38 | |
| 39 | reg: |
| 40 | maxItems: 1 |
| 41 | |
| 42 | interrupts: |
| 43 | maxItems: 1 |
| 44 | |
| 45 | clocks: |
| 46 | items: |
| 47 | - description: Bus Clock |
| 48 | - description: Module Clock |
| 49 | |
| 50 | clock-names: |
| 51 | items: |
| 52 | - const: apb |
| 53 | - const: mod |
| 54 | |
| 55 | # Even though it only applies to subschemas under the conditionals, |
| 56 | # not listing them here will trigger a warning because of the |
| 57 | # additionalsProperties set to false. |
| 58 | dmas: true |
| 59 | dma-names: true |
| 60 | resets: |
| 61 | maxItems: 1 |
| 62 | |
| 63 | allOf: |
| 64 | - $ref: dai-common.yaml# |
| 65 | - if: |
| 66 | properties: |
| 67 | compatible: |
| 68 | contains: |
| 69 | enum: |
| 70 | - allwinner,sun6i-a31-i2s |
| 71 | - allwinner,sun8i-a83t-i2s |
| 72 | - allwinner,sun8i-h3-i2s |
| 73 | - allwinner,sun50i-a64-codec-i2s |
| 74 | - allwinner,sun50i-h6-i2s |
| 75 | - allwinner,sun50i-r329-i2s |
| 76 | |
| 77 | then: |
| 78 | required: |
| 79 | - resets |
| 80 | |
| 81 | - if: |
| 82 | properties: |
| 83 | compatible: |
| 84 | contains: |
| 85 | enum: |
| 86 | - allwinner,sun8i-a83t-i2s |
| 87 | - allwinner,sun8i-h3-i2s |
| 88 | |
| 89 | then: |
| 90 | properties: |
| 91 | dmas: |
| 92 | minItems: 1 |
| 93 | items: |
| 94 | - description: RX DMA Channel |
| 95 | - description: TX DMA Channel |
| 96 | description: |
| 97 | Some controllers cannot receive but can only transmit |
| 98 | data. In such a case, the RX DMA channel is to be omitted. |
| 99 | |
| 100 | dma-names: |
| 101 | oneOf: |
| 102 | - items: |
| 103 | - const: rx |
| 104 | - const: tx |
| 105 | - const: tx |
| 106 | description: |
| 107 | Some controllers cannot receive but can only transmit |
| 108 | data. In such a case, the RX name is to be omitted. |
| 109 | |
| 110 | else: |
| 111 | properties: |
| 112 | dmas: |
| 113 | items: |
| 114 | - description: RX DMA Channel |
| 115 | - description: TX DMA Channel |
| 116 | |
| 117 | dma-names: |
| 118 | items: |
| 119 | - const: rx |
| 120 | - const: tx |
| 121 | |
| 122 | required: |
| 123 | - "#sound-dai-cells" |
| 124 | - compatible |
| 125 | - reg |
| 126 | - interrupts |
| 127 | - clocks |
| 128 | - clock-names |
| 129 | - dmas |
| 130 | - dma-names |
| 131 | |
| 132 | unevaluatedProperties: false |
| 133 | |
| 134 | examples: |
| 135 | - | |
| 136 | i2s0: i2s@1c22400 { |
| 137 | #sound-dai-cells = <0>; |
| 138 | compatible = "allwinner,sun4i-a10-i2s"; |
| 139 | reg = <0x01c22400 0x400>; |
| 140 | interrupts = <0 16 4>; |
| 141 | clocks = <&apb0_gates 3>, <&i2s0_clk>; |
| 142 | clock-names = "apb", "mod"; |
| 143 | dmas = <&dma 0 3>, <&dma 0 3>; |
| 144 | dma-names = "rx", "tx"; |
| 145 | }; |
| 146 | |
| 147 | ... |