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ASoC: rsnd: explain extended Audio DMAC peri peri address 

If SoC has extended Audio DMAC peri peri address,
DT needs to select it.
Otherwise, it can select normal Audio DMAC peri peri address.
Extended Audio DMAC peri peri address can use BUSIF4-7,
normal address can't.

Reported-by: Jiada Wang <jiada_wang@mentor.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.2
Kuninori Morimoto 2019-03-18 14:11:34 +09:00 committed by Mark Brown
parent 14c747506a
commit c4bce31c49
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Documentation/devicetree/bindings/sound/renesas,rsnd.txt
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@ -283,6 +283,8 @@ Required properties:
required register is
SRU/ADG/SSI if generation1
SRU/ADG/SSIU/SSI/AUDIO-DMAC-periperi if generation2/generation3
Select extended AUDIO-DMAC-periperi address if SoC has it,
otherwise select normal AUDIO-DMAC-periperi address.
- reg-names : Should contain the register names.
scu/adg/ssi if generation1
scu/adg/ssiu/ssi/audmapp if generation2/generation3