diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2014-03-17 19:29:55 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-21 18:14:56 +0000 |
| commit | 90e8e50fce3585d6f9902701de08389b027dadc6 (patch) | |
| tree | 67971cdae1de6d546e530d05ba3964f553cf9c24 /Documentation/devicetree/bindings/sound | |
| parent | ba9c949f797aa3af56303445812a452144c61c35 (diff) | |
ASoC: rsnd: add DeviceTree support
Support for loading the Renesas R-Car sound driver via DeviceTree.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/renesas,rsnd.txt | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/renesas,rsnd.txt b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt new file mode 100644 index 000000000000..7c6d33f29796 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/renesas,rsnd.txt @@ -0,0 +1,96 @@ +Renesas R-Car sound + +Required properties: +- compatible : "renesas,rcar_sound-gen1" if generation1 + "renesas,rcar_sound-gen2" if generation2 +- reg : Should contain the register physical address. + required register is + SRU/ADG/SSI if generation1 + SRU/ADG/SSIU/SSI if generation2 +- rcar_sound,ssi : SSI subnode +- rcar_sound,scu : SCU subnode +- rcar_sound,dai : DAI subnode + +SSI subnode properties: +- interrupts : Should contain SSI interrupt for PIO transfer +- shared-pin : if shared clock pin + +DAI subnode properties: +- playback : list of playback modules +- capture : list of capture modules + +Example: + +rcar_sound: rcar_sound@0xffd90000 { + #sound-dai-cells = <1>; + compatible = "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 */ + + rcar_sound,src { + src0: src@0 { }; + src1: src@1 { }; + src2: src@2 { }; + src3: src@3 { }; + src4: src@4 { }; + src5: src@5 { }; + src6: src@6 { }; + src7: src@7 { }; + src8: src@8 { }; + src9: src@9 { }; + }; + + rcar_sound,ssi { + ssi0: ssi@0 { + interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi1: ssi@1 { + interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi2: ssi@2 { + interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi3: ssi@3 { + interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi4: ssi@4 { + interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi5: ssi@5 { + interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi6: ssi@6 { + interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi7: ssi@7 { + interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi8: ssi@8 { + interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>; + }; + ssi9: ssi@9 { + interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + rcar_sound,dai { + dai0 { + playback = <&ssi5 &src5>; + capture = <&ssi6>; + }; + dai1 { + playback = <&ssi3>; + }; + dai2 { + capture = <&ssi4>; + }; + dai3 { + playback = <&ssi7>; + }; + dai4 { + capture = <&ssi8>; + }; + }; +}; |