| Renesas R-Car sound |
| |
| Required properties: |
| - compatible : "renesas,rcar_sound-<soctype>", fallbacks |
| "renesas,rcar_sound-gen1" if generation1, and |
| "renesas,rcar_sound-gen2" if generation2 |
| "renesas,rcar_sound-gen3" if generation3 |
| Examples with soctypes are: |
| - "renesas,rcar_sound-r8a7778" (R-Car M1A) |
| - "renesas,rcar_sound-r8a7779" (R-Car H1) |
| - "renesas,rcar_sound-r8a7790" (R-Car H2) |
| - "renesas,rcar_sound-r8a7791" (R-Car M2-W) |
| - "renesas,rcar_sound-r8a7793" (R-Car M2-N) |
| - "renesas,rcar_sound-r8a7794" (R-Car E2) |
| - "renesas,rcar_sound-r8a7795" (R-Car H3) |
| - reg : Should contain the register physical address. |
| required register is |
| SRU/ADG/SSI if generation1 |
| SRU/ADG/SSIU/SSI if generation2 |
| - rcar_sound,ssi : Should contain SSI feature. |
| The number of SSI subnode should be same as HW. |
| see below for detail. |
| - rcar_sound,src : Should contain SRC feature. |
| The number of SRC subnode should be same as HW. |
| see below for detail. |
| - rcar_sound,ctu : Should contain CTU feature. |
| The number of CTU subnode should be same as HW. |
| see below for detail. |
| - rcar_sound,mix : Should contain MIX feature. |
| The number of MIX subnode should be same as HW. |
| see below for detail. |
| - rcar_sound,dvc : Should contain DVC feature. |
| The number of DVC subnode should be same as HW. |
| see below for detail. |
| - rcar_sound,dai : DAI contents. |
| The number of DAI subnode should be same as HW. |
| see below for detail. |
| - #sound-dai-cells : it must be 0 if your system is using single DAI |
| it must be 1 if your system is using multi DAI |
| |
| Optional properties: |
| - #clock-cells : it must be 0 if your system has audio_clkout |
| it must be 1 if your system has audio_clkout0/1/2/3 |
| - clock-frequency : for all audio_clkout0/1/2/3 |
| |
| SSI subnode properties: |
| - interrupts : Should contain SSI interrupt for PIO transfer |
| - shared-pin : if shared clock pin |
| - pio-transfer : use PIO transfer mode |
| - no-busif : BUSIF is not ussed when [mem -> SSI] via DMA case |
| - dma : Should contain Audio DMAC entry |
| - dma-names : SSI case "rx" (=playback), "tx" (=capture) |
| SSIU case "rxu" (=playback), "txu" (=capture) |
| |
| SRC subnode properties: |
| - dma : Should contain Audio DMAC entry |
| - dma-names : "rx" (=playback), "tx" (=capture) |
| |
| DVC subnode properties: |
| - dma : Should contain Audio DMAC entry |
| - dma-names : "tx" (=playback/capture) |
| |
| DAI subnode properties: |
| - playback : list of playback modules |
| - capture : list of capture modules |
| |
| Example: |
| |
| rcar_sound: sound@ec500000 { |
| #sound-dai-cells = <1>; |
| compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2"; |
| reg = <0 0xec500000 0 0x1000>, /* SCU */ |
| <0 0xec5a0000 0 0x100>, /* ADG */ |
| <0 0xec540000 0 0x1000>, /* SSIU */ |
| <0 0xec541000 0 0x1280>, /* SSI */ |
| <0 0xec740000 0 0x200>; /* Audio DMAC peri peri*/ |
| reg-names = "scu", "adg", "ssiu", "ssi", "audmapp"; |
| |
| clocks = <&mstp10_clks R8A7790_CLK_SSI_ALL>, |
| <&mstp10_clks R8A7790_CLK_SSI9>, <&mstp10_clks R8A7790_CLK_SSI8>, |
| <&mstp10_clks R8A7790_CLK_SSI7>, <&mstp10_clks R8A7790_CLK_SSI6>, |
| <&mstp10_clks R8A7790_CLK_SSI5>, <&mstp10_clks R8A7790_CLK_SSI4>, |
| <&mstp10_clks R8A7790_CLK_SSI3>, <&mstp10_clks R8A7790_CLK_SSI2>, |
| <&mstp10_clks R8A7790_CLK_SSI1>, <&mstp10_clks R8A7790_CLK_SSI0>, |
| <&mstp10_clks R8A7790_CLK_SCU_SRC9>, <&mstp10_clks R8A7790_CLK_SCU_SRC8>, |
| <&mstp10_clks R8A7790_CLK_SCU_SRC7>, <&mstp10_clks R8A7790_CLK_SCU_SRC6>, |
| <&mstp10_clks R8A7790_CLK_SCU_SRC5>, <&mstp10_clks R8A7790_CLK_SCU_SRC4>, |
| <&mstp10_clks R8A7790_CLK_SCU_SRC3>, <&mstp10_clks R8A7790_CLK_SCU_SRC2>, |
| <&mstp10_clks R8A7790_CLK_SCU_SRC1>, <&mstp10_clks R8A7790_CLK_SCU_SRC0>, |
| <&mstp10_clks R8A7790_CLK_SCU_DVC0>, <&mstp10_clks R8A7790_CLK_SCU_DVC1>, |
| <&audio_clk_a>, <&audio_clk_b>, <&audio_clk_c>, <&m2_clk>; |
| clock-names = "ssi-all", |
| "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5", |
| "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0", |
| "src.9", "src.8", "src.7", "src.6", "src.5", |
| "src.4", "src.3", "src.2", "src.1", "src.0", |
| "dvc.0", "dvc.1", |
| "clk_a", "clk_b", "clk_c", "clk_i"; |
| |
| rcar_sound,dvc { |
| dvc0: dvc@0 { |
| dmas = <&audma0 0xbc>; |
| dma-names = "tx"; |
| }; |
| dvc1: dvc@1 { |
| dmas = <&audma0 0xbe>; |
| dma-names = "tx"; |
| }; |
| }; |
| |
| rcar_sound,mix { |
| mix0: mix@0 { }; |
| mix1: mix@1 { }; |
| }; |
| |
| rcar_sound,ctu { |
| ctu00: ctu@0 { }; |
| ctu01: ctu@1 { }; |
| ctu02: ctu@2 { }; |
| ctu03: ctu@3 { }; |
| ctu10: ctu@4 { }; |
| ctu11: ctu@5 { }; |
| ctu12: ctu@6 { }; |
| ctu13: ctu@7 { }; |
| }; |
| |
| rcar_sound,src { |
| src0: src@0 { |
| interrupts = <0 352 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x85>, <&audma1 0x9a>; |
| dma-names = "rx", "tx"; |
| }; |
| src1: src@1 { |
| interrupts = <0 353 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x87>, <&audma1 0x9c>; |
| dma-names = "rx", "tx"; |
| }; |
| src2: src@2 { |
| interrupts = <0 354 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x89>, <&audma1 0x9e>; |
| dma-names = "rx", "tx"; |
| }; |
| src3: src@3 { |
| interrupts = <0 355 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x8b>, <&audma1 0xa0>; |
| dma-names = "rx", "tx"; |
| }; |
| src4: src@4 { |
| interrupts = <0 356 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x8d>, <&audma1 0xb0>; |
| dma-names = "rx", "tx"; |
| }; |
| src5: src@5 { |
| interrupts = <0 357 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x8f>, <&audma1 0xb2>; |
| dma-names = "rx", "tx"; |
| }; |
| src6: src@6 { |
| interrupts = <0 358 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x91>, <&audma1 0xb4>; |
| dma-names = "rx", "tx"; |
| }; |
| src7: src@7 { |
| interrupts = <0 359 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x93>, <&audma1 0xb6>; |
| dma-names = "rx", "tx"; |
| }; |
| src8: src@8 { |
| interrupts = <0 360 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x95>, <&audma1 0xb8>; |
| dma-names = "rx", "tx"; |
| }; |
| src9: src@9 { |
| interrupts = <0 361 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x97>, <&audma1 0xba>; |
| dma-names = "rx", "tx"; |
| }; |
| }; |
| |
| rcar_sound,ssi { |
| ssi0: ssi@0 { |
| interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x01>, <&audma1 0x02>, <&audma0 0x15>, <&audma1 0x16>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi1: ssi@1 { |
| interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x03>, <&audma1 0x04>, <&audma0 0x49>, <&audma1 0x4a>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi2: ssi@2 { |
| interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x05>, <&audma1 0x06>, <&audma0 0x63>, <&audma1 0x64>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi3: ssi@3 { |
| interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x07>, <&audma1 0x08>, <&audma0 0x6f>, <&audma1 0x70>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi4: ssi@4 { |
| interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x09>, <&audma1 0x0a>, <&audma0 0x71>, <&audma1 0x72>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi5: ssi@5 { |
| interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x0b>, <&audma1 0x0c>, <&audma0 0x73>, <&audma1 0x74>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi6: ssi@6 { |
| interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x0d>, <&audma1 0x0e>, <&audma0 0x75>, <&audma1 0x76>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi7: ssi@7 { |
| interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x0f>, <&audma1 0x10>, <&audma0 0x79>, <&audma1 0x7a>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi8: ssi@8 { |
| interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x11>, <&audma1 0x12>, <&audma0 0x7b>, <&audma1 0x7c>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| ssi9: ssi@9 { |
| interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&audma0 0x13>, <&audma1 0x14>, <&audma0 0x7d>, <&audma1 0x7e>; |
| dma-names = "rx", "tx", "rxu", "txu"; |
| }; |
| }; |
| |
| rcar_sound,dai { |
| dai0 { |
| playback = <&ssi5 &src5>; |
| capture = <&ssi6>; |
| }; |
| dai1 { |
| playback = <&ssi3>; |
| }; |
| dai2 { |
| capture = <&ssi4>; |
| }; |
| dai3 { |
| playback = <&ssi7>; |
| }; |
| dai4 { |
| capture = <&ssi8>; |
| }; |
| }; |
| }; |
| |
| Example: simple sound card |
| |
| rsnd_ak4643: sound { |
| compatible = "simple-audio-card"; |
| |
| simple-audio-card,format = "left_j"; |
| simple-audio-card,bitclock-master = <&sndcodec>; |
| simple-audio-card,frame-master = <&sndcodec>; |
| |
| sndcpu: simple-audio-card,cpu { |
| sound-dai = <&rcar_sound>; |
| }; |
| |
| sndcodec: simple-audio-card,codec { |
| sound-dai = <&ak4643>; |
| clocks = <&audio_clock>; |
| }; |
| }; |
| |
| &rcar_sound { |
| pinctrl-0 = <&sound_pins &sound_clk_pins>; |
| pinctrl-names = "default"; |
| |
| /* Single DAI */ |
| #sound-dai-cells = <0>; |
| |
| status = "okay"; |
| |
| rcar_sound,dai { |
| dai0 { |
| playback = <&ssi0 &src2 &dvc0>; |
| capture = <&ssi1 &src3 &dvc1>; |
| }; |
| }; |
| }; |
| |
| &ssi1 { |
| shared-pin; |
| }; |
| |
| Example: simple sound card for TDM |
| |
| rsnd_tdm: sound { |
| compatible = "simple-audio-card"; |
| |
| simple-audio-card,format = "left_j"; |
| simple-audio-card,bitclock-master = <&sndcodec>; |
| simple-audio-card,frame-master = <&sndcodec>; |
| |
| sndcpu: simple-audio-card,cpu { |
| sound-dai = <&rcar_sound>; |
| dai-tdm-slot-num = <6>; |
| }; |
| |
| sndcodec: simple-audio-card,codec { |
| sound-dai = <&xxx>; |
| }; |
| }; |
| |
| Example: simple sound card for Multi channel |
| |
| &rcar_sound { |
| pinctrl-0 = <&sound_pins &sound_clk_pins>; |
| pinctrl-names = "default"; |
| |
| /* Single DAI */ |
| #sound-dai-cells = <0>; |
| |
| status = "okay"; |
| |
| rcar_sound,dai { |
| dai0 { |
| playback = <&ssi0 &ssi1 &ssi2 &src0 &dvc0>; |
| }; |
| }; |
| }; |
