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