projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 0a0ca8e9 MR |
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 Device Tree Bindings | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Chen-Yu Tsai <wens@csie.org> | |
| 5c7404bb | 11 | - Maxime Ripard <mripard@kernel.org> |
| 0a0ca8e9 MR |
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 | |
| 56c9d407 JS |
23 | - items: |
| 24 | - const: allwinner,sun8i-r40-i2s | |
| 25 | - const: allwinner,sun8i-h3-i2s | |
| ce09d1a6 TS |
26 | - items: |
| 27 | - const: allwinner,sun8i-v3-i2s | |
| 28 | - const: allwinner,sun8i-h3-i2s | |
| 0a0ca8e9 MR |
29 | - const: allwinner,sun50i-a64-codec-i2s |
| 30 | - items: | |
| 31 | - const: allwinner,sun50i-a64-i2s | |
| 32 | - const: allwinner,sun8i-h3-i2s | |
| e84f44ba | 33 | - const: allwinner,sun50i-h6-i2s |
| 7f97b2ad SH |
34 | - const: allwinner,sun50i-r329-i2s |
| 35 | - items: | |
| 36 | - const: allwinner,sun20i-d1-i2s | |
| 37 | - const: allwinner,sun50i-r329-i2s | |
| 0a0ca8e9 MR |
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 | ||
| 0a0ca8e9 MR |
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. | |
| eb5b1284 MR |
58 | dmas: true |
| 59 | dma-names: true | |
| 0a0ca8e9 MR |
60 | resets: |
| 61 | maxItems: 1 | |
| 62 | ||
| 63 | allOf: | |
| 64 | - if: | |
| 65 | properties: | |
| 66 | compatible: | |
| 67 | contains: | |
| 68 | enum: | |
| 69 | - allwinner,sun6i-a31-i2s | |
| 70 | - allwinner,sun8i-a83t-i2s | |
| 71 | - allwinner,sun8i-h3-i2s | |
| 72 | - allwinner,sun50i-a64-codec-i2s | |
| e84f44ba | 73 | - allwinner,sun50i-h6-i2s |
| 7f97b2ad | 74 | - allwinner,sun50i-r329-i2s |
| 0a0ca8e9 MR |
75 | |
| 76 | then: | |
| 77 | required: | |
| 78 | - resets | |
| 79 | ||
| eb5b1284 MR |
80 | - if: |
| 81 | properties: | |
| 82 | compatible: | |
| 83 | contains: | |
| 0bc1bf24 CP |
84 | enum: |
| 85 | - allwinner,sun8i-a83t-i2s | |
| 86 | - allwinner,sun8i-h3-i2s | |
| eb5b1284 MR |
87 | |
| 88 | then: | |
| 89 | properties: | |
| 90 | dmas: | |
| 91 | minItems: 1 | |
| eb5b1284 MR |
92 | items: |
| 93 | - description: RX DMA Channel | |
| 94 | - description: TX DMA Channel | |
| 95 | description: | |
| 96 | Some controllers cannot receive but can only transmit | |
| 97 | data. In such a case, the RX DMA channel is to be omitted. | |
| 98 | ||
| 99 | dma-names: | |
| 100 | oneOf: | |
| 101 | - items: | |
| 102 | - const: rx | |
| 103 | - const: tx | |
| 104 | - const: tx | |
| 105 | description: | |
| 106 | Some controllers cannot receive but can only transmit | |
| 107 | data. In such a case, the RX name is to be omitted. | |
| 108 | ||
| 109 | else: | |
| 110 | properties: | |
| 111 | dmas: | |
| 112 | items: | |
| 113 | - description: RX DMA Channel | |
| 114 | - description: TX DMA Channel | |
| 115 | ||
| 116 | dma-names: | |
| 117 | items: | |
| 118 | - const: rx | |
| 119 | - const: tx | |
| 120 | ||
| 0a0ca8e9 MR |
121 | required: |
| 122 | - "#sound-dai-cells" | |
| 123 | - compatible | |
| 124 | - reg | |
| 125 | - interrupts | |
| 126 | - clocks | |
| 127 | - clock-names | |
| 128 | - dmas | |
| 129 | - dma-names | |
| 130 | ||
| 131 | additionalProperties: false | |
| 132 | ||
| 133 | examples: | |
| 134 | - | | |
| 135 | i2s0: i2s@1c22400 { | |
| 136 | #sound-dai-cells = <0>; | |
| 137 | compatible = "allwinner,sun4i-a10-i2s"; | |
| 138 | reg = <0x01c22400 0x400>; | |
| 139 | interrupts = <0 16 4>; | |
| 140 | clocks = <&apb0_gates 3>, <&i2s0_clk>; | |
| 141 | clock-names = "apb", "mod"; | |
| 142 | dmas = <&dma 0 3>, <&dma 0 3>; | |
| 143 | dma-names = "rx", "tx"; | |
| 144 | }; | |
| 145 | ||
| 146 | ... |