Based on kernel version 6.11
. Page generated on 2024-09-24 08:21 EST
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | # SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/samsung-i2s.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Samsung SoC I2S controller maintainers: - Krzysztof Kozlowski <krzk@kernel.org> - Sylwester Nawrocki <s.nawrocki@samsung.com> allOf: - $ref: dai-common.yaml# properties: compatible: description: | samsung,s3c6410-i2s: for 8/16/24bit stereo I2S. samsung,s5pv210-i2s: for 8/16/24bit multichannel (5.1) I2S with secondary FIFO, s/w reset control and internal mux for root clock source. samsung,exynos5420-i2s: for 8/16/24bit multichannel (5.1) I2S for playback, stereo channel capture, secondary FIFO using internal or external DMA, s/w reset control, internal mux for root clock source and 7.1 channel TDM support for playback; TDM (Time division multiplexing) is to allow transfer of multiple channel audio data on single data line. samsung,exynos7-i2s: with all the available features of Exynos5 I2S. Exynos7 I2S has 7.1 channel TDM support for capture, secondary FIFO with only external DMA and more number of root clock sampling frequencies. samsung,exynos7-i2s1: I2S1 on previous samsung platforms supports stereo channels. Exynos7 I2S1 upgraded to 5.1 multichannel with slightly modified bit offsets. tesla,fsd-i2s: for 8/16/24bit stereo channel I2S for playback and capture, secondary FIFO using external DMA, s/w reset control, internal mux for root clock source with all root clock sampling frequencies supported by Exynos7 I2S and 7.1 channel TDM support for playback and capture TDM (Time division multiplexing) to allow transfer of multiple channel audio data on single data line. oneOf: - enum: - samsung,s3c6410-i2s - samsung,s5pv210-i2s - samsung,exynos5420-i2s - samsung,exynos7-i2s - samsung,exynos7-i2s1 - tesla,fsd-i2s - items: - enum: - samsung,exynos5433-i2s - const: samsung,exynos7-i2s '#address-cells': const: 1 '#size-cells': const: 0 reg: maxItems: 1 dmas: minItems: 2 maxItems: 3 dma-names: oneOf: - items: - const: tx - const: rx - items: - const: tx - const: rx - const: tx-sec clocks: minItems: 1 maxItems: 3 clock-names: oneOf: - items: - const: iis - items: # for I2S0 - const: iis - const: i2s_opclk0 - const: i2s_opclk1 - items: # for I2S1 and I2S2 - const: iis - const: i2s_opclk0 description: | "iis" is the I2S bus clock and i2s_opclk0, i2s_opclk1 are sources of the root clock. I2S0 has internal mux to select the source of root clock and I2S1 and I2S2 doesn't have any such mux. "#clock-cells": const: 1 clock-output-names: deprecated: true oneOf: - items: # for I2S0 - const: i2s_cdclk0 - items: # for I2S1 - const: i2s_cdclk1 - items: # for I2S2 - const: i2s_cdclk2 description: Names of the CDCLK I2S output clocks. interrupts: maxItems: 1 samsung,idma-addr: $ref: /schemas/types.yaml#/definitions/uint32 description: | Internal DMA register base address of the audio subsystem (used in secondary sound source). power-domains: maxItems: 1 "#sound-dai-cells": const: 1 required: - compatible - reg - dmas - dma-names - clocks - clock-names unevaluatedProperties: false examples: - | #include <dt-bindings/clock/exynos-audss-clk.h> i2s0: i2s@3830000 { compatible = "samsung,s5pv210-i2s"; reg = <0x03830000 0x100>; dmas = <&pdma0 10>, <&pdma0 9>, <&pdma0 8>; dma-names = "tx", "rx", "tx-sec"; clocks = <&clock_audss EXYNOS_I2S_BUS>, <&clock_audss EXYNOS_I2S_BUS>, <&clock_audss EXYNOS_SCLK_I2S>; clock-names = "iis", "i2s_opclk0", "i2s_opclk1"; #clock-cells = <1>; samsung,idma-addr = <0x03000000>; pinctrl-names = "default"; pinctrl-0 = <&i2s0_bus>; #sound-dai-cells = <1>; }; |