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8bab0dd580
rcar_sound,ssi/src/dai subnode documentation become more cleaner Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@linaro.org>
106 lines
2.3 KiB
Plaintext
106 lines
2.3 KiB
Plaintext
Renesas R-Car sound
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Required properties:
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- compatible : "renesas,rcar_sound-gen1" if generation1
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"renesas,rcar_sound-gen2" if generation2
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- reg : Should contain the register physical address.
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required register is
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SRU/ADG/SSI if generation1
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SRU/ADG/SSIU/SSI if generation2
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- rcar_sound,ssi : Should contain SSI feature.
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The number of SSI subnode should be same as HW.
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see below for detail.
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- rcar_sound,src : Should contain SRC feature.
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The number of SRC subnode should be same as HW.
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see below for detail.
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- rcar_sound,dai : DAI contents.
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The number of DAI subnode should be same as HW.
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see below for detail.
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SSI subnode properties:
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- interrupts : Should contain SSI interrupt for PIO transfer
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- shared-pin : if shared clock pin
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SRC subnode properties:
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no properties at this point
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DAI subnode properties:
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- playback : list of playback modules
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- capture : list of capture modules
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Example:
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rcar_sound: rcar_sound@0xffd90000 {
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#sound-dai-cells = <1>;
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compatible = "renesas,rcar_sound-gen2";
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reg = <0 0xec500000 0 0x1000>, /* SCU */
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<0 0xec5a0000 0 0x100>, /* ADG */
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<0 0xec540000 0 0x1000>, /* SSIU */
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<0 0xec541000 0 0x1280>; /* SSI */
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rcar_sound,src {
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src0: src@0 { };
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src1: src@1 { };
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src2: src@2 { };
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src3: src@3 { };
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src4: src@4 { };
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src5: src@5 { };
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src6: src@6 { };
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src7: src@7 { };
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src8: src@8 { };
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src9: src@9 { };
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};
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rcar_sound,ssi {
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ssi0: ssi@0 {
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interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi1: ssi@1 {
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interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi2: ssi@2 {
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interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi3: ssi@3 {
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interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi4: ssi@4 {
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interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi5: ssi@5 {
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interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi6: ssi@6 {
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interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi7: ssi@7 {
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interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi8: ssi@8 {
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interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;
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};
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ssi9: ssi@9 {
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interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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rcar_sound,dai {
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dai0 {
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playback = <&ssi5 &src5>;
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capture = <&ssi6>;
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};
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dai1 {
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playback = <&ssi3>;
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};
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dai2 {
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capture = <&ssi4>;
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};
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dai3 {
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playback = <&ssi7>;
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};
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dai4 {
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capture = <&ssi8>;
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};
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};
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};
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