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,ctu : Should contain CTU feature. 22 The number of CTU subnode should be same as HW. 23 see below for detail. 24- rcar_sound,mix : Should contain MIX feature. 25 The number of MIX subnode should be same as HW. 26 see below for detail. 27- rcar_sound,dvc : Should contain DVC feature. 28 The number of DVC subnode should be same as HW. 29 see below for detail. 30- rcar_sound,dai : DAI contents. 31 The number of DAI subnode should be same as HW. 32 see below for detail. 33 34SSI subnode properties: 35- interrupts : Should contain SSI interrupt for PIO transfer 36- shared-pin : if shared clock pin 37- pio-transfer : use PIO transfer mode 38- no-busif : BUSIF is not ussed when [mem -> SSI] via DMA case 39- dma : Should contain Audio DMAC entry 40- dma-names : SSI case "rx" (=playback), "tx" (=capture) 41 SSIU case "rxu" (=playback), "txu" (=capture) 42 43SRC subnode properties: 44- dma : Should contain Audio DMAC entry 45- dma-names : "rx" (=playback), "tx" (=capture) 46 47DVC subnode properties: 48- dma : Should contain Audio DMAC entry 49- dma-names : "tx" (=playback/capture) 50 51DAI subnode properties: 52- playback : list of playback modules 53- capture : list of capture modules 54 55Example: 56 57rcar_sound: sound@ec500000 { 58 #sound-dai-cells = <1>; 59 compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2"; 60 reg = <0 0xec500000 0 0x1000>, /* SCU */ 61 <0 0xec5a0000 0 0x100>, /* ADG */ 62 <0 0xec540000 0 0x1000>, /* SSIU */ 63 <0 0xec541000 0 0x1280>, /* SSI */ 64 <0 0xec740000 0 0x200>; /* Audio DMAC peri peri*/ 65 reg-names = "scu", "adg", "ssiu", "ssi", "audmapp"; 66 67 clocks = <&mstp10_clks R8A7790_CLK_SSI_ALL>, 68 <&mstp10_clks R8A7790_CLK_SSI9>, <&mstp10_clks R8A7790_CLK_SSI8>, 69 <&mstp10_clks R8A7790_CLK_SSI7>, <&mstp10_clks R8A7790_CLK_SSI6>, 70 <&mstp10_clks R8A7790_CLK_SSI5>, <&mstp10_clks R8A7790_CLK_SSI4>, 71 <&mstp10_clks R8A7790_CLK_SSI3>, <&mstp10_clks R8A7790_CLK_SSI2>, 72 <&mstp10_clks R8A7790_CLK_SSI1>, <&mstp10_clks R8A7790_CLK_SSI0>, 73 <&mstp10_clks R8A7790_CLK_SCU_SRC9>, <&mstp10_clks R8A7790_CLK_SCU_SRC8>, 74 <&mstp10_clks R8A7790_CLK_SCU_SRC7>, <&mstp10_clks R8A7790_CLK_SCU_SRC6>, 75 <&mstp10_clks R8A7790_CLK_SCU_SRC5>, <&mstp10_clks R8A7790_CLK_SCU_SRC4>, 76 <&mstp10_clks R8A7790_CLK_SCU_SRC3>, <&mstp10_clks R8A7790_CLK_SCU_SRC2>, 77 <&mstp10_clks R8A7790_CLK_SCU_SRC1>, <&mstp10_clks R8A7790_CLK_SCU_SRC0>, 78 <&mstp10_clks R8A7790_CLK_SCU_DVC0>, <&mstp10_clks R8A7790_CLK_SCU_DVC1>, 79 <&audio_clk_a>, <&audio_clk_b>, <&audio_clk_c>, <&m2_clk>; 80 clock-names = "ssi-all", 81 "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5", 82 "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0", 83 "src.9", "src.8", "src.7", "src.6", "src.5", 84 "src.4", "src.3", "src.2", "src.1", "src.0", 85 "dvc.0", "dvc.1", 86 "clk_a", "clk_b", "clk_c", "clk_i"; 87 88 rcar_sound,dvc { 89 dvc0: dvc@0 { 90 dmas = <&audma0 0xbc>; 91 dma-names = "tx"; 92 }; 93 dvc1: dvc@1 { 94 dmas = <&audma0 0xbe>; 95 dma-names = "tx"; 96 }; 97 }; 98 99 rcar_sound,mix { 100 mix0: mix@0 { }; 101 mix1: mix@1 { }; 102 }; 103 104 rcar_sound,ctu { 105 ctu00: ctu@0 { }; 106 ctu01: ctu@1 { }; 107 ctu02: ctu@2 { }; 108 ctu03: ctu@3 { }; 109 ctu10: ctu@4 { }; 110 ctu11: ctu@5 { }; 111 ctu12: ctu@6 { }; 112 ctu13: ctu@7 { }; 113 }; 114 115 rcar_sound,src { 116 src0: src@0 { 117 interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>; 118 dmas = <&audma0 0x85>, <&audma1 0x9a>; 119 dma-names = "rx", "tx"; 120 }; 121 src1: src@1 { 122 interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>; 123 dmas = <&audma0 0x87>, <&audma1 0x9c>; 124 dma-names = "rx", "tx"; 125 }; 126 src2: src@2 { 127 interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>; 128 dmas = <&audma0 0x89>, <&audma1 0x9e>; 129 dma-names = "rx", "tx"; 130 }; 131 src3: src@3 { 132 interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>; 133 dmas = <&audma0 0x8b>, <&audma1 0xa0>; 134 dma-names = "rx", "tx"; 135 }; 136 src4: src@4 { 137 interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>; 138 dmas = <&audma0 0x8d>, <&audma1 0xb0>; 139 dma-names = "rx", "tx"; 140 }; 141 src5: src@5 { 142 interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>; 143 dmas = <&audma0 0x8f>, <&audma1 0xb2>; 144 dma-names = "rx", "tx"; 145 }; 146 src6: src@6 { 147 interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>; 148 dmas = <&audma0 0x91>, <&audma1 0xb4>; 149 dma-names = "rx", "tx"; 150 }; 151 src7: src@7 { 152 interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>; 153 dmas = <&audma0 0x93>, <&audma1 0xb6>; 154 dma-names = "rx", "tx"; 155 }; 156 src8: src@8 { 157 interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>; 158 dmas = <&audma0 0x95>, <&audma1 0xb8>; 159 dma-names = "rx", "tx"; 160 }; 161 src9: src@9 { 162 interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>; 163 dmas = <&audma0 0x97>, <&audma1 0xba>; 164 dma-names = "rx", "tx"; 165 }; 166 }; 167 168 rcar_sound,ssi { 169 ssi0: ssi@0 { 170 interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; 171 dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>; 172 dma-names = "rx", "tx", "rxu", "txu"; 173 }; 174 ssi1: ssi@1 { 175 interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; 176 dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>; 177 dma-names = "rx", "tx", "rxu", "txu"; 178 }; 179 ssi2: ssi@2 { 180 interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; 181 dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>; 182 dma-names = "rx", "tx", "rxu", "txu"; 183 }; 184 ssi3: ssi@3 { 185 interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; 186 dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>; 187 dma-names = "rx", "tx", "rxu", "txu"; 188 }; 189 ssi4: ssi@4 { 190 interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; 191 dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>; 192 dma-names = "rx", "tx", "rxu", "txu"; 193 }; 194 ssi5: ssi@5 { 195 interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; 196 dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>; 197 dma-names = "rx", "tx", "rxu", "txu"; 198 }; 199 ssi6: ssi@6 { 200 interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; 201 dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>; 202 dma-names = "rx", "tx", "rxu", "txu"; 203 }; 204 ssi7: ssi@7 { 205 interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; 206 dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>; 207 dma-names = "rx", "tx", "rxu", "txu"; 208 }; 209 ssi8: ssi@8 { 210 interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; 211 dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>; 212 dma-names = "rx", "tx", "rxu", "txu"; 213 }; 214 ssi9: ssi@9 { 215 interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; 216 dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>; 217 dma-names = "rx", "tx", "rxu", "txu"; 218 }; 219 }; 220 221 rcar_sound,dai { 222 dai0 { 223 playback = <&ssi5 &src5>; 224 capture = <&ssi6>; 225 }; 226 dai1 { 227 playback = <&ssi3>; 228 }; 229 dai2 { 230 capture = <&ssi4>; 231 }; 232 dai3 { 233 playback = <&ssi7>; 234 }; 235 dai4 { 236 capture = <&ssi8>; 237 }; 238 }; 239}; 240