projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 90e8e50f KM |
1 | Renesas R-Car sound |
| 2 | ||
| 3 | Required properties: | |
| 4 | - compatible : "renesas,rcar_sound-gen1" if generation1 | |
| 5 | "renesas,rcar_sound-gen2" if generation2 | |
| 6 | - reg : Should contain the register physical address. | |
| 7 | required register is | |
| 8 | SRU/ADG/SSI if generation1 | |
| 9 | SRU/ADG/SSIU/SSI if generation2 | |
| 8bab0dd5 KM |
10 | - rcar_sound,ssi : Should contain SSI feature. |
| 11 | The number of SSI subnode should be same as HW. | |
| 12 | see below for detail. | |
| 13 | - rcar_sound,src : Should contain SRC feature. | |
| 14 | The number of SRC subnode should be same as HW. | |
| 15 | see below for detail. | |
| 16 | - rcar_sound,dai : DAI contents. | |
| 17 | The number of DAI subnode should be same as HW. | |
| 18 | see below for detail. | |
| 90e8e50f KM |
19 | |
| 20 | SSI subnode properties: | |
| 21 | - interrupts : Should contain SSI interrupt for PIO transfer | |
| 22 | - shared-pin : if shared clock pin | |
| 199e7688 | 23 | - pio-transfer : use PIO transfer mode |
| d9288d0b | 24 | - no-busif : BUSIF is not ussed when [mem -> SSI] via DMA case |
| 90e8e50f | 25 | |
| 8bab0dd5 KM |
26 | SRC subnode properties: |
| 27 | no properties at this point | |
| 28 | ||
| 90e8e50f KM |
29 | DAI subnode properties: |
| 30 | - playback : list of playback modules | |
| 31 | - capture : list of capture modules | |
| 32 | ||
| 33 | Example: | |
| 34 | ||
| 35 | rcar_sound: rcar_sound@0xffd90000 { | |
| 36 | #sound-dai-cells = <1>; | |
| 37 | compatible = "renesas,rcar_sound-gen2"; | |
| 38 | reg = <0 0xec500000 0 0x1000>, /* SCU */ | |
| 39 | <0 0xec5a0000 0 0x100>, /* ADG */ | |
| 40 | <0 0xec540000 0 0x1000>, /* SSIU */ | |
| 41 | <0 0xec541000 0 0x1280>; /* SSI */ | |
| 42 | ||
| 43 | rcar_sound,src { | |
| 44 | src0: src@0 { }; | |
| 45 | src1: src@1 { }; | |
| 46 | src2: src@2 { }; | |
| 47 | src3: src@3 { }; | |
| 48 | src4: src@4 { }; | |
| 49 | src5: src@5 { }; | |
| 50 | src6: src@6 { }; | |
| 51 | src7: src@7 { }; | |
| 52 | src8: src@8 { }; | |
| 53 | src9: src@9 { }; | |
| 54 | }; | |
| 55 | ||
| 56 | rcar_sound,ssi { | |
| 57 | ssi0: ssi@0 { | |
| 58 | interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; | |
| 59 | }; | |
| 60 | ssi1: ssi@1 { | |
| 61 | interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; | |
| 62 | }; | |
| 63 | ssi2: ssi@2 { | |
| 64 | interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; | |
| 65 | }; | |
| 66 | ssi3: ssi@3 { | |
| 67 | interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; | |
| 68 | }; | |
| 69 | ssi4: ssi@4 { | |
| 70 | interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; | |
| 71 | }; | |
| 72 | ssi5: ssi@5 { | |
| 73 | interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; | |
| 74 | }; | |
| 75 | ssi6: ssi@6 { | |
| 76 | interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; | |
| 77 | }; | |
| 78 | ssi7: ssi@7 { | |
| 79 | interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; | |
| 80 | }; | |
| 81 | ssi8: ssi@8 { | |
| 82 | interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; | |
| 83 | }; | |
| 84 | ssi9: ssi@9 { | |
| 85 | interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; | |
| 86 | }; | |
| 87 | }; | |
| 88 | ||
| 89 | rcar_sound,dai { | |
| 90 | dai0 { | |
| 91 | playback = <&ssi5 &src5>; | |
| 92 | capture = <&ssi6>; | |
| 93 | }; | |
| 94 | dai1 { | |
| 95 | playback = <&ssi3>; | |
| 96 | }; | |
| 97 | dai2 { | |
| 98 | capture = <&ssi4>; | |
| 99 | }; | |
| 100 | dai3 { | |
| 101 | playback = <&ssi7>; | |
| 102 | }; | |
| 103 | dai4 { | |
| 104 | capture = <&ssi8>; | |
| 105 | }; | |
| 106 | }; | |
| 107 | }; |