Re: [PATCH] arm64: dts: renesas: r8a7796: add SSIU support for sound

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On Wed, Nov 21, 2018 at 11:58:59PM +0000, Kuninori Morimoto wrote:
> 
> Hi Simon
> 
> > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> > > 
> > > rsnd driver supports SSIU now, let's use it.
> > > Then, BUSIF DMA settings on rcar_sound,ssi (= rxu, txu) are
> > > no longer needed.
> > > To avoid git merge timing issue / git bisect issue,
> > > this patch doesn't remove it so far, but will be removed in
> > > the future.
> > > 
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> > > ---
> > >  arch/arm64/boot/dts/renesas/r8a7796.dtsi | 211 +++++++++++++++++++++++++++++++
> > >  1 file changed, 211 insertions(+)
> > > 
> > > diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> > > index 449eb33..5cc9b8b 100644
> > > --- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> > > +++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
> > > @@ -1826,6 +1826,217 @@
> > >  				};
> > >  			};
> > >  
> > > +			rcar_sound,ssiu {
> > > +				ssiu00: ssiu-0 {
> > > +					dmas = <&audma0 0x15>, <&audma1 0x16>;
> > > +					dma-names = "rx", "tx";
> > > +				};
> > 
> > Hi Morimoto-san,
> > 
> > I am having a little trouble finding documentation of the audma port
> > numbers used in this patch.
> 
> ?? Sorry what do you mean ?
> You can find it on
> 
> 	Table 48.5 Selecting On-Chip Peripheral Module Request Modes

Thanks, that is the information that I was looking fore.

I have gone ahead and applied this patch for v4.21.



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