1Renesas R-Car sound 2 3Required properties: 4- compatible : "renesas,rcar_sound-<soctype>", fallbacks 5 "renesas,rcar_sound-gen1" if generation1, and 6 "renesas,rcar_sound-gen2" if generation2 7 Examples with soctypes are: 8 - "renesas,rcar_sound-r8a7778" (R-Car M1A) 9 - "renesas,rcar_sound-r8a7790" (R-Car H2) 10 - "renesas,rcar_sound-r8a7791" (R-Car M2-W) 11- reg : Should contain the register physical address. 12 required register is 13 SRU/ADG/SSI if generation1 14 SRU/ADG/SSIU/SSI if generation2 15- rcar_sound,ssi : Should contain SSI feature. 16 The number of SSI subnode should be same as HW. 17 see below for detail. 18- rcar_sound,src : Should contain SRC feature. 19 The number of SRC subnode should be same as HW. 20 see below for detail. 21- rcar_sound,dvc : Should contain DVC feature. 22 The number of DVC subnode should be same as HW. 23 see below for detail. 24- rcar_sound,dai : DAI contents. 25 The number of DAI subnode should be same as HW. 26 see below for detail. 27 28SSI subnode properties: 29- interrupts : Should contain SSI interrupt for PIO transfer 30- shared-pin : if shared clock pin 31- pio-transfer : use PIO transfer mode 32- no-busif : BUSIF is not ussed when [mem -> SSI] via DMA case 33- dma : Should contain Audio DMAC entry 34- dma-names : SSI case "rx" (=playback), "tx" (=capture) 35 SSIU case "rxu" (=playback), "txu" (=capture) 36 37SRC subnode properties: 38- dma : Should contain Audio DMAC entry 39- dma-names : "rx" (=playback), "tx" (=capture) 40 41DVC subnode properties: 42- dma : Should contain Audio DMAC entry 43- dma-names : "tx" (=playback/capture) 44 45DAI subnode properties: 46- playback : list of playback modules 47- capture : list of capture modules 48 49Example: 50 51rcar_sound: sound@ec500000 { 52 #sound-dai-cells = <1>; 53 compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2"; 54 reg = <0 0xec500000 0 0x1000>, /* SCU */ 55 <0 0xec5a0000 0 0x100>, /* ADG */ 56 <0 0xec540000 0 0x1000>, /* SSIU */ 57 <0 0xec541000 0 0x1280>, /* SSI */ 58 <0 0xec740000 0 0x200>; /* Audio DMAC peri peri*/ 59 reg-names = "scu", "adg", "ssiu", "ssi", "audmapp"; 60 61 clocks = <&mstp10_clks R8A7790_CLK_SSI_ALL>, 62 <&mstp10_clks R8A7790_CLK_SSI9>, <&mstp10_clks R8A7790_CLK_SSI8>, 63 <&mstp10_clks R8A7790_CLK_SSI7>, <&mstp10_clks R8A7790_CLK_SSI6>, 64 <&mstp10_clks R8A7790_CLK_SSI5>, <&mstp10_clks R8A7790_CLK_SSI4>, 65 <&mstp10_clks R8A7790_CLK_SSI3>, <&mstp10_clks R8A7790_CLK_SSI2>, 66 <&mstp10_clks R8A7790_CLK_SSI1>, <&mstp10_clks R8A7790_CLK_SSI0>, 67 <&mstp10_clks R8A7790_CLK_SCU_SRC9>, <&mstp10_clks R8A7790_CLK_SCU_SRC8>, 68 <&mstp10_clks R8A7790_CLK_SCU_SRC7>, <&mstp10_clks R8A7790_CLK_SCU_SRC6>, 69 <&mstp10_clks R8A7790_CLK_SCU_SRC5>, <&mstp10_clks R8A7790_CLK_SCU_SRC4>, 70 <&mstp10_clks R8A7790_CLK_SCU_SRC3>, <&mstp10_clks R8A7790_CLK_SCU_SRC2>, 71 <&mstp10_clks R8A7790_CLK_SCU_SRC1>, <&mstp10_clks R8A7790_CLK_SCU_SRC0>, 72 <&mstp10_clks R8A7790_CLK_SCU_DVC0>, <&mstp10_clks R8A7790_CLK_SCU_DVC1>, 73 <&audio_clk_a>, <&audio_clk_b>, <&audio_clk_c>, <&m2_clk>; 74 clock-names = "ssi-all", 75 "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5", 76 "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0", 77 "src.9", "src.8", "src.7", "src.6", "src.5", 78 "src.4", "src.3", "src.2", "src.1", "src.0", 79 "dvc.0", "dvc.1", 80 "clk_a", "clk_b", "clk_c", "clk_i"; 81 82 rcar_sound,dvc { 83 dvc0: dvc@0 { 84 dmas = <&audma0 0xbc>; 85 dma-names = "tx"; 86 }; 87 dvc1: dvc@1 { 88 dmas = <&audma0 0xbe>; 89 dma-names = "tx"; 90 }; 91 }; 92 93 rcar_sound,src { 94 src0: src@0 { 95 interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>; 96 dmas = <&audma0 0x85>, <&audma1 0x9a>; 97 dma-names = "rx", "tx"; 98 }; 99 src1: src@1 { 100 interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>; 101 dmas = <&audma0 0x87>, <&audma1 0x9c>; 102 dma-names = "rx", "tx"; 103 }; 104 src2: src@2 { 105 interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>; 106 dmas = <&audma0 0x89>, <&audma1 0x9e>; 107 dma-names = "rx", "tx"; 108 }; 109 src3: src@3 { 110 interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>; 111 dmas = <&audma0 0x8b>, <&audma1 0xa0>; 112 dma-names = "rx", "tx"; 113 }; 114 src4: src@4 { 115 interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>; 116 dmas = <&audma0 0x8d>, <&audma1 0xb0>; 117 dma-names = "rx", "tx"; 118 }; 119 src5: src@5 { 120 interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>; 121 dmas = <&audma0 0x8f>, <&audma1 0xb2>; 122 dma-names = "rx", "tx"; 123 }; 124 src6: src@6 { 125 interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>; 126 dmas = <&audma0 0x91>, <&audma1 0xb4>; 127 dma-names = "rx", "tx"; 128 }; 129 src7: src@7 { 130 interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>; 131 dmas = <&audma0 0x93>, <&audma1 0xb6>; 132 dma-names = "rx", "tx"; 133 }; 134 src8: src@8 { 135 interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>; 136 dmas = <&audma0 0x95>, <&audma1 0xb8>; 137 dma-names = "rx", "tx"; 138 }; 139 src9: src@9 { 140 interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>; 141 dmas = <&audma0 0x97>, <&audma1 0xba>; 142 dma-names = "rx", "tx"; 143 }; 144 }; 145 146 rcar_sound,ssi { 147 ssi0: ssi@0 { 148 interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; 149 dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>; 150 dma-names = "rx", "tx", "rxu", "txu"; 151 }; 152 ssi1: ssi@1 { 153 interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; 154 dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>; 155 dma-names = "rx", "tx", "rxu", "txu"; 156 }; 157 ssi2: ssi@2 { 158 interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; 159 dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>; 160 dma-names = "rx", "tx", "rxu", "txu"; 161 }; 162 ssi3: ssi@3 { 163 interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; 164 dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>; 165 dma-names = "rx", "tx", "rxu", "txu"; 166 }; 167 ssi4: ssi@4 { 168 interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; 169 dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>; 170 dma-names = "rx", "tx", "rxu", "txu"; 171 }; 172 ssi5: ssi@5 { 173 interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; 174 dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>; 175 dma-names = "rx", "tx", "rxu", "txu"; 176 }; 177 ssi6: ssi@6 { 178 interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; 179 dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>; 180 dma-names = "rx", "tx", "rxu", "txu"; 181 }; 182 ssi7: ssi@7 { 183 interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; 184 dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>; 185 dma-names = "rx", "tx", "rxu", "txu"; 186 }; 187 ssi8: ssi@8 { 188 interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; 189 dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>; 190 dma-names = "rx", "tx", "rxu", "txu"; 191 }; 192 ssi9: ssi@9 { 193 interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; 194 dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>; 195 dma-names = "rx", "tx", "rxu", "txu"; 196 }; 197 }; 198 199 rcar_sound,dai { 200 dai0 { 201 playback = <&ssi5 &src5>; 202 capture = <&ssi6>; 203 }; 204 dai1 { 205 playback = <&ssi3>; 206 }; 207 dai2 { 208 capture = <&ssi4>; 209 }; 210 dai3 { 211 playback = <&ssi7>; 212 }; 213 dai4 { 214 capture = <&ssi8>; 215 }; 216 }; 217}; 218