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1# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-i2s.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Allwinner A10 I2S Controller8 9maintainers:10 - Chen-Yu Tsai <wens@csie.org>11 - Maxime Ripard <mripard@kernel.org>12 13properties:14 "#sound-dai-cells":15 const: 016 17 compatible:18 oneOf:19 - const: allwinner,sun4i-a10-i2s20 - const: allwinner,sun6i-a31-i2s21 - const: allwinner,sun8i-a83t-i2s22 - const: allwinner,sun8i-h3-i2s23 - items:24 - const: allwinner,sun8i-r40-i2s25 - const: allwinner,sun8i-h3-i2s26 - items:27 - const: allwinner,sun8i-v3-i2s28 - const: allwinner,sun8i-h3-i2s29 - const: allwinner,sun50i-a64-codec-i2s30 - items:31 - const: allwinner,sun50i-a64-i2s32 - const: allwinner,sun8i-h3-i2s33 - const: allwinner,sun50i-h6-i2s34 - const: allwinner,sun50i-r329-i2s35 - items:36 - const: allwinner,sun20i-d1-i2s37 - const: allwinner,sun50i-r329-i2s38 39 reg:40 maxItems: 141 42 interrupts:43 maxItems: 144 45 clocks:46 items:47 - description: Bus Clock48 - description: Module Clock49 50 clock-names:51 items:52 - const: apb53 - const: mod54 55 # Even though it only applies to subschemas under the conditionals,56 # not listing them here will trigger a warning because of the57 # additionalsProperties set to false.58 dmas: true59 dma-names: true60 resets:61 maxItems: 162 63allOf:64 - $ref: dai-common.yaml#65 - if:66 properties:67 compatible:68 contains:69 enum:70 - allwinner,sun6i-a31-i2s71 - allwinner,sun8i-a83t-i2s72 - allwinner,sun8i-h3-i2s73 - allwinner,sun50i-a64-codec-i2s74 - allwinner,sun50i-h6-i2s75 - allwinner,sun50i-r329-i2s76 77 then:78 required:79 - resets80 81 - if:82 properties:83 compatible:84 contains:85 enum:86 - allwinner,sun8i-a83t-i2s87 - allwinner,sun8i-h3-i2s88 89 then:90 properties:91 dmas:92 minItems: 193 items:94 - description: RX DMA Channel95 - description: TX DMA Channel96 description:97 Some controllers cannot receive but can only transmit98 data. In such a case, the RX DMA channel is to be omitted.99 100 dma-names:101 oneOf:102 - items:103 - const: rx104 - const: tx105 - const: tx106 description:107 Some controllers cannot receive but can only transmit108 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 Channel115 - description: TX DMA Channel116 117 dma-names:118 items:119 - const: rx120 - const: tx121 122required:123 - "#sound-dai-cells"124 - compatible125 - reg126 - interrupts127 - clocks128 - clock-names129 - dmas130 - dma-names131 132unevaluatedProperties: false133 134examples: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...148